/* roulang page: index */
:root {
            --ds-primary: #1f3d36;
            --ds-primary-deep: #152a25;
            --ds-primary-soft: #2c554b;
            --ds-accent: #e0a458;
            --ds-accent-warm: #f2c078;
            --ds-accent-deep: #c98a3d;
            --ds-bg: #f7f3ec;
            --ds-bg-warm: #f1ebdf;
            --ds-text: #22262a;
            --ds-text-soft: #5a605e;
            --ds-text-light: #f5f1ea;
            --ds-text-muted: #a8aaa8;
            --ds-border: rgba(31, 61, 54, 0.14);
            --ds-border-light: rgba(255, 255, 255, 0.18);
            --ds-radius: 8px;
            --ds-radius-lg: 14px;
            --ds-radius-sm: 5px;
            --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
            --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
            --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
            --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --ds-container: 1200px;
            --ds-section-pad: 80px;
            --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ds-font-title);
            background-color: var(--ds-bg);
            color: var(--ds-text);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--ds-transition), opacity var(--ds-transition);
        }

        a:hover,
        a:focus {
            color: var(--ds-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--ds-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .ds-container {
            max-width: var(--ds-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .ds-section {
            padding: var(--ds-section-pad) 0;
            position: relative;
        }

        .ds-section--warm {
            background-color: var(--ds-bg-warm);
        }
        .ds-section--dark {
            background-color: var(--ds-primary);
            color: var(--ds-text-light);
        }
        .ds-section--soft {
            background-color: #faf7f1;
        }

        .ds-section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--ds-accent-deep);
            margin-bottom: 10px;
            position: relative;
            padding-left: 18px;
        }
        .ds-section__label::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-accent);
            box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
        }

        .ds-section__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--ds-primary);
        }
        .ds-section--dark .ds-section__title {
            color: var(--ds-text-light);
        }

        .ds-section__desc {
            font-size: 16px;
            color: var(--ds-text-soft);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 22px;
        }
        .ds-section--dark .ds-section__desc {
            color: rgba(245, 241, 234, 0.78);
        }

        .ds-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--ds-radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--ds-transition);
            text-align: center;
            white-space: nowrap;
            line-height: 1.4;
        }
        .ds-btn--primary {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
        }
        .ds-btn--primary:hover {
            background: #edb366;
            border-color: #edb366;
            color: var(--ds-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
        }
        .ds-btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
        }
        .ds-btn--outline {
            background: transparent;
            color: var(--ds-primary);
            border-color: rgba(31, 61, 54, 0.35);
        }
        .ds-btn--outline:hover {
            border-color: var(--ds-accent);
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.08);
            transform: translateY(-2px);
        }
        .ds-btn--light {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(6px);
        }
        .ds-btn--light:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.75);
            color: #fff;
            transform: translateY(-2px);
        }
        .ds-btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 4px;
        }
        .ds-btn--lg {
            padding: 15px 34px;
            font-size: 16px;
            border-radius: 7px;
        }

        .ds-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            border-radius: 20px;
            background: rgba(224, 164, 88, 0.18);
            color: var(--ds-accent-deep);
            line-height: 1.5;
            white-space: nowrap;
        }
        .ds-badge--dot {
            gap: 7px;
        }
        .ds-badge--dot::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ds-accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        .ds-badge--light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .ds-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            border-radius: 4px;
            background: rgba(31, 61, 54, 0.08);
            color: var(--ds-primary-soft);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .ds-tag--accent {
            background: rgba(224, 164, 88, 0.2);
            color: var(--ds-accent-deep);
        }

        /* Header / Navigation */
        .ds-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(21, 42, 37, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: auto;
            min-height: 70px;
        }
        .ds-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 70px;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .ds-logo__mark {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--ds-accent) 0%, #f2c078 60%, #d49a4a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 12px rgba(224, 164, 88, 0.45);
            position: relative;
            overflow: hidden;
        }
        .ds-logo__mark::before {
            content: "↑";
            font-size: 20px;
            font-weight: 800;
            color: var(--ds-primary-deep);
            line-height: 1;
            margin-top: -2px;
        }
        .ds-logo__text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.04em;
            color: #fff;
            line-height: 1.2;
        }
        .ds-logo__text small {
            display: block;
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.22em;
            color: var(--ds-accent-warm);
            text-transform: uppercase;
        }

        .ds-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .ds-nav__link {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.82);
            border-radius: 5px;
            letter-spacing: 0.04em;
            position: relative;
            white-space: nowrap;
            transition: all var(--ds-transition);
        }
        .ds-nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .ds-nav__link--active {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.16);
        }
        .ds-nav__link--active::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--ds-accent);
            border-radius: 2px;
        }

        .ds-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .ds-countdown {
            display: flex;
            align-items: center;
            gap: 5px;
            font-family: var(--ds-font-num);
            font-size: 13px;
            font-weight: 700;
            color: var(--ds-accent-warm);
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .ds-countdown__num {
            font-size: 15px;
        }

        .ds-hamburger {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 6px;
            transition: background var(--ds-transition);
        }
        .ds-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .ds-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--ds-transition);
        }

        /* Mobile nav */
        .ds-mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(21, 42, 37, 0.99);
            z-index: 998;
            padding: 30px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            backdrop-filter: blur(16px);
        }
        .ds-mobile-nav.is-open {
            display: flex;
        }
        .ds-mobile-nav__link {
            font-size: 18px;
            font-weight: 600;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.85);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            transition: all var(--ds-transition);
        }
        .ds-mobile-nav__link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .ds-mobile-nav__link--active {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.14);
        }
        .ds-mobile-nav__cta {
            margin-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        /* Hero */
        .ds-hero {
            background: linear-gradient(158deg, #152a25 0%, #1f3d36 45%, #2c554b 100%);
            color: #fff;
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .ds-hero::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .ds-hero::after {
            content: "";
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 192, 120, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .ds-hero__inner {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .ds-hero__content {
            padding-right: 10px;
        }
        .ds-hero__badge-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .ds-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: 0.025em;
            margin-bottom: 18px;
            color: #fff;
        }
        .ds-hero h1 em {
            font-style: normal;
            color: var(--ds-accent-warm);
            background: linear-gradient(135deg, #f2c078, #e0a458);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ds-hero__desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(245, 241, 234, 0.82);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .ds-hero__cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .ds-hero__metrics {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .ds-hero__metric {
            text-align: left;
        }
        .ds-hero__metric-num {
            font-family: var(--ds-font-num);
            font-size: 28px;
            font-weight: 800;
            color: var(--ds-accent-warm);
            line-height: 1.2;
            letter-spacing: 0.03em;
        }
        .ds-hero__metric-label {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            letter-spacing: 0.06em;
        }
        .ds-hero__visual {
            position: relative;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
            aspect-ratio: 4 / 3;
            max-height: 480px;
        }
        .ds-hero__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .ds-hero__visual:hover img {
            transform: scale(1.04);
        }
        .ds-hero__visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(21, 42, 37, 0.7) 0%, transparent 50%);
            pointer-events: none;
        }
        .ds-hero__visual-cap {
            position: absolute;
            bottom: 22px;
            left: 24px;
            right: 24px;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .ds-hero__visual-cap small {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* Service section */
        .ds-services__grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 38px;
            align-items: start;
        }
        .ds-services__lead p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--ds-text-soft);
            margin-bottom: 18px;
        }
        .ds-services__lead .ds-section__title {
            margin-bottom: 16px;
        }
        .ds-services__cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .ds-service-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius);
            padding: 22px 24px;
            transition: all var(--ds-transition);
            cursor: default;
            box-shadow: var(--ds-shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ds-service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
            border-color: var(--ds-accent);
        }
        .ds-service-card__icon {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: rgba(224, 164, 88, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            color: var(--ds-accent-deep);
        }
        .ds-service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ds-primary);
            letter-spacing: 0.02em;
            margin: 0;
        }
        .ds-service-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--ds-text-soft);
            margin: 0;
        }

        /* Stats section */
        .ds-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .ds-stat {
            text-align: center;
            padding: 22px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--ds-radius);
            transition: all var(--ds-transition);
        }
        .ds-stat:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(224, 164, 88, 0.4);
        }
        .ds-stat__num {
            font-family: var(--ds-font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--ds-accent-warm);
            line-height: 1.15;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .ds-stat__label {
            font-size: 14px;
            color: rgba(245, 241, 234, 0.7);
            letter-spacing: 0.06em;
        }

        /* Case section */
        .ds-cases__grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr 0.9fr;
            grid-auto-rows: 210px;
            gap: 18px;
        }
        .ds-case-card {
            position: relative;
            border-radius: var(--ds-radius);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--ds-transition);
            box-shadow: var(--ds-shadow-sm);
            min-height: 210px;
        }
        .ds-case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .ds-case-card:hover img {
            transform: scale(1.05);
        }
        .ds-case-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(21, 42, 37, 0.85) 0%, rgba(21, 42, 37, 0.2) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 18px;
            color: #fff;
        }
        .ds-case-card__tag {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            background: rgba(224, 164, 88, 0.85);
            color: var(--ds-primary-deep);
            padding: 3px 9px;
            border-radius: 3px;
            align-self: flex-start;
            margin-bottom: 8px;
        }
        .ds-case-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
            letter-spacing: 0.03em;
        }
        .ds-case-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            line-height: 1.5;
        }
        .ds-case-card--large {
            grid-row: span 2;
        }

        /* Solution / steps */
        .ds-solution__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .ds-solution-step {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 26px 24px;
            position: relative;
            transition: all var(--ds-transition);
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-solution-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
            border-color: var(--ds-accent);
        }
        .ds-solution-step__num {
            font-family: var(--ds-font-num);
            font-size: 48px;
            font-weight: 800;
            color: rgba(224, 164, 88, 0.22);
            line-height: 1;
            position: absolute;
            top: -10px;
            right: 18px;
            letter-spacing: 0.02em;
        }
        .ds-solution-step h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ds-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .ds-solution-step p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--ds-text-soft);
            margin-bottom: 12px;
        }
        .ds-solution-step ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-solution-step ul li {
            font-size: 13px;
            color: var(--ds-text-soft);
            padding-left: 18px;
            position: relative;
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .ds-solution-step ul li::before {
            content: "›";
            position: absolute;
            left: 0;
            top: -1px;
            color: var(--ds-accent);
            font-weight: 700;
            font-size: 16px;
        }

        /* Brand intro */
        .ds-brand {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 44px;
            align-items: center;
        }
        .ds-brand__visual {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .ds-brand__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .ds-brand__text h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--ds-primary);
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .ds-brand__text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--ds-text-soft);
            margin-bottom: 14px;
        }

        /* News */
        .ds-news__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .ds-news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .ds-news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius);
            transition: all var(--ds-transition);
            cursor: pointer;
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-news-item:hover {
            transform: translateX(4px);
            border-color: var(--ds-accent);
            box-shadow: var(--ds-shadow);
        }
        .ds-news-item__date {
            font-family: var(--ds-font-num);
            font-size: 12px;
            font-weight: 700;
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.14);
            padding: 5px 10px;
            border-radius: 4px;
            white-space: nowrap;
            align-self: flex-start;
            letter-spacing: 0.04em;
        }
        .ds-news-item__body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ds-primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }
        .ds-news-item__body p {
            font-size: 13px;
            color: var(--ds-text-soft);
            line-height: 1.65;
            margin-bottom: 6px;
        }
        .ds-news-item__more {
            font-size: 13px;
            font-weight: 600;
            color: var(--ds-accent-deep);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--ds-transition);
        }
        .ds-news-item__more i {
            transition: transform var(--ds-transition);
        }
        .ds-news-item:hover .ds-news-item__more i {
            transform: translateX(4px);
        }

        .ds-news-featured {
            background: linear-gradient(145deg, var(--ds-primary) 0%, var(--ds-primary-soft) 100%);
            border-radius: var(--ds-radius-lg);
            padding: 30px 28px;
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-news-featured h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .ds-news-featured p {
            font-size: 14px;
            color: rgba(245, 241, 234, 0.78);
            line-height: 1.75;
        }
        .ds-news-featured__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }

        /* FAQ */
        .ds-faq {
            max-width: 860px;
            margin: 0 auto;
        }
        .ds-faq__item {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--ds-transition);
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-faq__item.is-open {
            border-color: var(--ds-accent);
            box-shadow: var(--ds-shadow);
            background: #fffdfa;
        }
        .ds-faq__btn {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--ds-primary);
            transition: all var(--ds-transition);
            letter-spacing: 0.02em;
        }
        .ds-faq__btn:hover {
            color: var(--ds-accent-deep);
        }
        .ds-faq__btn:focus-visible {
            outline: 2px solid var(--ds-accent);
            outline-offset: -2px;
        }
        .ds-faq__btn .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(224, 164, 88, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--ds-accent-deep);
            transition: all var(--ds-transition);
            line-height: 1;
        }
        .ds-faq__item.is-open .ds-faq__btn .icon {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            transform: rotate(180deg);
        }
        .ds-faq__content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--ds-text-soft);
            font-size: 14px;
            line-height: 1.85;
        }
        .ds-faq__item.is-open .ds-faq__content {
            max-height: 400px;
            padding: 0 20px 20px;
        }

        /* CTA / Contact */
        .ds-contact__grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: start;
        }
        .ds-contact__info h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .ds-contact__info p {
            font-size: 15px;
            color: rgba(245, 241, 234, 0.75);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .ds-contact__list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ds-contact__list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(245, 241, 234, 0.85);
        }
        .ds-contact__list i {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(224, 164, 88, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ds-accent-warm);
            font-size: 14px;
            flex-shrink: 0;
        }
        .ds-contact__form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--ds-radius-lg);
            padding: 30px;
            backdrop-filter: blur(10px);
        }
        .ds-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .ds-form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .ds-form-group label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(245, 241, 234, 0.8);
            letter-spacing: 0.05em;
        }
        .ds-form-group input,
        .ds-form-group textarea {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 5px;
            padding: 12px 14px;
            color: #fff;
            font-size: 14px;
            transition: all var(--ds-transition);
            width: 100%;
            letter-spacing: 0.03em;
        }
        .ds-form-group input:focus,
        .ds-form-group textarea:focus {
            outline: none;
            border-color: var(--ds-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
        }
        .ds-form-group input::placeholder,
        .ds-form-group textarea::placeholder {
            color: rgba(245, 241, 234, 0.4);
        }
        .ds-form-group textarea {
            resize: vertical;
            min-height: 110px;
        }

        /* Footer */
        .ds-footer {
            background: #0f1e1a;
            color: rgba(245, 241, 234, 0.65);
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ds-footer__grid {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr 1fr 1.1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .ds-footer__brand .ds-logo__text {
            font-size: 20px;
        }
        .ds-footer__brand .ds-logo__mark {
            width: 34px;
            height: 34px;
        }
        .ds-footer__brand .ds-logo__mark::before {
            font-size: 17px;
        }
        .ds-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            margin-top: 14px;
            color: rgba(245, 241, 234, 0.5);
        }
        .ds-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .ds-footer__links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .ds-footer__links a {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.55);
            transition: all var(--ds-transition);
        }
        .ds-footer__links a:hover {
            color: var(--ds-accent-warm);
            padding-left: 3px;
        }
        .ds-footer__contact p {
            font-size: 13px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(245, 241, 234, 0.55);
        }
        .ds-footer__bottom {
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.4);
        }
        .ds-footer__bottom a {
            color: rgba(245, 241, 234, 0.5);
            margin: 0 4px;
        }
        .ds-footer__bottom a:hover {
            color: var(--ds-accent-warm);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --ds-section-pad: 56px;
            }
            .ds-hero__inner {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: left;
            }
            .ds-hero h1 {
                font-size: 36px;
            }
            .ds-hero__visual {
                max-height: 360px;
            }
            .ds-services__grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ds-cases__grid {
                grid-template-columns: 1fr 1fr;
                grid-auto-rows: 190px;
            }
            .ds-case-card--large {
                grid-column: span 2;
                grid-row: span 1;
            }
            .ds-brand {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ds-news__grid {
                grid-template-columns: 1fr;
            }
            .ds-contact__grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --ds-section-pad: 44px;
            }
            .ds-nav {
                display: none;
            }
            .ds-hamburger {
                display: flex;
            }
            .ds-countdown {
                display: none;
            }
            .ds-header__actions .ds-btn {
                display: none;
            }
            .ds-hero {
                padding: 50px 0 44px;
                min-height: auto;
            }
            .ds-hero h1 {
                font-size: 29px;
            }
            .ds-hero__desc {
                font-size: 15px;
            }
            .ds-hero__cta {
                flex-direction: column;
                gap: 10px;
            }
            .ds-hero__metrics {
                gap: 18px;
            }
            .ds-hero__metric-num {
                font-size: 22px;
            }
            .ds-hero__visual {
                aspect-ratio: 16/10;
                max-height: 280px;
            }
            .ds-services__cards {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ds-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .ds-stat__num {
                font-size: 30px;
            }
            .ds-cases__grid {
                grid-template-columns: 1fr;
                grid-auto-rows: 220px;
                gap: 14px;
            }
            .ds-case-card--large {
                grid-column: span 1;
            }
            .ds-solution__grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ds-form-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .ds-footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .ds-section__title {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --ds-section-pad: 36px;
            }
            .ds-container {
                padding: 0 16px;
            }
            .ds-hero h1 {
                font-size: 25px;
            }
            .ds-hero__desc {
                font-size: 14px;
            }
            .ds-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .ds-stat__num {
                font-size: 26px;
            }
            .ds-stat__label {
                font-size: 12px;
            }
            .ds-news-item {
                flex-direction: column;
                gap: 8px;
                padding: 14px;
            }
            .ds-contact__form {
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --ds-primary: #1f3d36;
            --ds-primary-deep: #152a25;
            --ds-primary-soft: #2c554b;
            --ds-accent: #e0a458;
            --ds-accent-warm: #f2c078;
            --ds-accent-deep: #c98a3d;
            --ds-bg: #f7f3ec;
            --ds-bg-warm: #f1ebdf;
            --ds-text: #22262a;
            --ds-text-soft: #5a605e;
            --ds-text-light: #f5f1ea;
            --ds-text-muted: #a8aaa8;
            --ds-border: rgba(31, 61, 54, 0.14);
            --ds-border-light: rgba(255, 255, 255, 0.18);
            --ds-radius: 8px;
            --ds-radius-lg: 14px;
            --ds-radius-sm: 5px;
            --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
            --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
            --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
            --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --ds-container: 1200px;
            --ds-section-pad: 80px;
            --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ds-font-title);
            background-color: var(--ds-bg);
            color: var(--ds-text);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--ds-transition), opacity var(--ds-transition);
        }
        a:hover,
        a:focus {
            color: var(--ds-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--ds-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--ds-font-title);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--ds-primary);
            line-height: 1.3;
            margin: 0 0 0.5em;
        }

        .ds-container {
            max-width: var(--ds-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .ds-section {
            padding: var(--ds-section-pad) 0;
            position: relative;
        }
        .ds-section--warm {
            background-color: var(--ds-bg-warm);
        }
        .ds-section--dark {
            background-color: var(--ds-primary);
            color: var(--ds-text-light);
        }
        .ds-section--soft {
            background-color: #faf7f1;
        }

        .ds-section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--ds-accent-deep);
            margin-bottom: 10px;
            position: relative;
            padding-left: 18px;
        }
        .ds-section__label::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-accent);
            box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
        }

        .ds-section__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--ds-primary);
        }
        .ds-section--dark .ds-section__title {
            color: var(--ds-text-light);
        }

        .ds-section__desc {
            font-size: 16px;
            color: var(--ds-text-soft);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 22px;
        }
        .ds-section--dark .ds-section__desc {
            color: rgba(245, 241, 234, 0.78);
        }

        .ds-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--ds-radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--ds-transition);
            text-align: center;
            white-space: nowrap;
            line-height: 1.4;
        }
        .ds-btn--primary {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
        }
        .ds-btn--primary:hover {
            background: #edb366;
            border-color: #edb366;
            color: var(--ds-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
        }
        .ds-btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
        }
        .ds-btn--outline {
            background: transparent;
            color: var(--ds-primary);
            border-color: rgba(31, 61, 54, 0.35);
        }
        .ds-btn--outline:hover {
            border-color: var(--ds-accent);
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.08);
            transform: translateY(-2px);
        }
        .ds-btn--light {
            background: rgba(255, 255, 255, 0.12);
            color: var(--ds-text-light);
            border-color: rgba(255, 255, 255, 0.35);
        }
        .ds-btn--light:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: var(--ds-accent-warm);
            color: var(--ds-accent-warm);
            transform: translateY(-2px);
        }

        .ds-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            border-radius: 20px;
            background: rgba(224, 164, 88, 0.14);
            color: var(--ds-accent-deep);
            border: 1px solid rgba(224, 164, 88, 0.25);
        }
        .ds-badge--pulse {
            position: relative;
        }
        .ds-badge--pulse::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #e05252;
            animation: pulse 1.8s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.45; transform: scale(0.8); }
        }

        /* Header / Nav */
        .ds-header {
            background: var(--ds-primary-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .ds-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .ds-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--ds-text-light);
            flex-shrink: 0;
        }
        .ds-logo__mark {
            display: inline-block;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--ds-accent) 0%, var(--ds-accent-deep) 55%, #a86e2d 100%);
            position: relative;
            box-shadow: 0 4px 12px rgba(224, 164, 88, 0.3);
        }
        .ds-logo__mark::after {
            content: "";
            position: absolute;
            bottom: 7px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 4px;
            background: var(--ds-primary-deep);
            border-radius: 2px;
            box-shadow: 0 -5px 0 rgba(21, 42, 37, 0.6), 0 5px 0 rgba(21, 42, 37, 0.6);
        }
        .ds-logo__text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.06em;
            line-height: 1.2;
            color: var(--ds-text-light);
            display: flex;
            flex-direction: column;
        }
        .ds-logo__text small {
            font-size: 10px;
            font-weight: 400;
            letter-spacing: 0.28em;
            text-transform: uppercase;
            color: var(--ds-accent-warm);
        }
        .ds-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .ds-nav__link {
            display: inline-block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(245, 241, 234, 0.82);
            border-radius: 6px;
            transition: all var(--ds-transition);
            position: relative;
            white-space: nowrap;
        }
        .ds-nav__link:hover {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.08);
        }
        .ds-nav__link--active {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.14);
        }
        .ds-nav__link--active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--ds-accent);
            border-radius: 2px;
        }
        .ds-header__cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .ds-header__countdown {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-family: var(--ds-font-num);
            font-size: 12px;
            font-weight: 600;
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.1);
            padding: 6px 10px;
            border-radius: 16px;
            border: 1px solid rgba(224, 164, 88, 0.25);
            letter-spacing: 0.04em;
        }
        .ds-header__toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--ds-text-light);
            font-size: 22px;
            padding: 6px 12px;
            border-radius: 6px;
            cursor: pointer;
        }

        /* Breadcrumb */
        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(245, 241, 234, 0.65);
            margin-bottom: 18px;
        }
        .ds-breadcrumb a {
            color: var(--ds-accent-warm);
        }
        .ds-breadcrumb a:hover {
            color: #ffd699;
        }
        .ds-breadcrumb i {
            font-size: 10px;
            opacity: 0.6;
        }

        /* Hero Compact */
        .ds-hero-compact {
            background: linear-gradient(155deg, var(--ds-primary-deep) 0%, var(--ds-primary) 52%, var(--ds-primary-soft) 100%);
            color: var(--ds-text-light);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ds-hero-compact::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.22) 0%, transparent 68%);
            pointer-events: none;
        }
        .ds-hero-compact::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 192, 120, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .ds-hero-compact__content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .ds-hero-compact h1 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--ds-text-light);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .ds-hero-compact h1 span {
            color: var(--ds-accent-warm);
        }
        .ds-hero-compact p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.8);
            max-width: 680px;
            margin-bottom: 0;
        }

        /* Alternating list */
        .ds-alt-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .ds-alt-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #ffffff;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-sm);
            transition: all var(--ds-transition);
        }
        .ds-alt-item:hover {
            box-shadow: var(--ds-shadow);
            border-color: rgba(224, 164, 88, 0.3);
            transform: translateY(-2px);
        }
        .ds-alt-item__media {
            position: relative;
            overflow: hidden;
            min-height: 260px;
            height: 100%;
        }
        .ds-alt-item__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .ds-alt-item__media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31, 61, 54, 0) 55%, rgba(31, 61, 54, 0.25) 100%);
            pointer-events: none;
        }
        .ds-alt-item--reverse .ds-alt-item__media {
            order: 2;
        }
        .ds-alt-item--reverse .ds-alt-item__body {
            order: 1;
        }
        .ds-alt-item__body {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ds-alt-item__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .ds-alt-item__date {
            font-family: var(--ds-font-num);
            font-size: 13px;
            color: var(--ds-text-soft);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .ds-alt-item__date i {
            color: var(--ds-accent);
        }
        .ds-alt-item__title {
            font-size: 21px;
            font-weight: 700;
            color: var(--ds-primary);
            letter-spacing: 0.01em;
            line-height: 1.4;
            margin: 0;
        }
        .ds-alt-item__title a:hover {
            color: var(--ds-accent-deep);
        }
        .ds-alt-item__excerpt {
            font-size: 15px;
            color: var(--ds-text-soft);
            line-height: 1.8;
            margin: 0;
        }
        .ds-alt-item__more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ds-accent-deep);
            margin-top: 4px;
            transition: gap var(--ds-transition);
        }
        .ds-alt-item__more:hover {
            gap: 10px;
            color: var(--ds-accent-deep);
        }
        .ds-alt-item__more i {
            font-size: 12px;
        }

        /* Tags row */
        .ds-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ds-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.04em;
            border-radius: 4px;
            background: var(--ds-bg-warm);
            color: var(--ds-primary-soft);
            border: 1px solid var(--ds-border);
        }

        /* Stats band */
        .ds-stats-band {
            background: var(--ds-primary);
            color: var(--ds-text-light);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .ds-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .ds-stat {
            padding: 20px 10px;
        }
        .ds-stat__num {
            font-family: var(--ds-font-num);
            font-size: 38px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--ds-accent-warm);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .ds-stat__label {
            font-size: 14px;
            color: rgba(245, 241, 234, 0.72);
            letter-spacing: 0.05em;
        }

        /* Pagination */
        .ds-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .ds-pagination a,
        .ds-pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 6px;
            border: 1px solid var(--ds-border);
            background: #fff;
            color: var(--ds-primary);
            transition: all var(--ds-transition);
        }
        .ds-pagination a:hover {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
        }
        .ds-pagination .ds-pagination__current {
            background: var(--ds-primary);
            color: var(--ds-text-light);
            border-color: var(--ds-primary);
        }

        /* FAQ */
        .ds-faq {
            max-width: 820px;
            margin: 0 auto;
        }
        .ds-faq__item {
            background: #ffffff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--ds-transition);
        }
        .ds-faq__item:hover {
            border-color: rgba(224, 164, 88, 0.3);
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-faq__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ds-primary);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: background var(--ds-transition);
        }
        .ds-faq__question:hover {
            background: var(--ds-bg-warm);
        }
        .ds-faq__question .ds-faq__icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(224, 164, 88, 0.14);
            color: var(--ds-accent-deep);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--ds-transition);
        }
        .ds-faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .ds-faq__answer-inner {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--ds-text-soft);
            line-height: 1.85;
            border-top: 1px solid var(--ds-border);
            padding-top: 14px;
        }
        .ds-faq__item--open .ds-faq__answer {
            max-height: 400px;
        }
        .ds-faq__item--open .ds-faq__icon {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            transform: rotate(45deg);
        }

        /* CTA */
        .ds-cta-section {
            background: linear-gradient(140deg, var(--ds-primary-deep) 0%, var(--ds-primary) 60%, #244e42 100%);
            color: var(--ds-text-light);
            border-radius: var(--ds-radius-lg);
            padding: 44px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.25) 0%, transparent 65%);
        }
        .ds-cta-section h3 {
            color: var(--ds-text-light);
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
        }
        .ds-cta-section p {
            color: rgba(245, 241, 234, 0.78);
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
            max-width: 600px;
        }
        .ds-cta-section .ds-btn {
            position: relative;
        }

        /* Footer */
        .ds-footer {
            background: var(--ds-primary-deep);
            color: rgba(245, 241, 234, 0.78);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ds-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .ds-footer__brand .ds-logo {
            margin-bottom: 14px;
        }
        .ds-footer__brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.6);
            max-width: 300px;
        }
        .ds-footer__col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ds-accent-warm);
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }
        .ds-footer__col a {
            display: block;
            font-size: 14px;
            color: rgba(245, 241, 234, 0.65);
            margin-bottom: 8px;
            transition: color var(--ds-transition);
        }
        .ds-footer__col a:hover {
            color: var(--ds-accent-warm);
        }
        .ds-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(245, 241, 234, 0.5);
        }
        .ds-footer__bottom a {
            color: rgba(245, 241, 234, 0.6);
        }
        .ds-footer__bottom a:hover {
            color: var(--ds-accent-warm);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --ds-section-pad: 56px;
            }
            .ds-section__title {
                font-size: 28px;
            }
            .ds-hero-compact h1 {
                font-size: 28px;
            }
            .ds-alt-item {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .ds-alt-item--reverse .ds-alt-item__media {
                order: 1;
            }
            .ds-alt-item--reverse .ds-alt-item__body {
                order: 2;
            }
            .ds-alt-item__media {
                min-height: 200px;
            }
            .ds-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --ds-section-pad: 44px;
            }
            .ds-header__toggle {
                display: inline-block;
            }
            .ds-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--ds-primary-deep);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--ds-shadow-lg);
            }
            .ds-nav--open {
                display: flex;
            }
            .ds-nav__link {
                display: block;
                padding: 14px 16px;
                font-size: 16px;
                border-radius: 8px;
            }
            .ds-nav__link--active::after {
                display: none;
            }
            .ds-header__countdown {
                display: none;
            }
            .ds-hero-compact {
                padding: 36px 0 32px;
            }
            .ds-hero-compact h1 {
                font-size: 24px;
            }
            .ds-alt-item__body {
                padding: 20px 18px;
            }
            .ds-alt-item__title {
                font-size: 18px;
            }
            .ds-stat__num {
                font-size: 28px;
            }
            .ds-cta-section {
                padding: 30px 22px;
            }
            .ds-cta-section h3 {
                font-size: 22px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ds-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            :root {
                --ds-section-pad: 36px;
            }
            .ds-container {
                padding: 0 16px;
            }
            .ds-section__title {
                font-size: 24px;
            }
            .ds-hero-compact h1 {
                font-size: 21px;
            }
            .ds-alt-item__media {
                min-height: 160px;
            }
            .ds-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .ds-stat__num {
                font-size: 24px;
            }
            .ds-logo__text {
                font-size: 17px;
            }
            .ds-logo__mark {
                width: 30px;
                height: 30px;
            }
        }

/* roulang page: category2 */
:root {
            --ds-primary: #1f3d36;
            --ds-primary-deep: #152a25;
            --ds-primary-soft: #2c554b;
            --ds-accent: #e0a458;
            --ds-accent-warm: #f2c078;
            --ds-accent-deep: #c98a3d;
            --ds-bg: #f7f3ec;
            --ds-bg-warm: #f1ebdf;
            --ds-text: #22262a;
            --ds-text-soft: #5a605e;
            --ds-text-light: #f5f1ea;
            --ds-text-muted: #a8aaa8;
            --ds-border: rgba(31, 61, 54, 0.14);
            --ds-border-light: rgba(255, 255, 255, 0.18);
            --ds-radius: 8px;
            --ds-radius-lg: 14px;
            --ds-radius-sm: 5px;
            --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
            --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
            --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
            --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --ds-container: 1200px;
            --ds-section-pad: 80px;
            --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
        }

        @media (max-width: 1024px) {
            :root { --ds-section-pad: 56px; }
        }
        @media (max-width: 768px) {
            :root { --ds-section-pad: 44px; }
        }
        @media (max-width: 520px) {
            :root { --ds-section-pad: 36px; }
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--ds-font-title);
            background-color: var(--ds-bg);
            color: var(--ds-text);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--ds-transition), opacity var(--ds-transition);
        }
        a:hover, a:focus {
            color: var(--ds-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--ds-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }

        .ds-container {
            max-width: var(--ds-container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .ds-section {
            padding: var(--ds-section-pad) 0;
            position: relative;
        }
        .ds-section--warm {
            background-color: var(--ds-bg-warm);
        }
        .ds-section--dark {
            background-color: var(--ds-primary);
            color: var(--ds-text-light);
        }
        .ds-section--soft {
            background-color: #faf7f1;
        }
        .ds-section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--ds-accent-deep);
            margin-bottom: 10px;
            position: relative;
            padding-left: 18px;
        }
        .ds-section__label::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-accent);
            box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
        }
        .ds-section__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--ds-primary);
        }
        .ds-section--dark .ds-section__title {
            color: var(--ds-text-light);
        }
        .ds-section__desc {
            font-size: 16px;
            color: var(--ds-text-soft);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 22px;
        }
        .ds-section--dark .ds-section__desc {
            color: rgba(245, 241, 234, 0.78);
        }

        .ds-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--ds-radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--ds-transition);
            text-align: center;
            white-space: nowrap;
            line-height: 1.4;
        }
        .ds-btn--primary {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
        }
        .ds-btn--primary:hover {
            background: #edb366;
            border-color: #edb366;
            color: var(--ds-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
        }
        .ds-btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
        }
        .ds-btn--outline {
            background: transparent;
            color: var(--ds-primary);
            border-color: rgba(31, 61, 54, 0.35);
        }
        .ds-btn--outline:hover {
            border-color: var(--ds-accent);
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.08);
            transform: translateY(-2px);
        }
        .ds-btn--light {
            background: rgba(255, 255, 255, 0.15);
            color: var(--ds-text-light);
            border-color: rgba(255, 255, 255, 0.35);
        }
        .ds-btn--light:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
            transform: translateY(-2px);
        }

        .ds-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(224, 164, 88, 0.18);
            color: var(--ds-accent-deep);
            letter-spacing: 0.05em;
        }
        .ds-badge--light {
            background: rgba(255, 255, 255, 0.18);
            color: var(--ds-text-light);
        }
        .ds-badge__dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ds-accent);
            animation: ds-pulse 2s infinite;
        }
        @keyframes ds-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Header */
        .ds-header {
            background: var(--ds-primary-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }
        .ds-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ds-text-light);
            flex-shrink: 0;
        }
        .ds-logo__mark {
            display: inline-block;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--ds-accent) 0%, var(--ds-accent-deep) 100%);
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .ds-logo__mark::after {
            content: "";
            position: absolute;
            width: 18px;
            height: 18px;
            background: var(--ds-primary-deep);
            border-radius: 50%;
            bottom: -5px;
            right: -5px;
            opacity: 0.6;
        }
        .ds-logo__mark::before {
            content: "";
            position: absolute;
            width: 8px;
            height: 16px;
            background: #fff;
            border-radius: 4px;
            left: 8px;
            top: 6px;
            transform: rotate(45deg);
            opacity: 0.85;
        }
        .ds-logo__text {
            display: flex;
            flex-direction: column;
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.06em;
            line-height: 1.15;
            color: #fff;
        }
        .ds-logo__text small {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.16em;
            color: var(--ds-accent-warm);
            text-transform: uppercase;
        }
        .ds-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .ds-nav__link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(245, 241, 234, 0.8);
            border-radius: 4px;
            position: relative;
            transition: color var(--ds-transition), background var(--ds-transition);
        }
        .ds-nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .ds-nav__link--active {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.12);
        }
        .ds-nav__link--active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--ds-accent);
            border-radius: 1px;
        }
        .ds-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .ds-header__cta {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            padding: 9px 18px;
            border-radius: var(--ds-radius-sm);
            font-size: 13px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--ds-transition);
            white-space: nowrap;
        }
        .ds-header__cta:hover {
            background: #edb366;
            color: var(--ds-primary-deep);
            transform: translateY(-1px);
        }
        .ds-header__badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 600;
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.12);
            padding: 5px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .ds-hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: #fff;
            font-size: 22px;
            line-height: 1;
        }

        /* Hero */
        .ds-hero {
            background: linear-gradient(160deg, var(--ds-primary-deep) 0%, var(--ds-primary) 50%, var(--ds-primary-soft) 100%);
            color: var(--ds-text-light);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .ds-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }
        .ds-hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 300px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 192, 120, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .ds-hero__inner {
            position: relative;
            z-index: 2;
        }
        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .ds-breadcrumb a {
            color: rgba(245, 241, 234, 0.7);
            transition: color var(--ds-transition);
        }
        .ds-breadcrumb a:hover {
            color: var(--ds-accent-warm);
        }
        .ds-breadcrumb .ds-breadcrumb__sep {
            color: rgba(245, 241, 234, 0.35);
        }
        .ds-hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
            color: #fff;
        }
        .ds-hero h1 .ds-hero__highlight {
            color: var(--ds-accent-warm);
        }
        .ds-hero__desc {
            font-size: 16px;
            color: rgba(245, 241, 234, 0.78);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .ds-hero__stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .ds-hero__stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .ds-hero__stat-num {
            font-family: var(--ds-font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--ds-accent-warm);
            line-height: 1.2;
        }
        .ds-hero__stat-label {
            font-size: 12px;
            color: rgba(245, 241, 234, 0.6);
            letter-spacing: 0.05em;
        }

        /* Category grid cards */
        .ds-grid {
            display: grid;
            gap: 24px;
        }
        .ds-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .ds-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .ds-card {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-sm);
            overflow: hidden;
            transition: all var(--ds-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .ds-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
            border-color: rgba(224, 164, 88, 0.45);
        }
        .ds-card__image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            flex-shrink: 0;
        }
        .ds-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .ds-card:hover .ds-card__image img {
            transform: scale(1.05);
        }
        .ds-card__image-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.04em;
        }
        .ds-card__body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .ds-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ds-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .ds-card__desc {
            font-size: 14px;
            color: var(--ds-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .ds-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            padding-top: 12px;
            border-top: 1px solid var(--ds-border);
        }
        .ds-card__tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.12);
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        /* Feature list */
        .ds-feature-list {
            display: grid;
            gap: 16px;
        }
        .ds-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border-radius: var(--ds-radius);
            padding: 18px 20px;
            border: 1px solid var(--ds-border);
            transition: all var(--ds-transition);
        }
        .ds-feature-item:hover {
            border-color: rgba(224, 164, 88, 0.4);
            box-shadow: var(--ds-shadow);
        }
        .ds-feature-item__icon {
            width: 40px;
            height: 40px;
            border-radius: var(--ds-radius-sm);
            background: rgba(224, 164, 88, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ds-accent-deep);
            font-size: 18px;
            flex-shrink: 0;
        }
        .ds-feature-item__content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ds-primary);
            margin-bottom: 4px;
        }
        .ds-feature-item__content p {
            font-size: 13px;
            color: var(--ds-text-soft);
            line-height: 1.65;
            margin: 0;
        }

        /* CTA band */
        .ds-cta-band {
            background: linear-gradient(135deg, var(--ds-primary-deep) 0%, var(--ds-primary) 60%, var(--ds-primary-soft) 100%);
            border-radius: var(--ds-radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--ds-text-light);
            position: relative;
            overflow: hidden;
        }
        .ds-cta-band::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.3) 0%, transparent 65%);
            pointer-events: none;
        }
        .ds-cta-band h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .ds-cta-band p {
            font-size: 14px;
            color: rgba(245, 241, 234, 0.75);
            margin: 0;
            position: relative;
            z-index: 1;
        }
        .ds-cta-band__actions {
            display: flex;
            gap: 10px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* Footer */
        .ds-footer {
            background: var(--ds-primary-deep);
            color: var(--ds-text-light);
            padding: 48px 0 24px;
        }
        .ds-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        .ds-footer__brand .ds-logo {
            color: #fff;
            margin-bottom: 10px;
        }
        .ds-footer__brand p {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            line-height: 1.7;
            margin: 0;
            max-width: 260px;
        }
        .ds-footer__col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .ds-footer__col a {
            display: block;
            font-size: 13px;
            color: rgba(245, 241, 234, 0.65);
            padding: 5px 0;
            transition: color var(--ds-transition);
        }
        .ds-footer__col a:hover {
            color: var(--ds-accent-warm);
        }
        .ds-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.5);
        }
        .ds-footer__bottom a {
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--ds-transition);
        }
        .ds-footer__bottom a:hover {
            color: var(--ds-accent-warm);
        }

        /* File section */
        .ds-file-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            border-radius: var(--ds-radius);
            padding: 16px 18px;
            border: 1px solid var(--ds-border);
            transition: all var(--ds-transition);
            margin-bottom: 10px;
        }
        .ds-file-card:hover {
            border-color: rgba(224, 164, 88, 0.4);
            box-shadow: var(--ds-shadow-sm);
            transform: translateX(4px);
        }
        .ds-file-card__icon {
            width: 40px;
            height: 40px;
            border-radius: var(--ds-radius-sm);
            background: rgba(224, 164, 88, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ds-accent-deep);
            font-size: 16px;
            flex-shrink: 0;
        }
        .ds-file-card__info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--ds-primary);
            margin-bottom: 2px;
        }
        .ds-file-card__info p {
            font-size: 12px;
            color: var(--ds-text-soft);
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .ds-grid--3 { grid-template-columns: repeat(2, 1fr); }
            .ds-footer__grid { grid-template-columns: 1fr 1fr; }
            .ds-nav { gap: 2px; }
            .ds-nav__link { padding: 8px 10px; font-size: 13px; }
        }
        @media (max-width: 768px) {
            .ds-header__inner { flex-wrap: wrap; padding: 10px 0; }
            .ds-header__actions { display: none; }
            .ds-hamburger { display: block; }
            .ds-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: var(--ds-primary-deep);
                padding: 10px 0;
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .ds-nav.is-open { display: flex; }
            .ds-nav__link { padding: 12px 16px; border-radius: 0; font-size: 15px; }
            .ds-nav__link--active::after { display: none; }
            .ds-nav__link--active { border-left: 3px solid var(--ds-accent); }
            .ds-hero h1 { font-size: 28px; }
            .ds-section__title { font-size: 24px; }
            .ds-hero__stat-num { font-size: 22px; }
            .ds-hero__stats { gap: 18px; }
            .ds-cta-band { padding: 30px 22px; }
            .ds-footer__grid { grid-template-columns: 1fr; gap: 16px; }
            .ds-footer__bottom { flex-direction: column; align-items: center; text-align: center; }
        }
        @media (max-width: 520px) {
            .ds-grid--3, .ds-grid--2 { grid-template-columns: 1fr; }
            .ds-logo__text { font-size: 16px; }
            .ds-logo__text small { font-size: 9px; }
            .ds-hero { padding: 36px 0 32px; }
            .ds-hero h1 { font-size: 24px; }
            .ds-hero__desc { font-size: 14px; }
            .ds-hero__stats { gap: 12px; }
            .ds-hero__stat-num { font-size: 18px; }
            .ds-section__title { font-size: 21px; }
            .ds-section__desc { font-size: 14px; }
            .ds-btn { padding: 10px 20px; font-size: 13px; }
            .ds-container { padding: 0 16px; }
            .ds-card__body { padding: 14px 16px 16px; }
            .ds-cta-band h3 { font-size: 18px; }
        }

/* roulang page: category3 */
:root {
            --ds-primary: #1f3d36;
            --ds-primary-deep: #152a25;
            --ds-primary-soft: #2c554b;
            --ds-accent: #e0a458;
            --ds-accent-warm: #f2c078;
            --ds-accent-deep: #c98a3d;
            --ds-bg: #f7f3ec;
            --ds-bg-warm: #f1ebdf;
            --ds-text: #22262a;
            --ds-text-soft: #5a605e;
            --ds-text-light: #f5f1ea;
            --ds-text-muted: #a8aaa8;
            --ds-border: rgba(31, 61, 54, 0.14);
            --ds-border-light: rgba(255, 255, 255, 0.18);
            --ds-radius: 8px;
            --ds-radius-lg: 14px;
            --ds-radius-sm: 5px;
            --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
            --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
            --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
            --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --ds-container: 1200px;
            --ds-section-pad: 80px;
            --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ds-font-title);
            background-color: var(--ds-bg);
            color: var(--ds-text);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--ds-transition), opacity var(--ds-transition), background-color var(--ds-transition), border-color var(--ds-transition), transform var(--ds-transition), box-shadow var(--ds-transition);
        }

        a:hover,
        a:focus {
            color: var(--ds-accent-deep);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--ds-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--ds-font-title);
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.35;
            color: var(--ds-primary);
            margin: 0 0 14px;
        }

        h1 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.025em;
        }

        h2 {
            font-size: 26px;
            font-weight: 800;
        }

        h3 {
            font-size: 20px;
            font-weight: 700;
        }

        h4 {
            font-size: 17px;
            font-weight: 600;
        }

        p {
            margin: 0 0 18px;
            line-height: 1.85;
        }

        ul,
        ol {
            margin: 0 0 18px;
            padding-left: 24px;
        }

        li {
            line-height: 1.8;
            margin-bottom: 6px;
        }

        .ds-container {
            max-width: var(--ds-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .ds-section {
            padding: var(--ds-section-pad) 0;
            position: relative;
        }

        .ds-section--warm {
            background-color: var(--ds-bg-warm);
        }
        .ds-section--dark {
            background-color: var(--ds-primary);
            color: var(--ds-text-light);
        }
        .ds-section--soft {
            background-color: #faf7f1;
        }

        .ds-section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--ds-accent-deep);
            margin-bottom: 10px;
            position: relative;
            padding-left: 18px;
        }
        .ds-section__label::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-accent);
            box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
        }

        .ds-section__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--ds-primary);
        }
        .ds-section--dark .ds-section__title {
            color: var(--ds-text-light);
        }

        .ds-section__desc {
            font-size: 16px;
            color: var(--ds-text-soft);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 22px;
        }
        .ds-section--dark .ds-section__desc {
            color: rgba(245, 241, 234, 0.78);
        }

        .ds-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--ds-radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--ds-transition);
            text-align: center;
            white-space: nowrap;
            line-height: 1.4;
        }
        .ds-btn--primary {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
        }
        .ds-btn--primary:hover {
            background: #edb366;
            border-color: #edb366;
            color: var(--ds-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
        }
        .ds-btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
        }
        .ds-btn--outline {
            background: transparent;
            color: var(--ds-primary);
            border-color: rgba(31, 61, 54, 0.35);
        }
        .ds-btn--outline:hover {
            border-color: var(--ds-accent);
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.08);
            transform: translateY(-2px);
        }
        .ds-btn--light {
            background: rgba(255, 255, 255, 0.14);
            color: var(--ds-text-light);
            border-color: var(--ds-border-light);
        }
        .ds-btn--light:hover {
            background: rgba(255, 255, 255, 0.24);
            border-color: var(--ds-accent-warm);
            color: var(--ds-accent-warm);
            transform: translateY(-2px);
        }
        .ds-btn--sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 4px;
        }
        .ds-btn--lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 6px;
        }

        /* Navigation */
        .ds-header {
            background: var(--ds-primary-deep);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }
        .ds-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
            padding: 0 24px;
            max-width: var(--ds-container);
            margin: 0 auto;
        }
        .ds-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--ds-text-light);
            text-decoration: none;
            flex-shrink: 0;
        }
        .ds-logo__mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--ds-accent) 0%, var(--ds-accent-deep) 100%);
            border-radius: 50% 50% 45% 55%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(224, 164, 88, 0.3);
        }
        .ds-logo__mark::after {
            content: "";
            width: 14px;
            height: 14px;
            background: var(--ds-primary-deep);
            clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
            margin-top: -4px;
        }
        .ds-logo__text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: #fff;
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .ds-logo__text small {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--ds-accent-warm);
            margin-top: 2px;
        }
        .ds-header__nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .ds-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .ds-nav__link {
            color: rgba(245, 241, 234, 0.82);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 14px;
            border-radius: 4px;
            position: relative;
            transition: all var(--ds-transition);
            white-space: nowrap;
        }
        .ds-nav__link:hover {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.08);
        }
        .ds-nav__link--active {
            color: var(--ds-accent-warm);
            background: rgba(224, 164, 88, 0.12);
            font-weight: 600;
        }
        .ds-nav__link--active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--ds-accent);
            border-radius: 1px;
        }
        .ds-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .ds-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(224, 164, 88, 0.18);
            color: var(--ds-accent-warm);
            border: 1px solid rgba(224, 164, 88, 0.3);
            white-space: nowrap;
        }
        .ds-badge__dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #5dd39e;
            animation: ds-pulse 1.8s ease-in-out infinite;
        }
        @keyframes ds-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }
        .ds-countdown {
            font-family: var(--ds-font-num);
            font-size: 12px;
            font-weight: 600;
            color: rgba(245, 241, 234, 0.75);
            display: flex;
            align-items: center;
            gap: 4px;
            letter-spacing: 0.04em;
        }
        .ds-countdown span {
            color: var(--ds-accent-warm);
            font-size: 14px;
            font-weight: 700;
        }
        .ds-hamburger {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            color: var(--ds-text-light);
            font-size: 20px;
            padding: 6px 12px;
            cursor: pointer;
            transition: all var(--ds-transition);
        }
        .ds-hamburger:hover {
            border-color: var(--ds-accent);
            color: var(--ds-accent-warm);
        }

        /* Mobile nav */
        .ds-mobile-nav {
            display: none;
            background: var(--ds-primary-deep);
            border-top: 1px solid var(--ds-border-light);
            padding: 16px 24px 20px;
            flex-direction: column;
            gap: 6px;
        }
        .ds-mobile-nav.open {
            display: flex;
        }
        .ds-mobile-nav .ds-nav__link {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ds-mobile-nav .ds-header__actions {
            flex-direction: column;
            align-items: stretch;
            gap: 10px;
            margin-top: 10px;
        }

        /* Breadcrumb small hero */
        .ds-breadcrumb-section {
            background: var(--ds-primary);
            padding: 28px 0 20px;
            position: relative;
            overflow: hidden;
        }
        .ds-breadcrumb-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .ds-breadcrumb a {
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--ds-transition);
        }
        .ds-breadcrumb a:hover {
            color: var(--ds-accent-warm);
        }
        .ds-breadcrumb__sep {
            color: rgba(245, 241, 234, 0.35);
            font-size: 11px;
        }
        .ds-breadcrumb__current {
            color: var(--ds-accent-warm);
            font-weight: 600;
        }
        .ds-breadcrumb-section h1 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .ds-breadcrumb-section .ds-hero-desc {
            color: rgba(245, 241, 234, 0.75);
            font-size: 15px;
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Main content area: deep article + sidebar */
        .ds-article-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 36px;
            align-items: start;
        }
        .ds-article-main {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            box-shadow: var(--ds-shadow);
            padding: 36px 40px 40px;
            border: 1px solid var(--ds-border);
        }
        .ds-article-main .ds-article-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.12);
            border: 1px solid rgba(224, 164, 88, 0.25);
            padding: 4px 14px;
            border-radius: 18px;
            margin-bottom: 16px;
        }
        .ds-article-main h2 {
            font-size: 24px;
            margin-top: 30px;
            margin-bottom: 12px;
            color: var(--ds-primary);
            position: relative;
            padding-left: 16px;
        }
        .ds-article-main h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--ds-accent);
            border-radius: 2px;
        }
        .ds-article-main h3 {
            font-size: 19px;
            margin-top: 24px;
            margin-bottom: 10px;
            color: var(--ds-primary-soft);
        }
        .ds-article-main p {
            color: var(--ds-text);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 18px;
        }
        .ds-article-main .ds-article-img {
            margin: 28px 0;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow);
        }
        .ds-article-main .ds-article-img img {
            width: 100%;
            object-fit: cover;
        }
        .ds-article-main .ds-article-img figcaption {
            font-size: 13px;
            color: var(--ds-text-soft);
            padding: 10px 16px;
            background: var(--ds-bg-warm);
            border-top: 1px solid var(--ds-border);
            text-align: center;
        }
        .ds-quote-block {
            margin: 30px 0;
            padding: 24px 28px;
            background: linear-gradient(135deg, rgba(31, 61, 54, 0.04) 0%, rgba(224, 164, 88, 0.06) 100%);
            border-left: 4px solid var(--ds-accent);
            border-radius: 0 var(--ds-radius) var(--ds-radius) 0;
            position: relative;
        }
        .ds-quote-block p {
            font-size: 17px;
            font-weight: 500;
            font-style: italic;
            color: var(--ds-primary);
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .ds-quote-block cite {
            font-size: 13px;
            font-style: normal;
            color: var(--ds-text-soft);
            letter-spacing: 0.04em;
        }
        .ds-article-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }
        .ds-article-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 15px;
            line-height: 1.7;
            border-bottom: 1px dashed var(--ds-border);
        }
        .ds-article-list li::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 12px;
            font-size: 15px;
            color: var(--ds-accent-deep);
        }

        /* Sidebar */
        .ds-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 96px;
        }
        .ds-sidebar__widget {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            box-shadow: var(--ds-shadow-sm);
            border: 1px solid var(--ds-border);
            padding: 24px;
        }
        .ds-sidebar__widget h4 {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--ds-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--ds-bg-warm);
            position: relative;
        }
        .ds-sidebar__widget h4::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--ds-accent);
            border-radius: 1px;
        }
        .ds-sidebar__list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-sidebar__list li {
            padding: 9px 0;
            border-bottom: 1px solid rgba(31, 61, 54, 0.06);
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .ds-sidebar__list li:last-child {
            border-bottom: 0;
        }
        .ds-sidebar__list i {
            color: var(--ds-accent-deep);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .ds-sidebar__list a {
            color: var(--ds-text-soft);
            transition: color var(--ds-transition);
        }
        .ds-sidebar__list a:hover {
            color: var(--ds-accent-deep);
        }
        .ds-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ds-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 16px;
            background: var(--ds-bg-warm);
            color: var(--ds-text-soft);
            border: 1px solid var(--ds-border);
            transition: all var(--ds-transition);
            cursor: pointer;
        }
        .ds-tag:hover {
            background: var(--ds-accent);
            color: var(--ds-primary-deep);
            border-color: var(--ds-accent);
            transform: translateY(-1px);
        }
        .ds-sidebar__card {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 12px;
            border-radius: var(--ds-radius);
            border: 1px solid var(--ds-border);
            background: var(--ds-bg-warm);
            transition: all var(--ds-transition);
            margin-bottom: 10px;
        }
        .ds-sidebar__card:hover {
            border-color: var(--ds-accent);
            box-shadow: var(--ds-shadow-sm);
            transform: translateY(-2px);
        }
        .ds-sidebar__card img {
            width: 64px;
            height: 64px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .ds-sidebar__card-info h5 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--ds-primary);
        }
        .ds-sidebar__card-info p {
            font-size: 12px;
            color: var(--ds-text-soft);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* Data strip */
        .ds-data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .ds-data-item {
            background: #fff;
            border-radius: var(--ds-radius);
            box-shadow: var(--ds-shadow-sm);
            border: 1px solid var(--ds-border);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--ds-transition);
        }
        .ds-data-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
            border-color: rgba(224, 164, 88, 0.35);
        }
        .ds-data-item__num {
            font-family: var(--ds-font-num);
            font-size: 36px;
            font-weight: 800;
            color: var(--ds-accent-deep);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .ds-data-item__label {
            font-size: 14px;
            color: var(--ds-text-soft);
            letter-spacing: 0.04em;
        }

        /* CTA */
        .ds-cta-section {
            background: var(--ds-primary-deep);
            position: relative;
            overflow: hidden;
        }
        .ds-cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ds-cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(224, 164, 88, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ds-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }
        .ds-cta-text h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 8px;
        }
        .ds-cta-text p {
            color: rgba(245, 241, 234, 0.7);
            font-size: 15px;
            margin-bottom: 0;
            max-width: 520px;
        }
        .ds-cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .ds-footer {
            background: #0f1d1a;
            color: rgba(245, 241, 234, 0.7);
            padding: 50px 0 24px;
            font-size: 14px;
        }
        .ds-footer__grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .ds-footer__brand .ds-logo--footer {
            color: #fff;
            margin-bottom: 14px;
        }
        .ds-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 241, 234, 0.55);
            max-width: 280px;
        }
        .ds-footer__col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .ds-footer__col a {
            display: block;
            color: rgba(245, 241, 234, 0.6);
            padding: 4px 0;
            font-size: 13px;
            transition: color var(--ds-transition);
        }
        .ds-footer__col a:hover {
            color: var(--ds-accent-warm);
        }
        .ds-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.45);
        }
        .ds-footer__bottom a {
            color: rgba(245, 241, 234, 0.45);
            transition: color var(--ds-transition);
        }
        .ds-footer__bottom a:hover {
            color: var(--ds-accent-warm);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --ds-section-pad: 56px;
            }
            .ds-header__inner {
                height: 64px;
                gap: 14px;
            }
            .ds-nav__link {
                font-size: 13px;
                padding: 6px 10px;
            }
            .ds-header__actions .ds-countdown {
                display: none;
            }
            .ds-article-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .ds-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .ds-data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .ds-article-main {
                padding: 28px 24px 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --ds-section-pad: 44px;
            }
            .ds-header__nav-wrap {
                display: none;
            }
            .ds-hamburger {
                display: block;
            }
            .ds-header__actions .ds-badge {
                display: none;
            }
            .ds-breadcrumb-section h1 {
                font-size: 24px;
            }
            .ds-section__title {
                font-size: 26px;
            }
            .ds-article-main {
                padding: 22px 18px 24px;
                border-radius: var(--ds-radius);
            }
            .ds-article-main h2 {
                font-size: 20px;
            }
            .ds-sidebar {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .ds-cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }
            .ds-cta-actions {
                width: 100%;
            }
            .ds-cta-actions .ds-btn {
                flex: 1;
                justify-content: center;
            }
            .ds-data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .ds-data-item__num {
                font-size: 28px;
            }
            .ds-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ds-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --ds-section-pad: 36px;
            }
            .ds-container {
                padding: 0 16px;
            }
            .ds-header__inner {
                height: 58px;
                padding: 0 16px;
            }
            .ds-logo__text {
                font-size: 17px;
            }
            .ds-logo__mark {
                width: 34px;
                height: 34px;
            }
            .ds-breadcrumb-section {
                padding: 20px 0 16px;
            }
            .ds-breadcrumb-section h1 {
                font-size: 20px;
            }
            .ds-breadcrumb-section .ds-hero-desc {
                font-size: 13px;
            }
            .ds-article-main {
                padding: 18px 14px 20px;
            }
            .ds-article-main h2 {
                font-size: 18px;
                padding-left: 12px;
            }
            .ds-article-main p {
                font-size: 15px;
                line-height: 1.8;
            }
            .ds-quote-block {
                padding: 16px 18px;
                margin: 20px 0;
            }
            .ds-quote-block p {
                font-size: 15px;
            }
            .ds-data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .ds-data-item {
                padding: 16px 12px;
            }
            .ds-data-item__num {
                font-size: 24px;
            }
            .ds-cta-text h2 {
                font-size: 21px;
            }
            .ds-btn--lg {
                padding: 11px 22px;
                font-size: 14px;
            }
            .ds-breadcrumb {
                font-size: 11px;
            }
        }

        /* Article specific extra styles */
        .ds-article-main .ds-highlight-text {
            color: var(--ds-primary);
            font-weight: 600;
            background: linear-gradient(transparent 60%, rgba(224, 164, 88, 0.2) 40%);
            padding: 0 2px;
        }
        .ds-article-main .ds-inline-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--ds-accent-deep);
            background: rgba(224, 164, 88, 0.1);
            padding: 2px 10px;
            border-radius: 10px;
            margin: 0 2px;
        }

/* roulang page: category5 */
:root {
        --ds-primary: #1f3d36;
        --ds-primary-deep: #152a25;
        --ds-primary-soft: #2c554b;
        --ds-accent: #e0a458;
        --ds-accent-warm: #f2c078;
        --ds-accent-deep: #c98a3d;
        --ds-bg: #f7f3ec;
        --ds-bg-warm: #f1ebdf;
        --ds-text: #22262a;
        --ds-text-soft: #5a605e;
        --ds-text-light: #f5f1ea;
        --ds-text-muted: #a8aaa8;
        --ds-border: rgba(31, 61, 54, 0.14);
        --ds-border-light: rgba(255, 255, 255, 0.18);
        --ds-radius: 8px;
        --ds-radius-lg: 14px;
        --ds-radius-sm: 5px;
        --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
        --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
        --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
        --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --ds-container: 1200px;
        --ds-section-pad: 80px;
        --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        font-size: 16px;
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--ds-font-title);
        background-color: var(--ds-bg);
        color: var(--ds-text);
        line-height: 1.75;
        font-weight: 400;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--ds-transition), opacity var(--ds-transition), background var(--ds-transition), border-color var(--ds-transition);
    }

    a:hover,
    a:focus {
        color: var(--ds-accent);
        outline: none;
    }

    a:focus-visible {
        outline: 2px solid var(--ds-accent);
        outline-offset: 3px;
        border-radius: 2px;
    }

    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }

    .ds-container {
        max-width: var(--ds-container);
        margin: 0 auto;
        padding: 0 24px;
    }

    .ds-section {
        padding: var(--ds-section-pad) 0;
        position: relative;
    }

    .ds-section--warm {
        background-color: var(--ds-bg-warm);
    }

    .ds-section--dark {
        background-color: var(--ds-primary);
        color: var(--ds-text-light);
    }

    .ds-section--soft {
        background-color: #faf7f1;
    }

    .ds-section__label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--ds-accent-deep);
        margin-bottom: 10px;
        position: relative;
        padding-left: 18px;
    }

    .ds-section__label::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--ds-accent);
        box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
    }

    .ds-section__title {
        font-size: 32px;
        font-weight: 800;
        letter-spacing: 0.02em;
        line-height: 1.3;
        margin-bottom: 14px;
        color: var(--ds-primary);
    }

    .ds-section--dark .ds-section__title {
        color: var(--ds-text-light);
    }

    .ds-section__desc {
        font-size: 16px;
        color: var(--ds-text-soft);
        max-width: 720px;
        line-height: 1.85;
        margin-bottom: 22px;
    }

    .ds-section--dark .ds-section__desc {
        color: rgba(245, 241, 234, 0.78);
    }

    .ds-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-radius: var(--ds-radius-sm);
        border: 2px solid transparent;
        cursor: pointer;
        transition: all var(--ds-transition);
        text-align: center;
        white-space: nowrap;
        line-height: 1.4;
    }

    .ds-btn--primary {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        border-color: var(--ds-accent);
    }

    .ds-btn--primary:hover {
        background: #edb366;
        border-color: #edb366;
        color: var(--ds-primary-deep);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
    }

    .ds-btn--primary:active {
        transform: translateY(0);
        box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
    }

    .ds-btn--outline {
        background: transparent;
        color: var(--ds-primary);
        border-color: rgba(31, 61, 54, 0.35);
    }

    .ds-btn--outline:hover {
        border-color: var(--ds-accent);
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.08);
        transform: translateY(-2px);
    }

    .ds-btn--light {
        background: rgba(255, 255, 255, 0.14);
        color: var(--ds-text-light);
        border-color: rgba(255, 255, 255, 0.35);
        backdrop-filter: blur(8px);
    }

    .ds-btn--light:hover {
        background: rgba(255, 255, 255, 0.24);
        border-color: var(--ds-accent-warm);
        color: var(--ds-accent-warm);
        transform: translateY(-2px);
    }

    /* Header / Navigation */
    .ds-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: rgba(21, 42, 37, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        height: 72px;
        display: flex;
        align-items: center;
        transition: all var(--ds-transition);
    }

    .ds-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--ds-container);
        margin: 0 auto;
        padding: 0 24px;
        height: 100%;
    }

    .ds-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: var(--ds-text-light);
        font-weight: 800;
        font-size: 20px;
        letter-spacing: 0.03em;
        flex-shrink: 0;
        line-height: 1.2;
    }

    .ds-logo:hover {
        color: var(--ds-accent-warm);
    }

    .ds-logo__mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--ds-accent) 0%, var(--ds-accent-deep) 100%);
        position: relative;
        flex-shrink: 0;
        box-shadow: 0 2px 10px rgba(224, 164, 88, 0.35);
    }

    .ds-logo__mark::after {
        content: "";
        position: absolute;
        width: 10px;
        height: 10px;
        background: var(--ds-primary-deep);
        border-radius: 2px;
        transform: rotate(45deg);
        top: 50%;
        left: 50%;
        margin: -5px 0 0 -5px;
    }

    .ds-logo__text {
        display: flex;
        flex-direction: column;
        line-height: 1.1;
    }

    .ds-logo__text small {
        font-size: 10px;
        font-weight: 400;
        letter-spacing: 0.18em;
        color: rgba(245, 241, 234, 0.65);
        text-transform: uppercase;
    }

    .ds-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .ds-nav__link {
        padding: 8px 14px;
        color: rgba(245, 241, 234, 0.82);
        font-size: 14px;
        font-weight: 500;
        letter-spacing: 0.02em;
        border-radius: var(--ds-radius-sm);
        position: relative;
        transition: all var(--ds-transition);
        white-space: nowrap;
    }

    .ds-nav__link:hover {
        color: var(--ds-accent-warm);
        background: rgba(255, 255, 255, 0.05);
    }

    .ds-nav__link--active {
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.12);
    }

    .ds-nav__link--active::after {
        content: "";
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 2px;
        height: 2px;
        background: var(--ds-accent);
        border-radius: 1px;
    }

    .ds-header__cta {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-shrink: 0;
    }

    .ds-header__badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 600;
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.12);
        padding: 5px 12px;
        border-radius: 20px;
        letter-spacing: 0.03em;
        white-space: nowrap;
    }

    .ds-header__badge-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--ds-accent);
        animation: pulse-dot 1.8s ease-in-out infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(0.7); }
    }

    .ds-header__burger {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        color: var(--ds-text-light);
        font-size: 24px;
        line-height: 1;
    }

    /* Breadcrumb */
    .ds-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--ds-text-muted);
        flex-wrap: wrap;
        padding: 18px 0 0;
    }

    .ds-breadcrumb a {
        color: var(--ds-text-soft);
    }

    .ds-breadcrumb a:hover {
        color: var(--ds-accent-deep);
    }

    .ds-breadcrumb__sep {
        color: var(--ds-text-muted);
        font-size: 11px;
    }

    .ds-breadcrumb__current {
        color: var(--ds-accent-deep);
        font-weight: 600;
    }

    /* Hero */
    .ds-hero {
        position: relative;
        min-height: 68vh;
        display: flex;
        align-items: flex-end;
        padding: 120px 0 60px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        isolation: isolate;
    }

    .ds-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(21, 42, 37, 0.55) 0%, rgba(21, 42, 37, 0.82) 55%, rgba(21, 42, 37, 0.92) 100%);
        z-index: -1;
    }

    .ds-hero__content {
        max-width: 680px;
        color: var(--ds-text-light);
    }

    .ds-hero__tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.16);
        padding: 6px 16px;
        border-radius: 20px;
        margin-bottom: 18px;
        border: 1px solid rgba(224, 164, 88, 0.3);
    }

    .ds-hero__title {
        font-size: 40px;
        font-weight: 800;
        letter-spacing: 0.02em;
        line-height: 1.25;
        margin-bottom: 16px;
        color: #fff;
    }

    .ds-hero__title em {
        color: var(--ds-accent-warm);
        font-style: normal;
    }

    .ds-hero__desc {
        font-size: 17px;
        color: rgba(245, 241, 234, 0.85);
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 560px;
    }

    .ds-hero__actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .ds-hero__stats {
        display: flex;
        gap: 28px;
        margin-top: 40px;
        flex-wrap: wrap;
    }

    .ds-hero__stat {
        text-align: left;
    }

    .ds-hero__stat-num {
        font-family: var(--ds-font-num);
        font-size: 30px;
        font-weight: 700;
        color: var(--ds-accent-warm);
        letter-spacing: 0.02em;
        line-height: 1.2;
    }

    .ds-hero__stat-label {
        font-size: 13px;
        color: rgba(245, 241, 234, 0.7);
        margin-top: 4px;
    }

    /* Summary Cards */
    .ds-summary-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: 40px;
    }

    .ds-summary-card {
        background: #fff;
        border-radius: var(--ds-radius-lg);
        border: 1px solid var(--ds-border);
        overflow: hidden;
        transition: all var(--ds-transition);
        box-shadow: var(--ds-shadow-sm);
        display: flex;
        flex-direction: column;
    }

    .ds-summary-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--ds-shadow-lg);
        border-color: rgba(224, 164, 88, 0.4);
    }

    .ds-summary-card__figure {
        position: relative;
        aspect-ratio: 16/9;
        overflow: hidden;
    }

    .ds-summary-card__figure img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .ds-summary-card:hover .ds-summary-card__figure img {
        transform: scale(1.05);
    }

    .ds-summary-card__badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(21, 42, 37, 0.85);
        color: var(--ds-accent-warm);
        font-size: 12px;
        font-weight: 600;
        padding: 5px 12px;
        border-radius: 4px;
        letter-spacing: 0.04em;
    }

    .ds-summary-card__body {
        padding: 20px 22px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .ds-summary-card__title {
        font-size: 18px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .ds-summary-card__desc {
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.75;
        flex: 1;
        margin-bottom: 16px;
    }

    .ds-summary-card__meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--ds-border);
        font-size: 13px;
        color: var(--ds-text-muted);
    }

    .ds-summary-card__link {
        color: var(--ds-accent-deep);
        font-weight: 600;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--ds-transition);
    }

    .ds-summary-card__link:hover {
        gap: 8px;
        color: var(--ds-accent-deep);
    }

    /* Data / Stats */
    .ds-stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 28px;
    }

    .ds-stat-block {
        text-align: center;
        padding: 28px 18px;
        background: rgba(255, 255, 255, 0.04);
        border-radius: var(--ds-radius-lg);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all var(--ds-transition);
    }

    .ds-stat-block:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(224, 164, 88, 0.35);
        transform: translateY(-3px);
    }

    .ds-stat-block__num {
        font-family: var(--ds-font-num);
        font-size: 38px;
        font-weight: 700;
        color: var(--ds-accent-warm);
        letter-spacing: 0.01em;
        line-height: 1.2;
    }

    .ds-stat-block__label {
        font-size: 14px;
        color: rgba(245, 241, 234, 0.72);
        margin-top: 8px;
        font-weight: 500;
    }

    /* Feature List */
    .ds-feature-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 30px;
    }

    .ds-feature-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 20px 22px;
        background: #fff;
        border-radius: var(--ds-radius);
        border: 1px solid var(--ds-border);
        transition: all var(--ds-transition);
        box-shadow: var(--ds-shadow-sm);
    }

    .ds-feature-item:hover {
        border-color: rgba(224, 164, 88, 0.45);
        box-shadow: var(--ds-shadow);
        transform: translateX(3px);
    }

    .ds-feature-item__icon {
        width: 42px;
        height: 42px;
        flex-shrink: 0;
        border-radius: 50%;
        background: rgba(224, 164, 88, 0.14);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ds-accent-deep);
        font-size: 18px;
    }

    .ds-feature-item__title {
        font-size: 16px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 6px;
    }

    .ds-feature-item__desc {
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.7;
    }

    /* FAQ */
    .ds-faq {
        margin-top: 30px;
    }

    .ds-faq__item {
        margin-bottom: 12px;
        border: 1px solid var(--ds-border);
        border-radius: var(--ds-radius);
        overflow: hidden;
        background: #fff;
        transition: all var(--ds-transition);
    }

    .ds-faq__item.is-active {
        border-color: rgba(224, 164, 88, 0.5);
        box-shadow: var(--ds-shadow);
    }

    .ds-faq__title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        cursor: pointer;
        font-size: 15px;
        font-weight: 600;
        color: var(--ds-primary);
        transition: all var(--ds-transition);
        user-select: none;
        gap: 12px;
    }

    .ds-faq__title:hover {
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.04);
    }

    .ds-faq__icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(224, 164, 88, 0.12);
        color: var(--ds-accent-deep);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        transition: transform var(--ds-transition);
    }

    .ds-faq__item.is-active .ds-faq__icon {
        transform: rotate(45deg);
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
    }

    .ds-faq__content {
        padding: 0 20px 18px;
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.8;
        display: none;
    }

    .ds-faq__item.is-active .ds-faq__content {
        display: block;
        animation: fadeIn 0.25s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-4px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* CTA / Contact */
    .ds-contact-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 44px;
        align-items: start;
    }

    .ds-contact-info {
        color: rgba(245, 241, 234, 0.85);
    }

    .ds-contact-info h3 {
        color: #fff;
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 14px;
    }

    .ds-contact-info p {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 22px;
    }

    .ds-contact-info__item {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
        font-size: 14px;
    }

    .ds-contact-info__item i {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(224, 164, 88, 0.16);
        color: var(--ds-accent-warm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        flex-shrink: 0;
    }

    .ds-form {
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--ds-radius-lg);
        padding: 28px;
        border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .ds-form__row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        margin-bottom: 16px;
    }

    .ds-form__field {
        margin-bottom: 16px;
    }

    .ds-form__field label {
        display: block;
        font-size: 13px;
        font-weight: 600;
        color: rgba(245, 241, 234, 0.75);
        margin-bottom: 6px;
        letter-spacing: 0.02em;
    }

    .ds-form__field input,
    .ds-form__field textarea {
        width: 100%;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--ds-radius-sm);
        padding: 12px 14px;
        color: #fff;
        font-size: 14px;
        transition: all var(--ds-transition);
        resize: vertical;
    }

    .ds-form__field input::placeholder,
    .ds-form__field textarea::placeholder {
        color: rgba(245, 241, 234, 0.4);
    }

    .ds-form__field input:focus,
    .ds-form__field textarea:focus {
        outline: none;
        border-color: var(--ds-accent);
        background: rgba(255, 255, 255, 0.12);
        box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.15);
    }

    /* Footer */
    .ds-footer {
        background: var(--ds-primary-deep);
        color: rgba(245, 241, 234, 0.75);
        padding: 50px 0 24px;
    }

    .ds-footer__grid {
        display: grid;
        grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
        gap: 36px;
        margin-bottom: 36px;
    }

    .ds-footer__brand p {
        font-size: 14px;
        color: rgba(245, 241, 234, 0.6);
        line-height: 1.8;
        margin-top: 14px;
        max-width: 280px;
    }

    .ds-footer__col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.06em;
        margin-bottom: 14px;
    }

    .ds-footer__col a {
        display: block;
        font-size: 13px;
        color: rgba(245, 241, 234, 0.6);
        margin-bottom: 8px;
        padding: 3px 0;
        transition: all var(--ds-transition);
    }

    .ds-footer__col a:hover {
        color: var(--ds-accent-warm);
        transform: translateX(3px);
    }

    .ds-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        font-size: 12px;
        color: rgba(245, 241, 234, 0.45);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .ds-footer__bottom a {
        color: rgba(245, 241, 234, 0.55);
    }

    .ds-footer__bottom a:hover {
        color: var(--ds-accent-warm);
    }

    .ds-logo--footer {
        color: #fff;
        font-size: 18px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        :root {
            --ds-section-pad: 64px;
        }

        .ds-summary-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .ds-stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .ds-contact-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .ds-footer__grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        :root {
            --ds-section-pad: 48px;
        }

        .ds-header__burger {
            display: block;
        }

        .ds-nav {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(21, 42, 37, 0.98);
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 2px;
            border-bottom: 2px solid rgba(224, 164, 88, 0.3);
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }

        .ds-nav.is-open {
            display: flex;
        }

        .ds-nav__link {
            width: 100%;
            padding: 14px 16px;
            font-size: 15px;
            border-radius: 6px;
        }

        .ds-nav__link--active::after {
            display: none;
        }

        .ds-header__badge {
            display: none;
        }

        .ds-header__cta .ds-btn {
            padding: 10px 18px;
            font-size: 14px;
        }

        .ds-hero {
            min-height: 56vh;
            padding: 100px 0 40px;
        }

        .ds-hero__title {
            font-size: 28px;
        }

        .ds-hero__desc {
            font-size: 15px;
        }

        .ds-hero__stats {
            gap: 18px;
        }

        .ds-hero__stat-num {
            font-size: 24px;
        }

        .ds-summary-grid {
            grid-template-columns: 1fr;
        }

        .ds-feature-grid {
            grid-template-columns: 1fr;
        }

        .ds-section__title {
            font-size: 26px;
        }

        .ds-form__row {
            grid-template-columns: 1fr;
        }

        .ds-footer__grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .ds-footer__bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }
    }

    @media (max-width: 520px) {
        :root {
            --ds-section-pad: 36px;
        }

        .ds-container {
            padding: 0 16px;
        }

        .ds-header__inner {
            padding: 0 16px;
        }

        .ds-logo__text {
            font-size: 17px;
        }

        .ds-header__cta .ds-btn {
            padding: 8px 14px;
            font-size: 13px;
        }

        .ds-hero__title {
            font-size: 24px;
        }

        .ds-hero__actions {
            gap: 10px;
        }

        .ds-hero__stats {
            gap: 14px;
        }

        .ds-stat-block__num {
            font-size: 28px;
        }
    }

/* roulang page: category6 */
:root {
        --ds-primary: #1f3d36;
        --ds-primary-deep: #152a25;
        --ds-primary-soft: #2c554b;
        --ds-accent: #e0a458;
        --ds-accent-warm: #f2c078;
        --ds-accent-deep: #c98a3d;
        --ds-bg: #f7f3ec;
        --ds-bg-warm: #f1ebdf;
        --ds-text: #22262a;
        --ds-text-soft: #5a605e;
        --ds-text-light: #f5f1ea;
        --ds-text-muted: #a8aaa8;
        --ds-border: rgba(31, 61, 54, 0.14);
        --ds-border-light: rgba(255, 255, 255, 0.18);
        --ds-radius: 8px;
        --ds-radius-lg: 14px;
        --ds-radius-sm: 5px;
        --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
        --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
        --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
        --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --ds-container: 1200px;
        --ds-section-pad: 72px;
        --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        font-size: 16px;
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--ds-font-title);
        background-color: var(--ds-bg);
        color: var(--ds-text);
        line-height: 1.75;
        font-weight: 400;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--ds-transition), opacity var(--ds-transition);
    }
    a:hover,
    a:focus {
        color: var(--ds-accent);
        outline: none;
    }
    a:focus-visible {
        outline: 2px solid var(--ds-accent);
        outline-offset: 3px;
        border-radius: 2px;
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    .ds-container {
        max-width: var(--ds-container);
        margin: 0 auto;
        padding: 0 24px;
    }
    .ds-section {
        padding: var(--ds-section-pad) 0;
        position: relative;
    }
    .ds-section--warm {
        background-color: var(--ds-bg-warm);
    }
    .ds-section--dark {
        background-color: var(--ds-primary);
        color: var(--ds-text-light);
    }
    .ds-section--soft {
        background-color: #faf7f1;
    }
    .ds-section__label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--ds-accent-deep);
        margin-bottom: 10px;
        position: relative;
        padding-left: 18px;
    }
    .ds-section__label::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--ds-accent);
        box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
    }
    .ds-section__title {
        font-size: 32px;
        font-weight: 800;
        letter-spacing: 0.02em;
        line-height: 1.3;
        margin-bottom: 14px;
        color: var(--ds-primary);
    }
    .ds-section--dark .ds-section__title {
        color: var(--ds-text-light);
    }
    .ds-section__desc {
        font-size: 16px;
        color: var(--ds-text-soft);
        max-width: 720px;
        line-height: 1.85;
        margin-bottom: 22px;
    }
    .ds-section--dark .ds-section__desc {
        color: rgba(245, 241, 234, 0.78);
    }
    .ds-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-radius: var(--ds-radius-sm);
        border: 2px solid transparent;
        cursor: pointer;
        transition: all var(--ds-transition);
        text-align: center;
        white-space: nowrap;
        line-height: 1.4;
    }
    .ds-btn--primary {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        border-color: var(--ds-accent);
    }
    .ds-btn--primary:hover {
        background: #edb366;
        border-color: #edb366;
        color: var(--ds-primary-deep);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
    }
    .ds-btn--primary:active {
        transform: translateY(0);
        box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
    }
    .ds-btn--outline {
        background: transparent;
        color: var(--ds-primary);
        border-color: rgba(31, 61, 54, 0.35);
    }
    .ds-btn--outline:hover {
        border-color: var(--ds-accent);
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.08);
        transform: translateY(-2px);
    }
    .ds-btn--light {
        background: rgba(255, 255, 255, 0.12);
        color: var(--ds-text-light);
        border-color: rgba(255, 255, 255, 0.35);
    }
    .ds-btn--light:hover {
        background: rgba(255, 255, 255, 0.22);
        border-color: var(--ds-accent);
        color: var(--ds-accent-warm);
        transform: translateY(-2px);
    }
    .ds-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(21, 42, 37, 0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        height: 72px;
        display: flex;
        align-items: center;
    }
    .ds-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        width: 100%;
    }
    .ds-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .ds-logo__mark {
        display: inline-block;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--ds-accent) 0%, var(--ds-accent-deep) 100%);
        position: relative;
        flex-shrink: 0;
        box-shadow: 0 2px 10px rgba(224, 164, 88, 0.35);
    }
    .ds-logo__mark::after {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 0;
        height: 0;
        border-left: 7px solid transparent;
        border-right: 7px solid transparent;
        border-bottom: 11px solid var(--ds-primary-deep);
        border-radius: 2px;
    }
    .ds-logo__text {
        font-size: 20px;
        font-weight: 800;
        color: var(--ds-text-light);
        letter-spacing: 0.04em;
        display: flex;
        flex-direction: column;
        line-height: 1.2;
    }
    .ds-logo__text small {
        font-size: 10px;
        font-weight: 500;
        letter-spacing: 0.18em;
        color: var(--ds-accent-warm);
        text-transform: uppercase;
    }
    .ds-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .ds-nav::-webkit-scrollbar {
        display: none;
    }
    .ds-nav__link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 600;
        color: rgba(245, 241, 234, 0.82);
        border-radius: 4px;
        white-space: nowrap;
        position: relative;
        transition: color var(--ds-transition), background var(--ds-transition);
    }
    .ds-nav__link:hover {
        color: var(--ds-accent-warm);
        background: rgba(255, 255, 255, 0.06);
    }
    .ds-nav__link--active {
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.14);
    }
    .ds-nav__link--active::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 2px;
        background: var(--ds-accent);
        border-radius: 2px;
    }
    .ds-header__cta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .ds-status-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 10px;
        background: rgba(224, 164, 88, 0.18);
        border: 1px solid rgba(224, 164, 88, 0.35);
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        color: var(--ds-accent-warm);
        white-space: nowrap;
    }
    .ds-status-badge__dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #4ade80;
        animation: ds-pulse 2s ease-in-out infinite;
    }
    @keyframes ds-pulse {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(1.4); }
    }
    .ds-hamburger {
        display: none;
        background: transparent;
        border: none;
        color: var(--ds-text-light);
        font-size: 24px;
        cursor: pointer;
        padding: 6px;
        border-radius: 4px;
        flex-shrink: 0;
    }
    .ds-hamburger:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    .ds-hero {
        position: relative;
        min-height: 420px;
        display: flex;
        align-items: center;
        background: linear-gradient(135deg, var(--ds-primary-deep) 0%, var(--ds-primary) 40%, var(--ds-primary-soft) 100%);
        overflow: hidden;
        padding: 52px 0 60px;
    }
    .ds-hero__bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.22;
        z-index: 1;
    }
    .ds-hero__overlay {
        position: absolute;
        inset: 0;
        background: rgba(21, 42, 37, 0.55);
        z-index: 2;
    }
    .ds-hero__decor {
        position: absolute;
        top: -60px;
        right: -60px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        border: 2px solid rgba(224, 164, 88, 0.25);
        z-index: 2;
    }
    .ds-hero__decor::after {
        content: "";
        position: absolute;
        top: 40px;
        left: 40px;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        border: 1px solid rgba(224, 164, 88, 0.18);
    }
    .ds-hero__content {
        position: relative;
        z-index: 3;
        max-width: 680px;
    }
    .ds-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(245, 241, 234, 0.6);
        margin-bottom: 18px;
        flex-wrap: wrap;
    }
    .ds-breadcrumb a {
        color: rgba(245, 241, 234, 0.7);
    }
    .ds-breadcrumb a:hover {
        color: var(--ds-accent-warm);
    }
    .ds-breadcrumb__sep {
        color: rgba(245, 241, 234, 0.35);
    }
    .ds-hero h1 {
        font-size: 38px;
        font-weight: 800;
        color: var(--ds-text-light);
        letter-spacing: 0.02em;
        line-height: 1.3;
        margin-bottom: 14px;
    }
    .ds-hero h1 span {
        color: var(--ds-accent-warm);
    }
    .ds-hero__desc {
        font-size: 16px;
        color: rgba(245, 241, 234, 0.75);
        line-height: 1.8;
        max-width: 560px;
        margin-bottom: 22px;
    }
    .ds-hero__actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .ds-timeline-section {
        position: relative;
    }
    .ds-timeline {
        position: relative;
        padding: 20px 0;
    }
    .ds-timeline::before {
        content: "";
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(to bottom, transparent, var(--ds-border), var(--ds-accent), var(--ds-border), transparent);
        transform: translateX(-50%);
    }
    .ds-timeline__item {
        position: relative;
        margin-bottom: 36px;
        width: 50%;
        padding-right: 48px;
    }
    .ds-timeline__item:nth-child(even) {
        margin-left: 50%;
        padding-right: 0;
        padding-left: 48px;
    }
    .ds-timeline__node {
        position: absolute;
        top: 8px;
        right: -11px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--ds-accent);
        border: 3px solid var(--ds-bg);
        box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.35);
        z-index: 2;
    }
    .ds-timeline__item:nth-child(even) .ds-timeline__node {
        right: auto;
        left: -11px;
    }
    .ds-timeline__card {
        background: #fff;
        border: 1px solid var(--ds-border);
        border-radius: var(--ds-radius-lg);
        padding: 22px 24px;
        box-shadow: var(--ds-shadow-sm);
        transition: all var(--ds-transition);
    }
    .ds-timeline__card:hover {
        box-shadow: var(--ds-shadow);
        border-color: rgba(224, 164, 88, 0.4);
        transform: translateY(-2px);
    }
    .ds-timeline__date {
        display: inline-block;
        font-family: var(--ds-font-num);
        font-size: 12px;
        font-weight: 600;
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.12);
        padding: 3px 10px;
        border-radius: 20px;
        margin-bottom: 8px;
        letter-spacing: 0.06em;
    }
    .ds-timeline__title {
        font-size: 18px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .ds-timeline__summary {
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.75;
    }
    .ds-step-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 10px;
    }
    .ds-step-card {
        background: #fff;
        border: 1px solid var(--ds-border);
        border-radius: var(--ds-radius-lg);
        padding: 24px;
        box-shadow: var(--ds-shadow-sm);
        transition: all var(--ds-transition);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .ds-step-card:hover {
        box-shadow: var(--ds-shadow);
        border-color: rgba(224, 164, 88, 0.35);
        transform: translateY(-3px);
    }
    .ds-step-card__num {
        font-family: var(--ds-font-num);
        font-size: 36px;
        font-weight: 800;
        color: rgba(224, 164, 88, 0.3);
        line-height: 1;
    }
    .ds-step-card__title {
        font-size: 16px;
        font-weight: 700;
        color: var(--ds-primary);
    }
    .ds-step-card__desc {
        font-size: 13px;
        color: var(--ds-text-soft);
        line-height: 1.7;
    }
    .ds-card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .ds-service-card {
        background: #fff;
        border: 1px solid var(--ds-border);
        border-radius: var(--ds-radius-lg);
        overflow: hidden;
        box-shadow: var(--ds-shadow-sm);
        transition: all var(--ds-transition);
    }
    .ds-service-card:hover {
        box-shadow: var(--ds-shadow);
        border-color: rgba(224, 164, 88, 0.35);
        transform: translateY(-3px);
    }
    .ds-service-card__img {
        aspect-ratio: 16/9;
        overflow: hidden;
        background: var(--ds-bg-warm);
    }
    .ds-service-card__img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .ds-service-card:hover .ds-service-card__img img {
        transform: scale(1.05);
    }
    .ds-service-card__body {
        padding: 18px 20px;
    }
    .ds-service-card__tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.12);
        padding: 3px 8px;
        border-radius: 12px;
        letter-spacing: 0.04em;
        margin-bottom: 8px;
    }
    .ds-service-card__title {
        font-size: 16px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 6px;
    }
    .ds-service-card__desc {
        font-size: 13px;
        color: var(--ds-text-soft);
        line-height: 1.7;
    }
    .ds-data-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .ds-data-item {
        text-align: center;
        padding: 26px 16px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: var(--ds-radius-lg);
        transition: all var(--ds-transition);
    }
    .ds-data-item:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(224, 164, 88, 0.4);
    }
    .ds-data-item__num {
        font-family: var(--ds-font-num);
        font-size: 38px;
        font-weight: 800;
        color: var(--ds-accent-warm);
        line-height: 1.1;
        margin-bottom: 6px;
    }
    .ds-data-item__label {
        font-size: 13px;
        color: rgba(245, 241, 234, 0.75);
        font-weight: 500;
    }
    .ds-list-check {
        list-style: none;
        padding: 0;
    }
    .ds-list-check li {
        position: relative;
        padding-left: 28px;
        margin-bottom: 12px;
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.7;
    }
    .ds-list-check li::before {
        content: "\f00c";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 2px;
        color: var(--ds-accent-deep);
        font-size: 13px;
    }
    .ds-faq-item {
        background: #fff;
        border: 1px solid var(--ds-border);
        border-radius: var(--ds-radius);
        margin-bottom: 10px;
        overflow: hidden;
        transition: border-color var(--ds-transition);
    }
    .ds-faq-item.is-active {
        border-color: rgba(224, 164, 88, 0.45);
        background: #fffdf8;
    }
    .ds-faq-item__header {
        width: 100%;
        background: transparent;
        border: none;
        padding: 16px 20px;
        text-align: left;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ds-primary);
        transition: color var(--ds-transition);
    }
    .ds-faq-item__header:hover {
        color: var(--ds-accent-deep);
    }
    .ds-faq-item__icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(224, 164, 88, 0.15);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--ds-accent-deep);
        transition: all var(--ds-transition);
    }
    .ds-faq-item.is-active .ds-faq-item__icon {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        transform: rotate(45deg);
    }
    .ds-faq-item__body {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        padding: 0 20px;
    }
    .ds-faq-item.is-active .ds-faq-item__body {
        max-height: 300px;
        padding-bottom: 18px;
    }
    .ds-faq-item__body p {
        font-size: 14px;
        color: var(--ds-text-soft);
        line-height: 1.8;
        margin: 0;
    }
    .ds-cta-panel {
        background: linear-gradient(135deg, var(--ds-primary-deep) 0%, var(--ds-primary) 100%);
        border-radius: var(--ds-radius-lg);
        padding: 40px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        border: 1px solid rgba(224, 164, 88, 0.25);
    }
    .ds-cta-panel__text h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--ds-text-light);
        margin-bottom: 8px;
    }
    .ds-cta-panel__text p {
        font-size: 14px;
        color: rgba(245, 241, 234, 0.75);
        margin: 0;
        max-width: 520px;
    }
    .ds-footer {
        background: var(--ds-primary-deep);
        color: rgba(245, 241, 234, 0.75);
        padding: 48px 0 24px;
        margin-top: 0;
    }
    .ds-footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 30px;
        margin-bottom: 32px;
    }
    .ds-footer__brand p {
        font-size: 13px;
        color: rgba(245, 241, 234, 0.6);
        margin-top: 12px;
        max-width: 280px;
        line-height: 1.7;
    }
    .ds-logo--footer {
        display: inline-flex;
    }
    .ds-logo--footer .ds-logo__text {
        font-size: 18px;
    }
    .ds-footer__col h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--ds-accent-warm);
        margin-bottom: 14px;
        letter-spacing: 0.06em;
    }
    .ds-footer__col a {
        display: block;
        font-size: 13px;
        color: rgba(245, 241, 234, 0.65);
        margin-bottom: 8px;
        transition: color var(--ds-transition);
    }
    .ds-footer__col a:hover {
        color: var(--ds-accent-warm);
    }
    .ds-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 18px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        font-size: 12px;
        color: rgba(245, 241, 234, 0.5);
    }
    .ds-footer__bottom a {
        color: rgba(245, 241, 234, 0.6);
    }
    .ds-footer__bottom a:hover {
        color: var(--ds-accent-warm);
    }
    @media (max-width: 1024px) {
        :root { --ds-section-pad: 56px; }
        .ds-step-grid { grid-template-columns: repeat(2, 1fr); }
        .ds-card-grid { grid-template-columns: repeat(2, 1fr); }
        .ds-data-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
        .ds-header__cta .ds-status-badge { display: none; }
        .ds-nav__link { padding: 6px 10px; font-size: 13px; }
        .ds-footer__grid { grid-template-columns: 1fr 1fr; }
        .ds-hero h1 { font-size: 32px; }
    }
    @media (max-width: 768px) {
        :root { --ds-section-pad: 44px; }
        .ds-hamburger { display: block; }
        .ds-nav {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(21, 42, 37, 0.98);
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }
        .ds-nav.is-open { display: flex; }
        .ds-nav__link { width: 100%; padding: 12px 16px; font-size: 15px; }
        .ds-nav__link--active::after { display: none; }
        .ds-header__cta .ds-btn { padding: 8px 16px; font-size: 13px; }
        .ds-timeline::before { left: 12px; }
        .ds-timeline__item,
        .ds-timeline__item:nth-child(even) {
            width: 100%;
            margin-left: 0;
            padding-left: 40px;
            padding-right: 0;
        }
        .ds-timeline__node,
        .ds-timeline__item:nth-child(even) .ds-timeline__node {
            right: auto;
            left: 2px;
        }
        .ds-step-grid { grid-template-columns: 1fr; }
        .ds-card-grid { grid-template-columns: 1fr; }
        .ds-data-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .ds-data-item__num { font-size: 28px; }
        .ds-hero { min-height: 320px; padding: 36px 0 44px; }
        .ds-hero h1 { font-size: 28px; }
        .ds-section__title { font-size: 26px; }
        .ds-footer__grid { grid-template-columns: 1fr; gap: 20px; }
        .ds-footer__bottom { flex-direction: column; text-align: center; }
        .ds-cta-panel { flex-direction: column; text-align: center; padding: 28px 20px; }
        .ds-cta-panel__text h3 { font-size: 20px; }
    }
    @media (max-width: 520px) {
        :root { --ds-section-pad: 36px; }
        .ds-container { padding: 0 16px; }
        .ds-hero h1 { font-size: 24px; }
        .ds-hero__desc { font-size: 14px; }
        .ds-btn { padding: 10px 18px; font-size: 13px; }
        .ds-data-grid { grid-template-columns: 1fr 1fr; }
        .ds-data-item__num { font-size: 24px; }
        .ds-timeline__card { padding: 16px 16px; }
        .ds-timeline__title { font-size: 16px; }
        .ds-section__title { font-size: 22px; }
    }

/* roulang page: category4 */
:root {
        --ds-primary: #1f3d36;
        --ds-primary-deep: #152a25;
        --ds-primary-soft: #2c554b;
        --ds-accent: #e0a458;
        --ds-accent-warm: #f2c078;
        --ds-accent-deep: #c98a3d;
        --ds-bg: #f7f3ec;
        --ds-bg-warm: #f1ebdf;
        --ds-text: #22262a;
        --ds-text-soft: #5a605e;
        --ds-text-light: #f5f1ea;
        --ds-text-muted: #a8aaa8;
        --ds-border: rgba(31, 61, 54, 0.14);
        --ds-border-light: rgba(255, 255, 255, 0.18);
        --ds-radius: 8px;
        --ds-radius-lg: 14px;
        --ds-radius-sm: 5px;
        --ds-shadow-sm: 0 2px 8px rgba(31, 61, 54, 0.06);
        --ds-shadow: 0 4px 16px rgba(31, 61, 54, 0.08);
        --ds-shadow-lg: 0 12px 32px rgba(31, 61, 54, 0.12);
        --ds-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --ds-container: 1200px;
        --ds-section-pad: 80px;
        --ds-font-title: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --ds-font-num: "DIN Alternate", "Roboto Mono", "Inter", sans-serif;
    }
    @media (max-width: 1024px) {
        :root { --ds-section-pad: 56px; }
    }
    @media (max-width: 768px) {
        :root { --ds-section-pad: 44px; }
    }
    @media (max-width: 520px) {
        :root { --ds-section-pad: 36px; }
    }

    html {
        font-size: 16px;
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--ds-font-title);
        background-color: var(--ds-bg);
        color: var(--ds-text);
        line-height: 1.75;
        font-weight: 400;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--ds-transition), opacity var(--ds-transition);
    }
    a:hover,
    a:focus {
        color: var(--ds-accent);
        outline: none;
    }
    a:focus-visible {
        outline: 2px solid var(--ds-accent);
        outline-offset: 3px;
        border-radius: 2px;
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    h1, h2, h3, h4, h5, h6 {
        font-family: var(--ds-font-title);
        font-weight: 700;
        line-height: 1.3;
        color: var(--ds-primary);
        margin: 0 0 12px;
    }
    p {
        margin: 0 0 16px;
    }
    ul, ol {
        margin: 0 0 16px;
        padding-left: 22px;
    }

    .ds-container {
        max-width: var(--ds-container);
        margin: 0 auto;
        padding: 0 24px;
    }
    .ds-section {
        padding: var(--ds-section-pad) 0;
        position: relative;
    }
    .ds-section--warm {
        background-color: var(--ds-bg-warm);
    }
    .ds-section--dark {
        background-color: var(--ds-primary);
        color: var(--ds-text-light);
    }
    .ds-section--soft {
        background-color: #faf7f1;
    }
    .ds-section--accent-soft {
        background: linear-gradient(160deg, #fdf8f0 0%, #f9efdd 100%);
        border-top: 1px solid rgba(224, 164, 88, 0.18);
        border-bottom: 1px solid rgba(224, 164, 88, 0.18);
    }
    .ds-section__label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--ds-accent-deep);
        margin-bottom: 10px;
        position: relative;
        padding-left: 18px;
    }
    .ds-section__label::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--ds-accent);
        box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.22);
    }
    .ds-section__title {
        font-size: 32px;
        font-weight: 800;
        letter-spacing: 0.02em;
        line-height: 1.3;
        margin-bottom: 14px;
        color: var(--ds-primary);
    }
    .ds-section--dark .ds-section__title {
        color: var(--ds-text-light);
    }
    .ds-section__desc {
        font-size: 16px;
        color: var(--ds-text-soft);
        max-width: 720px;
        line-height: 1.85;
        margin-bottom: 22px;
    }
    .ds-section--dark .ds-section__desc {
        color: rgba(245, 241, 234, 0.78);
    }
    .ds-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-radius: var(--ds-radius-sm);
        border: 2px solid transparent;
        cursor: pointer;
        transition: all var(--ds-transition);
        text-align: center;
        white-space: nowrap;
        line-height: 1.4;
    }
    .ds-btn--primary {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        border-color: var(--ds-accent);
    }
    .ds-btn--primary:hover {
        background: #edb366;
        border-color: #edb366;
        color: var(--ds-primary-deep);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(224, 164, 88, 0.35);
    }
    .ds-btn--primary:active {
        transform: translateY(0);
        box-shadow: 0 3px 10px rgba(224, 164, 88, 0.25);
    }
    .ds-btn--outline {
        background: transparent;
        color: var(--ds-primary);
        border-color: rgba(31, 61, 54, 0.35);
    }
    .ds-btn--outline:hover {
        border-color: var(--ds-accent);
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.08);
        transform: translateY(-2px);
    }
    .ds-btn--light {
        background: rgba(255, 255, 255, 0.95);
        color: var(--ds-primary);
        border-color: rgba(255, 255, 255, 0.95);
    }
    .ds-btn--light:hover {
        background: #fff;
        color: var(--ds-accent-deep);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
    }
    .ds-btn--ghost-light {
        background: transparent;
        color: rgba(245, 241, 234, 0.9);
        border-color: rgba(245, 241, 234, 0.4);
    }
    .ds-btn--ghost-light:hover {
        border-color: var(--ds-accent-warm);
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.12);
        transform: translateY(-2px);
    }
    .ds-btn--sm {
        padding: 8px 16px;
        font-size: 13px;
    }
    .ds-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 4px 10px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-radius: 999px;
        background: rgba(224, 164, 88, 0.15);
        color: var(--ds-accent-deep);
        border: 1px solid rgba(224, 164, 88, 0.28);
    }
    .ds-badge--solid {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        border-color: var(--ds-accent);
    }
    .ds-badge--dark {
        background: rgba(31, 61, 54, 0.08);
        color: var(--ds-primary);
        border-color: rgba(31, 61, 54, 0.16);
    }
    .ds-badge--light {
        background: rgba(255, 255, 255, 0.14);
        color: var(--ds-text-light);
        border-color: rgba(255, 255, 255, 0.25);
    }

    /* 导航 */
    .ds-header {
        background: var(--ds-primary-deep);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    }
    .ds-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        gap: 20px;
        padding: 8px 0;
    }
    .ds-logo {
        display: inline-flex;
        align-items: center;
        gap: 11px;
        flex-shrink: 0;
    }
    .ds-logo__mark {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        background: linear-gradient(140deg, var(--ds-accent-warm) 0%, var(--ds-accent) 55%, var(--ds-accent-deep) 100%);
        position: relative;
        display: inline-block;
    }
    .ds-logo__mark::after {
        content: "";
        position: absolute;
        left: 8px;
        top: 8px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.35);
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }
    .ds-logo__text {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 0.04em;
        color: #fff;
        line-height: 1.2;
        display: flex;
        flex-direction: column;
    }
    .ds-logo__text small {
        font-size: 10px;
        font-weight: 500;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: rgba(245, 241, 234, 0.65);
    }
    .ds-nav__menu {
        display: flex;
        align-items: center;
        gap: 5px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .ds-nav__link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        letter-spacing: 0.02em;
        color: rgba(245, 241, 234, 0.82);
        border-radius: 6px;
        transition: all var(--ds-transition);
        position: relative;
        white-space: nowrap;
    }
    .ds-nav__link:hover {
        color: var(--ds-accent-warm);
        background: rgba(255, 255, 255, 0.06);
    }
    .ds-nav__link--active {
        color: var(--ds-accent-warm);
        background: rgba(224, 164, 88, 0.12);
        font-weight: 600;
    }
    .ds-nav__link--active::before {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 2px;
        background: var(--ds-accent);
        border-radius: 2px;
    }
    .ds-nav__right {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .ds-nav__countdown {
        display: flex;
        align-items: center;
        gap: 6px;
        font-family: var(--ds-font-num);
        font-size: 13px;
        font-weight: 600;
        color: rgba(245, 241, 234, 0.85);
        background: rgba(255, 255, 255, 0.06);
        padding: 6px 12px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        letter-spacing: 0.04em;
    }
    .ds-nav__countdown i {
        color: var(--ds-accent-warm);
        font-size: 12px;
    }
    .ds-nav__toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #fff;
        width: 42px;
        height: 42px;
        border-radius: 8px;
        font-size: 20px;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: all var(--ds-transition);
    }
    .ds-nav__toggle:hover {
        border-color: var(--ds-accent);
        color: var(--ds-accent);
    }

    /* 面包屑与Hero */
    .ds-hero-mini {
        background: linear-gradient(135deg, var(--ds-primary-deep) 0%, var(--ds-primary) 45%, var(--ds-primary-soft) 100%);
        padding: 64px 0 52px;
        position: relative;
        overflow: hidden;
    }
    .ds-hero-mini::before {
        content: "";
        position: absolute;
        right: -120px;
        top: -80px;
        width: 360px;
        height: 360px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(224, 164, 88, 0.22) 0%, transparent 70%);
        pointer-events: none;
    }
    .ds-hero-mini::after {
        content: "";
        position: absolute;
        right: 80px;
        bottom: -60px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        border: 1px solid rgba(224, 164, 88, 0.18);
        pointer-events: none;
    }
    .ds-hero-mini__inner {
        position: relative;
        z-index: 2;
    }
    .ds-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(245, 241, 234, 0.65);
        margin-bottom: 18px;
        flex-wrap: wrap;
    }
    .ds-breadcrumb a {
        color: rgba(245, 241, 234, 0.65);
    }
    .ds-breadcrumb a:hover {
        color: var(--ds-accent-warm);
    }
    .ds-breadcrumb i {
        font-size: 10px;
        color: rgba(245, 241, 234, 0.4);
    }
    .ds-breadcrumb .ds-breadcrumb__current {
        color: var(--ds-accent-warm);
        font-weight: 600;
    }
    .ds-hero-mini h1 {
        font-size: 36px;
        font-weight: 800;
        letter-spacing: 0.02em;
        color: #fff;
        margin-bottom: 14px;
        line-height: 1.3;
    }
    .ds-hero-mini h1 span {
        color: var(--ds-accent-warm);
    }
    .ds-hero-mini__desc {
        font-size: 16px;
        color: rgba(245, 241, 234, 0.78);
        max-width: 720px;
        line-height: 1.85;
        margin-bottom: 20px;
    }
    .ds-hero-mini__meta {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* 数据速览 */
    .ds-stat-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    .ds-stat-card {
        background: #fff;
        border-radius: var(--ds-radius);
        padding: 26px 20px;
        text-align: center;
        box-shadow: var(--ds-shadow-sm);
        border: 1px solid var(--ds-border);
        transition: all var(--ds-transition);
        position: relative;
        overflow: hidden;
    }
    .ds-stat-card::after {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 3px;
        height: 100%;
        background: var(--ds-accent);
        border-radius: 0 3px 3px 0;
        opacity: 0;
        transition: opacity var(--ds-transition);
    }
    .ds-stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--ds-shadow);
        border-color: rgba(224, 164, 88, 0.35);
    }
    .ds-stat-card:hover::after {
        opacity: 1;
    }
    .ds-stat-card__number {
        font-family: var(--ds-font-num);
        font-size: 38px;
        font-weight: 700;
        color: var(--ds-primary);
        letter-spacing: 0.01em;
        line-height: 1.2;
    }
    .ds-stat-card__number span {
        font-size: 18px;
        color: var(--ds-accent-deep);
        margin-left: 2px;
    }
    .ds-stat-card__label {
        font-size: 14px;
        color: var(--ds-text-soft);
        margin-top: 6px;
        font-weight: 500;
    }

    /* 对比表格 */
    .ds-table-wrap {
        background: #fff;
        border-radius: var(--ds-radius-lg);
        box-shadow: var(--ds-shadow);
        border: 1px solid var(--ds-border);
        overflow: hidden;
    }
    .ds-table-wrap__header {
        padding: 18px 24px;
        background: var(--ds-primary);
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .ds-table-wrap__header h3 {
        color: #fff;
        font-size: 18px;
        margin: 0;
        font-weight: 700;
    }
    .ds-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
        line-height: 1.6;
    }
    .ds-table thead th {
        background: rgba(31, 61, 54, 0.06);
        color: var(--ds-primary);
        font-weight: 700;
        font-size: 13px;
        letter-spacing: 0.03em;
        padding: 14px 16px;
        text-align: left;
        border-bottom: 2px solid var(--ds-accent);
    }
    .ds-table tbody td {
        padding: 14px 16px;
        border-bottom: 1px solid rgba(31, 61, 54, 0.08);
        color: var(--ds-text-soft);
        vertical-align: top;
    }
    .ds-table tbody tr:hover td {
        background: rgba(224, 164, 88, 0.05);
    }
    .ds-table tbody tr:last-child td {
        border-bottom: none;
    }
    .ds-table td:first-child {
        font-weight: 600;
        color: var(--ds-primary);
    }
    .ds-table .ds-table__highlight {
        color: var(--ds-accent-deep);
        font-weight: 600;
    }

    /* 对比列表 */
    .ds-compare-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .ds-compare-card {
        background: #fff;
        border-radius: var(--ds-radius-lg);
        padding: 28px;
        box-shadow: var(--ds-shadow-sm);
        border: 1px solid var(--ds-border);
        transition: all var(--ds-transition);
    }
    .ds-compare-card:hover {
        box-shadow: var(--ds-shadow);
        border-color: rgba(224, 164, 88, 0.3);
    }
    .ds-compare-card--before {
        border-left: 4px solid #b0b5b2;
    }
    .ds-compare-card--after {
        border-left: 4px solid var(--ds-accent);
    }
    .ds-compare-card h4 {
        font-size: 18px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .ds-compare-card h4 i {
        font-size: 14px;
    }
    .ds-compare-card--before h4 i {
        color: #9aa09c;
    }
    .ds-compare-card--after h4 i {
        color: var(--ds-accent-deep);
    }
    .ds-compare-card ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .ds-compare-card ul li {
        padding: 9px 0;
        border-bottom: 1px solid rgba(31, 61, 54, 0.06);
        color: var(--ds-text-soft);
        font-size: 14px;
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .ds-compare-card ul li:last-child {
        border-bottom: none;
    }
    .ds-compare-card ul li i {
        font-size: 12px;
        margin-top: 5px;
        flex-shrink: 0;
    }
    .ds-compare-card--before ul li i {
        color: #b0b5b2;
    }
    .ds-compare-card--after ul li i {
        color: var(--ds-accent-deep);
    }

    /* 图文段落 */
    .ds-media-row {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 40px;
        align-items: center;
    }
    .ds-media-row img {
        border-radius: var(--ds-radius-lg);
        box-shadow: var(--ds-shadow-lg);
        width: 100%;
        height: 320px;
        object-fit: cover;
    }
    .ds-media-row__text p {
        color: var(--ds-text-soft);
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 14px;
    }

    /* 区域数据 */
    .ds-region-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
    }
    .ds-region-card {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: var(--ds-radius);
        padding: 22px 18px;
        text-align: center;
        transition: all var(--ds-transition);
    }
    .ds-region-card:hover {
        background: rgba(255, 255, 255, 0.09);
        border-color: rgba(224, 164, 88, 0.4);
        transform: translateY(-3px);
    }
    .ds-region-card__name {
        font-size: 15px;
        font-weight: 600;
        color: var(--ds-accent-warm);
        margin-bottom: 6px;
    }
    .ds-region-card__number {
        font-family: var(--ds-font-num);
        font-size: 30px;
        font-weight: 700;
        color: #fff;
        line-height: 1.2;
    }
    .ds-region-card__unit {
        font-size: 13px;
        color: rgba(245, 241, 234, 0.6);
        margin-top: 4px;
    }

    /* 流程步骤 */
    .ds-steps {
        display: flex;
        gap: 0;
        margin: 0;
        padding: 0;
        list-style: none;
        flex-wrap: wrap;
    }
    .ds-step {
        flex: 1;
        min-width: 180px;
        position: relative;
        padding: 0 16px 0 0;
    }
    .ds-step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 24px;
        right: 0;
        width: 100%;
        height: 2px;
        background: rgba(31, 61, 54, 0.12);
    }
    .ds-step__index {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--ds-primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--ds-font-num);
        font-weight: 700;
        font-size: 18px;
        margin-bottom: 14px;
        position: relative;
        z-index: 2;
        border: 3px solid #fff;
        box-shadow: 0 2px 8px rgba(31, 61, 54, 0.2);
    }
    .ds-step h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--ds-primary);
        margin-bottom: 8px;
    }
    .ds-step p {
        font-size: 13px;
        color: var(--ds-text-soft);
        line-height: 1.7;
        margin: 0;
    }

    /* FAQ 手风琴 */
    .ds-accordion {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    .ds-accordion-item {
        background: #fff;
        border-radius: var(--ds-radius);
        border: 1px solid var(--ds-border);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--ds-transition);
    }
    .ds-accordion-item:hover {
        border-color: rgba(224, 164, 88, 0.3);
    }
    .ds-accordion-item.is-active {
        border-color: rgba(224, 164, 88, 0.45);
        box-shadow: var(--ds-shadow);
    }
    .ds-accordion-title {
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        padding: 18px 20px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ds-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        transition: color var(--ds-transition);
    }
    .ds-accordion-title:hover {
        color: var(--ds-accent-deep);
    }
    .ds-accordion-item.is-active .ds-accordion-title {
        color: var(--ds-accent-deep);
        background: rgba(224, 164, 88, 0.06);
    }
    .ds-accordion-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(31, 61, 54, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        color: var(--ds-primary);
        transition: all var(--ds-transition);
    }
    .ds-accordion-item.is-active .ds-accordion-icon {
        background: var(--ds-accent);
        color: var(--ds-primary-deep);
        transform: rotate(180deg);
    }
    .ds-accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    .ds-accordion-item.is-active .ds-accordion-content {
        max-height: 400px;
    }
    .ds-accordion-content__inner {
        padding: 0 20px 20px;
        color: var(--ds-text-soft);
        font-size: 14px;
        line-height: 1.8;
    }

    /* CTA区块 */
    .ds-cta-panel {
        background: linear-gradient(140deg, var(--ds-primary-deep) 0%, var(--ds-primary) 55%, var(--ds-primary-soft) 100%);
        border-radius: var(--ds-radius-lg);
        padding: 50px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        flex-wrap: wrap;
        position: relative;
        overflow: hidden;
        box-shadow: var(--ds-shadow-lg);
    }
    .ds-cta-panel::before {
        content: "";
        position: absolute;
        right: -60px;
        top: -60px;
        width: 240px;
        height: 240px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(224, 164, 88, 0.25) 0%, transparent 68%);
    }
    .ds-cta-panel h3 {
        color: #fff;
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 8px;
        position: relative;
        z-index: 1;
    }
    .ds-cta-panel p {
        color: rgba(245, 241, 234, 0.75);
        margin: 0;
        font-size: 15px;
        position: relative;
        z-index: 1;
    }
    .ds-cta-panel__actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    /* 页脚 */
    .ds-footer {
        background: var(--ds-primary-deep);
        color: rgba(245, 241, 234, 0.78);
        padding: 52px 0 0;
    }
    .ds-footer__grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }
    .ds-footer__brand p {
        font-size: 13px;
        color: rgba(245, 241, 234, 0.6);
        margin-top: 12px;
        line-height: 1.7;
        max-width: 300px;
    }
    .ds-logo--footer .ds-logo__text {
        font-size: 18px;
    }
    .ds-footer__col h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--ds-accent-warm);
        margin-bottom: 14px;
        letter-spacing: 0.04em;
    }
    .ds-footer__col a {
        display: block;
        font-size: 13px;
        color: rgba(245, 241, 234, 0.65);
        padding: 5px 0;
        transition: all var(--ds-transition);
    }
    .ds-footer__col a:hover {
        color: var(--ds-accent-warm);
        padding-left: 4px;
    }
    .ds-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 18px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        flex-wrap: wrap;
        font-size: 12px;
        color: rgba(245, 241, 234, 0.45);
    }
    .ds-footer__bottom a {
        color: rgba(245, 241, 234, 0.55);
    }
    .ds-footer__bottom a:hover {
        color: var(--ds-accent-warm);
    }

    /* 移动端导航 */
    .ds-nav__menu-mobile {
        display: none;
        background: var(--ds-primary-deep);
        padding: 12px 0 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .ds-nav__menu-mobile a {
        display: block;
        padding: 12px 24px;
        font-size: 15px;
        color: rgba(245, 241, 234, 0.82);
        border-left: 3px solid transparent;
        transition: all var(--ds-transition);
    }
    .ds-nav__menu-mobile a:hover {
        background: rgba(255, 255, 255, 0.05);
        color: var(--ds-accent-warm);
        border-left-color: var(--ds-accent);
    }
    .ds-nav__menu-mobile a.ds-nav__link--active {
        color: var(--ds-accent-warm);
        border-left-color: var(--ds-accent);
        background: rgba(224, 164, 88, 0.08);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
        .ds-stat-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .ds-media-row {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .ds-media-row img {
            height: 260px;
        }
        .ds-region-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .ds-compare-grid {
            grid-template-columns: 1fr;
        }
        .ds-cta-panel {
            padding: 36px 28px;
        }
    }
    @media (max-width: 768px) {
        .ds-nav__menu {
            display: none;
        }
        .ds-nav__right {
            display: none;
        }
        .ds-nav__toggle {
            display: inline-flex;
        }
        .ds-nav__menu-mobile.open {
            display: block;
        }
        .ds-hero-mini h1 {
            font-size: 26px;
        }
        .ds-section__title {
            font-size: 24px;
        }
        .ds-footer__grid {
            grid-template-columns: 1fr 1fr;
        }
        .ds-steps {
            flex-direction: column;
            gap: 20px;
        }
        .ds-step {
            padding: 0;
        }
        .ds-step:not(:last-child)::after {
            display: none;
        }
    }
    @media (max-width: 520px) {
        .ds-container {
            padding: 0 16px;
        }
        .ds-nav {
            min-height: 60px;
        }
        .ds-logo__text {
            font-size: 17px;
        }
        .ds-hero-mini {
            padding: 40px 0 36px;
        }
        .ds-hero-mini h1 {
            font-size: 22px;
        }
        .ds-stat-grid {
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .ds-stat-card {
            padding: 18px 14px;
        }
        .ds-stat-card__number {
            font-size: 28px;
        }
        .ds-region-grid {
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .ds-footer__grid {
            grid-template-columns: 1fr;
        }
        .ds-footer__bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .ds-table {
            font-size: 12px;
        }
        .ds-table thead th,
        .ds-table tbody td {
            padding: 10px 12px;
        }
        .ds-table-wrap__header {
            padding: 14px 16px;
        }
        .ds-compare-card {
            padding: 20px 16px;
        }
        .ds-cta-panel {
            padding: 28px 20px;
        }
        .ds-cta-panel h3 {
            font-size: 20px;
        }
    }