/* roulang page: index */
:root {
            --color-ink: #1E1E1C;
            --color-ink-2: #22211E;
            --color-warm: #F5F3EF;
            --color-warm-2: #FAF8F4;
            --color-amber: #B8894A;
            --color-amber-2: #C99A62;
            --color-sage: #A3B18A;
            --color-body: #3A3936;
            --color-secondary: #6E6A62;
            --color-muted: #A5A099;
            --color-line: #E7E3DA;
            --color-error: #C25E50;
            --color-warning: #D9A766;
            --color-success: #6F8C6F;
            --radius-lg: 20px;
            --radius-sm: 10px;
            --radius-btn: 6px;
            --shadow-card: 0 1px 3px rgba(30, 30, 28, 0.04), 0 12px 32px -12px rgba(30, 30, 28, 0.08);
            --shadow-hover: 0 24px 48px -24px rgba(30, 30, 28, 0.16);
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
            --duration: 280ms;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-warm);
            color: var(--color-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media(min-width:1024px) {
            .container {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        /* 侧边导航 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--color-ink);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            color: #F0EDE6;
            transition: transform .4s var(--ease);
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 8px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 28px;
        }
        .logo-box {
            width: 40px;
            height: 40px;
            background: var(--color-amber);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: #1E1E1C;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: #F0EDE6;
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .logo-sub {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            font-weight: 400;
            letter-spacing: 0.06em;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .nav-item {
            display: flex;
            align-items: center;
            position: relative;
            min-height: 44px;
            padding: 0 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 400;
            border-radius: 6px;
            transition: background .24s var(--ease), color .24s var(--ease);
        }
        .nav-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%) scaleY(0);
            width: 3px;
            height: 24px;
            background: var(--color-amber);
            border-radius: 0 3px 3px 0;
            transition: transform .28s var(--ease);
        }
        .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-item:hover::before {
            transform: translateY(-50%) scaleY(1);
        }
        .nav-item.active {
            color: #fff;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.03);
        }
        .nav-item.active::before {
            transform: translateY(-50%) scaleY(1);
        }
        .sidebar-contact {
            padding: 20px 14px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
        }

        /* 主内容区 */
        .main-wrapper {
            margin-left: 0;
            min-height: 100vh;
            transition: margin-left .4s var(--ease);
        }
        @media(min-width:1024px) {
            .main-wrapper {
                margin-left: 240px;
            }
        }

        /* 移动端头部 */
        .mobile-header {
            position: sticky;
            top: 0;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            background: var(--color-ink);
            padding: 0 20px;
            color: #F0EDE6;
        }
        @media(min-width:1024px) {
            .mobile-header {
                display: none;
            }
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
        }
        .hamburger-btn {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            color: #F0EDE6;
            cursor: pointer;
            border-radius: 8px;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger-btn:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }

        /* 移动端抽屉 */
        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-ink);
            z-index: 200;
            transform: translateX(100%);
            transition: transform .4s var(--ease);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
            color: #F0EDE6;
        }
        .drawer.open {
            transform: translateX(0);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 190;
            opacity: 0;
            pointer-events: none;
            transition: opacity .4s var(--ease);
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: none;
            border-radius: 50%;
            color: #F0EDE6;
            font-size: 20px;
            cursor: pointer;
            transition: background .24s;
        }
        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .28s var(--ease);
            text-align: center;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--color-ink);
            color: #F0EDE6;
            border-color: var(--color-ink);
        }
        .btn-primary:hover {
            background: var(--color-amber);
            border-color: var(--color-amber);
            color: #1E1E1C;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-ink);
            border-color: rgba(30, 30, 28, 0.25);
        }
        .btn-outline:hover {
            background: rgba(30, 30, 28, 0.05);
            border-color: var(--color-ink);
        }
        .btn-light {
            background: #F0EDE6;
            color: var(--color-ink);
            border-color: #F0EDE6;
        }
        .btn-light:hover {
            background: var(--color-amber);
            border-color: var(--color-amber);
        }

        /* Hero */
        .hero-section {
            background-color: var(--color-ink);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #F0EDE6;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(30, 30, 28, 0.92) 30%, rgba(30, 30, 28, 0.55) 70%, rgba(30, 30, 28, 0.3));
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 48px 80px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        @media(max-width:1023px) {
            .hero-inner {
                grid-template-columns: 1fr;
                padding: 56px 24px 64px;
                gap: 32px;
            }
        }
        @media(max-width:640px) {
            .hero-inner {
                padding: 40px 20px 48px;
            }
        }
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 100px;
            font-size: 13px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-sage);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .hero-title {
            font-size: clamp(2.25rem, 4vw, 3.5rem);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #FAF8F4;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 32px;
            max-width: 440px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 32px 64px -24px rgba(0, 0, 0, 0.5);
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .countdown-card {
            position: absolute;
            right: 16px;
            bottom: 16px;
            background: var(--color-ink-2);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 16px 20px;
            box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6);
            min-width: 218px;
        }
        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .countdown-grid {
            display: flex;
            gap: 10px;
            align-items: flex-end;
        }
        .time-cell {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 10px 0 6px;
            min-width: 56px;
        }
        .time-cell span {
            font-size: 28px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: #FAF8F4;
            line-height: 1;
            display: inline-block;
            transition: transform .24s var(--ease), opacity .24s var(--ease);
        }
        .time-cell small {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .live-started {
            display: none;
            text-align: center;
            padding: 12px 0 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-sage);
        }

        /* 板块 */
        .section-padding {
            padding: 96px 0;
        }
        @media(max-width:1023px) {
            .section-padding {
                padding: 64px 0;
            }
        }
        @media(max-width:640px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--color-amber);
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.75rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--color-ink);
        }
        .section-desc {
            font-size: 15px;
            color: var(--color-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
            border-bottom: 1px solid transparent;
            transition: color .24s, border-color .24s;
            padding-bottom: 2px;
        }
        .more-link:hover {
            color: var(--color-amber);
            border-color: var(--color-amber);
        }

        /* 看点列表 */
        .timeline-list {
            border-top: 1px solid var(--color-line);
        }
        .timeline-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 0 16px;
            min-height: 56px;
            border-bottom: 1px solid var(--color-line);
            transition: background .24s var(--ease);
        }
        .timeline-item:hover {
            background: rgba(30, 30, 28, 0.025);
        }
        .timeline-index {
            width: 36px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            font-variant-numeric: tabular-nums;
            transition: color .24s;
            flex-shrink: 0;
        }
        .timeline-item:hover .timeline-index {
            color: var(--color-amber);
        }
        .timeline-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .timeline-meta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(163, 177, 138, 0.15);
            color: #52643F;
            border: 1px solid rgba(163, 177, 138, 0.35);
            white-space: nowrap;
        }
        .timeline-time {
            font-size: 13px;
            color: var(--color-muted);
            font-variant-numeric: tabular-nums;
        }

        /* 订阅区 */
        .subscribe-section {
            background: var(--color-warm-2);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .subscribe-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            margin-top: 28px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        @media(max-width:640px) {
            .subscribe-form {
                flex-direction: column;
            }
        }
        .subscribe-input {
            flex: 1;
            height: 46px;
            padding: 0 16px;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-btn);
            font-size: 15px;
            background: #fff;
            color: var(--color-ink);
            transition: border-color .24s, box-shadow .24s;
        }
        .subscribe-input:focus {
            outline: none;
            border-color: var(--color-amber);
            box-shadow: 0 0 0 3px rgba(184, 137, 74, 0.15);
        }
        .subscribe-input.error {
            border-color: var(--color-error);
        }

        /* 回放区 */
        .playback-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            padding-left: 2px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .playback-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .playback-scroll::-webkit-scrollbar-track {
            background: rgba(30, 30, 28, 0.04);
            border-radius: 10px;
        }
        .playback-scroll::-webkit-scrollbar-thumb {
            background: rgba(30, 30, 28, 0.15);
            border-radius: 10px;
        }
        .playback-card {
            flex-shrink: 0;
            width: calc((100% - 40px) / 3);
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: transform .32s var(--ease), box-shadow .32s var(--ease);
            display: flex;
            flex-direction: column;
        }
        .playback-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        @media(max-width:1023px) {
            .playback-card {
                width: calc((100% - 20px) / 2);
            }
        }
        @media(max-width:640px) {
            .playback-card {
                width: 86%;
            }
        }
        .playback-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EDEAE3;
        }
        .playback-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s var(--ease);
        }
        .playback-card:hover .playback-cover img {
            transform: scale(1.03);
        }
        .playback-cover .playback-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-ink);
            color: #F0EDE6;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 100px;
            letter-spacing: 0.02em;
        }
        .playback-body {
            padding: 16px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .playback-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.4;
            margin: 0;
            transition: color .24s;
        }
        .playback-card:hover .playback-body h3 {
            color: var(--color-amber);
        }
        .playback-meta {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
        }
        .playback-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 30, 28, 0.06);
            color: var(--color-ink);
            transition: background .24s, transform .24s;
        }
        .playback-card:hover .playback-arrow {
            background: var(--color-amber);
            color: #fff;
            transform: translateX(4px);
        }

        /* CMS 列表 */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-line);
        }
        .cms-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 20px 16px;
            border-bottom: 1px solid var(--color-line);
            transition: background .24s var(--ease);
            border-radius: 0;
        }
        .cms-item:hover {
            background: rgba(30, 30, 28, 0.02);
        }
        .cms-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background: var(--color-warm-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            padding: 8px 4px;
            font-size: 12px;
            color: var(--color-secondary);
            line-height: 1.4;
        }
        .cms-date strong {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            font-variant-numeric: tabular-nums;
        }
        .cms-body {
            flex: 1;
            min-width: 0;
        }
        .cms-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.4;
            margin-bottom: 2px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .24s;
        }
        .cms-item:hover .cms-title {
            color: var(--color-amber);
        }
        .cms-excerpt {
            font-size: 14px;
            color: var(--color-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-side {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .cms-cat {
            font-size: 12px;
            color: var(--color-sage);
            background: rgba(163, 177, 138, 0.12);
            padding: 3px 10px;
            border-radius: 100px;
            font-weight: 500;
            white-space: nowrap;
        }
        .empty-state {
            padding: 56px 24px;
            text-align: center;
            background: #F0EEE9;
            border-radius: var(--radius-lg);
        }
        .empty-icon {
            font-size: 32px;
            color: var(--color-muted);
            margin-bottom: 12px;
        }
        .empty-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 4px;
        }
        .empty-desc {
            font-size: 14px;
            color: var(--color-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--color-line);
            border-radius: 12px;
            background: #fff;
            overflow: hidden;
            transition: box-shadow .28s var(--ease);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color .24s;
        }
        .faq-question:hover {
            color: var(--color-amber);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-warm);
            color: var(--color-ink);
            font-size: 18px;
            font-weight: 400;
            flex-shrink: 0;
            transition: transform .32s var(--ease), background .24s, color .24s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-amber);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .36s var(--ease);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: var(--color-ink);
            color: #F0EDE6;
            text-align: center;
            padding: 80px 24px;
        }
        @media(max-width:640px) {
            .cta-section {
                padding: 56px 20px;
            }
        }
        .cta-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 480px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* 页脚 */
        .footer {
            background: var(--color-ink-2);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 48px 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }
        @media(max-width:1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media(max-width:640px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #F0EDE6;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 8px;
            max-width: 280px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            transition: color .24s;
            padding: 2px 0;
        }
        .footer-links a:hover {
            color: var(--color-amber-2);
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.6);
            transition: color .24s;
        }
        .footer-contact a:hover {
            color: var(--color-amber-2);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 48px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* 滚动出现 */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity .5s var(--ease), transform .5s var(--ease);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 倒计时动画 */
        .time-cell span.tick {
            animation: tickAnim .3s var(--ease);
        }
        @keyframes tickAnim {
            from {
                transform: translateY(20%);
                opacity: 0.3;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        @media(max-width:640px) {
            .timeline-item {
                gap: 12px;
                padding: 0 8px;
            }
            .timeline-meta {
                gap: 6px;
            }
            .timeline-time {
                display: none;
            }
            .cms-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px;
            }
            .cms-side {
                width: 100%;
                justify-content: space-between;
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --color-cream: #F5F3EF;
            --color-cream-light: #FAF8F4;
            --color-charcoal: #1E1E1C;
            --color-charcoal-light: #22211E;
            --color-copper: #B8894A;
            --color-copper-light: #C99A62;
            --color-sage: #A3B18A;
            --color-sage-dark: #6F8C6F;
            --color-text: #3A3936;
            --color-text-secondary: #6E6A62;
            --color-text-weak: #A5A099;
            --color-border: #E7E3DA;
            --color-error: #C25E50;
            --color-warning: #D9A766;
            --radius-lg: 20px;
            --radius-sm: 10px;
            --radius-btn: 6px;
            --shadow-card: 0 1px 3px rgba(30, 30, 28, 0.04), 0 12px 32px -12px rgba(30, 30, 28, 0.08);
            --shadow-float: 0 24px 48px -24px rgba(30, 30, 28, 0.16);
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
            --sidebar-w: 240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-cream);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        @media (max-width: 1023px) {
            .container-page {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (max-width: 639px) {
            .container-page {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        .layout {
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: var(--color-charcoal);
            color: #F5F3EF;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 24px;
            z-index: 50;
            transition: transform 0.35s var(--ease);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 28px;
            border-bottom: 1px solid rgba(245, 243, 239, 0.12);
            margin-bottom: 20px;
        }

        .logo-box {
            width: 34px;
            height: 34px;
            background: var(--color-copper);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .sidebar-brand-text {
            font-size: 17px;
            font-weight: 650;
            letter-spacing: -0.01em;
            color: #F5F3EF;
            white-space: nowrap;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            min-height: 44px;
            padding: 0 12px 0 16px;
            font-size: 15px;
            font-weight: 400;
            color: rgba(245, 243, 239, 0.72);
            border-left: 3px solid transparent;
            border-radius: 0 6px 6px 0;
            transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-item:hover {
            color: rgba(245, 243, 239, 0.95);
            background: rgba(245, 243, 239, 0.04);
            border-left-color: var(--color-copper);
        }

        .nav-item.active {
            color: #fff;
            font-weight: 600;
            border-left-color: var(--color-copper);
            background: rgba(184, 137, 74, 0.1);
        }

        .nav-item:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: -2px;
        }

        .sidebar-contact {
            padding-top: 16px;
            border-top: 1px solid rgba(245, 243, 239, 0.12);
            font-size: 12px;
            color: rgba(245, 243, 239, 0.45);
            line-height: 1.7;
        }

        .sidebar-contact a {
            color: rgba(245, 243, 239, 0.6);
        }

        .sidebar-contact a:hover {
            color: var(--color-copper-light);
        }

        .main-content {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 60;
            height: 60px;
            background: var(--color-charcoal);
            color: #F5F3EF;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 650;
            color: #F5F3EF;
        }

        .mobile-hamburger {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: #F5F3EF;
        }

        .mobile-hamburger:hover {
            background: rgba(245, 243, 239, 0.08);
        }

        .mobile-hamburger:focus-visible {
            outline: 2px solid var(--color-copper-light);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            background: var(--color-charcoal);
            color: #F5F3EF;
            z-index: 80;
            transform: translateX(100%);
            transition: transform 0.35s var(--ease);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(30, 30, 28, 0.5);
            z-index: 70;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s var(--ease);
        }

        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-close {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            align-self: flex-end;
            color: #F5F3EF;
            font-size: 22px;
            background: rgba(245, 243, 239, 0.06);
        }

        .drawer-close:hover {
            background: rgba(245, 243, 239, 0.12);
        }

        .drawer-nav {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-nav .nav-item {
            color: rgba(245, 243, 239, 0.74);
        }

        .drawer-nav .nav-item.active {
            color: #fff;
        }

        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }
        }

        .footer {
            background: var(--color-charcoal);
            color: #F5F3EF;
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 48px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245, 243, 239, 0.55);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 243, 239, 0.9);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(245, 243, 239, 0.55);
            transition: color 0.25s var(--ease);
        }

        .footer-links a:hover {
            color: var(--color-copper-light);
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(245, 243, 239, 0.55);
            line-height: 1.8;
        }

        .footer-contact a {
            color: rgba(245, 243, 239, 0.65);
        }

        .footer-contact a:hover {
            color: var(--color-copper-light);
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 40px auto 0;
            padding: 20px 48px 0;
            border-top: 1px solid rgba(245, 243, 239, 0.1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(245, 243, 239, 0.4);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                padding: 0 24px;
            }

            .footer-bottom {
                padding: 20px 24px 0;
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                padding: 0 20px;
                gap: 28px;
            }

            .footer-bottom {
                padding: 20px 20px 0;
                flex-direction: column;
                gap: 8px;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            background: var(--color-charcoal);
            color: #F5F3EF;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: background 0.3s var(--ease), transform 0.2s var(--ease), box-shadow 0.3s var(--ease);
        }

        .btn-primary:hover {
            background: var(--color-copper);
            box-shadow: var(--shadow-float);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            background: transparent;
            color: var(--color-charcoal);
            border: 1px solid rgba(30, 30, 28, 0.28);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: background 0.3s var(--ease), transform 0.2s var(--ease), border-color 0.3s var(--ease);
        }

        .btn-secondary:hover {
            background: rgba(30, 30, 28, 0.05);
            border-color: rgba(30, 30, 28, 0.4);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: 2px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--color-copper);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(163, 177, 138, 0.18);
            color: #A3B18A;
            border: 1px solid rgba(163, 177, 138, 0.35);
        }

        .badge-live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-sage);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(163, 177, 138, 0.4);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 4px rgba(163, 177, 138, 0);
            }
        }

        .cat-banner {
            position: relative;
            background: var(--color-charcoal);
            color: #F5F3EF;
            padding: 80px 0 72px;
            overflow: hidden;
        }

        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.3;
        }

        .cat-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(30, 30, 28, 0.88) 0%, rgba(30, 30, 28, 0.55) 60%, rgba(30, 30, 28, 0.35) 100%);
        }

        .cat-banner-inner {
            position: relative;
            z-index: 1;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 48px;
        }

        .cat-banner h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin: 12px 0 16px;
        }

        .cat-banner p {
            font-size: 16px;
            color: rgba(245, 243, 239, 0.7);
            max-width: 560px;
            line-height: 1.8;
        }

        .cat-banner .badge-row {
            margin-bottom: 20px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 1023px) {
            .cat-banner-inner {
                padding: 0 24px;
            }
        }

        @media (max-width: 639px) {
            .cat-banner {
                padding: 56px 0 48px;
            }

            .cat-banner-inner {
                padding: 0 20px;
            }
        }

        .feature-split {
            padding: 96px 0;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }

        .feature-text h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--color-charcoal);
            margin-bottom: 20px;
        }

        .feature-text p {
            color: var(--color-text-secondary);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-float);
            position: relative;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform 0.5s var(--ease);
        }

        .feature-image:hover img {
            transform: scale(1.02);
        }

        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .feature-split {
                padding: 64px 0;
            }
        }

        @media (max-width: 639px) {
            .feature-split {
                padding: 48px 0;
            }
        }

        .keypoints-section {
            background: var(--color-cream-light);
            padding: 96px 0;
        }

        .keypoints-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            margin-top: 40px;
        }

        .keypoint-card {
            background: var(--color-cream);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
        }

        .keypoint-card:hover {
            box-shadow: var(--shadow-float);
            transform: translateY(-2px);
        }

        .keypoint-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-charcoal);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .keypoint-card h3::before {
            content: '';
            width: 20px;
            height: 3px;
            background: var(--color-copper);
            border-radius: 2px;
        }

        .keypoint-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .keypoint-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .keypoint-list .point-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(163, 177, 138, 0.25);
            color: var(--color-sage-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .keypoint-list .point-title {
            font-weight: 600;
            color: var(--color-charcoal);
        }

        @media (max-width: 1023px) {
            .keypoints-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .keypoints-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 639px) {
            .keypoints-section {
                padding: 48px 0;
            }

            .keypoint-card {
                padding: 28px 22px;
            }
        }

        .process-section {
            padding: 96px 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 40px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding: 32px 28px;
            background: var(--color-cream-light);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
        }

        .process-step:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .process-step .step-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-copper);
            line-height: 1;
            margin-bottom: 14px;
            font-variant-numeric: tabular-nums;
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-charcoal);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .process-step .step-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%);
            color: var(--color-copper);
            font-size: 20px;
            z-index: 2;
        }

        @media (max-width: 1023px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .process-step .step-arrow {
                display: none;
            }

            .process-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 639px) {
            .process-section {
                padding: 48px 0;
            }
        }

        .faq-section {
            background: var(--color-cream-light);
            padding: 96px 0;
        }

        .faq-wrap {
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-cream);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.3s var(--ease);
        }

        .faq-item.open {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            text-align: left;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-charcoal);
            transition: color 0.25s var(--ease), background 0.25s var(--ease);
        }

        .faq-question:hover {
            background: rgba(30, 30, 28, 0.02);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: -2px;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(184, 137, 74, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-copper);
            flex-shrink: 0;
            transition: transform 0.35s var(--ease);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s var(--ease), padding 0.3s var(--ease);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 1023px) {
            .faq-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 639px) {
            .faq-section {
                padding: 48px 0;
            }

            .faq-question {
                padding: 16px 18px;
            }
        }

        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            background: var(--color-charcoal);
            color: #F5F3EF;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(184, 137, 74, 0.15), transparent 60%);
        }

        .cta-box>* {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(245, 243, 239, 0.7);
            font-size: 15px;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
        }

        .cta-input {
            flex: 1;
            min-height: 44px;
            padding: 0 16px;
            background: rgba(245, 243, 239, 0.1);
            border: 1px solid rgba(245, 243, 239, 0.2);
            border-radius: var(--radius-btn);
            color: #F5F3EF;
            font-size: 14px;
            transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
        }

        .cta-input::placeholder {
            color: rgba(245, 243, 239, 0.4);
        }

        .cta-input:focus {
            outline: none;
            border-color: var(--color-copper-light);
            background: rgba(245, 243, 239, 0.14);
        }

        .cta-input:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: 2px;
        }

        .cta-btn {
            min-height: 44px;
            padding: 0 20px;
            background: var(--color-copper);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            transition: background 0.3s var(--ease), transform 0.2s var(--ease), box-shadow 0.3s var(--ease);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--color-copper-light);
            box-shadow: 0 8px 24px rgba(184, 137, 74, 0.3);
        }

        .cta-btn:active {
            transform: scale(0.98);
        }

        .cta-btn:focus-visible {
            outline: 2px solid var(--color-copper-light);
            outline-offset: 2px;
        }

        @media (max-width: 1023px) {
            .cta-section {
                padding: 64px 0;
            }

            .cta-box {
                padding: 48px 32px;
            }
        }

        @media (max-width: 639px) {
            .cta-section {
                padding: 48px 0;
            }

            .cta-box {
                padding: 40px 24px;
                border-radius: 16px;
            }

            .cta-form {
                flex-direction: column;
                gap: 12px;
            }

            .cta-btn {
                width: 100%;
            }
        }

        .related-section {
            padding: 0 0 80px;
        }

        .related-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 32px;
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            background: var(--color-cream-light);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.25s var(--ease);
        }

        .related-item:hover {
            background: var(--color-cream);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .related-item .related-arrow {
            color: var(--color-copper);
            font-size: 18px;
            margin-left: auto;
            transition: transform 0.25s var(--ease);
        }

        .related-item:hover .related-arrow {
            transform: translateX(4px);
        }

        .related-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-charcoal);
        }

        .related-item p {
            font-size: 13px;
            color: var(--color-text-weak);
        }

        @media (max-width: 639px) {
            .related-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 16px 18px;
            }

            .related-item .related-arrow {
                display: none;
            }
        }

        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            .reveal {
                opacity: 1;
                transform: none;
            }
        }

        .message-tip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: rgba(163, 177, 138, 0.15);
            border: 1px solid rgba(163, 177, 138, 0.35);
            border-radius: 8px;
            color: var(--color-sage-dark);
            font-size: 14px;
            margin-top: 20px;
        }

/* roulang page: article */
:root {
            --warm: #F5F3EF;
            --warmlight: #FAF8F4;
            --ink: #1E1E1C;
            --ink2: #22211E;
            --copper: #B8894A;
            --copperlight: #C99A62;
            --sage: #A3B18A;
            --textmain: #3A3936;
            --textsub: #6E6A62;
            --textweak: #A5A099;
            --divider: #E7E3DA;
            --error: #C25E50;
            --success: #6F8C6F;
            --warn: #D9A766;
            --radius-card: 20px;
            --radius-small: 10px;
            --radius-btn: 6px;
            --shadow-card: 0 1px 3px rgba(30,30,28,0.04), 0 12px 32px -12px rgba(30,30,28,0.08);
            --shadow-hover: 0 24px 48px -24px rgba(30,30,28,0.16);
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
            --sidebar-width: 240px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--warm);
            color: var(--textmain);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul, ol {
            list-style: none;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
        }
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 48px;
        }
        @media (max-width: 1023px) {
            .container {
                padding: 0 24px;
            }
        }

        /* ======== Sidebar ======== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--ink);
            color: #FAF8F4;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 24px;
            z-index: 50;
            overflow-y: auto;
        }
        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 28px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 20px;
        }
        .logo-box {
            width: 36px;
            height: 36px;
            background: var(--copper);
            color: #FAF8F4;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .sidebar-brand span {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #FAF8F4;
            white-space: nowrap;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .nav-item {
            display: flex;
            align-items: center;
            min-height: 44px;
            padding: 0 12px 0 16px;
            color: rgba(250,248,244,0.68);
            font-size: 15px;
            font-weight: 400;
            border-left: 3px solid transparent;
            transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
            position: relative;
            gap: 8px;
            border-radius: 0 8px 8px 0;
        }
        .nav-item::before {
            content: '';
            position: absolute;
            left: -3px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--copper);
            border-radius: 0 3px 3px 0;
            transition: height 0.3s var(--ease);
        }
        .nav-item:hover {
            color: #FAF8F4;
            background: rgba(255,255,255,0.04);
        }
        .nav-item:hover::before {
            height: 24px;
        }
        .nav-item.active {
            color: #FAF8F4;
            font-weight: 600;
            background: rgba(255,255,255,0.04);
            border-left-color: var(--copper);
        }
        .nav-item.active::before {
            height: 24px;
        }
        .sidebar-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 13px;
            color: rgba(250,248,244,0.4);
            line-height: 1.5;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-bottom a {
            color: rgba(250,248,244,0.55);
            transition: color 0.3s var(--ease);
        }
        .sidebar-bottom a:hover {
            color: var(--copperlight);
        }

        /* ======== Mobile Header ======== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 60;
            background: var(--ink);
            color: #FAF8F4;
            height: 60px;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 1px 3px rgba(30,30,28,0.12);
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            color: #FAF8F4;
        }
        .mobile-logo .logo-box {
            width: 30px;
            height: 30px;
            font-size: 11px;
            border-radius: 6px;
        }
        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            color: #FAF8F4;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 8px;
            transition: background 0.3s var(--ease);
        }
        .mobile-menu-btn:hover {
            background: rgba(255,255,255,0.08);
        }
        .mobile-menu-btn:active {
            transform: scale(0.96);
        }

        /* ======== Mobile Drawer ======== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            max-width: 82vw;
            background: var(--ink);
            color: #FAF8F4;
            z-index: 70;
            padding: 24px 20px;
            transform: translateX(100%);
            transition: transform 0.4s var(--ease);
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .drawer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
        }
        .drawer-close {
            width: 48px;
            height: 48px;
            border: none;
            background: rgba(255,255,255,0.06);
            color: #FAF8F4;
            border-radius: 50%;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s var(--ease), transform 0.2s var(--ease);
        }
        .drawer-close:hover {
            background: rgba(255,255,255,0.12);
        }
        .drawer-close:active {
            transform: scale(0.92);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 4px;
        }
        .drawer-nav .nav-item {
            min-height: 48px;
            font-size: 16px;
        }
        .drawer-footer {
            font-size: 13px;
            color: rgba(250,248,244,0.4);
            line-height: 1.6;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 16px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.4);
            z-index: 65;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s var(--ease);
        }
        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ======== Main Wrapper ======== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding: 56px 48px 32px;
            max-width: 1280px;
            width: 100%;
            margin: 0 auto;
        }

        /* ======== Breadcrumb ======== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--textweak);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--textsub);
            transition: color 0.3s var(--ease);
        }
        .breadcrumb a:hover {
            color: var(--copper);
        }
        .breadcrumb .sep {
            color: var(--divider);
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--textsub);
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
        }

        /* ======== Article Header ======== */
        .article-header {
            margin-bottom: 36px;
        }
        .article-header h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.75rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.25;
            color: var(--ink2);
            margin-bottom: 16px;
            max-width: 820px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--textweak);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--textsub);
        }
        .meta-divider {
            color: var(--divider);
        }
        .meta-tag {
            background: rgba(163,177,138,0.18);
            color: #5A6B4D;
            font-size: 13px;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
        }

        /* ======== Cover Image ======== */
        .article-cover {
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-card);
        }
        .article-cover img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }
        @media (max-width: 639px) {
            .article-cover img {
                height: 180px;
            }
        }

        /* ======== Article Body ======== */
        .article-body {
            max-width: 78ch;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--textmain);
            padding-bottom: 48px;
            border-bottom: 1px solid var(--divider);
        }
        .article-body > *:first-child {
            margin-top: 0;
        }
        .article-body h2 {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 56px 0 16px;
            line-height: 1.3;
            color: var(--ink2);
            padding-bottom: 12px;
            border-bottom: 1px solid var(--divider);
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 32px 0 12px;
            line-height: 1.4;
            color: var(--ink2);
        }
        .article-body p {
            margin: 0 0 20px;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 1.5em;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-body ul li::marker {
            color: var(--copper);
        }
        .article-body ol li::marker {
            color: var(--copper);
            font-weight: 600;
        }
        .article-body a {
            color: var(--copper);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(184,137,74,0.4);
            transition: color 0.3s var(--ease), text-decoration-color 0.3s var(--ease);
        }
        .article-body a:hover {
            color: #8a6a35;
            text-decoration-color: #8a6a35;
        }
        .article-body img {
            border-radius: 12px;
            border: 1px solid var(--divider);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body blockquote {
            border-left: 3px solid var(--copper);
            background: var(--warmlight);
            padding: 16px 24px;
            margin: 24px 0;
            color: var(--textsub);
            border-radius: 0 12px 12px 0;
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--divider);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body th {
            background: var(--warmlight);
            font-weight: 600;
            color: var(--ink2);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--divider);
            margin: 32px 0;
        }
        .article-body code {
            background: var(--warmlight);
            border: 1px solid var(--divider);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 0.9em;
        }
        .article-body pre {
            background: var(--ink);
            color: #FAF8F4;
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
            line-height: 1.6;
            font-size: 0.9rem;
        }
        .article-body pre code {
            background: transparent;
            border: none;
            color: inherit;
            padding: 0;
        }

        /* ======== Not Found ======== */
        .not-found {
            text-align: center;
            padding: 80px 24px;
            max-width: 520px;
            margin: 0 auto;
        }
        .not-found h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink2);
            margin-bottom: 12px;
        }
        .not-found p {
            color: var(--textsub);
            margin-bottom: 32px;
            font-size: 16px;
            line-height: 1.6;
        }

        /* ======== Buttons ======== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.2s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease), opacity 0.3s var(--ease);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-dark {
            background: var(--ink);
            color: #FAF8F4;
        }
        .btn-dark:hover {
            background: var(--copper);
            color: #FAF8F4;
            box-shadow: 0 8px 20px -8px rgba(184,137,74,0.5);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--divider);
            color: var(--textmain);
        }
        .btn-outline:hover {
            background: rgba(30,30,28,0.04);
            border-color: var(--textweak);
        }
        .btn-copper {
            background: var(--copper);
            color: #FAF8F4;
        }
        .btn-copper:hover {
            background: var(--copperlight);
            box-shadow: 0 8px 20px -8px rgba(184,137,74,0.55);
        }

        /* ======== Article Nav ======== */
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            margin-bottom: 48px;
        }
        .article-nav-link {
            flex: 1;
            max-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: var(--warmlight);
            border: 1px solid var(--divider);
            border-radius: 12px;
            padding: 16px 20px;
            transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
        }
        .article-nav-link:hover {
            background: #FFFFFF;
            border-color: var(--copperlight);
            box-shadow: var(--shadow-card);
        }
        .article-nav-link:active {
            transform: scale(0.99);
        }
        .article-nav-link .intro {
            font-size: 13px;
            color: var(--textweak);
        }
        .article-nav-link .nav-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink2);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-nav-link .nav-label .nav-arrow {
            color: var(--copper);
            transition: transform 0.3s var(--ease);
        }
        .article-nav-link:hover .nav-label .nav-arrow {
            transform: translateX(2px);
        }
        .article-nav-link.right .nav-label {
            justify-content: flex-end;
        }

        /* ======== Related Posts ======== */
        .related-section {
            margin: 48px 0 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--copper);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .related-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ink2);
            letter-spacing: -0.01em;
            margin-bottom: 24px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--warmlight);
            border: 1px solid var(--divider);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
            box-shadow: var(--shadow-card);
        }
        .related-card:hover {
            border-color: var(--copperlight);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .related-card:hover .related-card-link {
            color: var(--copper);
        }
        .related-card-date {
            font-size: 13px;
            color: var(--textweak);
        }
        .related-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink2);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 44px;
            transition: color 0.3s var(--ease);
        }
        .related-card-desc {
            font-size: 14px;
            color: var(--textsub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 500;
            color: var(--textsub);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.3s var(--ease);
        }
        .related-card-link svg {
            transition: transform 0.3s var(--ease);
        }
        .related-card:hover .related-card-link svg {
            transform: translateX(4px);
        }
        @media (max-width: 1023px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ======== CTA ======== */
        .cta-section {
            margin: 64px 0 0;
            background: var(--ink);
            border-radius: 20px;
            padding: 48px 40px;
            color: #FAF8F4;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(184,137,74,0.08);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: #FAF8F4;
        }
        .cta-section p {
            color: rgba(250,248,244,0.6);
            margin-bottom: 24px;
            font-size: 15px;
            line-height: 1.6;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
        }
        .subscribe-form input {
            flex: 1;
            border: 1px solid rgba(255,255,255,0.15);
            background: rgba(255,255,255,0.06);
            color: #FAF8F4;
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            font-size: 15px;
            transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
        }
        .subscribe-form input::placeholder {
            color: rgba(250,248,244,0.4);
        }
        .subscribe-form input:focus {
            border-color: var(--copper);
            background: rgba(255,255,255,0.08);
            outline: none;
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }
        .subscribe-success {
            display: none;
            align-items: center;
            gap: 8px;
            color: var(--sage);
            font-size: 15px;
            margin-top: 12px;
        }
        .subscribe-form.subscribed .subscribe-success {
            display: flex;
        }
        .subscribe-form.subscribed input {
            border-color: var(--sage);
            color: var(--sage);
        }
        .subscribe-form.subscribed .btn {
            background: rgba(163,177,138,0.2);
            color: var(--sage);
        }
        @media (max-width: 639px) {
            .cta-section {
                padding: 32px 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }

        /* ======== Footer ======== */
        .footer {
            background: var(--ink);
            color: rgba(250,248,244,0.65);
            padding: 48px 48px 24px;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
            gap: 40px;
            max-width: 1280px;
            margin: 0 auto;
        }
        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: #FAF8F4;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(250,248,244,0.45);
            max-width: 240px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(250,248,244,0.85);
            margin-bottom: 12px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(250,248,244,0.5);
            transition: color 0.3s var(--ease);
        }
        .footer-links a:hover {
            color: var(--copperlight);
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 8px;
            color: rgba(250,248,244,0.5);
        }
        .footer-contact a {
            color: rgba(250,248,244,0.65);
            transition: color 0.3s var(--ease);
        }
        .footer-contact a:hover {
            color: var(--copperlight);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(250,248,244,0.35);
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ======== Reveal Animation ======== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        /* ======== Responsive ======== */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .main-content {
                padding: 32px 24px 24px;
            }
            .footer {
                padding: 40px 24px 20px;
            }
        }
        @media (max-width: 639px) {
            .main-content {
                padding: 24px 16px 16px;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .article-header {
                margin-bottom: 24px;
            }
            .article-nav {
                flex-direction: column;
            }
            .article-nav-link {
                max-width: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (min-width: 1024px) and (max-width: 1365px) {
            .main-content {
                padding: 48px 32px 28px;
            }
            .footer {
                padding: 40px 32px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --cream: #F5F3EF;
            --creamLight: #FAF8F4;
            --ink: #1E1E1C;
            --inkSoft: #22211E;
            --copper: #B8894A;
            --copperLight: #C99A62;
            --sage: #A3B18A;
            --body: #3A3936;
            --sub: #6E6A62;
            --weak: #A5A099;
            --line: #E7E3DA;
            --radius-lg: 20px;
            --radius-sm: 10px;
            --radius-btn: 6px;
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
            --duration: 280ms;
            --sidebar-w: 240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, 'PingFang SC', 'HarmonicOS Sans SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--cream);
            color: var(--body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media(min-width:768px) {
            .container-page {
                padding: 0 48px;
            }
        }

        .section-space {
            padding: 64px 0;
        }

        @media(min-width:768px) {
            .section-space {
                padding: 96px 0;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--ink);
            color: #FAF8F4;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--duration) var(--ease), transform 120ms ease, box-shadow var(--duration) var(--ease);
            box-shadow: 0 1px 3px rgba(30, 30, 28, 0.08);
        }

        .btn-primary:hover {
            background: var(--copper);
            box-shadow: var(--shadow-float, 0 12px 24px -12px rgba(184, 137, 74, 0.5));
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 500;
            transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease), transform 120ms ease;
        }

        .btn-outline:hover {
            background: rgba(30, 30, 28, 0.04);
            border-color: var(--weak);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 3px;
        }

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: var(--ink);
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            z-index: 50;
            transition: transform 0.3s var(--ease);
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }

        .logo-box {
            width: 36px;
            height: 36px;
            background: var(--copper);
            color: var(--ink);
            font-weight: 700;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .brand-name {
            color: #FAF8F4;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            min-height: 44px;
            padding: 0 16px;
            color: rgba(250, 248, 244, 0.72);
            font-size: 15px;
            font-weight: 400;
            border-left: 3px solid transparent;
            transition: color 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
            position: relative;
        }

        .nav-item:hover {
            color: #FAF8F4;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-item:hover::before {
            content: '';
            position: absolute;
            left: -3px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--copper);
            border-radius: 0 2px 2px 0;
            animation: navLineGrow 240ms var(--ease);
        }

        .nav-item.active {
            color: #FAF8F4;
            font-weight: 700;
            border-left-color: var(--copper);
        }

        @keyframes navLineGrow {
            from {
                height: 0;
                opacity: 0;
            }
            to {
                height: 24px;
                opacity: 1;
            }
        }

        .nav-item:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .nav-contact {
            padding: 16px 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(250, 248, 244, 0.4);
            font-size: 12px;
            line-height: 1.6;
            word-break: break-all;
        }

        .main-content {
            margin-left: 0;
            min-height: 100vh;
        }

        @media(min-width:1024px) {
            .main-content {
                margin-left: var(--sidebar-w);
            }
        }

        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 60;
        }

        @media(min-width:1024px) {
            .mobile-header {
                display: none;
            }
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            max-width: 85vw;
            background: var(--ink);
            padding: 24px;
            z-index: 100;
            transform: translateX(100%);
            transition: transform 320ms var(--ease);
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-close {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #FAF8F4;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            align-self: flex-end;
            transition: background 240ms var(--ease), transform 120ms ease;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .drawer-close:active {
            transform: scale(0.95);
        }

        .hero-quote {
            background: var(--ink);
            color: #FAF8F4;
            border-radius: 24px;
            overflow: hidden;
            position: relative;
        }

        .hero-quote .eyebrow {
            color: var(--copperLight);
            letter-spacing: 0.08em;
            font-size: 13px;
            font-weight: 600;
        }

        .hero-quote h1 {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.01em;
        }

        .hero-quote .lead {
            font-size: 17px;
            color: rgba(250, 248, 244, 0.78);
            line-height: 1.7;
        }

        .featured-img {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
        }

        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms var(--ease);
        }

        .featured-img:hover img {
            transform: scale(1.02);
        }

        .quote-mark {
            font-size: 72px;
            color: var(--copper);
            line-height: 1;
            font-weight: 700;
        }

        .step-item {
            display: flex;
            gap: 24px;
            padding: 36px 0;
            border-bottom: 1px solid var(--line);
            transition: background 240ms var(--ease);
            border-radius: 8px;
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-item:hover {
            background: var(--creamLight);
            padding-left: 16px;
            padding-right: 16px;
        }

        .step-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--copper);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 72px;
            letter-spacing: -0.02em;
        }

        .step-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .step-body p {
            font-size: 15px;
            color: var(--sub);
            line-height: 1.7;
            max-width: 60ch;
        }

        @media(max-width:640px) {
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .step-num {
                font-size: 32px;
            }
        }

        .tag-sage {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(163, 177, 138, 0.16);
            color: #5F7354;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .tag-copper {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(184, 137, 74, 0.12);
            color: #8F6A3A;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .tip-note {
            display: flex;
            gap: 14px;
            background: rgba(163, 177, 138, 0.12);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border-left: 3px solid var(--sage);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 0;
            cursor: pointer;
            text-align: left;
            width: 100%;
            transition: color 240ms var(--ease);
        }

        .faq-question:hover {
            color: var(--copper);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 4px;
            border-radius: 4px;
        }

        .faq-question .faq-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
        }

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--sub);
            flex-shrink: 0;
            transition: transform 300ms var(--ease), border-color 300ms var(--ease), color 300ms var(--ease);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--copper);
            color: var(--copper);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 360ms var(--ease);
        }

        .faq-answer-inner {
            padding: 0 40px 22px 0;
            color: var(--sub);
            font-size: 15px;
            line-height: 1.7;
        }

        .related-card {
            background: var(--creamLight);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--line);
            transition: box-shadow 320ms var(--ease), transform 320ms var(--ease);
        }

        .related-card:hover {
            box-shadow: var(--shadow-float, 0 24px 48px -24px rgba(30, 30, 28, 0.16));
            transform: translateY(-3px);
        }

        .related-card .arrow {
            transition: transform 240ms var(--ease);
        }

        .related-card:hover .arrow {
            transform: translateX(4px);
        }

        .footer {
            background: var(--ink);
            color: rgba(250, 248, 244, 0.7);
            padding: 64px 0 32px;
            margin-left: 0;
        }

        @media(min-width:1024px) {
            .footer {
                margin-left: var(--sidebar-w);
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media(min-width:768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.2fr;
                gap: 32px;
                padding: 0 48px;
            }
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FAF8F4;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.5);
            margin-top: 12px;
            line-height: 1.7;
            max-width: 220px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(250, 248, 244, 0.9);
            margin-bottom: 14px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.5);
            transition: color 200ms var(--ease);
        }

        .footer-links a:hover {
            color: var(--copperLight);
        }

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 8px;
            color: rgba(250, 248, 244, 0.5);
        }

        .footer-contact a {
            color: rgba(250, 248, 244, 0.7);
        }

        .footer-contact a:hover {
            color: var(--copperLight);
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 48px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(250, 248, 244, 0.35);
        }

        @media(min-width:768px) {
            .footer-bottom {
                padding: 20px 48px 0;
            }
        }

        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 600ms var(--ease), transform 600ms var(--ease);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.45;
            }
        }

        .live-dot {
            animation: pulseDot 1.6s ease-in-out infinite;
        }

/* roulang page: category2 */
:root {
            --bg: #F5F3EF;
            --bg-light: #FAF8F4;
            --ink: #1E1E1C;
            --ink-soft: #22211E;
            --copper: #B8894A;
            --copper-light: #C99A62;
            --sage: #A3B18A;
            --sage-dark: #6F8C6F;
            --tmain: #3A3936;
            --tsub: #6E6A62;
            --tfaint: #A5A099;
            --line: #E7E3DA;
            --danger: #C25E50;
            --warn: #D9A766;
            --success: #6F8C6F;
            --shadow-card: 0 1px 3px rgba(30, 30, 28, 0.04), 0 12px 32px -12px rgba(30, 30, 28, 0.08);
            --shadow-hover: 0 24px 48px -24px rgba(30, 30, 28, 0.16);
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
            --dur: 0.32s;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, 'PingFang SC', 'HarmonicOS Sans SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg);
            color: var(--tmain);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container-page {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 1024px) {
            .container-page {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 240px;
            background: var(--ink);
            color: rgba(255, 255, 255, 0.92);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 28px 20px 24px;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 4px;
            margin-bottom: 36px;
        }

        .logo-box {
            width: 34px;
            height: 34px;
            background: var(--copper);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: #fff;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .sidebar-logo-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #fff;
            line-height: 1.3;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            height: 44px;
            padding: 0 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.78);
            transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
            position: relative;
        }

        .nav-item::before {
            content: '';
            position: absolute;
            left: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--copper-light);
            border-radius: 0 3px 3px 0;
            transition: height var(--dur) var(--ease);
        }

        .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-item:hover::before {
            height: 24px;
        }

        .nav-item.active {
            color: #fff;
            font-weight: 650;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-item.active::before {
            height: 24px;
        }

        .sidebar-contact {
            margin-top: auto;
            padding: 16px 6px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.7;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--ink);
            z-index: 120;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-header .logo-box {
            width: 28px;
            height: 28px;
            font-size: 11px;
            border-radius: 6px;
        }

        .mobile-header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

        .burger-btn {
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 8px;
            color: #fff;
            transition: background var(--dur) var(--ease);
        }

        .burger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .burger-btn:focus-visible {
            outline: 2px solid var(--copper-light);
            outline-offset: 2px;
        }

        .burger-icon {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            position: relative;
            transition: background var(--dur) var(--ease);
        }

        .burger-icon::before,
        .burger-icon::after {
            content: '';
            position: absolute;
            left: 0;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
        }

        .burger-icon::before {
            top: -7px;
        }

        .burger-icon::after {
            top: 7px;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100vh;
            background: var(--ink);
            z-index: 130;
            transition: right var(--dur) var(--ease);
            display: flex;
            flex-direction: column;
            padding: 24px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-close {
            align-self: flex-end;
            width: 44px;
            height: 44px;
            border: none;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            margin-bottom: 20px;
            transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .drawer-close:active {
            transform: scale(0.94);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .drawer-nav .nav-item {
            font-size: 16px;
        }

        .drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 125;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--dur) var(--ease);
        }

        .drawer-backdrop.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Main layout ===== */
        .main-wrap {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }

            .container-page {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ===== Section labels ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--copper);
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.75rem, 2.4vw, 2.25rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin-top: 10px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--tsub);
            font-size: 15px;
            line-height: 1.75;
            max-width: 640px;
            margin-top: 12px;
        }

        /* ===== Hero banner ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(105deg, rgba(30, 30, 28, 0.92) 0%, rgba(30, 30, 28, 0.78) 60%, rgba(30, 30, 28, 0.5) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 92px 0 84px;
            color: #fff;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(4px);
        }

        .category-hero h1 {
            font-size: clamp(2.25rem, 4vw, 3.5rem);
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.18;
            margin: 20px 0 14px;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.76);
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .hero-actions .btn-primary {
            background: var(--copper);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
        }

        .hero-actions .btn-primary:hover {
            background: var(--copper-light);
        }

        .hero-actions .btn-primary:active {
            transform: scale(0.98);
        }

        .hero-actions .btn-primary:focus-visible,
        .hero-actions .btn-ghost:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .hero-actions .btn-ghost {
            background: transparent;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 12px 24px;
            border-radius: 6px;
            font-size: 15px;
            cursor: pointer;
            transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
        }

        .hero-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .hero-actions .btn-ghost:active {
            transform: scale(0.98);
        }

        /* ===== Timeline ===== */
        .timeline-section {
            padding: 96px 0 80px;
        }

        .timeline-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            margin-top: 52px;
        }

        .timeline-list {
            position: relative;
            padding-left: 32px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--line);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-marker {
            position: absolute;
            left: -32px;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg);
            border: 3px solid var(--copper);
            box-shadow: 0 0 0 4px rgba(184, 137, 74, 0.12);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--copper);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .timeline-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--tsub);
            max-width: 480px;
        }

        .timeline-intro {
            position: sticky;
            top: 40px;
            align-self: start;
        }

        .timeline-intro .quote-block {
            border-left: 3px solid var(--copper);
            padding-left: 20px;
            font-size: 18px;
            line-height: 1.8;
            color: var(--tmain);
            margin-top: 24px;
        }

        .timeline-intro .quote-block strong {
            color: var(--ink);
            font-weight: 700;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--ink);
            padding: 90px 0;
            color: #fff;
        }

        .steps-section .section-label {
            color: var(--copper-light);
        }

        .steps-section .section-label::before {
            background: var(--copper-light);
        }

        .steps-section .section-title {
            color: #fff;
        }

        .steps-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 56px;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 32px 24px;
            transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 24px 40px -24px rgba(0, 0, 0, 0.5);
        }

        .step-card .step-num {
            font-size: 42px;
            font-weight: 700;
            line-height: 1;
            color: rgba(255, 255, 255, 0.15);
            font-variant-numeric: tabular-nums;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
        }

        .step-card .step-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .step-card .step-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        @media (max-width: 1023px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .timeline-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .timeline-intro {
                position: static;
            }
        }

        /* ===== Feature wide ===== */
        .wide-feature {
            padding: 100px 0;
        }

        .wide-feature-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .wide-feature-media {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .wide-feature-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s var(--ease);
        }

        .wide-feature-media:hover img {
            transform: scale(1.03);
        }

        .wide-feature-text .quote-mark {
            font-size: 56px;
            line-height: 1;
            color: var(--copper);
            font-weight: 700;
            display: block;
            margin-bottom: -6px;
        }

        .wide-feature-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin: 16px 0 12px;
            line-height: 1.4;
        }

        .wide-feature-text p {
            color: var(--tsub);
            font-size: 15px;
            line-height: 1.8;
        }

        .wide-feature-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .wide-feature-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--tmain);
            list-style: none;
        }

        .wide-feature-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--sage);
            margin-top: 10px;
            flex-shrink: 0;
        }

        /* ===== Value points ===== */
        .values-section {
            padding: 0 0 100px;
        }

        .values-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            background: var(--bg-light);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 56px;
            box-shadow: var(--shadow-card);
        }

        .values-left {
            border-right: 1px solid var(--line);
            padding-right: 44px;
        }

        .values-left .big-number {
            font-size: 56px;
            font-weight: 700;
            color: var(--copper);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.03em;
        }

        .values-left h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 16px 0 10px;
        }

        .values-left p {
            color: var(--tsub);
            font-size: 14px;
            line-height: 1.75;
        }

        .values-right {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 26px;
        }

        .value-row {
            display: flex;
            gap: 16px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--line);
        }

        .value-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .value-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(163, 177, 138, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--sage-dark);
        }

        .value-row h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .value-row p {
            font-size: 14px;
            color: var(--tsub);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .values-grid {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }

            .values-left {
                border-right: none;
                border-bottom: 1px solid var(--line);
                padding-right: 0;
                padding-bottom: 28px;
            }

            .wide-feature-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .wide-feature-media img {
                height: 260px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding: 96px 0;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 48px auto 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
        }

        .faq-item:hover {
            border-color: rgba(184, 137, 74, 0.35);
            box-shadow: 0 8px 24px -12px rgba(30, 30, 28, 0.1);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            text-align: left;
            transition: background var(--dur) var(--ease);
        }

        .faq-question:hover {
            background: rgba(245, 243, 239, 0.5);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: -2px;
            border-radius: 12px;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--copper);
            transition: transform 0.3s var(--ease), background var(--dur) var(--ease);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--copper);
            color: #fff;
            border-color: var(--copper);
        }

        .faq-answer-wrap {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.35s var(--ease);
        }

        .faq-item.open .faq-answer-wrap {
            grid-template-rows: 1fr;
        }

        .faq-answer {
            overflow: hidden;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--tsub);
            border-top: 1px solid var(--line);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 92px 0;
            text-align: center;
            background: var(--ink);
            color: #fff;
        }

        .cta-section h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 30px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-copper {
            background: var(--copper);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
        }

        .btn-copper:hover {
            background: var(--copper-light);
            box-shadow: 0 8px 20px -8px rgba(184, 137, 74, 0.6);
        }

        .btn-copper:active {
            transform: scale(0.98);
        }

        .btn-copper:focus-visible,
        .btn-outline-light:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: rgba(255, 255, 255, 0.9);
            padding: 13px 32px;
            border-radius: 6px;
            font-size: 15px;
            cursor: pointer;
            transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:active {
            transform: scale(0.98);
        }

        /* ===== Related links ===== */
        .related-section {
            padding: 80px 0 96px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .related-card {
            background: var(--bg-light);
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 28px 24px;
            transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(184, 137, 74, 0.3);
        }

        .related-card .related-icon {
            font-size: 24px;
            margin-bottom: 14px;
            color: var(--copper);
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .related-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--tsub);
        }

        .related-card .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--copper);
            margin-top: 16px;
            transition: gap var(--dur) var(--ease), color var(--dur) var(--ease);
        }

        .related-card .related-link:hover {
            gap: 10px;
            color: var(--copper-light);
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 14px;
            max-width: 260px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
        }

        .footer-links a:hover {
            color: var(--copper-light);
            padding-left: 4px;
        }

        .footer-links a:focus-visible {
            outline: 2px solid var(--copper-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 6px;
            line-height: 1.7;
        }

        .footer-contact a {
            color: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
        }

        .footer-contact a:hover {
            color: var(--copper-light);
            border-color: var(--copper-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg);
        }

        ::-webkit-scrollbar-thumb {
            background: #d0cabd;
            border-radius: 6px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--copper-light);
        }