/* roulang page: index */
:root {
            --brand: #0E2A24;
            --brand-dark: #0B1F1B;
            --brand-light: #1A3A32;
            --gold: #C8A24B;
            --gold-light: #D9B96A;
            --gold-dark: #A8863A;
            --paper: #F6F3EC;
            --paper-dark: #EFE8DB;
            --ink: #1A1D1B;
            --ink-secondary: #6B7280;
            --accent: #2DD4BF;
            --border: rgba(14, 42, 36, 0.12);
            --radius-card: 14px;
            --radius-img: 12px;
            --shadow: 0 10px 30px rgba(11, 31, 27, 0.08);
            --shadow-hover: 0 18px 40px rgba(11, 31, 27, 0.14);
            --font-sans: 'Noto Sans SC', 'Manrope', 'Inter', sans-serif;
            --font-display: 'Manrope', 'Noto Sans SC', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            display: block;
            max-width: 100%;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input,
        textarea,
        select {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 48px;
                padding-right: 48px;
            }
        }
        .section {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        @media (min-width: 768px) {
            .section {
                padding-top: 96px;
                padding-bottom: 96px;
            }
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #4B5563;
            padding: 8px 4px;
            position: relative;
            transition: color .2s ease;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--gold-dark);
        }
        .nav-link.active {
            color: var(--brand);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            border-radius: 999px;
            border: none;
            height: 48px;
            transition: all .25s ease;
            box-shadow: 0 4px 14px rgba(200, 162, 75, 0.3);
            letter-spacing: -0.01em;
        }
        .btn-primary:hover {
            background: var(--gold-light);
            box-shadow: 0 8px 24px rgba(200, 162, 75, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #F9F7F2;
            font-weight: 500;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            height: 48px;
            transition: all .25s ease;
            letter-spacing: -0.01em;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--brand);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 999px;
            border: 1px solid var(--border);
            height: 48px;
            transition: all .25s ease;
        }
        .btn-outline-dark:hover {
            background: rgba(14, 42, 36, 0.04);
            border-color: var(--brand);
        }
        /* Hero */
        .hero-section {
            background-color: var(--brand);
            position: relative;
            min-height: 640px;
            overflow: hidden;
        }
        .hero-grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .hero-glow {
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(200, 162, 75, 0.18) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .phone-mockup {
            width: 320px;
            height: 600px;
            background: #1a1a1a;
            border-radius: 40px;
            border: 6px solid #333;
            position: relative;
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
            overflow: hidden;
        }
        .phone-mockup::before {
            content: '';
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 5px;
            background: #000;
            border-radius: 10px;
            z-index: 10;
        }
        .phone-mockup::after {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 10px;
            z-index: 10;
        }
        .phone-screen {
            position: absolute;
            inset: 0;
            border-radius: 34px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }
        .phone-screen::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.6) 100%);
        }
        .phone-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: transform .3s ease, box-shadow .3s ease;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .phone-play-btn:hover {
            transform: translate(-50%, -50%) scale(1.06);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        .phone-play-btn i {
            color: var(--brand);
            font-size: 22px;
            margin-left: 4px;
        }
        .scroll-indicator {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            z-index: 5;
        }
        .scroll-indicator .line {
            width: 1px;
            height: 40px;
            background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.6));
            margin-top: 8px;
            position: relative;
            overflow: hidden;
        }
        .scroll-indicator .line::after {
            content: '';
            position: absolute;
            top: -100%;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gold);
            animation: scrollLine 2s ease-in-out infinite;
        }
        @keyframes scrollLine {
            0% {
                top: -100%;
            }
            60%,
            100% {
                top: 100%;
            }
        }
        /* stats */
        .stat-number {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--gold);
            letter-spacing: -0.02em;
        }
        .trust-bar {
            border-bottom: 1px solid var(--border);
        }
        /* horizontal scroll */
        .h-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .h-scroll::-webkit-scrollbar {
            display: none;
        }
        .h-scroll-item {
            scroll-snap-align: start;
            flex-shrink: 0;
        }
        .card-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            transition: all .3s ease;
        }
        .card-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .cover-card {
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
        }
        .cover-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .cover-card:hover img {
            transform: scale(1.03);
        }
        .cover-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.7) 100%);
        }
        /* section titles */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 32px;
            }
        }
        .section-sub {
            color: var(--ink-secondary);
            font-size: 15px;
        }
        .gold-line {
            width: 40px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }
        /* checklist */
        .check-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 8px;
            color: var(--ink);
            font-size: 15px;
        }
        .check-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--gold);
            font-weight: 700;
            font-size: 16px;
        }
        /* testimonial */
        .testimonial-track {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            animation: scrollLeft 40s linear infinite;
            padding-bottom: 8px;
        }
        .testimonial-track:hover {
            animation-play-state: paused;
        }
        .testimonial-track::-webkit-scrollbar {
            display: none;
        }
        @keyframes scrollLeft {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .testimonial-card {
            min-width: 320px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(4px);
            transition: background .3s ease;
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.14);
        }
        /* faq */
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--brand);
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--gold-dark);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            transition: transform .4s ease, background .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            background: var(--gold);
            color: #fff;
            border-color: var(--gold);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            color: var(--ink-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
        }
        /* fade up */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .5s ease, transform .5s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        /* footer */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
        }
        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color .2s ease;
            display: block;
            padding: 4px 0;
        }
        .footer-link:hover {
            color: var(--gold-light);
        }
        .copyright-bar {
            border-top: 1px solid rgba(200, 162, 75, 0.3);
        }
        /* mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            max-width: 360px;
            background: var(--paper);
            z-index: 200;
            transform: translateX(100%);
            transition: transform .35s ease;
            display: flex;
            flex-direction: column;
            padding: 32px 28px;
            box-shadow: -20px 0 60px rgba(0, 0, 0, 0.15);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 199;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav-link {
            display: block;
            font-size: 19px;
            font-weight: 600;
            color: var(--ink);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: color .2s ease;
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--gold-dark);
        }
        /* input */
        .form-input {
            width: 100%;
            height: 48px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 0 16px;
            font-size: 15px;
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
        }
        .form-input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(200, 162, 75, 0.15);
        }
        /* badge */
        .badge-pill {
            display: inline-block;
            background: rgba(14, 42, 36, 0.06);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 6px;
            letter-spacing: 0.02em;
        }
        .badge-gold {
            display: inline-block;
            background: rgba(200, 162, 75, 0.18);
            color: var(--gold-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 6px;
        }
        /* cta */
        .cta-section {
            background: var(--brand);
            position: relative;
            overflow: hidden;
        }
        .cta-glow {
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(200, 162, 75, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        /* news list */
        .news-main-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: all .3s ease;
        }
        .news-main-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            border-radius: 12px;
            transition: background .2s ease, transform .2s ease;
            align-items: center;
        }
        .news-list-item:hover {
            background: #fff;
            transform: translateX(4px);
            box-shadow: var(--shadow);
        }
        /* responsive */
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
            .mobile-hamburger {
                display: flex !important;
            }
        }
        @media (min-width: 1025px) {
            .mobile-hamburger {
                display: none !important;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-section {
                min-height: auto;
                padding-top: 48px;
                padding-bottom: 64px;
            }
            .phone-mockup {
                width: 240px;
                height: 460px;
                margin-top: 40px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .phone-mockup {
                width: 200px;
                height: 400px;
            }
            .testimonial-card {
                min-width: 280px;
            }
        }
        /* misc */
        .text-gradient-gold {
            background: linear-gradient(135deg, #D9B96A, #A8863A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hover-card-lift {
            transition: all .3s ease;
        }
        .hover-card-lift:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .mask-bottom {
            mask-image: linear-gradient(180deg, transparent 60%, black 100%);
            -webkit-mask-image: linear-gradient(180deg, transparent 60%, black 100%);
        }
        .scrollbar-hide {
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }

/* roulang page: category1 */
:root {
    --brand: #0E2A24;
    --gold: #C8A24B;
    --paper: #F6F3EC;
    --paper-dark: #EDE9DF;
    --ink: #1A1D1B;
    --subtle: #6B7280;
    --accent: #2DD4BF;
    --deep: #0B1F1B;
    --radius: 14px;
    --radius-img: 12px;
    --shadow: 0 10px 30px rgba(11,31,27,0.08);
    --shadow-hover: 0 18px 40px rgba(11,31,27,0.14);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Noto Sans SC', ui-sans-serif, system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
  button { font-family: inherit; cursor: pointer; }

  .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
  @media (min-width: 768px) { .container { padding: 0 32px; } }
  @media (min-width: 1280px) { .container { padding: 0 48px; } }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(14,42,36,0.08);
  }
  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    padding: 6px 2px;
    position: relative;
    white-space: nowrap;
  }
  .nav-link:hover { color: var(--gold); }
  .nav-link.active { color: var(--brand); font-weight: 700; }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%; height: 2px;
    background: var(--gold);
    border-radius: 2px;
  }

  /* Buttons */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gold);
    color: var(--brand);
    font-weight: 600;
    font-size: 15px;
    height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    transition: all 0.3s ease;
    border: none;
    line-height: 1;
  }
  .btn-primary:hover {
    background: #d6b45e;
    box-shadow: 0 10px 25px rgba(200,162,75,0.28);
    transform: translateY(-1px);
  }
  .btn-primary:active { transform: scale(0.98); }
  .btn-primary:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

  .btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-weight: 500;
    font-size: 15px;
    height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.6);
    transition: all 0.3s ease;
  }
  .btn-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    color: var(--brand);
    font-weight: 600;
    font-size: 14px;
    height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    border: 1px solid rgba(14,42,36,0.25);
    transition: all 0.3s ease;
  }
  .btn-outline:hover { background: rgba(14,42,36,0.05); border-color: var(--brand); }

  /* Hero */
  .category-hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    background: var(--brand);
  }
  .category-hero .bg-layer {
    position: absolute; inset: 0;
    overflow: hidden;
  }
  .category-hero .bg-layer img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.3;
  }
  .category-hero .bg-layer::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(14,42,36,0.95) 0%, rgba(14,42,36,0.75) 60%, rgba(11,31,27,0.6) 100%);
  }
  .category-hero .hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
  }

  .gold-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
  }
  .gold-label::before {
    content: '';
    width: 28px; height: 1px;
    background: var(--gold);
    display: inline-block;
  }

  /* Anchor nav */
  .anchor-nav {
    background: var(--paper);
    border-bottom: 1px solid rgba(14,42,36,0.08);
    position: sticky;
    top: 72px;
    z-index: 40;
  }
  .anchor-chip {
    display: inline-flex;
    align-items: center;
    padding: 7px 18px;
    border-radius: 999px;
    background: rgba(14,42,36,0.06);
    color: var(--brand);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.25s;
  }
  .anchor-chip:hover { background: var(--gold); color: var(--brand); }
  .no-scrollbar::-webkit-scrollbar { display: none; }
  .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

  /* Section */ 
  .section { padding: 56px 0; }
  @media (min-width: 768px) { .section { padding: 80px 0; } }
  @media (min-width: 1024px) { .section { padding: 96px 0; } }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Manrope', sans-serif;
  }
  .section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--brand);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-top: 8px;
  }
  @media (min-width: 768px) { .section-title { font-size: 32px; } }
  .section-desc {
    color: var(--subtle);
    font-size: 15px;
    line-height: 1.7;
    margin-top: 12px;
  }

  /* Feature cards */
  .feature-card {
    background: #fff;
    border: 1px solid rgba(14,42,36,0.08);
    border-radius: 14px;
    padding: 28px 24px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
  }
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .feature-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: rgba(14,42,36,0.06);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    font-size: 20px;
    margin-bottom: 18px;
  }

  /* Product card */
  .product-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(14,42,36,0.08);
    transition: all 0.35s ease;
    box-shadow: 0 2px 12px rgba(11,31,27,0.04);
  }
  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .product-card .thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
  }
  .product-card .thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .product-card:hover .thumb img { transform: scale(1.05); }
  .product-card .thumb::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(11,31,27,0.78) 0%, rgba(11,31,27,0.15) 50%, transparent 100%);
  }
  .product-card .badge {
    position: absolute;
    top: 14px; right: 14px;
    z-index: 2;
    background: var(--gold);
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
  }
  .product-card .info {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 18px;
    z-index: 2;
  }
  .product-card .info h3 {
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 4px;
  }
  .product-card .info p {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
  }

  /* Process */
  .process-step {
    position: relative;
    background: #fff;
    border: 1px solid rgba(14,42,36,0.08);
    border-radius: 14px;
    padding: 28px 24px;
    transition: all 0.3s ease;
  }
  .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .step-num {
    font-family: 'Manrope', sans-serif;
    font-size: 34px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 12px;
    line-height: 1;
  }
  .process-step h3 { font-size: 18px; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
  .process-step p { font-size: 14px; color: var(--subtle); }

  /* Scenario */
  .scenario-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #fff;
    border: 1px solid rgba(14,42,36,0.08);
    border-radius: 14px;
    padding: 24px;
    transition: all 0.3s ease;
  }
  .scenario-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
  .scenario-icon {
    width: 48px; height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(200,162,75,0.12);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    font-size: 18px;
  }
  .scenario-card h3 { font-size: 17px; font-weight: 700; color: var(--brand); margin-bottom: 6px; }
  .scenario-card p { font-size: 14px; color: var(--subtle); line-height: 1.65; }

  /* FAQ */
  .faq-item {
    background: #fff;
    border: 1px solid rgba(14,42,36,0.08);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s;
  }
  .faq-item:hover { box-shadow: var(--shadow); }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--brand);
    transition: color 0.25s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
  }
  .faq-question:hover { color: var(--gold); }
  .faq-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(14,42,36,0.06);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    font-size: 14px;
    transition: transform 0.35s ease;
    flex-shrink: 0;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--subtle);
    font-size: 15px;
    line-height: 1.7;
  }

  /* CTA */
  .cta-section {
    background: var(--deep);
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -120px; right: -80px;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(200,162,75,0.16) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -160px; left: -60px;
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(45,212,191,0.1) 0%, transparent 70%);
    pointer-events: none;
  }

  /* Footer */
  .site-footer {
    background: var(--deep);
    color: rgba(255,255,255,0.6);
  }
  .footer-title {
    color: #F9F7F2;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .footer-link {
    display: block;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    padding: 3px 0;
    transition: color 0.2s;
  }
  .footer-link:hover { color: var(--gold); }

  /* Mobile drawer */
  .mobile-drawer {
    position: fixed;
    top: 0; right: -100%;
    width: 100%; height: 100%;
    background: var(--paper);
    z-index: 150;
    transition: right 0.35s ease;
    display: flex;
    flex-direction: column;
  }
  .mobile-drawer.open { right: 0; }
  .mobile-drawer .drawer-head {
    height: 72px;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid rgba(14,42,36,0.08);
  }
  .mobile-drawer .drawer-nav { flex: 1; overflow-y: auto; padding: 20px; }
  .mobile-drawer .drawer-link {
    display: block;
    font-size: 19px;
    font-weight: 500;
    color: var(--ink);
    padding: 14px 8px;
    border-bottom: 1px solid rgba(14,42,36,0.06);
  }
  .mobile-drawer .drawer-link.active { color: var(--gold); font-weight: 700; }

  /* Fade-up animation */
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .fade-up.visible { opacity: 1; transform: translateY(0); }
  @media (max-width: 767px) {
    .fade-up { transition: opacity 0.4s ease; transform: none; }
  }

  /* Focus visibility */
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

/* roulang page: article */
:root {
            --brand: #0E2A24;
            --brand-dark: #0B1F1B;
            --gold: #C8A24B;
            --paper: #F6F3EC;
            --pap-dark: #EDE8DC;
            --ink: #1A1D1B;
            --muted: #6B7280;
            --accent: #2DD4BF;
            --border: rgba(14, 42, 36, 0.12);
            --radius: 14px;
            --shadow: 0 10px 30px rgba(11, 31, 27, 0.08);
            --shadow-hover: 0 18px 40px rgba(11, 31, 27, 0.14);
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        @media (max-width: 640px) {
            .container { padding: 0 20px; }
        }

        .font-display { font-family: 'Manrope', 'Noto Sans SC', sans-serif; }
        .font-800 { font-weight: 800; }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-link {
            color: rgba(26, 29, 27, 0.78);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            transition: color 0.25s;
            white-space: nowrap;
        }

        .nav-link:hover { color: var(--gold); }
        .nav-link.active { color: var(--brand); font-weight: 700; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .mobile-hamburger { display: none; }

        @media (max-width: 767px) {
            .desktop-nav { display: none !important; }
            .mobile-hamburger { display: flex; }
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: var(--brand);
            font-weight: 600;
            border-radius: 999px;
            height: 48px;
            padding: 0 32px;
            font-size: 15px;
            transition: all 0.25s;
            cursor: pointer;
            border: none;
            text-decoration: none;
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #d4ae56;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(200, 162, 75, 0.3);
        }
        .btn-primary:active { transform: scale(0.98); }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--brand);
            font-weight: 600;
            border-radius: 999px;
            height: 48px;
            padding: 0 32px;
            font-size: 15px;
            border: 1px solid rgba(14, 42, 36, 0.35);
            transition: all 0.25s;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover { background: rgba(14, 42, 36, 0.05); border-color: var(--brand); }
        .btn-secondary:active { transform: scale(0.98); }

        @media (max-width: 640px) {
            .btn-primary, .btn-secondary { width: 100%; }
        }

        /* ===== 标签 ===== */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(14, 42, 36, 0.06);
            color: var(--brand);
            transition: all 0.2s;
        }

        .tag-pill:hover { background: rgba(200, 162, 75, 0.18); color: var(--brand); }

        .tag-pill-gold {
            background: rgba(200, 162, 75, 0.16);
            color: #8a6d2f;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb { font-size: 14px; color: var(--muted); }
        .breadcrumb a { color: var(--muted); transition: color 0.2s; }
        .breadcrumb a:hover { color: var(--gold); }
        .breadcrumb .sep { margin: 0 10px; color: #c9c4b8; }

        /* ===== 正文排版 ===== */
        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: #23272a;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--brand);
            margin: 42px 0 16px;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand);
            margin: 32px 0 12px;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand);
            margin: 24px 0 10px;
        }

        .article-content p { margin-bottom: 20px; }

        .article-content a {
            color: #0f766e;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }

        .article-content a:hover { color: var(--gold); }

        .article-content blockquote {
            border-left: 3px solid var(--gold);
            background: rgba(200, 162, 75, 0.08);
            padding: 18px 24px;
            font-style: italic;
            margin: 28px 0;
            border-radius: 0 10px 10px 0;
            color: #4b5563;
        }

        .article-content ul,
        .article-content ol {
            margin: 20px 0;
            padding-left: 22px;
        }

        .article-content ul li {
            position: relative;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content ul li::before {
            content: '';
            position: absolute;
            left: -18px;
            top: 12px;
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
        }

        .article-content ol li { padding-left: 4px; margin-bottom: 8px; }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content table th {
            background: rgba(14, 42, 36, 0.04);
            font-weight: 600;
            color: var(--brand);
        }

        .article-content img {
            border-radius: 12px;
            max-width: 100%;
            height: auto;
            margin: 24px 0;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 40px 0;
        }

        /* ===== 上/下篇卡片 ===== */
        .card-prenext {
            display: block;
            padding: 20px 24px;
            border-radius: var(--radius);
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.3s;
            text-decoration: none;
        }

        .card-prenext:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(200, 162, 75, 0.4);
        }

        /* ===== 相关推荐 ===== */
        .related-card {
            display: block;
            border-radius: var(--radius);
            background: #fff;
            border: 1px solid var(--border);
            overflow: hidden;
            text-decoration: none;
            transition: all 0.3s;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .related-card .cover-img {
            overflow: hidden;
        }

        .related-card .cover-img img {
            transition: transform 0.5s ease;
        }

        .related-card:hover .cover-img img { transform: scale(1.04); }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: box-shadow 0.3s, border-color 0.3s;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand);
            padding: 20px 24px;
        }

        .faq-item summary::-webkit-details-marker { display: none; }

        .faq-item summary .plus-icon {
            transition: transform 0.3s;
            color: var(--gold);
            font-size: 20px;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item[open] summary .plus-icon { transform: rotate(135deg); }

        .faq-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 10px;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-link:hover { color: var(--gold); }

        /* ===== 移动端抽屉 ===== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: var(--paper);
            z-index: 200;
            transition: right 0.35s ease;
            padding: 24px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

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

        .mobile-drawer nav a {
            text-decoration: none;
            color: var(--ink);
            font-size: 20px;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(14, 42, 36, 0.06);
            transition: color 0.2s, padding-left 0.2s;
        }

        .mobile-drawer nav a:hover { color: var(--gold); padding-left: 6px; }

        /* ===== 滚动条 ===== */
        .no-scrollbar::-webkit-scrollbar { display: none; }
        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

        /* ===== 进入动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

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

        @media (prefers-reduced-motion: reduce) {
            .fade-up { opacity: 1; transform: none; transition: none; }
        }

        /* ===== 焦点样式 ===== */
        a:focus-visible, button:focus-visible, summary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 空态 ===== */
        .empty-state {
            text-align: center;
            padding: 60px 24px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed rgba(14, 42, 36, 0.18);
        }

/* roulang page: category2 */
:root {
            --brand: #0E2A24;
            --branddark: #0B1F1B;
            --gold: #C8A24B;
            --paper: #F6F3EC;
            --paperdark: #EDE8DF;
            --ink: #1A1D1B;
            --muted: #6B7280;
            --accent: #2DD4BF;
            --border: rgba(14, 42, 36, 0.12);
            --radius: 14px;
            --shadow-card: 0 10px 30px rgba(11, 31, 27, 0.08);
            --shadow-hover: 0 18px 40px rgba(11, 31, 27, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

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

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

        .font-display {
            font-family: 'Manrope', 'Noto Sans SC', sans-serif;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .desktop-nav .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 6px 2px;
            letter-spacing: 0.01em;
            transition: color 0.2s;
        }

        .desktop-nav .nav-link:hover {
            color: var(--gold);
        }

        .desktop-nav .nav-link.active {
            font-weight: 700;
            color: var(--brand);
        }

        .desktop-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gold);
            color: var(--brand);
            font-weight: 700;
            font-size: 15px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: #d3b25e;
            box-shadow: 0 12px 30px rgba(200, 162, 75, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            transition: all 0.2s ease;
        }

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

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--brand);
            font-weight: 500;
            font-size: 15px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            transition: all 0.2s ease;
        }

        .btn-outline-dark:hover {
            background: rgba(14, 42, 36, 0.04);
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 100;
            pointer-events: none;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-drawer.open {
            pointer-events: auto;
            visibility: visible;
            opacity: 1;
        }

        .drawer-overlay {
            position: absolute;
            inset: 0;
            background: rgba(11, 31, 27, 0.5);
            backdrop-filter: blur(2px);
        }

        .drawer-content {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(88vw, 380px);
            background: var(--paper);
            padding: 24px 28px 40px;
            display: flex;
            flex-direction: column;
            transform: translateX(100%);
            transition: transform 0.32s ease;
            box-shadow: -20px 0 50px rgba(11, 31, 27, 0.18);
        }

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

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 32px;
            flex: 1;
        }

        .drawer-link {
            font-size: 18px;
            font-weight: 500;
            color: var(--ink);
            padding: 12px 8px;
            border-radius: 10px;
            transition: background 0.2s;
        }

        .drawer-link:hover {
            background: rgba(14, 42, 36, 0.06);
            color: var(--brand);
        }

        .drawer-link.active {
            color: var(--gold);
            font-weight: 700;
            background: rgba(14, 42, 36, 0.04);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: var(--brand);
            color: #fff;
            padding: 96px 0 72px;
            overflow: hidden;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(200, 162, 75, 0.16), transparent 60%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .page-hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 720px;
            line-height: 1.8;
        }

        .anchor-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .anchor-link {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 8px 20px;
            border-radius: 999px;
            transition: all 0.2s;
        }

        .anchor-link:hover {
            color: var(--brand);
            background: var(--gold);
            border-color: var(--gold);
        }

        /* ===== Stats ===== */
        .stats-band {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }

        .stat-item {
            text-align: center;
            padding: 12px 16px;
            position: relative;
        }

        .stat-item + .stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 18%;
            bottom: 18%;
            width: 1px;
            background: var(--border);
        }

        .stat-number {
            font-family: 'Manrope', sans-serif;
            font-size: 34px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: #4B5563;
            margin-top: 6px;
        }

        /* ===== Section ===== */
        .section {
            padding: 96px 0;
        }

        .section-head {
            margin-bottom: 56px;
            max-width: 640px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            margin-top: 16px;
            line-height: 1.8;
        }

        /* ===== Solution Rows ===== */
        .solution-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 80px;
        }

        .solution-row:last-child {
            margin-bottom: 0;
        }

        .solution-media {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 5 / 4;
            background: var(--branddark);
        }

        .solution-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .solution-index {
            font-family: 'Manrope', sans-serif;
            font-size: 64px;
            font-weight: 800;
            color: rgba(200, 162, 75, 0.28);
            line-height: 1;
            margin-bottom: 10px;
        }

        .solution-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .solution-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--brand);
            background: rgba(14, 42, 36, 0.06);
            border: 1px solid rgba(14, 42, 36, 0.08);
            border-radius: 6px;
            padding: 4px 12px;
        }

        .solution-list {
            list-style: none;
            margin-top: 16px;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: #3D4442;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .check-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(200, 162, 75, 0.15);
            color: var(--gold);
            font-size: 11px;
            margin-top: 2px;
        }

        .solution-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--brand);
            margin-top: 22px;
            border-bottom: 2px solid var(--gold);
            padding-bottom: 4px;
            transition: gap 0.2s, color 0.2s;
        }

        .solution-link:hover {
            gap: 14px;
            color: var(--gold);
        }

        /* ===== Quote ===== */
        .quote-band {
            background: var(--branddark);
            padding: 72px 0;
            overflow: hidden;
        }

        .quote-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            padding: 32px 36px;
            max-width: 860px;
            margin: 0 auto;
            position: relative;
        }

        .quote-mark {
            font-family: 'Manrope', sans-serif;
            font-size: 72px;
            color: var(--gold);
            line-height: 0.6;
            opacity: 0.7;
            margin-bottom: 8px;
        }

        .quote-text {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .quote-source {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Process ===== */
        .process-section {
            background: #fff;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding: 32px 28px;
            background: var(--paper);
            border-radius: 14px;
            border: 1px solid var(--border);
            transition: transform 0.25s, box-shadow 0.25s;
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-family: 'Manrope', sans-serif;
            font-size: 42px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 18px;
            display: block;
        }

        .step-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.25s;
        }

        .faq-item.faq-open {
            box-shadow: var(--shadow-card);
            border-color: rgba(200, 162, 75, 0.4);
        }

        .faq-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand);
            gap: 16px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(14, 42, 36, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 16px;
            transition: transform 0.3s ease, background 0.3s;
        }

        .faq-item.faq-open .faq-icon {
            transform: rotate(45deg);
            background: rgba(200, 162, 75, 0.15);
            color: var(--gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.faq-open .faq-answer {
            max-height: 260px;
            padding: 0 24px 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--branddark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 162, 75, 0.14), transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--branddark);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: var(--gold);
        }

        .social-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.25s;
        }

        .social-btn:hover {
            background: var(--gold);
            color: var(--brand);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(200, 162, 75, 0.25);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }

            .desktop-nav {
                display: none;
            }

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

            .solution-row {
                gap: 36px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-hamburger {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 72px 0 56px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .solution-row,
            .solution-row.reverse {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 56px;
            }

            .solution-index {
                font-size: 48px;
            }

            .stat-item + .stat-item::before {
                display: none;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .cta-title {
                font-size: 26px;
            }

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

            .quote-card {
                padding: 24px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .anchor-nav {
                gap: 8px;
            }

            .anchor-link {
                padding: 6px 14px;
                font-size: 13px;
            }

            .stat-number {
                font-size: 26px;
            }

            .solution-title {
                font-size: 20px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline-light {
                width: 100%;
                max-width: 320px;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #0E2A24;
            --brand-dark: #0B1F1B;
            --gold: #C8A24B;
            --paper: #F6F3EC;
            --paper-dark: #EFEAE0;
            --ink: #1A1D1B;
            --muted: #6B7280;
            --accent: #2DD4BF;
            --border: rgba(14, 42, 36, 0.12);
            --radius-card: 14px;
            --radius-img: 12px;
            --shadow-card: 0 10px 30px rgba(11, 31, 27, 0.08);
            --shadow-hover: 0 18px 40px rgba(11, 31, 27, 0.14);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'Inter', 'Manrope', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width:768px) {
            .container {
                padding: 0 32px;
            }
        }
        @media (min-width:1024px) {
            .container {
                padding: 0 48px;
            }
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s ease;
        }
        img {
            display: block;
            max-width: 100%;
            object-fit: cover;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .font-800 {
            font-weight: 800;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 243, 236, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 24px 2px 22px;
            position: relative;
            transition: color .3s;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--gold);
        }
        .nav-link.active {
            color: var(--brand);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold);
            border-radius: 3px 3px 0 0;
        }

        /* Buttons */
        .btn-primary {
            background: var(--gold);
            color: var(--brand);
            font-weight: 700;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 32px;
            height: 48px;
            font-size: 15px;
            transition: all .3s ease;
            box-shadow: 0 8px 20px rgba(200, 162, 75, 0.18);
            border: none;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #d9b45f;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(200, 162, 75, 0.28);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 32px;
            height: 48px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            background: transparent;
            gap: 8px;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-1px);
        }

        /* Page Hero */
        .page-hero {
            background: var(--brand);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -200px;
            right: -160px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 162, 75, 0.16), transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .hero-anchor {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
            font-weight: 500;
            transition: all .3s;
        }
        .hero-anchor:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200, 162, 75, 0.08);
        }

        /* Stats */
        .stats-strip {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
            position: relative;
        }
        .stat-item+.stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border);
        }
        .stat-num {
            font-family: 'Manrope', sans-serif;
            font-size: 30px;
            font-weight: 800;
            color: var(--gold);
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
            display: block;
        }
        @media (max-width: 767px) {
            .stat-item:nth-child(3)::before {
                display: none;
            }
        }

        /* Section Head */
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-sub {
            margin-top: 8px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.6;
        }
        .section-meta {
            font-size: 13px;
            color: var(--muted);
            white-space: nowrap;
            padding-bottom: 4px;
            font-weight: 500;
        }

        /* Doc list */
        .doc-row {
            display: grid;
            grid-template-columns: 48px 1fr auto;
            gap: 20px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            transition: all .3s ease;
        }
        .doc-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(200, 162, 75, 0.4);
        }
        .doc-index {
            font-family: 'Manrope', sans-serif;
            font-size: 28px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }
        .doc-main {
            min-width: 0;
        }
        .doc-main h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand);
            margin: 4px 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .doc-main p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .doc-cat {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(14, 42, 36, 0.06);
            color: var(--muted);
            font-size: 12px;
            font-weight: 600;
        }
        .doc-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            font-family: 'Manrope', sans-serif;
        }
        .doc-badge.pdf {
            background: rgba(200, 162, 75, 0.16);
            color: #8A6A22;
        }
        .doc-badge.doc {
            background: rgba(14, 42, 36, 0.1);
            color: var(--brand);
        }
        .doc-badge.xls {
            background: rgba(45, 212, 191, 0.14);
            color: #0D766E;
        }
        .doc-meta {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .doc-date {
            font-size: 13px;
            color: var(--muted);
            font-family: 'Manrope', sans-serif;
            white-space: nowrap;
        }
        .doc-view {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            white-space: nowrap;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .doc-view:hover {
            background: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }
        @media (max-width: 768px) {
            .doc-row {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 18px;
            }
            .doc-main h4 {
                white-space: normal;
            }
            .doc-meta {
                justify-content: space-between;
                width: 100%;
            }
        }

        /* Process */
        .process-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all .3s ease;
            position: relative;
        }
        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-num {
            font-family: 'Manrope', sans-serif;
            font-size: 32px;
            font-weight: 800;
            color: var(--gold);
            display: block;
            line-height: 1;
            margin-bottom: 14px;
        }
        .process-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 6px;
        }
        .process-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item.open {
            border-color: rgba(200, 162, 75, 0.4);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--brand);
            text-align: left;
            background: none;
            border: none;
            line-height: 1.4;
            gap: 16px;
        }
        .faq-question i {
            color: var(--gold);
            font-size: 16px;
            transition: transform .35s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s ease, padding .3s ease;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 24px 22px;
        }

        /* CTA */
        .cta-section {
            background: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -180px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(200, 162, 75, 0.14), transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-dark);
            color: #fff;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            position: relative;
            transition: color .3s, padding .3s;
        }
        .footer-link:hover {
            color: var(--gold);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(200, 162, 75, 0.25);
            padding-top: 24px;
            padding-bottom: 32px;
            text-align: center;
        }
        .footer-bottom p {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 88%;
            max-width: 360px;
            background: var(--paper);
            z-index: 200;
            padding: 24px;
            transform: translateX(100%);
            transition: transform .35s ease;
            box-shadow: -20px 0 50px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        body.drawer-open {
            overflow: hidden;
        }
        .drawer-link {
            display: block;
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: color .3s, padding-left .3s;
        }
        .drawer-link:hover,
        .drawer-link.active {
            color: var(--brand);
            padding-left: 8px;
            font-weight: 700;
        }

        /* Fade up */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .5s ease, transform .5s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        /* Utility helper */
        .rounded-card {
            border-radius: var(--radius-card);
        }
        .muted {
            color: var(--muted);
        }

/* roulang page: category4 */
:root {
            --brand: #0E2A24;
            --branddark: #0B1F1B;
            --gold: #C8A24B;
            --paper: #F6F3EC;
            --paperdark: #EDE8DC;
            --ink: #1A1D1B;
            --soft: #6B7280;
            --accent: #2DD4BF;
            --border: rgba(14, 42, 36, 0.12);
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 10px 30px rgba(11, 31, 27, 0.08);
            --shadow-lg: 0 18px 40px rgba(11, 31, 27, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Noto Sans SC', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(11, 31, 27, 0.06);
        }
        .desktop-nav .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            padding: 8px 4px;
            transition: color .25s ease;
            letter-spacing: .01em;
        }
        .desktop-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: right .3s ease;
        }
        .desktop-nav .nav-link:hover {
            color: var(--gold);
        }
        .desktop-nav .nav-link:hover::after {
            right: 0;
        }
        .desktop-nav .nav-link.active {
            color: var(--brand);
            font-weight: 700;
        }
        .desktop-nav .nav-link.active::after {
            right: 0;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            background: var(--gold);
            color: var(--brand);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: all .3s ease;
            box-shadow: 0 4px 14px rgba(200, 162, 75, 0.25);
        }
        .btn-primary:hover {
            background: #d4b05c;
            box-shadow: 0 8px 20px rgba(200, 162, 75, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: all .3s ease;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            border: 1px solid var(--border);
            color: var(--brand);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: all .3s ease;
            background: #fff;
        }
        .btn-outline-dark:hover {
            background: var(--paperdark);
            border-color: var(--brand);
            transform: translateY(-1px);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 88px 0 72px;
            background:
                linear-gradient(135deg, rgba(14, 42, 36, 0.92), rgba(11, 31, 27, 0.82)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .page-hero .hero-glow {
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(200, 162, 75, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }
        .page-hero .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .page-hero .breadcrumb a:hover {
            color: var(--gold);
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -0.01em;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.2;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ===== Anchor Strip ===== */
        .anchor-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }
        .anchor-strip .anchor-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--soft);
            margin-right: 6px;
        }
        .anchor-strip .anchor-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--brand);
            transition: all .25s ease;
        }
        .anchor-strip .anchor-link:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200, 162, 75, 0.06);
        }

        /* ===== Section Blocks ===== */
        .section-block {
            padding: 72px 0;
        }
        @media (min-width: 768px) {
            .section-block {
                padding: 96px 0;
            }
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }
        .section-head .sec-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 10px;
        }
        .section-head .sec-kicker .line {
            width: 32px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--brand);
            margin: 0;
        }
        @media (max-width: 640px) {
            .section-head h2 {
                font-size: 25px;
            }
        }
        .section-head .sec-note {
            font-size: 14px;
            color: var(--soft);
            max-width: 360px;
            text-align: right;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-head .sec-note {
                text-align: left;
            }
        }

        /* ===== Case Cards Grid ===== */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 640px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .case-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .case-card {
            position: relative;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .35s ease, box-shadow .35s ease;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .case-card .card-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .case-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .case-card:hover .card-media img {
            transform: scale(1.03);
        }
        .case-card .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 31, 27, 0.55), transparent 60%);
            pointer-events: none;
        }
        .case-card .industry-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .03em;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(14, 42, 36, 0.06);
        }
        .case-card .card-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
            margin: 0 0 10px;
        }
        .case-card .card-desc {
            font-size: 14px;
            color: var(--soft);
            line-height: 1.65;
            flex: 1;
        }
        .case-card .card-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid rgba(14, 42, 36, 0.06);
        }
        .case-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            transition: color .25s ease;
        }
        .case-card .card-link i {
            transition: transform .25s ease;
        }
        .case-card .card-link:hover {
            color: var(--gold);
        }
        .case-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Featured Cases ===== */
        .featured-row {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        @media (min-width: 1024px) {
            .featured-row {
                gap: 56px;
            }
        }
        .featured-case {
            display: grid;
            grid-template-columns: 1fr;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: box-shadow .35s ease;
        }
        .featured-case:hover {
            box-shadow: var(--shadow-lg);
        }
        @media (min-width: 1024px) {
            .featured-case {
                grid-template-columns: 1fr 1fr;
            }
        }
        .featured-case .fc-media {
            position: relative;
            min-height: 280px;
            overflow: hidden;
        }
        .featured-case .fc-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .featured-case:hover .fc-media img {
            transform: scale(1.03);
        }
        .featured-case .fc-body {
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .featured-case .fc-body {
                padding: 44px 48px;
            }
        }
        .featured-case .fc-no {
            font-family: 'Manrope', sans-serif;
            font-size: 14px;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: .06em;
            margin-bottom: 8px;
        }
        .featured-case h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand);
            margin: 0 0 14px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .featured-case .fc-desc {
            font-size: 15px;
            color: var(--soft);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .fc-points {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            margin-bottom: 24px;
        }
        @media (min-width: 480px) {
            .fc-points {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .fc-point {
            background: var(--paper);
            border-radius: 12px;
            padding: 16px 14px;
            border: 1px solid rgba(14, 42, 36, 0.06);
        }
        .fc-point .fp-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: .05em;
            margin-bottom: 4px;
        }
        .fc-point .fp-text {
            font-size: 13px;
            color: var(--ink);
            line-height: 1.5;
            font-weight: 500;
        }

        /* ===== Marquee ===== */
        .marquee-section {
            background: var(--branddark);
            padding: 72px 0;
            overflow: hidden;
            position: relative;
        }
        .marquee-section::before {
            content: '\201C';
            position: absolute;
            top: -20px;
            left: 40px;
            font-size: 160px;
            font-family: 'Manrope', sans-serif;
            font-weight: 800;
            color: rgba(200, 162, 75, 0.12);
            line-height: 1;
            pointer-events: none;
        }
        .marquee-viewport {
            overflow: hidden;
            padding: 16px 0;
            position: relative;
        }
        .marquee-track {
            display: flex;
            gap: 24px;
            width: max-content;
            animation: marquee 32s linear infinite;
        }
        .marquee-track:hover {
            animation-play-state: paused;
        }
        .marquee-card {
            flex-shrink: 0;
            width: 320px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 24px;
            backdrop-filter: blur(8px);
        }
        .marquee-card .stars {
            color: var(--gold);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .marquee-card p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14px;
            line-height: 1.65;
            margin: 0 0 12px;
            min-height: 44px;
        }
        .marquee-card .source {
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }
        @keyframes marquee {
            from {
                transform: translateX(0);
            }
            to {
                transform: translateX(-50%);
            }
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .process-step {
            position: relative;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .process-step .step-no {
            font-family: 'Manrope', sans-serif;
            font-size: 32px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand);
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--soft);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }
        .faq-item.open {
            box-shadow: var(--shadow);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand);
            line-height: 1.5;
            transition: color .25s ease;
        }
        .faq-item .faq-q:hover {
            color: var(--gold);
        }
        .faq-item .faq-q .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand);
            transition: transform .35s ease, background .3s ease, color .3s ease;
        }
        .faq-item.open .faq-q .icon {
            transform: rotate(135deg);
            background: var(--gold);
            color: #fff;
            border-color: var(--gold);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-item .faq-a .inner {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--soft);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-block {
            position: relative;
            background: var(--branddark);
            padding: 88px 0;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(200, 162, 75, 0.18), transparent 60%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 34px;
            font-weight: 800;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
            color: #fff;
        }
        @media (max-width: 640px) {
            .cta-block h2 {
                font-size: 26px;
            }
        }
        .cta-block p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-block .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--branddark);
            color: #fff;
            position: relative;
        }
        .site-footer .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: .04em;
            margin: 0 0 12px;
        }
        .site-footer .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 4px 0;
            transition: color .25s ease, padding-left .25s ease;
        }
        .site-footer .footer-link:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: var(--paper);
            transform: translateX(100%);
            transition: transform .4s cubic-bezier(.77, 0, .175, 1);
            display: flex;
            flex-direction: column;
            padding: 24px 32px;
            visibility: hidden;
        }
        .mobile-drawer.open {
            transform: translateX(0);
            visibility: visible;
        }
        .mobile-drawer .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .mobile-drawer .drawer-close {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: #fff;
        }
        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .mobile-drawer nav a {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: color .25s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-drawer nav a.active {
            color: var(--gold);
        }
        .mobile-drawer .drawer-cta {
            margin-top: auto;
            padding-bottom: 40px;
        }
        body.no-scroll {
            overflow: hidden;
        }

        /* ===== Reveal Animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .6s ease, transform .6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .marquee-track {
                animation-play-state: paused;
            }
        }

        /* ===== Misc ===== */
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 6px;
            background: rgba(200, 162, 75, 0.15);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }
        .badge-light {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .text-gold {
            color: var(--gold);
        }
        .text-brand {
            color: var(--brand);
        }
        .text-soft {
            color: var(--soft);
        }
        .bg-brand {
            background: var(--brand);
        }
        .bg-gold {
            background: var(--gold);
        }
        .bg-paperdark {
            background: var(--paperdark);
        }
        .bg-paper {
            background: var(--paper);
        }
        .divide-line {
            border-color: var(--border);
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(200, 162, 75, 0.45);
            outline-offset: 2px;
            border-radius: 6px;
        }