/* roulang page: index */
:root {
            --primary: #d946ef;
            --primary-dark: #a21caf;
            --secondary: #ec4899;
            --accent: #f43f5e;
            --bg-main: #0f0f0f;
            --bg-card: #1a1a1a;
            --bg-hover: #252525;
            --text-primary: #ffffff;
            --text-secondary: #a3a3a3;
            --text-muted: #737373;
            --border: #2a2a2a;
            --radius: 12px;
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -1px rgba(0,0,0,0.2);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -2px rgba(0,0,0,0.3);
            --spacing: 1.5rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            background: var(--bg-main);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        button, .btn {
            border: none;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.3s ease;
        }

        input, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(15, 15, 15, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -0.5rem;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
        }

        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.7)), url('/assets/images/backpic/back-1.webp') center/cover;
            padding-top: 5rem;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            background: rgba(217, 70, 239, 0.15);
            border: 1px solid rgba(217, 70, 239, 0.3);
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        h1 {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff, #e5e5e5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            padding: 1rem 2.5rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.05rem;
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            padding: 1rem 2.5rem;
            background: rgba(255,255,255,0.1);
            color: white;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.15);
            border-color: rgba(255,255,255,0.3);
        }

        section {
            padding: 6rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: rgba(217, 70, 239, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        h2 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            background: var(--bg-hover);
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
        }

        .feature-card p {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover img {
            transform: scale(1.1);
        }

        .category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
        }

        .category-card h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .category-card .count {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .stats-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            text-align: center;
        }

        .stat-item {
            padding: 1rem;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .content-list {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2.5rem;
        }

        .content-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

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

        .content-item:hover {
            padding-left: 1rem;
        }

        .content-thumb {
            width: 120px;
            height: 90px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .content-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-info {
            flex: 1;
        }

        .content-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }

        .content-item h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .content-item h4:hover {
            color: var(--primary);
        }

        .content-excerpt {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-section {
            background: var(--bg-card);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            padding: 1.5rem;
            font-size: 1.15rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center;
            border-radius: var(--radius);
            padding: 5rem 2rem;
            margin: 0 2rem;
        }

        .cta-section h2 {
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 4rem 0 2rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-about h3 {
            margin-bottom: 1rem;
        }

        .footer-about p {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .footer-links h4 {
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.7rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 0.5rem;
        }

        @media (max-width: 1024px) {
            h1 {
                font-size: 3rem;
            }

            h2 {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }

            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1.5rem;
            }

            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background: rgba(15, 15, 15, 0.98);
                width: 100%;
                padding: 2rem;
                gap: 1.5rem;
                transition: left 0.3s ease;
                border-bottom: 1px solid var(--border);
            }

            .nav-links.active {
                left: 0;
            }

            h1 {
                font-size: 2.5rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .hero {
                min-height: 80vh;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }

            section {
                padding: 4rem 0;
            }

            .features-grid,
            .categories-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .content-item {
                flex-direction: column;
            }

            .content-thumb {
                width: 100%;
                height: 200px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-section {
                padding: 3rem 1.5rem;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 2rem;
            }

            .stat-number {
                font-size: 2.5rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root{
  --c-bg:#0e0b14;
  --c-bg-2:#15111d;
  --c-surface:#1c1728;
  --c-surface-2:#241d33;
  --c-border:rgba(255,255,255,0.08);
  --c-text:#f2ecf7;
  --c-muted:#a89fb8;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff8a4c;
  --c-accent:#7c5cff;
  --c-success:#3ddc97;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 12px 40px rgba(255,61,127,.25);
  --grad:linear-gradient(135deg,#ff3d7f 0%,#ff8a4c 60%,#7c5cff 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,61,127,.16),rgba(124,92,255,.16));
  --space:clamp(16px,2vw,24px);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.5px}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}

/* header */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,11,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
header nav{display:flex;align-items:center;justify-content:space-between;padding:16px 22px}
.logo{
  font-size:22px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:1px;flex-shrink:0;
}
.nav-links{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav-links a{
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;color:var(--c-muted);
  transition:all .25s ease;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--c-border)}
.nav-links a.active{
  color:#fff;background:var(--grad);
  box-shadow:var(--shadow-glow);
}
.mobile-menu-btn{
  display:none;font-size:24px;color:#fff;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.06);
}

/* hero */
.hero{
  position:relative;
  padding:100px 0 80px;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(14,11,20,.75) 0%,rgba(14,11,20,.92) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 400px at 15% 20%,rgba(255,61,127,.35),transparent 60%),
    radial-gradient(500px 350px at 85% 80%,rgba(124,92,255,.3),transparent 60%);
  z-index:-1;pointer-events:none;
}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-border);
  color:#ffd0dd;font-size:13px;font-weight:600;
  margin-bottom:22px;
}
.hero-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 12px var(--c-primary)}
.hero h1{
  font-size:clamp(32px,4.5vw,54px);
  line-height:1.15;margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--c-muted);font-size:17px;margin-bottom:32px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:15px;
  transition:all .25s ease;cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(255,61,127,.4);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--c-border)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-meta{display:flex;gap:32px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:24px;color:#fff;font-weight:800}
.hero-meta span{font-size:13px;color:var(--c-muted)}

.hero-visual{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--c-border);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual .badge-hd{
  position:absolute;top:16px;left:16px;
  padding:6px 12px;border-radius:8px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(8px);
  font-size:12px;font-weight:700;color:#fff;
  border:1px solid rgba(255,255,255,.2);
}
.hero-visual .visual-caption{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:14px 16px;border-radius:12px;
  background:rgba(14,11,20,.72);backdrop-filter:blur(10px);
  border:1px solid var(--c-border);
}
.hero-visual .visual-caption h4{font-size:15px;margin-bottom:4px}
.hero-visual .visual-caption p{font-size:12.5px;color:var(--c-muted)}

/* section base */
section{padding:80px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.section-head .kicker{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--grad-soft);color:#ffb3c8;
  font-size:12.5px;font-weight:700;letter-spacing:1px;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.section-head p{color:var(--c-muted);font-size:16px}

/* quality tier */
.tier-bg{background:var(--c-bg-2)}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tier{
  padding:32px 26px;border-radius:var(--radius);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  position:relative;overflow:hidden;
  transition:transform .3s ease,border-color .3s ease;
}
.tier:hover{transform:translateY(-4px);border-color:rgba(255,61,127,.4)}
.tier::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);
}
.tier .grade{
  display:inline-block;padding:5px 12px;border-radius:6px;
  background:rgba(255,138,76,.15);color:#ffb489;
  font-size:12px;font-weight:700;letter-spacing:1px;
  margin-bottom:14px;
}
.tier h3{font-size:22px;margin-bottom:10px}
.tier p{color:var(--c-muted);font-size:14.5px;margin-bottom:16px}
.tier ul li{
  padding:8px 0 8px 24px;position:relative;
  font-size:14px;color:var(--c-text);
  border-bottom:1px dashed var(--c-border);
}
.tier ul li:last-child{border-bottom:none}
.tier ul li::before{
  content:"✓";position:absolute;left:0;top:8px;
  color:var(--c-primary);font-weight:700;
}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gcard{
  position:relative;border-radius:var(--radius);
  overflow:hidden;aspect-ratio:3/4;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  transition:transform .35s ease;
  cursor:pointer;
}
.gcard:hover{transform:translateY(-6px)}
.gcard img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gcard:hover img{transform:scale(1.08)}
.gcard .g-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.85) 100%);
}
.gcard .g-badge{
  position:absolute;top:12px;left:12px;
  padding:5px 10px;border-radius:6px;
  font-size:11px;font-weight:700;
  background:var(--grad);color:#fff;
}
.gcard .g-info{
  position:absolute;left:14px;right:14px;bottom:12px;color:#fff;
}
.gcard .g-info h4{font-size:15px;margin-bottom:4px}
.gcard .g-info span{font-size:12px;color:#cfc6de}

/* pipeline */
.pipeline-bg{background:var(--c-bg-2)}
.pipeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.step{
  background:var(--c-surface);
  border-radius:var(--radius);
  border:1px solid var(--c-border);
  padding:28px 22px;position:relative;
}
.step-num{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;margin-bottom:16px;
  box-shadow:var(--shadow-glow);
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--c-muted);font-size:14px}

/* scene */
.scene-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.scene-visual{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--shadow);
}
.scene-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.scene-list{display:grid;gap:14px}
.scene-item{
  padding:20px 22px;border-radius:var(--radius);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  display:grid;grid-template-columns:52px 1fr;gap:16px;
  transition:all .25s ease;
}
.scene-item:hover{border-color:rgba(124,92,255,.4);transform:translateX(4px)}
.scene-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.scene-item h4{font-size:16.5px;margin-bottom:4px}
.scene-item p{font-size:14px;color:var(--c-muted)}

/* stats */
.stats-bg{background:var(--c-bg-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  text-align:center;padding:34px 20px;
  border-radius:var(--radius);
  background:var(--c-surface);
  border:1px solid var(--c-border);
}
.stat .num{
  font-size:40px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;margin-bottom:8px;
}
.stat .label{color:var(--c-muted);font-size:14px}

/* faq */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  border-radius:var(--radius);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  overflow:hidden;
}
.faq-q{
  width:100%;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;font-size:16px;font-weight:600;color:#fff;
  text-align:left;
}
.faq-q .plus{
  width:28px;height:28px;border-radius:8px;
  background:var(--grad-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;flex-shrink:0;
  transition:transform .3s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{
  padding:0 24px;max-height:0;overflow:hidden;
  color:var(--c-muted);font-size:14.5px;
  transition:max-height .35s ease,padding .35s ease;
}
.faq-item.open .faq-a{padding:0 24px 22px;max-height:400px}

/* cta */
.cta-wrap{
  position:relative;padding:70px 40px;
  border-radius:var(--radius-lg);
  overflow:hidden;isolation:isolate;
  text-align:center;
  border:1px solid var(--c-border);
}
.cta-wrap::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(120deg,rgba(14,11,20,.65),rgba(14,11,20,.85)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-wrap::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(500px 300px at 50% 50%,rgba(255,61,127,.35),transparent 70%);
}
.cta-wrap h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-wrap p{color:#e8dff2;font-size:16px;max-width:620px;margin:0 auto 28px}
.cta-wrap .hero-cta{justify-content:center;margin-bottom:0}

/* footer */
footer{background:#0a080f;border-top:1px solid var(--c-border);padding:60px 0 28px;margin-top:20px}
.footer-content{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-about h3{
  font-size:20px;margin-bottom:12px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-about p{color:var(--c-muted);font-size:14px;line-height:1.75}
.footer-links h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer-links ul li{margin-bottom:10px}
.footer-links ul li a{color:var(--c-muted);font-size:13.5px}
.footer-links ul li a:hover{color:var(--c-primary)}
.footer-bottom{
  padding-top:22px;border-top:1px solid var(--c-border);
  text-align:center;color:var(--c-muted);font-size:13px;
}

/* responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:420px;margin:0 auto}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .tier-grid{grid-template-columns:1fr 1fr}
  .pipeline{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-content{grid-template-columns:1fr 1fr}
  .scene-layout{grid-template-columns:1fr}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero{padding:70px 0 60px}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:rgba(14,11,20,.98);
    padding:16px;gap:6px;border-bottom:1px solid var(--c-border);
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:center}
  .mobile-menu-btn{display:flex;align-items:center;justify-content:center}
  header nav{position:relative}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:1fr}
  .pipeline{grid-template-columns:1fr}
  .hero-meta{gap:22px}
  .hero-meta strong{font-size:20px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stats-grid{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr}
  .cta-wrap{padding:50px 22px}
  .btn{padding:12px 22px;font-size:14px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{justify-content:center}
}

/* roulang page: category3 */
:root {
            --primary: #C4612F;
            --primary-hover: #A94E22;
            --primary-light: #F2E3D6;
            --bg-cream: #F7F4EF;
            --bg-light: #FBF9F5;
            --bg-white: #FFFFFF;
            --border: #E7E1D7;
            --text-dark: #1F2421;
            --text-muted: #5C635D;
            --charcoal: #1F2421;
            --radius: 12px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(31, 36, 33, 0.06);
            --shadow-md: 0 4px 16px rgba(31, 36, 33, 0.1);
            --shadow-lg: 0 8px 32px rgba(31, 36, 33, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-weight: 300;
            background: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(251, 249, 245, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        
        header nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
        }
        
        .logo {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 22px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        
        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
            align-items: center;
        }
        
        .nav-links a {
            font-size: 15px;
            font-weight: 400;
            color: var(--text-dark);
            position: relative;
            padding: 4px 0;
        }
        
        .nav-links a.active {
            color: var(--primary);
            font-weight: 500;
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: var(--radius-full);
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            color: var(--text-dark);
            padding: 8px;
        }
        
        .hero-category {
            background: linear-gradient(135deg, rgba(196, 97, 47, 0.08) 0%, rgba(242, 227, 214, 0.12) 100%);
            border-bottom: 1px solid var(--border);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 600px;
            height: 600px;
            background: url('/assets/images/backpic/back-2.webp') center/cover;
            opacity: 0.06;
            border-radius: 50%;
            transform: translate(30%, -30%);
        }
        
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        
        .breadcrumb a {
            color: var(--text-muted);
        }
        
        .breadcrumb a:hover {
            color: var(--primary);
        }
        
        .breadcrumb span {
            color: var(--border);
        }
        
        .eyebrow {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }
        
        .hero-category h1 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 52px;
            font-weight: 400;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            max-width: 800px;
        }
        
        .hero-category h1 em {
            font-style: italic;
            color: var(--primary);
        }
        
        .hero-category .subtitle {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
            margin-bottom: 32px;
        }
        
        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 40px;
        }
        
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .stat-number {
            font-family: 'Playfair Display', serif;
            font-size: 36px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }
        
        .section {
            padding: 80px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        
        .section-title {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 40px;
            font-weight: 400;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        
        .section-title em {
            font-style: italic;
            color: var(--primary);
        }
        
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        .position-categories {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .position-category-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            transition: var(--transition);
            cursor: pointer;
        }
        
        .position-category-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        
        .category-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 20px;
        }
        
        .position-category-card h3 {
            font-family: 'Playfair Display', serif;
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        
        .position-category-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        
        .category-count {
            display: inline-block;
            background: var(--bg-cream);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
        }
        
        .featured-positions {
            background: var(--bg-white);
        }
        
        .position-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        
        .position-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .position-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .position-image {
            width: 100%;
            height: 280px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-cream) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .position-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .difficulty-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
        }
        
        .position-content {
            padding: 28px;
        }
        
        .position-content h3 {
            font-family: 'Playfair Display', serif;
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        
        .position-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        
        .position-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
        }
        
        .meta-icon {
            color: var(--primary);
        }
        
        .guide-section {
            background: var(--bg-light);
        }
        
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        
        .step-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            position: relative;
        }
        
        .step-number {
            position: absolute;
            top: -16px;
            left: 32px;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 18px;
        }
        
        .step-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            margin-top: 8px;
        }
        
        .step-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        
        .tip-card {
            background: var(--bg-white);
            border-left: 3px solid var(--primary);
            padding: 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        
        .tip-card h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        
        .tip-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        .benefits-section {
            background: var(--charcoal);
            color: var(--bg-light);
        }
        
        .benefits-section .section-title,
        .benefits-section .section-subtitle {
            color: var(--bg-light);
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        
        .benefit-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        
        .benefit-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        
        .benefit-icon {
            font-size: 42px;
            margin-bottom: 16px;
        }
        
        .benefit-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--bg-white);
        }
        
        .benefit-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        
        .faq-section {
            background: var(--bg-white);
        }
        
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--primary);
        }
        
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 24px 28px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            color: var(--primary);
        }
        
        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #D47842 100%);
            color: white;
            text-align: center;
            padding: 80px 0;
        }
        
        .cta-section h2 {
            font-family: 'Playfair Display', serif;
            font-size: 42px;
            font-weight: 400;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 18px;
            opacity: 0.95;
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .btn-primary {
            display: inline-block;
            background: white;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }
        
        footer {
            background: var(--charcoal);
            color: var(--bg-light);
            padding: 60px 0 24px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        
        .footer-about h3 {
            font-family: 'Playfair Display', serif;
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        
        .footer-about p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }
        
        .footer-links h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--bg-white);
            margin-bottom: 16px;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--primary);
        }
        
        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        @media (max-width: 1024px) {
            .nav-links {
                gap: 24px;
            }
            
            .hero-category h1 {
                font-size: 42px;
            }
            
            .position-categories {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero-category {
                padding: 60px 0 40px;
            }
            
            .hero-category h1 {
                font-size: 36px;
            }
            
            .hero-stats {
                gap: 32px;
                flex-wrap: wrap;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .section-title {
                font-size: 32px;
            }
            
            .position-categories,
            .position-grid,
            .guide-steps,
            .tips-grid,
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-color: #C4612F;
            --primary-hover: #A94E22;
            --secondary-color: #F2E3D6;
            --bg-cream: #F7F4EF;
            --bg-light: #FBF9F5;
            --bg-white: #FFFFFF;
            --text-dark: #1F2421;
            --text-muted: #5C635D;
            --border-color: #E7E1D7;
            --shadow-sm: 0 1px 3px rgba(31, 36, 33, 0.08);
            --shadow-md: 0 4px 12px rgba(31, 36, 33, 0.12);
            --shadow-lg: 0 8px 24px rgba(31, 36, 33, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-weight: 300;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-cream);
            -webkit-font-smoothing: antialiased;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Fraunces', 'DM Serif Display', 'Playfair Display', Georgia, serif;
            font-weight: 400;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        
        h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
        h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
        h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        /* Header & Navigation */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
        }
        
        .logo {
            font-family: 'Fraunces', serif;
            font-size: 1.35rem;
            font-weight: 500;
            color: var(--primary-color);
            letter-spacing: -0.01em;
        }
        
        .nav-links {
            display: flex;
            gap: var(--spacing-md);
            list-style: none;
        }
        
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 400;
            color: var(--text-muted);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            transition: all 0.3s ease;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
            background: var(--secondary-color);
        }
        
        .nav-links a.active {
            color: var(--primary-color);
            background: var(--secondary-color);
            font-weight: 500;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-dark);
        }
        
        /* Hero Section */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(196, 97, 47, 0.92) 0%, rgba(169, 78, 34, 0.95) 100%), url('/assets/images/backpic/back-2.webp') center/cover;
            color: var(--bg-white);
            padding: var(--spacing-xl) 0;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            max-width: 720px;
            z-index: 2;
        }
        
        .hero-eyebrow {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            color: var(--bg-white);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        
        .hero h1 {
            color: var(--bg-white);
            margin-bottom: var(--spacing-md);
        }
        
        .hero h1 em {
            font-style: italic;
            color: var(--secondary-color);
        }
        
        .hero-desc {
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            color: rgba(255, 255, 255, 0.95);
            font-weight: 300;
        }
        
        .hero-cta {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
        
        .btn-primary {
            background: var(--bg-white);
            color: var(--primary-color);
        }
        
        .btn-primary:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        
        .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: var(--bg-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.5);
        }
        
        /* Section Base */
        section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto var(--spacing-lg);
        }
        
        .section-eyebrow {
            display: inline-block;
            background: var(--secondary-color);
            color: var(--primary-color);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        
        .section-header h2 {
            margin-bottom: var(--spacing-sm);
        }
        
        .section-header h2 em {
            font-style: italic;
            color: var(--primary-color);
        }
        
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        
        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-color);
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--secondary-color);
            color: var(--primary-color);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .feature-card h3 {
            margin-bottom: var(--spacing-xs);
            font-size: 1.25rem;
        }
        
        .feature-card p {
            color: var(--text-muted);
            line-height: 1.7;
        }
        
        /* Quality Standards */
        .quality-section {
            background: var(--bg-light);
        }
        
        .quality-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }
        
        .quality-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border-left: 3px solid var(--primary-color);
            transition: all 0.3s ease;
        }
        
        .quality-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }
        
        .quality-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-color);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }
        
        .quality-value {
            font-size: 1.75rem;
            font-weight: 500;
            color: var(--text-dark);
            font-family: 'Fraunces', serif;
        }
        
        .quality-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        
        /* Content Showcase */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--spacing-md);
        }
        
        .showcase-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .showcase-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        
        .showcase-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-cream);
        }
        
        .showcase-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        
        .showcase-card:hover .showcase-image img {
            transform: scale(1.05);
        }
        
        .showcase-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--primary-color);
            color: var(--bg-white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }
        
        .showcase-content {
            padding: var(--spacing-md);
        }
        
        .showcase-title {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-xs);
            color: var(--text-dark);
        }
        
        .showcase-meta {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }
        
        .meta-tag {
            font-size: 0.8rem;
            color: var(--text-muted);
            background: var(--bg-cream);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        
        .showcase-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* Process Steps */
        .process-section {
            background: var(--bg-white);
        }
        
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }
        
        .process-step {
            position: relative;
            text-align: center;
        }
        
        .step-number {
            width: 56px;
            height: 56px;
            background: var(--secondary-color);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 600;
            margin: 0 auto var(--spacing-sm);
            font-family: 'Fraunces', serif;
        }
        
        .process-step h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-xs);
        }
        
        .process-step p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        
        /* Stats Section */
        .stats-section {
            background: var(--text-dark);
            color: var(--bg-white);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-lg);
            text-align: center;
        }
        
        .stat-item {
            padding: var(--spacing-md);
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 500;
            color: var(--secondary-color);
            font-family: 'Fraunces', serif;
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }
        
        .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 400;
        }
        
        /* FAQ Section */
        .faq-section {
            background: var(--bg-light);
        }
        
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--primary-color);
        }
        
        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--spacing-md);
            background: none;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        
        .faq-question:hover {
            color: var(--primary-color);
        }
        
        .faq-icon {
            font-size: 1.25rem;
            color: var(--primary-color);
            transition: transform 0.3s ease;
        }
        
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
            color: var(--bg-white);
            text-align: center;
        }
        
        .cta-content {
            max-width: 680px;
            margin: 0 auto;
        }
        
        .cta-section h2 {
            color: var(--bg-white);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-section h2 em {
            color: var(--secondary-color);
        }
        
        .cta-section p {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-lg);
            color: rgba(255, 255, 255, 0.95);
            line-height: 1.8;
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        /* Footer */
        footer {
            background: var(--text-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-about h3 {
            color: var(--secondary-color);
            font-size: 1.25rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-about p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .footer-links h4 {
            color: var(--bg-white);
            font-size: 1rem;
            margin-bottom: var(--spacing-sm);
            font-weight: 500;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 8px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                padding: var(--spacing-lg) 0;
            }
            
            .hero-cta {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            section {
                padding: var(--spacing-lg) 0;
            }
            
            .feature-grid,
            .quality-grid,
            .showcase-grid,
            .process-steps {
                grid-template-columns: 1fr;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            
            .stat-number {
                font-size: 2.25rem;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            
            nav {
                padding: var(--spacing-sm);
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            h1 { font-size: 1.75rem; }
            h2 { font-size: 1.5rem; }
        }

/* roulang page: category5 */
:root {
            --primary-color: #C4612F;
            --primary-hover: #A94E22;
            --accent-tint: #F2E3D6;
            --bg-warm: #F7F4EF;
            --surface-light: #FBF9F5;
            --surface-white: #FFFFFF;
            --border-warm: #E7E1D7;
            --text-dark: #1F2421;
            --text-muted: #5C635D;
            --charcoal: #1F2421;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 3px rgba(31, 36, 33, 0.08);
            --shadow-md: 0 4px 12px rgba(31, 36, 33, 0.12);
            --shadow-lg: 0 8px 24px rgba(31, 36, 33, 0.15);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 4rem;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-weight: 300;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-warm);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem var(--spacing-md);
        }
        
        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }
        
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
            align-items: center;
        }
        
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 400;
            color: var(--text-muted);
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-dark);
        }
        
        .hero-banner {
            background: linear-gradient(135deg, rgba(196, 97, 47, 0.92) 0%, rgba(31, 36, 33, 0.88) 100%), 
                        url('/assets/images/backpic/back-2.webp') center/cover;
            padding: 5rem var(--spacing-md);
            text-align: center;
            color: var(--surface-white);
            position: relative;
            overflow: hidden;
        }
        
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(242, 227, 214, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        
        .hero-content {
            max-width: 860px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        .eyebrow {
            display: inline-block;
            background: var(--accent-tint);
            color: var(--primary-color);
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }
        
        .hero-banner h1 {
            font-family: 'Playfair Display', serif;
            font-size: 3.2rem;
            font-weight: 400;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            letter-spacing: -0.03em;
        }
        
        .hero-banner h1 em {
            color: var(--accent-tint);
            font-style: italic;
        }
        
        .hero-banner p {
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.92);
            font-weight: 300;
        }
        
        .cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 0.85rem 2rem;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-primary {
            background: var(--primary-color);
            color: var(--surface-white);
        }
        
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .btn-secondary {
            background: var(--surface-white);
            color: var(--text-dark);
            border: 1px solid var(--border-warm);
        }
        
        .btn-secondary:hover {
            background: var(--surface-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        
        .section {
            padding: 4rem var(--spacing-md);
        }
        
        .section-header {
            max-width: 720px;
            margin: 0 auto 3rem;
            text-align: center;
        }
        
        .section-title {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            font-weight: 400;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            color: var(--text-dark);
        }
        
        .section-title em {
            color: var(--primary-color);
            font-style: italic;
        }
        
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            font-weight: 300;
        }
        
        .update-timeline {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .timeline-filter {
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        
        .filter-chip {
            padding: 0.6rem 1.4rem;
            background: var(--surface-white);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .filter-chip:hover,
        .filter-chip.active {
            background: var(--primary-color);
            color: var(--surface-white);
            border-color: var(--primary-color);
            transform: translateY(-1px);
        }
        
        .timeline-item {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            padding: 2rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-warm);
            transition: all 0.3s ease;
        }
        
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        
        .timeline-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .update-time {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary-color);
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .update-badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: var(--accent-tint);
            color: var(--primary-color);
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .timeline-content {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 1.5rem;
            align-items: start;
        }
        
        .timeline-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        
        .timeline-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .timeline-item:hover .timeline-thumb img {
            transform: scale(1.05);
        }
        
        .timeline-details h3 {
            font-size: 1.2rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }
        
        .timeline-details p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }
        
        .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .tag {
            padding: 0.25rem 0.75rem;
            background: var(--surface-light);
            color: var(--text-muted);
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            border: 1px solid var(--border-warm);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .stat-card {
            background: var(--surface-white);
            padding: 2rem;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-warm);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            font-family: 'Playfair Display', serif;
        }
        
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        
        .feature-card {
            background: var(--surface-white);
            padding: 2rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-warm);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-color);
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-tint);
            color: var(--primary-color);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 500;
            margin-bottom: 0.75rem;
            color: var(--text-dark);
        }
        
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        .content-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        
        .content-card {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-warm);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        
        .content-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        
        .content-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        
        .content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .content-card:hover .content-image img {
            transform: scale(1.08);
        }
        
        .content-badge {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: var(--primary-color);
            color: var(--surface-white);
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 500;
        }
        
        .content-body {
            padding: 1.5rem;
        }
        
        .content-title {
            font-size: 1.05rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }
        
        .content-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }
        
        .content-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        
        .faq-section {
            background: var(--surface-white);
            padding: 4rem var(--spacing-md);
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            border-bottom: 1px solid var(--border-warm);
            padding: 1.5rem 0;
        }
        
        .faq-question {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .faq-question::before {
            content: '→';
            color: var(--primary-color);
            font-weight: 600;
            transition: transform 0.3s ease;
        }
        
        .faq-item:hover .faq-question::before {
            transform: translateX(4px);
        }
        
        .faq-answer {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            padding-left: 1.5rem;
        }
        
        .cta-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--charcoal) 100%);
            padding: 4rem var(--spacing-md);
            text-align: center;
            color: var(--surface-white);
        }
        
        .cta-content {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .cta-section h2 {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            font-weight: 400;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        
        .cta-section h2 em {
            color: var(--accent-tint);
            font-style: italic;
        }
        
        .cta-section p {
            font-size: 1.05rem;
            margin-bottom: 2rem;
            opacity: 0.92;
            line-height: 1.6;
        }
        
        footer {
            background: var(--charcoal);
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem var(--spacing-md) 1.5rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom:2rem;
        }
        
        .footer-about h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--surface-white);
        }
        
        .footer-about p {
            font-size: 0.9rem;
            line-height: 1.6;
            opacity: 0.8;
        }
        
        .footer-links h4 {
            font-size: 1rem;
            font-weight: 500;
            margin-bottom: 1rem;
            color: var(--surface-white);
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        
        .footer-links a {
            font-size: 0.9rem;
            opacity: 0.75;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            opacity: 1;
            color: var(--primary-color);
            padding-left: 4px;
        }
        
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        
        @media (max-width: 1024px) {
            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            
            .timeline-content {
                grid-template-columns: 160px 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero-banner {
                padding: 3rem var(--spacing-sm);
            }
            
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            
            .section {
                padding: 3rem var(--spacing-sm);
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .timeline-content {
                grid-template-columns: 1fr;
            }
            
            .timeline-thumb {
                max-width: 100%;
            }
            
            .cta-group {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .timeline-item {
                padding: 1.5rem;
            }
            
            .feature-card,
            .stat-card {
                padding: 1.5rem;
            }
        }

/* roulang page: article */
:root{
    --brand:#ff2d6f;
    --brand-2:#7a1cff;
    --accent:#ffb020;
    --bg:#0b0713;
    --bg-2:#120a1f;
    --surface:#181128;
    --surface-2:#211636;
    --line:rgba(255,255,255,.08);
    --text:#f4eefb;
    --muted:#a89ec2;
    --radius:16px;
    --radius-sm:10px;
    --shadow:0 20px 50px -20px rgba(255,45,111,.35), 0 10px 30px -18px rgba(122,28,255,.4);
    --shadow-sm:0 8px 24px -14px rgba(0,0,0,.6);
    --gap:24px;
    --container:1200px;
    --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:radial-gradient(1200px 700px at 10% -10%, rgba(255,45,111,.15), transparent 60%),
               radial-gradient(1000px 600px at 100% 0%, rgba(122,28,255,.18), transparent 55%),
               var(--bg);
    color:var(--text);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    min-height:100vh;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* Header */
header{
    position:sticky;top:0;z-index:50;
    background:rgba(11,7,19,.85);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
}
header nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:24px}
.logo{
    font-size:1.35rem;font-weight:800;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    letter-spacing:.5px;flex-shrink:0;
}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{
    padding:9px 16px;border-radius:999px;font-size:.95rem;
    color:var(--muted);transition:all var(--transition);display:inline-block;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--shadow-sm)}
.mobile-menu-btn{display:none;font-size:1.6rem;color:var(--text);padding:6px 10px}

/* Article banner */
.article-banner{
    position:relative;
    padding:70px 0 60px;
    background:linear-gradient(135deg, rgba(11,7,19,.85), rgba(18,10,31,.75)),
               url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-bottom:1px solid var(--line);
    overflow:hidden;
}
.article-banner::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(600px 300px at 20% 40%, rgba(255,45,111,.25), transparent 60%),
               radial-gradient(500px 260px at 80% 60%, rgba(122,28,255,.22), transparent 60%);
    pointer-events:none;
}
.breadcrumb{
    position:relative;z-index:1;
    display:flex;flex-wrap:wrap;gap:8px;align-items:center;
    font-size:.9rem;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.4}
.breadcrumb .current{color:var(--text)}

.article-tag{
    display:inline-block;
    padding:6px 14px;
    background:rgba(255,45,111,.15);
    border:1px solid rgba(255,45,111,.35);
    color:#ffb1cd;
    border-radius:999px;
    font-size:.82rem;
    font-weight:600;
    margin-bottom:16px;
    position:relative;z-index:1;
}
.article-title{
    position:relative;z-index:1;
    font-size:clamp(1.8rem, 4vw, 2.8rem);
    line-height:1.3;
    margin:0 0 20px;
    font-weight:800;
    max-width:900px;
    background:linear-gradient(135deg,#fff 30%, #ffb1cd);
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
    position:relative;z-index:1;
    display:flex;flex-wrap:wrap;gap:18px;
    color:var(--muted);font-size:.92rem;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}

/* Layout */
.article-wrap{padding:50px 0 80px}
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}

/* Content */
.article-body{
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:40px 44px;
    box-shadow:var(--shadow-sm);
}
.article-lead{
    padding:18px 22px;
    background:rgba(255,45,111,.08);
    border-left:3px solid var(--brand);
    border-radius:10px;
    margin-bottom:28px;
    color:#e6d9f5;
    font-size:1.02rem;
}
.article-content{font-size:1.02rem;color:#e8e0f5}
.article-content h1,.article-content h2,.article-content h3,.article-content h4{
    color:#fff;margin:1.6em 0 .7em;line-height:1.4;font-weight:700;
}
.article-content h2{
    font-size:1.5rem;padding-left:14px;
    border-left:4px solid var(--brand);
}
.article-content h3{font-size:1.2rem;color:#ffcbdd}
.article-content p{margin:0 0 1.1em}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.6em}
.article-content li{margin-bottom:.5em}
.article-content a{color:var(--brand);border-bottom:1px dashed rgba(255,45,111,.5)}
.article-content a:hover{color:#ffb1cd}
.article-content img{margin:1.3em auto;box-shadow:var(--shadow-sm)}
.article-content blockquote{
    margin:1.4em 0;padding:16px 22px;
    background:rgba(122,28,255,.1);
    border-left:4px solid var(--brand-2);
    border-radius:10px;color:#d9cef0;
}
.article-content code{
    background:rgba(255,255,255,.08);padding:2px 8px;
    border-radius:6px;font-size:.92em;color:#ffb1cd;
}
.article-content strong{color:#fff}
.article-content hr{border:none;border-top:1px solid var(--line);margin:2em 0}

/* Empty state */
.article-empty{
    text-align:center;padding:60px 20px;
}
.article-empty h2{font-size:1.6rem;margin:0 0 12px;color:#fff}
.article-empty p{color:var(--muted);margin-bottom:24px}

/* Article footer actions */
.article-actions{
    margin-top:36px;padding-top:28px;
    border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{
    padding:6px 14px;background:rgba(255,255,255,.05);
    border:1px solid var(--line);border-radius:999px;
    font-size:.82rem;color:var(--muted);
}
.tag-item:hover{color:#fff;border-color:var(--brand);background:rgba(255,45,111,.1)}

/* Buttons */
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 24px;border-radius:999px;font-weight:600;
    font-size:.95rem;transition:all var(--transition);
    border:1px solid transparent;
}
.btn-primary{
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#fff;box-shadow:var(--shadow-sm);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow);color:#fff}
.btn-ghost{
    background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--brand);color:#fff}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:100px}
.side-card{
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:24px;
    box-shadow:var(--shadow-sm);
}
.side-title{
    font-size:1.05rem;font-weight:700;color:#fff;
    margin:0 0 16px;padding-bottom:12px;
    border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:8px;
}
.side-title::before{
    content:"";width:4px;height:16px;border-radius:2px;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.hot-list li{
    padding:12px 0;border-bottom:1px dashed var(--line);
    font-size:.92rem;line-height:1.55;
}
.hot-list li:last-child{border-bottom:none}
.hot-list a{display:flex;gap:10px;color:#d9d1ec;align-items:flex-start}
.hot-list a:hover{color:var(--brand)}
.hot-num{
    flex-shrink:0;width:22px;height:22px;border-radius:6px;
    background:rgba(255,255,255,.06);color:var(--muted);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:.78rem;font-weight:700;
}
.hot-list li:nth-child(1) .hot-num{background:linear-gradient(135deg,#ff2d6f,#ff5b4e);color:#fff}
.hot-list li:nth-child(2) .hot-num{background:linear-gradient(135deg,#ff7a2d,#ffb020);color:#fff}
.hot-list li:nth-child(3) .hot-num{background:linear-gradient(135deg,#7a1cff,#a94cff);color:#fff}

.side-cover{
    width:100%;height:150px;object-fit:cover;
    border-radius:12px;margin-bottom:14px;
}
.side-desc{color:var(--muted);font-size:.9rem;margin:0 0 16px}

.cat-list{display:flex;flex-wrap:wrap;gap:8px}
.cat-list a{
    padding:8px 14px;background:rgba(255,255,255,.04);
    border:1px solid var(--line);border-radius:8px;
    font-size:.86rem;color:#d9d1ec;
}
.cat-list a:hover{background:rgba(255,45,111,.15);border-color:var(--brand);color:#fff}

.side-notice{
    background:linear-gradient(135deg, rgba(255,45,111,.12), rgba(122,28,255,.12));
    border-color:rgba(255,45,111,.25);
}
.side-notice p{font-size:.88rem;color:#e6d9f5;margin:0 0 10px}
.side-notice p:last-child{margin:0}

/* Related */
.related-section{margin-top:60px}
.section-heading{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:24px;
}
.section-heading h2{
    font-size:1.6rem;margin:0;color:#fff;font-weight:800;
    display:flex;align-items:center;gap:12px;
}
.section-heading h2::before{
    content:"";width:6px;height:24px;border-radius:3px;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.related-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.related-card{
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;transition:all var(--transition);
    display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,45,111,.35)}
.related-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.related-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease}
.related-card:hover .related-cover img{transform:scale(1.06)}
.related-cover::after{
    content:"HD";position:absolute;top:12px;right:12px;
    padding:3px 10px;background:rgba(255,45,111,.9);
    color:#fff;font-size:.72rem;font-weight:700;
    border-radius:6px;letter-spacing:.5px;
}
.related-info{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.related-info h3{
    font-size:1.02rem;margin:0 0 8px;color:#fff;font-weight:700;
    line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-info p{color:var(--muted);font-size:.88rem;margin:0 0 14px;flex:1}
.related-meta{
    display:flex;justify-content:space-between;align-items:center;
    font-size:.8rem;color:var(--muted);padding-top:12px;
    border-top:1px solid var(--line);
}
.related-meta .badge{color:var(--brand)}

/* CTA */
.cta-section{
    margin-top:60px;padding:50px 40px;
    background:linear-gradient(135deg, rgba(255,45,111,.15), rgba(122,28,255,.18)),
               url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    border:1px solid var(--line);border-radius:var(--radius);
    text-align:center;position:relative;overflow:hidden;
}
.cta-section::before{
    content:"";position:absolute;inset:0;
    background:rgba(11,7,19,.5);z-index:0;
}
.cta-section > *{position:relative;z-index:1}
.cta-section h2{
    font-size:clamp(1.4rem,3vw,2rem);margin:0 0 12px;color:#fff;font-weight:800;
}
.cta-section p{color:#e6d9f5;max-width:640px;margin:0 auto 24px;font-size:1rem}
.cta-buttons{display:inline-flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* Footer */
footer{
    background:#080510;border-top:1px solid var(--line);
    padding:60px 0 24px;margin-top:60px;
}
.footer-content{
    display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
    gap:40px;margin-bottom:40px;
}
.footer-about h3{
    font-size:1.3rem;margin:0 0 14px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-about p{color:var(--muted);font-size:.92rem;margin:0;line-height:1.75}
.footer-links h4{color:#fff;font-size:1rem;margin:0 0 16px;font-weight:700}
.footer-links ul li{margin-bottom:10px}
.footer-links a{color:var(--muted);font-size:.9rem}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
    text-align:center;padding-top:26px;
    border-top:1px solid var(--line);
    color:var(--muted);font-size:.85rem;
}

/* Responsive */
@media (max-width:1024px){
    .article-grid{grid-template-columns:1fr;gap:32px}
    .sidebar{position:static}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-content{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
    .mobile-menu-btn{display:block}
    .nav-links{
        display:none;position:absolute;top:100%;left:0;right:0;
        background:rgba(11,7,19,.98);backdrop-filter:blur(20px);
        flex-direction:column;padding:16px;border-bottom:1px solid var(--line);gap:4px;
    }
    .nav-links.active{display:flex}
    .nav-links a{width:100%;text-align:center;padding:12px}
    .article-banner{padding:50px 0 40px}
    .article-body{padding:28px 22px}
    .article-wrap{padding:32px 0 50px}
    .cta-section{padding:36px 22px}
}
@media (max-width:520px){
    .container{padding:0 16px}
    .related-grid{grid-template-columns:1fr}
    .footer-content{grid-template-columns:1fr;gap:28px}
    .article-title{font-size:1.5rem}
    .article-meta{font-size:.85rem;gap:10px}
    .article-body{padding:22px 18px}
    .article-content h2{font-size:1.25rem}
    .section-heading h2{font-size:1.3rem}
}

/* roulang page: category2 */
:root{
  --c-bg:#0e0a14;
  --c-bg-2:#161020;
  --c-surface:#1d1628;
  --c-surface-2:#251c33;
  --c-border:#2f2440;
  --c-text:#f4eef8;
  --c-muted:#a89cb8;
  --c-primary:#ff3d7f;
  --c-primary-2:#b93cff;
  --c-accent:#ffb547;
  --c-success:#38d39f;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 14px 40px rgba(0,0,0,.45);
  --shadow-glow:0 10px 40px rgba(255,61,127,.28);
  --space:20px;
  --grad-primary:linear-gradient(135deg,#ff3d7f 0%,#b93cff 100%);
  --grad-warm:linear-gradient(135deg,#ffb547 0%,#ff3d7f 100%);
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,10,20,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
header nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px}
.logo{
  font-size:20px;font-weight:800;
  background:var(--grad-primary);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.5px;
}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  display:inline-block;padding:9px 14px;
  font-size:14.5px;font-weight:500;color:var(--c-muted);
  border-radius:999px;transition:all .2s;
}
.nav-links a:hover{color:var(--c-text);background:var(--c-surface)}
.nav-links a.active{color:#fff;background:var(--grad-primary);box-shadow:var(--shadow-glow)}
.mobile-menu-btn{display:none;font-size:24px;color:var(--c-text);padding:6px 10px}

/* Page Hero (unique layout — 3-column ribbon) */
.page-hero{
  position:relative;
  padding:70px 0 60px;
  background:
    linear-gradient(180deg,rgba(14,10,20,.72) 0%,rgba(14,10,20,.94) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(185,60,255,.35),transparent 70%);filter:blur(20px);
}
.page-hero::after{
  content:"";position:absolute;bottom:-140px;left:-100px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(255,61,127,.3),transparent 70%);filter:blur(20px);
}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--c-muted);font-size:13.5px;margin-bottom:22px;position:relative;z-index:2}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span.sep{opacity:.5}
.hero-ribbon{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.hero-ribbon h1{font-size:44px;line-height:1.15;margin-bottom:18px}
.hero-ribbon h1 em{
  font-style:normal;
  background:var(--grad-warm);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--c-muted);max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-weight:600;font-size:15px;transition:all .25s;
  border:1px solid transparent;
}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 46px rgba(255,61,127,.4);color:#fff}
.btn-ghost{border-color:var(--c-border);color:var(--c-text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary)}

.hero-stack{
  position:relative;
  display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(6,26px);
  gap:8px;
}
.hero-tile{
  border-radius:var(--radius);overflow:hidden;
  position:relative;box-shadow:var(--shadow);
  background:var(--c-surface);
}
.hero-tile img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-tile::after{
  content:attr(data-label);
  position:absolute;left:10px;bottom:10px;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);color:#fff;font-weight:600;
}
.tile-a{grid-column:1/5;grid-row:1/5}
.tile-b{grid-column:5/7;grid-row:1/3}
.tile-c{grid-column:5/7;grid-row:3/5}
.tile-d{grid-column:1/4;grid-row:5/7}
.tile-e{grid-column:4/7;grid-row:5/7}

/* Section base */
section{padding:70px 0}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:2px;text-transform:uppercase;
  color:var(--c-primary);font-weight:700;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;background:rgba(255,61,127,.1);
  border:1px solid rgba(255,61,127,.28);
}
.section-head h2{font-size:34px;margin-bottom:12px}
.section-head p{color:var(--c-muted);font-size:16px}

/* Scene grid */
.scene-list{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.scene-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-6px);border-color:var(--c-primary);box-shadow:var(--shadow)}
.scene-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s}
.scene-card:hover .scene-thumb img{transform:scale(1.06)}
.scene-thumb .tag{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(0,0,0,.6);backdrop-filter:blur(6px);color:#fff;
}
.scene-thumb .count{
  position:absolute;top:12px;right:12px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--grad-primary);color:#fff;
}
.scene-body{padding:22px;flex:1;display:flex;flex-direction:column}
.scene-body h3{font-size:20px;margin-bottom:8px}
.scene-body p{color:var(--c-muted);font-size:14.5px;flex:1}
.scene-meta{
  display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;
  padding-top:16px;border-top:1px dashed var(--c-border);
}
.chip{
  font-size:12px;padding:4px 10px;border-radius:6px;
  background:var(--c-surface-2);color:var(--c-muted);
  border:1px solid var(--c-border);
}

/* Feature row */
.feature-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.feature-card{
  padding:28px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,var(--c-surface) 0%,var(--c-surface-2) 100%);
  border:1px solid var(--c-border);
  transition:transform .3s,border-color .3s;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--c-primary)}
.feature-num{
  display:inline-block;font-size:32px;font-weight:800;
  background:var(--grad-primary);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;
}
.feature-card h4{font-size:17px;margin-bottom:8px}
.feature-card p{color:var(--c-muted);font-size:14px;margin:0}

/* Split feature */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.split-media::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(255,61,127,.15),transparent 60%);
  pointer-events:none;
}
.split h2{font-size:32px;margin-bottom:16px}
.split-list{margin-top:20px}
.split-list li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px dashed var(--c-border);
}
.split-list li:last-child{border-bottom:none}
.check{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--grad-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.split-list strong{display:block;margin-bottom:2px;font-size:15.5px}
.split-list span{color:var(--c-muted);font-size:14px}

/* Flow steps */
.flow-bg{background:var(--c-bg-2)}
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;
}
.flow::before{
  content:"";position:absolute;top:38px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,var(--c-primary),var(--c-primary-2),transparent);
  opacity:.4;z-index:0;
}
.step{position:relative;z-index:1;text-align:center;padding:0 8px}
.step-dot{
  width:76px;height:76px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;font-size:26px;font-weight:800;
  color:var(--c-primary);
  box-shadow:0 0 0 6px rgba(255,61,127,.08);
}
.step h4{font-size:17px;margin-bottom:8px}
.step p{color:var(--c-muted);font-size:14px;margin:0}

/* Stats strip */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--c-border);
  background:linear-gradient(90deg,var(--c-surface) 0%,var(--c-surface-2) 100%);
}
.stat{padding:32px 24px;text-align:center;border-right:1px solid var(--c-border)}
.stat:last-child{border-right:none}
.stat-n{
  font-size:36px;font-weight:800;
  background:var(--grad-warm);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:6px;
}
.stat-l{color:var(--c-muted);font-size:14px}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);margin-bottom:14px;
  transition:border-color .25s;overflow:hidden;
}
.faq-item[open]{border-color:var(--c-primary)}
.faq-item summary{
  padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:24px;color:var(--c-primary);font-weight:400;
  transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;color:var(--c-muted);font-size:15px;line-height:1.8}

/* CTA banner */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:60px 48px;
  background:
    linear-gradient(135deg,rgba(255,61,127,.85),rgba(185,60,255,.8)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  text-align:center;
}
.cta-banner h2{font-size:32px;margin-bottom:12px;color:#fff}
.cta-banner p{color:rgba(255,255,255,.92);font-size:16px;margin-bottom:26px;max-width:640px;margin-left:auto;margin-right:auto}
.cta-banner .btn-primary{background:#fff;color:var(--c-primary)}
.cta-banner .btn-primary:hover{background:#fff;color:var(--c-primary-2);transform:translateY(-2px)}
.cta-banner .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-banner .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* Footer */
footer{background:#080510;border-top:1px solid var(--c-border);padding:56px 0 26px;margin-top:20px}
.footer-content{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px;
}
.footer-about h3{
  font-size:20px;margin-bottom:14px;
  background:var(--grad-primary);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-about p{color:var(--c-muted);font-size:14px;line-height:1.75}
.footer-links h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-links ul li{margin-bottom:10px}
.footer-links a{color:var(--c-muted);font-size:14px}
.footer-links a:hover{color:var(--c-primary)}
.footer-bottom{
  padding-top:22px;border-top:1px solid var(--c-border);
  text-align:center;color:var(--c-muted);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .scene-list{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:36px}
  .flow::before{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--c-border)}
  .footer-content{grid-template-columns:1fr 1fr;gap:28px}
  .hero-ribbon h1{font-size:36px}
}
@media (max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--c-bg-2);
    padding:16px 20px;border-bottom:1px solid var(--c-border);gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:left;border-radius:8px}
  .mobile-menu-btn{display:block}
  .page-hero{padding:50px 0 44px}
  .hero-ribbon{grid-template-columns:1fr;gap:32px}
  .hero-ribbon h1{font-size:30px}
  .hero-stack{grid-template-rows:repeat(6,20px)}
  .split{grid-template-columns:1fr;gap:28px}
  section{padding:52px 0}
  .section-head h2{font-size:26px}
  .split h2,.cta-banner h2{font-size:24px}
  .cta-banner{padding:44px 22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .scene-list{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--c-border)}
  .stat:last-child{border-bottom:none}
  .footer-content{grid-template-columns:1fr}
  .hero-ribbon h1{font-size:26px}
  .hero-lead{font-size:15.5px}
}