/* roulang page: index */
:root {
            --primary: #1a2a3a;
            --primary-light: #2c3e50;
            --accent: #e8a838;
            --accent-hover: #d4952f;
            --bg-dark: #0f1a24;
            --bg-card: #1a2a3a;
            --bg-section: #13212e;
            --text-light: #f0f4f8;
            --text-muted: #a0b4c8;
            --text-body: #d0dce8;
            --border-color: #2a3f52;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
        button, .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 32px; border-radius: 50px; font-weight: 600;
            border: none; cursor: pointer; transition: var(--transition);
            font-size: 1rem; letter-spacing: 0.3px;
        }
        .btn-primary { background: var(--accent); color: #0f1a24; }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.3); }
        .btn-outline { background: transparent; border: 2px solid var(--accent); color: var(--accent); }
        .btn-outline:hover { background: var(--accent); color: #0f1a24; transform: translateY(-2px); }
        .section { padding: 80px 0; }
        .section-title { font-size: 2.2rem; font-weight: 700; color: var(--text-light); margin-bottom: 12px; letter-spacing: -0.5px; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 640px; margin-bottom: 48px; }
        .card {
            background: var(--bg-card); border-radius: var(--radius);
            border: 1px solid var(--border-color); padding: 28px;
            transition: var(--transition); box-shadow: var(--shadow-card);
        }
        .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.5px;
            background: rgba(232,168,56,0.15); color: var(--accent);
            border: 1px solid rgba(232,168,56,0.3);
        }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }
        .divider { width: 60px; height: 3px; background: var(--accent); border-radius: 4px; margin: 16px 0 24px; }
        .glass { background: rgba(26,42,58,0.7); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.06); }
        .text-gradient { background: linear-gradient(135deg, var(--accent), #f5d68a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .faq-item { border-bottom: 1px solid var(--border-color); padding: 20px 0; cursor: pointer; }
        .faq-question { font-weight: 600; color: var(--text-light); display: flex; justify-content: space-between; align-items: center; }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; color: var(--text-muted); padding-top: 0; }
        .faq-item.active .faq-answer { max-height: 300px; padding-top: 16px; }
        .faq-item.active .faq-icon { transform: rotate(180deg); }
        .faq-icon { transition: transform 0.3s ease; color: var(--accent); }
        .hero-overlay { position: relative; overflow: hidden; }
        .hero-overlay::after { content:''; position:absolute; inset:0; background: linear-gradient(135deg, rgba(15,26,36,0.92) 0%, rgba(15,26,36,0.6) 50%, rgba(15,26,36,0.85) 100%); z-index:1; }
        .hero-overlay > * { position:relative; z-index:2; }
        .grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
        .nav-link { position: relative; padding: 8px 0; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
        .nav-link::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:var(--accent); transition:width 0.3s ease; }
        .nav-link:hover { color: var(--text-light); }
        .nav-link:hover::after { width:100%; }
        .nav-link.active { color: var(--accent); }
        .nav-link.active::after { width:100%; }
        .mobile-menu { display: none; }
        @media (max-width: 1024px) {
            .section { padding: 60px 0; }
            .section-title { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.5rem; }
            .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }
            .stat-number { font-size: 2.2rem; }
            .desktop-nav { display: none !important; }
            .mobile-menu { display: flex; }
            .grid-auto { grid-template-columns: 1fr; }
            .hero-title { font-size: 2rem !important; }
            .hero-subtitle { font-size: 1rem !important; }
            .btn { padding: 12px 24px; font-size: 0.9rem; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 1.3rem; }
            .card { padding: 20px; }
            .hero-title { font-size: 1.6rem !important; }
            .stat-number { font-size: 1.8rem; }
        }
        @media (min-width: 769px) {
            .mobile-menu-btn { display: none !important; }
            .mobile-drawer { display: none !important; }
        }
        .mobile-drawer { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15,26,36,0.98); z-index: 999; padding: 80px 24px 24px; flex-direction: column; gap: 20px; }
        .mobile-drawer.open { display: flex; }
        .mobile-drawer a { font-size: 1.2rem; padding: 12px 0; border-bottom: 1px solid var(--border-color); color: var(--text-light); }
        .mobile-drawer a:hover { color: var(--accent); }
        .footer-link { color: var(--text-muted); transition: var(--transition); }
        .footer-link:hover { color: var(--accent); }
        .tag { display: inline-block; padding: 2px 12px; border-radius: 50px; font-size: 0.7rem; background: rgba(232,168,56,0.1); color: var(--accent); border: 1px solid rgba(232,168,56,0.2); }
        .cms-list-empty { padding: 32px; text-align: center; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border-color); }
        .focus-ring:focus { outline: 2px solid var(--accent); outline-offset: 4px; }
        ::selection { background: rgba(232,168,56,0.3); color: #fff; }
        .step-circle { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: #0f1a24; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.2rem; flex-shrink: 0; }
        .cta-section { background: linear-gradient(135deg, #1a2a3a, #0f1a24); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 56px 48px; }
        @media (max-width: 768px) { .cta-section { padding: 32px 20px; } }

/* roulang page: article */
:root {
            --primary: #0f1724;
            --primary-light: #1a2538;
            --accent: #f0b429;
            --accent-hover: #f5c542;
            --accent-glow: rgba(240, 180, 41, 0.25);
            --bg-body: #0b1119;
            --bg-card: #131e2f;
            --bg-card-hover: #1a2740;
            --text-light: #f0f4fa;
            --text-body: #c8d0dc;
            --text-muted: #7a8aa0;
            --border-color: #1e2d44;
            --border-light: #2a3d58;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(240,180,41,0.06);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(240,180,41,0.12);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body { font-family:'Inter','Segoe UI','PingFang SC','Microsoft YaHei',sans-serif; background:var(--bg-body); color:var(--text-body); line-height:1.7; -webkit-font-smoothing:antialiased; }
        a { color:inherit; text-decoration:none; transition:var(--transition); }
        img { max-width:100%; height:auto; display:block; border-radius:var(--radius-sm); }
        .container { max-width:1200px; margin:0 auto; padding:0 24px; }
        .glass { background:rgba(15,23,36,0.82); backdrop-filter:blur(20px) saturate(1.2); -webkit-backdrop-filter:blur(20px) saturate(1.2); }
        .btn { display:inline-flex; align-items:center; gap:10px; padding:12px 28px; border-radius:50px; font-weight:600; font-size:0.92rem; border:none; cursor:pointer; transition:var(--transition); position:relative; overflow:hidden; }
        .btn-primary { background:linear-gradient(135deg,var(--accent),#d9a020); color:#0b1119; box-shadow:0 4px 20px var(--accent-glow); }
        .btn-primary:hover { background:linear-gradient(135deg,var(--accent-hover),#e0b030); transform:translateY(-2px); box-shadow:0 8px 32px var(--accent-glow); }
        .btn-outline { background:transparent; color:var(--text-light); border:1px solid var(--border-light); }
        .btn-outline:hover { background:rgba(240,180,41,0.08); border-color:var(--accent); transform:translateY(-2px); }
        .nav-link { position:relative; font-size:0.92rem; font-weight:500; color:var(--text-muted); padding:6px 0; transition:var(--transition); }
        .nav-link::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:var(--accent); border-radius:2px; transition:var(--transition); }
        .nav-link:hover { color:var(--text-light); }
        .nav-link:hover::after { width:100%; }
        .nav-link.active { color:var(--accent); }
        .nav-link.active::after { width:100%; background:var(--accent); }
        .footer-link { color:var(--text-muted); transition:var(--transition); position:relative; }
        .footer-link:hover { color:var(--accent); padding-left:4px; }
        .badge { display:inline-flex; align-items:center; gap:6px; padding:4px 14px; border-radius:50px; font-size:0.78rem; font-weight:500; background:rgba(240,180,41,0.12); color:var(--accent); border:1px solid rgba(240,180,41,0.2); }
        .badge-cat { background:rgba(100,140,255,0.12); color:#7aa0ff; border-color:rgba(100,140,255,0.2); }
        .section-title { font-size:1.6rem; font-weight:700; color:var(--text-light); margin-bottom:8px; letter-spacing:-0.3px; }
        .section-sub { color:var(--text-muted); font-size:0.95rem; max-width:600px; }
        .card { background:var(--bg-card); border-radius:var(--radius); border:1px solid var(--border-color); transition:var(--transition); overflow:hidden; }
        .card:hover { background:var(--bg-card-hover); border-color:var(--border-light); box-shadow:var(--shadow-hover); transform:translateY(-4px); }
        .divider { height:1px; background:linear-gradient(90deg,transparent,var(--border-light),transparent); margin:48px 0; }
        /* article content */
        .article-body h2 { font-size:1.45rem; font-weight:700; color:var(--text-light); margin:36px 0 16px; padding-bottom:10px; border-bottom:1px solid var(--border-color); }
        .article-body h3 { font-size:1.2rem; font-weight:600; color:var(--text-light); margin:28px 0 12px; }
        .article-body p { margin-bottom:18px; line-height:1.9; font-size:0.98rem; }
        .article-body ul, .article-body ol { margin:16px 0 20px 24px; }
        .article-body li { margin-bottom:8px; line-height:1.8; }
        .article-body a { color:var(--accent); border-bottom:1px solid rgba(240,180,41,0.3); }
        .article-body a:hover { color:var(--accent-hover); border-bottom-color:var(--accent); }
        .article-body blockquote { border-left:3px solid var(--accent); background:rgba(240,180,41,0.06); padding:16px 24px; margin:24px 0; border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--text-body); font-style:italic; }
        .article-body img { border-radius:var(--radius-sm); margin:24px 0; box-shadow:var(--shadow-card); }
        .article-body pre { background:var(--primary); border:1px solid var(--border-color); border-radius:var(--radius-sm); padding:20px 24px; overflow-x:auto; font-size:0.88rem; color:var(--text-body); margin:20px 0; }
        .article-body code { background:rgba(240,180,41,0.08); padding:2px 8px; border-radius:4px; font-size:0.88rem; color:var(--accent); }
        /* mobile nav */
        .mobile-nav { position:fixed; top:0; right:-100%; width:300px; height:100vh; background:rgba(15,23,36,0.98); backdrop-filter:blur(24px); border-left:1px solid var(--border-color); padding:80px 32px 32px; transition:var(--transition); z-index:200; display:flex; flex-direction:column; gap:24px; }
        .mobile-nav.open { right:0; }
        .mobile-nav a { font-size:1.1rem; color:var(--text-muted); font-weight:500; }
        .mobile-nav a:hover, .mobile-nav a.active { color:var(--accent); }
        .overlay { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.6); backdrop-filter:blur(4px); z-index:150; opacity:0; pointer-events:none; transition:var(--transition); }
        .overlay.show { opacity:1; pointer-events:auto; }
        /* responsiveness */
        @media (max-width:1024px) {
            .container { padding:0 20px; }
            .desktop-nav { display:none !important; }
            .mobile-menu-btn { display:flex !important; }
        }
        @media (min-width:1025px) {
            .mobile-menu-btn { display:none !important; }
            .mobile-nav { display:none !important; }
        }
        @media (max-width:768px) {
            .section-title { font-size:1.3rem; }
            .article-body h2 { font-size:1.25rem; }
            .article-body p { font-size:0.93rem; }
            .article-body blockquote { padding:12px 16px; }
        }
        @media (max-width:520px) {
            .container { padding:0 16px; }
            .btn { padding:10px 20px; font-size:0.85rem; }
            .article-body ul, .article-body ol { margin-left:16px; }
            .badge { font-size:0.72rem; padding:3px 10px; }
        }
        /* scrollbar */
        ::-webkit-scrollbar { width:6px; }
        ::-webkit-scrollbar-track { background:var(--primary); }
        ::-webkit-scrollbar-thumb { background:var(--border-light); border-radius:3px; }
        ::-webkit-scrollbar-thumb:hover { background:var(--text-muted); }
        /* loading shimmer */
        .shimmer { background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 75%); background-size:200% 100%; animation:shimmer 1.8s infinite; border-radius:var(--radius-sm); }
        @keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --secondary: #16213e;
            --accent: #f0b429;
            --accent-hover: #f5c542;
            --accent-dark: #d99f1f;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dark: #1e293b;
            --border-color: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-hover-bg: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --section-gap: 100px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--primary);
            color: var(--text-light);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            outline: none;
            border: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Glass Header ===== */
        .glass {
            backdrop-filter: blur(20px) saturate(1.4);
            background: rgba(15, 15, 26, 0.85);
            border-bottom: 1px solid var(--border-color);
        }

        /* ===== Navigation ===== */
        .desktop-nav .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .desktop-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .desktop-nav .nav-link:hover {
            color: var(--text-light);
        }
        .desktop-nav .nav-link:hover::after {
            width: 100%;
        }
        .desktop-nav .nav-link.active {
            color: var(--accent);
        }
        .desktop-nav .nav-link.active::after {
            width: 100%;
            background: var(--accent);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #0f0f1a !important;
            font-weight: 600;
            border-radius: 40px;
            padding: 10px 28px;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 20px rgba(240, 180, 41, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(240, 180, 41, 0.35);
            background: linear-gradient(135deg, var(--accent-hover), var(--accent));
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1.5px solid var(--border-color);
            border-radius: 40px;
            padding: 10px 28px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(240, 180, 41, 0.06);
            transform: translateY(-2px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
            transition: var(--transition);
        }
        .mobile-menu-btn:hover {
            color: var(--accent);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 100px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            filter: brightness(0.35) saturate(1.1);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(15, 15, 26, 0.3) 0%, var(--primary) 80%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(240, 180, 41, 0.15);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1px solid rgba(240, 180, 41, 0.2);
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
            background: linear-gradient(to right, #f1f5f9, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .section-tag {
            display: inline-block;
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
            background: rgba(240, 180, 41, 0.1);
            padding: 4px 16px;
            border-radius: 40px;
            border: 1px solid rgba(240, 180, 41, 0.15);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .card:hover {
            background: var(--card-hover-bg);
            border-color: rgba(240, 180, 41, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .card-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 16px;
            display: inline-block;
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 16px;
            transition: var(--transition);
        }
        .card-link:hover {
            gap: 12px;
            color: var(--accent-hover);
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== Steps ===== */
        .step-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 36px 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            background: var(--card-hover-bg);
            border-color: rgba(240, 180, 41, 0.15);
            transform: translateY(-4px);
        }
        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(240, 180, 41, 0.15);
            line-height: 1;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 24px;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item summary {
            padding: 20px 0;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--text-light);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 0 20px 0;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item:hover {
            border-color: rgba(240, 180, 41, 0.2);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(240, 180, 41, 0.06), rgba(15, 15, 26, 0.9));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .footer-link {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 99;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #0f0f1a;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(240, 180, 41, 0.3);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--accent-hover);
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(240, 180, 41, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 64px 0;
            }
            :root {
                --section-gap: 72px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-menu-btn {
                display: block;
            }
            .mobile-nav-open .desktop-nav {
                display: flex !important;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                padding: 24px 28px;
                gap: 20px;
                border-bottom: 1px solid var(--border-color);
                align-items: flex-start;
            }
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .hero-section {
                min-height: 60vh;
                padding: 100px 0 80px;
            }
            .hero-title {
                font-size: clamp(2rem, 8vw, 2.8rem);
            }
            .hero-sub {
                font-size: 1rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .card {
                padding: 24px 20px;
            }
            .step-item {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 56px 0;
            }
            footer {
                padding: 32px 0 16px !important;
            }
            footer .container>div:first-child {
                grid-template-columns: 1fr !important;
                gap: 24px !important;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .faq-item summary {
                font-size: 0.9rem;
                padding: 16px 0;
            }
            .faq-item .faq-answer {
                font-size: 0.85rem;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Focus Visible ===== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }