/* roulang page: index */
:root {
  --primary: #0a1f3d;
  --primary-light: #132e52;
  --primary-dark: #061226;
  --accent: #e8790c;
  --accent-light: #f59e0b;
  --accent-dark: #c26a0a;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f1f5f9;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --container: 1200px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button,input,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}
.section{padding:80px 0}
@media(max-width:768px){.section{padding:56px 0}}
.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:12px;color:var(--primary)}
.section-sub{font-size:1.05rem;color:var(--text-light);text-align:center;max-width:640px;margin:0 auto 48px;line-height:1.7}
@media(max-width:768px){.section-title{font-size:1.6rem}.section-sub{font-size:0.95rem;margin-bottom:32px}}

/* ===== Header / Dock Nav ===== */
header{position:fixed;top:16px;left:0;right:0;z-index:1000;pointer-events:none}
.dock-nav{max-width:var(--container);margin:0 auto;padding:0 24px;pointer-events:auto}
.nav-inner{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-xl);padding:0 28px;height:60px;box-shadow:0 4px 30px rgba(0,0,0,0.08);border:1px solid rgba(255,255,255,0.5);transition:box-shadow var(--transition)}
.nav-inner:hover{box-shadow:0 8px 40px rgba(0,0,0,0.12)}
.nav-logo{font-size:1.15rem;font-weight:700;color:var(--primary);white-space:nowrap;letter-spacing:0.3px}
.nav-logo i{color:var(--accent);margin-right:8px;font-size:1.1rem}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:8px 18px;border-radius:var(--radius-lg);font-size:0.9rem;font-weight:500;color:var(--text-light);transition:all var(--transition);position:relative}
.nav-links a:hover{color:var(--primary);background:rgba(10,31,61,0.06)}
.nav-links a.active{color:var(--white);background:var(--primary);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn-primary{padding:8px 22px;border-radius:var(--radius-lg);background:var(--accent);color:var(--white);font-weight:600;font-size:0.9rem;transition:all var(--transition);border:none;cursor:pointer}
.nav-cta .btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(232,121,12,0.35)}
.nav-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--primary);cursor:pointer;padding:4px}
@media(max-width:768px){
  header{top:12px}
  .dock-nav{padding:0 12px}
  .nav-inner{padding:0 16px;height:54px;border-radius:var(--radius-lg)}
  .nav-logo{font-size:1rem}
  .nav-logo span{display:none}
  .nav-links{position:fixed;top:72px;left:12px;right:12px;background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);border-radius:var(--radius-md);flex-direction:column;padding:12px;gap:4px;box-shadow:var(--shadow-md);border:1px solid var(--border);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all var(--transition)}
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{padding:12px 16px;width:100%;text-align:center;font-size:0.95rem}
  .nav-toggle{display:block}
  .nav-cta .btn-primary{padding:6px 16px;font-size:0.85rem}
}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg, #0a1f3d 0%, #132e52 40%, #1a3a5c 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;opacity:0.3;animation:heroZoom 20s ease-in-out infinite alternate}
@keyframes heroZoom{0%{transform:scale(1)}100%{transform:scale(1.08)}}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg, rgba(10,31,61,0.85) 0%, rgba(19,46,82,0.75) 50%, rgba(10,31,61,0.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:860px;padding:40px 24px}
.hero-badge{display:inline-block;padding:6px 20px;background:rgba(232,121,12,0.2);border:1px solid rgba(232,121,12,0.3);border-radius:var(--radius-xl);color:var(--accent-light);font-size:0.85rem;font-weight:500;margin-bottom:24px;letter-spacing:0.5px}
.hero-badge i{margin-right:6px;font-size:0.8rem}
.hero h1{font-size:3rem;font-weight:800;color:var(--white);line-height:1.2;margin-bottom:20px;letter-spacing:-0.5px}
.hero h1 span{color:var(--accent-light);position:relative}
.hero p{font-size:1.15rem;color:rgba(255,255,255,0.8);max-width:640px;margin:0 auto 36px;line-height:1.8}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.hero-actions .btn-primary{padding:14px 40px;border-radius:var(--radius-lg);background:var(--accent);color:var(--white);font-weight:700;font-size:1.05rem;transition:all var(--transition);border:none;cursor:pointer}
.hero-actions .btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(232,121,12,0.4)}
.hero-actions .btn-outline{padding:14px 36px;border-radius:var(--radius-lg);background:transparent;color:var(--white);font-weight:600;font-size:1.05rem;border:2px solid rgba(255,255,255,0.3);transition:all var(--transition);cursor:pointer}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.6)}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.12)}
.hero-stat{text-align:center}
.hero-stat .num{font-size:1.8rem;font-weight:800;color:var(--white);display:block}
.hero-stat .label{font-size:0.85rem;color:rgba(255,255,255,0.6);margin-top:4px}
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .hero p{font-size:1rem}
  .hero-actions .btn-primary,.hero-actions .btn-outline{padding:12px 28px;font-size:0.95rem}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .hero-stat .num{font-size:1.4rem}
}
@media(max-width:520px){
  .hero h1{font-size:1.6rem}
  .hero-stats{gap:16px}
  .hero-stat{flex:1;min-width:80px}
}

/* ===== Advantages ===== */
.advantages{background:var(--white)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.adv-card{background:var(--bg);border-radius:var(--radius-md);padding:36px 28px;text-align:center;border:1px solid var(--border);transition:all var(--transition);position:relative;overflow:hidden}
.adv-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent);opacity:0;transition:opacity var(--transition)}
.adv-card:hover::before{opacity:1}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.adv-icon{width:64px;height:64px;border-radius:var(--radius-sm);background:linear-gradient(135deg, rgba(232,121,12,0.12), rgba(245,158,11,0.08));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.6rem;color:var(--accent)}
.adv-card h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:12px}
.adv-card p{font-size:0.92rem;color:var(--text-light);line-height:1.7}
@media(max-width:768px){.adv-grid{grid-template-columns:1fr;gap:20px}}
@media(min-width:769px)and(max-width:1024px){.adv-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== Services ===== */
.services{background:var(--bg-alt)}
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.serv-card{background:var(--white);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);transition:all var(--transition);display:flex;flex-direction:column}
.serv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.serv-img{height:200px;overflow:hidden;position:relative}
.serv-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.serv-card:hover .serv-img img{transform:scale(1.05)}
.serv-img .tag{position:absolute;top:12px;left:12px;padding:4px 14px;background:var(--accent);color:var(--white);border-radius:var(--radius-lg);font-size:0.75rem;font-weight:600}
.serv-body{padding:24px 22px 28px;flex:1;display:flex;flex-direction:column}
.serv-body h3{font-size:1.1rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.serv-body p{font-size:0.9rem;color:var(--text-light);line-height:1.7;flex:1}
.serv-body .serv-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:0.88rem;font-weight:600;color:var(--accent);transition:gap var(--transition)}
.serv-body .serv-link:hover{gap:12px}
@media(max-width:768px){.serv-grid{grid-template-columns:1fr;gap:20px}}
@media(min-width:769px)and(max-width:1024px){.serv-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== News / CMS List ===== */
.news{background:var(--white)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:flex;gap:20px;padding:20px;background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);transition:all var(--transition);align-items:flex-start}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--accent)}
.news-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:linear-gradient(135deg, rgba(10,31,61,0.08), rgba(10,31,61,0.04));display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary);flex-shrink:0}
.news-info{flex:1;min-width:0}
.news-info .cat{display:inline-block;font-size:0.72rem;padding:2px 10px;border-radius:var(--radius-lg);background:rgba(232,121,12,0.12);color:var(--accent);font-weight:600;margin-bottom:6px}
.news-info h4{font-size:0.95rem;font-weight:600;color:var(--primary);margin-bottom:6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-info p{font-size:0.82rem;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-info .meta{font-size:0.75rem;color:var(--text-light);margin-top:8px;display:flex;gap:12px;align-items:center}
.news-info .meta i{margin-right:4px}
.news-empty{grid-column:1/-1;text-align:center;padding:48px 24px;color:var(--text-light);font-size:0.95rem;background:var(--bg);border-radius:var(--radius-md);border:1px dashed var(--border)}
.news-more{text-align:center;margin-top:36px}
.news-more .btn-outline-primary{padding:12px 36px;border-radius:var(--radius-lg);border:2px solid var(--primary);color:var(--primary);font-weight:600;font-size:0.92rem;transition:all var(--transition);background:transparent;cursor:pointer}
.news-more .btn-outline-primary:hover{background:var(--primary);color:var(--white)}
@media(max-width:768px){.news-grid{grid-template-columns:1fr;gap:16px}}
@media(max-width:520px){.news-card{flex-direction:column;gap:12px;align-items:stretch}.news-icon{width:40px;height:40px;font-size:1rem}}

/* ===== Process ===== */
.process{background:var(--bg-alt)}
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.proc-grid::before{content:'';position:absolute;top:48px;left:12%;right:12%;height:2px;background:linear-gradient(to right, var(--accent), var(--accent-light), var(--accent));opacity:0.3;z-index:0}
.proc-step{text-align:center;position:relative;z-index:1}
.proc-num{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg, var(--primary), var(--primary-light));color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;margin:0 auto 20px;box-shadow:0 4px 16px rgba(10,31,61,0.2);position:relative}
.proc-num::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(232,121,12,0.3);animation:pulseRing 2s ease-in-out infinite}
@keyframes pulseRing{0%,100%{transform:scale(1);opacity:0.6}50%{transform:scale(1.08);opacity:0.2}}
.proc-step h3{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.proc-step p{font-size:0.85rem;color:var(--text-light);line-height:1.6;max-width:180px;margin:0 auto}
@media(max-width:768px){.proc-grid{grid-template-columns:repeat(2,1fr);gap:20px}.proc-grid::before{display:none}}
@media(max-width:520px){.proc-grid{grid-template-columns:1fr;gap:28px}}

/* ===== FAQ ===== */
.faq{background:var(--white)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color var(--transition)}
.faq-item:hover{border-color:var(--accent)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;background:var(--bg);font-weight:600;font-size:0.95rem;color:var(--primary);transition:background var(--transition);gap:12px}
.faq-q i{color:var(--accent);font-size:0.85rem;transition:transform var(--transition);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all 0.35s;font-size:0.9rem;color:var(--text-light);line-height:1.7}
.faq-item.open .faq-a{padding:0 24px 20px;max-height:300px}
@media(max-width:768px){.faq-q{padding:14px 16px;font-size:0.88rem}.faq-a{padding:0 16px}.faq-item.open .faq-a{padding:0 16px 16px}}

/* ===== CTA ===== */
.cta{position:relative;background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);overflow:hidden;padding:80px 0}
.cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;opacity:0.08}
.cta .container{position:relative;z-index:1;text-align:center}
.cta h2{font-size:2rem;font-weight:800;color:var(--white);margin-bottom:16px}
.cta p{font-size:1.05rem;color:rgba(255,255,255,0.8);max-width:560px;margin:0 auto 32px;line-height:1.7}
.cta .btn-cta{padding:16px 48px;border-radius:var(--radius-lg);background:var(--accent);color:var(--white);font-weight:700;font-size:1.1rem;border:none;cursor:pointer;transition:all var(--transition)}
.cta .btn-cta:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(232,121,12,0.4)}
.cta .btn-cta i{margin-right:8px}
@media(max-width:768px){
  .cta{padding:56px 0}
  .cta h2{font-size:1.5rem}
  .cta p{font-size:0.95rem}
  .cta .btn-cta{padding:14px 32px;font-size:1rem}
}

/* ===== Footer ===== */
footer{background:var(--primary-dark);color:rgba(255,255,255,0.7);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{font-size:1.2rem;font-weight:700;color:var(--white);margin-bottom:12px;display:inline-block}
.footer-brand .logo i{color:var(--accent);margin-right:8px}
.footer-brand p{font-size:0.88rem;line-height:1.7;max-width:340px}
.footer-col h4{font-size:0.95rem;font-weight:700;color:var(--white);margin-bottom:16px}
.footer-col a{display:block;font-size:0.85rem;padding:5px 0;color:rgba(255,255,255,0.6);transition:color var(--transition)}
.footer-col a:hover{color:var(--accent-light)}
.footer-social{display:flex;gap:12px;margin-top:12px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.7);font-size:0.95rem;transition:all var(--transition)}
.footer-social a:hover{background:var(--accent);color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:20px;text-align:center;font-size:0.82rem;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-bottom a:hover{color:var(--accent-light)}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;gap:24px}}

/* ===== Utility ===== */
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.gap-8{gap:8px}
.flex-center{display:flex;align-items:center;justify-content:center}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #d42a2a;
            --primary-dark: #a91e1e;
            --primary-light: #fce8e8;
            --accent: #f5b042;
            --accent-dark: #e09a2e;
            --bg: #f8f6f2;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-dark-muted: #2a2a3e;
            --text: #1e1e2a;
            --text-light: #5a5a6a;
            --text-white: #f0f0f0;
            --border: #e8e3dc;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-btn: 0 4px 16px rgba(212, 42, 42, 0.25);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 24px 0;
            pointer-events: none;
        }
        .dock-nav {
            max-width: 900px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-radius: 60px;
            padding: 10px 24px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255, 255, 255, 0.7) inset;
            display: flex;
            align-items: center;
            justify-content: space-between;
            pointer-events: auto;
            transition: var(--transition);
        }
        .dock-nav:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 42, 42, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-primary i {
            font-size: 0.85rem;
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.08);
        }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.75) 0%, rgba(26, 26, 46, 0.45) 70%, rgba(0, 0, 0, 0.25) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 860px;
            text-align: center;
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.85);
            max-width: 660px;
            margin: 0 auto 32px;
            line-height: 1.7;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-actions .btn-primary {
            padding: 14px 36px;
            font-size: 1rem;
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 4px 20px rgba(245, 176, 66, 0.4);
        }
        .hero-actions .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 28px rgba(245, 176, 66, 0.5);
        }
        .hero-actions .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.06);
        }
        .hero-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .num span {
            color: var(--accent);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== Section Common ===== */
        section {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-title h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-title h2 i {
            color: var(--primary);
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 18px;
            border-radius: 40px;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        /* ===== Services / Cards Grid ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .service-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .service-card:hover .icon {
            background: var(--primary);
            color: #fff;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .service-card .tag {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-light);
            border: 1px solid var(--border);
        }

        /* ===== Advantages / Feature Blocks ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .advantage-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .advantage-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .advantage-item .num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .advantage-item .content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .advantage-item .content p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Process / Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            position: relative;
        }
        .process-step {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-step .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .process-step .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            font-size: 1.4rem;
            color: var(--primary);
            opacity: 0.4;
        }
        .process-step:last-child .step-arrow {
            display: none;
        }

        /* ===== Scenarios ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-card .img-wrap {
            height: 180px;
            overflow: hidden;
            background: var(--bg);
        }
        .scenario-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .scenario-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .scenario-card .body {
            padding: 20px 22px 24px;
        }
        .scenario-card .body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .scenario-card .body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .scenario-card .body .tag {
            display: inline-block;
            margin-top: 12px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(212, 42, 42, 0.06);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-muted) 100%);
            border-radius: var(--radius);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            padding: 16px 44px;
            font-size: 1.05rem;
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 4px 24px rgba(245, 176, 66, 0.3);
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 32px rgba(245, 176, 66, 0.4);
            transform: translateY(-3px);
        }
        .cta-section .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            transition: var(--transition);
            margin-left: 12px;
        }
        .cta-section .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Footer ===== */
        footer {
            background: #151520;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 20px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .process-step .step-arrow {
                display: none;
            }
        }

        @media (max-width: 768px) {
            header {
                padding: 12px 16px 0;
            }
            .dock-nav {
                padding: 8px 16px;
                border-radius: 40px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(18px);
                border-radius: 20px;
                flex-direction: column;
                padding: 12px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
                border: 1px solid var(--border);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 12px;
                text-align: center;
            }
            .nav-cta .btn-primary {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .nav-cta .btn-primary span {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                min-height: 60vh;
                padding: 100px 20px 60px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
            section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-sm);
            }
            .cta-section .btn-outline-light {
                margin-left: 0;
                margin-top: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .dock-nav {
                padding: 6px 12px;
                border-radius: 32px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .service-card {
                padding: 24px 20px;
            }
            .advantage-item {
                flex-direction: column;
                padding: 20px;
            }
            .advantage-item .num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Scroll Padding ===== */
        #services,
        #advantages,
        #process,
        #scenarios,
        #faq,
        #contact {
            scroll-margin-top: 100px;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b4d;
            --primary-light: #1a2a6c;
            --primary-dark: #0a1233;
            --accent: #f0a500;
            --accent-light: #ffc233;
            --accent-dark: #d4890a;
            --bg-body: #f5f6fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-section-alt: #eef0f7;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-light: #ffffff;
            --border-color: #e0e2ec;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --border-radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(15, 27, 77, 0.06);
            --shadow: 0 6px 24px rgba(15, 27, 77, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 27, 77, 0.12);
            --shadow-accent: 0 6px 24px rgba(240, 165, 0, 0.3);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --radius-full: 9999px;
        }

        /* ===== Reset & Base ===== */
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
        input, textarea { font-family: inherit; font-size: 1rem; transition: var(--transition); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.75rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.125rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 1.2rem; color: var(--text-secondary); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-section-alt); }
        .section-title { text-align: center; margin-bottom: 16px; }
        .section-subtitle { text-align: center; color: var(--text-muted); font-size: 1.1rem; max-width: 700px; margin: 0 auto 48px; }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== 导航 Dock ===== */
        header { position: sticky; top: 16px; z-index: 1000; width: 100%; padding: 0 24px; }
        .dock-nav {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(15, 27, 77, 0.92);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            border-radius: var(--radius-full);
            padding: 10px 24px;
            box-shadow: 0 8px 40px rgba(15, 27, 77, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-logo i { color: var(--accent); font-size: 1.4rem; }
        .nav-logo:hover { color: var(--accent-light); }
        .nav-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { background: rgba(255,255,255,0.12); color: #fff; }
        .nav-links a.active { background: var(--accent); color: var(--primary-dark); font-weight: 700; box-shadow: 0 4px 16px rgba(240,165,0,0.3); }
        .nav-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(240,165,0,0.25);
            border: none;
            line-height: 1.4;
        }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,165,0,0.35); color: var(--primary-dark); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary i { font-size: 0.85rem; }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            background: rgba(255,255,255,0.1);
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(255,255,255,0.2);
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.2); color: #fff; border-color: rgba(255,255,255,0.4); }
        .nav-toggle { display: none; font-size: 1.5rem; color: var(--text-light); padding: 4px 8px; border-radius: var(--border-radius-sm); }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 120px 0 80px;
            margin-top: -88px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 60%, #1e3a7a 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,27,77,0.7) 0%, rgba(26,42,108,0.5) 100%);
        }
        .article-banner .container { position: relative; z-index: 2; text-align: center; }
        .article-banner h1 {
            color: var(--text-light);
            font-size: 2.6rem;
            max-width: 900px;
            margin: 0 auto 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
        }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { color: var(--accent); }
        .article-meta .category-badge {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* ===== 文章主体 ===== */
        .article-main { padding: 60px 0 80px; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .article-content .cms-body h2 { margin-top: 36px; margin-bottom: 16px; font-size: 1.65rem; color: var(--primary); }
        .article-content .cms-body h3 { margin-top: 28px; margin-bottom: 12px; font-size: 1.3rem; }
        .article-content .cms-body p { line-height: 1.9; margin-bottom: 1.2rem; }
        .article-content .cms-body ul, .article-content .cms-body ol { margin-bottom: 1.2rem; padding-left: 24px; list-style: disc; color: var(--text-secondary); }
        .article-content .cms-body li { margin-bottom: 6px; }
        .article-content .cms-body img { border-radius: var(--border-radius); margin: 24px 0; box-shadow: var(--shadow-sm); }
        .article-content .cms-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content .cms-body a { color: var(--accent-dark); text-decoration: underline; }
        .article-content .cms-body a:hover { color: var(--accent); }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; display: block; }
        .article-not-found h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .article-not-found .btn-primary { display: inline-flex; }

        /* ===== 侧边栏 ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h4 { font-size: 1.1rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
        .sidebar-card h4 i { color: var(--accent); }
        .sidebar-card ul li { margin-bottom: 12px; }
        .sidebar-card ul li a { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.95rem; padding: 6px 0; transition: var(--transition); }
        .sidebar-card ul li a:hover { color: var(--accent-dark); padding-left: 6px; }
        .sidebar-card ul li a i { color: var(--accent); font-size: 0.75rem; }
        .sidebar-cta { text-align: center; }
        .sidebar-cta p { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-muted); }
        .sidebar-cta .btn-primary { width: 100%; justify-content: center; }

        /* ===== 相关推荐 ===== */
        .related-section { padding: 60px 0 80px; background: var(--bg-section-alt); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .related-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 0; }
        .related-card .card-body { padding: 20px 22px 24px; }
        .related-card .card-body h4 { font-size: 1.1rem; margin-bottom: 8px; }
        .related-card .card-body h4 a { color: var(--text-primary); }
        .related-card .card-body h4 a:hover { color: var(--accent-dark); }
        .related-card .card-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-color); }
        .related-card .card-meta i { color: var(--accent); }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--text-light); font-size: 2.2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-section .btn-primary { font-size: 1.05rem; padding: 14px 40px; }
        .cta-section .btn-secondary { font-size: 1.05rem; padding: 14px 40px; margin-left: 12px; }

        /* ===== FAQ ===== */
        .faq-section { padding: 80px 0; background: var(--bg-white); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            gap: 16px;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; flex-shrink: 0; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px 24px; }
        .faq-answer p { margin-bottom: 0; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; }

        /* ===== 页脚 ===== */
        footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
        .footer-brand .logo { font-size: 1.4rem; font-weight: 800; color: var(--text-light); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand .logo:hover { color: var(--accent-light); }
        .footer-brand p { font-size: 0.92rem; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 360px; margin-bottom: 20px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-3px); }
        .footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--text-light); margin-bottom: 20px; letter-spacing: 0.5px; }
        .footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.55); padding: 6px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom { padding: 24px 0; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: 56px 0; }
            .dock-nav { padding: 8px 16px; border-radius: 20px; }
            .nav-links { display: none; flex-direction: column; width: 100%; background: rgba(15,27,77,0.98); border-radius: var(--border-radius); padding: 12px; margin-top: 12px; }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; text-align: center; padding: 12px; }
            .nav-toggle { display: block; }
            .nav-cta .btn-primary { display: none; }
            .article-banner { padding: 100px 0 60px; margin-top: -72px; min-height: 260px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-content { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section .btn-secondary { margin-left: 0; margin-top: 12px; display: inline-block; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-brand p { max-width: 100%; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.35rem; }
            .article-banner h1 { font-size: 1.4rem; }
            .article-meta { font-size: 0.82rem; gap: 12px; flex-direction: column; }
            .article-content { padding: 16px 14px; }
            .btn-primary { padding: 8px 18px; font-size: 0.85rem; }
            .cta-section .btn-primary { padding: 12px 28px; font-size: 0.95rem; }
            .faq-question { font-size: 0.95rem; padding: 14px 16px; }
            .faq-answer { padding: 0 16px; }
            .faq-item.open .faq-answer { padding: 0 16px 16px 16px; }
        }

        /* ===== 辅助 ===== */
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-12 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }