/* roulang page: index */
:root{
  --primary:#1e2a4a;
  --primary-dark:#131a2e;
  --secondary:#d4a853;
  --accent:#f0b90b;
  --bg:#f5f6fa;
  --bg-light:#ffffff;
  --bg-dark:#141a2e;
  --text:#1e2233;
  --text-light:#5f6678;
  --text-muted:#8a90a0;
  --border:#e4e6ef;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(30,42,74,.06);
  --shadow-md:0 6px 24px rgba(30,42,74,.08);
  --shadow-lg:0 12px 40px rgba(30,42,74,.12);
  --transition:all .3s ease;
  --container:1200px;
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.section.bg-light{background:var(--bg-light)}
.section-head{text-align:center;margin-bottom:52px}
.section-head .section-tag{display:inline-block;background:rgba(212,168,83,.12);color:var(--secondary);font-size:13px;font-weight:600;letter-spacing:1px;padding:6px 16px;border-radius:30px;margin-bottom:14px}
.section-head h2{font-size:34px;font-weight:700;color:var(--primary);letter-spacing:.5px;line-height:1.3}
.section-head p{color:var(--text-light);font-size:16px;max-width:620px;margin:12px auto 0}
.section-head.light h2{color:#fff}
.section-head.light p{color:rgba(255,255,255,.75)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:50px;font-size:15px;font-weight:600;letter-spacing:.5px;transition:var(--transition);gap:8px}
.btn-primary{background:var(--secondary);color:#fff}
.btn-primary:hover{background:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{border:2px solid rgba(255,255,255,.8);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--secondary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
/* header */
.site-header{background:rgba(255,255,255,.98);backdrop-filter:blur(12px);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;line-height:1.2}
.logo span{color:var(--secondary)}
.main-nav{display:flex;align-items:center;gap:10px}
.main-nav .nav-link{padding:8px 18px;border-radius:30px;font-size:14px;font-weight:600;color:var(--text-light);transition:var(--transition)}
.main-nav .nav-link:hover{color:var(--primary);background:rgba(30,42,74,.06)}
.main-nav .nav-link.active{color:#fff;background:var(--secondary)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:10px;background:rgba(30,42,74,.06)}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;margin:0 auto;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* hero */
.hero{background-size:cover;background-position:center;position:relative;padding:150px 0;color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,26,46,.92),rgba(20,26,46,.62))}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-badge{display:inline-block;background:var(--accent);color:var(--primary-dark);font-size:13px;font-weight:700;padding:6px 16px;border-radius:30px;margin-bottom:20px;letter-spacing:1px}
.hero h1{font-size:48px;font-weight:800;line-height:1.2;margin-bottom:18px;letter-spacing:1px}
.hero p{font-size:18px;color:rgba(255,255,255,.9);margin-bottom:32px;max-width:540px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
/* feature cards */
.feature-card{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-lg);padding:38px 30px;transition:var(--transition);box-shadow:var(--shadow-sm)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.feature-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary),#314580);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:22px}
.feature-card h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:12px}
.feature-card p{color:var(--text-light);font-size:15px}
/* category CTA */
.category-cta{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;background:var(--bg-light);border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.category-cta-text h2{font-size:30px;color:var(--primary);margin-bottom:14px}
.category-cta-text p{color:var(--text-light);font-size:16px;margin-bottom:24px}
.category-cta-img{border-radius:var(--radius-lg);height:260px;object-fit:cover;box-shadow:var(--shadow-md)}
/* split section */
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split-image{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-height:320px;object-fit:cover;width:100%}
.split-content h2{font-size:30px;color:var(--primary);line-height:1.35;margin-bottom:16px}
.split-content p{color:var(--text-light);margin-bottom:20px;font-size:15px}
.split-list{list-style:none;margin-bottom:24px}
.split-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px;color:var(--text-light)}
.split-list li::before{content:"✓";display:flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:rgba(16,185,129,.14);color:#10b981;font-size:12px;font-weight:700;flex-shrink:0;margin-top:3px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
.step{background:var(--bg-light);border-radius:var(--radius-lg);padding:36px 30px;position:relative;border:1px solid var(--border);transition:var(--transition);box-shadow:var(--shadow-sm)}
.step:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.step-num{font-size:34px;font-weight:800;color:rgba(30,42,74,.12);line-height:1;margin-bottom:20px}
.step h3{font-size:19px;color:var(--primary);margin-bottom:10px}
.step p{color:var(--text-light);font-size:14px}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px;transition:var(--transition);display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(212,168,83,.5)}
.news-tag{align-self:flex-start;background:rgba(212,168,83,.14);color:#b7841a;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:14px}
.news-card h3{font-size:17px;color:var(--primary);margin-bottom:8px;line-height:1.45}
.news-card p{color:var(--text-light);font-size:14px;flex:1;margin-bottom:16px}
.news-date{color:var(--text-muted);font-size:13px}
.empty-tip{grid-column:1/-1;text-align:center;padding:40px;background:var(--bg-light);border-radius:var(--radius-lg);color:var(--text-muted);font-size:15px;border:1px dashed var(--border)}
/* stats */
.dark-section{background-size:cover;background-position:center;position:relative;padding:90px 0}
.dark-section::before{content:"";position:absolute;inset:0;background:rgba(20,26,46,.88)}
.dark-section .container{position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:rgba(255,255,255,.08);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:30px;text-align:center;transition:var(--transition)}
.stat-card:hover{background:rgba(255,255,255,.14)}
.stat-card strong{font-size:36px;font-weight:800;color:var(--accent);display:block;margin-bottom:6px}
.stat-card span{color:rgba(255,255,255,.8);font-size:14px}
/* faq */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;transition:var(--transition)}
.faq-item.open{box-shadow:var(--shadow-md);border-color:rgba(212,168,83,.5)}
.faq-question{width:100%;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--primary);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-question::after{content:"+";font-size:22px;color:var(--secondary);font-weight:400;transition:var(--transition);flex-shrink:0}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;padding:0 24px;color:var(--text-light);font-size:15px;line-height:1.75}
.faq-item.open .faq-answer{padding-bottom:20px}
/* cta */
.cta-section{background:linear-gradient(135deg,var(--primary),#2d3a63);padding:90px 0;text-align:center;color:#fff}
.cta-section h2{font-size:36px;font-weight:800;margin-bottom:12px}
.cta-section p{color:rgba(255,255,255,.8);font-size:16px;margin-bottom:32px}
.cta-section .btn{margin:0 8px}
/* footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:60px 0 36px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand strong{font-size:22px;color:#fff;display:block;margin-bottom:10px}
.footer-brand p{font-size:14px;max-width:360px}
.footer-nav{display:flex;flex-direction:column;gap:8px}
.footer-nav a{color:rgba(255,255,255,.7);font-size:15px}
.footer-nav a:hover{color:var(--accent)}
.copyright{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
/* article page */
.breadcrumb{background:var(--bg-light);border-bottom:1px solid var(--border);padding:16px 0;font-size:14px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 8px;color:var(--border)}
.article-layout{display:grid;grid-template-columns:1fr;gap:48px}
.article-header{text-align:center;padding:48px 0 0}
.article-header .article-category{display:inline-block;background:rgba(212,168,83,.14);color:#b7841a;font-size:13px;font-weight:600;padding:5px 16px;border-radius:20px;margin-bottom:18px}
.article-header h1{font-size:38px;color:var(--primary);line-height:1.35;margin-bottom:14px}
.article-meta{color:var(--text-muted);font-size:14px}
.article-content{padding:40px;background:var(--bg-light);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.article-content p{margin-bottom:20px;color:var(--text-light);font-size:16px;line-height:1.85}
.article-content h2,.article-content h3{color:var(--primary);margin:28px 0 14px}
.article-content ul,.article-content ol{margin:0 0 20px 22px;color:var(--text-light)}
.article-content img{border-radius:var(--radius-md);margin:20px 0}
.not-found{text-align:center;padding:90px 24px}
.not-found h2{font-size:36px;color:var(--primary);margin-bottom:14px}
.not-found p{color:var(--text-muted);margin-bottom:28px}
.not-found .btn{margin-top:10px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
/* category page */
.category-banner{background-size:cover;background-position:center;position:relative;padding:110px 0;color:#fff;text-align:center}
.category-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,26,46,.9),rgba(20,26,46,.65))}
.category-banner .container{position:relative;z-index:2}
.category-banner h1{font-size:42px;font-weight:800;margin-bottom:12px}
.category-banner p{font-size:17px;color:rgba(255,255,255,.85);max-width:580px;margin:0 auto}
.category-breadcrumb{background:rgba(255,255,255,.1);display:inline-block;padding:6px 16px;border-radius:30px;font-size:13px;margin-bottom:18px}
.hero-card{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition)}
.hero-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.hero-card img{height:220px;width:100%;object-fit:cover}
.hero-card .card-body{padding:26px}
.hero-card h3{font-size:20px;color:var(--primary);margin-bottom:10px}
.hero-card p{color:var(--text-light);font-size:14px}
.hero-card .card-tag{display:inline-block;background:rgba(212,168,83,.14);color:#b7841a;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:12px}
.timeline{position:relative;max-width:880px;margin:0 auto;padding-left:36px}
.timeline::before{content:"";position:absolute;left:12px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--secondary),rgba(212,168,83,.1))}
.tl-item{position:relative;background:var(--bg-light);border-radius:var(--radius-md);border:1px solid var(--border);padding:24px 28px;margin-bottom:22px;transition:var(--transition)}
.tl-item::before{content:"";position:absolute;left:-32px;top:30px;width:12px;height:12px;border-radius:50%;background:var(--secondary);border:3px solid #fff;box-shadow:0 0 0 2px var(--secondary)}
.tl-item:hover{box-shadow:var(--shadow-md)}
.tl-item .tl-date{font-size:13px;color:var(--text-muted);margin-bottom:6px}
.tl-item h3{font-size:18px;color:var(--primary);margin-bottom:8px}
.tl-item p{color:var(--text-light);font-size:14px}
/* responsive */
@media (max-width:1024px){
  .grid-3,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .category-cta{grid-template-columns:1fr;padding:30px}
  .split-section{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:20px}
  .footer-inner{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .hero{padding:120px 0}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .site-header .main-nav{position:fixed;top:76px;left:0;right:0;background:var(--bg-light);flex-direction:column;align-items:flex-start;padding:20px 24px 28px;box-shadow:var(--shadow-md);transform:translateX(100%);transition:transform .35s ease;border-bottom:1px solid var(--border);z-index:99}
  .site-header .main-nav.open{transform:translateX(0)}
  .main-nav .nav-link{width:100%;padding:12px 16px;border-radius:10px}
  .nav-toggle{display:flex}
  .section{padding:60px 0}
  .section-head h2{font-size:26px}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .article-header h1{font-size:26px}
  .category-banner h1{font-size:30px}
  .article-content{padding:24px}
}
@media (max-width:520px){
  .grid-3,.news-grid,.stats-grid,.related-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .category-cta-img{height:200px}
  .step-num{font-size:28px}
  .stat-card{padding:22px}
  .stat-card strong{font-size:28px}
  .container{padding:0 18px}
  .split-image{max-height:220px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #8B5CF6;
            --color-primary-dark: #6D28D9;
            --color-primary-light: #A78BFA;
            --color-secondary: #06B6D4;
            --color-secondary-dark: #0E7490;
            --color-accent: #F59E0B;
            --color-bg: #0A0A0F;
            --color-bg-alt: #12121A;
            --color-bg-card: #1A1A24;
            --color-text: #EAEAF0;
            --color-text-dim: #9494A3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --color-white: #FFFFFF;
            --color-success: #10B981;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 60px rgba(0, 0, 0, 0.5);
            --shadow-primary: 0 8px 30px rgba(139, 92, 246, 0.3);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 64px;
            --space-xl: 96px;
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1280px;
        }

        /* ============ Reset / 基础 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image:
                radial-gradient(ellipse at top left, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
            background-attachment: fixed;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--color-primary-light);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--color-white);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ 头部导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 15, 0.95);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            font-size: 22px;
            font-weight: 900;
            color: var(--color-white);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 2;
        }

        .logo::before {
            content: '';
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2), 0 0 20px rgba(139, 92, 246, 0.6);
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-white);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-dim);
            padding: 8px 4px;
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

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

        .nav-link.active::after {
            width: 100%;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 8px;
            z-index: 2;
        }

        .nav-toggle span {
            width: 26px;
            height: 2px;
            background: var(--color-white);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ============ Hero 横幅 ============ */
        .page-hero {
            position: relative;
            padding: 180px 0 90px;
            background-image: linear-gradient(rgba(10, 10, 15, 0.75), rgba(10, 10, 15, 0.85)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-dim);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: var(--color-primary-light);
        }

        .hero-breadcrumb a:hover {
            color: var(--color-white);
        }

        .hero-breadcrumb i {
            font-size: 12px;
            opacity: 0.6;
        }

        .page-hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 900;
            color: var(--color-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            max-width: 800px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--color-text-dim);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(10px);
        }

        .hero-tag i {
            color: var(--color-primary-light);
        }

        /* ============ 分类页主体 ============ */
        .category-main {
            padding: 80px 0 100px;
        }

        .section-block {
            margin-bottom: 80px;
        }

        .section-block:last-child {
            margin-bottom: 0;
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--color-primary-light);
            margin-bottom: 12px;
        }

        .section-eyebrow::before {
            content: '';
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.3;
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--color-text-dim);
            margin-top: 12px;
            max-width: 600px;
        }

        /* ============ 分类选项卡 / 赛事体系 ============ */
        .tournament-tabs {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .tabs-nav {
            display: flex;
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            overflow-x: auto;
            scrollbar-width: thin;
        }

        .tabs-nav::-webkit-scrollbar {
            height: 4px;
        }

        .tabs-nav::-webkit-scrollbar-thumb {
            background: var(--color-primary);
            border-radius: 4px;
        }

        .tab-btn {
            flex-shrink: 0;
            padding: 16px 28px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-dim);
            background: transparent;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .tab-btn:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.03);
        }

        .tab-btn.active {
            color: var(--color-white);
            font-weight: 700;
            border-bottom-color: var(--color-primary);
            background: rgba(139, 92, 246, 0.06);
        }

        .tabs-content {
            padding: 40px;
        }

        .tab-panel {
            display: none;
            animation: fadeUp 0.4s ease both;
        }

        .tab-panel.active {
            display: block;
        }

        .tab-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .tab-panel-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .tab-panel-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .tab-panel-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 15, 0.6) 100%);
        }

        .tab-panel-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .tab-panel-text p {
            color: var(--color-text-dim);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .tab-feature-list {
            margin-top: 20px;
            display: grid;
            gap: 14px;
        }

        .tab-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.6;
        }

        .tab-feature-list li i {
            color: var(--color-success);
            font-size: 14px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ============ 赛事流程 / 阶段进度 ============ */
        .stage-section {
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .stage-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
        }

        .stage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .stage-item {
            position: relative;
            padding: 28px 20px 24px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .stage-item:hover {
            transform: translateY(-4px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .stage-num {
            font-size: 40px;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            display: inline-block;
        }

        .stage-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 10px;
        }

        .stage-item p {
            font-size: 14px;
            color: var(--color-text-dim);
            line-height: 1.7;
        }

        .stage-arrow {
            position: absolute;
            top: 50%;
            right: -16px;
            transform: translateY(-50%);
            color: var(--color-primary-light);
            font-size: 16px;
            z-index: 2;
        }

        .stage-item:last-child .stage-arrow {
            display: none;
        }

        /* ============ 排名榜 ============ */
        .ranking-wrap {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .ranking-header {
            display: grid;
            grid-template-columns: 80px 1fr 120px 120px;
            padding: 16px 28px;
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-dim);
            letter-spacing: 0.5px;
        }

        .ranking-list {
            display: grid;
        }

        .ranking-item {
            display: grid;
            grid-template-columns: 80px 1fr 120px 120px;
            padding: 18px 28px;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
            position: relative;
        }

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

        .ranking-item:hover {
            background: rgba(139, 92, 246, 0.04);
        }

        .ranking-place {
            font-size: 20px;
            font-weight: 900;
            color: var(--color-text-dim);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ranking-place .medal {
            font-size: 18px;
        }

        .ranking-item:nth-child(1) .ranking-place {
            color: #F59E0B;
        }

        .ranking-item:nth-child(2) .ranking-place {
            color: #94A3B8;
        }

        .ranking-item:nth-child(3) .ranking-place {
            color: #B45309;
        }

        .ranking-team {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .ranking-team-logo {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: var(--color-white);
            flex-shrink: 0;
        }

        .ranking-team-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-white);
        }

        .ranking-points {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-accent);
        }

        .ranking-rate {
            font-size: 14px;
            color: var(--color-text-dim);
        }

        /* ============ 内容卡片网格 ============ */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .guide-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
        }

        .guide-card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .guide-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .guide-card:hover .guide-card-cover img {
            transform: scale(1.05);
        }

        .guide-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 10, 15, 0.5) 100%);
        }

        .guide-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 5px 14px;
            background: rgba(139, 92, 246, 0.9);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-white);
        }

        .guide-card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .guide-card-body p {
            font-size: 15px;
            color: var(--color-text-dim);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .guide-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-light);
        }

        .guide-card-link:hover {
            color: var(--color-white);
            gap: 12px;
        }

        .guide-card-link i {
            font-size: 13px;
            transition: var(--transition);
        }

        /* ============  FAQ 区块 ============ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 28px 24px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .faq-question i {
            color: var(--color-primary-light);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .faq-answer {
            font-size: 15px;
            color: var(--color-text-dim);
            line-height: 1.75;
            padding-left: 30px;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 64px 56px;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
        }

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

        .cta-content h2 {
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 900;
            color: var(--color-white);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 17px;
            color: var(--color-text-dim);
            margin-bottom: 36px;
            line-height: 1.8;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            letter-spacing: 0.3px;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: var(--color-white);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(139, 92, 246, 0.45);
            color: var(--color-white);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-white);
            border-color: var(--color-border-light);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            background: rgba(139, 92, 246, 0.08);
            transform: translateY(-2px);
            color: var(--color-white);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 32px;
            margin-top: 40px;
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
            flex-wrap: wrap;
        }

        .footer-brand {
            max-width: 360px;
        }

        .footer-brand strong {
            font-size: 22px;
            font-weight: 900;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand strong::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-dim);
            line-height: 1.7;
        }

        .footer-nav {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .footer-nav a {
            font-size: 15px;
            color: var(--color-text-dim);
            font-weight: 500;
        }

        .footer-nav a:hover {
            color: var(--color-white);
        }

        .copyright {
            width: 100%;
            text-align: center;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-dim);
        }

        /* ============ 动画 ============ */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .stage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stage-arrow {
                display: none;
            }

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

            .ranking-header {
                grid-template-columns: 60px 1fr 90px 100px;
            }

            .ranking-item {
                grid-template-columns: 60px 1fr 90px 100px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                background: rgba(10, 10, 15, 0.97);
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: rgba(10, 10, 15, 0.98);
                flex-direction: column;
                padding: 24px 0;
                gap: 8px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                backdrop-filter: blur(20px);
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                padding: 14px 24px;
                width: 100%;
                font-size: 16px;
            }

            .nav-link.active {
                background: rgba(139, 92, 246, 0.1);
            }

            .nav-link::after {
                display: none;
            }

            .page-hero {
                padding: 140px 0 60px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .tabs-content {
                padding: 24px;
            }

            .tab-panel-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .tab-panel-img {
                order: -1;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .cta-section {
                padding: 48px 24px;
            }

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

            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 68px;
            }

            .logo {
                font-size: 18px;
            }

            .page-hero {
                padding: 120px 0 48px;
            }

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

            .hero-tag {
                font-size: 13px;
                padding: 6px 14px;
            }

            .tournament-tabs {
                border-radius: var(--radius-md);
            }

            .tabs-nav {
                flex-wrap: nowrap;
            }

            .tab-btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .tabs-content {
                padding: 20px;
            }

            .stage-section {
                padding: 32px 20px;
            }

            .stage-grid {
                grid-template-columns: 1fr;
                margin-top: 24px;
            }

            .ranking-header {
                display: none;
            }

            .ranking-item {
                grid-template-columns: 40px 1fr 60px;
                padding: 14px 18px;
                gap: 8px;
            }

            .ranking-rate {
                display: none;
            }

            .ranking-team {
                gap: 10px;
            }

            .ranking-team-logo {
                width: 36px;
                height: 36px;
                font-size: 14px;
                border-radius: 10px;
            }

            .ranking-team-name {
                font-size: 14px;
            }

            .ranking-points {
                font-size: 14px;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .guide-card-body {
                padding: 20px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }

            .footer-nav {
                gap: 16px;
            }

            .footer-brand {
                max-width: 100%;
            }
        }

        /* ============ 焦点可访问性 ============ */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============ 统一样式工具 ============ */
        .text-gradient {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-divider {
            width: 100%;
            height: 1px;
            background: var(--color-border);
            margin: 80px 0;
            border: none;
        }

/* roulang page: article */
:root{
  --color-bg:#eef2f8;
  --color-surface:#ffffff;
  --color-ink:#132238;
  --color-muted:#5b6b84;
  --color-primary:#0c1b35;
  --color-accent:#d4af37;
  --color-accent-strong:#b8912e;
  --color-border:rgba(19,34,56,.12);
  --radius-md:14px;
  --radius-lg:22px;
  --radius-xl:28px;
  --shadow-sm:0 8px 24px rgba(12,27,53,.08);
  --shadow-md:0 16px 40px rgba(12,27,53,.12);
  --shadow-lg:0 30px 70px rgba(12,27,53,.18);
  --container:1200px;
  --space-section:90px;
  --transition:.25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--color-bg);
  color:var(--color-ink);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol,blockquote{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(212,175,55,.3)}
:focus-visible{outline:3px solid rgba(212,175,55,.6);outline-offset:2px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,16,32,.84);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.logo{
  position:relative;
  font-size:1.2rem;
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
  padding-left:14px;
  line-height:1.3;
  white-space:nowrap;
}
.logo::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:5px;
  height:26px;
  border-radius:6px;
  background:linear-gradient(180deg,#f5d97a,#b8912e);
}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{
  color:rgba(255,255,255,.72);
  font-weight:600;
  font-size:.95rem;
  padding:10px 18px;
  border-radius:999px;
  transition:background var(--transition),color var(--transition),box-shadow var(--transition);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(212,175,55,.3),rgba(212,175,55,.1));
  box-shadow:inset 0 0 0 1px rgba(212,175,55,.5);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  border-radius:12px;
  padding:0;
  transition:background var(--transition);
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}
.nav-toggle span{width:18px;height:2px;background:#fff;border-radius:4px;transition:transform var(--transition),opacity var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  border-radius:999px;
  padding:12px 24px;
  font-weight:700;
  font-size:.95rem;
  border:0;
  cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition);
}
.btn-primary{
  background:linear-gradient(135deg,#d4af37,#b8912e);
  color:var(--color-primary);
  box-shadow:0 10px 24px rgba(212,175,55,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(212,175,55,.36);
}
.btn-light{
  background:#fff;
  color:var(--color-primary);
  box-shadow:0 10px 24px rgba(0,0,0,.12);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
  box-shadow:none;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  transform:translateY(-2px);
}

.badge-bright{
  display:inline-block;
  background:rgba(212,175,55,.15);
  border:1px solid rgba(212,175,55,.6);
  color:#f5d97a;
  padding:6px 14px;
  border-radius:999px;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.04em;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.55);
  font-size:.9rem;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.9);transition:color var(--transition)}
.breadcrumb a:hover{color:#f5d97a}

.article-hero{
  position:relative;
  padding:104px 0 72px;
  background-size:cover;
  background-position:center;
  color:#fff;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(7,16,32,.9),rgba(12,27,53,.62));
}
.article-hero .container{
  position:relative;
  z-index:2;
  max-width:980px;
  margin:0 auto;
}
.article-hero h1{
  font-size:clamp(2rem,4vw,2.8rem);
  line-height:1.25;
  margin:18px 0 22px;
  letter-spacing:-.02em;
  color:#fff;
}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.85);font-size:.9rem}
.article-meta .meta-dot{
  padding:4px 12px;
  background:rgba(255,255,255,.12);
  border-radius:999px;
  color:#fff;
  font-weight:700;
}
.article-meta time{color:rgba(255,255,255,.7)}

.article-content-wrap{
  padding:74px 0 80px;
  background:radial-gradient(circle at 82% 8%,rgba(212,175,55,.1),transparent 30%),#f3f6fb;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:54px;
  align-items:start;
}
.article-body{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:46px;
  box-shadow:var(--shadow-sm);
}
.article-body h2{
  font-size:1.75rem;
  line-height:1.35;
  color:var(--color-ink);
  margin:2.1em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--color-accent);
}
.article-body h3{
  font-size:1.35rem;
  line-height:1.4;
  color:var(--color-ink);
  margin:1.7em 0 .6em;
}
.article-body h4{
  font-size:1.12rem;
  color:var(--color-ink);
  margin:1.4em 0 .55em;
}
.article-body p{
  color:#405070;
  line-height:1.85;
  margin-bottom:1.15em;
  font-size:1rem;
}
.article-body ul,.article-body ol{
  color:#405070;
  margin:0 0 1.2em 1.4em;
  padding-left:.5em;
  line-height:1.9;
}
.article-body li{margin-bottom:.35em}
.article-body a{color:var(--color-accent-strong);text-decoration:underline;text-underline-offset:4px;transition:color var(--transition)}
.article-body a:hover{color:var(--color-ink)}
.article-body img{
  width:100%;
  height:auto;
  object-fit:cover;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);
  margin:1.6em 0;
}
.article-body figure{margin:1.6em 0}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px 24px;
  background:#f0f4fb;
  border-radius:var(--radius-md);
  border-left:4px solid var(--color-accent);
  color:#28405f;
  font-weight:600;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.95rem;
}
.article-body th,.article-body td{
  border:1px solid var(--color-border);
  padding:12px;
  text-align:left;
}
.article-body th{background:#f0f4fb;color:var(--color-ink)}
.article-body pre{
  background:#0b1a30;
  color:#fff;
  padding:20px;
  border-radius:var(--radius-md);
  overflow-x:auto;
  margin:1.6em 0;
}
.article-body code{
  background:#eef2f8;
  padding:2px 6px;
  border-radius:6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body iframe,.article-body video{max-width:100%;border-radius:12px;border:0}

.article-side{display:grid;gap:24px}
.side-card,.side-figure{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:1.1rem;color:var(--color-ink);margin-bottom:10px}
.side-card p{color:var(--color-muted);font-size:.94rem;line-height:1.7;margin-bottom:18px}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.side-list li{
  position:relative;
  padding-left:28px;
  color:#3c5170;
  font-size:.95rem;
  line-height:1.6;
}
.side-list li::before{
  content:"◆";
  position:absolute;
  left:0;
  top:.15em;
  color:var(--color-accent);
  font-size:.78rem;
}
.side-figure{padding:0;overflow:hidden}
.side-figure img{width:100%;height:210px;object-fit:cover}

.guide-steps{background:#fff;padding:78px 0}
.section-head{max-width:720px;margin-bottom:42px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--color-accent-strong);
  font-weight:800;
  letter-spacing:.06em;
  font-size:.78rem;
  margin-bottom:12px;
}
.section-label::before{
  content:"";
  width:20px;
  height:2px;
  background:var(--color-accent);
  border-radius:2px;
}
.section-head.center .section-label::before{display:none}
.section-title{
  font-size:2.1rem;
  line-height:1.25;
  color:var(--color-ink);
  margin:.15em 0 .45em;
  letter-spacing:-.02em;
}
.section-head p{color:var(--color-muted);font-size:1rem;line-height:1.75}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:#f7f9fd;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(212,175,55,.35);
}
.step-num{
  font-size:2.8rem;
  font-weight:900;
  line-height:1;
  color:rgba(12,27,53,.16);
  margin-bottom:20px;
}
.step-card h3{font-size:1.15rem;color:var(--color-ink);margin-bottom:10px}
.step-card p{color:var(--color-muted);line-height:1.75;font-size:.95rem}

.article-faq{padding:88px 0;background:#eef2f8}
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.2fr;
  gap:48px;
  align-items:start;
}
.article-faq h2{
  font-size:2rem;
  line-height:1.3;
  color:var(--color-ink);
  margin:12px 0 10px;
  letter-spacing:-.02em;
}
.article-faq .intro-text{color:var(--color-muted);line-height:1.75}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:18px;
  padding:4px 22px;
  box-shadow:var(--shadow-sm);
  transition:border-color var(--transition),box-shadow var(--transition);
}
.faq-item:hover{border-color:rgba(212,175,55,.35);box-shadow:var(--shadow-sm)}
.faq-item summary{
  cursor:pointer;
  font-weight:700;
  color:var(--color-ink);
  padding:16px 0;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  color:var(--color-accent-strong);
  font-size:1.4rem;
  line-height:1;
  transition:transform var(--transition);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{
  margin:0 0 18px;
  color:var(--color-muted);
  line-height:1.75;
  font-size:.95rem;
}

.article-cta{
  padding:80px 0;
  background-size:cover;
  background-position:center;
  position:relative;
}
.article-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(7,16,32,.95),rgba(7,16,32,.72));
}
.article-cta .container{position:relative;z-index:2}
.cta-box{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-xl);
  padding:40px 44px;
  backdrop-filter:blur(6px);
}
.cta-box h2{
  color:#fff;
  margin:10px 0 8px;
  font-size:1.9rem;
  line-height:1.3;
  letter-spacing:-.02em;
}
.cta-box p{color:rgba(255,255,255,.72);margin:0}
.section-label.light{color:#f0df9f}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

.article-notfound{
  position:relative;
  padding:150px 0;
  background:url('/assets/images/backpic/back-1.png') center/cover;
}
.article-notfound::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(7,16,32,.8);
}
.article-notfound .container{
  position:relative;
  z-index:2;
  max-width:640px;
  margin:0 auto;
  text-align:center;
  color:#fff;
}
.article-notfound h1{
  font-size:2.4rem;
  letter-spacing:-.02em;
  margin-bottom:16px;
  color:#fff;
}
.article-notfound p{
  color:rgba(255,255,255,.75);
  margin-bottom:28px;
  line-height:1.8;
}

.site-footer{
  background:#0a1424;
  color:rgba(255,255,255,.7);
  padding:46px 0 26px;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:32px;
  align-items:start;
}
.footer-brand strong{
  color:#fff;
  font-size:1.15rem;
  letter-spacing:.02em;
}
.footer-brand p{
  margin:10px 0 0;
  font-size:.9rem;
  line-height:1.7;
  color:rgba(255,255,255,.55);
  max-width:440px;
}
.footer-nav{
  display:flex;
  gap:24px;
  justify-content:flex-end;
  padding-top:6px;
}
.footer-nav a{
  color:rgba(255,255,255,.68);
  font-size:.95rem;
  font-weight:600;
  transition:color var(--transition);
}
.footer-nav a:hover{color:#fff}
.copyright{
  grid-column:1 / -1;
  margin:28px 0 0;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.45);
  font-size:.85rem;
}

@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
  .article-body{padding:36px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:76px;
    left:16px;
    right:16px;
    background:#0b1a30;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:16px;
    border-radius:20px;
    border:1px solid rgba(255,255,255,.12);
    box-shadow:var(--shadow-lg);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity var(--transition),transform var(--transition),visibility var(--transition);
    z-index:60;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{width:100%;text-align:left;padding:14px 18px;border-radius:14px}
  .article-layout{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .footer-inner{grid-template-columns:1fr}
  .footer-nav{justify-content:flex-start}
}
@media (max-width:768px){
  .article-hero{padding:82px 0 54px}
  .article-content-wrap{padding:54px 0 60px}
  .article-body{padding:30px}
  .guide-steps,.article-faq,.article-cta{padding:60px 0}
  .cta-box{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-actions{width:100%}
  .section-title,.article-faq h2{font-size:1.7rem}
  .article-hero h1{font-size:2rem}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .header-inner{height:66px}
  .logo{font-size:1rem;padding-left:12px;white-space:normal}
  .logo::before{height:22px}
  .main-nav{top:66px}
  .article-hero{padding:64px 0 44px}
  .article-body{padding:22px}
  .article-body h2{font-size:1.4rem}
  .article-body h3{font-size:1.2rem}
  .article-content-wrap{padding:42px 0 48px}
  .guide-steps,.article-faq,.article-cta{padding:46px 0}
  .steps-grid{gap:16px}
  .step-card{padding:22px}
  .step-num{font-size:2.2rem}
  .cta-box{padding:24px}
  .cta-actions .btn{width:100%}
  .footer-inner{gap:22px}
  .footer-nav{flex-direction:column;gap:12px}
  .copyright{margin-top:20px;padding-top:16px}
}