/* roulang page: index */
:root{
    --primary:#0f3d6e;
    --primary-dark:#092742;
    --primary-light:#1c5a96;
    --accent:#e8a33d;
    --accent-dark:#cf8423;
    --bg:#f4f7fb;
    --card-bg:#ffffff;
    --text:#1e2a3a;
    --muted:#6b7a8d;
    --border:#e2e8f0;
    --radius:18px;
    --radius-sm:10px;
    --shadow:0 10px 35px rgba(8,35,58,0.10);
    --shadow-sm:0 4px 14px rgba(8,35,58,0.07);
    --transition:all .25s ease;
    --header-h:76px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 50px}
.section-head .eyebrow{display:inline-block;background:rgba(232,163,61,.15);color:var(--accent-dark);font-weight:600;font-size:13px;padding:5px 16px;border-radius:30px;letter-spacing:1px;margin-bottom:12px}
.section-head h2{font-size:34px;font-weight:800;color:var(--primary-dark);margin:0 0 12px;line-height:1.3}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;border:none;padding:13px 30px;border-radius:50px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 4px 16px rgba(15,61,110,.25)}
.btn:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,61,110,.3)}
.btn-accent{background:var(--accent);color:#1a1a1a;box-shadow:0 4px 16px rgba(232,163,61,.35)}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.badge{display:inline-block;padding:4px 14px;border-radius:30px;font-size:13px;font-weight:600;background:rgba(15,61,110,.08);color:var(--primary)}
.badge-accent{background:rgba(232,163,61,.15);color:var(--accent-dark)}

/* Top bar */
.topbar{background:var(--primary-dark);color:#c9d8e8;font-size:13px;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#e8eef5;margin-left:16px}
.topbar a:hover{color:var(--accent)}

/* Glass nav */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.5);box-shadow:0 2px 20px rgba(6,28,48,.06);transition:var(--transition)}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 4px 30px rgba(6,28,48,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;color:var(--primary-dark);letter-spacing:-.5px}
.logo .logo-mark{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(15,61,110,.3)}
.logo span.accent{color:var(--accent)}
.site-nav{display:flex;align-items:center;gap:8px}
.site-nav a{padding:9px 20px;border-radius:40px;font-weight:500;color:var(--text);font-size:15px}
.site-nav a:hover{background:rgba(15,61,110,.06);color:var(--primary)}
.site-nav a.active{background:var(--primary);color:#fff;box-shadow:0 3px 12px rgba(15,61,110,.25)}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary-dark);cursor:pointer;padding:8px}

/* Hero */
.hero{position:relative;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;padding:130px 0 100px;margin-top:calc(var(--header-h) * -1)}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,25,45,.92) 0%,rgba(9,45,85,.78) 50%,rgba(15,61,110,.45) 100%)}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:620px;padding-top:40px}
.hero .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:7px 18px;border-radius:40px;font-size:14px;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero h1{font-size:52px;font-weight:900;color:#fff;line-height:1.2;margin:0 0 20px}
.hero h1 .accent{color:var(--accent)}
.hero p{font-size:18px;color:rgba(255,255,255,.88);margin:0 0 36px;line-height:1.8;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:60px;flex-wrap:wrap}
.hero-stats .stat-item{color:#fff}
.hero-stats .stat-num{font-size:32px;font-weight:800;display:block;line-height:1.2}
.hero-stats .stat-label{font-size:14px;color:rgba(255,255,255,.75)}

/* Card */
.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:var(--transition);border:1px solid rgba(226,232,240,.6)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-cover{position:relative;height:220px;overflow:hidden;background:#dfe7f0}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-cover .category-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:30px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.card-body{padding:24px}
.card-body h3{font-size:19px;font-weight:700;margin:0 0 10px;line-height:1.4;color:var(--text)}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{color:var(--muted);font-size:15px;margin:0 0 16px;line-height:1.7}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.card-meta i{color:var(--accent)}

/* Feature blocks */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-box{background:var(--card-bg);border-radius:var(--radius);padding:32px 24px;text-align:center;box-shadow:var(--shadow-sm);border:1px solid rgba(226,232,240,.5);transition:var(--transition)}
.feature-box:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-box .icon{width:64px;height:64px;background:linear-gradient(135deg,rgba(15,61,110,.08),rgba(232,163,61,.12));border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary);margin:0 auto 20px}
.feature-box h3{font-size:17px;font-weight:700;margin:0 0 8px}
.feature-box p{font-size:14px;color:var(--muted);margin:0}

/* Category entry */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;display:flex;align-items:flex-end;box-shadow:var(--shadow-sm);transition:var(--transition)}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cat-card .cat-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.cat-card .cat-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,25,45,0) 30%,rgba(6,25,45,.92) 100%);z-index:1}
.cat-card-content{position:relative;z-index:2;padding:36px;color:#fff;width:100%}
.cat-card-content .badge-light{display:inline-block;background:rgba(255,255,255,.2);backdrop-filter:blur(6px);padding:4px 14px;border-radius:30px;font-size:13px;font-weight:500;margin-bottom:14px;border:1px solid rgba(255,255,255,.2)}
.cat-card-content h3{font-size:26px;font-weight:800;margin:0 0 10px;line-height:1.4}
.cat-card-content p{font-size:15px;color:rgba(255,255,255,.85);margin:0 0 20px;max-width:440px}
.cat-card-content .btn{background:#fff;color:var(--primary)}
.cat-card-content .btn:hover{background:var(--accent);color:#1a1a1a}

/* Dark data section */
.data-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));border-radius:28px;padding:60px;color:#fff;margin:80px 0;position:relative;overflow:hidden}
.data-section::before{content:'';position:absolute;top:-60px;right:-60px;width:260px;height:260px;background:rgba(232,163,61,.15);border-radius:50%}
.data-section::after{content:'';position:absolute;bottom:-80px;left:20%;width:180px;height:180px;background:rgba(255,255,255,.06);border-radius:50%}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:2}
.data-item{text-align:center}
.data-item .num{font-size:42px;font-weight:900;color:var(--accent);display:block;line-height:1.2}
.data-item .label{font-size:15px;color:rgba(255,255,255,.78);margin-top:8px;display:block}

/* Steps */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-box{background:var(--card-bg);border-radius:var(--radius);padding:38px 30px;box-shadow:var(--shadow-sm);border:1px solid rgba(226,232,240,.5);position:relative}
.step-box .step-num{position:absolute;top:-16px;left:28px;width:36px;height:36px;background:var(--accent);color:#1a1a1a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;box-shadow:0 4px 12px rgba(232,163,61,.4)}
.step-box h3{font-size:18px;font-weight:700;margin:14px 0 10px}
.step-box p{color:var(--muted);font-size:15px;margin:0;line-height:1.7}

/* Latest list */
.list-wrap{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid rgba(226,232,240,.5)}
.list-empty{padding:60px 30px;text-align:center;color:var(--muted);font-size:16px}
.post-list-item{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;border-bottom:1px solid var(--border);transition:var(--transition);flex-wrap:wrap;gap:14px}
.post-list-item:last-child{border-bottom:none}
.post-list-item:hover{background:rgba(15,61,110,.03)}
.post-info{flex:1;min-width:260px;display:flex;align-items:center;gap:24px}
.post-info .date-box{text-align:center;flex-shrink:0;width:56px}
.post-info .date-box .day{font-size:22px;font-weight:800;color:var(--primary);line-height:1.2}
.post-info .date-box .month{font-size:12px;color:var(--muted)}
.post-info h3{font-size:17px;font-weight:600;margin:0 0 5px;line-height:1.5}
.post-info h3 a{color:var(--text)}
.post-info h3 a:hover{color:var(--primary)}
.post-info p{font-size:14px;color:var(--muted);margin:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.post-cat{flex-shrink:0;display:flex;align-items:center;gap:10px}
.post-cat .badge{font-size:12px;padding:3px 12px}

/* Image text split */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split-img{position:relative}
.split-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split-img .float-card{position:absolute;bottom:-20px;right:-20px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:16px 22px;display:flex;align-items:center;gap:12px}
.split-img .float-card .icon{width:44px;height:44px;background:rgba(232,163,61,.15);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--accent-dark);font-size:18px}
.split-content h2{font-size:30px;font-weight:800;color:var(--primary-dark);margin:0 0 16px;line-height:1.3}
.split-content p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 18px}
.split-list{list-style:none;padding:0;margin:22px 0}
.split-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.split-list li i{color:var(--accent);margin-top:5px}
.split-list li span{font-size:15px}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;padding:22px 28px;transition:var(--transition);cursor:pointer}
.faq-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow-sm)}
.faq-item summary{font-size:16px;font-weight:600;cursor:pointer;list-style:none;position:relative;padding-right:30px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'\f078';font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--accent);transition:var(--transition)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-answer{padding-top:14px;margin-top:14px;border-top:1px dashed var(--border);color:var(--muted);font-size:15px;line-height:1.8}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary-light));border-radius:28px;padding:60px 50px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:rgba(232,163,61,.2);border-radius:50%}
.cta-section h2{font-size:32px;font-weight:800;margin:0 0 14px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.85);margin:0 0 32px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--primary-dark);color:#a9bdd4;padding:70px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.8;color:#8fa8bf}
.footer-brand .social-links{display:flex;gap:12px;margin-top:20px}
.footer-brand .social-links a{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.footer-brand .social-links a:hover{background:var(--accent);color:#1a1a1a}
.footer-col h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:3px;background:var(--accent);border-radius:3px}
.footer-col a{display:block;color:#8fa8bf;font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-contact p{font-size:14px;color:#8fa8bf;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-contact i{color:var(--accent);width:18px}
.footer-bottom{background:rgba(0,0,0,.25);padding:18px 0;text-align:center;font-size:13px;color:#7d96ad}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}

/* Breadcrumb */
.breadcrumb{background:transparent;padding:16px 0;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--primary);margin:0 6px}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 6px;color:var(--muted)}

/* Article page */
.article-header{background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;padding:90px 0 50px;position:relative}
.article-header::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(6,25,45,.88),rgba(9,45,85,.72));}
.article-header .container{position:relative;z-index:2;max-width:860px;text-align:center}
.article-header h1{font-size:38px;color:#fff;font-weight:800;line-height:1.4;margin:16px 0}
.article-header .meta-line{color:rgba(255,255,255,.8);font-size:14px;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.article-header .meta-line i{color:var(--accent)}
.article-main{padding:50px 0}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;max-width:1200px;margin:0 auto}
.article-content-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:44px;border:1px solid var(--border)}
.article-content-wrap .article-body{font-size:16px;line-height:2;color:var(--text)}
.article-content-wrap .article-body h2{font-size:24px;color:var(--primary-dark);margin-top:36px;border-left:4px solid var(--accent);padding-left:16px}
.article-content-wrap .article-body p{margin-bottom:18px}
.article-content-wrap .article-body img{border-radius:14px;margin:24px 0;box-shadow:var(--shadow-sm)}
.article-not-found{text-align:center;padding:80px 0}
.article-not-found h1{font-size:36px;color:var(--primary-dark)}
.article-not-found p{color:var(--muted);margin:20px 0 30px}

/* Sidebar */
.sidebar .widget{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px;margin-bottom:24px;border:1px solid var(--border)}
.sidebar .widget h4{font-size:17px;font-weight:700;color:var(--primary-dark);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid rgba(232,163,61,.3)}
.sidebar .widget-list{list-style:none;padding:0;margin:0}
.sidebar .widget-list li{margin-bottom:12px}
.sidebar .widget-list li a{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text);padding:8px 12px;border-radius:10px;background:rgba(244,247,251,.7);transition:var(--transition)}
.sidebar .widget-list li a:hover{background:rgba(15,61,110,.06);color:var(--primary)}

/* Category pages */
.category-banner{background:url('/assets/images/backpic/back-3.png') center center/cover no-repeat;padding:110px 0 70px;position:relative;margin-top:calc(var(--header-h) * -1)}
.category-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,25,45,.92),rgba(15,61,110,.65))}
.category-banner .container{position:relative;z-index:2;max-width:860px;text-align:center}
.category-banner .banner-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(232,163,61,.2);border:1px solid rgba(232,163,61,.4);color:#d9a648;padding:6px 18px;border-radius:40px;font-size:14px;margin-bottom:18px}
.category-banner h1{font-size:42px;color:#fff;font-weight:900;margin:0 0 16px}
.category-banner p{color:rgba(255,255,255,.85);font-size:17px;max-width:620px;margin:0 auto;line-height:1.8}

/* Pagination */
.pagination-nav{margin-top:40px;display:flex;justify-content:center;gap:8px}
.pagination-nav a,.pagination-nav span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;border-radius:10px;background:#fff;border:1px solid var(--border);color:var(--text);font-size:14px;font-weight:500;transition:var(--transition)}
.pagination-nav a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pagination-nav .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Recommend */
.recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* Responsive */
@media (max-width:1024px){
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .split-grid{grid-template-columns:1fr;gap:40px}
    .article-layout{grid-template-columns:1fr}
    .recommend-grid{grid-template-columns:repeat(2,1fr)}
    .data-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
    .site-header{position:sticky}
    .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 20px 40px rgba(8,35,58,.15);flex-direction:column;align-items:stretch;padding:16px;gap:6px;border-radius:0 0 20px 20px}
    .site-nav.open{display:flex}
    .site-nav a.active{background:rgba(15,61,110,.06);color:var(--primary);box-shadow:none}
    .site-nav .nav-cta{margin:8px 0 0}
    .nav-toggle{display:block}
    .hero{padding:110px 0 60px}
    .hero h1{font-size:34px}
    .hero p{font-size:16px}
    .cat-grid{grid-template-columns:1fr}
    .step-grid{grid-template-columns:1fr}
    .data-grid{grid-template-columns:2fr 2fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .section{padding:60px 0}
    .section-head h2{font-size:28px}
    .cta-section{padding:45px 30px}
    .cta-section h2{font-size:26px}
    .split-img .float-card{right:8px;bottom:-16px}
    .article-content-wrap{padding:26px}
    .article-header h1{font-size:28px}
    .category-banner h1{font-size:32px}
}
@media (max-width:520px){
    .container{padding:0 18px}
    .feature-grid{grid-template-columns:1fr}
    .data-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero h1{font-size:28px}
    .hero-btns .btn{width:100%;justify-content:center}
    .hero-stats{gap:20px}
    .post-list-item{flex-direction:column;align-items:flex-start}
    .post-info{flex-direction:row;gap:14px}
    .recommend-grid{grid-template-columns:1fr}
    .topbar .container{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #8a3ffc;
  --primary-light: #a06eff;
  --secondary: #ff8a3d;
  --accent: #ffd166;
  --bg-deep: #0b0714;
  --bg-dark: #120b21;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-glass: rgba(18, 11, 33, 0.72);
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-card: rgba(255, 255, 255, 0.08);
  --text-main: #f5f0ff;
  --text-body: #cfc6e8;
  --text-muted: #8e82b3;
  --pink-glow: rgba(138, 63, 252, 0.35);
  --blue-glow: rgba(42, 121, 255, 0.3);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --space-section: 110px;
  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.42);
  --shadow-cta: 0 22px 60px rgba(138, 63, 252, 0.45);
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(138, 63, 252, 0.15), transparent 60%),
    radial-gradient(ellipse 50% 35% at 85% 10%, rgba(255, 138, 61, 0.08), transparent 60%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease, opacity 0.25s ease; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ===== 玻璃导航 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border-glass);
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.site-header.scrolled {
  background: rgba(11, 7, 20, 0.9);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 18px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
  white-space: nowrap;
}
.logo-mark {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), #5a2b9e);
  color: #fff;
  font-size: 1.05rem;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 10px 28px var(--pink-glow);
}
.logo .accent {
  background: linear-gradient(120deg, #ffd166, #ff8a3d);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav > a:not(.btn) {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.site-nav > a:not(.btn):hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}
.site-nav > a.active {
  color: #fff;
  background: linear-gradient(120deg, rgba(138,63,252,0.85), rgba(90,43,158,0.85));
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 6px 20px rgba(138, 63, 252, 0.3);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 26px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.28s ease;
  line-height: 1.4;
}
.btn:hover { transform: translateY(-2px); }
.btn-accent {
  background: linear-gradient(135deg, var(--secondary), #ff5e3d);
  color: #1a0b2e;
  box-shadow: 0 10px 30px rgba(255, 138, 61, 0.35);
}
.btn-accent:hover {
  box-shadow: 0 14px 40px rgba(255, 138, 61, 0.5);
  color: #1a0b2e;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6d2bd6);
  color: #fff;
  box-shadow: 0 10px 30px var(--pink-glow);
}
.btn-primary:hover {
  box-shadow: 0 16px 44px var(--pink-glow);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.4); background: rgba(255,255,255,0.12); color: #fff; }
.nav-cta { margin-left: 10px; padding: 9px 22px; font-size: 0.9rem; }

/* 移动端导航 */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-size: 1.2rem;
  transition: background 0.25s ease;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.14); }

/* ===== Hero / 标题横幅 ===== */
.category-hero {
  position: relative;
  padding: 190px 0 110px;
  background:
    linear-gradient(180deg, rgba(11, 7, 20, 0.55), rgba(11, 7, 20, 0.85) 70%, var(--bg-deep) 100%),
    url('/assets/images/backpic/back-2.png') center 30% / cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.category-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 50% 60% at 70% 20%, rgba(138, 63, 252, 0.22), transparent 70%);
  pointer-events: none;
}
.category-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(138, 63, 252, 0.18);
  border: 1px solid rgba(160, 110, 255, 0.35);
  border-radius: 999px;
  padding: 7px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #d4bcff;
  letter-spacing: 0.06em;
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.category-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}
.category-hero h1 .gradient {
  background: linear-gradient(115deg, #ffd166 10%, #ff8a3d 45%, #a06eff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.12rem;
  color: var(--text-body);
  max-width: 700px;
  margin-bottom: 36px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
}
.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.09);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.88rem;
  color: var(--text-body);
}
.hero-meta-item i { color: var(--accent); }

/* ===== 通用区块 ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: rgba(255, 255, 255, 0.015); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-head p { color: var(--text-body); font-size: 1.02rem; line-height: 1.8; }
.section-head .head-line {
  width: 64px; height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: 18px auto 0;
}

/* ===== 热点卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  padding: 32px 24px 28px;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.7;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(160, 110, 255, 0.35);
  box-shadow: var(--shadow-card);
  background: var(--bg-card-hover);
}
.feature-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(138,63,252,0.25), rgba(255,138,61,0.18));
  border: 1px solid rgba(255,255,255,0.14);
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: #e0ccff;
}
.feature-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.92rem; color: var(--text-body); line-height: 1.75; margin-bottom: 18px; }
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.25s ease;
}
.feature-link:hover { gap: 11px; color: #ffe08a; }

/* ===== 资讯列表 ===== */
.news-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 32px;
  align-items: start;
}
.news-main-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 24px;
}
.news-main-card:hover { transform: translateY(-4px); box-shadow: 0 22px 60px rgba(0,0,0,0.5); }
.news-cover {
  position: relative;
  height: 280px;
  overflow: hidden;
}
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-main-card:hover .news-cover img { transform: scale(1.05); }
.news-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(11, 7, 20, 0.9) 100%);
}
.news-cover .badge {
  position: absolute;
  top: 20px; left: 20px;
  z-index: 2;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(138, 63, 252, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}
.news-body { padding: 28px 30px 32px; }
.news-body h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.news-body p { color: var(--text-body); font-size: 0.96rem; line-height: 1.85; margin-bottom: 20px; }
.news-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}
.news-meta-row i { margin-right: 5px; color: var(--secondary); }
.news-list-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.22);
}
.news-list-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.news-list-card h3::before {
  content: '';
  width: 4px; height: 20px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}
.news-list-card .sub { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 26px; }
.news-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: padding-left 0.25s ease, background 0.25s ease;
}
.news-list-item:last-child { border-bottom: none; padding-bottom: 0; }
.news-list-item:hover { padding-left: 8px; }
.news-list-item .date {
  flex-shrink: 0;
  text-align: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 6px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}
.news-list-item .date strong { display: block; font-size: 1.05rem; color: var(--accent); line-height: 1.2; }
.news-list-item .info a { font-size: 0.92rem; font-weight: 600; color: var(--text-main); }
.news-list-item .info a:hover { color: var(--accent); }
.news-list-item .info .tag { display: inline-block; font-size: 0.74rem; color: var(--secondary); margin-top: 3px; }

/* ===== 玩家数据 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-block {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}
.stat-block:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(160,110,255,0.32);
}
.stat-icon { font-size: 1.6rem; margin-bottom: 16px; color: var(--accent); }
.stat-count { font-size: 2.4rem; font-weight: 900; line-height: 1.2; letter-spacing: -0.02em; }
.stat-count .unit { font-size: 1.1rem; font-weight: 600; color: var(--text-muted); margin-left: 4px; }
.stat-block p { font-size: 0.92rem; color: var(--text-muted); margin-top: 6px; }

/* ===== 赛程时间线 ===== */
.timeline-wrap { max-width: 900px; margin: 0 auto; position: relative; }
.timeline-wrap::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
  opacity: 0.4;
}
.timeline-item {
  position: relative;
  padding-left: 82px;
  margin-bottom: 36px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: 14px; top: 4px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 5px rgba(138, 63, 252, 0.15);
}
.timeline-dot i { font-size: 0.7rem; color: var(--accent); }
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.timeline-card:hover {
  transform: translateX(4px);
  border-color: rgba(160,110,255,0.3);
  background: var(--bg-card-hover);
}
.timeline-time { font-size: 0.82rem; font-weight: 700; color: var(--secondary); letter-spacing: 0.05em; margin-bottom: 8px; }
.timeline-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.timeline-card p { font-size: 0.9rem; color: var(--text-body); line-height: 1.8; }
.timeline-card .match-meta { display: flex; gap: 12px; margin-top: 14px; font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; }

/* ===== 推荐图卡 ===== */
.play-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.play-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  background: var(--bg-dark);
}
.play-card:hover { transform: translateY(-8px); box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6); }
.play-card-cover { position: relative; height: 210px; overflow: hidden; }
.play-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.play-card:hover .play-card-cover img { transform: scale(1.08); }
.play-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11,7,20,0.96) 100%);
}
.play-card-tag {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 2;
  background: rgba(255, 138, 61, 0.9);
  color: #1a0b2e;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.play-card-body { padding: 22px 24px 26px; }
.play-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.45; }
.play-card-body p { font-size: 0.9rem; color: var(--text-body); line-height: 1.8; margin-bottom: 16px; }
.play-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.play-card-footer .arrow { color: var(--accent); transition: transform 0.25s ease; }
.play-card:hover .arrow { transform: translateX(5px); }

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(160, 110, 255, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 36px rgba(0,0,0,0.25);
}
.faq-item-icon {
  width: 38px; height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(138, 63, 252, 0.18);
  border: 1px solid rgba(160, 110, 255, 0.3);
  color: #d4bcff;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.faq-item h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 10px; }
.faq-item p { font-size: 0.9rem; color: var(--text-body); line-height: 1.85; }

/* ===== CTA ===== */
.section-cta { padding: 70px 0 110px; }
.cta-box {
  position: relative;
  border-radius: 34px;
  padding: 70px 60px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(138, 63, 252, 0.28), rgba(18, 11, 33, 0.6)),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  border: 1px solid rgba(255,255,255,0.14);
  overflow: hidden;
  box-shadow: var(--shadow-cta);
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 20%, rgba(138,63,252,0.25), transparent 70%);
  pointer-events: none;
}
.cta-box h2 {
  position: relative;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-box p {
  position: relative;
  color: var(--text-body);
  max-width: 580px;
  margin: 0 auto 32px;
  font-size: 1rem;
  line-height: 1.85;
}
.cta-actions {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #090510;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 0.9fr;
  gap: 42px;
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.85; max-width: 320px; margin-bottom: 24px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-body);
  transition: all 0.28s ease;
}
.social-links a:hover {
  background: linear-gradient(135deg, var(--primary), #6d2bd6);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 5px 0;
  transition: color 0.22s ease, padding-left 0.22s ease;
}
.footer-col a:hover { color: var(--accent); padding-left: 5px; }
.footer-contact p { color: var(--text-muted); font-size: 0.88rem; padding: 4px 0; }
.footer-contact i { margin-right: 8px; color: var(--secondary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; width: 100%; }

/* ===== 焦点 ===== */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(255, 209, 102, 0.6);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --space-section: 88px; }
  .container { padding: 0 22px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .play-card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-nav {
    position: fixed;
    top: 76px; left: 16px; right: 16px;
    background: rgba(11, 7, 20, 0.96);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    box-shadow: 0 30px 70px rgba(0,0,0,0.6);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }
  .site-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav > a:not(.btn) { padding: 12px 18px; text-align: center; }
  .nav-cta { margin: 8px 0 0; justify-content: center; width: 100%; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 768px) {
  .category-hero { padding: 150px 0 80px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 50px 30px; }
  .timeline-item { padding-left: 64px; }
  .timeline-wrap::before { left: 22px; }
  .timeline-dot { left: 10px; }
}
@media (max-width: 520px) {
  :root { --space-section: 70px; }
  .container { padding: 0 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .play-card-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { flex-direction: column; gap: 10px; }
  .news-body { padding: 22px 18px 24px; }
  .news-cover { height: 220px; }
  .cta-box { padding: 42px 22px; border-radius: 24px; }
  .footer-bottom .container { flex-direction: column; text-align: center; justify-content: center; }
  .site-nav { top: 68px; }
  .header-inner { min-height: 68px; }
  .timeline-card { padding: 18px 16px; }
  .timeline-item { padding-left: 48px; }
  .timeline-dot { width: 22px; height: 22px; left: 8px; font-size: 0.6rem; }
}

/* roulang page: article */
:root{
    --primary:#0f1d36;--primary-light:#1a2f52;--primary-dark:#0a1428;
    --accent:#f0b32e;--accent-dark:#d89c1b;--accent-light:#ffe9b3;
    --red:#e63e2e;--bg:#f4f6fb;--bg-alt:#e9edf4;--card:#ffffff;
    --text:#1c2333;--text-muted:#667085;--border:#e3e7f0;--white:#ffffff;
    --radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-full:999px;
    --shadow-xs:0 1px 3px rgba(15,24,42,.06);
    --shadow-sm:0 2px 10px rgba(15,24,42,.08);
    --shadow-md:0 6px 24px rgba(15,24,42,.10);
    --shadow-lg:0 16px 48px rgba(15,24,42,.15);
    --shadow-accent:0 8px 24px rgba(240,179,46,.25);
    --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;
    --space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;
    --font-body:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
    --text-sm:14px;--text-base:16px;--text-md:18px;--text-lg:22px;--text-xl:30px;--text-2xl:40px;
    --transition:.25s cubic-bezier(.4,0,.2,1);
    --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5,h6{margin:0 0 var(--space-4);font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0 0 var(--space-4)}
input,button,select,textarea{font-family:var(--font-body);font-size:var(--text-base)}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 var(--space-5);width:100%}
.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:12px 26px;border-radius:var(--radius-full);font-weight:600;font-size:var(--text-sm);border:2px solid transparent;transition:all var(--transition);cursor:pointer;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-light);color:var(--white)}
.btn-accent{background:var(--accent);color:var(--primary)}
.btn-accent:hover{background:var(--accent-dark);color:var(--primary);box-shadow:var(--shadow-accent)}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-light{background:var(--white);color:var(--primary)}
.btn-light:hover{background:var(--accent-light);color:var(--primary)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:var(--white)}
.btn-outline-light:hover{border-color:var(--white);color:var(--white);background:rgba(255,255,255,.12)}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-lg{padding:16px 36px;font-size:var(--text-base)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--radius-full);font-size:12px;font-weight:600;line-height:1.4}
.badge-accent{background:var(--accent);color:var(--primary)}
.badge-outline{border:1px solid rgba(255,255,255,.35);color:var(--white);background:rgba(255,255,255,.12)}
.tag{display:inline-block;padding:4px 14px;background:var(--bg-alt);border-radius:var(--radius-full);font-size:12px;color:var(--text-muted);margin:4px 4px 0 0;border:1px solid var(--border);transition:all var(--transition)}
.tag:hover{color:var(--accent-dark);border-color:var(--accent);background:var(--accent-light)}

/* ==================== Header ==================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(15,29,54,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.12);transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{background:rgba(15,29,54,.95);box-shadow:0 4px 24px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);gap:var(--space-4)}
.logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:var(--white);letter-spacing:.5px}
.logo .accent{color:var(--accent)}
.logo-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#ffd25e);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:17px;box-shadow:var(--shadow-accent)}
.site-nav{display:flex;align-items:center;gap:var(--space-5)}
.site-nav a:not(.btn){color:rgba(255,255,255,.82);font-weight:500;font-size:15px;padding:6px 4px;position:relative;border-bottom:2px solid transparent}
.site-nav a:not(.btn):hover{color:var(--white)}
.site-nav a:not(.btn).active{color:var(--accent);border-bottom-color:var(--accent)}
.nav-cta{position:relative;top:0}
.nav-toggle{display:none;color:var(--white);font-size:22px;padding:8px 10px;border-radius:var(--radius-sm);background:rgba(255,255,255,.1)}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ==================== Article Hero ==================== */
.article-hero{padding:calc(var(--header-height) + 64px) 0 72px;background:linear-gradient(135deg,rgba(10,20,40,.94),rgba(26,47,82,.88)),url('/assets/images/backpic/back-1.png') center/cover;color:var(--white);position:relative}
.article-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:var(--space-5)}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.4)}
.breadcrumb .current{color:var(--accent)}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:var(--space-4)}
.article-hero h1{font-size:36px;line-height:1.3;color:var(--white);max-width:800px;margin-bottom:var(--space-4);text-shadow:0 2px 20px rgba(0,0,0,.2)}
.hero-desc{font-size:var(--text-md);color:rgba(255,255,255,.75);max-width:680px;margin-bottom:var(--space-5)}
.hero-meta{display:flex;flex-wrap:wrap;gap:var(--space-4);font-size:13px;color:rgba(255,255,255,.6)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta i{color:var(--accent)}

/* ==================== Article Body ==================== */
.article-body{padding:var(--space-8) 0 40px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px}
.article-main{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:40px;position:relative}
.article-content{font-size:16px;line-height:2;color:var(--text)}
.article-content h2{font-size:24px;margin:36px 0 14px;padding-left:16px;border-left:4px solid var(--accent)}
.article-content h3{font-size:20px;margin:28px 0 12px}
.article-content p{margin-bottom:18px}
.article-content img{border-radius:var(--radius-md);margin:24px 0}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:18px}
.article-content li{margin-bottom:8px}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--accent-light);padding:16px 22px;margin:24px 0;border-radius:var(--radius-sm);color:var(--text)}
.article-content a{color:var(--accent-dark);border-bottom:1px dashed var(--accent)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--radius-sm);overflow:hidden}
.article-content th,.article-content td{padding:12px 16px;border:1px solid var(--border);text-align:left}
.article-content th{background:var(--bg-alt);font-weight:600}
.article-not-found{text-align:center;padding:60px 24px}
.article-not-found i{font-size:56px;color:var(--accent);margin-bottom:20px;display:block}
.article-not-found h2{font-size:26px;margin-bottom:12px}
.article-not-found p{color:var(--text-muted);margin-bottom:28px}
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags i{color:var(--accent);font-size:14px}
.article-share{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}
.article-share span{font-size:14px;font-weight:600;color:var(--text-muted)}
.share-btn{width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:16px;background:var(--bg-alt);color:var(--text-muted);transition:all var(--transition)}
.share-btn:hover{background:var(--accent);color:var(--primary);transform:translateY(-2px)}
.share-btn.wechat:hover{background:#07c160;color:#fff}
.share-btn.weibo:hover{background:#e6162d;color:#fff}
.share-btn.twitter:hover{background:#1da1f2;color:#fff}

/* ==================== Sidebar ==================== */
.article-side{display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:24px}
.side-card h3{font-size:17px;margin-bottom:18px;position:relative;padding-bottom:10px}
.side-card h3::after{content:'';position:absolute;left:0;bottom:0;width:38px;height:3px;background:var(--accent);border-radius:var(--radius-full)}
.side-profile{text-align:center;padding:32px 24px}
.side-profile-avatar{width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ffd25e);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--primary);margin:0 auto 16px;box-shadow:var(--shadow-accent)}
.side-profile h3{font-size:18px;margin-bottom:8px;padding-bottom:0}
.side-profile h3::after{display:none}
.side-profile p{font-size:13px;color:var(--text-muted);margin-bottom:16px}
.side-post{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);transition:background var(--transition)}
.side-post:last-child{border-bottom:none}
.side-post:hover .side-post-title{color:var(--accent-dark)}
.side-post-thumb{width:64px;height:48px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--bg-alt)}
.side-post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.side-post:hover .side-post-thumb img{transform:scale(1.08)}
.side-post-info{display:flex;flex-direction:column;gap:4px}
.side-post-title{font-size:13px;font-weight:600;color:var(--text);line-height:1.4;transition:color var(--transition)}
.side-post-date{font-size:12px;color:var(--text-muted)}
.side-tags{display:flex;flex-wrap:wrap;gap:6px}
.side-cta{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);border:none}
.side-cta h3{color:var(--white)}
.side-cta h3::after{background:var(--accent)}
.side-cta p{color:rgba(255,255,255,.7);font-size:14px}
.subscribe-form{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.subscribe-form input{padding:12px 16px;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:var(--white);font-size:14px;outline:none;transition:border-color var(--transition)}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5)}
.subscribe-form input:focus{border-color:var(--accent)}

/* ==================== Related / Sections ==================== */
.related-section{padding:var(--space-8) 0;background:var(--white)}
.section-header{text-align:center;margin-bottom:var(--space-7)}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-light);padding:4px 16px;border-radius:var(--radius-full);margin-bottom:12px}
.section-header h2{font-size:var(--text-2xl);margin-bottom:8px;color:var(--text)}
.section-header p{color:var(--text-muted);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.content-card{background:var(--card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:transform var(--transition),box-shadow var(--transition)}
.content-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card-thumb{position:relative;display:block;height:190px;overflow:hidden;background:var(--bg-alt)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.content-card:hover .card-thumb img{transform:scale(1.06)}
.card-badge{position:absolute;top:14px;left:14px;background:rgba(15,29,54,.85);color:var(--accent);font-size:12px;font-weight:600;padding:4px 14px;border-radius:var(--radius-full);backdrop-filter:blur(4px)}
.card-body{padding:22px}
.card-body h3{font-size:17px;margin-bottom:10px;line-height:1.5}
.card-body h3 a{color:var(--text);transition:color var(--transition)}
.card-body h3 a:hover{color:var(--accent-dark)}
.card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:14px}
.card-link{font-size:14px;font-weight:600;color:var(--accent-dark);display:inline-flex;align-items:center;gap:6px}
.card-link i{transition:transform var(--transition)}
.card-link:hover i{transform:translateX(4px)}

/* ==================== FAQ ==================== */
.faq-section{padding:var(--space-8) 0;background:var(--bg)}
.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.faq-item{background:var(--card);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border);box-shadow:var(--shadow-xs);transition:all var(--transition);position:relative}
.faq-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.faq-icon{width:46px;height:46px;border-radius:12px;background:var(--accent-light);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.faq-item h3{font-size:16px;margin-bottom:10px;line-height:1.5}
.faq-item p{font-size:14px;color:var(--text-muted);line-height:1.8;margin-bottom:0}

/* ==================== CTA ==================== */
.cta-section{padding:var(--space-8) 0 80px;background:var(--bg)}
.cta-card{background:linear-gradient(135deg,rgba(10,20,40,.94),rgba(26,47,82,.88)),url('/assets/images/backpic/back-2.png') center/cover;border-radius:var(--radius-lg);padding:56px 48px;text-align:center;box-shadow:var(--shadow-lg);color:var(--white)}
.cta-card h2{font-size:30px;color:var(--white);margin-bottom:10px}
.cta-card p{font-size:16px;color:rgba(255,255,255,.75);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ==================== Footer ==================== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.7);padding-top:var(--space-8)}
.site-footer .logo{color:var(--white);margin-bottom:12px}
.site-footer .logo .accent{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:var(--space-7);border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:320px;margin-bottom:18px}
.social-links{display:flex;gap:10px}
.social-links a{width:38px;height:38px;border-radius:var(--radius-full);background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:15px;transition:all var(--transition)}
.social-links a:hover{background:var(--accent);color:var(--primary);transform:translateY(-2px)}
.footer-col h4{color:var(--white);font-size:15px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:var(--radius-full)}
.footer-col a{display:block;color:rgba(255,255,255,.6);font-size:14px;padding:6px 0;transition:all var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.footer-col p i{color:var(--accent);width:16px;text-align:center}
.footer-bottom{padding:20px 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.4)}

/* ==================== Responsive ==================== */
@media (max-width:1024px){
    .article-grid{grid-template-columns:1fr 300px;gap:24px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .faq-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
    :root{--text-2xl:32px}
    .nav-toggle{display:block}
    .site-nav{position:fixed;top:var(--header-height);left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;padding:20px 24px;background:rgba(15,29,54,.97);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.1);transform:translateY(-120%);opacity:0;transition:all .35s ease;pointer-events:none;z-index:999}
    .site-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
    .site-nav a:not(.btn){width:100%;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:15px}
    .site-nav a:not(.btn).active{color:var(--accent);border-bottom-color:transparent}
    .site-nav .btn{width:100%;justify-content:center;margin-top:12px}
    .article-hero{padding:110px 0 48px}
    .article-hero h1{font-size:26px}
    .article-grid{grid-template-columns:1fr}
    .article-main{padding:24px}
    .related-grid{grid-template-columns:1fr}
    .faq-grid{grid-template-columns:1fr}
    .cta-card{padding:40px 24px}
    .cta-card h2{font-size:24px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom .container{flex-direction:column;text-align:center}
    .article-share{flex-wrap:wrap}
}
@media (max-width:520px){
    .container{padding:0 16px}
    .article-hero h1{font-size:22px}
    .hero-meta{gap:10px}
    .article-main{padding:18px}
    .article-content{font-size:15px}
    .article-content h2{font-size:20px}
    .cta-actions{flex-direction:column;align-items:center}
    .cta-actions .btn{width:100%;justify-content:center}
    .hero-badges .badge{font-size:11px;padding:4px 10px}
}

/* roulang page: category2 */
:root {
  --primary: #2b6de8;
  --primary-dark: #1e54c4;
  --primary-light: #eef3fe;
  --accent: #f5842a;
  --accent-dark: #d96a12;
  --accent-light: #fff3e8;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --bg-dark: #111827;
  --bg-dark-2: #1a2332;
  --text: #1e293b;
  --text-weak: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 36px rgba(15, 23, 42, .12);
  --space-section: clamp(56px, 8vw, 96px);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s ease; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(43, 109, 232, .4); outline-offset: 2px; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; position: relative; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-top: 14px;
  letter-spacing: -.5px;
}
.section-sub {
  font-size: 16px;
  color: var(--text-weak);
  max-width: 640px;
  margin-top: 10px;
  line-height: 1.8;
}
.section-head { margin-bottom: 44px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin-left: auto; margin-right: auto; }

/* ===== Header 透明玻璃导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .75);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(226, 232, 240, .7);
  transition: background .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 4px 24px rgba(15, 23, 42, .08);
  border-bottom-color: transparent;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 11px;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(43, 109, 232, .3);
}
.logo .accent { color: var(--accent); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav > a:not(.btn) {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 50px;
  position: relative;
  transition: color .3s, background .3s;
}
.site-nav > a:not(.btn):hover { color: var(--primary); background: var(--primary-light); }
.site-nav > a:not(.btn).active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav-cta {
  margin-left: 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  transition: all .3s ease;
  border: 2px solid transparent;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #ff9d4d);
  color: #fff;
  box-shadow: 0 4px 16px rgba(245, 132, 42, .35);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 132, 42, .45);
  color: #fff;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(43, 109, 232, .3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(43, 109, 232, .4);
  color: #fff;
}
.btn-outline {
  border-color: var(--border);
  background: #fff;
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-lg { padding: 14px 34px; font-size: 16px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: background .3s;
}
.nav-toggle:hover { background: #dfe9fd; }

/* ===== Hero Banner ===== */
.category-hero {
  position: relative;
  padding: 180px 0 110px;
  background: linear-gradient(135deg, rgba(17, 24, 39, .92), rgba(30, 60, 114, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.category-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 132, 42, .25), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 20px;
}
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb i { font-size: 12px; opacity: .6; }
.hero-breadcrumb .crumb-current { color: var(--accent); font-weight: 600; }
.category-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.category-hero h1 .grad {
  background: linear-gradient(135deg, #ffb36b, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.category-hero p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
  max-width: 640px;
  margin-bottom: 30px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.hero-tags span {
  background: rgba(255, 255, 255, .14);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  color: rgba(255, 255, 255, .9);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ===== 平台亮点 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  background: var(--primary-light);
  color: var(--primary);
}
.feature-card:nth-child(2) .feature-icon { background: var(--accent-light); color: var(--accent); }
.feature-card:nth-child(3) .feature-icon { background: #e8f7f0; color: #16a34a; }
.feature-card:nth-child(4) .feature-icon { background: #f3e8ff; color: #9333ea; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.feature-card p { font-size: 14px; color: var(--text-weak); line-height: 1.65; }

/* ===== 平台指南文章卡片 ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.guide-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
}
.guide-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.guide-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.guide-card:hover .guide-thumb img { transform: scale(1.06); }
.guide-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, .35));
}
.guide-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .1);
}
.guide-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 12px;
}
.guide-meta i { font-size: 9px; opacity: .5; }
.guide-body h3 { font-size: 19px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.guide-body h3 a { color: var(--text); }
.guide-body h3 a:hover { color: var(--primary); }
.guide-body p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: gap .3s ease;
}
.guide-link:hover { gap: 14px; color: var(--primary-dark); }

/* ===== 操作流程 ===== */
.steps-wrap {
  background: var(--bg-dark);
  border-radius: var(--radius-xl);
  padding: clamp(36px, 5vw, 64px);
  position: relative;
  overflow: hidden;
}
.steps-wrap::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 109, 232, .3), transparent 70%);
}
.steps-wrap::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 132, 42, .2), transparent 70%);
}
.steps-wrap .section-title { color: #fff; }
.steps-wrap .section-sub { color: rgba(255, 255, 255, .68); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 44px;
  position: relative;
  z-index: 2;
}
.step-item {
  position: relative;
  padding: 30px 24px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  transition: background .35s, transform .35s;
}
.step-item:hover { background: rgba(255, 255, 255, .1); transform: translateY(-4px); }
.step-num {
  font-size: 32px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), #ffb36b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}
.step-item h3 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { color: rgba(255, 255, 255, .65); font-size: 14px; line-height: 1.65; }

/* ===== 图文对比区块 ===== */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split-media img { width: 100%; height: 420px; object-fit: cover; }
.split-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 55%, rgba(15, 23, 42, .4));
}
.split-info {}
.split-info .section-label { margin-bottom: 10px; }
.split-info h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin: 14px 0 14px;
  letter-spacing: -.5px;
}
.split-info p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.85;
  margin-bottom: 20px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text);
}
.check-list li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 14px;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}
.split-btn { margin-top: 24px; }

/* ===== 数据区块 ===== */
.stats-band {
  background: linear-gradient(135deg, var(--primary), #1e4bb8);
  border-radius: var(--radius-xl);
  padding: clamp(36px, 5vw, 56px);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 20%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}
.stat-item { text-align: center; padding: 10px; }
.stat-item .stat-num {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item details { padding: 0; }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary .faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: all .35s;
}
.faq-item details[open] summary { color: var(--primary); }
.faq-item details[open] .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(135deg);
}
.faq-answer {
  padding: 0 26px 22px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0 26px;
  padding: 16px 0 22px;
}
.faq-answer strong { color: var(--text); }

/* ===== CTA ===== */
.cta-block {
  background: linear-gradient(135deg, #1a2332, #111827);
  border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 70px);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(245, 132, 42, .18);
}
.cta-block::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(43, 109, 232, .2);
}
.cta-block h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  position: relative;
  z-index: 2;
  margin-bottom: 12px;
}
.cta-block p {
  font-size: 16px;
  color: rgba(255, 255, 255, .7);
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 2;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-light);
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding: 64px 0 44px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo .logo-mark {
  background: linear-gradient(135deg, var(--accent), #ff9d4d);
  box-shadow: 0 4px 12px rgba(245, 132, 42, .3);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .55);
  max-width: 320px;
  margin: 8px 0 20px;
}
.social-links {
  display: flex;
  gap: 10px;
}
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  transition: all .3s;
}
.social-links a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  padding: 5px 0;
  transition: color .3s, padding-left .3s;
}
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  padding: 4px 0;
}
.footer-contact p i { color: var(--accent); width: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  font-size: 13px;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255, 255, 255, .4);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split-block { grid-template-columns: 1fr; gap: 36px; }
  .split-media img { height: 320px; }
}

@media screen and (max-width: 768px) {
  .header-inner { height: 64px; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, .98);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform .4s ease;
    backdrop-filter: blur(20px);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav > a:not(.btn) {
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 15px;
  }
  .nav-cta { margin-left: 0; margin-top: 8px; justify-content: center; }
  .category-hero { padding: 140px 0 70px; }
  .category-hero p { font-size: 15px; }
  .guide-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-band { padding: 36px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 30px; }
  .footer-bottom .container { flex-direction: column; text-align: center; gap: 4px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; }
  .faq-item summary { padding: 18px; font-size: 15px; }
  .faq-answer { margin: 0 18px; }
  .split-info h2 { font-size: 24px; }
}