/* roulang page: index */
:root {
  --primary: #00d4a8;
  --primary-dark: #00b890;
  --primary-light: #e6fbf5;
  --accent: #7c5cff;
  --accent-light: #efeaff;
  --orange: #ff7a45;
  --dark-bg: #0c1222;
  --dark-bg-2: #141d33;
  --light-bg: #f4f6fb;
  --card-bg: #ffffff;
  --text-main: #1e2433;
  --text-body: #4b5563;
  --text-weak: #8a94a6;
  --border: #e5e9f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(12,18,34,.08);
  --shadow-lg: 0 16px 40px rgba(12,18,34,.14);
  --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --header-h: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--text-body);background:var(--light-bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{text-decoration:none;color:inherit;transition:all .25s ease}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:100%}
.section{padding:88px 0}
.section-light{background:var(--light-bg)}
.section-white{background:#fff}

/* Buttons */
.btn-primary,.btn-ghost,.btn-primary-large,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:60px;font-weight:600;cursor:pointer;border:none;transition:all .3s ease;text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#07120e;font-size:14px;padding:10px 24px}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,212,168,.35)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;font-size:15px;padding:12px 28px;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-primary-large{background:var(--primary);color:#07120e;font-size:16px;padding:15px 42px;box-shadow:0 10px 30px rgba(0,212,168,.35)}
.btn-primary-large:hover{background:var(--primary-dark);transform:translateY(-3px) scale(1.02);box-shadow:0 14px 36px rgba(0,212,168,.45)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary);font-size:14px;padding:10px 24px}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(12,18,34,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);height:var(--header-h);display:flex;align-items:center}
.site-header .header-inner{display:flex;align-items:center;gap:32px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(0,212,168,.3)}
.brand-text{font-size:17px;font-weight:700;color:#fff;letter-spacing:.3px;line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:60px;color:rgba(255,255,255,.75);font-size:14px;font-weight:500}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{color:var(--primary);background:rgba(0,212,168,.12);font-weight:600}
.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.1);border-radius:40px;padding:0 6px 0 16px;height:38px;width:210px;border:1px solid rgba(255,255,255,.12)}
.search-box input{background:transparent;border:none;color:#fff;width:100%;font-size:13px}
.search-box input::placeholder{color:rgba(255,255,255,.5)}
.search-box button{background:var(--primary);border:none;width:30px;height:30px;border-radius:50%;color:#07120e;cursor:pointer;font-size:13px;transition:all .3s}
.search-box button:hover{background:var(--primary-dark);transform:scale(1.06)}
.btn-login{color:rgba(255,255,255,.85);font-size:14px;font-weight:500;padding:8px 16px;border-radius:40px;border:1px solid rgba(255,255,255,.22)}
.btn-login:hover{color:#fff;border-color:var(--primary);background:rgba(0,212,168,.1)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;width:40px;height:40px;border-radius:10px;font-size:18px;cursor:pointer;align-items:center;justify-content:center}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,18,34,.92) 30%,rgba(12,18,34,.55) 60%,rgba(12,18,34,.25));}
.hero-content{position:relative;z-index:2;padding:90px 0;max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,168,.15);border:1px solid rgba(0,212,168,.4);color:var(--primary);padding:8px 20px;border-radius:40px;font-size:13px;font-weight:600;margin-bottom:24px}
.hero-badge i{font-size:14px}
.hero h1{font-size:44px;line-height:1.2;font-weight:800;margin-bottom:20px;color:#fff;letter-spacing:1px}
.hero-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);margin-bottom:34px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .stat-item{display:flex;flex-direction:column}
.hero-stats .stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2}
.hero-stats .stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* Section head */
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;padding:6px 18px;border-radius:40px;margin-bottom:16px}
.section-light .section-tag{background:var(--accent-light);color:var(--accent)}
.section-head h2{font-size:34px;font-weight:800;color:var(--text-main);line-height:1.35;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-body);line-height:1.7}

/* Intro cards */
.intro-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.intro-card{background:var(--card-bg);border-radius:var(--radius);padding:36px 28px;border:1px solid var(--border);box-shadow:var(--shadow);transition:all .3s ease;position:relative;overflow:hidden}
.intro-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .3s}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.intro-card:hover::after{opacity:1}
.intro-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px}
.intro-icon i{color:#fff}
.intro-icon.green{background:linear-gradient(135deg,#00d4a8,#00b890)}
.intro-icon.blue{background:linear-gradient(135deg,#5b8cff,#3a6cf5)}
.intro-icon.purple{background:linear-gradient(135deg,#7c5cff,#6a4df5)}
.intro-icon.orange{background:linear-gradient(135deg,#ff7a45,#ff5e3a)}
.intro-card h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.intro-card p{font-size:14px;line-height:1.7;color:var(--text-body)}

/* About / feature split */
.feature-section{background:#fff}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-media img{width:100%;height:420px;object-fit:cover;transition:transform .6s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .media-tag{position:absolute;top:20px;left:20px;background:rgba(12,18,34,.75);color:#fff;padding:8px 18px;border-radius:40px;font-size:13px;font-weight:600;backdrop-filter:blur(6px)}
.feature-content h2{font-size:32px;font-weight:800;color:var(--text-main);line-height:1.35;margin-bottom:20px}
.feature-content p{font-size:15px;line-height:1.8;color:var(--text-body);margin-bottom:16px}
.feature-list{margin-top:24px}
.feature-list li{display:flex;align-items:flex-start;gap:12px;padding:10px 0;font-size:15px;color:var(--text-main)}
.feature-list li i{color:var(--primary);font-size:18px;margin-top:2px;flex-shrink:0}
.feature-list li span{line-height:1.6}

/* Category entry */
.category-entry{background:var(--dark-bg);position:relative;background-image:url('/assets/images/backpic/back-2.png');background-attachment:fixed;background-size:cover;background-position:center}
.category-entry .section-head h2{color:#fff}
.category-entry .section-head p{color:rgba(255,255,255,.75)}
.category-entry .section-tag{background:rgba(0,212,168,.18);color:var(--primary)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{position:relative;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 12px 40px rgba(0,0,0,.3);transition:all .35s ease}
.cat-card:hover{transform:translateY(-8px) scale(1.01)}
.cat-card .cat-img{height:220px;overflow:hidden;position:relative}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cat-card:hover .cat-img img{transform:scale(1.08)}
.cat-card .cat-body{padding:26px}
.cat-card .cat-badge{position:absolute;top:16px;left:16px;background:rgba(12,18,34,.82);color:var(--primary);padding:5px 14px;border-radius:30px;font-size:12px;font-weight:600;backdrop-filter:blur(4px)}
.cat-card h3{font-size:20px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.cat-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:18px}
.cat-card .cat-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark);font-size:14px;font-weight:600}
.cat-card .cat-link i{transition:transform .3s}
.cat-card:hover .cat-link i{transform:translateX(4px)}

/* News list */
.news-section{background:var(--light-bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease;display:block;position:relative}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .news-cover{height:180px;overflow:hidden}
.news-card .news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-card .news-body{padding:24px}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.news-cat{background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;padding:4px 12px;border-radius:30px}
.news-date{font-size:12px;color:var(--text-weak)}
.news-card h3{font-size:17px;font-weight:700;color:var(--text-main);line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--text-weak);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary-dark);font-weight:600}
.news-more i{transition:transform .3s}
.news-card:hover .news-more i{transform:translateX(4px)}
.empty-tip{grid-column:1/-1;text-align:center;padding:60px 20px;background:var(--card-bg);border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-weak);font-size:15px}

/* Process steps */
.process-section{background:#fff}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-grid::before{content:'';position:absolute;top:30px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.25;z-index:0}
.process-step{text-align:center;position:relative;z-index:1}
.step-num{width:60px;height:60px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff;box-shadow:0 8px 24px rgba(0,212,168,.3);position:relative}
.process-step h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-weak);line-height:1.6;max-width:220px;margin:0 auto}

/* Hot list */
.hot-section{background:var(--dark-bg);background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;position:relative}
.hot-section::before{content:'';position:absolute;inset:0;background:rgba(12,18,34,.85)}
.hot-section .container{position:relative;z-index:2}
.hot-section .section-head h2{color:#fff}
.hot-section .section-head p{color:rgba(255,255,255,.7)}
.hot-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.hot-list{display:flex;flex-direction:column;gap:16px}
.hot-item{display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.05);border-radius:14px;padding:16px 20px;border:1px solid rgba(255,255,255,.08);transition:all .3s ease;cursor:pointer}
.hot-item:hover{background:rgba(255,255,255,.1);transform:translateX(6px)}
.hot-rank{font-size:22px;font-weight:800;color:var(--primary);min-width:38px;font-style:italic}
.hot-item:nth-child(2) .hot-rank{color:#ffd166}
.hot-item:nth-child(3) .hot-rank{color:#ff7a45}
.hot-info{flex:1}
.hot-info h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:4px}
.hot-info p{font-size:13px;color:rgba(255,255,255,.55)}
.hot-tag{background:rgba(0,212,168,.15);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:30px;flex-shrink:0}
.hot-visual{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.4);position:relative}
.hot-visual img{width:100%;height:430px;object-fit:cover}
.hot-visual .visual-caption{position:absolute;bottom:0;left:0;right:0;padding:40px 24px 20px;background:linear-gradient(transparent,rgba(12,18,34,.9));color:#fff;font-size:14px}

/* FAQ */
.faq-section{background:var(--light-bg)}
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:var(--card-bg);border-radius:14px;border:1px solid var(--border);margin-bottom:14px;overflow:hidden;box-shadow:0 2px 8px rgba(12,18,34,.04);transition:box-shadow .3s}
.faq-item.is-active{box-shadow:var(--shadow)}
.faq-question{width:100%;background:none;border:none;padding:22px 24px;font-size:16px;font-weight:600;color:var(--text-main);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:left}
.faq-question .faq-icon{width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .3s;flex-shrink:0}
.faq-item.is-active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer p{padding:0 24px 22px;font-size:14px;line-height:1.8;color:var(--text-body)}

/* CTA */
.cta-section{position:relative;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:110px 0;color:#fff;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,18,34,.88),rgba(55,32,110,.7))}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:36px;font-weight:800;margin-bottom:18px;color:#fff}
.cta-section p{font-size:16px;color:rgba(255,255,255,.8);max-width:600px;margin:0 auto 36px;line-height:1.8}
.cta-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--dark-bg);color:rgba(255,255,255,.65);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px}
.footer-col a{display:block;color:rgba(255,255,255,.6);font-size:14px;padding:6px 0;transition:all .25s}
.footer-col a:hover{color:var(--primary);padding-left:6px}
.footer-contact p{font-size:14px;padding:5px 0;color:rgba(255,255,255,.55)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0 30px;font-size:13px;color:rgba(255,255,255,.4);flex-wrap:wrap;gap:10px}

/* Responsive */
@media (max-width:1024px){
  .brand-text{font-size:15px}
  .header-tools .search-box{width:170px}
  .intro-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr;gap:40px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .process-grid::before{display:none}
  .hot-layout{grid-template-columns:1fr;gap:40px}
  .hot-visual img{height:340px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .site-header .header-inner{gap:16px}
  .main-nav{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:var(--dark-bg);flex-direction:column;padding:16px 24px 24px;box-shadow:0 20px 40px rgba(0,0,0,.3);gap:8px;z-index:99}
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 20px;width:100%;justify-content:flex-start;font-size:15px}
  .header-tools{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:520px}
  .hero h1{font-size:32px}
  .hero-desc{font-size:15px}
  .hero-stats{gap:24px}
  .section-head h2{font-size:28px}
  .feature-media img{height:300px}
  .news-card .news-cover{height:140px}
  .cta-section h2{font-size:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero-actions .btn-primary-large,.hero-actions .btn-ghost{width:100%}
  .hero-stats .stat-num{font-size:24px}
  .intro-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;text-align:center}
  .brand-text{font-size:13px;max-width:200px;line-height:1.4}
}

/* roulang page: category1 */
:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --accent: #f59e0b;
  --accent-soft: #fef3c7;
  --bg: #f4f1fa;
  --surface: #ffffff;
  --dark: #0e0a1f;
  --dark-2: #17122b;
  --text: #1e1b2e;
  --muted: #6f6b82;
  --border: #e7e3ef;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 16px -6px rgba(23,18,43,.08);
  --shadow: 0 18px 40px -18px rgba(23,18,43,.14);
  --shadow-lg: 0 24px 60px -20px rgba(76,29,149,.24);
  --grad: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}
*,
*:before,
*:after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .5em;
  line-height: 1.25;
  color: var(--text);
}
p {
  margin: 0 0 1em;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
input, button, textarea {
  font-family: inherit;
}
button {
  cursor: pointer;
}
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}
.section {
  padding: clamp(64px, 9vw, 104px) 0;
}
.section-white {
  background: var(--surface);
}
.section-head {
  max-width: 720px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(124,58,237,.1);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-title {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -.5px;
}
.section-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(109,40,217,.7);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,.28);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--text);
  box-shadow: 0 8px 18px -8px rgba(23,18,43,.2);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--primary);
}
.btn-large {
  padding: 15px 34px;
  font-size: 17px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(14,10,31,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #8b5cf6, #f59e0b);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 8px 18px -8px rgba(245,158,11,.5);
}
.brand-text {
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  letter-spacing: .5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 18px;
  flex: 1;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  color: #b6b3c6;
  font-size: 15px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease, box-shadow .25s ease;
}
.nav-link i {
  font-size: 15px;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.nav-link.active {
  background: linear-gradient(135deg, rgba(139,92,246,.26), rgba(245,158,11,.16));
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 4px 4px 4px 16px;
  height: 42px;
  width: 220px;
}
.search-box input {
  border: none;
  background: transparent;
  color: #fff;
  font-size: 14px;
  outline: none;
  width: 100%;
}
.search-box input::placeholder {
  color: #9a97ad;
}
.search-box button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.16);
  color: #fff;
  transition: background .25s ease;
}
.search-box button:hover {
  background: var(--primary);
}
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: #e2dbf5;
  font-size: 14px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease;
}
.btn-login:hover {
  background: rgba(255,255,255,.14);
  color: #fff;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border: none;
  box-shadow: 0 8px 18px -8px rgba(109,40,217,.7);
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #fff;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: 18px;
}
.page-banner {
  position: relative;
  padding: 110px 0 90px;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(15,10,32,.96) 0%, rgba(40,17,78,.9) 52%, rgba(15,10,32,.6) 100%);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #a9a4c3;
  margin-bottom: 22px;
}
.breadcrumb a {
  color: #d9d1f2;
}
.breadcrumb a:hover {
  color: #fff;
}
.banner-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,.16);
  border: 1px solid rgba(245,158,11,.32);
  color: #ffe1a8;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 18px;
}
.banner-title {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  font-weight: 900;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.banner-text {
  font-size: 17px;
  line-height: 1.9;
  color: #d5ceea;
  max-width: 600px;
  margin-bottom: 28px;
}
.banner-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.banner-meta-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.banner-meta-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: #eae5f6;
}
.banner-preview-card {
  background: rgba(255,255,255,.94);
  border-radius: 22px;
  padding: 24px;
  color: var(--text);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.55);
}
.banner-preview-card .label {
  color: var(--muted);
  font-size: 13px;
}
.banner-preview-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-top: 6px;
}
.banner-preview-card .time {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 14px;
}
.banner-preview-card .progress {
  background: #ece7f6;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}
.banner-preview-card .progress span {
  display: block;
  height: 100%;
  background: var(--grad);
  border-radius: 999px;
}
.banner-preview-card .meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.match-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.match-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.match-card:hover .card-cover img {
  transform: scale(1.06);
}
.card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(14,10,31,.22) 100%);
}
.badge {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
}
.badge-hot {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
}
.badge-purple {
  background: var(--grad);
}
.badge-dark {
  background: rgba(14,10,31,.7);
  backdrop-filter: blur(6px);
}
.duration-badge {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 14px;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(6px);
  border-radius: 8px;
  padding: 4px 10px;
  color: #fff;
  font-size: 12px;
}
.card-body {
  flex: 1;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}
.card-meta i {
  color: var(--primary);
}
.card-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #cbd5e1;
}
.card-title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0;
}
.card-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}
.card-progress {
  margin-top: auto;
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.progress {
  height: 7px;
  background: #eee8f6;
  border-radius: 999px;
  overflow: hidden;
}
.progress span {
  display: block;
  height: 100%;
  background: var(--grad);
  border-radius: 999px;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 6px;
}
.card-footer .btn {
  padding: 9px 18px;
  font-size: 14px;
}
.tag-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag-list .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f5f2fa;
  border: 1px solid #ede8f5;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
}
.calendar-section {
  background: linear-gradient(180deg, #17122b 0%, #1d1533 100%);
  color: #fff;
}
.calendar-section .section-tag {
  background: rgba(255,255,255,.12);
  color: #ffd58a;
}
.calendar-section .section-title {
  color: #fff;
}
.calendar-section .section-desc {
  color: #b3abc9;
}
.calendar-panel {
  max-width: 960px;
  margin: 0 auto;
  padding: 8px 0;
}
.calendar-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 26px;
}
.calendar-day {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255,255,255,.09);
}
.calendar-day:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.day-block .day-num {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  color: #fff;
}
.day-block .day-week {
  font-size: 14px;
  color: #b6aee0;
}
.day-block .day-count {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  background: rgba(245,158,11,.16);
  color: #ffd58a;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(245,158,11,.2);
}
.update-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.update-item {
  display: flex;
  gap: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 14px 16px;
  align-items: flex-start;
}
.update-index {
  font-size: 15px;
  font-weight: 900;
  color: #a78bfa;
  min-width: 26px;
}
.update-info h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.update-info p {
  color: #aaa2c9;
  font-size: 13px;
  margin: 0;
}
.update-status {
  display: inline-flex;
  background: rgba(139,92,246,.2);
  border: 1px solid rgba(139,92,246,.3);
  color: #cbbbfb;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
}
.rank-list {
  display: grid;
  gap: 16px;
}
.rank-item {
  display: grid;
  grid-template-columns: 52px 76px 1fr auto;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px 16px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.rank-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.rank-no {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #f2effa;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: var(--primary);
}
.rank-item:nth-child(1) .rank-no {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #1f2937;
}
.rank-item:nth-child(2) .rank-no {
  background: linear-gradient(135deg, #cbd5e1, #94a3b8);
  color: #1f2937;
}
.rank-item:nth-child(3) .rank-no {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  color: #fff;
}
.rank-cover img {
  border-radius: 10px;
  width: 76px;
  height: 58px;
  object-fit: cover;
}
.rank-main h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
}
.rank-main .hot-tag {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}
.heat-bar {
  height: 6px;
  background: #eee8f6;
  border-radius: 999px;
  margin-top: 8px;
  overflow: hidden;
  max-width: 300px;
}
.heat-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
}
.rank-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.watch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.watch-card {
  background: var(--surface);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}
.watch-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.watch-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.watch-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.watch-cover .tag {
  position: absolute;
  left: 10px;
  top: 10px;
  background: var(--grad);
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.watch-cover .time {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(0,0,0,.7);
  color: #fff;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 8px;
}
.watch-body {
  padding: 16px;
}
.watch-body h3 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}
.watch-body p {
  font-size: 13px;
  color: var(--muted);
}
.watch-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.accordion {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-item {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.accordion-item:last-child {
  border-bottom: 0;
}
.accordion-title {
  background: #fff !important;
  color: var(--text) !important;
  font-weight: 700 !important;
  font-size: 16px !important;
  padding: 20px 24px !important;
  border-bottom: none !important;
}
.accordion-title:hover {
  background: #fbf8ff !important;
  color: var(--primary) !important;
}
.accordion-content {
  background: #fbfaff;
  color: var(--muted);
  padding: 0 24px;
  border-top: 1px solid var(--border);
}
.accordion-content p {
  padding: 16px 0;
  margin: 0;
  line-height: 1.9;
}
.cta-section {
  position: relative;
  padding: 100px 0;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15,10,32,.84);
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  margin-bottom: 14px;
}
.cta-inner p {
  color: #cbc4e6;
  font-size: 16px;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 26px;
}
.site-footer {
  background: #0d0a1a;
  color: #b8b3cc;
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .8fr .8fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  max-width: 360px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
}
.footer-col a {
  color: #b8b3cc;
  font-size: 14px;
  transition: color .25s ease;
}
.footer-col a:hover {
  color: #fff;
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin: 0;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  font-size: 14px;
  flex-wrap: wrap;
}
.footer-bottom p {
  margin: 0;
}
@media (max-width: 1024px) {
  .search-box {
    display: none;
  }
  .main-nav {
    margin-left: 0;
  }
  .watch-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    min-height: 60px;
    gap: 10px;
  }
  .brand-text {
    font-size: 15px;
  }
  .btn-login {
    display: none;
  }
  .btn-primary {
    padding: 8px 12px;
    font-size: 13px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 60px;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    background: rgba(14,10,31,.98);
    padding: 20px 16px;
    transform: translateY(-140%);
    transition: transform .3s ease;
    pointer-events: none;
    overflow-y: auto;
    border-top: 1px solid rgba(255,255,255,.08);
    margin-left: 0;
  }
  .main-nav.is-open {
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-link {
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 16px;
  }
  .section {
    padding: 64px 0;
  }
  .page-banner {
    padding: 72px 0 56px;
  }
  .banner-title {
    font-size: 34px;
  }
  .banner-preview-card {
    margin-top: 28px;
  }
  .calendar-day {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .rank-item {
    grid-template-columns: 44px 64px 1fr;
    grid-template-areas: "no cover main" "no cover actions";
  }
  .rank-no {
    grid-area: no;
  }
  .rank-cover {
    grid-area: cover;
  }
  .rank-main {
    grid-area: main;
  }
  .rank-actions {
    grid-area: actions;
  }
  .watch-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .watch-grid {
    grid-template-columns: 1fr;
  }
  .banner-actions,
  .cta-actions {
    flex-direction: column;
  }
  .banner-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }
  .header-tools .btn-primary {
    padding: 8px;
    font-size: 12px;
  }
}

/* roulang page: article */
:root {
    --primary: #ff6a00;
    --primary-dark: #e85d00;
    --primary-light: #ff9f43;
    --secondary: #0a0e27;
    --secondary-light: #141b38;
    --accent: #00d4ff;
    --bg: #f5f6fb;
    --surface: #ffffff;
    --text: #1a1f36;
    --text-weak: #7a8099;
    --border: #e4e6ef;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 12px rgba(10,14,39,.06);
    --shadow-md: 0 10px 32px rgba(10,14,39,.10);
    --shadow-lg: 0 24px 64px rgba(10,14,39,.16);
    --space-section: 64px;
    --font-family: "PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}

*,*::before,*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-family);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color .25s ease;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
ul,ol {
    list-style: none;
}
button,input {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}
button {
    cursor: pointer;
    border: none;
    background: none;
}

.container,
.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}
.row {
    max-width: 100%;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--secondary);
    border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 4px 24px rgba(0,0,0,.18);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 20px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg,var(--primary),#ff9f43);
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 14px rgba(255,106,0,.35);
}
.brand-text {
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
}
.main-nav {
    display: flex;
    gap: 6px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,.72);
    padding: 9px 15px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    transition: background .25s ease,color .25s ease;
}
.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,.1);
}
.nav-link.active {
    color: #fff;
    background: rgba(255,106,0,.22);
}
.header-tools {
    display: flex;
    align-items: center;
    gap: 10px;
}
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.1);
    border-radius: 999px;
    padding: 4px 4px 4px 16px;
    height: 38px;
}
.search-box input {
    background: none;
    border: none;
    color: #fff;
    width: 150px;
    font-size: 13px;
}
.search-box input::placeholder {
    color: rgba(255,255,255,.5);
}
.search-box button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    transition: background .25s ease;
}
.search-box button:hover {
    background: var(--primary-dark);
}
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,.85);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,.2);
    transition: all .25s ease;
}
.btn-login:hover {
    border-color: var(--primary);
    color: #fff;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: linear-gradient(135deg,var(--primary),#ff8c33);
    color: #fff;
    padding: 9px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(255,106,0,.35);
    transition: transform .25s ease,box-shadow .25s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255,106,0,.45);
    color: #fff;
}
.nav-toggle {
    display: none;
    color: #fff;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,.1);
    align-items: center;
    justify-content: center;
}
.nav-toggle:hover {
    background: rgba(255,255,255,.2);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.65);
    font-size: 13px;
    margin-bottom: 18px;
}
.breadcrumb a {
    color: rgba(255,255,255,.65);
}
.breadcrumb a:hover {
    color: var(--primary-light);
}
.breadcrumb .sep {
    opacity: .5;
}

/* ===== 文章 Hero ===== */
.article-hero {
    padding: 60px 0 70px;
    background:
        linear-gradient(135deg,rgba(10,14,39,.94) 0%,rgba(20,27,56,.86) 100%),
        url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,106,0,.22);
    color: var(--primary-light);
    border: 1px solid rgba(255,106,0,.35);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
}
.hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    max-width: 780px;
    margin-bottom: 18px;
    letter-spacing: .01em;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
    color: rgba(255,255,255,.65);
    font-size: 14px;
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.reading-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
    max-width: 480px;
}
.reading-progress .progress-track {
    flex: 1;
    height: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,.15);
    overflow: hidden;
}
.reading-progress .progress-fill {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg,var(--primary),var(--accent));
}
.reading-progress .progress-text {
    font-size: 12px;
    color: rgba(255,255,255,.6);
    white-space: nowrap;
}

/* ===== 正文区 ===== */
.article-layout {
    padding: 56px 0 70px;
    background: var(--bg);
}
.article-main {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px 44px;
    box-shadow: var(--shadow-sm);
}
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #333a50;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 800;
    margin: 28px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    color: var(--secondary);
}
.article-content h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 22px 0 12px;
    color: var(--secondary);
}
.article-content p {
    margin-bottom: 16px;
}
.article-content ul,
.article-content ol {
    margin: 0 0 16px 24px;
    list-style: disc;
}
.article-content li {
    margin-bottom: 6px;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
}
.article-content img {
    border-radius: var(--radius);
    margin: 16px 0;
    box-shadow: var(--shadow-sm);
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: #fff8f3;
    padding: 14px 18px;
    margin: 16px 0;
    border-radius: 0 10px 10px 0;
    color: #666;
}
.article-footer-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.article-tags span {
    font-size: 13px;
    color: var(--text-weak);
}
.article-tags a {
    display: inline-block;
    background: #f1f2f8;
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 12px;
    color: var(--text);
    transition: all .25s ease;
}
.article-tags a:hover {
    background: var(--primary);
    color: #fff;
}
.share-icons {
    display: flex;
    gap: 8px;
}
.share-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #f1f2f8;
    color: var(--text);
    transition: all .25s ease;
}
.share-icons a:hover {
    background: var(--secondary);
    color: #fff;
    transform: translateY(-2px);
}
.article-empty {
    text-align: center;
    padding: 70px 20px;
}
.article-empty i {
    font-size: 48px;
    color: #c6cad9;
    margin-bottom: 16px;
}
.article-empty p {
    font-size: 18px;
    color: var(--text-weak);
    margin-bottom: 24px;
}

/* ===== 侧栏 ===== */
.article-sidebar .side-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}
.side-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}
.side-card-title i {
    color: var(--primary);
}
.info-list {
    margin: 0;
}
.info-list li {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 13px;
}
.info-list li:last-child {
    border-bottom: none;
}
.info-list .info-label {
    color: var(--text-weak);
}
.hot-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.hot-list li:last-child {
    border-bottom: none;
}
.hot-num {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eff0f7;
    color: var(--text);
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}
.hot-list li:nth-child(1) .hot-num,
.hot-list li:nth-child(2) .hot-num,
.hot-list li:nth-child(3) .hot-num {
    background: linear-gradient(135deg,var(--primary),#ff9f43);
    color: #fff;
}
.hot-list .hot-item-title {
    flex: 1;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hot-list .hot-item-title:hover {
    color: var(--primary);
}
.side-card p {
    font-size: 13px;
    color: var(--text-weak);
    line-height: 1.7;
}

/* ===== 数据亮点 ===== */
.stats-section {
    padding: var(--space-section) 0;
    background: var(--secondary);
    color: #fff;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 30px;
}
.stat-item {
    text-align: center;
    padding: 20px;
}
.stat-num {
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(120deg,var(--primary-light),var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,.65);
    margin-top: 8px;
}

/* ===== 相关文章 ===== */
.related-section {
    padding: var(--space-section) 0;
    background: var(--bg);
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 34px;
}
.section-head h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--secondary);
}
.section-head p {
    color: var(--text-weak);
    font-size: 14px;
}
.section-head .section-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
}
.section-head .section-link i {
    transition: transform .25s ease;
}
.section-head .section-link:hover i {
    transform: translateX(4px);
}
.article-card {
    display: block;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .3s ease,box-shadow .3s ease;
    height: 100%;
}
.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.article-card-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e8eaf1;
}
.article-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}
.article-card:hover .article-card-cover img {
    transform: scale(1.05);
}
.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(10,14,39,.75);
    backdrop-filter: blur(6px);
    color: #fff;
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
}
.article-card-body {
    padding: 20px;
}
.article-card-body h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card-body p {
    font-size: 13px;
    color: var(--text-weak);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--text-weak);
}
.empty-text {
    text-align: center;
    padding: 40px 0;
    color: var(--text-weak);
    font-size: 15px;
}

/* ===== 流程 ===== */
.process-section {
    padding: var(--space-section) 0;
    background: var(--surface);
}
.step-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}
.step-card {
    text-align: center;
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: transform .3s ease,box-shadow .3s ease;
}
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.step-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg,var(--primary),#ff8c33);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(255,106,0,.3);
}
.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--secondary);
}
.step-card p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.65;
}
.step-num {
    position: absolute;
    top: 16px;
    right: 18px;
    font-size: 40px;
    font-weight: 800;
    color: rgba(10,14,39,.06);
    line-height: 1;
}

/* ===== FAQ ===== */
.faq-section {
    padding: var(--space-section) 0;
    background: var(--bg);
}
.faq-grid {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow .25s ease;
}
.faq-item:hover {
    box-shadow: var(--shadow-md);
}
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    font-weight: 600;
    color: var(--secondary);
    font-size: 15px;
    cursor: pointer;
    list-style: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary:after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 13px;
    color: var(--text-weak);
    transition: transform .3s ease;
}
.faq-item[open] summary:after {
    transform: rotate(180deg);
    color: var(--primary);
}
.faq-content {
    padding: 14px 24px 20px;
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.75;
    border-top: 1px solid var(--border);
}

/* ===== CTA ===== */
.cta-section {
    padding: var(--space-section) 0;
    background:
        linear-gradient(135deg,rgba(255,106,0,.88) 0%,rgba(230,93,0,.92) 100%),
        url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    color: #fff;
    text-align: center;
}
.cta-box h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-box p {
    font-size: 16px;
    opacity: .9;
    max-width: 560px;
    margin: 0 auto 30px;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary);
    padding: 14px 34px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(0,0,0,.18);
    transition: transform .25s ease,box-shadow .25s ease;
}
.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0,0,0,.24);
    color: var(--primary);
}
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px solid rgba(255,255,255,.6);
    color: #fff;
    padding: 12px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: all .25s ease;
}
.btn-outline-light:hover {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
    background: #0a0e27;
    color: rgba(255,255,255,.75);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-text {
    font-size: 18px;
}
.footer-brand p {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,.6);
    max-width: 340px;
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: rgba(255,255,255,.6);
    font-size: 14px;
    padding: 5px 0;
    transition: color .25s ease;
}
.footer-col a:hover {
    color: var(--primary-light);
}
.footer-col p {
    font-size: 14px;
    color: rgba(255,255,255,.6);
    margin-bottom: 8px;
}
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255,255,255,.45);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .header-tools .search-box {
        display: none;
    }
    .step-grid {
        gap: 20px;
    }
}
@media (max-width: 768px) {
    .site-header .header-inner {
        height: 60px;
    }
    .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--secondary);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
        display: none;
        border-bottom: 1px solid rgba(255,255,255,.08);
        box-shadow: 0 20px 40px rgba(0,0,0,.3);
    }
    .main-nav.is-open {
        display: flex;
    }
    .header-tools .btn-login {
        display: none;
    }
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .article-hero {
        padding: 44px 0 50px;
    }
    .hero-title {
        font-size: 28px;
    }
    .article-main {
        padding: 26px;
    }
    .stats-grid {
        grid-template-columns: repeat(2,1fr);
        gap: 16px;
    }
    .step-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 520px) {
    .container,
    .grid-container {
        padding: 0 16px;
    }
    .brand-text {
        font-size: 15px;
    }
    .header-tools .btn-primary {
        padding: 8px 14px;
        font-size: 13px;
    }
    .hero-title {
        font-size: 24px;
    }
    .article-main {
        padding: 20px;
        border-radius: 18px;
    }
    .stat-num {
        font-size: 34px;
    }
    .cta-box h2 {
        font-size: 26px;
    }
    .cta-actions .btn-white,
    .cta-actions .btn-outline-light {
        width: 100%;
        justify-content: center;
    }
}