/* roulang page: index */
:root{
  --primary:#ff4d30;
  --primary-dark:#e63e1f;
  --primary-light:#ff7a5e;
  --dark:#0e1424;
  --dark-soft:#1a2237;
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#18202f;
  --text-weak:#667085;
  --border:#e5e7ec;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(16,24,40,.08);
  --shadow-lg:0 24px 60px rgba(16,24,40,.14);
  --transition:.25s ease;
  --container:1280px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s,border-color .2s,background .2s,box-shadow .2s}
button,input,textarea{font:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:rgba(255,77,48,.1);color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.5px;margin-bottom:16px}
.section-title{font-size:38px;line-height:1.25;font-weight:800;color:var(--text);letter-spacing:-.5px}
.section-desc{font-size:17px;color:var(--text-weak);margin-top:14px}
.lead{font-size:18px;line-height:1.8}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(14,20,36,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:var(--container);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:800;color:#fff;letter-spacing:1px;line-height:1}
.logo-icon{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#ff9a3d);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;box-shadow:0 8px 20px rgba(255,77,48,.4)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;color:rgba(255,255,255,.75);font-size:15px;font-weight:500;transition:.25s}
.nav-menu a i{font-size:14px;opacity:.8}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));box-shadow:0 8px 20px rgba(255,77,48,.35)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:transparent;color:#fff;font-size:20px;cursor:pointer;align-items:center;justify-content:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 10px 24px rgba(255,77,48,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,77,48,.45)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--text);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.16)}
.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#fff}

/* Hero */
.hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;background:#0b0f1a}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,14,24,.94) 15%,rgba(10,14,24,.6) 55%,rgba(10,14,24,.25))}
.hero-content{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;color:#fff}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px;font-weight:500;letter-spacing:1px;backdrop-filter:blur(6px)}
.hero-tag i{color:var(--primary-light)}
.hero h1{font-size:58px;line-height:1.18;font-weight:800;margin:24px 0 20px;letter-spacing:-1px}
.hero h1 span{color:var(--primary-light);position:relative}
.hero-desc{font-size:20px;color:rgba(255,255,255,.82);max-width:580px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat strong{display:block;font-size:32px;font-weight:800;color:#fff}
.hero-stat span{font-size:14px;color:rgba(255,255,255,.62)}

/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,rgba(255,77,48,.12),rgba(255,154,61,.12));display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);margin-bottom:20px}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-weak);font-size:15px;line-height:1.7}

/* Category Cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.category-card{border-radius:22px;overflow:hidden;position:relative;background:var(--dark);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;min-height:340px;display:flex;align-items:flex-end}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.category-card:hover img{transform:scale(1.06)}
.category-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,24,0) 30%,rgba(10,14,24,.85) 100%)}
.category-card-body{position:relative;z-index:2;padding:32px 28px;color:#fff;width:100%}
.category-card-body h3{font-size:24px;font-weight:800;margin-bottom:8px}
.category-card-body p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.6;margin-bottom:16px}
.category-card-body .tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22)}

/* News / List */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;gap:20px;align-items:flex-start;transition:transform .25s,box-shadow .25s}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-icon{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:rgba(255,77,48,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px}
.news-body{flex:1}
.news-body .badge{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(255,77,48,.1);color:var(--primary);font-size:12px;font-weight:600;margin-bottom:8px}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:6px}
.news-body h3 a{transition:color .2s}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{color:var(--text-weak);font-size:14px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:16px;margin-top:10px;color:#98a2b3;font-size:13px}
.news-meta i{margin-right:4px}
.empty-tip{padding:48px;text-align:center;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-weak);font-size:16px}

/* Stats Band */
.stats-band{background:linear-gradient(135deg,var(--dark),var(--dark-soft));color:#fff;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,77,48,.2);filter:blur(90px);top:-120px;right:-80px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;position:relative;z-index:1}
.stat-item{text-align:center;padding:24px}
.stat-item .num{font-size:48px;font-weight:800;background:linear-gradient(135deg,#fff,#ffb59f);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-item .label{color:rgba(255,255,255,.6);font-size:15px;margin-top:8px}
.stat-item .icon{font-size:26px;color:var(--primary-light);margin-bottom:12px}

/* Flow / Steps */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.flow-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;text-align:center;position:relative;transition:transform .25s,box-shadow .25s}
.flow-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.flow-card::before{counter-increment:step;content:"0" counter(step);position:absolute;top:20px;left:24px;font-size:14px;font-weight:700;color:#c0c5d0}
.flow-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:linear-gradient(135deg,var(--primary),#ff9a3d);display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;box-shadow:0 10px 24px rgba(255,77,48,.35)}
.flow-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.flow-card p{color:var(--text-weak);font-size:14px}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:rgba(255,77,48,.4)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:24px 28px;cursor:pointer;font-size:17px;font-weight:600;color:var(--text)}
.faq-question i{transition:transform .3s;color:var(--primary);font-size:16px}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;padding:0 28px;transition:max-height .35s ease;color:var(--text-weak);font-size:15px;line-height:1.75}
.faq-item.open .faq-answer{max-height:400px;padding:0 28px 24px}

/* CTA Band */
.cta-band{position:relative;border-radius:32px;overflow:hidden;padding:80px 56px;text-align:center;color:#fff;background:var(--dark)}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(14,20,36,.88),rgba(255,77,48,.55))}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:40px;font-weight:800;margin-bottom:16px}
.cta-inner p{font-size:18px;color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.65);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.55);max-width:300px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.55);font-size:14px;transition:.2s}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:12px}
.footer-contact li i{color:var(--primary-light);margin-top:3px}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}

/* Section alt */
.section-alt{background:var(--surface)}
.divider{width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));margin:22px auto 0}

/* Responsive */
@media(max-width:1024px){
  .hero h1{font-size:44px}
  .section{padding:72px 0}
  .feature-grid,.category-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-menu{position:absolute;top:76px;left:0;right:0;background:var(--dark);flex-direction:column;align-items:stretch;padding:16px 24px 24px;gap:8px;display:none;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 16px;border-radius:12px}
  .hero{min-height:560px}
  .hero h1{font-size:32px}
  .hero-desc{font-size:17px}
  .hero-stats{flex-wrap:wrap;gap:24px}
  .section-title{font-size:30px}
  .section{padding:60px 0}
  .feature-grid,.category-grid,.flow-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:20px}
  .stat-item .num{font-size:36px}
  .cta-band{padding:56px 24px}
  .cta-inner h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .news-item{flex-direction:column}
}
@media(max-width:520px){
  .hero h1{font-size:26px}
  .hero-stats{flex-direction:column}
  .stats-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:32px}
}

/* roulang page: article */
:root {
  --primary: #e8443a;
  --primary-dark: #c72e25;
  --primary-light: #ff6b5e;
  --secondary: #f59e0b;
  --accent: #10b981;
  --dark: #16161d;
  --dark-2: #24242c;
  --bg-body: #f4f5f7;
  --bg-card: #ffffff;
  --border: #e4e5e8;
  --text: #1d1d1f;
  --text-weak: #6b6b72;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.05);
  --shadow-md: 0 6px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.12);
  --container: 1200px;
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg-body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 50px; font-weight: 600; font-size: 15px; transition: var(--transition); cursor: pointer; line-height: 1.4; }
.btn i { font-size: 14px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 4px 18px rgba(232,68,58,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,68,58,0.4); }
.btn-secondary { background: var(--secondary); color: #fff; box-shadow: 0 4px 18px rgba(245,158,11,0.3); }
.btn-secondary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.4); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); backdrop-filter: blur(8px); }
.btn-light:hover { background: rgba(255,255,255,0.25); }
.badge { display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; letter-spacing: .3px; }
.badge-primary { background: rgba(232,68,58,0.12); color: var(--primary); }
.badge-secondary { background: rgba(245,158,11,0.15); color: #b45309; }
.badge-dark { background: rgba(0,0,0,0.06); color: var(--text-weak); }
.badge-live { background: rgba(16,185,129,0.15); color: #059669; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(0,0,0,0.06); transition: var(--transition); }
.site-header .header-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.logo-icon { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #ff6b5e); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; box-shadow: 0 4px 14px rgba(232,68,58,0.35); }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 50px; font-weight: 600; font-size: 15px; color: #4b4b52; transition: var(--transition); }
.nav-menu a i { font-size: 14px; }
.nav-menu a:hover { background: rgba(232,68,58,0.08); color: var(--primary); }
.nav-menu a.active { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 4px 14px rgba(232,68,58,0.3); }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(0,0,0,0.05); color: var(--text); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; transition: var(--transition); }
.nav-toggle:hover { background: rgba(232,68,58,0.1); color: var(--primary); }
.article-hero { position: relative; background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 60%, #33333e 100%); color: #fff; padding: 90px 0 70px; overflow: hidden; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png'), url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: 0.25; }
.article-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22,22,29,0.65) 0%, rgba(22,22,29,0.85) 100%); }
.article-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 24px; flex-wrap: wrap; }
.hero-breadcrumb a { color: rgba(255,255,255,0.7); transition: var(--transition); }
.hero-breadcrumb a:hover { color: var(--primary-light); }
.hero-breadcrumb i { font-size: 11px; color: rgba(255,255,255,0.4); }
.article-hero .category-badge { margin-bottom: 16px; }
.article-hero h1 { font-size: clamp(26px, 4vw, 42px); line-height: 1.3; font-weight: 800; letter-spacing: -0.5px; max-width: 800px; margin-bottom: 20px; }
.article-hero .hero-meta { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,0.7); }
.hero-meta .meta-item { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .meta-item i { font-size: 13px; color: rgba(255,255,255,0.45); }
.hero-meta .meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.35); }
.article-layout { padding: 70px 0 90px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 50px; align-items: start; }
.article-main { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 48px; border: 1px solid rgba(0,0,0,0.04); }
.article-notfound { text-align: center; padding: 80px 20px; }
.article-notfound .nf-icon { width: 80px; height: 80px; border-radius: 50%; background: rgba(232,68,58,0.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 30px; color: var(--primary); }
.article-notfound h2 { font-size: 28px; margin-bottom: 12px; }
.article-notfound p { color: var(--text-weak); margin-bottom: 24px; }
.article-featured-img { border-radius: var(--radius); overflow: hidden; margin-bottom: 36px; box-shadow: var(--shadow-sm); }
.article-featured-img img { width: 100%; height: auto; object-fit: cover; }
.article-content { color: #333; font-size: 16px; line-height: 1.9; }
.article-content p { margin-bottom: 22px; }
.article-content h2 { font-size: 24px; font-weight: 700; margin: 36px 0 16px; padding-bottom: 12px; border-bottom: 2px solid #f0f0f0; letter-spacing: -0.3px; }
.article-content h3 { font-size: 19px; font-weight: 700; margin: 28px 0 12px; }
.article-content h4 { font-size: 17px; font-weight: 700; margin: 22px 0 10px; }
.article-content img { border-radius: var(--radius); margin: 24px 0; width: 100%; height: auto; }
.article-content ul, .article-content ol { margin: 0 0 22px; padding-left: 24px; }
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content blockquote { border-left: 4px solid var(--primary); background: rgba(232,68,58,0.05); padding: 18px 24px; margin: 24px 0; border-radius: 0 var(--radius) var(--radius) 0; font-style: italic; color: #555; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(232,68,58,0.3); transition: var(--transition); }
.article-content a:hover { color: var(--primary-dark); border-bottom-color: var(--primary); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-content table th, .article-content table td { padding: 12px 16px; border: 1px solid #eee; text-align: left; }
.article-content table th { background: #f8f8f8; font-weight: 600; }
.article-content code { background: #f0f0f2; padding: 3px 8px; border-radius: 5px; font-size: 14px; font-family: 'SF Mono', Consolas, monospace; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 28px; border-top: 1px solid #f0f0f0; }
.article-tags .tag { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; border-radius: 50px; background: rgba(0,0,0,0.04); color: #4b4b52; font-size: 13px; font-weight: 500; transition: var(--transition); }
.article-tags .tag:hover { background: rgba(232,68,58,0.1); color: var(--primary); }
.article-tags .tag i { font-size: 11px; }
.article-share { display: flex; align-items: center; gap: 14px; margin-top: 24px; padding: 20px 24px; background: #f8f9fb; border-radius: var(--radius); flex-wrap: wrap; }
.article-share .share-label { font-size: 14px; font-weight: 600; color: var(--text-weak); }
.share-btn { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: var(--transition); background: transparent; color: #6b6b72; cursor: pointer; }
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(232,68,58,0.3); }
.article-author-box { display: flex; align-items: center; gap: 20px; margin-top: 32px; padding: 28px; background: linear-gradient(135deg, rgba(232,68,58,0.04), rgba(245,158,11,0.04)); border-radius: var(--radius); border: 1px solid rgba(232,68,58,0.12); }
.author-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--secondary)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; flex-shrink: 0; box-shadow: 0 4px 14px rgba(232,68,58,0.25); }
.author-info h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.author-info p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }
.article-sidebar { display: flex; flex-direction: column; gap: 28px; position: sticky; top: 100px; }
.sidebar-card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 28px; border: 1px solid rgba(0,0,0,0.04); }
.sidebar-card .card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.sidebar-card .card-head .head-icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(232,68,58,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 14px; }
.sidebar-card .card-head h3 { font-size: 17px; font-weight: 700; }
.about-card { text-align: center; }
.about-card .about-img { border-radius: 14px; overflow: hidden; margin-bottom: 18px; }
.about-card .about-img img { width: 100%; height: 140px; object-fit: cover; }
.about-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 16px; text-align: left; }
.about-card .btn { width: 100%; }
.hot-list li { padding: 13px 0; border-bottom: 1px solid #f2f2f4; }
.hot-list li:last-child { border-bottom: none; }
.hot-list li a { display: flex; align-items: center; gap: 12px; transition: var(--transition); }
.hot-list li a:hover .hot-title { color: var(--primary); }
.hot-list .hot-num { width: 24px; height: 24px; border-radius: 7px; background: rgba(0,0,0,0.05); font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; color: var(--text-weak); flex-shrink: 0; }
.hot-list li:nth-child(1) .hot-num { background: var(--primary); color: #fff; }
.hot-list li:nth-child(2) .hot-num { background: var(--secondary); color: #fff; }
.hot-list li:nth-child(3) .hot-num { background: rgba(16,185,129,0.2); color: #059669; }
.hot-title { font-size: 14px; font-weight: 500; color: var(--text); transition: var(--transition); line-height: 1.4; }
.hot-date { font-size: 12px; color: #aaa; margin-top: 3px; }
.subscribe-card { background: linear-gradient(135deg, var(--dark), var(--dark-2)); color: #fff; border: none; position: relative; overflow: hidden; }
.subscribe-card::before { content: ''; position: absolute; top: -40px; right: -40px; width: 120px; height: 120px; border-radius: 50%; background: rgba(232,68,58,0.3); }
.subscribe-card .card-head h3 { color: #fff; }
.subscribe-card .card-head .head-icon { background: rgba(255,255,255,0.15); color: #fff; }
.subscribe-card p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.6; margin-bottom: 18px; }
.subscribe-form input { width: 100%; padding: 12px 16px; border-radius: 10px; background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.15); font-size: 14px; margin-bottom: 12px; transition: var(--transition); }
.subscribe-form input::placeholder { color: rgba(255,255,255,0.4); }
.subscribe-form input:focus { border-color: var(--primary-light); background: rgba(255,255,255,0.15); }
.subscribe-form .btn { width: 100%; }
.related-section { background: #fff; padding: 80px 0; border-top: 1px solid rgba(0,0,0,0.04); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .section-tag { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; border-radius: 50px; background: rgba(232,68,58,0.1); color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(24px, 3.5vw, 34px); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 10px; }
.section-head p { color: var(--text-weak); font-size: 15px; max-width: 600px; margin: 0 auto; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(0,0,0,0.04); box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card .rc-img { height: 190px; overflow: hidden; position: relative; }
.related-card .rc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.related-card:hover .rc-img img { transform: scale(1.05); }
.related-card .rc-img .rc-badge { position: absolute; top: 14px; left: 14px; }
.related-card .rc-body { padding: 22px; flex: 1; }
.related-card .rc-body h3 { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; transition: var(--transition); }
.related-card .rc-body h3 a:hover { color: var(--primary); }
.related-card .rc-body p { font-size: 14px; color: var(--text-weak); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.related-card .rc-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; color: #aaa; padding-top: 14px; border-top: 1px solid #f2f2f4; }
.related-card .rc-meta i { font-size: 11px; }
.faq-section { padding: 80px 0; background: var(--bg-body); }
.faq-grid { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.04); overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); border-color: rgba(232,68,58,0.15); }
.faq-question { padding: 22px 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); }
.faq-question .fa-chevron-down { color: var(--primary); font-size: 13px; transition: var(--transition); flex-shrink: 0; }
.faq-item.active .fa-chevron-down { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer-inner { padding: 0 28px 22px; font-size: 14px; line-height: 1.8; color: var(--text-weak); }
.faq-item.active .faq-answer { max-height: 300px; }
.cta-band { background: linear-gradient(135deg, var(--dark), #1e1e2a); color: #fff; padding: 70px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ''; position: absolute; top: 0; right: 0; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(232,68,58,0.25), transparent 70%); }
.cta-band::after { content: ''; position: absolute; bottom: -100px; left: -100px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(245,158,11,0.15), transparent 70%); }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-text h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 800; margin-bottom: 10px; letter-spacing: -0.3px; }
.cta-text p { color: rgba(255,255,255,0.65); font-size: 15px; line-height: 1.7; }
.cta-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer { background: #111118; color: rgba(255,255,255,0.6); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 50px; }
.footer-brand .logo { color: #fff; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.55); }
.footer-contact i { color: var(--primary); font-size: 13px; width: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu { position: fixed; top: 72px; left: 0; right: 0; background: #fff; padding: 16px; flex-direction: column; align-items: stretch; gap: 8px; border-bottom: 1px solid #eee; box-shadow: 0 10px 30px rgba(0,0,0,0.1); transform: translateY(-120%); opacity: 0; transition: var(--transition); z-index: 999; }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-menu a { padding: 12px 18px; justify-content: flex-start; }
  .article-hero { padding: 60px 0 45px; }
  .article-main { padding: 28px 20px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .hero-meta { gap: 12px; }
  .article-content h2 { font-size: 20px; }
  .article-content { font-size: 15px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .site-header .header-inner { height: 64px; padding: 0 16px; }
  .logo { font-size: 18px; }
  .logo-icon { width: 34px; height: 34px; font-size: 14px; }
  .nav-menu { top: 64px; }
  .article-layout { padding: 45px 0 60px; }
  .article-main { padding: 22px 16px; border-radius: 14px; }
  .related-card .rc-img { height: 155px; }
  .faq-question { padding: 18px 20px; font-size: 15px; }
  .faq-answer-inner { padding: 0 20px 18px; }
  .btn { padding: 10px 20px; font-size: 14px; }
}

/* roulang page: category1 */
:root {
  --primary: #e11b2a;
  --primary-dark: #b70f1d;
  --primary-soft: #fff1f1;
  --accent: #ff6b35;
  --accent-soft: #fff4ec;
  --dark: #111827;
  --dark-soft: #1e2735;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --text: #1a1d24;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-inner: 14px;
  --shadow: 0 10px 30px rgba(17, 24, 39, .08);
  --shadow-lg: 0 24px 50px rgba(17, 24, 39, .14);
  --transition: all .3s ease;
  --container: 1200px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: .5px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(225, 27, 42, .3);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-menu a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-light);
  transition: var(--transition);
}
.nav-menu a:hover {
  background: var(--bg-soft);
  color: var(--primary);
}
.nav-menu a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(225, 27, 42, .3);
}
.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--dark);
  padding: 8px;
}
.page-banner {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 18, 30, .94) 0%, rgba(13, 18, 30, .7) 45%, rgba(225, 27, 42, .32) 100%);
}
.banner-content {
  position: relative;
  z-index: 2;
  padding: 88px 0;
  max-width: 760px;
}
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.page-banner h1 {
  font-size: 48px;
  color: #fff;
  margin: 18px 0 12px;
  letter-spacing: 2px;
  line-height: 1.25;
}
.page-banner p {
  color: rgba(255, 255, 255, .85);
  font-size: 17px;
  max-width: 580px;
  line-height: 1.8;
}
.banner-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 10px 26px rgba(225, 27, 42, .35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(225, 27, 42, .42);
}
.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, .2);
  transform: translateY(-2px);
}
.live-stats {
  position: relative;
  z-index: 3;
  margin-top: -48px;
  padding-bottom: 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px 36px;
  border: 1px solid rgba(255, 255, 255, .6);
}
.stat-item {
  text-align: center;
  padding: 12px 8px;
}
.stat-num {
  font-size: 38px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-label {
  color: var(--text-light);
  font-size: 14px;
  margin-top: 6px;
  font-weight: 600;
}
.section {
  padding: 88px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -.5px;
  line-height: 1.3;
}
.section-head .sub {
  color: var(--text-light);
  margin-top: 8px;
  max-width: 560px;
  font-size: 15px;
}
.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  white-space: nowrap;
}
.section-more:hover {
  gap: 14px;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.news-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.news-card:hover .news-cover img {
  transform: scale(1.06);
}
.news-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: var(--primary);
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(225, 27, 42, .35);
}
.news-body {
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-body h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
  font-weight: 700;
  color: var(--dark);
}
.news-body h3 a {
  transition: var(--transition);
}
.news-body h3 a:hover {
  color: var(--primary);
}
.news-body p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  color: var(--text-light);
  font-size: 13px;
}
.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: stretch;
}
.split-panel {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 30px 30px 22px;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.panel-title .icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 17px;
}
.panel-sub {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 20px;
  padding-left: 48px;
}
.rank-list {
  display: flex;
  flex-direction: column;
}
.rank-item {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px dashed var(--border);
}
.rank-item:last-child {
  border-bottom: none;
}
.rank-no {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  background: var(--bg-soft);
  color: var(--text-light);
}
.rank-item:nth-child(1) .rank-no {
  background: linear-gradient(135deg, #ffd76a, #ff9f1c);
  color: #fff;
}
.rank-item:nth-child(2) .rank-no {
  background: linear-gradient(135deg, #e6e9f0, #b8bfcd);
  color: #fff;
}
.rank-item:nth-child(3) .rank-no {
  background: linear-gradient(135deg, #f2b07c, #d9792b);
  color: #fff;
}
.rank-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
}
.rank-meta {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}
.hot-bar {
  width: 96px;
  height: 8px;
  background: var(--bg-soft);
  border-radius: 99px;
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
}
.hot-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  display: block;
}
.rank-num {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
  min-width: 52px;
  text-align: right;
}
.timeline {
  position: relative;
  padding-left: 24px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding: 14px 0 14px 20px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
}
.timeline-item.done::before {
  border-color: #aab3c2;
}
.timeline-item.live::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, .18);
}
.tl-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.tl-time {
  font-weight: 800;
  font-size: 15px;
  color: var(--primary);
}
.tl-status {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 99px;
  font-weight: 700;
  background: var(--bg-soft);
  color: var(--text-light);
  white-space: nowrap;
}
.tl-status.live {
  background: #fff1e8;
  color: var(--accent);
}
.tl-title {
  font-weight: 700;
  margin-top: 4px;
  font-size: 15px;
  color: var(--dark);
}
.tl-desc {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.feature-card {
  display: flex;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-card img {
  width: 45%;
  object-fit: cover;
  min-height: 230px;
}
.feature-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-body .feature-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 14px;
}
.feature-body h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--dark);
  line-height: 1.5;
}
.feature-body p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}
.feature-more {
  color: var(--primary);
  font-weight: 700;
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.feature-more:hover {
  gap: 14px;
}
.quote-band {
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.quote-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17, 24, 39, .94), rgba(30, 35, 46, .88));
}
.quote-inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.quote-inner .icon {
  font-size: 42px;
  color: var(--accent);
  margin-bottom: 20px;
}
.quote-inner blockquote {
  font-size: 24px;
  color: #fff;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: .5px;
}
.quote-inner cite {
  display: block;
  margin-top: 20px;
  color: rgba(255, 255, 255, .55);
  font-style: normal;
  font-size: 14px;
  letter-spacing: 3px;
}
.faq-section {
  background: var(--bg-soft);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active {
  box-shadow: var(--shadow-lg);
}
.faq-q {
  width: 100%;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  color: var(--dark);
  transition: var(--transition);
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q i {
  transition: transform .3s ease;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.faq-item.active .faq-q i {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-a-inner {
  padding: 0 26px 24px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.85;
}
.cta-section {
  padding: 0 0 88px;
}
.cta-inner {
  background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 56px 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(225, 27, 42, .3);
}
.cta-inner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.cta-inner h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}
.cta-inner p {
  opacity: .92;
  max-width: 480px;
  position: relative;
  z-index: 2;
  line-height: 1.7;
}
.cta-btn {
  background: #fff;
  color: var(--primary);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, .22);
}
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .72);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col a {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  transition: var(--transition);
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-contact li {
  font-size: 14px;
  display: flex;
  gap: 10px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .split-layout {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card img {
    min-height: 200px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-inner {
    flex-direction: column;
    padding: 44px;
    text-align: center;
  }
  .page-banner {
    min-height: 320px;
  }
  .page-banner h1 {
    font-size: 38px;
  }
  .rank-item {
    grid-template-columns: 36px 1fr auto;
  }
  .hot-bar {
    display: none;
  }
}
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    gap: 4px;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu a {
    width: 100%;
    justify-content: center;
    padding: 14px;
  }
  .section {
    padding: 64px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .stats-grid {
    padding: 20px;
    gap: 14px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .quote-inner blockquote {
    font-size: 20px;
  }
  .cta-inner {
    padding: 32px 24px;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .panel-sub {
    padding-left: 0;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }
  .header-inner {
    padding: 0 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .page-banner h1 {
    font-size: 30px;
  }
  .page-banner p {
    font-size: 15px;
  }
  .feature-card {
    flex-direction: column;
  }
  .feature-card img {
    width: 100%;
    min-height: 180px;
  }
  .rank-item {
    grid-template-columns: 36px 1fr;
  }
  .rank-num {
    grid-column: 2;
    text-align: left;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    padding: 16px;
  }
  .stat-num {
    font-size: 28px;
  }
  .cta-btn {
    width: 100%;
  }
}

/* roulang page: category2 */
:root{
  --primary:#e6452f;
  --primary-dark:#c93522;
  --primary-light:#ff6a52;
  --secondary:#14243a;
  --secondary-light:#203653;
  --accent:#ffb800;
  --bg:#f5f4f2;
  --bg-deep:#101c2c;
  --surface:#ffffff;
  --text:#1c2733;
  --text-body:#4b5a69;
  --weak:#8a96a3;
  --line:#e6e3df;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(20,36,58,.08);
  --shadow-lg:0 24px 60px rgba(20,36,58,.16);
  --space:clamp(64px,7vw,110px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
::selection{background:rgba(230,69,47,.18);color:var(--primary-dark)}
:focus-visible{outline:3px solid rgba(230,69,47,.4);outline-offset:2px;border-radius:4px}

/* ===== Header / 导航 ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,227,223,.7);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,36,58,.08)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.42rem;font-weight:800;color:var(--secondary);letter-spacing:.5px}
.logo-icon{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.05rem;box-shadow:0 6px 14px rgba(230,69,47,.32)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{display:flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;font-weight:600;font-size:.96rem;color:var(--text-body);transition:all .25s}
.nav-menu a i{font-size:.85rem;color:var(--weak);transition:color .25s}
.nav-menu a:hover{color:var(--primary);background:rgba(230,69,47,.08)}
.nav-menu a:hover i{color:var(--primary)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));box-shadow:0 8px 20px rgba(230,69,47,.32)}
.nav-menu a.active i{color:#fff}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--secondary);font-size:1.15rem;transition:all .25s}
.nav-toggle:hover{background:rgba(230,69,47,.08);color:var(--primary);border-color:rgba(230,69,47,.3)}

/* ===== Button / 通用组件 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 30px;border-radius:999px;font-weight:700;font-size:.98rem;transition:all .3s;border:2px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 10px 26px rgba(230,69,47,.36)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(230,69,47,.46)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-3px)}
.btn-line{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-line:hover{background:var(--primary);color:#fff;transform:translateY(-3px);box-shadow:0 12px 26px rgba(230,69,47,.3)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:999px;font-size:.78rem;font-weight:700;background:rgba(230,69,47,.1);color:var(--primary)}
.tag-sky{background:rgba(41,132,255,.1);color:#2984ff}
.tag-green{background:rgba(24,178,118,.12);color:#16b276}
.tag-gold{background:rgba(255,184,0,.16);color:#c77e00}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:8px;font-size:.75rem;font-weight:800;background:var(--secondary);color:#fff}

/* ===== Hero ===== */
.page-hero{position:relative;padding:clamp(80px,9vw,150px) 0 clamp(70px,8vw,130px);background:linear-gradient(100deg,rgba(16,28,44,.93) 20%,rgba(20,36,58,.72) 55%,rgba(230,69,47,.35)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-60%;right:-10%;width:520px;height:520px;background:radial-gradient(circle,rgba(230,69,47,.35),transparent 65%);filter:blur(20px)}
.page-hero::after{content:'';position:absolute;bottom:-40%;left:-5%;width:420px;height:420px;background:radial-gradient(circle,rgba(255,184,0,.22),transparent 65%);filter:blur(20px)}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 20px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:.86rem;font-weight:700;letter-spacing:1px;margin-bottom:24px}
.hero-kicker i{color:var(--accent)}
.page-hero h1{font-size:clamp(2.3rem,4.6vw,3.8rem);font-weight:900;line-height:1.18;letter-spacing:1px;margin-bottom:20px}
.page-hero h1 span{background:linear-gradient(90deg,var(--accent),var(--primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-hero p{font-size:clamp(1rem,1.4vw,1.2rem);color:rgba(255,255,255,.84);max-width:620px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,48px);margin-top:clamp(40px,5vw,60px);padding-top:30px;border-top:1px solid rgba(255,255,255,.18)}
.hero-stat strong{display:block;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:900;color:#fff}
.hero-stat strong i{font-style:normal;color:var(--accent)}
.hero-stat span{font-size:.86rem;color:rgba(255,255,255,.68)}
.hero-wave{position:absolute;bottom:-1px;left:0;width:100%;height:60px;background:var(--bg);border-radius:60% 100% 0 0/20px 16px 0 0;z-index:3}

/* ===== Section 基础 ===== */
.section{padding:var(--space) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:clamp(30px,4vw,48px);flex-wrap:wrap}
.section-head h2{font-size:clamp(1.7rem,2.8vw,2.4rem);font-weight:900;letter-spacing:.5px;line-height:1.3;color:var(--secondary)}
.section-head p{color:var(--text-body);max-width:520px;font-size:.98rem}
.section-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--primary);font-size:.94rem;transition:gap .25s}
.section-more:hover{gap:13px}
.section-title-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 16px;border-radius:999px;background:rgba(230,69,47,.1);color:var(--primary);font-weight:800;font-size:.8rem;letter-spacing:1px;margin-bottom:14px}
.section-title-badge i{color:var(--primary)}

/* ===== 精选攻略卡片 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .35s,box-shadow .35s;display:flex;flex-direction:column;position:relative}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.feature-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.feature-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.feature-card:hover .cover img{transform:scale(1.06)}
.feature-card .cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,20,32,.68))}
.feature-card .cover .tag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(255,255,255,.95);color:var(--primary);box-shadow:0 4px 12px rgba(0,0,0,.16)}
.feature-card .cover .level{position:absolute;right:14px;top:14px;z-index:2;background:rgba(10,20,32,.75);backdrop-filter:blur(6px);color:#fff;font-size:.73rem;font-weight:700;padding:4px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.25)}
.feature-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.feature-card .body h3{font-size:1.16rem;font-weight:800;line-height:1.45;margin-bottom:10px;color:var(--secondary);transition:color .25s}
.feature-card .body h3:hover{color:var(--primary)}
.feature-card .body p{font-size:.9rem;color:var(--weak);line-height:1.7;margin-bottom:18px;flex:1}
.feature-card .meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px}
.feature-card .meta span{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;color:var(--weak)}
.feature-card .meta a{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:800;color:var(--primary)}
.feature-card .meta a i{transition:transform .25s}
.feature-card .meta a:hover i{transform:translateX(4px)}

/* ===== 内容分栏 ===== */
.split-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.split-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,5vw,70px);align-items:center}
.split-visual{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split-visual img{width:100%;height:100%;object-fit:cover}
.split-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(20,36,58,0) 40%,rgba(230,69,47,.35));pointer-events:none}
.split-visual .play-tag{position:absolute;z-index:2;left:18px;bottom:18px;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.94);padding:10px 18px;border-radius:999px;font-weight:800;font-size:.88rem;color:var(--secondary);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.split-visual .play-tag i{color:var(--primary);font-size:1rem}
.split-copy h2{font-size:clamp(1.7rem,2.8vw,2.4rem);font-weight:900;line-height:1.35;margin-bottom:18px;color:var(--secondary)}
.split-copy>p{color:var(--text-body);font-size:.98rem;margin-bottom:28px}
.plan-list{display:flex;flex-direction:column;gap:0}
.plan-list li{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line)}
.plan-list li:last-child{border-bottom:none}
.plan-num{flex:0 0 42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--secondary),var(--secondary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.95rem}
.plan-list li:nth-child(2) .plan-num{background:linear-gradient(135deg,var(--primary),var(--primary-light))}
.plan-list li:nth-child(3) .plan-num{background:linear-gradient(135deg,var(--accent),#f59f00)}
.plan-list h4{font-size:1.02rem;font-weight:800;color:var(--secondary);margin-bottom:4px}
.plan-list p{font-size:.87rem;color:var(--weak);line-height:1.65}

/* ===== 进阶路径时间线 ===== */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:path}
.path-card{position:relative;background:var(--surface);border-radius:var(--radius);padding:36px 26px 28px;box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .3s,box-shadow .3s;overflow:hidden}
.path-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.path-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.85}
.path-card:nth-child(2)::before{background:linear-gradient(90deg,#2984ff,#7bd0ff)}
.path-card:nth-child(3)::before{background:linear-gradient(90deg,#16b276,#7be0b2)}
.path-step{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;color:var(--weak);letter-spacing:1px;margin-bottom:16px}
.path-step i{color:var(--primary)}
.path-card h3{font-size:1.2rem;font-weight:800;color:var(--secondary);margin-bottom:12px}
.path-card p{font-size:.9rem;color:var(--text-body);line-height:1.75;margin-bottom:20px}
.path-card ul{display:flex;flex-direction:column;gap:10px}
.path-card ul li{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--text-body)}
.path-card ul li i{color:#16b276;font-size:.8rem;margin-top:6px}
.path-duration{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:.82rem}
.path-duration span{color:var(--weak)}
.path-duration strong{color:var(--primary);font-size:.92rem}

/* ===== 数据排行 ===== */
.pulse-band{background:var(--bg-deep);color:#fff;border-radius:26px;overflow:hidden;position:relative}
.pulse-band::before{content:'';position:absolute;top:-30%;right:-5%;width:400px;height:400px;background:radial-gradient(circle,rgba(230,69,47,.3),transparent 60%)}
.pulse-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,60px);padding:clamp(34px,5vw,64px)}
.pulse-head h2{font-size:clamp(1.6rem,2.8vw,2.3rem);font-weight:900;line-height:1.35;margin-bottom:16px}
.pulse-head p{color:rgba(255,255,255,.7);font-size:.96rem;margin-bottom:30px}
.pulse-head .btn{margin-top:6px}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 18px;backdrop-filter:blur(4px);transition:background .25s,transform .25s}
.rank-item:hover{background:rgba(255,255,255,.13);transform:translateX(4px)}
.rank-num{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.95rem;color:#fff}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,var(--accent),#ff9500);box-shadow:0 6px 16px rgba(255,184,0,.4)}
.rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#aeb9c4,#78909c)}
.rank-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#c07a4b,#9e5a2e)}
.rank-info strong{display:block;font-size:.98rem;color:#fff;margin-bottom:2px}
.rank-info span{font-size:.78rem;color:rgba(255,255,255,.6)}
.rank-score{text-align:right}
.rank-score strong{font-size:1.05rem;color:var(--accent);font-weight:900}
.rank-score span{display:block;font-size:.72rem;color:rgba(255,255,255,.5)}

/* ===== 内容列表 ===== */
.list-layout{display:grid;grid-template-columns:1fr 340px;gap:30px;align-items:start}
.wide-list{display:flex;flex-direction:column;gap:18px}
.list-item{display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:box-shadow .3s,transform .3s;align-items:center}
.list-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.list-thumb{flex:0 0 180px;border-radius:12px;overflow:hidden;position:relative}
.list-thumb img{aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.list-item:hover .list-thumb img{transform:scale(1.05)}
.list-thumb .duration{position:absolute;right:8px;bottom:8px;background:rgba(10,20,32,.8);color:#fff;font-size:.72rem;font-weight:700;padding:2px 10px;border-radius:999px;backdrop-filter:blur(4px)}
.list-info{flex:1;min-width:0}
.list-info h3{font-size:1.05rem;font-weight:800;color:var(--secondary);line-height:1.5;margin-bottom:8px;transition:color .25s}
.list-info h3:hover{color:var(--primary)}
.list-info p{font-size:.86rem;color:var(--weak);line-height:1.65;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-info .tags{display:flex;gap:8px;flex-wrap:wrap}
.list-info .tags span{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;font-weight:700;color:var(--text-body);background:#f2f0ed;padding:3px 10px;border-radius:999px}
.list-info .tags span i{color:var(--primary);font-size:.72rem}
.side-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--line);padding:26px;box-shadow:var(--shadow)}
.side-card h3{font-size:1.05rem;font-weight:900;color:var(--secondary);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.side-card h3::before{content:'';width:4px;height:18px;border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.side-list{display:flex;flex-direction:column}
.side-list li{display:flex;gap:13px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list li i{color:var(--primary);font-size:.82rem;margin-top:7px}
.side-list li a{font-size:.9rem;font-weight:600;color:var(--text-body);line-height:1.55;transition:color .25s}
.side-list li a:hover{color:var(--primary)}
.side-card .side-tip{margin-top:18px;padding:16px;border-radius:14px;background:linear-gradient(135deg,rgba(230,69,47,.08),rgba(255,184,0,.12));font-size:.85rem;color:var(--text-body);line-height:1.75}
.side-card .side-tip strong{color:var(--primary)}

/* ===== FAQ ===== */
.faq-wrap{background:var(--surface);border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;background:none;text-align:left;font-size:1.02rem;font-weight:800;color:var(--secondary);transition:background .25s;line-height:1.5}
.faq-btn:hover{background:rgba(230,69,47,.05)}
.faq-btn i{flex:0 0 30px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--line);color:var(--text-body);font-size:.8rem;transition:all .35s}
.faq-item.active .faq-btn i{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer p{padding:0 28px 24px;color:var(--text-body);font-size:.93rem;line-height:1.8}

/* ===== CTA ===== */
.cta-band{position:relative;border-radius:28px;overflow:hidden;background:linear-gradient(115deg,rgba(16,28,44,.96),rgba(32,54,82,.9)),url('/assets/images/backpic/back-3.png') center/cover;padding:clamp(42px,6vw,80px);text-align:center;color:#fff}
.cta-band::before{content:'';position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:600px;height:300px;background:radial-gradient(ellipse,rgba(230,69,47,.4),transparent 60%);filter:blur(20px)}
.cta-band .badge{background:rgba(255,184,0,.18);color:var(--accent);margin-bottom:18px;padding:6px 16px;border-radius:999px;border:1px solid rgba(255,184,0,.3)}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:900;line-height:1.35;margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 32px;font-size:1rem}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}

/* ===== Footer ===== */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);margin-top:clamp(80px,9vw,120px)}
.site-footer .container{padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:50px}
.footer-brand .logo{color:#fff;font-size:1.4rem;margin-bottom:18px}
.footer-brand p{font-size:.9rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:800;margin-bottom:20px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:.9rem;color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s}
.footer-col ul a:hover{color:var(--accent);padding-left:5px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:.88rem;color:rgba(255,255,255,.6);line-height:1.65}
.footer-contact li i{color:var(--primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:rgba(255,255,255,.46)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .path-grid{grid-template-columns:1fr 1fr}
  .split-grid{grid-template-columns:1fr}
  .pulse-inner{grid-template-columns:1fr}
  .list-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .header-inner{height:64px}
  .nav-menu{position:fixed;top:64px;left:0;width:100%;background:var(--surface);flex-direction:column;align-items:stretch;padding:14px 20px 22px;gap:8px;box-shadow:0 24px 40px rgba(20,36,58,.14);transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:all .3s}
  .nav-menu.open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-menu a{justify-content:center;padding:13px 16px;font-size:1rem}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .feature-grid{grid-template-columns:1fr}
  .path-grid{grid-template-columns:1fr}
  .list-item{flex-direction:column;align-items:stretch}
  .list-thumb{flex:none}
  .hero-stats{gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer .container{padding-top:54px}
  .section-head p{max-width:100%}
}
@media(max-width:520px){
  .container,.header-inner{padding:0 18px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .pulse-inner{padding:28px 22px}
  .faq-btn{padding:18px 20px}
  .faq-answer p{padding:0 20px 20px}
  .cta-band{padding:40px 22px}
  .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category3 */
:root {
  --primary: #ff3d2e;
  --primary-dark: #d62c1f;
  --accent: #ffb627;
  --dark: #0d1522;
  --dark-2: #152233;
  --dark-3: #1e2c40;
  --light: #f6f8fb;
  --white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e8ecf1;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(13, 21, 34, 0.06);
  --shadow-md: 0 10px 30px rgba(13, 21, 34, 0.1);
  --shadow-lg: 0 24px 60px rgba(13, 21, 34, 0.16);
  --transition: all 0.3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--light); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input { font-family: inherit; }
.container { width: 100%; max-width: 1220px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; border-radius: 999px; background: linear-gradient(135deg, rgba(255, 61, 46, 0.12), rgba(255, 182, 39, 0.12)); color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 0.03em; }
.section-tag i { font-size: 12px; }
.section-head h2 { font-size: 38px; line-height: 1.22; font-weight: 800; margin: 14px 0 12px; color: var(--dark); letter-spacing: -0.02em; }
.section-head p { font-size: 16px; color: var(--text-muted); }

/* Header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(9, 14, 22, 0.88); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 900; color: #fff; letter-spacing: 0.01em; }
.logo-icon { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 17px; box-shadow: 0 8px 22px rgba(255, 61, 46, 0.35); }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a { display: inline-flex; align-items: center; gap: 7px; padding: 10px 18px; border-radius: 999px; color: rgba(255, 255, 255, 0.78); font-size: 15px; font-weight: 600; white-space: nowrap; }
.nav-menu a i { font-size: 14px; opacity: 0.85; }
.nav-menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-menu a.active { color: #fff; background: linear-gradient(135deg, var(--primary), #ff6a3d); box-shadow: 0 8px 24px rgba(255, 61, 46, 0.38); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 22px; cursor: pointer; padding: 8px; border-radius: 10px; }
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 15px 30px; border-radius: 999px; font-size: 15px; font-weight: 700; border: 0; cursor: pointer; transition: var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #ff6a3d); color: #fff; box-shadow: 0 12px 32px rgba(255, 61, 46, 0.36); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(255, 61, 46, 0.44); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.32); backdrop-filter: blur(4px); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); transform: translateY(-3px); }
.btn-large { padding: 18px 48px; font-size: 17px; }

/* Hero */
.community-hero { position: relative; min-height: 620px; display: flex; align-items: center; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; color: #fff; overflow: hidden; }
.community-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10, 16, 26, 0.93) 0%, rgba(10, 16, 26, 0.8) 42%, rgba(10, 16, 26, 0.4) 100%); }
.hero-content { position: relative; z-index: 2; width: 100%; padding-top: 120px; padding-bottom: 80px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.2); font-size: 14px; font-weight: 600; backdrop-filter: blur(6px); }
.hero-badge i { color: var(--accent); }
.hero-content h1 { font-size: 58px; line-height: 1.14; font-weight: 900; margin: 24px 0 18px; letter-spacing: -0.02em; }
.hero-content h1 span { color: var(--accent); }
.hero-content p { font-size: 18px; line-height: 1.8; color: rgba(255, 255, 255, 0.82); max-width: 620px; }
.hero-actions { display: flex; gap: 14px; margin: 34px 0 50px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; border-top: 1px solid rgba(255, 255, 255, 0.16); padding-top: 30px; }
.hero-stat-item strong { display: block; font-size: 30px; font-weight: 800; line-height: 1.3; }
.hero-stat-item span { font-size: 14px; color: rgba(255, 255, 255, 0.68); }

/* Stats */
.stat-card { background: var(--white); border-radius: var(--radius-lg); padding: 34px 28px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.stat-card i { width: 60px; height: 60px; border-radius: 18px; display: inline-flex; align-items: center; justify-content: center; font-size: 22px; background: linear-gradient(135deg, rgba(255, 61, 46, 0.12), rgba(255, 182, 39, 0.12)); color: var(--primary); margin-bottom: 16px; }
.stat-card strong { display: block; font-size: 36px; font-weight: 900; color: var(--dark); letter-spacing: -0.01em; }
.stat-card span { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* Topics */
.topics-section { background: var(--white); }
.topics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.topic-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.topic-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.topic-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.topic-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.topic-card:hover .topic-media img { transform: scale(1.05); }
.topic-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(13, 21, 34, 0.35), transparent 45%); }
.topic-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.topic-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 5px 14px; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #ff6a3d); color: #fff; font-size: 12px; font-weight: 700; }
.badge.badge-accent { background: linear-gradient(135deg, var(--accent), #ff8c42); }
.topic-date { font-size: 13px; color: var(--text-muted); }
.topic-body h3 { font-size: 20px; font-weight: 800; line-height: 1.45; margin-bottom: 10px; color: var(--dark); }
.topic-body > p { font-size: 14px; color: var(--text-muted); line-height: 1.7; flex: 1; }
.topic-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); }
.topic-foot span { font-size: 13px; color: var(--text-muted); }
.topic-foot a { font-size: 14px; font-weight: 700; color: var(--primary); }
.topic-foot a:hover { color: var(--primary-dark); }

/* Leaderboard */
.leaderboard-section { background: linear-gradient(135deg, #0d1522 0%, #16233a 100%); color: #fff; overflow: hidden; position: relative; }
.leaderboard-section::before { content: ""; position: absolute; top: -120px; right: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 61, 46, 0.22), transparent 68%); }
.leaderboard-section::after { content: ""; position: absolute; bottom: -160px; left: -100px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 182, 39, 0.15), transparent 68%); }
.board-wrap { position: relative; z-index: 2; }
.leaderboard-section .section-head h2 { color: #fff; }
.leaderboard-section .section-head p { color: rgba(255, 255, 255, 0.65); }
.leaderboard-section .section-tag { background: rgba(255, 255, 255, 0.1); color: var(--accent); }
.leaderboard { max-width: 860px; margin: 0 auto; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); overflow: hidden; backdrop-filter: blur(8px); }
.leader-row { display: flex; align-items: center; gap: 18px; padding: 20px 26px; border-bottom: 1px solid rgba(255, 255, 255, 0.07); transition: var(--transition); }
.leader-row:last-child { border-bottom: 0; }
.leader-row:hover { background: rgba(255, 255, 255, 0.06); padding-left: 32px; }
.leader-row.rank-1 { background: linear-gradient(90deg, rgba(255, 182, 39, 0.14), transparent 70%); }
.rank-num { font-size: 24px; font-weight: 900; width: 44px; color: rgba(255, 255, 255, 0.5); font-style: italic; }
.leader-row.rank-1 .rank-num { color: var(--accent); }
.leader-row.rank-2 .rank-num { color: #c0c7d1; }
.leader-row.rank-3 .rank-num { color: #c98a5a; }
.leader-avatar { width: 42px; height: 42px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; font-size: 17px; background: rgba(255, 255, 255, 0.12); color: #fff; }
.leader-name { flex: 1; font-size: 16px; font-weight: 700; color: #fff; }
.leader-points { font-size: 17px; font-weight: 800; color: var(--accent); }
.leader-level { padding: 5px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); font-size: 12px; font-weight: 700; color: rgba(255, 255, 255, 0.8); }

/* Timeline */
.timeline-section { background: var(--white); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 12px; top: 4px; bottom: 4px; width: 4px; border-radius: 4px; background: linear-gradient(to bottom, var(--primary), var(--accent)); }
.timeline-item { position: relative; margin-bottom: 34px; }
.timeline-item:last-child { margin-bottom: 0; }
.tl-dot { position: absolute; left: -40px; top: 24px; width: 28px; height: 28px; border-radius: 50%; background: var(--primary); border: 6px solid #fff; box-shadow: 0 0 0 4px rgba(255, 61, 46, 0.25), 0 6px 16px rgba(13, 21, 34, 0.12); }
.tl-card { background: var(--light); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px 30px; transition: var(--transition); }
.tl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.tl-date { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--primary); background: rgba(255, 61, 46, 0.08); padding: 5px 14px; border-radius: 999px; margin-bottom: 12px; }
.tl-card h3 { font-size: 19px; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.tl-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Featured */
.featured-section { background: var(--light); }
.featured-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.feature-card { display: flex; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card img { width: 46%; object-fit: cover; min-height: 260px; }
.feature-content { padding: 30px 28px; display: flex; flex-direction: column; justify-content: center; }
.feature-content .feature-label { display: inline-flex; align-self: flex-start; padding: 5px 14px; border-radius: 999px; background: rgba(255, 182, 39, 0.14); color: #b57407; font-size: 12px; font-weight: 700; margin-bottom: 14px; }
.feature-content h3 { font-size: 20px; font-weight: 800; line-height: 1.45; color: var(--dark); margin-bottom: 10px; }
.feature-content p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
.feature-content a { font-size: 14px; font-weight: 700; color: var(--primary); }
.feature-content a:hover { color: var(--primary-dark); }

/* FAQ */
.faq-section { background: var(--white); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--light); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; transition: var(--transition); }
.faq-item[open] { box-shadow: var(--shadow-md); background: var(--white); }
.faq-item summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 17px; font-weight: 700; color: var(--dark); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 28px; line-height: 1; color: var(--primary); font-weight: 500; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 16px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

/* CTA */
.cta-section { position: relative; padding: 110px 0; text-align: center; color: #fff; overflow: hidden; background: linear-gradient(135deg, #0d1522, #1b2a3d); }
.cta-section::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.26; }
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: 40px; font-weight: 900; line-height: 1.3; margin-bottom: 16px; }
.cta-inner p { font-size: 17px; color: rgba(255, 255, 255, 0.78); margin-bottom: 34px; }
.cta-inner .btn { margin-top: 6px; }

/* Footer */
.site-footer { background: #0a101a; color: rgba(255, 255, 255, 0.7); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.5fr; gap: 44px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col a:hover { color: var(--primary); }
.footer-contact li { display: flex; gap: 10px; align-items: center; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-contact i { color: var(--accent); width: 16px; }
.footer-bottom { text-align: center; padding: 22px 0; font-size: 13px; color: rgba(255, 255, 255, 0.42); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 48px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 8px; background: rgba(9, 14, 22, 0.97); padding: 18px 24px 22px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); display: none; }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; justify-content: flex-start; padding: 13px 18px; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
  .section { padding: 76px 0; }
  .section-head h2 { font-size: 30px; }
  .hero-content h1 { font-size: 40px; }
  .hero-stats { gap: 28px; }
  .hero-stat-item strong { font-size: 24px; }
  .topics-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 30px; }
  .tl-dot { left: -30px; width: 22px; height: 22px; border-width: 5px; }
  .feature-card { flex-direction: column; }
  .feature-card img { width: 100%; min-height: 180px; }
  .faq-item { padding: 20px 22px; }
  .cta-inner h2 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .hero-content h1 { font-size: 32px; }
  .hero-content p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 20px; }
  .hero-stat-item { flex: 1 1 40%; }
  .stats-grid { grid-template-columns: 1fr; }
  .leader-row { flex-wrap: wrap; padding: 16px 18px; gap: 12px; }
  .rank-num { width: auto; }
  .leader-name { flex: 1 1 100%; order: 3; }
  .leader-points { order: 1; }
  .leader-level { order: 2; }
  .section-head h2 { font-size: 27px; }
  .cta-inner h2 { font-size: 27px; }
  .footer-grid { gap: 28px; }
}