/* roulang page: index */
:root{
  --primary:#16235a;--primary-light:#283a7c;--primary-dark:#0c1436;
  --accent:#c9a227;--accent-light:#e5c45a;--accent-grad:linear-gradient(135deg,#d4af37,#a8842a);
  --bg:#f4f5fa;--surface:#fff;--text:#1a213a;--muted:#5a6478;--border:#e3e6ef;
  --r-lg:20px;--r-md:14px;--r-sm:8px;
  --shadow-sm:0 2px 8px rgba(22,35,90,.06);--shadow:0 10px 32px rgba(22,35,90,.10);--shadow-lg:0 20px 48px rgba(22,35,90,.16);
  --tr:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(212,175,55,.5);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tag{display:inline-block;padding:6px 14px;background:rgba(201,162,39,.12);color:#8a6d15;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.05em;margin-bottom:14px}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:12px;color:var(--text)}
.section-head p{color:var(--muted);font-size:1rem}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 30px;border-radius:999px;font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:var(--tr);gap:8px}
.btn-primary{background:var(--accent);color:#1a1408;box-shadow:0 8px 24px rgba(212,175,55,.35)}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 12px 32px rgba(212,175,55,.45)}
.btn-outline{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(255,255,255,.2)}
.btn-light:hover{background:#f0f2fa;transform:translateY(-2px)}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(22,35,90,.04)}
.header-brand-row{background:var(--surface)}
.header-brand-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{font-size:1.32rem;font-weight:800;color:var(--primary);letter-spacing:-.02em;display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));flex-shrink:0;box-shadow:0 4px 12px rgba(22,35,90,.25)}
.header-tools{display:flex;align-items:center;gap:12px}
.header-search{display:flex;align-items:center;gap:8px;background:#f4f5fa;border:1px solid var(--border);border-radius:999px;padding:0 14px;height:40px;transition:var(--tr)}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,175,55,.15);background:#fff}
.header-search i{color:var(--muted);font-size:.85rem}
.header-search input{border:none;background:transparent;outline:none;font-size:.88rem;width:140px;color:var(--text)}
.btn-login{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;background:var(--primary);color:#fff;border-radius:999px;font-size:.88rem;font-weight:600;border:none;cursor:pointer;transition:var(--tr)}
.btn-login:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 6px 16px rgba(22,35,90,.25)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:transparent;align-items:center;justify-content:center;cursor:pointer;transition:var(--tr)}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}
.header-nav-row{border-top:1px solid var(--border);background:var(--surface)}
.nav-list{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{display:inline-flex;align-items:center;gap:7px;padding:8px 18px;border-radius:999px;font-size:.88rem;font-weight:500;color:var(--muted);white-space:nowrap;transition:var(--tr)}
.nav-list a:hover{color:var(--primary);background:#f0f2fa}
.nav-list a.active{color:#fff;background:var(--primary);font-weight:600;box-shadow:0 4px 14px rgba(22,35,90,.2)}
/* hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,20,54,.9) 0%,rgba(22,35,90,.75) 55%,rgba(201,162,39,.28) 100%)}
.hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.hero-content{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;font-size:.8rem;letter-spacing:.05em;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero-badge i{color:var(--accent-light)}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.15;letter-spacing:-.03em;margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#f0d98c,#d4af37);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.08rem;line-height:1.75;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px}
.metric{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:16px 24px;backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1);min-width:140px}
.metric strong{display:block;font-size:1.6rem;font-weight:900;color:#f0d98c;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.metric span{font-size:.75rem;color:rgba(255,255,255,.7);letter-spacing:.06em}
/* features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:38px 30px;box-shadow:var(--shadow-sm);transition:var(--tr)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(201,162,39,.3)}
.feature-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;border-radius:14px;background:linear-gradient(135deg,#f8f3e3,#fdfbf4);border:1px solid rgba(201,162,39,.2);margin-bottom:22px;color:var(--primary)}
.feature-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:.92rem;line-height:1.65}
/* categories */
.categories{background:var(--surface)}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.category-card{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--tr)}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-card img{width:100%;height:230px;object-fit:cover}
.category-body{padding:26px 28px;display:flex;flex-direction:column;flex:1}
.category-body h3{font-size:1.18rem;margin:12px 0 10px;font-weight:700}
.category-body p{color:var(--muted);font-size:.92rem;margin-bottom:18px;line-height:1.65;flex:1}
.category-link{font-weight:600;color:var(--primary);font-size:.9rem;display:inline-flex;align-items:center;gap:6px;transition:var(--tr)}
.category-link:hover{gap:10px;color:var(--accent)}
.badge{display:inline-block;padding:5px 14px;background:var(--primary);color:#fff;border-radius:999px;font-size:.75rem;font-weight:600;letter-spacing:.03em}
/* latest posts */
.posts-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.post-item{display:flex;align-items:center;gap:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px 24px;transition:var(--tr);position:relative}
.post-item:hover{border-color:rgba(201,162,39,.35);box-shadow:var(--shadow);transform:translateX(5px)}
.post-category{flex-shrink:0;padding:4px 14px;background:#f0f2fa;border-radius:999px;font-size:.75rem;color:var(--primary);font-weight:600}
.post-title{flex:1;font-size:.98rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-meta{flex-shrink:0;font-size:.8rem;color:var(--muted)}
.post-arrow{width:36px;height:36px;border-radius:50%;background:#f0f2fa;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:.85rem;transition:var(--tr);flex-shrink:0}
.post-item:hover .post-arrow{background:var(--primary);color:#fff;transform:rotate(-45deg)}
.empty-tip{text-align:center;padding:56px 20px;color:var(--muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-lg)}
/* process */
.process{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,var(--primary-light) 100%);position:relative;overflow:hidden}
.process::before{content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;border-radius:50%;background:rgba(212,175,55,.06)}
.process::after{content:"";position:absolute;bottom:-60px;left:-60px;width:220px;height:220px;border-radius:50%;border:2px solid rgba(212,175,55,.12)}
.process .container{position:relative;z-index:1}
.process .section-tag{background:rgba(212,175,55,.18);color:var(--accent-light)}
.process .section-head h2{color:#fff}
.process .section-head p{color:rgba(255,255,255,.7)}
.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;position:relative}
.process-steps::before{content:"";position:absolute;top:31px;left:16%;right:16%;height:2px;background:linear-gradient(90deg,transparent,rgba(212,175,55,.5),transparent)}
.step{text-align:center;position:relative}
.step-icon{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.08);border:2px solid rgba(212,175,55,.6);display:flex;align-items:center;justify-content:center;font-size:1.15rem;font-weight:800;color:var(--accent-light);margin:0 auto 22px;position:relative;z-index:2;box-shadow:0 0 0 8px rgba(255,255,255,.03);transition:var(--tr)}
.step:hover .step-icon{transform:scale(1.08);background:rgba(212,175,55,.2)}
.step h3{color:#fff;font-size:1.08rem;margin-bottom:8px;font-weight:700}
.step p{color:rgba(255,255,255,.65);font-size:.9rem;line-height:1.6;max-width:220px;margin:0 auto}
/* highlights */
.highlights{background:var(--surface)}
.highlight-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.highlight-text h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:14px 0 22px;line-height:1.25;letter-spacing:-.02em}
.highlight-text p{color:var(--muted);font-size:.95rem;margin-bottom:24px;line-height:1.7}
.highlight-text ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-bottom:30px}
.highlight-text li{display:flex;align-items:center;gap:10px;font-size:.93rem}
.highlight-text li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);background:rgba(201,162,39,.12);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.65rem;flex-shrink:0}
.highlight-image img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;height:100%;object-fit:cover;min-height:340px}
/* faq */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:var(--tr)}
.faq-item:hover{border-color:rgba(201,162,39,.3)}
.faq-item summary{padding:20px 26px;font-weight:600;font-size:.96rem;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;user-select:none;transition:var(--tr)}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8rem;color:var(--muted);transition:transform var(--tr);flex-shrink:0}
.faq-item:hover summary{color:var(--primary)}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--primary);border-bottom:1px solid var(--border)}
.faq-item p{padding:18px 26px 22px;color:var(--muted);font-size:.92rem;line-height:1.7}
/* cta */
.cta-box{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);border-radius:var(--r-lg);padding:60px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;top:-40px;right:-40px;width:200px;height:200px;border-radius:50%;background:rgba(212,175,55,.14)}
.cta-box::after{content:"";position:absolute;bottom:-60px;left:-60px;width:260px;height:260px;border-radius:50%;border:2px solid rgba(212,175,55,.12)}
.cta-box h2{font-size:1.9rem;font-weight:800;margin-bottom:14px;position:relative;z-index:1}
.cta-box p{color:rgba(255,255,255,.8);margin-bottom:30px;font-size:1.02rem;position:relative;z-index:1}
.cta-box .btn{position:relative;z-index:1}
/* footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:44px}
.footer-logo{font-size:1.25rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo .logo-mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--accent),var(--primary-light))}
.footer-brand p{font-size:.9rem;max-width:280px;color:rgba(255,255,255,.55)}
.footer-links h4,.footer-info h4{font-size:.82rem;font-weight:700;color:#fff;letter-spacing:.08em;margin-bottom:16px;text-transform:uppercase}
.footer-links a{display:block;color:rgba(255,255,255,.6);font-size:.9rem;padding:5px 0;transition:var(--tr)}
.footer-links a:hover{color:var(--accent-light);padding-left:8px}
.footer-info p{font-size:.88rem;margin-bottom:6px;color:rgba(255,255,255,.55)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:.8rem;color:rgba(255,255,255,.45)}
/* responsive */
@media(max-width:1024px){
  .features-grid{gap:16px}
  .feature-card{padding:26px 20px}
  .highlight-grid{gap:36px}
  .footer-grid{gap:32px}
}
@media(max-width:768px){
  .section{padding:64px 0}
  .header-brand-inner{height:58px}
  .header-search{display:none}
  .menu-toggle{display:flex}
  .header-nav-row{display:none;border-top:1px solid var(--border)}
  .header-nav-row.open{display:block}
  .nav-list{flex-direction:column;height:auto;padding:14px 0;gap:4px;overflow-x:visible}
  .nav-list a{width:100%;padding:11px 16px;border-radius:10px}
  .features-grid{grid-template-columns:1fr;gap:20px}
  .category-grid{grid-template-columns:1fr;gap:22px}
  .category-card img{height:200px}
  .process-steps{grid-template-columns:1fr;gap:30px}
  .process-steps::before{display:none}
  .highlight-grid{grid-template-columns:1fr}
  .highlight-text ul{grid-template-columns:1fr}
  .highlight-image img{min-height:240px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero{min-height:auto}
  .hero .container{padding-top:48px;padding-bottom:48px}
  .hero-metrics{flex-direction:column;align-items:stretch}
  .metric{min-width:0}
  .cta-box{padding:40px 24px}
  .cta-box h2{font-size:1.4rem}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:1.9rem}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .post-item{flex-wrap:wrap;gap:10px}
  .post-title{flex-basis:100%;white-space:normal}
  .post-meta{width:100%}
  .btn-login{padding:8px 16px;font-size:.82rem}
  .logo{font-size:1.1rem}
  .section-head{margin-bottom:36px}
}

/* roulang page: category1 */
:root {
  --primary: #1a4f8b;
  --primary-dark: #123a66;
  --primary-light: #e8f0fa;
  --accent: #d4a642;
  --accent-dark: #b8892e;
  --accent-light: #fdf6e3;
  --dark-bg: #0f2639;
  --dark-panel: #152f45;
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #1e2a3a;
  --text-weak: #5a6b7c;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(15, 38, 57, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 38, 57, 0.12);
  --transition: all 0.3s ease;
  --space-section: clamp(60px, 8vw, 110px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ========== 顶部品牌行 ========== */
.site-header {
  background: var(--dark-bg);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-top-row {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 14px 0;
}
.header-top {
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(212,166,66,0.3);
}
.logo-mark::before { content: "\f0c6"; font-family: "Font Awesome 6 Free"; font-weight: 900; }
.brand a {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #fff;
  white-space: nowrap;
}
.brand a:hover { color: var(--accent); }
.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.12);
  width: 240px;
}
.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 0.9rem;
  width: 100%;
}
.header-search i { color: rgba(255,255,255,0.6); margin-right: 8px; }
.header-search input::placeholder { color: rgba(255,255,255,0.5); }
.header-btn {
  background: var(--accent);
  color: var(--dark-bg);
  padding: 8px 22px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: var(--transition);
}
.header-btn:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 频道导航行 ========== */
.header-nav-row {
  background: rgba(15,38,57,0.96);
  backdrop-filter: blur(8px);
}
.nav-list {
  display: flex;
  gap: 4px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-list::-webkit-scrollbar { display: none; }
.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  transition: var(--transition);
}
.nav-list a i { font-size: 0.85rem; color: var(--accent); }
.nav-list a:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.nav-list a.active {
  background: var(--accent);
  color: var(--dark-bg);
  font-weight: 700;
}
.nav-list a.active i { color: var(--dark-bg); }

/* ========== 页面横幅 ========== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-panel) 100%);
  padding: clamp(60px, 8vw, 95px) 0;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.page-hero::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,166,66,0.18) 0%, transparent 70%);
  top: -120px;
  right: -100px;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb i { font-size: 0.7rem; color: var(--accent); }
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 760px;
}
.page-hero h1 span { color: var(--accent); }
.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 28px;
}
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(4px);
}
.hero-badge i { color: var(--accent); }

/* ========== 快捷步骤条 ========== */
.quick-steps {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-section);
  position: relative;
  z-index: 3;
}
.quick-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.quick-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}
.quick-step:last-child { border-right: none; }
.quick-step:hover { background: var(--primary-light); }
.quick-step-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.quick-step:hover .quick-step-num {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.quick-step-text h4 { font-size: 0.98rem; font-weight: 700; margin-bottom: 2px; }
.quick-step-text p { font-size: 0.78rem; color: var(--text-weak); }

/* ========== 登录方式板块 ========== */
.section { padding: var(--space-section) 0; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.section-tag i { font-size: 0.7rem; }
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--dark-bg);
}
.section-head h2 span { color: var(--primary); }
.section-head p { color: var(--text-weak); font-size: 1rem; }

.login-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.method-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.method-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 22px;
}
.method-card:nth-child(1) .method-icon { background: var(--primary-light); color: var(--primary); }
.method-card:nth-child(2) .method-icon { background: var(--accent-light); color: var(--accent-dark); }
.method-card:nth-child(3) .method-icon { background: #e3f7f0; color: #0d8a6e; }
.method-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.method-card p { font-size: 0.9rem; color: var(--text-weak); flex: 1; }
.method-card ul { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
.method-card ul li {
  font-size: 0.85rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.method-card ul li i { color: var(--primary); font-size: 0.8rem; }

/* ========== 图文详情区 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin: 80px 0;
}
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }
.feature-visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.feature-visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: var(--transition); }
.feature-visual:hover img { transform: scale(1.03); }
.feature-visual-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(15,38,57,0.85);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature-visual-badge i { color: var(--accent); }
.feature-content .section-tag { margin-bottom: 12px; }
.feature-content h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark-bg);
  line-height: 1.4;
}
.feature-content p { color: var(--text-weak); margin-bottom: 16px; font-size: 0.95rem; }
.feature-list { margin-top: 20px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
}
.feature-list li i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* ========== 深色数据区 ========== */
.stats-section {
  background: var(--dark-bg);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}
.stat-label { color: rgba(255,255,255,0.8); font-size: 0.92rem; }

/* ========== 登录流程时间线 ========== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--primary) 100%);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding: 0 0 40px 24px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--accent);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--accent);
}
.timeline-item.done .timeline-dot {
  background: var(--accent);
  color: var(--dark-bg);
  border-color: var(--accent);
  font-weight: 800;
}
.timeline-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 28px;
  border: 1px solid var(--border);
  box-shadow: none;
  transition: var(--transition);
}
.timeline-content:hover { box-shadow: var(--shadow); border-color: transparent; }
.timeline-content h4 { font-weight: 700; font-size: 1rem; margin-bottom: 8px; color: var(--dark-bg); }
.timeline-content p { font-size: 0.9rem; color: var(--text-weak); }
.timeline-content .tip {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--accent-dark);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.timeline-content .tip i { margin-top: 3px; font-size: 0.8rem; }

/* ========== 安全提示卡 ========== */
.security-section {
  background: var(--primary-light);
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.security-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px;
  border-left: 4px solid var(--accent);
  transition: var(--transition);
}
.security-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.security-card i {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.security-card h4 { font-weight: 700; margin-bottom: 10px; font-size: 1rem; }
.security-card p { font-size: 0.88rem; color: var(--text-weak); }

/* ========== FAQ ========== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--white);
  border-radius: 14px;
  padding: 0;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-icon {
  background: var(--accent);
  color: var(--dark-bg);
  transform: rotate(45deg);
}
.faq-item .faq-question .fa-label {
  margin-left: auto;
  color: var(--text-weak);
  font-size: 0.75rem;
  font-weight: normal;
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
  color: var(--text-weak);
  font-size: 0.92rem;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 24px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(120deg, var(--primary) 0%, var(--dark-bg) 100%);
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cta-inner {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  padding: 50px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner h2 span { color: var(--accent); }
.cta-inner p { color: rgba(255,255,255,0.85); margin-bottom: 32px; font-size: 1rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--dark-bg);
  box-shadow: 0 6px 20px rgba(212,166,66,0.3);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212,166,66,0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 340px; }
.footer-links h4,
.footer-info h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-links h4::after,
.footer-info h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.footer-links { display: flex; flex-direction: column; }
.footer-links a {
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 8px; }
.footer-info p {
  margin-bottom: 12px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-info p i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom p { margin: 0; }

/* ========== 移动端菜单按钮 ========== */
.nav-toggle { display: none; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .quick-steps-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-step { border-bottom: 1px solid var(--border); }
  .quick-step:nth-child(2) { border-right: none; }
  .quick-step:nth-child(3) { border-bottom: none; }
  .quick-step:nth-child(4) { border-bottom: none; }
  .login-methods, .security-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .feature-block, .feature-block.reverse { grid-template-columns: 1fr; gap: 32px; }
  .feature-block.reverse { direction: ltr; }
  .header-search { width: 180px; }
}

@media (max-width: 768px) {
  .header-top { flex-wrap: wrap; }
  .header-tools { width: 100%; justify-content: space-between; }
  .brand a { font-size: 1.1rem; }
  .header-btn { padding: 8px 18px; font-size: 0.82rem; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1rem;
  }
  .nav-list {
    flex-direction: column;
    gap: 2px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0;
  }
  .nav-list.open { max-height: 500px; padding: 12px 0; }
  .nav-list a {
    width: 100%;
    justify-content: flex-start;
    padding: 12px 16px;
  }
  .quick-steps-grid { grid-template-columns: 1fr; }
  .quick-step { border-right: none; border-bottom: 1px solid var(--border); }
  .quick-step:last-child { border-bottom: none; }
  .login-methods, .security-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .cta-inner { padding: 34px 20px; }
  .timeline { padding-left: 0; }
  .timeline::before { left: 13px; }
  .timeline-item { padding-left: 20px; }
  .timeline-dot { left: -36px; width: 28px; height: 28px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero-badges { flex-direction: column; align-items: flex-start; }
  .brand a { font-size: 1rem; }
  .brand .logo-mark { width: 32px; height: 32px; font-size: 15px; }
  .header-search { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 2rem; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .faq-question { flex-wrap: wrap; gap: 10px; }
  .faq-question .fa-label { margin-left: 48px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links, .footer-info { width: 100%; }
}

/* roulang page: article */
:root {
    --primary: #172e4f;
    --primary-dark: #0f1f38;
    --primary-light: #2a4a75;
    --accent: #c8a052;
    --accent-dark: #a8853f;
    --accent-light: #e8d5ac;
    --bg: #f5f7fa;
    --bg-deep: #eef1f5;
    --white: #ffffff;
    --text: #1c2b3a;
    --text-light: #5c6b7d;
    --text-muted: #8a9aab;
    --border: #e3e9f0;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(23, 46, 79, 0.06);
    --shadow-hover: 0 12px 32px rgba(23, 46, 79, 0.12);
    --shadow-lg: 0 20px 40px rgba(23, 46, 79, 0.16);
    --transition: all 0.3s ease;
    --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========== Header ========== */
.site-header { background: var(--white); box-shadow: 0 2px 12px rgba(23, 46, 79, 0.08); position: sticky; top: 0; z-index: 100; }
.header-brand-row { background: var(--white); border-bottom: 1px solid var(--border); padding: 14px 0; }
.header-brand-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
.site-logo:hover { opacity: 0.9; }
.logo-mark { width: 28px; height: 28px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); border-radius: 7px; display: inline-block; box-shadow: 0 2px 8px rgba(200, 160, 82, 0.4); position: relative; }
.logo-mark::after { content: ''; position: absolute; top: 7px; left: 7px; width: 14px; height: 14px; background: rgba(255, 255, 255, 0.85); border-radius: 4px; }
.header-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 40px; padding: 6px 6px 6px 18px; width: 280px; transition: var(--transition); }
.header-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(200, 160, 82, 0.12); }
.header-search input { flex: 1; border: none; outline: none; background: transparent; font-size: 14px; color: var(--text); }
.header-search input::placeholder { color: var(--text-muted); }
.header-search button { background: var(--primary); color: #fff; border: none; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: var(--transition); }
.header-search button:hover { background: var(--primary-light); }
.nav-toggle { display: none; border: none; background: none; font-size: 22px; color: var(--primary); width: 42px; height: 42px; border-radius: 8px; align-items: center; justify-content: center; }
.nav-toggle:hover { background: var(--bg); }
.header-nav-row { background: var(--primary); }
.nav-list { list-style: none; display: flex; align-items: center; gap: 2px; }
.nav-list a { display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; color: rgba(255, 255, 255, 0.75); font-size: 15px; font-weight: 500; border-bottom: 3px solid transparent; transition: var(--transition); }
.nav-list a:hover { color: #fff; background: rgba(255, 255, 255, 0.07); }
.nav-list a.active { color: #fff; border-bottom-color: var(--accent); background: rgba(255, 255, 255, 0.06); }
.nav-list a i { font-size: 13px; opacity: 0.85; }

/* ========== 文章 Hero ========== */
.article-hero { position: relative; background-size: cover; background-position: center; padding: 90px 0; color: #fff; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 31, 56, 0.94), rgba(23, 46, 79, 0.78)); }
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13px; color: rgba(255, 255, 255, 0.65); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.4); }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; padding: 5px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 20px 0 14px; letter-spacing: 0.3px; box-shadow: 0 4px 12px rgba(200, 160, 82, 0.4); }
.article-hero h1 { font-size: 36px; font-weight: 800; line-height: 1.35; max-width: 860px; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2); }
.article-meta { display: flex; align-items: center; gap: 24px; margin-top: 22px; font-size: 14px; color: rgba(255, 255, 255, 0.8); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--accent); }

/* ========== 文章主体 ========== */
.article-body-section { padding: 60px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.article-content { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 44px 48px; }
.article-rich-text { font-size: 16px; line-height: 2; color: var(--text); }
.article-rich-text p { margin-bottom: 1.6em; }
.article-rich-text h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin: 2em 0 0.8em; }
.article-rich-text h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin: 1.8em 0 0.6em; }
.article-rich-text h4 { font-size: 17px; font-weight: 700; color: var(--primary); margin: 1.4em 0 0.5em; }
.article-rich-text ul, .article-rich-text ol { margin: 0 0 1.6em 1.8em; }
.article-rich-text li { margin-bottom: 0.5em; }
.article-rich-text ul li { list-style: disc; }
.article-rich-text ol li { list-style: decimal; }
.article-rich-text a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-rich-text a:hover { color: var(--primary); }
.article-rich-text img { border-radius: 12px; margin: 1.2em 0; box-shadow: var(--shadow); }
.article-rich-text blockquote { border-left: 4px solid var(--accent); padding: 14px 22px; background: #faf7f0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 1.6em 0; color: var(--text-light); }
.article-rich-text blockquote p:last-child { margin-bottom: 0; }
.article-rich-text code { background: var(--bg-deep); padding: 2px 8px; border-radius: 5px; font-size: 14px; }
.article-rich-text pre { background: #0f1f38; color: #d6e0ea; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 1.4em 0; font-size: 14px; line-height: 1.6; }
.article-rich-text pre code { background: transparent; padding: 0; color: inherit; }
.article-rich-text table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.article-rich-text th, .article-rich-text td { border: 1px solid var(--border); padding: 10px 16px; text-align: left; }
.article-rich-text th { background: var(--bg); color: var(--primary); font-weight: 600; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag { display: inline-flex; align-items: center; gap: 5px; background: var(--bg); color: var(--text-light); border: 1px solid var(--border); padding: 5px 14px; border-radius: 20px; font-size: 13px; transition: var(--transition); }
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-1px); }
.not-found { text-align: center; padding: 70px 30px; }
.not-found .not-found-icon { font-size: 56px; color: var(--accent); margin-bottom: 18px; opacity: 0.8; }
.not-found h2 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.not-found p { color: var(--text-light); margin-bottom: 30px; font-size: 15px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 28px; border-radius: 40px; font-weight: 600; font-size: 15px; border: none; transition: var(--transition); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(200, 160, 82, 0.3); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200, 160, 82, 0.4); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.5); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }

/* ========== 侧边栏 ========== */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 26px 26px; }
.sidebar-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--border); position: relative; }
.sidebar-card h3::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 40px; height: 3px; background: var(--accent); border-radius: 2px; }
.sidebar-links { display: flex; flex-direction: column; }
.sidebar-links a { display: flex; align-items: center; gap: 10px; padding: 12px 0; color: var(--text-light); font-size: 15px; border-bottom: 1px solid #f0f3f7; transition: var(--transition); }
.sidebar-links a:last-child { border-bottom: none; }
.sidebar-links a:hover { color: var(--accent-dark); padding-left: 6px; }
.sidebar-links a i { color: var(--accent); width: 20px; text-align: center; }
.sidebar-posts { display: flex; flex-direction: column; gap: 4px; }
.sidebar-post { display: flex; align-items: flex-start; gap: 14px; padding: 12px 6px; border-radius: 10px; transition: var(--transition); border-bottom: 1px solid #f0f3f7; }
.sidebar-post:last-child { border-bottom: none; }
.sidebar-post:hover { background: var(--bg); }
.sidebar-post-index { font-size: 20px; font-weight: 800; color: var(--accent); line-height: 1; min-width: 26px; text-align: center; opacity: 0.85; }
.sidebar-post h4 { font-size: 14px; line-height: 1.5; color: var(--text); font-weight: 600; margin-bottom: 3px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-post:hover h4 { color: var(--primary); }
.sidebar-post-date { font-size: 12px; color: var(--text-muted); }

/* ========== 相关推荐 ========== */
.related-posts { padding: 60px 0; background: var(--bg-deep); }
.section-title { font-size: 28px; font-weight: 800; color: var(--primary); text-align: center; margin-bottom: 6px; position: relative; }
.section-title::after { content: ''; display: block; width: 48px; height: 4px; background: var(--accent); border-radius: 2px; margin: 12px auto 0; }
.section-subtitle { text-align: center; color: var(--text-light); margin-top: 14px; margin-bottom: 40px; font-size: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.related-card-img { display: block; overflow: hidden; position: relative; }
.related-card-img img { width: 100%; height: 180px; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-card-img img { transform: scale(1.04); }
.related-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 31, 56, 0.25), transparent 60%); }
.related-card-body { padding: 22px 24px 24px; }
.related-card-body h4 { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.related-card-body h4 a { color: var(--text); }
.related-card-body h4 a:hover { color: var(--accent-dark); }
.related-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-muted); }
.related-card-meta span { display: inline-flex; align-items: center; gap: 5px; }

/* ========== CTA 区域 ========== */
.cta-section { position: relative; padding: 70px 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; background-attachment: fixed; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15, 31, 56, 0.9); }
.cta-content { position: relative; z-index: 2; text-align: center; color: #fff; }
.cta-content h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; letter-spacing: 0.5px; }
.cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.75); margin-bottom: 30px; max-width: 620px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ========== 页脚 ========== */
.site-footer { background: #0d1829; color: rgba(255, 255, 255, 0.65); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-logo .logo-mark { width: 24px; height: 24px; border-radius: 6px; }
.footer-logo .logo-mark::after { top: 6px; left: 6px; width: 12px; height: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-links h4, .footer-info h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer-links h4::after, .footer-info h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 3px; background: var(--accent); border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-info p { font-size: 14px; margin-bottom: 8px; line-height: 1.6; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.45); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr 320px; gap: 28px; }
    .article-content { padding: 32px 32px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .header-search { width: 220px; }
}
@media (max-width: 768px) {
    .header-brand-inner { padding: 4px 0; }
    .header-search { display: none; }
    .nav-toggle { display: inline-flex; }
    .header-nav-row { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .header-nav-row.open { max-height: 300px; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); }
    .nav-list { flex-direction: column; padding: 6px 0 12px; }
    .nav-list a { width: 100%; border-bottom: 1px solid rgba(255, 255, 255, 0.08); border-left: 3px solid transparent; border-bottom: 1px solid rgba(255, 255, 255, 0.06); padding: 14px 20px; }
    .nav-list a.active { border-left-color: var(--accent); border-bottom-color: transparent; }
    .article-hero { padding: 60px 0; }
    .article-hero h1 { font-size: 28px; }
    .article-body-section { padding: 40px 0; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { order: 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .cta-section { padding: 50px 0; }
    .cta-content h2 { font-size: 24px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .site-logo { font-size: 18px; }
    .article-hero { padding: 44px 0; }
    .article-hero h1 { font-size: 23px; }
    .article-content { padding: 24px 20px; }
    .article-meta { gap: 14px; font-size: 13px; }
    .article-rich-text { font-size: 15px; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .cta-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .section-title { font-size: 24px; }
    .related-card-img img { height: 200px; }
    .sidebar-card { padding: 20px; }
}

/* roulang page: category2 */
:root {
  --primary: #14213d;
  --primary-deep: #0d1526;
  --primary-light: #1e2e4f;
  --accent: #c9a227;
  --accent-light: #e5c465;
  --accent-dark: #a8861d;
  --bg-page: #f4f6fa;
  --bg-card: #ffffff;
  --text-main: #1e2430;
  --text-muted: #6f7a8c;
  --border-soft: #e7eaf0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(20, 33, 61, 0.07);
  --shadow-hover: 0 18px 40px rgba(20, 33, 61, 0.13);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "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-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ===== Header ===== */
.site-header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(13, 21, 38, 0.25);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-deep);
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(201, 162, 39, .4);
}

.logo-mark::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f3ed";
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 40px;
  padding: 6px 14px;
  gap: 8px;
  width: 240px;
  transition: var(--transition);
}

.header-search i {
  color: rgba(255, 255, 255, .7);
  font-size: .82rem;
}

.header-search input {
  background: transparent;
  border: none;
  color: #fff;
  font-size: .85rem;
  width: 100%;
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, .5);
}

.header-search:focus-within {
  border-color: var(--accent);
  background: rgba(255, 255, 255, .16);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .85);
  font-size: .88rem;
  white-space: nowrap;
}

.header-contact i {
  color: var(--accent-light);
}

.header-nav-row {
  border-top: 1px solid rgba(255, 255, 255, .08);
  background: rgba(13, 21, 38, .45);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-list::-webkit-scrollbar {
  display: none;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 12px 20px;
  color: rgba(255, 255, 255, .75);
  font-size: .93rem;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-list a i {
  font-size: .82rem;
  opacity: .75;
}

.nav-list a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .06);
}

.nav-list a.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
  background: rgba(201, 162, 39, .08);
}

.header-mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .15);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.header-mobile-toggle:hover {
  background: rgba(255, 255, 255, .2);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 72px 0 100px;
  background: linear-gradient(135deg, rgba(13, 21, 38, .85), rgba(20, 33, 61, .72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  right: -100px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(201, 162, 39, .18);
  filter: blur(70px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .75);
}

.breadcrumb a:hover {
  color: var(--accent-light);
}

.breadcrumb i {
  font-size: .6rem;
  opacity: .6;
}

.page-hero h1 {
  font-size: clamp(1.86rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  margin-bottom: 16px;
}

.page-hero h1 span {
  color: var(--accent-light);
}

.page-hero p {
  font-size: 1.03rem;
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
  line-height: 1.8;
}

/* ===== News Tags ===== */
.news-tags-section {
  margin-top: -48px;
  position: relative;
  z-index: 5;
}

.tags-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 26px 30px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border: 1px solid var(--border-soft);
}

.tags-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary);
  font-size: .9rem;
  margin-right: 6px;
}

.tags-label i {
  color: var(--accent);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 40px;
  background: var(--bg-page);
  border: 1px solid var(--border-soft);
  font-size: .83rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tag-chip i {
  font-size: .72rem;
  color: var(--accent);
}

.tag-chip:hover {
  border-color: var(--accent);
  color: var(--primary);
  background: rgba(201, 162, 39, .06);
}

.tag-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.tag-chip.active i {
  color: var(--accent-light);
}

/* ===== Section Common ===== */
.section-block {
  padding: 72px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-head-left {
  max-width: 620px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-block h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.section-block .section-desc {
  color: var(--text-muted);
  font-size: .95rem;
  margin-top: 10px;
  line-height: 1.8;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-size: .88rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 40px;
  padding: 9px 20px;
  box-shadow: 0 2px 8px rgba(20, 33, 61, .04);
  transition: var(--transition);
  white-space: nowrap;
}

.section-link:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(201, 162, 39, .12);
}

/* ===== News Grid ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201, 162, 39, .3);
}

.news-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.news-card:hover .news-media img {
  transform: scale(1.05);
}

.news-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(13, 21, 38, .75);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: .74rem;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, .15);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-badge i {
  color: var(--accent-light);
  font-size: .68rem;
}

.news-card-body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-meta i {
  font-size: .7rem;
  color: var(--accent);
}

.news-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 8px;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover h3 {
  color: var(--accent-dark);
}

.news-card p {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-foot {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-soft);
}

.news-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: rgba(201, 162, 39, .1);
  padding: 4px 12px;
  border-radius: 6px;
}

.read-more {
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.read-more i {
  font-size: .7rem;
  transition: transform .2s ease;
}

.news-card:hover .read-more i {
  transform: translateX(4px);
}

/* ===== Timeline / Platform Updates ===== */
.timeline-section {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.timeline-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(201, 162, 39, .1);
}

.timeline-section .section-block h2 {
  color: #fff;
}

.timeline-section .section-desc {
  color: rgba(255, 255, 255, .68);
}

.timeline {
  position: relative;
  padding-left: 40px;
  max-width: 820px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(201, 162, 39, .15));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--primary-deep);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .3);
  z-index: 2;
}

.timeline-version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 700;
  color: var(--accent-light);
  background: rgba(201, 162, 39, .12);
  border: 1px solid rgba(201, 162, 39, .2);
  padding: 4px 12px;
  border-radius: 30px;
  margin-bottom: 8px;
}

.timeline-time {
  font-size: .8rem;
  color: rgba(255, 255, 255, .55);
  margin-left: 6px;
  font-weight: 400;
}

.timeline-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: .88rem;
  color: rgba(255, 255, 255, .68);
  line-height: 1.7;
  max-width: 620px;
}

/* ===== Ranking / Hot List ===== */
.rank-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.rank-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.rank-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(135deg, rgba(27, 44, 82, .03), rgba(201, 162, 39, .05));
}

.rank-panel-head h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.rank-panel-head h3 i {
  color: var(--accent);
}

.rank-panel-head .rank-date {
  font-size: .78rem;
  color: var(--text-muted);
}

.rank-list {
  padding: 8px 0;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 26px;
  transition: var(--transition);
  border-bottom: 1px solid rgba(231, 234, 240, .6);
}

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

.rank-item:hover {
  background: rgba(201, 162, 39, .04);
}

.rank-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  font-size: .8rem;
  font-weight: 800;
  color: var(--text-muted);
  background: var(--bg-page);
  flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-num {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-deep);
}

.rank-item:nth-child(2) .rank-num {
  background: #eef0f5;
  color: var(--primary);
}

.rank-item:nth-child(3) .rank-num {
  background: #f2e8d5;
  color: var(--accent-dark);
}

.rank-info {
  flex: 1;
  min-width: 0;
}

.rank-info h4 {
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: var(--transition);
}

.rank-item:hover .rank-info h4 {
  color: var(--accent-dark);
}

.rank-info .rank-sub {
  font-size: .76rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.rank-hot {
  font-size: .74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(201, 162, 39, .1);
  color: var(--accent-dark);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.rank-hot i {
  font-size: .66rem;
}

/* ===== Data Metrics ===== */
.metrics-section {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary-light));
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.metrics-section::before {
  content: '';
  position: absolute;
  left: 10%;
  top: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(201, 162, 39, .2);
}

.metrics-section::after {
  content: '';
  position: absolute;
  right: 5%;
  bottom: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .06);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}

.metric-item {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.metric-item:hover {
  background: rgba(255, 255, 255, .08);
  transform: translateY(-4px);
}

.metric-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(201, 162, 39, .15);
  color: var(--accent-light);
  font-size: 1.3rem;
  border: 1px solid rgba(201, 162, 39, .2);
}

.metric-num {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.metric-num small {
  font-size: .9rem;
  color: var(--accent-light);
  font-weight: 600;
  margin-left: 2px;
}

.metric-label {
  font-size: .83rem;
  color: rgba(255, 255, 255, .68);
  margin-top: 6px;
}

/* ===== Category Overlook ===== */
.overlook-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.overlook-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 240px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid var(--border-soft);
}

.overlook-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.overlook-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.overlook-card:hover img {
  transform: scale(1.06);
}

.overlook-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 32px;
  background: linear-gradient(180deg, transparent 30%, rgba(13, 21, 38, .82) 100%);
}

.overlook-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 30px;
  background: rgba(201, 162, 39, .9);
  color: var(--primary-deep);
  margin-bottom: 10px;
}

.overlook-card h3 {
  font-size: 1.26rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.overlook-card p {
  font-size: .87rem;
  color: rgba(255, 255, 255, .82);
  line-height: 1.6;
  margin-bottom: 12px;
  max-width: 460px;
}

.overlook-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent-light);
}

.overlook-link i {
  transition: transform .2s ease;
  font-size: .7rem;
}

.overlook-card:hover .overlook-link i {
  transform: translateX(4px);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.faq-item {
  background: var(--bg-page);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(201, 162, 39, .4);
  background: #fff;
}

.faq-item summary {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 4px 0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform .3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-soft);
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
}

.cta-panel {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  padding: 54px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-hover);
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(201, 162, 39, .12);
}

.cta-panel::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 30%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08);
}

.cta-text {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 480px;
}

.cta-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-text h2 span {
  color: var(--accent-light);
}

.cta-text p {
  font-size: .9rem;
  color: rgba(255, 255, 255, .75);
  line-height: 1.7;
}

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 32px;
  border-radius: 40px;
  font-size: .9rem;
  font-weight: 700;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-deep);
  box-shadow: 0 4px 14px rgba(201, 162, 39, .35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(201, 162, 39, .45);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  background: rgba(255, 255, 255, .06);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .6);
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, .72);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.16rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.footer-logo .logo-mark {
  width: 30px;
  height: 30px;
  font-size: .82rem;
  border-radius: 8px;
}

.footer-brand p {
  font-size: .86rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .58);
  max-width: 320px;
}

.footer-links, .footer-info {
  padding-top: 4px;
}

.footer-links h4, .footer-info h4 {
  font-size: .92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4::after, .footer-info h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-links a {
  display: block;
  font-size: .86rem;
  color: rgba(255, 255, 255, .58);
  padding: 5px 0;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 6px;
}

.footer-info p {
  font-size: .86rem;
  color: rgba(255, 255, 255, .58);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-info p i {
  color: var(--accent);
  font-size: .72rem;
  width: 16px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255, 255, 255, .42);
}

/* ===== Scroll Top ===== */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  box-shadow: 0 8px 20px rgba(20, 33, 61, .25);
  cursor: pointer;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 90;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .rank-layout {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .header-search {
    width: 180px;
  }

  .cta-panel {
    padding: 40px;
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .header-brand-row {
    padding: 12px 0;
  }

  .header-search {
    display: none;
  }

  .header-contact {
    display: none;
  }

  .header-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-nav-row {
    overflow: hidden;
    max-height: 0;
    transition: max-height .4s ease;
    border-top: none;
  }

  .header-nav-row.open {
    max-height: 260px;
    border-top: 1px solid rgba(255, 255, 255, .08);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
  }

  .nav-list a {
    border-bottom: none;
    border-left: 3px solid transparent;
    padding: 13px 20px;
  }

  .nav-list a.active {
    border-left-color: var(--accent);
    border-bottom: none;
    background: rgba(201, 162, 39, .08);
  }

  .page-hero {
    padding: 52px 0 80px;
  }

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

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .metric-num {
    font-size: 1.5rem;
  }

  .metric-icon {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .section-block {
    padding: 52px 0;
  }

  .tags-panel {
    padding: 20px;
  }

  .cta-panel {
    padding: 32px 24px;
  }

  .cta-text h2 {
    font-size: 1.25rem;
  }

  .btn-primary, .btn-outline {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .page-hero {
    padding: 40px 0 64px;
  }

  .page-hero h1 {
    font-size: 1.6rem;
  }

  .page-hero p {
    font-size: .9rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .metric-item {
    padding: 16px 10px;
  }

  .metric-num {
    font-size: 1.25rem;
  }

  .metrics-section {
    padding: 44px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .news-card-body {
    padding: 18px;
  }

  .overlook-overlay {
    padding: 22px;
  }

  .overlook-card h3 {
    font-size: 1.05rem;
  }

  .faq-item {
    padding: 16px 18px;
  }

  .footer-bottom p {
    font-size: .74rem;
    line-height: 1.6;
    padding: 0 12px;
  }
}