/* roulang page: index */
:root{
  --bg-0:#070d1a;
  --bg-1:#0d1628;
  --bg-2:#132138;
  --bg-3:#1a2c49;
  --line:rgba(132,186,255,.14);
  --line-2:rgba(255,255,255,.28);
  --txt-1:#edf4fb;
  --txt-2:#b2c3d8;
  --txt-3:#7d95af;
  --cyan:#39c7ff;
  --cyan-2:#8ce2ff;
  --gold:#ffb43e;
  --gold-2:#ffd47a;
  --r-m:16px;
  --r-l:24px;
  --shadow-m:0 18px 40px -22px rgba(2,10,26,.85);
  --shadow-glow:0 0 46px -18px rgba(57,199,255,.55);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  --spacer:clamp(80px,9vw,128px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-base);background:var(--bg-0);color:var(--txt-1);line-height:1.75;-webkit-font-smoothing:antialiased}
.container{width:min(1180px,92vw);margin-inline:auto}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;border:none;background:none;color:inherit}
li{list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(57,199,255,.55);outline-offset:3px;border-radius:6px}

.section{padding-block:var(--spacer)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--cyan);text-transform:uppercase;margin-bottom:6px}
.section-head h2,.section-head h3{font-size:clamp(26px,3.2vw,36px);font-weight:800;letter-spacing:.5px;line-height:1.3}
.section-more{color:var(--txt-2);font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:color .2s}
.section-more:hover{color:var(--cyan-2)}
.section-center{text-align:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .22s,box-shadow .22s,background .22s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,#28b8ff,#0d63de);color:#fff;box-shadow:0 10px 28px -12px rgba(41,180,255,.65)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px -12px rgba(41,180,255,.78)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt-1);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.btn-gold{background:linear-gradient(135deg,#ffc65e,#f79a1b);color:#211400;box-shadow:0 10px 28px -12px rgba(255,182,64,.6)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 34px -12px rgba(255,182,64,.75)}

.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(57,199,255,.12);color:var(--cyan-2);border:1px solid rgba(57,199,255,.3)}
.badge-gold{background:rgba(255,180,62,.12);color:#ffc160;border-color:rgba(255,180,62,.32)}

.site-header{position:sticky;top:0;z-index:100;background:rgba(7,13,26,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#39c7ff,#1762dd);display:grid;place-items:center;font-weight:900;font-size:20px;color:#fff;box-shadow:var(--shadow-glow);flex-shrink:0}
.brand-text{font-size:18px;font-weight:800;white-space:nowrap;letter-spacing:.3px;color:var(--txt-1)}
.header-tools{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:7px 8px 7px 16px;width:250px;transition:border-color .2s}
.search-box:focus-within{border-color:rgba(57,199,255,.6)}
.search-box input{flex:1;font-size:14px;color:var(--txt-1);background:transparent;min-width:0}
.search-box input::placeholder{color:var(--txt-3)}
.search-box button{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#28b8ff,#0d63de);color:#fff;display:grid;place-items:center;cursor:pointer;font-size:13px}

.channel-nav{border-top:1px solid var(--line)}
.channel-row{display:flex;gap:6px;padding-block:10px;overflow-x:auto;scrollbar-width:none}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--txt-2);white-space:nowrap;border:1px solid transparent;transition:all .2s}
.channel-link i{font-size:13px;opacity:.85}
.channel-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.channel-link.active{background:linear-gradient(135deg,rgba(57,199,255,.16),rgba(255,180,62,.1));color:var(--cyan-2);border-color:rgba(57,199,255,.26)}

.hero{position:relative;background:linear-gradient(180deg,rgba(13,22,40,.7),rgba(7,13,26,.96)),url(/assets/images/backpic/back-1.png) center/cover no-repeat;overflow:hidden;padding:clamp(70px,9vw,130px) 0}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 80% 20%,rgba(57,199,255,.16),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:rgba(57,199,255,.1);border:1px solid rgba(57,199,255,.3);color:var(--cyan-2);font-size:14px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:900;line-height:1.2;letter-spacing:1px}
.hero h1 .accent{background:linear-gradient(90deg,#39c7ff,#ffc65e);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{margin-top:20px;font-size:17px;color:var(--txt-2);max-width:540px}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;color:var(--txt-2);font-size:14px}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--cyan)}
.hero-visual{position:relative}
.hero-card{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-m);border:1px solid var(--line);background:var(--bg-2)}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-card-overlay{padding:24px;background:linear-gradient(180deg,transparent,rgba(7,13,26,.92))}
.hero-card-overlay .card-tag{display:inline-block;margin-bottom:10px}
.hero-card-overlay h3{font-size:22px;font-weight:800}
.hero-card-overlay p{color:var(--txt-2);font-size:14px;margin-top:4px}
.hero-float-card{position:absolute;bottom:-22px;left:-24px;background:linear-gradient(135deg,#1a2c49,#12203a);border:1px solid var(--line);border-radius:18px;padding:16px 20px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow-m)}
.hero-float-card .icon{width:38px;height:38px;border-radius:12px;background:rgba(255,180,62,.15);color:var(--gold);display:grid;place-items:center}
.hero-float-card strong{display:block;font-size:14px}
.hero-float-card span{font-size:12px;color:var(--txt-3)}

.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.intro-card{background:linear-gradient(160deg,var(--bg-2),var(--bg-1));border:1px solid var(--line);border-radius:var(--r-l);padding:30px 26px;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.intro-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),transparent)}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.intro-card .icon{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,rgba(57,199,255,.18),rgba(57,199,255,.05));color:var(--cyan);display:grid;place-items:center;font-size:22px;margin-bottom:20px}
.intro-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.intro-card p{color:var(--txt-2);font-size:14px;line-height:1.7}

.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.category-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;transition:transform .25s,box-shadow .25s}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.category-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.category-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.category-card:hover .cover img{transform:scale(1.06)}
.category-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(7,13,26,.75))}
.category-card .cover .badge{position:absolute;left:16px;bottom:14px;z-index:1}
.category-card .body{padding:22px}
.category-card .body h3{font-size:18px;font-weight:800;margin-bottom:8px}
.category-card .body p{color:var(--txt-2);font-size:14px}
.category-card .link-row{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:13px;color:var(--cyan-2)}
.category-card .link-row i{transition:transform .2s}
.category-card:hover .link-row i{transform:translateX(5px)}

.list-panel{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden}
.news-row{display:flex;align-items:center;gap:18px;padding:17px 22px;border-bottom:1px solid rgba(132,186,255,.07);transition:background .2s}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:rgba(255,255,255,.03)}
.news-cat{flex-shrink:0;font-size:12px;font-weight:700;color:#58d2ff;background:rgba(57,199,255,.1);padding:4px 13px;border-radius:999px;border:1px solid rgba(57,199,255,.2)}
.news-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;color:var(--txt-1);font-weight:500}
.news-date{flex-shrink:0;font-size:13px;color:var(--txt-3)}
.empty-tip{text-align:center;padding:46px 20px;color:var(--txt-3);font-size:15px}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-l);padding:30px 24px 26px;text-align:center;transition:transform .25s}
.step-card:hover{transform:translateY(-6px)}
.step-num{width:52px;height:52px;margin:0 auto 18px;border-radius:16px;background:linear-gradient(135deg,#28b8ff,#0d63de);color:#fff;font-size:20px;font-weight:800;display:grid;place-items:center;box-shadow:var(--shadow-glow)}
.step-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--txt-2);line-height:1.7}
.step-arrow{position:absolute;top:50%;right:-16px;transform:translateY(-50%);color:var(--cyan);opacity:.5;z-index:2}
.flow-note{margin-top:40px;text-align:center;background:rgba(57,199,255,.06);border:1px solid rgba(57,199,255,.18);border-radius:var(--r-l);padding:24px;color:var(--txt-2);font-size:15px}
.flow-note strong{color:var(--cyan-2)}

.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{position:relative;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);transition:transform .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.feature-card .thumb{aspect-ratio:16/9;overflow:hidden}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.feature-card:hover .thumb img{transform:scale(1.05)}
.feature-card .info{padding:18px 20px 22px}
.feature-card .info .badge{margin-bottom:8px}
.feature-card .info h4{font-size:15px;font-weight:700;color:var(--txt-1);line-height:1.5}

.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-m);padding:22px 24px;transition:border-color .2s}
.faq-item:hover{border-color:rgba(57,199,255,.35)}
.faq-item summary{font-size:16px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--cyan);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{margin-top:16px;color:var(--txt-2);font-size:14px;line-height:1.8;border-top:1px solid rgba(132,186,255,.1);padding-top:16px}

.cta-band{background:linear-gradient(135deg,rgba(28,48,75,.9),rgba(7,13,26,.95)),url(/assets/images/backpic/back-2.png) center/cover no-repeat;border-radius:var(--r-l);border:1px solid var(--line);padding:56px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(57,199,255,.25),transparent 70%);pointer-events:none}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.35}
.cta-band p{color:var(--txt-2);margin-top:8px;font-size:15px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

.site-footer{background:#060b16;border-top:1px solid var(--line);padding:58px 0 28px;margin-top:var(--spacer)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--txt-3);font-size:14px;max-width:360px}
.footer-links h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--txt-1)}
.footer-links a{display:block;color:var(--txt-3);font-size:14px;padding:4px 0;transition:color .2s}
.footer-links a:hover{color:var(--cyan-2)}
.footer-bottom{border-top:1px solid rgba(132,186,255,.1);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--txt-3);font-size:13px}
.footer-bottom a{color:var(--txt-3);transition:color .2s}
.footer-bottom a:hover{color:var(--cyan-2)}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:600px}
  .intro-grid,.category-grid,.feature-list{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:16px}
  .step-arrow{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .header-top{padding-block:12px}
  .search-box{display:none}
  .channel-row{flex-wrap:nowrap;overflow-x:auto}
  .brand-text{font-size:16px}
  .hero{padding-block:60px}
  .intro-grid,.category-grid,.feature-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:14px}
  .cta-band{flex-direction:column;text-align:center;padding:40px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .news-row{flex-wrap:wrap;gap:8px}
  .news-title{flex:0 0 100%;white-space:normal}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root {
  --primary: #0f2a43;
  --primary-2: #143a5e;
  --primary-3: #1e4d7a;
  --accent: #e2a83b;
  --accent-2: #f4c569;
  --gold-soft: #f9edcf;
  --bg: #f4f6f9;
  --bg-deep: #0b1826;
  --card-bg: #ffffff;
  --text: #1d2a3a;
  --text-2: #3a4b5f;
  --muted: #718196;
  --border: #e4e9f0;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(15,42,67,.05);
  --shadow-md: 0 10px 28px rgba(15,42,67,.08);
  --shadow-lg: 0 20px 44px rgba(15,42,67,.13);
  --header-bg: #0b1826;
  --space: 80px;
  --space-lg: 100px;
  --space-sm: 56px;
}

/* ============ Reset / Base ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

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

/* ============ Header ============ */
.site-header {
  background: var(--header-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 14px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #c98a22);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(226,168,59,.35);
  letter-spacing: 0;
}
.brand-text {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .5px;
  white-space: nowrap;
}
.brand:hover .brand-text { color: var(--accent-2); }
.header-tools { display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 40px;
  overflow: hidden;
  transition: border-color .3s, background .3s;
}
.search-box:focus-within {
  border-color: var(--accent);
  background: rgba(255,255,255,.12);
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  padding: 10px 4px 10px 16px;
  width: 240px;
}
.search-box input::placeholder { color: rgba(255,255,255,.55); }
.search-box button {
  background: transparent;
  color: rgba(255,255,255,.7);
  padding: 10px 16px;
  font-size: 15px;
  transition: color .25s;
}
.search-box button:hover { color: var(--accent-2); }
.channel-nav {
  background: rgba(0,0,0,.22);
  border-top: 1px solid rgba(255,255,255,.06);
}
.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-row::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px 12px;
  color: rgba(255,255,255,.78);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: color .25s, border-color .25s, background .25s;
  white-space: nowrap;
}
.channel-link i { font-size: 14px; color: var(--accent); }
.channel-link:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}
.channel-link.active {
  color: #fff;
  border-color: var(--accent);
  background: rgba(226,168,59,.1);
}
.channel-link.active i { color: var(--accent-2); }

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  background: linear-gradient(105deg, rgba(8,20,32,.94) 0%, rgba(11,30,48,.82) 50%, rgba(10,26,42,.68) 100%),
              url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 84px;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 22px;
}
.breadcrumb a:hover { color: var(--accent-2); }
.breadcrumb i { font-size: 12px; color: rgba(255,255,255,.35); }
.hero-title {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 1px;
  max-width: 720px;
}
.hero-title span { color: var(--accent-2); }
.hero-sub {
  margin-top: 16px;
  max-width: 640px;
  color: rgba(255,255,255,.82);
  font-size: 17px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 42px;
  font-size: 15px;
  font-weight: 600;
  transition: transform .25s, box-shadow .25s, background .25s;
  border: 2px solid transparent;
}
.btn-light {
  background: var(--accent);
  color: #0b1826;
  box-shadow: 0 8px 20px rgba(226,168,59,.32);
}
.btn-light:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(226,168,59,.42);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ============ Section 通用 ============ */
.section {
  padding: var(--space-sm) 0;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--gold-soft);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
}
.section-desc {
  color: var(--muted);
  margin-top: 8px;
  max-width: 680px;
  font-size: 15px;
}
.section-more {
  color: var(--primary-3);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.section-more i { margin-left: 5px; transition: transform .25s; }
.section-more:hover { color: var(--accent); }
.section-more:hover i { transform: translateX(4px); }

/* ============ 入口类型卡片 ============ */
.section-entry { padding-top: var(--space); }
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.entry-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.entry-card-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.entry-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.entry-card:hover .entry-card-img img { transform: scale(1.05); }
.entry-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,24,38,.5), transparent 70%);
}
.entry-card-body {
  padding: 24px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.entry-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-3));
  color: var(--accent-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
  box-shadow: 0 6px 14px rgba(15,42,67,.2);
}
.entry-card h3 {
  font-size: 19px;
  color: var(--primary);
  margin-bottom: 8px;
  font-weight: 700;
}
.entry-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
}
.entry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary-3);
  background: rgba(20,58,94,.07);
  padding: 5px 12px;
  border-radius: 40px;
  margin-top: 18px;
  font-weight: 500;
  align-self: flex-start;
}
.entry-tag i { color: var(--accent); font-size: 12px; }

/* ============ 指南内容列表 ============ */
.section-guides { padding-top: var(--space); }
.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guide-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.guide-card-img {
  height: 150px;
  overflow: hidden;
  position: relative;
}
.guide-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.guide-card:hover .guide-card-img img { transform: scale(1.06); }
.guide-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(11,24,38,.85);
  backdrop-filter: blur(6px);
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 30px;
  letter-spacing: .5px;
}
.guide-card-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.guide-card h3 a:hover { color: var(--accent); }
.guide-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.guide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.guide-date {
  font-size: 13px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.guide-date i { color: var(--accent); }
.guide-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-3);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.guide-link:hover { color: var(--accent); }

/* ============ 统计/安全区块 ============ */
.section-stats {
  position: relative;
  background: linear-gradient(120deg, rgba(10,25,42,.97), rgba(15,42,67,.94)),
              url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: var(--space-sm) 0;
  color: #fff;
  margin: var(--space) 0 0;
}
.stats-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}
.stats-header .section-eyebrow {
  background: rgba(226,168,59,.15);
  color: var(--accent-2);
}
.stats-header .section-title { color: #fff; }
.stats-header .section-desc { color: rgba(255,255,255,.7); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.stat-card {
  text-align: center;
  padding: 30px 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: background .3s, transform .3s, border-color .3s;
}
.stat-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(226,168,59,.45);
  transform: translateY(-4px);
}
.stat-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #c98a22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #0b1826;
  box-shadow: 0 10px 22px rgba(226,168,59,.3);
}
.stat-num {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--accent-2);
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-top: 6px;
}

/* ============ 流程 ============ */
.section-steps { margin-top: var(--space-sm); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-size: 42px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}
.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: rgba(20,58,94,.08);
  color: var(--primary-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  margin-left: 12px;
  vertical-align: 8px;
}
.step-card h3 {
  font-size: 17px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============ FAQ ============ */
.section-faq { margin-top: var(--space-sm); }
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, border-color .3s;
}
.faq-item.active {
  border-color: rgba(226,168,59,.4);
  box-shadow: var(--shadow-md);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: background .25s;
}
.faq-question:hover { background: rgba(20,58,94,.03); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(20,58,94,.08);
  color: var(--primary-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: transform .35s, background .25s, color .25s;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid transparent;
}
.faq-item.active .faq-answer {
  max-height: 280px;
  padding: 4px 24px 20px;
  border-top-color: var(--border);
}

/* ============ CTA ============ */
.section-cta { margin: var(--space-sm) 0 80px; }
.cta-box {
  position: relative;
  background: linear-gradient(100deg, rgba(10,25,42,.96), rgba(16,44,72,.88)),
              url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius: 24px;
  padding: 60px 52px;
  color: #fff;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226,168,59,.25), transparent 70%);
  top: -120px;
  right: -60px;
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-box p {
  color: rgba(255,255,255,.78);
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 16px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 36px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
  max-width: 360px;
}
.footer-links h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  padding: 5px 0;
  transition: color .25s, padding-left .25s;
}
.footer-links a:hover {
  color: var(--accent-2);
  padding-left: 5px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  :root { --space: 64px; --space-lg: 80px; --space-sm: 48px; }
  .entry-grid, .guides-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .search-box input { width: 180px; }
  .hero-title { font-size: 34px; }
}

@media (max-width: 768px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 12px;
  }
  .header-tools { width: 100%; }
  .search-box { width: 100%; }
  .search-box input { flex: 1; width: auto; }
  .channel-row { justify-content: flex-start; }
  .page-hero { padding: 56px 0 52px; }
  .hero-title { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .cta-box { padding: 44px 24px; }
  .cta-box h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .section-title { font-size: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .entry-grid, .guides-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .brand-text { font-size: 17px; }
  .section { padding: 40px 0; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.active .faq-answer { padding: 4px 18px 18px; }
}

/* roulang page: article */
:root {
  --brand-primary: #3b82f6;
  --brand-secondary: #8b5cf6;
  --brand-accent: #ec4899;
  --deep-bg: #0b1023;
  --deep-bg-light: #141b33;
  --body-bg: #f4f6fb;
  --card-bg: #ffffff;
  --text-main: #1f2733;
  --text-muted: #6b7a8f;
  --text-light: #9aa7bd;
  --border-light: #e6eaf2;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(16, 24, 40, 0.08);
  --shadow-hover: 0 18px 40px rgba(16, 24, 40, 0.14);
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 顶部导航 */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-main);
  white-space: nowrap;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.28);
}
.brand-text { letter-spacing: 0.2px; }
.header-tools { display: flex; align-items: center; gap: 14px; }
.search-box {
  display: flex;
  align-items: center;
  background: var(--body-bg);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  padding: 4px 6px 4px 18px;
  transition: var(--transition);
  width: 300px;
}
.search-box:focus-within {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
  background: #fff;
}
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  padding: 8px 8px 8px 0;
  font-size: 14px;
  color: var(--text-main);
  width: 100%;
  min-width: 0;
}
.search-box input::placeholder { color: var(--text-light); }
.search-box button {
  border: none;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}
.search-box button:hover { transform: scale(1.06); }
.channel-nav {
  background: var(--deep-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding: 0 24px;
  scrollbar-width: none;
}
.channel-row::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.channel-link i { font-size: 14px; opacity: 0.8; }
.channel-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.channel-link.active {
  color: #fff;
  border-bottom-color: var(--brand-primary);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.14), transparent);
}

/* 页脚 */
.site-footer {
  background: var(--deep-bg);
  color: rgba(255, 255, 255, 0.72);
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 50px;
  padding: 60px 0 40px;
}
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 400px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links h4 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 8px;
  font-weight: 600;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  flex-wrap: wrap;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(59, 130, 246, 0.36);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.32);
  color: #fff;
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* 文章 Hero */
.article-hero {
  background:
    linear-gradient(135deg, rgba(11, 16, 35, 0.92), rgba(30, 41, 72, 0.84)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding: 80px 0 70px;
  color: #fff;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  font-size: 14px;
  gap: 12px;
  color: rgba(255, 255, 255, 0.6);
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.breadcrumb-nav a { color: rgba(255, 255, 255, 0.6); }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .sep { opacity: 0.4; }
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.18);
  border: 1px solid rgba(59, 130, 246, 0.5);
  color: #93c5fd;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
}
.article-hero h1 {
  font-size: 40px;
  line-height: 1.3;
  margin: 0 0 16px;
  max-width: 820px;
  font-weight: 800;
  letter-spacing: 0.4px;
}
.article-excerpt {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 780px;
  margin: 0 0 26px;
  line-height: 1.8;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { font-size: 14px; opacity: 0.7; }

/* 正文与侧栏 */
.article-main-section { padding: 60px 0 0; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: start;
}
.article-content-col { min-width: 0; }
.article-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
  border: 1px solid var(--border-light);
}
.article-richtext {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-main);
  overflow-wrap: break-word;
}
.article-richtext p { margin: 0 0 20px; }
.article-richtext h2 {
  font-size: 26px;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--brand-primary);
  line-height: 1.4;
}
.article-richtext h3 { font-size: 20px; margin: 28px 0 12px; color: #111827; }
.article-richtext ul {
  margin: 0 0 20px;
  padding-left: 22px;
}
.article-richtext ul li { margin-bottom: 8px; }
.article-richtext blockquote {
  margin: 24px 0;
  padding: 16px 22px;
  background: #f8faff;
  border-left: 4px solid var(--brand-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
}
.article-richtext img { border-radius: var(--radius-md); margin: 24px 0; }
.article-empty {
  text-align: center;
  padding: 60px 20px;
  background: #f8faff;
  border-radius: var(--radius-md);
  border: 1px dashed #c7d4f0;
}
.article-empty i {
  font-size: 48px;
  color: var(--brand-primary);
  opacity: 0.5;
  margin-bottom: 18px;
}
.article-empty h2 { font-size: 26px; margin: 0 0 12px; }
.article-empty p { color: var(--text-muted); margin: 0 0 26px; }

/* 侧栏卡片 */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.side-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  padding: 26px 24px;
}
.side-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}
.side-card h3 i { color: var(--brand-primary); }
.side-cat-info {
  display: flex;
  align-items: center;
  gap: 14px;
}
.side-cat-info .cat-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(139, 92, 246, 0.14));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 18px;
  flex-shrink: 0;
}
.side-cat-info .cat-name { font-weight: 700; font-size: 16px; }
.side-cat-info .cat-desc { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.quick-tips { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.quick-tips li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.quick-tips li i {
  color: var(--brand-primary);
  font-size: 16px;
  margin-top: 4px;
  flex-shrink: 0;
}
.side-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.side-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
}
.side-list li a:hover {
  background: #f0f4ff;
  color: var(--brand-primary);
  transform: translateX(3px);
}
.side-list li a i {
  color: var(--brand-secondary);
  font-size: 12px;
  opacity: 0.6;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 50px;
  background: #f0f4ff;
  color: #3b5b8a;
  border: 1px solid transparent;
  transition: var(--transition);
}
.tag-cloud a:hover {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.25);
}

/* 关键信息条 */
.info-strip-section { padding: 60px 0 0; }
.info-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.info-item {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.info-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.info-item .info-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  color: #fff;
}
.info-item .info-icon.i-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.info-item .info-icon.i-violet { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.info-item .info-icon.i-pink { background: linear-gradient(135deg, #ec4899, #db2777); }
.info-item h4 { font-size: 17px; margin: 0 0 6px; font-weight: 700; }
.info-item p { margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* 相关推荐 */
.related-section { padding: 60px 0 0; }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.section-header h2 { font-size: 28px; margin: 0; font-weight: 800; position: relative; padding-left: 16px; }
.section-header h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(var(--brand-primary), var(--brand-secondary));
}
.section-header .more-link { font-size: 14px; color: var(--brand-primary); font-weight: 500; }
.section-header .more-link:hover { gap: 4px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-cover { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.related-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .card-cover img { transform: scale(1.05); }
.related-card .card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11, 16, 35, 0.5));
}
.related-card .card-body { padding: 22px 24px 26px; }
.related-card .card-body h3 {
  font-size: 18px;
  margin: 0 0 10px;
  font-weight: 700;
  line-height: 1.5;
}
.related-card .card-body h3 a:hover { color: var(--brand-primary); }
.related-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-light); }
.related-card .card-meta i { font-size: 12px; }

/* FAQ */
.faq-section { padding: 60px 0 0; }
.faq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(59, 130, 246, 0.3); box-shadow: var(--shadow-hover); }
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 10px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.5;
}
.faq-item h3 i { color: var(--brand-primary); font-size: 14px; margin-top: 4px; flex-shrink: 0; }
.faq-item p { margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* CTA */
.cta-section { padding: 70px 0 0; }
.cta-box {
  background:
    linear-gradient(120deg, rgba(59, 130, 246, 0.95), rgba(139, 92, 246, 0.92)),
    url("/assets/images/backpic/back-2.png") center/cover;
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
  box-shadow: 0 20px 50px rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-box::after {
  content: "";
  position: absolute;
  right: 40px;
  bottom: -60px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-box .cta-text { position: relative; z-index: 1; }
.cta-box h2 { font-size: 30px; margin: 0 0 12px; font-weight: 800; }
.cta-box p { margin: 0; font-size: 16px; opacity: 0.88; max-width: 560px; }
.cta-box .cta-btns { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* 响应式 */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; }
  .article-hero h1 { font-size: 34px; }
  .footer-grid { gap: 30px; }
}
@media (max-width: 768px) {
  .header-top { min-height: 62px; }
  .search-box { width: 210px; }
  .article-hero { padding: 50px 0 44px; }
  .article-hero h1 { font-size: 28px; }
  .article-excerpt { font-size: 16px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-card { padding: 28px 22px; border-radius: var(--radius-md); }
  .info-strip { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .faq-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; padding: 44px 0 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-box { padding: 40px 28px; }
  .cta-box h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-tools .search-box { display: none; }
  .brand { font-size: 17px; }
  .brand-mark { width: 34px; height: 34px; font-size: 15px; border-radius: 10px; }
  .article-hero h1 { font-size: 24px; }
  .breadcrumb-nav { font-size: 13px; gap: 8px; }
  .article-meta { gap: 14px; font-size: 13px; }
  .article-meta span { gap: 5px; }
  .section-header h2 { font-size: 23px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .cta-btns .btn { width: 100%; }
}
@media (max-width: 420px) {
  .brand-text { display: none; }
  .header-top { justify-content: space-between; }
  .article-card { padding: 22px 16px; }
  .side-card { padding: 22px 18px; }
}

/* roulang page: category2 */
:root {
            --primary: #1e40af;
            --primary-dark: #122a75;
            --primary-light: #3b5bbf;
            --accent: #d4a853;
            --accent-light: #e8c87a;
            --dark-bg: #0d1730;
            --dark-bg-2: #14203e;
            --light-bg: #f3f6fb;
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-on-dark: #e9edf5;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(18, 42, 117, 0.08);
            --shadow-lg: 0 16px 48px rgba(18, 42, 117, 0.14);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--light-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: 100%;
            border: none;
            background: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(18, 42, 117, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 14px rgba(30, 64, 175, 0.3);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--light-bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 4px 6px 4px 18px;
            width: 360px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
            background: #fff;
        }
        .search-box input {
            flex: 1;
            font-size: 14px;
            color: var(--text-main);
            padding: 8px 0;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* 频道导航 */
        .channel-nav {
            background: var(--dark-bg);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            padding-top: 0;
            padding-bottom: 0;
            min-height: 52px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0 22px;
            height: 52px;
            color: rgba(233, 237, 245, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-left: 1px solid rgba(255, 255, 255, 0.06);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .channel-link:first-child {
            border-left: none;
        }
        .channel-link:last-child {
            border-right: none;
        }
        .channel-link i {
            font-size: 14px;
            opacity: 0.85;
        }
        .channel-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .channel-link.active {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.07);
        }
        .channel-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(105deg, rgba(10, 20, 40, 0.94) 0%, rgba(14, 28, 58, 0.88) 48%, rgba(19, 36, 72, 0.72) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 88px 0 110px;
            color: #fff;
            position: relative;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 36px;
        }
        .breadcrumb a {
            color: rgba(233, 237, 245, 0.75);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: rgba(255, 255, 255, 0.35);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.16);
            border: 1px solid rgba(212, 168, 83, 0.45);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 22px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(233, 237, 245, 0.85);
            max-width: 760px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--accent);
            color: #0d1730;
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 168, 83, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ===== 通用 section ===== */
        .section-padding {
            padding: 84px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-tag::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark-bg);
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
        }

        /* ===== 快速服务卡片 ===== */
        .quick-services {
            margin-top: -50px;
            position: relative;
            z-index: 2;
            padding-bottom: 30px;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 26px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.6);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .service-card .card-link i {
            transition: transform 0.3s ease;
        }
        .service-card .card-link:hover {
            color: var(--primary-dark);
        }
        .service-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 步骤区 ===== */
        .steps-section {
            background: var(--dark-bg);
            padding: 84px 0;
            color: #fff;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .steps-section .section-tag {
            color: var(--accent);
        }
        .steps-section .section-title {
            color: #fff;
        }
        .steps-section .section-desc {
            color: rgba(233, 237, 245, 0.7);
            margin-bottom: 36px;
        }
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 26px;
        }
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--dark-bg-2);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            padding: 22px 24px;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: rgba(212, 168, 83, 0.4);
            transform: translateX(6px);
            background: rgba(255, 255, 255, 0.06);
        }
        .step-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            font-family: "Georgia", serif;
            min-width: 44px;
        }
        .step-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-body p {
            font-size: 14px;
            color: rgba(233, 237, 245, 0.65);
            line-height: 1.7;
        }
        .steps-media {
            position: relative;
        }
        .steps-media img {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }
        .steps-media-card {
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 18px 36px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            white-space: nowrap;
        }
        .steps-media-card strong {
            display: block;
            font-size: 28px;
            color: var(--primary);
            line-height: 1.2;
        }
        .steps-media-card span {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
            padding: 84px 0;
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 48px auto 0;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            box-shadow: 0 2px 12px rgba(18, 42, 117, 0.04);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(30, 64, 175, 0.35);
            box-shadow: 0 8px 28px rgba(18, 42, 117, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            gap: 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height 0.35s ease, opacity 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            opacity: 1;
        }
        .faq-answer p {
            padding: 0 26px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin-top: 0;
            padding-top: 18px;
        }

        /* ===== 安全提示 ===== */
        .security-tips {
            background: #fff;
            padding: 84px 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 44px;
        }
        .tip-card {
            background: var(--light-bg);
            border-radius: var(--radius);
            padding: 30px 26px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tip-card:hover {
            border-color: var(--border);
            background: #fff;
            box-shadow: var(--shadow);
            transform: translateY(-6px);
        }
        .tip-card i {
            font-size: 30px;
            color: var(--primary);
            margin-bottom: 16px;
            display: block;
        }
        .tip-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .tip-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .contact-cta {
            background: linear-gradient(100deg, rgba(10, 20, 40, 0.95) 0%, rgba(16, 32, 64, 0.88) 60%, rgba(20, 40, 80, 0.78) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 76px 0;
            color: #fff;
            text-align: center;
        }
        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(233, 237, 245, 0.8);
            margin-bottom: 34px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-info {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
            color: rgba(233, 237, 245, 0.75);
            font-size: 14px;
        }
        .cta-info span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-info i {
            color: var(--accent);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(233, 237, 245, 0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 380px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links a {
            display: block;
            color: rgba(233, 237, 245, 0.6);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(233, 237, 245, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .steps-media {
                max-width: 600px;
                margin: 0 auto;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                height: auto;
                padding: 14px 0;
                flex-direction: column;
                gap: 12px;
            }
            .search-box {
                width: 100%;
            }
            .channel-row {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .channel-row::-webkit-scrollbar {
                display: none;
            }
            .channel-link {
                padding: 0 16px;
                height: 46px;
                font-size: 14px;
            }
            .category-hero {
                padding: 60px 0 90px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }
            .steps-media-card {
                padding: 14px 24px;
            }
            .steps-media-card strong {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-info {
                gap: 18px;
                flex-direction: column;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
            }
        }

/* roulang page: category3 */
/* ========== Design Variables ========== */
:root {
  --primary: #d4001c;
  --primary-hover: #ff2e42;
  --primary-dark: #a30015;
  --primary-glow: rgba(212, 0, 28, 0.18);
  --gold: #c9a55c;
  --bg-dark: #0a0a14;
  --bg-deep: #07070f;
  --bg-card: #141425;
  --bg-card-hover: #1b1b32;
  --bg-section: #0f0f1d;
  --text-main: #f0f0f5;
  --text-muted: #9a9ab0;
  --text-faint: #5c5c78;
  --border: rgba(255, 255, 255, 0.07);
  --border-light: rgba(255, 255, 255, 0.14);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 16px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-red: 0 8px 32px rgba(212, 0, 28, 0.2);
  --transition: all 0.3s ease;
  --container-w: 1200px;
  --header-h: 68px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-dark);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border: 0;
}

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

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

input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

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

section {
  position: relative;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(7, 7, 15, 0.98) 0%, rgba(10, 10, 20, 0.96) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, #ff4d5a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4px 6px 4px 16px;
  transition: var(--transition);
  min-width: 240px;
}

.search-box:focus-within {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-box input {
  flex: 1;
  color: var(--text-main);
  font-size: 14px;
  padding: 6px 0;
  background: transparent;
}

.search-box input::placeholder {
  color: var(--text-faint);
}

.search-box input::-webkit-search-cancel-button {
  display: none;
}

.search-box button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

/* Channel Nav */
.channel-nav {
  border-top: 1px solid var(--border);
  background: rgba(7, 7, 15, 0.5);
}

.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.channel-row::-webkit-scrollbar {
  display: none;
}

.channel-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
}

.channel-link i {
  font-size: 13px;
  opacity: 0.85;
}

.channel-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.channel-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, #e6001f 100%);
  box-shadow: 0 4px 20px var(--primary-glow);
  font-weight: 600;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 80px 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 7, 15, 0.92) 0%, rgba(7, 7, 15, 0.7) 50%, rgba(7, 7, 15, 0.4) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 40%, rgba(212, 0, 28, 0.15) 0%, transparent 65%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 32px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-badge i {
  font-size: 12px;
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  max-width: 640px;
}

.hero-title span {
  background: linear-gradient(135deg, #ff5e6c 0%, #ff8a91 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #e6001f 100%);
  color: #fff;
  box-shadow: 0 6px 24px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(212, 0, 28, 0.3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.24);
  transform: translateY(-2px);
}

/* ========== Section Generic ========== */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--bg-section);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-tag::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  letter-spacing: 0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 560px;
  margin-top: 8px;
  line-height: 1.6;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  flex-shrink: 0;
}

.section-link:hover {
  color: #fff;
  border-color: var(--primary);
  background: rgba(212, 0, 28, 0.1);
}

/* ========== Category Cards ========== */
.cat-section {
  padding: 90px 0;
}

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

.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.cat-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.cat-card:hover::before {
  opacity: 1;
}

.cat-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(212, 0, 28, 0.2) 0%, rgba(212, 0, 28, 0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin: 0 auto 20px;
  transition: var(--transition);
}

.cat-card:hover .cat-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.cat-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.cat-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.cat-card a {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.cat-card a:hover {
  color: var(--primary-hover);
  gap: 10px;
}

/* ========== Ranking ========== */
.rank-section {
  background: var(--bg-deep);
  padding: 90px 0;
}

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rank-item {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  gap: 20px;
  transition: var(--transition);
}

.rank-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}

.rank-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-number {
  background: linear-gradient(135deg, #ffb800 0%, #ff9500 100%);
  color: #1a1200;
  box-shadow: 0 4px 16px rgba(255, 184, 0, 0.3);
}

.rank-item:nth-child(2) .rank-number {
  background: linear-gradient(135deg, #c0c0c8 0%, #909098 100%);
  color: #1a1a20;
}

.rank-item:nth-child(3) .rank-number {
  background: linear-gradient(135deg, #d4936a 0%, #b07050 100%);
  color: #1a1008;
}

.rank-img {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

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

.rank-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.rank-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.rank-score {
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
}

.rank-status {
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(76, 175, 80, 0.15);
  color: #66bb6a;
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.rank-status.pending {
  background: rgba(255, 152, 0, 0.12);
  color: #ffa726;
  border-color: rgba(255, 152, 0, 0.2);
}

.rank-status.upcoming {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border-color: var(--border);
}

/* ========== Steps ========== */
.steps-section {
  padding: 90px 0;
}

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

.step-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  text-align: center;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

.step-num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #e6001f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 6px 20px var(--primary-glow);
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gold);
  margin: 8px auto 18px;
  border: 1px solid var(--border);
}

.step-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== Featured ========== */
.featured-section {
  background: var(--bg-section);
  padding: 90px 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

.featured-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.featured-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-card:hover .featured-img-wrap img {
  transform: scale(1.05);
}

.featured-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7, 7, 15, 0.8) 100%);
}

.featured-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(212, 0, 28, 0.9);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

.featured-meta {
  position: absolute;
  bottom: 14px;
  left: 16px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.85);
  font-size: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.featured-meta i {
  font-size: 11px;
}

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

.featured-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}

.featured-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.featured-btn {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.featured-btn:hover {
  color: var(--primary-hover);
  gap: 12px;
}

/* ========== Notice ========== */
.notice-section {
  padding: 90px 0;
}

.notice-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.notice-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  position: relative;
}

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

.notice-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 0, 28, 0.15) 0%, transparent 50%);
}

.notice-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.notice-item {
  display: flex;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: var(--transition);
}

.notice-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateX(4px);
}

.notice-item i {
  color: var(--gold);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

.notice-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-deep);
  padding: 90px 0;
}

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-item.open {
  border-color: rgba(212, 0, 28, 0.3);
  box-shadow: 0 4px 20px rgba(212, 0, 28, 0.08);
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-q:hover {
  color: var(--primary-hover);
}

.faq-q i {
  font-size: 13px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-q i {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-a {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.faq-item.open .faq-a {
  display: block;
}

/* ========== CTA ========== */
.cta-section {
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 10, 20, 0.92) 0%, rgba(10, 10, 20, 0.75) 100%);
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}

.cta-title {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 32px;
  line-height: 1.6;
}

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

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 360px;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 0;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom span {
  font-size: 13px;
  color: var(--text-faint);
}

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

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

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

  .notice-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero-title {
    font-size: 36px;
  }

  .section-title {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  .header-top {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding-top: 16px;
    gap: 12px;
  }

  .brand {
    justify-content: center;
  }

  .search-box {
    min-width: 100%;
  }

  .channel-row {
    padding-top: 0;
    padding-bottom: 8px;
  }

  .hero {
    min-height: 360px;
    padding: 60px 0;
  }

  .hero-title {
    font-size: 30px;
  }

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

  .section {
    padding: 70px 0;
  }

  .cat-section,
  .rank-section,
  .steps-section,
  .featured-section,
  .notice-section,
  .faq-section,
  .cta-section {
    padding: 70px 0;
  }

  .cat-grid,
  .steps-grid,
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .rank-stats {
    gap: 8px;
    flex-direction: column;
    align-items: flex-end;
  }

  .rank-item {
    padding: 14px 16px;
    gap: 14px;
  }

  .rank-img {
    width: 48px;
    height: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    background-attachment: scroll;
    min-height: 320px;
    padding: 48px 0;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .section-title {
    font-size: 22px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .channel-link {
    padding: 8px 14px;
    font-size: 13px;
  }

  .brand-text {
    font-size: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .rank-item {
    flex-wrap: wrap;
  }

  .rank-stats {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .rank-item:hover {
    transform: none;
  }

  .notice-item {
    padding: 14px 16px;
  }

  .cta-section {
    background-attachment: scroll;
  }

  .cta-title {
    font-size: 24px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-actions .btn {
    justify-content: center;
  }
}