/* roulang page: index */
:root{
  --bg:#060b18;
  --bg-soft:#0a1226;
  --surface:#0f1a33;
  --surface-2:#142141;
  --line:rgba(140,170,230,.14);
  --line-strong:rgba(140,170,230,.30);
  --text:#e9f1ff;
  --muted:#93a6c9;
  --brand:#2fe3c4;
  --brand-deep:#0bb39a;
  --blue:#4d7dff;
  --accent:#ffb44d;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 30px rgba(3,8,20,.45);
  --shadow-hover:0 20px 46px rgba(3,8,20,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.5);background:rgba(6,11,24,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.4px}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--blue));
  display:grid;place-items:center;color:#04121a;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(47,227,196,.28);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:#04121a;background:linear-gradient(135deg,var(--brand),#59f0d6);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.4)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--blue));
  color:#04121a;box-shadow:0 10px 24px rgba(47,227,196,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,227,196,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.45);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cfe1ff;
  background:rgba(77,125,255,.12);border:1px solid rgba(140,170,230,.22);
}
.chip{
  display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;
  color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);
}
.chip-warm{color:var(--accent);background:rgba(255,180,77,.12);border-color:rgba(255,180,77,.28)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.26;transform:scale(1.04);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 18%,rgba(47,227,196,.20),transparent 58%),
    radial-gradient(circle at 82% 8%,rgba(77,125,255,.20),transparent 55%),
    linear-gradient(180deg,rgba(6,11,24,.58),var(--bg) 92%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.6px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.24);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,196,.18)}
.hero h1{font-size:clamp(28px,3.3vw,44px);line-height:1.28;letter-spacing:.6px}
.hero-sub{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.85;max-width:640px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .tag-row{margin-top:26px}

/* Hero 右侧进度卡 */
.hero-card{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,rgba(20,33,65,.96),rgba(9,16,34,.98));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--blue),var(--accent));
}
.hero-card h2{font-size:18px;margin-bottom:6px}
.hero-card .card-note{color:var(--muted);font-size:13px;margin-bottom:18px}
.progress-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:8px}
.progress-head strong{color:var(--brand);font-size:15px}
.progress-track{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.progress-track span{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--blue));
  box-shadow:0 0 18px rgba(47,227,196,.5);
}
.mini-steps{margin:20px 0 18px;display:grid;gap:11px}
.mini-steps li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#c4d4ef}
.mini-steps li i{
  width:18px;height:18px;border-radius:50%;flex:0 0 auto;margin-top:3px;
  display:grid;place-items:center;font-size:11px;font-style:normal;font-weight:700;
}
.st-done{background:rgba(47,227,196,.9);color:#04121a}
.st-now{background:rgba(255,180,77,.9);color:#241503}
.st-wait{background:rgba(140,170,230,.22);color:#b9cbe8}
.reward-box{
  border-radius:var(--radius);padding:14px 16px;
  background:linear-gradient(120deg,rgba(47,227,196,.13),rgba(77,125,255,.15));
  border:1px solid rgba(47,227,196,.24);
  font-size:13.5px;color:#d5e5ff;
}
.reward-box strong{color:var(--brand)}
.hero-card .btn{width:100%;margin-top:16px}
.hero-card .btn-row{margin-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-card .btn-row .btn{margin-top:0}

/* ============ 通用板块 ============ */
.section{padding:74px 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,var(--bg-soft),var(--bg));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:38px}
.section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.36;margin:10px 0 12px}
.section-desc{color:var(--muted);font-size:15px;line-height:1.85}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:1px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}

.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:linear-gradient(165deg,rgba(20,33,65,.82),rgba(12,20,40,.92));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:0 8px 20px rgba(3,8,20,.32);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,196,.42)}
.card h3{font-size:17px;margin:14px 0 8px;line-height:1.5}
.card p{color:var(--muted);font-size:14px;line-height:1.78}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,227,196,.18),rgba(77,125,255,.18));
  border:1px solid rgba(47,227,196,.26);color:var(--brand);
}
.card-icon svg{width:21px;height:21px}
.media-card{padding:0;overflow:hidden}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.media-card .media-body{padding:20px 22px 24px}
.media-card h3{margin:10px 0 8px}

/* 信任条 */
.trust-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:22px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(47,227,196,.10),rgba(77,125,255,.12));
  border:1px solid var(--line-strong);
}
.trust-item{display:flex;align-items:center;gap:12px;font-size:14px;color:#cfdffa}
.trust-item span.ic{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(47,227,196,.14);border:1px solid rgba(47,227,196,.26);color:var(--brand);
}
.trust-item span.ic svg{width:17px;height:17px}
.trust-item small{display:block;font-size:12px;color:var(--muted);font-weight:400}

/* 数据统计 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  text-align:center;padding:20px 14px;border-radius:var(--radius);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:border-color .2s,background .2s;
}
.stat:hover{border-color:rgba(47,227,196,.4);background:rgba(47,227,196,.06)}
.stat strong{display:block;font-size:26px;color:var(--brand);letter-spacing:.5px}
.stat span{font-size:13px;color:var(--muted)}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(20,33,65,.8),rgba(11,18,37,.92));
  border:1px solid var(--line);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.step:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.4);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;
  font-size:14px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--blue));margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13.6px}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split img{border-radius:var(--radius-lg);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.6px;color:#c9d9f5}
.check-list li b{color:var(--text);font-weight:600}
.check-list li i{
  width:22px;height:22px;border-radius:7px;flex:0 0 auto;margin-top:4px;
  display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;
  color:#04121a;background:linear-gradient(135deg,var(--brand),#63f2d8);
}

/* 截图舞台 */
.shot-track{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shot{margin:0;transition:transform .2s}
.shot:hover{transform:translateY(-4px)}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line-strong)}
.shot figcaption{margin-top:12px;font-size:13.5px;color:var(--muted)}
.shot figcaption b{display:block;color:var(--text);font-size:15px;margin-bottom:2px}

/* 评价 */
.quote-card{position:relative;padding:26px 24px 24px}
.quote-card::before{
  content:"“";position:absolute;top:6px;right:20px;font-size:56px;line-height:1;
  color:rgba(47,227,196,.20);font-family:Georgia,serif;
}
.quote-card p{color:#c9d9f5;font-size:14.5px;line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--blue));
}
.quote-user b{font-size:14px;display:block}
.quote-user small{color:var(--muted);font-size:12.5px}

/* 分类入口 */
.entry-card{position:relative;overflow:hidden;padding:28px 26px}
.entry-card .entry-badge{
  position:absolute;top:18px;right:18px;font-size:12px;color:var(--muted);
  padding:3px 10px;border-radius:999px;border:1px solid var(--line);
}
.entry-card h3{margin-top:12px;font-size:18px}
.entry-card p{margin-bottom:18px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .2s,color .2s;
}
.link-arrow:hover{gap:11px;color:#7ff5e2}

/* 时间线 */
.timeline{display:grid;gap:0;max-width:900px}
.timeline-item{position:relative;padding:0 0 26px 26px;border-left:1px solid var(--line)}
.timeline-item:last-child{border-left-color:transparent;padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-5px;top:6px;width:9px;height:9px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,196,.16);
}
.timeline-item b{display:block;font-size:15.5px;margin-bottom:4px}
.timeline-item span{font-size:12.5px;color:var(--brand);letter-spacing:.5px}
.timeline-item p{color:var(--muted);font-size:14px;margin-top:6px}

/* CMS 资讯 */
.news-layout{display:grid;grid-template-columns:1.65fr .95fr;gap:34px;align-items:start}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;padding:22px;
  background:linear-gradient(165deg,rgba(20,33,65,.82),rgba(11,19,37,.94));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:var(--shadow-hover)}
.post-card h3{font-size:16px;line-height:1.55;margin:12px 0 8px}
.post-card h3 a{transition:color .2s}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{color:var(--muted);font-size:13.6px;line-height:1.75;flex:1}
.post-foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--muted);
}
.post-foot a{color:var(--brand);font-weight:600}
.post-foot a:hover{color:#7ff5e2}
.side-panel{
  padding:24px;border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(20,33,65,.9),rgba(10,17,35,.96));
  border:1px solid var(--line-strong);
}
.side-panel h3{font-size:16px;margin-bottom:6px}
.side-panel .side-note{font-size:13px;color:var(--muted);margin-bottom:14px}
.side-list li{padding:13px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{font-size:14px;color:#cfdffa;display:block;transition:color .2s}
.side-list a:hover{color:var(--brand)}
.side-list small{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
  color:var(--muted);font-size:14px;text-align:center;background:rgba(255,255,255,.02);
}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  padding:22px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:border-color .2s,background .2s;
}
.faq-item:hover{border-color:rgba(47,227,196,.4);background:rgba(47,227,196,.05)}
.faq-item h3{font-size:16px;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3::before{
  content:"Q";flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#04121a;background:linear-gradient(135deg,var(--brand),var(--blue));
  margin-top:2px;
}
.faq-item p{color:var(--muted);font-size:14px;padding-left:32px}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;text-align:center;padding:52px 40px;
  border-radius:26px;border:1px solid var(--line-strong);
  background:
    radial-gradient(circle at 15% 20%,rgba(47,227,196,.22),transparent 60%),
    radial-gradient(circle at 85% 80%,rgba(77,125,255,.26),transparent 62%),
    linear-gradient(140deg,#0d1a35,#0a1327);
}
.cta-band h2{font-size:clamp(22px,2.5vw,30px);line-height:1.4;margin-bottom:14px}
.cta-band p{color:var(--muted);max-width:660px;margin:0 auto 26px;font-size:15px}
.cta-band .btn-row{justify-content:center;margin-top:0}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:#050a16;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:700;font-size:16px}
.footer-about{color:var(--muted);font-size:14px;line-height:1.8;max-width:400px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--text);letter-spacing:.6px}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 18px;
    background:#0a1226;border-bottom:1px solid var(--line-strong);
    box-shadow:0 18px 34px rgba(0,0,0,.5);
    display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .site-header{position:sticky}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:54px 0 62px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .shot-track{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:1fr 1fr;padding:20px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .cta-band{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-card .btn-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .btn-row{flex-direction:column;align-items:stretch}
  .steps,.grid-4,.stat-strip,.trust-strip{grid-template-columns:1fr}
  .faq-item p{padding-left:0}
  .logo-text small{display:none}
}

/* roulang page: article */
:root{
 --bg:#060b18;
 --bg-soft:#0a1226;
 --surface:#0f1a33;
 --surface-2:#142141;
 --line:rgba(140,170,230,.14);
 --line-strong:rgba(140,170,230,.30);
 --text:#e9f1ff;
 --muted:#93a6c9;
 --brand:#2fe3c4;
 --brand-deep:#0bb39a;
 --blue:#4d7dff;
 --accent:#ffb44d;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 12px 30px rgba(3,8,20,.45);
 --shadow-hover:0 20px 46px rgba(3,8,20,.62);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(6,11,24,.86);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.5);background:rgba(6,11,24,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.4px}
.logo-mark{
 width:34px;height:34px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand),var(--blue));
 display:grid;place-items:center;color:#04121a;font-size:15px;font-weight:800;
 box-shadow:0 6px 16px rgba(47,227,196,.28);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
 padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);
 transition:color .2s,background .2s;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:#04121a;background:linear-gradient(135deg,var(--brand),#59f0d6);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;
 border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
 color:var(--text);cursor:pointer;align-items:center;justify-content:center;
 transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.4)}
/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s;
 white-space:nowrap;
}
.btn-primary{
 background:linear-gradient(135deg,var(--brand),var(--blue));
 color:#04121a;box-shadow:0 10px 24px rgba(47,227,196,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,227,196,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.45);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cfe1ff;
 background:rgba(77,125,255,.12);border:1px solid rgba(140,170,230,.22);
}
.chip{
 display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;
 color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);
}
.chip-warm{color:var(--accent);background:rgba(255,180,77,.12);border-color:rgba(255,180,77,.28)}
/* ============ 通用板块 ============ */
.section{padding:70px 0;position:relative}
.section.alt{
 background:linear-gradient(180deg,var(--bg-soft),var(--bg));
 border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:34px}
.section-title{font-size:clamp(21px,2.3vw,29px);line-height:1.38;margin:10px 0 12px}
.section-desc{color:var(--muted);font-size:15px;line-height:1.85}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:1px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}
/* ============ 文章头部 ============ */
.article-hero{
 position:relative;overflow:hidden;padding:46px 0 52px;border-bottom:1px solid var(--line);
}
.article-hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;
}
.article-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:
 radial-gradient(circle at 12% 10%,rgba(47,227,196,.18),transparent 56%),
 radial-gradient(circle at 88% 4%,rgba(77,125,255,.20),transparent 52%),
 linear-gradient(180deg,rgba(6,11,24,.68),var(--bg) 94%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:rgba(147,166,201,.6)}
.article-meta-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;font-size:13px;color:var(--muted)}
.article-title{
 font-size:clamp(26px,3.2vw,42px);line-height:1.32;letter-spacing:.4px;max-width:900px;
}
.article-lead{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:760px}
.article-hero .tag-row{margin-top:22px}
/* ============ 头图 + 引文 ============ */
.figure-wrap{
 display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch;
}
.figure-card{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 border:1px solid var(--line-strong);box-shadow:var(--shadow);background:var(--surface);
}
.figure-card img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:transform .5s ease}
.figure-card:hover img{transform:scale(1.04)}
.figure-caption{
 position:absolute;left:0;right:0;bottom:0;padding:20px 22px 18px;
 background:linear-gradient(180deg,rgba(6,11,24,0),rgba(6,11,24,.92));
 font-size:13px;color:#cfe1ff;
}
.pullquote{
 position:relative;
 display:flex;flex-direction:column;justify-content:center;
 padding:30px 30px 28px;border-radius:var(--radius-lg);
 background:linear-gradient(160deg,rgba(20,33,65,.95),rgba(9,16,34,.98));
 border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.pullquote::before{
 content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
 background:linear-gradient(90deg,var(--brand),var(--blue),var(--accent));
}
.pullquote-mark{font-size:44px;line-height:1;color:rgba(47,227,196,.55);font-weight:700;margin-bottom:6px}
.pullquote p{font-size:17px;line-height:1.8;color:var(--text);font-weight:500}
.pullquote footer{margin-top:18px;font-size:13px;color:var(--muted)}
/* ============ 正文排版 ============ */
.article-shell{
 display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;
}
.article-body{
 background:rgba(15,26,51,.62);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px 34px 26px;box-shadow:var(--shadow);
}
.prose{font-size:15.5px;line-height:1.92;color:#d7e3f7}
.prose h2{
 font-size:22px;line-height:1.5;margin:34px 0 14px;color:var(--text);
 padding-left:14px;border-left:3px solid var(--brand);
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:26px 0 10px;color:var(--text)}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose li{margin-bottom:8px}
.prose img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--line)}
.prose a{color:var(--brand);border-bottom:1px dashed rgba(47,227,196,.5);transition:color .2s,border-color .2s}
.prose a:hover{color:#7ff5e2;border-bottom-color:#7ff5e2}
.prose strong{color:var(--brand);font-weight:700}
.prose blockquote{
 margin:24px 0;padding:18px 22px;border-left:3px solid var(--blue);
 background:rgba(77,125,255,.09);border-radius:0 var(--radius) var(--radius) 0;color:#cfe1ff;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;border-radius:var(--radius);overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.prose th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.prose td{color:#c7d6ee}
.prose hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.empty-state{text-align:center;padding:44px 20px 30px}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 22px;line-height:1.85}
/* ============ 侧栏 ============ */
.side-card{
 background:linear-gradient(165deg,rgba(20,33,65,.95),rgba(9,16,34,.98));
 border:1px solid var(--line-strong);border-radius:var(--radius);padding:22px;
 box-shadow:var(--shadow);margin-bottom:20px;
}
.side-card h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--blue))}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{
 display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);
 padding:9px 0;border-bottom:1px dashed rgba(140,170,230,.14);line-height:1.7;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--brand);font-weight:700;font-size:13px;flex:0 0 auto}
.side-cta{text-align:center}
.side-cta p{font-size:13.5px;color:var(--muted);margin:10px 0 16px;line-height:1.75}
.side-cta .btn{width:100%}
/* ============ 数据速览 ============ */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fact-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.fact-num{font-size:26px;font-weight:800;letter-spacing:.5px;background:linear-gradient(135deg,var(--brand),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.fact-label{font-size:13px;color:var(--muted);margin-top:6px}
.fact-card p{font-size:13px;color:#b9cae6;margin-top:12px;line-height:1.75}
/* ============ 要点卡 ============ */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.point-card{
 position:relative;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.point-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);color:var(--brand);margin-bottom:16px;
}
.point-card h3{font-size:17px;margin-bottom:10px}
.point-card p{font-size:14px;color:var(--muted);line-height:1.8}
.point-card .chip{margin-top:14px}
/* ============ 频道矩阵 ============ */
.channel-list{display:grid;gap:14px}
.channel-item{
 display:flex;align-items:center;gap:20px;justify-content:space-between;
 padding:22px 26px;border-radius:var(--radius);
 background:linear-gradient(120deg,rgba(20,33,65,.9),rgba(10,18,38,.9));
 border:1px solid var(--line);
 transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.channel-item:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.42);box-shadow:var(--shadow-hover)}
.channel-main{display:flex;align-items:center;gap:16px;min-width:0}
.channel-dot{
 width:40px;height:40px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(47,227,196,.2),rgba(77,125,255,.2));
 color:var(--brand);border:1px solid rgba(47,227,196,.24);
}
.channel-item h3{font-size:16px;margin-bottom:4px}
.channel-item p{font-size:13.5px;color:var(--muted);line-height:1.7}
.channel-go{
 font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
/* ============ 推荐卡 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rec-card{
 display:flex;flex-direction:column;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{padding:20px 20px 22px}
.rec-body h3{font-size:16px;margin:10px 0 8px;line-height:1.55}
.rec-body p{font-size:13.5px;color:var(--muted);line-height:1.78}
/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:rgba(47,227,196,.36);background:rgba(20,33,65,.92)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 30px 18px 0;position:relative;
 font-size:15.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 font-size:20px;color:var(--brand);font-weight:400;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14px;line-height:1.85;max-width:760px}
/* ============ CTA 收口 ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:44px 40px;border:1px solid var(--line-strong);
 background:linear-gradient(135deg,rgba(47,227,196,.16),rgba(77,125,255,.18) 55%,rgba(255,180,77,.12));
 box-shadow:var(--shadow);
}
.cta-band::before{
 content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(47,227,196,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);line-height:1.4;margin-bottom:12px;position:relative}
.cta-band p{color:#cddcf4;font-size:15px;line-height:1.85;max-width:640px;position:relative}
.cta-band .btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative}
/* ============ 页脚 ============ */
.site-footer{
 background:var(--bg-soft);border-top:1px solid var(--line);
 padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-about{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:430px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--text);letter-spacing:.4px}
.footer-col a{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 color:var(--muted);font-size:12.5px;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .article-shell{grid-template-columns:1fr;gap:28px}
 .figure-wrap{grid-template-columns:1fr}
 .fact-grid{grid-template-columns:repeat(2,1fr)}
 .point-grid,.rec-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
 .header-inner{position:relative}
 .nav{
  position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
  gap:4px;padding:12px 24px 18px;background:rgba(6,11,24,.98);
  border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(0,0,0,.45);
 }
 .nav.open{display:flex}
 .nav a{padding:12px 14px;font-size:15px}
 .nav-toggle{display:inline-flex}
 .header-cta{display:none}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:52px 0}
 .article-hero{padding:34px 0 40px}
 .article-body{padding:24px 20px 18px}
 .prose h2{font-size:20px}
 .point-grid,.rec-grid{grid-template-columns:1fr}
 .fact-grid{grid-template-columns:1fr 1fr;gap:14px}
 .channel-item{flex-direction:column;align-items:flex-start;gap:14px}
 .cta-band{padding:32px 24px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column}
 .pullquote{padding:24px 22px}
}
@media (max-width:520px){
 .fact-grid{grid-template-columns:1fr}
 .article-title{font-size:24px}
 .btn{width:100%}
 .btn-row .btn{width:100%}
 .header-actions .btn{width:auto}
 .pullquote p{font-size:15.5px}
}

/* roulang page: category1 */
:root{
  --bg:#060b18;
  --bg-soft:#0a1226;
  --surface:#0f1a33;
  --surface-2:#142141;
  --line:rgba(140,170,230,.14);
  --line-strong:rgba(140,170,230,.30);
  --text:#e9f1ff;
  --muted:#93a6c9;
  --brand:#2fe3c4;
  --brand-deep:#0bb39a;
  --blue:#4d7dff;
  --accent:#ffb44d;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 30px rgba(3,8,20,.45);
  --shadow-hover:0 20px 46px rgba(3,8,20,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.5);background:rgba(6,11,24,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.4px}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--blue));
  display:grid;place-items:center;color:#04121a;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(47,227,196,.28);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:#04121a;background:linear-gradient(135deg,var(--brand),#59f0d6);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.4)}

/* ===== 按钮 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--blue));
  color:#04121a;box-shadow:0 10px 24px rgba(47,227,196,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,227,196,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.45);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cfe1ff;
  background:rgba(77,125,255,.12);border:1px solid rgba(140,170,230,.22);
}
.chip{
  display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;
  color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);
}
.chip-warm{color:var(--accent);background:rgba(255,180,77,.12);border-color:rgba(255,180,77,.28)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:68px 0 76px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.24;transform:scale(1.04);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 18%,rgba(47,227,196,.20),transparent 58%),
    radial-gradient(circle at 82% 8%,rgba(77,125,255,.20),transparent 55%),
    linear-gradient(180deg,rgba(6,11,24,.60),var(--bg) 94%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.6px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.24);
}
.hero h1{font-size:clamp(27px,3.1vw,40px);line-height:1.3;letter-spacing:.5px}
.hero-sub{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.86;max-width:620px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .tag-row{margin-top:24px}
.hero-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,rgba(20,33,65,.96),rgba(9,16,34,.98));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--blue),var(--accent));
}
.hero-panel h2{font-size:17px;margin-bottom:4px}
.hero-panel .panel-note{color:var(--muted);font-size:13px;margin-bottom:16px}
.spec-list{display:grid;gap:2px}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(140,170,230,.16);
}
.spec-row:last-child{border-bottom:0}
.spec-key{color:var(--muted);font-size:13.5px}
.spec-val{font-size:14px;font-weight:600;color:var(--text);text-align:right}
.spec-val.accent{color:var(--brand)}
.hero-panel .btn{width:100%;margin-top:16px}

/* ===== 通用板块 ===== */
.section{padding:70px 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,var(--bg-soft),var(--bg));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{font-size:clamp(21px,2.3vw,29px);line-height:1.38;margin:10px 0 12px}
.section-desc{color:var(--muted);font-size:15px;line-height:1.86}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:1px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}

/* ===== 数据条 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;position:relative;overflow:hidden;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.stat-card::after{
  content:"";position:absolute;right:-18px;top:-18px;width:72px;height:72px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.20),transparent 68%);
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.stat-num{font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--brand);line-height:1.2}
.stat-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:3px}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ===== 卡片网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--surface-2)}
.card-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,227,196,.22),rgba(77,125,255,.22));
  border:1px solid rgba(47,227,196,.26);color:var(--brand);margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:16.5px;margin-bottom:8px;line-height:1.5}
.card p{color:var(--muted);font-size:14px;line-height:1.8}
.card .chip{margin-top:14px}

/* ===== 安装步骤 ===== */
.step-list{display:grid;gap:14px;counter-reset:step}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;transition:transform .2s,border-color .2s,box-shadow .2s;
}
.step-item:hover{transform:translateX(4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.step-no{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--blue));
  box-shadow:0 8px 20px rgba(47,227,196,.22);
}
.step-body h3{font-size:16.5px;margin-bottom:6px}
.step-body p{color:var(--muted);font-size:14px;line-height:1.8}
.step-body .chip{margin-top:12px}

/* ===== 双端对比 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.compare-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.compare-col:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.compare-head .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,196,.16)}
.compare-head .dot.blue{background:var(--blue);box-shadow:0 0 0 4px rgba(77,125,255,.16)}
.compare-col h3{font-size:17px}
.compare-note{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.compare-list{display:grid;gap:12px}
.compare-list li{display:grid;grid-template-columns:18px 1fr;gap:10px;font-size:14px;color:#c9d8f2;line-height:1.72}
.compare-list li svg{width:16px;height:16px;margin-top:4px;color:var(--brand)}
.compare-figure{
  margin-top:22px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  position:relative;
}
.compare-figure img{width:100%;height:190px;object-fit:cover;transition:transform .35s ease}
.compare-figure:hover img{transform:scale(1.04)}
.compare-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;font-size:12.5px;color:#d7e6ff;
  background:linear-gradient(180deg,transparent,rgba(4,9,20,.9));
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:rgba(47,227,196,.34);background:var(--surface-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;font-weight:600;
  color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);
  transition:transform .2s,background .2s;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(47,227,196,.22)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.86}

/* ===== 频道矩阵 ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
  display:flex;flex-direction:column;gap:10px;
  background:linear-gradient(160deg,rgba(20,33,65,.9),rgba(10,18,38,.95));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:var(--shadow-hover)}
.channel-card .chip{align-self:flex-start}
.channel-card h3{font-size:16.5px}
.channel-card p{color:var(--muted);font-size:13.8px;line-height:1.78}
.channel-card .channel-go{font-size:13.5px;color:var(--brand);font-weight:600;margin-top:auto}
.channel-card.current{border-color:rgba(47,227,196,.40);background:linear-gradient(160deg,rgba(20,45,70,.95),rgba(10,18,38,.95))}
.channel-card.current .channel-go{color:var(--muted)}

/* ===== 收口 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:38px 36px;
  background:
    radial-gradient(circle at 12% 20%,rgba(47,227,196,.20),transparent 58%),
    radial-gradient(circle at 88% 80%,rgba(77,125,255,.22),transparent 55%),
    linear-gradient(150deg,rgba(20,33,65,.96),rgba(8,15,32,.98));
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.42;margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:14.5px;max-width:620px;line-height:1.82}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-soft),#040814);
  padding:56px 0 26px;margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:40px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-about{color:var(--muted);font-size:13.8px;line-height:1.85;max-width:420px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--text);letter-spacing:.5px}
.footer-col a{display:block;color:var(--muted);font-size:13.8px;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:12.8px;line-height:1.7;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .compare-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-about{max-width:none}
}
@media (max-width:860px){
  .nav{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px 18px 18px;background:rgba(8,14,30,.98);border-bottom:1px solid var(--line);
    display:none;box-shadow:var(--shadow);
  }
  .nav.open{display:flex}
  .nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .hero{padding:52px 0 58px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .card-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .step-item{grid-template-columns:44px 1fr;gap:14px;padding:20px}
  .step-no{width:42px;height:42px;border-radius:12px;font-size:15px}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .container{padding:0 18px}
  body{font-size:14.5px}
  .logo-text small{display:none}
  .logo{font-size:15px}
  .header-cta{padding:8px 12px;font-size:13px}
  .stats-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}
  .hero-sub{font-size:14.5px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .hero-panel .btn{width:100%}
  .cta-actions .btn{width:100%}
  .spec-row{flex-direction:column;gap:2px}
  .spec-val{text-align:left}
  .compare-figure img{height:160px}
}

/* roulang page: category2 */
:root{
  --bg:#060b18;
  --bg-soft:#0a1226;
  --surface:#0f1a33;
  --surface-2:#142141;
  --line:rgba(140,170,230,.14);
  --line-strong:rgba(140,170,230,.30);
  --text:#e9f1ff;
  --muted:#93a6c9;
  --brand:#2fe3c4;
  --brand-deep:#0bb39a;
  --blue:#4d7dff;
  --accent:#ffb44d;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 30px rgba(3,8,20,.45);
  --shadow-hover:0 20px 46px rgba(3,8,20,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.5);background:rgba(6,11,24,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.4px}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--blue));
  display:grid;place-items:center;color:#04121a;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(47,227,196,.28);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:#04121a;background:linear-gradient(135deg,var(--brand),#59f0d6);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.4)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--blue));
  color:#04121a;box-shadow:0 10px 24px rgba(47,227,196,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,227,196,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.45);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cfe1ff;
  background:rgba(77,125,255,.12);border:1px solid rgba(140,170,230,.22);
}
.chip{
  display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;
  color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);
}
.chip-warm{color:var(--accent);background:rgba(255,180,77,.12);border-color:rgba(255,180,77,.28)}

/* ============ 分类页 Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:62px 0 70px;border-bottom:1px solid var(--line)}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.22;transform:scale(1.04);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 14% 20%,rgba(47,227,196,.20),transparent 56%),
    radial-gradient(circle at 84% 6%,rgba(77,125,255,.22),transparent 54%),
    linear-gradient(180deg,rgba(6,11,24,.62),var(--bg) 94%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.6px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.24);
}
.page-hero h1{font-size:clamp(27px,3.1vw,41px);line-height:1.3;letter-spacing:.5px}
.hero-sub{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.86;max-width:620px}
.hero-sub strong{color:#cfe1ff;font-weight:600}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-hero .tag-row{margin-top:24px}

/* 选型小测面板 */
.quiz-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,rgba(20,33,65,.96),rgba(9,16,34,.98));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
}
.quiz-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--blue),var(--accent));
}
.quiz-panel h2{font-size:17.5px;line-height:1.5}
.quiz-note{color:var(--muted);font-size:12.5px;margin-top:6px;margin-bottom:18px}
.quiz-step{margin-bottom:16px}
.quiz-label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.6px;margin-bottom:8px}
.opt-group{display:flex;flex-wrap:wrap;gap:8px}
.opt{
  min-height:40px;padding:8px 14px;border-radius:9px;font-size:13.5px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:all .2s;
}
.opt:hover{border-color:rgba(47,227,196,.42);color:var(--text);background:rgba(47,227,196,.08)}
.opt.selected{
  color:#04121a;font-weight:600;border-color:transparent;
  background:linear-gradient(135deg,var(--brand),#59f0d6);
  box-shadow:0 8px 18px rgba(47,227,196,.24);
}
.quiz-result{
  margin-top:6px;padding:14px 16px;border-radius:var(--radius);
  border:1px dashed rgba(140,170,230,.34);background:rgba(10,18,38,.7);
  font-size:13.5px;line-height:1.72;color:var(--muted);min-height:78px;
}
.quiz-result strong{display:block;color:var(--brand);font-size:14px;margin-bottom:4px}
.quiz-panel .btn{width:100%;margin-top:16px}

/* ============ 通用板块 ============ */
.section{padding:70px 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,var(--bg-soft),var(--bg));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:34px}
.section-title{font-size:clamp(21px,2.3vw,29px);line-height:1.38;margin:10px 0 12px}
.section-desc{color:var(--muted);font-size:15px;line-height:1.86}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:1px}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}

/* 数据速览 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.metric b{display:block;font-size:26px;line-height:1.2;color:var(--brand);letter-spacing:.5px}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* 炮台卡组 */
.cannon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cannon-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;display:flex;flex-direction:column;
  transition:transform .2s,box-shadow .2s,border-color .2s;box-shadow:var(--shadow);
}
.cannon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.cannon-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,227,196,.10);border:1px solid rgba(47,227,196,.24);
  color:var(--brand);margin-bottom:16px;
}
.cannon-card h3{font-size:17px;margin-bottom:8px}
.cannon-card p{font-size:14px;color:var(--muted);line-height:1.8}
.cannon-card .card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:#bcd0ef}
.cannon-card .chip{align-self:flex-start;margin-bottom:12px}

/* 节奏时间线 */
.timeline{display:grid;gap:14px;counter-reset:step}
.tl-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:transform .2s,border-color .2s,box-shadow .2s;
}
.tl-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.tl-num{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--blue));
  box-shadow:0 8px 18px rgba(47,227,196,.22);
}
.tl-body h3{font-size:16.5px;margin-bottom:6px}
.tl-body p{font-size:14px;color:var(--muted);line-height:1.82}
.tl-meta{margin-top:10px;font-size:12.5px;color:var(--accent)}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.split-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);position:relative;background:var(--surface-2);
}
.split-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s}
.split-figure:hover img{transform:scale(1.03)}
.split-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 16px;font-size:12.5px;color:#d7e6ff;
  background:linear-gradient(180deg,transparent,rgba(4,9,20,.9));
}
.point-list{display:grid;gap:12px;margin-top:22px}
.point{
  display:grid;grid-template-columns:32px 1fr;gap:14px;align-items:start;
  padding:14px 16px;border-radius:var(--radius);background:rgba(20,33,65,.66);
  border:1px solid var(--line);transition:border-color .2s,background .2s;
}
.point:hover{border-color:var(--line-strong);background:rgba(20,33,65,.9)}
.point-ico{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:rgba(77,125,255,.14);color:#9db6ff;border:1px solid rgba(77,125,255,.26);
}
.point h4{font-size:14.5px;margin-bottom:2px}
.point p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* 技能节奏卡（非对称） */
.skill-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.skill-main{
  background:linear-gradient(160deg,rgba(20,33,65,.98),rgba(10,18,38,.98));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.skill-main h3{font-size:18px;margin-bottom:8px}
.skill-main p{font-size:14px;color:var(--muted);line-height:1.84}
.skill-list{margin-top:18px;display:grid;gap:10px}
.skill-list li{
  display:flex;justify-content:space-between;gap:14px;align-items:center;
  padding:10px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:13.5px;
}
.skill-list li span:first-child{color:var(--text)}
.skill-list li span:last-child{color:var(--brand);font-weight:600;white-space:nowrap}
.skill-side{display:grid;gap:18px;align-content:start}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;transition:transform .2s,border-color .2s,box-shadow .2s;
}
.mini-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.mini-card h4{font-size:15px;margin-bottom:6px}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.78}

/* 自查清单 */
.check-wrap{
  background:linear-gradient(150deg,rgba(20,33,65,.9),rgba(8,14,30,.96));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:30px;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  box-shadow:var(--shadow);
}
.check-list{display:grid;gap:12px;margin-top:18px}
.check-list li{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;font-size:14px;color:#cfe1ff;line-height:1.7}
.check-list svg{color:var(--brand);margin-top:4px}
.check-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.check-figure img{aspect-ratio:5/4;object-fit:cover;width:100%}

/* 资讯列表 */
.news-list{display:grid;gap:12px}
.news-item{
  display:grid;grid-template-columns:1fr auto;gap:10px 20px;align-items:center;
  padding:18px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.36);box-shadow:var(--shadow);background:var(--surface-2)}
.news-title{font-size:15.5px;font-weight:600;line-height:1.6}
.news-desc{grid-column:1/-1;font-size:13.5px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.news-side .chip{font-size:11.5px}
.news-empty{
  padding:34px 22px;text-align:center;border-radius:var(--radius);
  border:1px dashed var(--line-strong);color:var(--muted);font-size:14px;background:rgba(15,26,51,.6);
}
.list-more{margin-top:22px;display:flex;justify-content:center}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(47,227,196,.36);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.86}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(47,227,196,.16),rgba(77,125,255,.16));
  padding:40px;display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 12%,rgba(255,180,77,.20),transparent 52%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.42}
.cta-band p{color:#c6d7f4;font-size:14.5px;margin-top:10px;line-height:1.82}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);background:var(--bg-soft);
  padding:52px 0 28px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:700;margin-bottom:12px}
.footer-about{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:400px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:#cfe1ff}
.footer-col a{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cannon-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .skill-layout{grid-template-columns:1fr}
  .check-wrap{grid-template-columns:1fr}
  .check-figure{order:-1}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav{
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:var(--radius);
    background:rgba(10,18,38,.98);border:1px solid var(--line-strong);
    box-shadow:var(--shadow);display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .page-hero{padding:44px 0 54px}
  .section{padding:52px 0}
  .cannon-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .news-item{grid-template-columns:1fr}
  .news-side{justify-content:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:14.5px}
  .logo{font-size:14.5px}
  .logo-text small{letter-spacing:1px}
  .metrics{grid-template-columns:1fr}
  .quiz-panel{padding:18px}
  .check-wrap,.skill-main{padding:22px}
  .cta-band{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .header-actions .btn{width:auto}
}

/* roulang page: category3 */
:root{
    --bg:#060b18;
    --bg-soft:#0a1226;
    --surface:#0f1a33;
    --surface-2:#142141;
    --line:rgba(140,170,230,.14);
    --line-strong:rgba(140,170,230,.30);
    --text:#e9f1ff;
    --muted:#93a6c9;
    --brand:#2fe3c4;
    --brand-deep:#0bb39a;
    --blue:#4d7dff;
    --accent:#ffb44d;
    --radius-lg:22px;
    --radius:14px;
    --radius-sm:10px;
    --shadow:0 12px 30px rgba(3,8,20,.45);
    --shadow-hover:0 20px 46px rgba(3,8,20,.62);
    --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:15px;
    line-height:1.78;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
::selection{background:rgba(47,227,196,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
/* 顶部导航 */
.site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(6,11,24,.86);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.5);background:rgba(6,11,24,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.4px;min-height:44px}
.logo-mark{
    width:34px;height:34px;border-radius:11px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--brand),var(--blue));
    display:grid;place-items:center;color:#04121a;font-size:15px;font-weight:800;
    box-shadow:0 6px 16px rgba(47,227,196,.28);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);transition:color .2s,background .2s;min-height:38px;display:inline-flex;align-items:center}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:#04121a;background:linear-gradient(135deg,var(--brand),#59f0d6);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
    display:none;width:42px;height:42px;border-radius:11px;
    border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
    color:var(--text);align-items:center;justify-content:center;
    transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.4)}
/* 按钮 / 标签 */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
    border:1px solid transparent;
    transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s;
    white-space:nowrap;min-height:44px;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--blue));color:#04121a;box-shadow:0 10px 24px rgba(47,227,196,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,227,196,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.45);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;min-height:38px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cfe1ff;
    background:rgba(77,125,255,.12);border:1px solid rgba(140,170,230,.22);
}
.chip{display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;color:var(--brand);background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26)}
.chip-warm{color:var(--accent);background:rgba(255,180,77,.12);border-color:rgba(255,180,77,.28)}
/* Hero */
.hero{position:relative;overflow:hidden;padding:66px 0 76px;border-bottom:1px solid var(--line);background:var(--bg)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;transform:scale(1.04)}
.hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
        radial-gradient(circle at 16% 14%,rgba(47,227,196,.20),transparent 58%),
        radial-gradient(circle at 86% 6%,rgba(77,125,255,.22),transparent 55%),
        linear-gradient(180deg,rgba(6,11,24,.62),var(--bg) 94%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:start}
.eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:var(--brand);letter-spacing:.6px;margin-bottom:16px;
    padding:6px 14px;border-radius:999px;background:rgba(47,227,196,.10);
    border:1px solid rgba(47,227,196,.24);
}
.hero h1{font-size:clamp(28px,3.4vw,44px);line-height:1.3;letter-spacing:.4px}
.hero-sub{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.85;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .tag-row{margin-top:24px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;max-width:560px}
.stat{padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(15,26,51,.72)}
.stat strong{display:block;font-size:20px;color:var(--brand);line-height:1.2;letter-spacing:.4px}
.stat span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
/* 阶段面板 */
.stage-card{
    position:relative;overflow:hidden;
    background:linear-gradient(165deg,rgba(20,33,65,.97),rgba(9,16,34,.99));
    border:1px solid var(--line-strong);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow);
}
.stage-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--blue),var(--accent))}
.stage-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.stage-head h2{font-size:18px;line-height:1.4}
.stage-head p{color:var(--muted);font-size:12.5px;margin-top:4px}
.stage-badge{flex:0 0 auto;font-size:11.5px;color:var(--brand);border:1px solid rgba(47,227,196,.3);background:rgba(47,227,196,.1);padding:4px 10px;border-radius:999px}
.stage-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:rgba(255,255,255,.04);padding:5px;border-radius:12px;margin:16px 0 4px}
.stage-tab{
    padding:9px 6px;border-radius:9px;border:0;background:transparent;color:var(--muted);
    font-size:13px;transition:background .2s,color .2s;min-height:40px;
}
.stage-tab:hover{color:var(--text);background:rgba(255,255,255,.05)}
.stage-tab.active{background:linear-gradient(135deg,var(--brand),#59f0d6);color:#04121a;font-weight:700}
.stage-view{display:none;padding-top:14px}
.stage-view.active{display:block;animation:fadeUp .28s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.stage-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.stage-list li:last-child{border-bottom:0}
.stage-list span{color:var(--muted)}
.stage-list b{color:var(--brand);font-weight:700;text-align:right}
.stage-note{margin-top:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(255,255,255,.03);color:var(--muted);font-size:13px;line-height:1.75}
.stage-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.stage-cta .btn{width:100%;padding-left:10px;padding-right:10px}
/* 通用板块 */
.section{padding:74px 0;position:relative}
.section.alt{background:linear-gradient(180deg,var(--bg-soft),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:36px}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--brand);letter-spacing:1px}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}
.section-title{font-size:clamp(22px,2.5vw,30px);line-height:1.38;margin:10px 0 12px}
.section-desc{color:var(--muted);font-size:15px;line-height:1.85}
.section-head.split{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:28px}
/* 礼包内容 */
.gift-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gift-card{
    position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:210px;
    background:linear-gradient(160deg,rgba(20,33,65,.9),rgba(10,18,38,.96));
    border:1px solid var(--line);border-radius:var(--radius);padding:24px;
    box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,196,.34)}
.gift-card.featured{
    grid-column:span 2;
    background:
        linear-gradient(120deg,rgba(9,18,38,.95),rgba(9,18,38,.72)),
        url('/assets/images/捕鱼大咖_可回可纯_每早8点更新.webp') center/cover no-repeat;
}
.gift-card.wide{grid-column:span 2}
.gift-icon{
    width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
    color:var(--brand);background:rgba(47,227,196,.11);border:1px solid rgba(47,227,196,.22);
    margin-bottom:16px;
}
.gift-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.gift-card p{color:var(--muted);font-size:14px;line-height:1.8}
.gift-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:18px}
/* 版本记录 */
.version-wrap{max-width:900px}
.version-list{position:relative;margin-left:6px;padding-left:30px;border-left:1px solid var(--line-strong);display:grid;gap:18px}
.version-item{
    position:relative;background:rgba(15,26,51,.74);border:1px solid var(--line);
    border-radius:16px;padding:20px 22px;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.version-item:hover{border-color:rgba(47,227,196,.34);transform:translateX(3px);box-shadow:var(--shadow)}
.version-item::before{
    content:"";position:absolute;left:-37px;top:26px;width:14px;height:14px;border-radius:50%;
    background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,196,.14);
}
.version-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.version-no{font-size:13.5px;font-weight:700;color:var(--brand);letter-spacing:.4px}
.version-item h3{font-size:17px;line-height:1.5;margin-bottom:6px}
.version-item p{color:var(--muted);font-size:14.5px}
.version-tag{margin-left:auto}
/* 领取步骤 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
    position:relative;background:rgba(15,26,51,.72);border:1px solid var(--line);
    border-radius:var(--radius);padding:24px;transition:transform .2s,border-color .2s,background .2s;
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.34);background:rgba(20,33,65,.86)}
.step-no{font-size:34px;font-weight:800;line-height:1;letter-spacing:1px;color:rgba(47,227,196,.28);margin-bottom:16px}
.step-card h3{font-size:16px;margin-bottom:8px}
.step-card p{color:var(--muted);font-size:14px;line-height:1.78}
/* 场景 */
.scene-list{display:grid;gap:18px}
.scene-card{
    display:grid;grid-template-columns:300px 1fr;overflow:hidden;
    background:linear-gradient(160deg,rgba(20,33,65,.88),rgba(10,18,38,.94));
    border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.3);box-shadow:var(--shadow-hover)}
.scene-card:nth-child(even){grid-template-columns:1fr 300px}
.scene-card:nth-child(even) .scene-media{order:2}
.scene-media{position:relative;min-height:210px;background:var(--surface-2)}
.scene-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,24,.05),rgba(6,11,24,.34))}
.scene-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center}
.scene-body h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.scene-body p{color:var(--muted);font-size:14.5px;line-height:1.82}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
/* 使用要点 */
.guide-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}
.guide-media{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.guide-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.guide-list{display:grid;gap:13px}
.guide-item{display:flex;gap:14px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.025);transition:background .2s,border-color .2s}
.guide-item:hover{background:rgba(47,227,196,.055);border-color:rgba(47,227,196,.26)}
.guide-num{flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(47,227,196,.12);color:var(--brand);font-weight:700;font-size:14px}
.guide-item h4{font-size:15px;margin-bottom:4px}
.guide-item p{color:var(--muted);font-size:13.8px;line-height:1.75}
/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:rgba(15,26,51,.74);border:1px solid var(--line);border-radius:var(--radius);padding:0 20px;transition:border-color .2s,background .2s}
.faq-item[open]{border-color:rgba(47,227,196,.4);background:rgba(20,33,65,.82)}
.faq-item summary{
    list-style:none;cursor:pointer;position:relative;padding:18px 38px 18px 0;
    font-weight:600;font-size:15px;line-height:1.6;min-height:56px;display:flex;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
    width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
    color:var(--brand);background:rgba(47,227,196,.1);font-weight:700;font-size:16px;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 0 18px;color:var(--muted);font-size:14.3px;line-height:1.82}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
    display:flex;flex-direction:column;overflow:hidden;background:rgba(15,26,51,.76);
    border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.34);box-shadow:var(--shadow-hover)}
.news-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-media img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px}
.news-body h3{font-size:16px;line-height:1.55;margin-bottom:8px}
.news-body p{color:var(--muted);font-size:13.8px;line-height:1.78;margin-bottom:14px}
.news-link{margin-top:auto;color:var(--brand);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-link::after{content:"→";transition:transform .2s}
.news-card:hover .news-link::after{transform:translateX(3px)}
.empty-state{padding:30px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center;background:rgba(255,255,255,.02)}
/* CTA */
.cta-band{
    position:relative;overflow:hidden;display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;
    border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:40px;
    background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(77,125,255,.17)),var(--surface);
    box-shadow:var(--shadow);
}
.cta-band::after{
    content:"";position:absolute;width:320px;height:320px;right:-120px;top:-140px;border-radius:50%;
    background:radial-gradient(circle,rgba(47,227,196,.22),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin-bottom:10px}
.cta-copy p{color:var(--muted);font-size:14.8px;line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.progress-box{position:relative;z-index:2;background:rgba(6,11,24,.46);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.progress-box h3{font-size:14px;margin-bottom:14px;color:var(--text)}
.progress-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.progress-row b{color:var(--brand);font-weight:600}
.progress-track{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:14px}
.progress-track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--blue))}
.progress-track span.p70{width:70%}
.progress-track span.p45{width:45%}
.progress-track span.p90{width:90%}
/* 页脚 */
.site-footer{padding:60px 0 28px;border-top:1px solid var(--line);background:var(--bg-soft)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-about{color:var(--muted);font-size:13.8px;line-height:1.85;max-width:520px}
.footer-col h4{font-size:14px;margin:2px 0 14px;color:var(--text)}
.footer-col a{display:flex;align-items:center;min-height:34px;color:var(--muted);font-size:13.8px;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:38px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;line-height:1.7}
/* 响应式 */
@media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .hero-stats{max-width:none}
    .gift-grid{grid-template-columns:repeat(2,1fr)}
    .gift-card.featured,.gift-card.wide{grid-column:span 2}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .scene-card,.scene-card:nth-child(even){grid-template-columns:240px 1fr}
    .scene-card:nth-child(even) .scene-media{order:0}
    .guide-grid{grid-template-columns:1fr;gap:26px}
    .news-grid{grid-template-columns:repeat(2,1fr)}
    .cta-band{grid-template-columns:1fr;padding:32px}
    .footer-grid{grid-template-columns:1.4fr 1fr}
}
@media (max-width:900px){
    .header-inner{height:64px}
    .nav{
        position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
        gap:4px;padding:14px 24px 20px;background:rgba(10,18,38,.98);
        border-bottom:1px solid var(--line-strong);box-shadow:0 20px 40px rgba(0,0,0,.45);
    }
    .nav.open{display:flex}
    .nav a{padding:12px 14px;min-height:44px;border-radius:10px}
    .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
    .section{padding:58px 0}
    .hero{padding:50px 0 60px}
    .hero-stats{grid-template-columns:repeat(3,1fr);gap:8px}
    .stat{padding:11px 12px}
    .stat strong{font-size:17px}
    .gift-grid{grid-template-columns:1fr}
    .gift-card.featured,.gift-card.wide{grid-column:span 1}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .scene-card,.scene-card:nth-child(even){grid-template-columns:1fr}
    .scene-card:nth-child(even) .scene-media{order:0}
    .scene-media{min-height:230px}
    .faq-grid{grid-template-columns:1fr}
    .news-grid{grid-template-columns:1fr}
    .section-head.split{display:block}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
    .footer-grid > div:first-child{grid-column:span 2}
}
@media (max-width:520px){
    .container{padding:0 18px}
    .logo-text{font-size:14px}
    .logo-text small{display:none}
    .logo-mark{width:31px;height:31px;border-radius:9px}
    .header-inner{gap:10px}
    .header-cta{padding:8px 12px;font-size:13px}
    .hero h1{font-size:27px}
    .hero-sub{font-size:14.5px}
    .hero-stats{grid-template-columns:1fr}
    .stat{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px}
    .stat strong{font-size:17px;display:inline}
    .stat span{margin-top:0}
    .stage-card{padding:18px}
    .stage-tabs{grid-template-columns:1fr;gap:5px}
    .stage-tab{min-height:42px;text-align:left;padding-left:12px}
    .stage-cta{grid-template-columns:1fr}
    .steps-grid{grid-template-columns:1fr}
    .scene-body{padding:20px}
    .cta-band{padding:24px}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .footer-grid > div:first-child{grid-column:span 1}
    .footer-bottom{flex-direction:column;align-items:flex-start}
}