/* roulang page: index */
:root{
  --ink-900:#0b0e1f;
  --ink-800:#12162e;
  --ink-700:#1a1f3d;
  --ink-600:#252c52;
  --gold:#ffb400;
  --gold-light:#ffd45e;
  --gold-dark:#b8830a;
  --cyan:#38e0d0;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#191e35;
  --muted:#6a7190;
  --line:#e3e7f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 12px rgba(20,25,55,.06);
  --shadow:0 12px 28px rgba(20,25,55,.09);
  --shadow-lg:0 22px 45px rgba(20,25,55,.15);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;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:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),92%);margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#151a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 8px 24px rgba(9,12,28,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;display:grid;place-items:center;
  font-weight:900;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11.5px;font-weight:500;letter-spacing:2.4px;color:#8f97b8;margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-tabs a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:#c3cae3;border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-tabs a:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.14)}
.nav-tabs a.active{
  color:#2a1e00;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  border-color:rgba(255,180,0,.6);
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-tabs a:active{transform:translateY(1px)}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;padding:90px 0 74px;
  background:
    linear-gradient(180deg,rgba(11,14,31,.88) 0%,rgba(11,14,31,.95) 100%),
    radial-gradient(circle at 80% 8%,rgba(56,224,208,.22),transparent 55%),
    radial-gradient(circle at 12% 88%,rgba(255,180,0,.18),transparent 52%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(244,246,252,0),rgba(244,246,252,.16));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 18px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.5);
  color:var(--gold-light);font-size:13.5px;letter-spacing:1.2px;font-weight:600;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.24;letter-spacing:-.5px;font-weight:800;
  margin:24px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--gold-light)}
.hero-lead{
  font-size:clamp(15px,1.5vw,17px);line-height:1.95;color:#c8cfe6;
  max-width:790px;margin:0 auto;
}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.13);
}
.hero-stats .num{
  display:block;font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--gold-light);line-height:1.2;
}
.hero-stats .lab{display:block;font-size:13.5px;color:#9aa3c2;margin-top:6px;letter-spacing:.6px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#2a1e00;box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.46)}
.btn-ghost{
  background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.3);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.btn-outline{
  background:#fff;color:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ===== 通用板块 ===== */
.section{padding:78px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#f4f6fc 0%,#eef1fa 100%)}
.section-dark{background:linear-gradient(160deg,#12162e 0%,#1a1f3d 100%);color:#fff}
.section-head{max-width:780px;margin:0 auto 46px;text-align:center}
.section-head.left{margin:0 0 42px;text-align:left;max-width:720px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;
  color:var(--gold-dark);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light)}
.section-head h2{
  font-size:clamp(23px,2.9vw,33px);line-height:1.34;font-weight:800;
  margin:14px 0 16px;letter-spacing:-.3px;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.section-dark .section-head p,.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#adb5d0}

/* ===== 卡片 ===== */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3d9ea}
.card h3{font-size:18px;font-weight:800;margin:16px 0 10px;line-height:1.45}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(255,180,0,.18),rgba(255,180,0,.06));
  border:1px solid rgba(255,180,0,.35);color:var(--gold-dark);
}
.card-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card-no{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.6px;
  color:var(--gold-dark);background:rgba(255,180,0,.12);
  border-radius:999px;padding:3px 12px;margin-bottom:14px;
}

/* ===== 栅格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ===== 谁适合 ===== */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.fit-box{border-radius:var(--radius);padding:30px 28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.fit-box h3{font-size:19px;margin-bottom:18px;font-weight:800;display:flex;align-items:center;gap:10px}
.fit-box h3 span{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;
}
.fit-yes h3 span{background:linear-gradient(135deg,#38e0d0,#1aa79b)}
.fit-no h3 span{background:linear-gradient(135deg,#8e97b8,#5f688a)}
.fit-box li{
  position:relative;padding-left:20px;font-size:14.8px;line-height:1.9;color:var(--muted);margin-bottom:10px;
}
.fit-box li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}
.fit-no li::before{background:#b6bdd4}

/* ===== 匹配方案 ===== */
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px 28px;box-shadow:var(--shadow-sm);
  border-left:4px solid var(--gold);
  transition:transform .25s,box-shadow .25s;
  height:100%;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan-card .plan-tag{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--gold-dark);
  background:rgba(255,180,0,.13);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.plan-card h3{font-size:19px;margin-bottom:12px;font-weight:800}
.plan-card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.plan-card ul{margin-top:16px;border-top:1px dashed var(--line);padding-top:16px}
.plan-card ul li{font-size:14px;color:#4a5170;line-height:1.85;padding-left:18px;position:relative;margin-bottom:6px}
.plan-card ul li::before{content:"·";position:absolute;left:4px;top:0;color:var(--gold-dark);font-weight:900}

/* ===== 三步上手 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px 26px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step .step-no{
  position:absolute;top:-18px;left:26px;width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;font-weight:900;font-size:17px;color:#2a1e00;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  box-shadow:0 10px 20px rgba(255,180,0,.32);
}
.step h3{font-size:18px;margin:14px 0 10px;font-weight:800}
.step p{color:var(--muted);font-size:14.5px;line-height:1.85}

/* ===== 入口分流 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;gap:12px;
  padding:32px 28px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.13);
  transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
  height:100%;
}
.entry-card:hover{
  transform:translateY(-5px);border-color:rgba(255,180,0,.55);
  background:linear-gradient(160deg,rgba(255,180,0,.14),rgba(255,255,255,.03));
  box-shadow:0 20px 40px rgba(0,0,0,.3);
}
.entry-card .entry-index{
  font-size:12.5px;font-weight:800;letter-spacing:2.4px;color:var(--gold-light);
}
.entry-card h3{font-size:20px;font-weight:800;color:#fff}
.entry-card p{font-size:14.5px;line-height:1.85;color:#a9b2cf;flex:1}
.entry-card .entry-go{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--gold-light);
}
.entry-card .entry-go::after{content:"→";transition:transform .22s}
.entry-card:hover .entry-go::after{transform:translateX(4px)}

/* ===== 数据条 ===== */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 28px;box-shadow:var(--shadow-sm);
}
.metric-bar .metric{text-align:center;position:relative}
.metric-bar .metric + .metric::before{
  content:"";position:absolute;left:-10px;top:12%;height:76%;width:1px;background:var(--line);
}
.metric-bar .m-num{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--ink-700);line-height:1.2}
.metric-bar .m-num i{font-style:normal;color:var(--gold-dark);font-size:.7em;font-weight:800}
.metric-bar .m-lab{display:block;margin-top:8px;font-size:13.6px;color:var(--muted)}

/* ===== 热门专题 ===== */
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;height:100%;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.topic-card:hover .topic-thumb img{transform:scale(1.05)}
.topic-thumb .hot{
  position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:800;letter-spacing:.6px;color:#2a1e00;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:0 6px 14px rgba(0,0,0,.25);
}
.topic-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:17.5px;font-weight:800;line-height:1.5}
.topic-body p{font-size:14.2px;color:var(--muted);line-height:1.85;flex:1}
.topic-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{
  display:inline-block;font-size:12.4px;color:#5b6386;background:#f1f3fb;
  border:1px solid var(--line);border-radius:999px;padding:3px 11px;
}

/* ===== 口碑气泡 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.voice p{font-size:14.6px;line-height:1.9;color:#3b4262}
.voice-user{display:flex;align-items:center;gap:11px;margin-top:18px}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#2a1e00;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  flex-shrink:0;
}
.voice-user .u-name{font-size:14px;font-weight:700;color:var(--ink-700)}
.voice-user .u-role{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:1px}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfd6e9}
.news-tag{
  align-self:flex-start;font-size:12.2px;font-weight:700;color:var(--gold-dark);
  background:rgba(255,180,0,.13);border-radius:999px;padding:3px 11px;
}
.news-card h3{font-size:17px;font-weight:800;line-height:1.55;color:var(--ink-700)}
.news-card:hover h3{color:var(--gold-dark)}
.news-card p{font-size:14.2px;color:var(--muted);line-height:1.85}
.news-time{font-size:12.8px;color:#98a0be;letter-spacing:.4px}
.empty-tip{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:15px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:44px 20px;
}

/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 28px;box-shadow:var(--shadow-sm);transition:border-color .22s,box-shadow .22s;
}
.faq-item:hover{border-color:#d3d9ea;box-shadow:var(--shadow)}
.faq-item h3{
  font-size:16.6px;font-weight:800;margin-bottom:12px;color:var(--ink-700);
  display:flex;gap:11px;line-height:1.6;
}
.faq-item h3::before{
  content:"Q";flex-shrink:0;width:24px;height:24px;border-radius:8px;margin-top:2px;
  display:grid;place-items:center;font-size:12.5px;font-weight:900;color:#2a1e00;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
}
.faq-item p{font-size:14.6px;color:var(--muted);line-height:1.95;padding-left:35px}

/* ===== 保障条 ===== */
.promise{
  background:
    linear-gradient(160deg,rgba(11,14,31,.94),rgba(26,31,61,.94)),
    url('/assets/images/backpic/back-6.webp') center/cover no-repeat;
  color:#fff;border-radius:var(--radius-lg);
  padding:52px 44px;display:grid;grid-template-columns:1.4fr auto;gap:34px;align-items:center;
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-lg);
}
.promise h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;margin-bottom:14px}
.promise p{color:#b1b9d5;font-size:15px;line-height:1.9;max-width:640px}
.promise-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.promise-points span{
  font-size:13px;color:var(--gold-light);border:1px solid rgba(255,180,0,.4);
  background:rgba(255,180,0,.1);border-radius:999px;padding:5px 14px;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-900);color:#9aa3c2;padding:60px 0 26px;
  border-top:1px solid rgba(255,255,255,.07);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:14px;line-height:1.9;color:#8d95b5;max-width:330px}
.footer-col h3{font-size:14.5px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.6px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#8d95b5;transition:color .2s}
.footer-col a:hover{color:var(--gold-light)}
.footer-col .plain{font-size:14px;color:#8d95b5}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#727b9c;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .grid-3,.grid-6{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .entry-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-stats{grid-template-columns:repeat(4,1fr);gap:12px}
  .section{padding:66px 0}
}
@media (max-width:860px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding:14px 0;gap:12px}
  .nav-tabs{width:100%;margin-left:0;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .nav-tabs::-webkit-scrollbar{height:4px}
  .nav-tabs::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px}
  .nav-tabs a{flex:0 0 auto}
  .hero{padding:64px 0 56px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:24px;margin-top:40px}
  .fit-grid,.grid-2,.news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .metric-bar{grid-template-columns:repeat(2,1fr);gap:26px}
  .metric-bar .metric + .metric::before{display:none}
  .voice-grid{grid-template-columns:1fr}
  .promise{grid-template-columns:1fr;padding:38px 26px;gap:24px}
  .entry-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid-3,.grid-6,.grid-4{grid-template-columns:1fr}
  .section{padding:54px 0}
  .section-head{margin-bottom:34px}
  .card,.plan-card,.step,.voice{padding-left:20px;padding-right:20px}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .faq-item{padding:20px}
  .faq-item p{padding-left:0;margin-top:4px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:flex-start}
  .hero-stats{grid-template-columns:1fr 1fr}
}

/* roulang page: article */
:root{
  --ink-900:#0b0e1f;
  --ink-800:#12162e;
  --ink-700:#1a1f3d;
  --ink-600:#252c52;
  --gold:#ffb400;
  --gold-light:#ffd45e;
  --gold-dark:#b8830a;
  --cyan:#38e0d0;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#191e35;
  --muted:#6a7190;
  --line:#e3e7f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 12px rgba(20,25,55,.06);
  --shadow:0 12px 28px rgba(20,25,55,.09);
  --shadow-lg:0 22px 45px rgba(20,25,55,.15);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;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:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:min(var(--container),92%);margin:0 auto}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#151a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 8px 24px rgba(9,12,28,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;display:grid;place-items:center;
  font-weight:900;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11.5px;font-weight:500;letter-spacing:2.2px;color:#8f97b8;margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-tabs a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:#c3cae3;border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-tabs a:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.14)}
.nav-tabs a.active{
  color:#2a1e00;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  border-color:rgba(255,180,0,.6);
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-tabs a:active{transform:translateY(1px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s,color .22s;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#2a1e00;box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.46)}
.btn-ghost{
  background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.3);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.btn:active{transform:translateY(0)}

/* ===== 文章 Hero ===== */
.post-hero{
  position:relative;color:#fff;padding:44px 0 72px;overflow:hidden;
  background:
    linear-gradient(120deg,rgba(11,14,31,.94) 0%,rgba(26,31,61,.9) 55%,rgba(11,14,31,.96) 100%),
    radial-gradient(circle at 84% 10%,rgba(56,224,208,.2),transparent 52%),
    url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
}
.post-hero::before{
  content:"";position:absolute;left:-140px;bottom:-180px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.24),transparent 68%);pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#98a1c1;margin-bottom:28px;
}
.breadcrumb a{color:#c3cae3;transition:color .2s}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb .sep{color:#5d6584}
.breadcrumb .now{color:#e6b64a}
.post-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .55fr;gap:48px;align-items:start}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.5);
  color:var(--gold-light);font-size:13px;letter-spacing:1.4px;font-weight:600;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.post-hero h1{
  font-size:clamp(26px,3.6vw,44px);line-height:1.3;font-weight:800;
  letter-spacing:-.5px;margin:22px 0 18px;color:#fff;
}
.post-lead{
  font-size:15.5px;line-height:1.95;color:#c2cae0;max-width:660px;
  border-left:3px solid rgba(255,180,0,.55);padding-left:18px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;font-size:13.5px;color:#9aa3c2}
.post-tag{
  display:inline-block;padding:4px 13px;border-radius:999px;font-weight:700;font-size:12.5px;
  background:rgba(56,224,208,.14);color:#7fe8dc;border:1px solid rgba(56,224,208,.4);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.13);
}
.hero-stats .num{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--gold-light);line-height:1.2}
.hero-stats .lab{display:block;font-size:13px;color:#9aa3c2;margin-top:6px;letter-spacing:.5px}

/* 竖屏海报 */
.poster{
  position:relative;width:100%;max-width:290px;margin-left:auto;
  aspect-ratio:9/16;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.2);box-shadow:0 26px 60px rgba(0,0,0,.5);
}
.poster img{width:100%;height:100%;object-fit:cover}
.poster::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,31,.04) 38%,rgba(11,14,31,.88) 100%);
}
.poster-chip{
  position:absolute;top:14px;left:14px;z-index:2;padding:5px 12px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#2a1e00;
  font-size:11.5px;font-weight:800;letter-spacing:1px;
}
.poster-cap{
  position:absolute;left:15px;right:15px;bottom:16px;z-index:2;color:#fff;
  font-size:13px;line-height:1.65;font-weight:600;
}
.poster-cap span{display:block;color:#a9b2cf;font-weight:400;font-size:12px;margin-top:5px}

/* ===== 通用板块 ===== */
.section{padding:78px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#f4f6fc 0%,#eef1fa 100%)}
.section-dark{background:linear-gradient(160deg,#12162e 0%,#1a1f3d 100%);color:#fff}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.section-head.left{margin:0;text-align:left;max-width:520px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.6px;
  color:var(--gold-dark);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light)}
.section-head h2{
  font-size:clamp(22px,2.8vw,32px);line-height:1.36;font-weight:800;
  margin:14px 0 14px;letter-spacing:-.3px;color:var(--ink-700);
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#adb5d0}

/* ===== 正文排版 ===== */
.article-shell{max-width:820px;margin:0 auto}
.article-body{font-size:16.5px;line-height:1.95;color:#2b3152}
.article-body h2{
  font-size:clamp(20px,2.2vw,24px);line-height:1.45;font-weight:800;color:var(--ink-700);
  margin:46px 0 16px;padding-left:14px;border-left:4px solid var(--gold);
}
.article-body h3{font-size:18.5px;font-weight:800;color:var(--ink-700);margin:32px 0 12px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body ul li{list-style:disc;margin:9px 0}
.article-body ol li{list-style:decimal;margin:9px 0}
.article-body strong{color:var(--ink-700)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#fff8e6;
  border-left:4px solid var(--gold);border-radius:0 var(--radius) var(--radius) 0;
  color:#6d5416;
}
.article-body img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin:24px auto}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#f0f3fb;font-weight:700;color:var(--ink-700)}
.article-body a{color:var(--gold-dark);border-bottom:1px dashed rgba(184,131,10,.5)}
.article-body a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.empty-state{
  text-align:center;padding:64px 28px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:24px;color:var(--ink-700);margin-bottom:14px;border:0;padding:0}
.empty-state p{color:var(--muted);margin-bottom:26px}

/* ===== 关键要点卡 ===== */
.key-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.key-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.key-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.key-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#2a1e00;
  font-weight:900;font-size:15px;margin-bottom:16px;box-shadow:0 8px 16px rgba(255,180,0,.28);
}
.key-card h3{font-size:16.5px;font-weight:800;color:var(--ink-700);margin-bottom:10px}
.key-card p{font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ===== 节奏时间线 ===== */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tl-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 18px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tl-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(56,224,208,.6)}
.tl-num{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#2a3160,#1a1f3d);color:var(--gold-light);
  font-weight:800;font-size:14px;margin-bottom:14px;
}
.tl-item h3{font-size:15.5px;font-weight:800;color:var(--ink-700);margin-bottom:8px}
.tl-item p{font-size:13.8px;line-height:1.8;color:var(--muted)}

/* ===== 宝箱层级 ===== */
.tier-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.tier-row{
  display:grid;grid-template-columns:190px 1fr 150px;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 24px;box-shadow:var(--shadow-sm);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.tier-row:hover{border-color:rgba(255,180,0,.6);transform:translateX(4px);box-shadow:var(--shadow)}
.tier-name{font-weight:800;font-size:16px;color:var(--ink-700);display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.tier-badge{
  display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:#fff4d6;color:#8a6300;letter-spacing:.5px;
}
.tier-desc{font-size:14.5px;color:var(--muted);line-height:1.8}
.tier-range{font-size:15px;font-weight:800;color:var(--gold-dark);text-align:right}

/* ===== 误区辨析 ===== */
.pit-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
.pit-left h2{font-size:clamp(22px,2.7vw,31px);line-height:1.4;font-weight:800;color:#fff;margin:14px 0 16px}
.pit-left p{color:#adb5d0;font-size:15px;line-height:1.9}
.pit-list{display:grid;gap:14px}
.pit-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:22px 24px;
  transition:background .25s,border-color .25s,transform .25s;
}
.pit-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.55);transform:translateY(-3px)}
.pit-card h3{font-size:16px;font-weight:800;color:var(--gold-light);margin-bottom:9px}
.pit-card p{font-size:14.5px;line-height:1.85;color:#b9c1da}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;font-weight:700;font-size:16px;
  color:var(--ink-700);display:flex;justify-content:space-between;align-items:center;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:21px;font-weight:800;color:var(--gold-dark);line-height:1}
.faq-item[open] summary{background:#fffaf0}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ===== 收口 CTA ===== */
.cta-band{
  position:relative;padding:66px 0;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,#12162e 0%,#1a1f3d 58%,#252c52 100%);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.22),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;margin-bottom:12px}
.cta-inner p{color:#adb5d0;font-size:15px;line-height:1.9;max-width:660px}

/* ===== 页脚 ===== */
.site-footer{background:#0b0e1f;color:#a8b0cc;padding:58px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-desc{line-height:1.9;color:#8f97b8;max-width:330px}
.footer-col h3{font-size:14px;color:#fff;font-weight:800;letter-spacing:1px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#98a1c1;transition:color .2s}
.footer-col ul li a:hover{color:var(--gold-light)}
.footer-col .plain{color:#7d86a6;line-height:1.8;display:block;font-size:13.5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:24px;font-size:13px;color:#727b9b;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .post-hero-grid{grid-template-columns:1fr;gap:38px}
  .poster{max-width:250px;margin:0 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .key-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .pit-wrap{grid-template-columns:1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;gap:12px;padding:14px 0;min-height:auto}
  .nav-tabs{margin-left:0;width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;gap:8px}
  .nav-tabs::-webkit-scrollbar{height:0}
  .section{padding:56px 0}
  .post-hero{padding:34px 0 56px}
  .hero-stats{margin-top:34px;padding-top:22px}
  .tier-row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .tier-row:hover{transform:none}
  .tier-range{text-align:left}
  .article-body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:560px){
  .brand-text{font-size:16px}
  .key-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .poster{max-width:220px}
  .post-lead{padding-left:14px;font-size:15px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0b0e1f;
  --ink-800:#12162e;
  --ink-700:#1a1f3d;
  --ink-600:#252c52;
  --gold:#ffb400;
  --gold-light:#ffd45e;
  --gold-dark:#b8830a;
  --cyan:#38e0d0;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#191e35;
  --muted:#6a7190;
  --line:#e3e7f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 12px rgba(20,25,55,.06);
  --shadow:0 12px 28px rgba(20,25,55,.09);
  --shadow-lg:0 22px 45px rgba(20,25,55,.15);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;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:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),92%);margin:0 auto}
section[id],div[id]{scroll-margin-top:96px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#151a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 8px 24px rgba(9,12,28,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;display:grid;place-items:center;
  font-weight:900;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11.5px;font-weight:500;letter-spacing:2.4px;color:#8f97b8;margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-tabs a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:#c3cae3;border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-tabs a:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.14)}
.nav-tabs a.active{
  color:#2a1e00;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  border-color:rgba(255,180,0,.6);
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-tabs a:active{transform:translateY(1px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s,color .22s;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#2a1e00;box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.46)}
.btn-ghost{
  background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.3);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.btn-outline{
  background:#fff;color:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ===== Hero（Bento 首屏） ===== */
.hero{
  position:relative;color:#fff;padding:66px 0 60px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(11,14,31,.9) 0%,rgba(11,14,31,.97) 100%),
    radial-gradient(circle at 84% 8%,rgba(56,224,208,.2),transparent 55%),
    radial-gradient(circle at 6% 92%,rgba(255,180,0,.17),transparent 52%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);
}
.hero-bento{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.6fr 1fr;
  gap:20px;align-items:stretch;
}
.hero-main{
  background:rgba(11,14,31,.55);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);
  padding:38px 34px;
  backdrop-filter:blur(7px);
  -webkit-backdrop-filter:blur(7px);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 16px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.5);
  color:var(--gold-light);font-size:13px;letter-spacing:1.2px;font-weight:600;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  font-size:clamp(26px,3.5vw,40px);
  line-height:1.3;letter-spacing:-.4px;font-weight:800;
  margin:20px 0 16px;
}
.hero h1 em{font-style:normal;color:var(--gold-light)}
.hero-lead{font-size:15.5px;line-height:1.95;color:#c4cbe2;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-side{display:grid;gap:16px;grid-template-rows:1fr 1fr}
.bento-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:22px;
  backdrop-filter:blur(7px);
  -webkit-backdrop-filter:blur(7px);
  transition:background .25s,border-color .25s,transform .25s;
}
.bento-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.bento-card .kicker{font-size:12px;letter-spacing:2px;color:var(--cyan);font-weight:700}
.bento-card .num{display:block;font-size:30px;font-weight:800;color:var(--gold-light);line-height:1.2;margin:8px 0 4px}
.bento-card .txt{font-size:13.5px;color:#a9b2cf;line-height:1.8}
.hero-cta-bar{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:18px 26px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(255,180,0,.16),rgba(56,224,208,.12));
  border:1px solid rgba(255,180,0,.35);
}
.hero-cta-bar p{font-size:15px;color:#e8ecf8;font-weight:600;margin:0}
.hero-cta-bar p span{color:var(--gold-light)}

/* ===== 通用板块 ===== */
.section{padding:74px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#f4f6fc 0%,#eef1fa 100%)}
.section-dark{background:linear-gradient(160deg,#12162e 0%,#1a1f3d 100%);color:#fff}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head.left{margin:0 0 40px;text-align:left;max-width:720px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;
  color:var(--gold-dark);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light)}
.section-head h2{
  font-size:clamp(22px,2.8vw,31px);line-height:1.36;font-weight:800;
  margin:13px 0 14px;letter-spacing:-.3px;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#aeb6d1}

/* ===== 数据条 ===== */
.stat-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:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.stat-card .num{display:block;font-size:29px;font-weight:800;color:var(--ink-700);line-height:1.2}
.stat-card .num small{font-size:14px;font-weight:700;color:var(--gold-dark);margin-left:4px}
.stat-card .lab{display:block;font-size:14px;color:var(--text);font-weight:600;margin-top:8px}
.stat-card .desc{display:block;font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:6px}

/* ===== 机制亮点卡片 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  position:relative;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.feature-card .badge{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;font-weight:900;font-size:16px;
  box-shadow:0 8px 16px rgba(255,180,0,.3);margin-bottom:16px;
}
.feature-card h3{font-size:18px;font-weight:800;line-height:1.4;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--ink-600);
  background:#f0f3fc;border:1px solid var(--line);
}
.tag-gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);color:var(--gold-dark)}

/* ===== 推进阶段（时间线） ===== */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(56,224,208,.55),rgba(255,180,0,.1));
  border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:8px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 5px rgba(255,180,0,.14);
}
.timeline-item h3{font-size:17px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.timeline-item .step{
  font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--gold-dark);
  background:rgba(255,180,0,.14);border-radius:6px;padding:3px 9px;
}
.timeline-item p{font-size:14.5px;color:var(--muted);line-height:1.9}

/* ===== 路线匹配（深色区） ===== */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.route-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:26px 24px;
  transition:transform .25s,background .25s,border-color .25s;
}
.route-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.5)}
.route-card .route-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.route-card h3{font-size:18px;font-weight:800;color:#fff}
.route-card .level{font-size:12px;font-weight:800;letter-spacing:1.2px;color:#2a1e00;background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:999px;padding:4px 12px}
.route-card p{font-size:14.5px;color:#aeb6d1;line-height:1.9}
.route-card ul{margin-top:14px;display:grid;gap:9px}
.route-card li{position:relative;padding-left:18px;font-size:14px;color:#cdd4e8;line-height:1.75}
.route-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--cyan)}

/* ===== 场景图文卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  display:grid;grid-template-columns:170px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.scene-card .thumb{position:relative;overflow:hidden;background:var(--ink-800)}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.scene-card:hover .thumb img{transform:scale(1.06)}
.scene-body{padding:22px 22px}
.scene-body h3{font-size:16.5px;font-weight:800;margin-bottom:9px}
.scene-body p{font-size:14px;color:var(--muted);line-height:1.85}

/* ===== 窗口判断（要点列表） ===== */
.window-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.window-list{display:grid;gap:14px}
.window-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.window-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(56,224,208,.5)}
.window-item .idx{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#e6fbf8,#c9f4ee);color:#0d6b62;font-weight:900;font-size:15px;
  border:1px solid rgba(56,224,208,.4);
}
.window-item h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.window-item p{font-size:14px;color:var(--muted);line-height:1.85}
.window-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.window-figure img{width:100%;height:100%;object-fit:cover;min-height:320px}
.window-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;
  background:linear-gradient(180deg,rgba(11,14,31,0),rgba(11,14,31,.88));
  color:#fff;font-size:13.5px;line-height:1.8;
}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
  font-size:15.5px;font-weight:700;color:var(--text);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--gold-dark);border-bottom:2px solid var(--gold-dark);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--gold-dark)}
.faq-answer{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.95}

/* ===== 内容列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink-800)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.post-tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.38);
  color:var(--gold-dark);font-weight:700;font-size:12px;
}
.post-card h3{font-size:16px;font-weight:800;line-height:1.5}
.post-card h3 a{transition:color .2s}
.post-card h3 a:hover{color:var(--gold-dark)}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.empty-tip{
  text-align:center;color:var(--muted);font-size:15px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:38px 20px;
}

/* ===== 收口 CTA ===== */
.cta-band{
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
  background:linear-gradient(120deg,rgba(255,180,0,.16),rgba(56,224,208,.12));
  border:1px solid rgba(255,180,0,.35);
  border-radius:var(--radius-lg);padding:34px 38px;
}
.cta-band h2{font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:#b9c1da;line-height:1.9;max-width:640px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4)}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,#0f1329 0%,#0b0e1f 100%);
  color:#aab2cd;padding:58px 0 26px;border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:13.5px;line-height:1.95;color:#8c94b3;max-width:330px}
.footer-col h3{font-size:14.5px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#9ba3c2;transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--gold-light);padding-left:4px}
.footer-col .plain{font-size:13.5px;color:#8c94b3;line-height:1.8}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.8px;color:#767e9c;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-bento{grid-template-columns:1fr}
  .hero-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .hero-main{padding:32px 28px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr 1fr}
  .route-grid{grid-template-columns:1fr 1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .window-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:30px 26px}
}
@media (max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start;gap:14px;padding:16px 0}
  .nav-tabs{margin-left:0;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .nav-tabs::-webkit-scrollbar{height:0}
  .section{padding:56px 0}
  .hero{padding:52px 0 48px}
  .hero-side{grid-template-columns:1fr}
  .hero-cta-bar{flex-direction:column;align-items:flex-start}
  .feature-grid{grid-template-columns:1fr}
  .route-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .scene-card{grid-template-columns:1fr}
  .scene-card .thumb{aspect-ratio:16/9}
  .post-grid{grid-template-columns:1fr}
  .timeline{padding-left:28px}
  .timeline-item::before{left:-28px}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .brand-text{font-size:16px}
  .brand-text small{letter-spacing:1.4px}
  .hero-main{padding:26px 20px}
  .feature-card,.stat-card,.route-card,.window-item{padding:20px 18px}
  .window-item{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --ink-900:#0b0e1f;
  --ink-800:#12162e;
  --ink-700:#1a1f3d;
  --ink-600:#252c52;
  --gold:#ffb400;
  --gold-light:#ffd45e;
  --gold-dark:#b8830a;
  --cyan:#38e0d0;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#191e35;
  --muted:#6a7190;
  --line:#e3e7f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 12px rgba(20,25,55,.06);
  --shadow:0 12px 28px rgba(20,25,55,.09);
  --shadow-lg:0 22px 45px rgba(20,25,55,.15);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;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:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(56,224,208,.75);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),92%);margin:0 auto}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#151a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 8px 24px rgba(9,12,28,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;padding:12px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;display:grid;place-items:center;
  font-weight:900;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11.5px;font-weight:500;letter-spacing:2.4px;color:#8f97b8;margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-tabs a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:#c3cae3;border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-tabs a:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.14)}
.nav-tabs a.active{
  color:#2a1e00;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  border-color:rgba(255,180,0,.6);
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-tabs a:active{transform:translateY(1px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s,color .22s;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#2a1e00;box-shadow:0 12px 26px rgba(255,180,0,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.46)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.btn-outline{background:#fff;color:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;padding:76px 0 66px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(11,14,31,.9) 0%,rgba(11,14,31,.96) 100%),
    radial-gradient(circle at 84% 10%,rgba(56,224,208,.22),transparent 55%),
    radial-gradient(circle at 10% 90%,rgba(255,180,0,.2),transparent 52%),
    url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:110px;
  background:linear-gradient(180deg,rgba(244,246,252,0),rgba(244,246,252,.14));
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.45fr .85fr;gap:46px;align-items:center;
}
.crumb{font-size:13px;color:#8f97b8;letter-spacing:.6px;margin-bottom:16px}
.crumb span{color:var(--gold-light)}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 18px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.5);
  color:var(--gold-light);font-size:13px;letter-spacing:1.2px;font-weight:600;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.28;font-weight:800;
  letter-spacing:-.5px;margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--gold-light)}
.hero-lead{font-size:15.5px;line-height:1.95;color:#c8cfe6;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-panel{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:0 20px 44px rgba(6,9,24,.45);
  backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:16.5px;font-weight:800;letter-spacing:.4px;color:#fff;margin-bottom:6px}
.hero-panel .panel-sub{font-size:13px;color:#9aa3c2;margin-bottom:18px}
.badge-list{display:grid;gap:11px;margin-bottom:20px}
.badge-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.8px;line-height:1.7;color:#d5dbef;
}
.badge-list .tick{
  flex-shrink:0;width:20px;height:20px;border-radius:7px;margin-top:2px;
  display:grid;place-items:center;font-size:11px;font-weight:900;
  background:rgba(56,224,208,.16);color:var(--cyan);border:1px solid rgba(56,224,208,.4);
}
.panel-note{
  font-size:12.6px;line-height:1.8;color:#98a1c0;
  border-top:1px dashed rgba(255,255,255,.18);padding-top:14px;margin-bottom:18px;
}
.hero-panel .btn{width:100%}

/* ===== 通用板块 ===== */
.section{padding:74px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#f4f6fc 0%,#eef1fa 100%)}
.section-dark{background:linear-gradient(160deg,#12162e 0%,#1a1f3d 100%);color:#fff}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.section-head.left{margin:0 0 40px;text-align:left;max-width:720px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;
  color:var(--gold-dark);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light)}
.section-head h2{font-size:clamp(22px,2.7vw,32px);line-height:1.36;font-weight:800;margin:12px 0 14px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:15.2px;line-height:1.9}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#adb5d0}

/* ===== 卡片系统 ===== */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:18px;font-weight:900;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(255,180,0,.18),rgba(56,224,208,.16));
  color:var(--gold-dark);border:1px solid rgba(255,180,0,.28);
}
.card h3{font-size:17.5px;font-weight:800;line-height:1.45;margin-bottom:10px}
.card p{font-size:14.4px;line-height:1.9;color:var(--muted)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.8px;
  padding:4px 11px;border-radius:999px;
  background:rgba(255,180,0,.13);color:var(--gold-dark);
  border:1px solid rgba(255,180,0,.32);margin-bottom:12px;
}

/* ===== 图文区块 ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);position:relative;background:var(--ink-800);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  font-size:13px;color:#e6ebfa;
  background:linear-gradient(180deg,rgba(11,14,31,0),rgba(11,14,31,.88));
}
.tick-list{display:grid;gap:16px;margin-top:26px}
.tick-list li{display:flex;gap:13px;align-items:flex-start}
.tick-list .mark{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;margin-top:2px;
  display:grid;place-items:center;font-size:12px;font-weight:900;
  background:var(--ink-700);color:var(--gold-light);
}
.tick-list strong{display:block;font-size:15.4px;font-weight:800;margin-bottom:4px}
.tick-list span.txt{font-size:14px;line-height:1.85;color:var(--muted)}

/* ===== 场景卡 ===== */
.scene{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;gap:10px}
.scene-body h3{font-size:17px;font-weight:800}
.scene-body p{font-size:14.2px;line-height:1.85;color:var(--muted)}
.scene-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:12.8px;color:var(--gold-dark);font-weight:700;letter-spacing:.5px;
}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:26px 24px 24px;transition:transform .25s,border-color .25s,background .25s;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.08)}
.step .no{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-size:14px;font-weight:900;color:#2a1e00;margin-bottom:16px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.step h3{font-size:16.5px;font-weight:800;color:#fff;margin-bottom:9px}
.step p{font-size:14px;line-height:1.88;color:#aeb6d2}

/* ===== 数据条 ===== */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.stat .val{
  display:block;font-size:clamp(24px,2.6vw,32px);font-weight:900;line-height:1.2;
  color:var(--gold-dark);letter-spacing:-.5px;
}
.stat .name{display:block;font-size:14.6px;font-weight:800;margin-top:6px}
.stat .desc{display:block;font-size:13.2px;line-height:1.8;color:var(--muted);margin-top:8px}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:grid;grid-template-columns:170px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.news-thumb{background:var(--ink-800);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;min-height:150px}
.news-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.news-body h3{font-size:16px;font-weight:800;line-height:1.5}
.news-body p{font-size:13.6px;line-height:1.8;color:var(--muted)}
.news-date{font-size:12.4px;color:#98a1c0;margin-top:auto;letter-spacing:.4px}
.empty-tip{
  text-align:center;font-size:14.5px;color:var(--muted);
  padding:38px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:#fbfcff;
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item:hover{border-color:rgba(255,180,0,.42);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-size:16px;font-weight:800;display:flex;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"?";flex-shrink:0;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;font-size:12.5px;font-weight:900;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#2a1e00;
}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:19px;font-weight:700;color:var(--gold-dark);
  transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 24px 22px 60px;font-size:14.4px;line-height:1.92;color:var(--muted)}

/* ===== 收口 CTA ===== */
.cta-band{
  background:
    linear-gradient(120deg,rgba(11,14,31,.94),rgba(26,31,61,.94)),
    radial-gradient(circle at 88% 20%,rgba(255,180,0,.24),transparent 55%),
    url('/assets/images/backpic/back-7.webp') center/cover no-repeat;
  color:#fff;border-radius:var(--radius-lg);
  padding:52px 46px;display:grid;grid-template-columns:1.4fr auto;gap:34px;align-items:center;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.1);
}
.cta-band h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-band p{font-size:14.6px;line-height:1.9;color:#bfc6de;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,#12162e 0%,#0b0e1f 100%);
  color:#aeb6d2;padding:60px 0 26px;margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:13.8px;line-height:1.9;color:#9aa3c2;max-width:320px}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#9aa3c2;transition:color .2s}
.footer-col a:hover{color:var(--gold-light)}
.footer-col .plain{font-size:13.4px;line-height:1.8;color:#8f97b8}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.8px;color:#7d86a6;letter-spacing:.4px;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero{padding:60px 0 54px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .header-inner{min-height:auto;gap:14px;padding:14px 0}
  .nav-tabs{margin-left:0;width:100%}
  .nav-tabs a{padding:8px 14px;font-size:13.6px}
  .brand-text{font-size:16.5px}
  .brand-text small{letter-spacing:1.8px}
  .grid-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr}
  .news-thumb img{min-height:190px}
  .faq-item p{padding-left:24px}
  .hero-panel{padding:22px 20px}
  .section-head{margin-bottom:34px}
  .section-head.left{margin-bottom:30px}
}
@media (max-width:520px){
  body{font-size:15.2px}
  .grid-4{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .cta-band{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .card,.scene-body{padding:22px 18px}
  .faq-item summary{padding:17px 18px;font-size:15px}
  .faq-item p{padding:0 18px 18px}
  .tick-list span.txt{font-size:13.4px}
}

/* roulang page: category3 */
:root{
  --ink-900:#0b0e1f;
  --ink-800:#12162e;
  --ink-700:#1a1f3d;
  --ink-600:#252c52;
  --gold:#ffb400;
  --gold-light:#ffd45e;
  --gold-dark:#b8830a;
  --cyan:#38e0d0;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#191e35;
  --muted:#6a7190;
  --line:#e3e7f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 12px rgba(20,25,55,.06);
  --shadow:0 12px 28px rgba(20,25,55,.09);
  --shadow-lg:0 22px 45px rgba(20,25,55,.15);
  --container:1180px;
}
html{-webkit-text-size-adjust:100%;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:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:min(var(--container),92%);margin:0 auto}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#151a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 8px 24px rgba(9,12,28,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
  color:#2a1e00;display:grid;place-items:center;
  font-weight:900;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11.5px;font-weight:500;letter-spacing:2.4px;color:#8f97b8;margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-tabs a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:#c3cae3;border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-tabs a:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.14)}
.nav-tabs a.active{
  color:#2a1e00;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  border-color:rgba(255,180,0,.6);
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-tabs a:active{transform:translateY(1px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s,color .22s;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#2a1e00;box-shadow:0 12px 26px rgba(255,180,0,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.46)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.btn-outline{background:#fff;color:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ===== Hero 杂志分栏 ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding:74px 0 82px;
  background:
    linear-gradient(120deg,rgba(11,14,31,.94) 0%,rgba(26,31,61,.9) 58%,rgba(11,14,31,.96) 100%),
    radial-gradient(circle at 84% 12%,rgba(56,224,208,.22),transparent 55%),
    radial-gradient(circle at 8% 90%,rgba(255,180,0,.2),transparent 52%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,31,0) 60%,rgba(11,14,31,.55) 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:52px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 18px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.5);
  color:var(--gold-light);font-size:13px;letter-spacing:1.2px;font-weight:600;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  font-size:clamp(28px,3.9vw,46px);line-height:1.26;letter-spacing:-.5px;
  font-weight:800;margin:22px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--gold-light)}
.hero-lead{font-size:clamp(15px,1.4vw,16.5px);line-height:1.95;color:#c3cbe4;max-width:610px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.hero-points li{font-size:13.5px;color:#a7b0cd;display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
.hero-pick{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  overflow:hidden;backdrop-filter:blur(6px);
  box-shadow:0 26px 55px rgba(5,8,20,.5);
}
.hero-pick img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pick-body{padding:24px 24px 26px}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:1px;
  background:rgba(56,224,208,.16);color:var(--cyan);border:1px solid rgba(56,224,208,.4);
}
.pick-body h2{font-size:19px;font-weight:800;margin:14px 0 10px;color:#fff;line-height:1.4}
.pick-body p{font-size:14px;line-height:1.85;color:#b3bbd6}
.pick-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.pick-stats div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:12px 14px}
.pick-stats dt{font-size:12px;color:#94 9dbd;color:#949dbd;letter-spacing:.5px}
.pick-stats dd{margin:4px 0 0;font-size:17px;font-weight:800;color:var(--gold-light)}

/* ===== 通用板块 ===== */
.section{padding:74px 0;background:var(--bg)}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#f4f6fc 0%,#eef1fa 100%)}
.section-dark{
  background:
    radial-gradient(circle at 88% 18%,rgba(56,224,208,.16),transparent 55%),
    linear-gradient(160deg,#12162e 0%,#1a1f3d 100%);
  color:#fff;
}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.6px;
  color:var(--gold-dark);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light)}
.section-head h2{
  font-size:clamp(22px,2.7vw,31px);line-height:1.36;font-weight:800;
  margin:12px 0 14px;letter-spacing:-.3px;color:var(--ink-700);
}
.section-dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:15px;line-height:1.92}
.section-dark .section-head p{color:#adb5d0}

/* ===== 数据卡 ===== */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dcee}
.reward-card{position:relative;overflow:hidden}
.reward-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.reward-k{display:block;font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--muted)}
.reward-v{display:block;font-size:26px;font-weight:900;color:var(--ink-700);margin:8px 0 10px;letter-spacing:-.5px}
.reward-card p{font-size:14px;line-height:1.85;color:var(--muted)}

/* ===== 分栏图文 ===== */
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:46px;align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:#0f1329;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.split-media:hover img{transform:scale(1.04)}
.tier-list{display:flex;flex-direction:column;gap:12px}
.tier-list li{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.tier-list li:hover{transform:translateX(4px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.tier-no{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:900;color:#2a1e00;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));
}
.tier-list h3{font-size:15.5px;font-weight:800;color:var(--ink-700);margin-bottom:4px}
.tier-list p{font-size:13.5px;line-height:1.8;color:var(--muted)}
.tier-tag{
  margin-left:auto;flex-shrink:0;align-self:flex-start;
  font-size:11.5px;font-weight:700;letter-spacing:.6px;color:var(--ink-600);
  background:#eef1fa;border:1px solid var(--line);border-radius:999px;padding:3px 11px;
}

/* ===== 步骤 ===== */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .25s,box-shadow .25s;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-no{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1.6px;
  color:var(--gold-dark);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.35);border-radius:999px;padding:4px 13px;
}
.step-card h3{font-size:17px;font-weight:800;color:var(--ink-700);margin:16px 0 10px}
.step-card p{font-size:14px;line-height:1.9;color:var(--muted)}

/* ===== 奖励档位 ===== */
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.plan-card.featured{
  border-color:rgba(255,180,0,.55);
  background:linear-gradient(180deg,#fffdf4 0%,#ffffff 42%);
  box-shadow:0 18px 38px rgba(255,180,0,.16);
}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.plan-head h3{font-size:18px;font-weight:800;color:var(--ink-700)}
.plan-rate{font-size:13px;font-weight:800;color:var(--gold-dark);letter-spacing:.5px}
.plan-card > p{font-size:14px;line-height:1.9;color:var(--muted)}
.plan-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.plan-list li{font-size:13.5px;line-height:1.75;color:var(--ink-600);display:flex;gap:9px;align-items:flex-start}
.plan-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;margin-top:9px;flex-shrink:0;
  background:var(--gold);
}

/* ===== 节奏偏好 ===== */
.fit-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 30px;box-shadow:var(--shadow-sm);
}
.fit-item{padding:18px 0;border-bottom:1px dashed var(--line)}
.fit-item:last-child{border-bottom:0;padding-bottom:0}
.fit-item:first-child{padding-top:0}
.fit-item h3{font-size:16px;font-weight:800;color:var(--ink-700);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.fit-item h3 span{
  font-size:11.5px;font-weight:700;letter-spacing:.6px;color:#0c4a44;
  background:rgba(56,224,208,.28);border-radius:999px;padding:3px 10px;
}
.fit-item p{font-size:14px;line-height:1.9;color:var(--muted)}
.fit-note{
  background:linear-gradient(160deg,#12162e,#1f2547);color:#fff;
  border-radius:var(--radius-lg);padding:32px 30px;height:100%;
  display:flex;flex-direction:column;justify-content:center;
  box-shadow:var(--shadow);
}
.fit-note h3{font-size:19px;font-weight:800;margin-bottom:14px;color:#fff}
.fit-note p{font-size:14px;line-height:1.95;color:#b6bed9}
.fit-note .metric{display:flex;align-items:baseline;gap:10px;margin-top:22px}
.fit-note .metric strong{font-size:32px;font-weight:900;color:var(--gold-light);line-height:1}
.fit-note .metric span{font-size:13px;color:#9aa3c2}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-card h3{font-size:16.5px;font-weight:800;line-height:1.55;color:var(--ink-700);margin-bottom:10px}
.news-card p{font-size:13.5px;line-height:1.85;color:var(--muted);flex:1}
.news-meta{
  display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line);font-size:12.5px;color:#8b93ae;
}
.news-meta span{color:var(--gold-dark);font-weight:700}
.empty-note{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:14.5px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px 20px;
}

/* ===== 专题标签 ===== */
.chip-cloud{display:flex;flex-wrap:wrap;gap:12px}
.chip-cloud span{
  display:inline-block;padding:10px 20px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-600);
  box-shadow:var(--shadow-sm);
  transition:transform .22s,border-color .22s,color .22s,box-shadow .22s;
}
.chip-cloud span:hover{
  transform:translateY(-2px);border-color:rgba(255,180,0,.6);color:var(--gold-dark);
  box-shadow:0 10px 22px rgba(20,25,55,.1);
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .22s,box-shadow .22s;
}
.faq-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-size:16px;font-weight:800;color:var(--ink-700);
  display:flex;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:700;color:var(--gold-dark);
  transition:transform .25s;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.5px;line-height:1.95;color:var(--muted)}

/* ===== 收口 CTA ===== */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);
  padding:42px 44px;
  background:rgba(255,255,255,.05);
  box-shadow:0 24px 50px rgba(5,8,20,.4);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:14.5px;line-height:1.9;color:#b3bbd6;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,#10142b 0%,#0b0e1f 100%);
  color:#a7b0cd;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;color:#8f97b8;max-width:330px}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.8px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#a7b0cd;transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-col .plain{font-size:13.5px;color:#8189a8;line-height:1.8}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#79819f;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-lead{max-width:none}
  .hero-pick{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:34px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start;gap:14px;padding:16px 0}
  .nav-tabs{margin-left:0;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .nav-tabs a{padding:8px 15px;font-size:14px}
  .hero{padding:56px 0 62px}
  .hero-actions .btn{flex:1 1 auto}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 26px}
  .footer-grid{grid-template-columns:1fr}
  .tier-tag{display:none}
}
@media (max-width:520px){
  .brand-text{font-size:16px}
  .brand-text small{letter-spacing:1.6px}
  .hero h1{font-size:26px}
  .pick-stats{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-actions{width:100%}
  .section{padding:52px 0}
  .card,.plan-card,.fit-panel,.fit-note{padding:22px 20px}
}