/* roulang page: index */
:root{
  --bg:#0A0B10;
  --panel:#14161F;
  --panel-2:#1A1D28;
  --primary:#14E8C4;
  --secondary:#7B5CFF;
  --accent:#FF6A2B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --text:#EAEDF5;
  --muted:#A7AEC2;
  --dim:#6E768C;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:104px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(10,11,16,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,11,16,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.48);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#06110F;font-size:15px;font-weight:700;
  box-shadow:0 6px 20px rgba(20,232,196,.35);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text);}
.brand:hover .brand-text{color:var(--primary);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-main .nav-link{
  position:relative;padding:8px 15px;border-radius:999px;
  font-size:15px;color:var(--muted);background:transparent;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-main .nav-link.active{color:var(--primary);background:rgba(20,232,196,.10);}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:9px;height:42px;padding:0 12px;
  border-radius:var(--radius-btn);min-width:236px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search:focus-within{
  border-color:rgba(20,232,196,.55);
  box-shadow:0 0 0 3px rgba(20,232,196,.14);
  background:rgba(255,255,255,.07);
}
.cmd-search i{color:var(--dim);font-size:13px;}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13.5px;}
.cmd-search input::placeholder{color:var(--dim);}
.cmd-search .kbd{
  font-size:11px;line-height:1.5;color:var(--dim);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;
}
.icon-btn{
  width:42px;height:42px;border-radius:var(--radius-btn);
  display:grid;place-items:center;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--muted);cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,232,196,.45);}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--radius-btn);display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);border:0;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#05100E;font-weight:600;font-size:15px;cursor:pointer;
  box-shadow:0 8px 26px rgba(20,232,196,.28);
  transition:filter .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-glow:hover{filter:brightness(1.08);transform:translateY(-2px);color:#05100E;box-shadow:0 12px 32px rgba(20,232,196,.36);}
.btn-glow:active{transform:translateY(0);filter:brightness(.98);}
.btn-glow[disabled]{opacity:.6;cursor:not-allowed;transform:none;filter:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(20,232,196,.5);
  color:var(--primary);font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(20,232,196,.10);box-shadow:inset 0 0 20px rgba(20,232,196,.18);transform:translateY(-2px);color:var(--primary);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;
  border-radius:10px;border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:600;
  transition:all .2s var(--ease);
}
.btn-line:hover{border-color:rgba(20,232,196,.5);color:var(--primary);}

/* ---------- 通用 ---------- */
.section{padding:var(--section-y) 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.section-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.28;margin-bottom:10px;}
.section-head .lead{color:var(--muted);font-size:15px;max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--primary);
}
.text-link i{font-size:12px;transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(3px);}
.glass{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.glass:hover{border-color:rgba(20,232,196,.45);box-shadow:var(--shadow-card);}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  background:rgba(123,92,255,.16);color:#B9A6FF;border:1px solid rgba(123,92,255,.32);
}
.tag-hot{background:rgba(255,106,43,.15);color:#FF9A6A;border-color:rgba(255,106,43,.35);}
.tag-ok{background:rgba(20,232,196,.13);color:var(--primary);border-color:rgba(20,232,196,.32);}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:96px 0 108px;}
.hero-bg{
  position:absolute;inset:0;z-index:-3;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(180deg,rgba(10,11,16,.80) 0%,rgba(10,11,16,.90) 52%,var(--bg) 100%),
    radial-gradient(1000px 520px at 12% 8%,rgba(20,232,196,.18),transparent 62%),
    radial-gradient(820px 440px at 88% 16%,rgba(123,92,255,.20),transparent 66%);
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:-1;opacity:.32;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 32%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 32%,#000,transparent 76%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(20,232,196,.10);border:1px solid rgba(20,232,196,.28);
  border-radius:999px;padding:6px 14px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;
  letter-spacing:.02em;
  margin-bottom:20px;
  max-width:14em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-badges{display:flex;flex-wrap:wrap;gap:10px 22px;}
.trust-badges span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.trust-badges i{color:var(--primary);font-size:13px;}

.hero-card{padding:26px 26px 22px;}
.hero-card .hc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.hero-card .hc-top strong{font-size:15px;}
.bar-list{display:grid;gap:16px;}
.bar-item .bar-head{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.bar-item .bar-head b{color:var(--text);font-weight:600;}
.bar-track{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--secondary));}
.hc-foot{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);
}
.hc-foot .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-strip .stat{padding:30px 22px;border-right:1px solid var(--line);}
.stat-strip .stat:last-child{border-right:0;}
.stat-strip .num{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--primary);letter-spacing:.02em;line-height:1.2;}
.stat-strip .num span{font-size:15px;color:var(--muted);margin-left:4px;font-weight:500;}
.stat-strip .lbl{font-size:12.5px;color:var(--dim);margin-top:6px;}

/* ---------- 阶梯 ---------- */
.tier-list{display:grid;gap:20px;}
.tier{
  position:relative;display:grid;grid-template-columns:190px 1fr 168px;gap:26px;align-items:center;
  padding:26px 28px 26px 34px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tier::before{
  content:"";position:absolute;left:14px;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));opacity:.8;
}
.tier:hover{border-color:rgba(20,232,196,.45);transform:translateY(-3px);box-shadow:var(--shadow-card);}
.tier-lv{font-size:12px;color:var(--dim);letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;}
.tier-name{font-size:19px;font-weight:700;}
.tier-desc{font-size:13.5px;color:var(--muted);margin-top:6px;}
.tier-points{display:flex;flex-wrap:wrap;gap:8px 20px;}
.tier-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.tier-points li i{color:var(--primary);font-size:12px;}
.tier-side{text-align:right;}
.tier-side .need{font-size:12.5px;color:var(--dim);display:block;margin-bottom:10px;}

/* ---------- 方案对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  position:relative;padding:30px 26px 28px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.plan:hover{border-color:rgba(20,232,196,.42);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.plan.featured{
  border-color:rgba(255,106,43,.55);
  box-shadow:0 22px 48px rgba(255,106,43,.12);
  transform:translateY(-8px);
}
.plan.featured:hover{transform:translateY(-12px);}
.plan-flag{
  position:absolute;top:-13px;left:26px;
  font-size:12px;font-weight:600;color:#180A03;
  background:linear-gradient(135deg,#FF6A2B,#FFA63D);
  padding:4px 12px;border-radius:999px;
}
.plan h3{font-size:19px;margin-bottom:8px;}
.plan .plan-note{font-size:13.5px;color:var(--muted);margin-bottom:20px;min-height:44px;}
.plan .plan-price{
  font-size:26px;font-weight:700;color:var(--primary);letter-spacing:.02em;
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:20px;
}
.plan .plan-price small{font-size:13px;color:var(--dim);font-weight:500;margin-left:6px;}
.plan ul{display:grid;gap:12px;margin-bottom:26px;}
.plan ul li{display:flex;gap:10px;font-size:14px;color:var(--muted);align-items:flex-start;}
.plan ul li i{color:var(--primary);font-size:12px;margin-top:6px;}
.plan .btn-ghost,.plan .btn-glow{width:100%;}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  display:grid;grid-template-columns:auto 1fr auto;gap:34px;align-items:center;
  padding:30px 34px;border-radius:var(--radius-card);
  background:linear-gradient(120deg,rgba(20,232,196,.14),rgba(123,92,255,.16));
  border:1px solid rgba(20,232,196,.30);
  box-shadow:inset 0 0 44px rgba(20,232,196,.10);
}
.cd-label{font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.cd-digits{display:flex;align-items:center;gap:8px;font-weight:700;font-size:27px;line-height:1;}
.cd-digits .unit{
  background:rgba(8,9,14,.72);border:1px solid var(--line);
  border-radius:10px;min-width:56px;text-align:center;padding:8px 6px;
  color:var(--primary);
}
.cd-colon{color:var(--primary);opacity:.7;}
.cd-mid .cd-title{font-size:15px;font-weight:600;margin-bottom:12px;}
.cd-progress{height:8px;border-radius:999px;background:rgba(8,9,14,.6);overflow:hidden;}
.cd-progress span{
  display:block;height:100%;width:72%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  animation:grow 1.2s var(--ease) both;
}
@keyframes grow{from{width:0;}}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{border-color:rgba(20,232,196,.45);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.news-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:11px;flex:1;}
.news-title{font-size:17px;line-height:1.48;font-weight:600;}
.news-title a:hover{color:var(--primary);}
.news-excerpt{
  font-size:14px;color:var(--muted);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--dim);margin-top:auto;}
.empty-state{
  grid-column:1 / -1;padding:56px 20px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
}
.empty-state i{font-size:26px;color:var(--dim);display:block;margin-bottom:14px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}

/* ---------- 表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;align-items:start;}
.form-panel{padding:32px 30px;border-radius:var(--radius-card);background:var(--panel);border:1px solid var(--line);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-input,.form-select{height:48px;padding:0 14px;}
.form-textarea{padding:13px 14px;min-height:112px;resize:vertical;line-height:1.7;}
.form-input::placeholder,.form-textarea::placeholder{color:var(--dim);}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:rgba(20,232,196,.6);background:rgba(255,255,255,.06);
  box-shadow:0 0 0 4px rgba(20,232,196,.13);
}
.form-select{appearance:none;-webkit-appearance:none;cursor:pointer;}
.select-wrap{position:relative;}
.select-wrap::after{
  content:"";position:absolute;right:17px;top:22px;width:8px;height:8px;
  border-right:2px solid var(--dim);border-bottom:2px solid var(--dim);
  transform:rotate(45deg);pointer-events:none;
}
.field-err{font-size:12.5px;color:#FF8A6A;margin-top:6px;display:none;}
.field.invalid .form-input,.field.invalid .form-textarea{border-color:rgba(255,106,43,.65);}
.field.invalid .field-err{display:block;}
.form-tip{font-size:12.5px;color:var(--dim);line-height:1.7;}
.side-panel{padding:28px 26px;border-radius:var(--radius-card);}
.side-panel h3{font-size:17px;margin-bottom:18px;}
.step-list{display:grid;gap:16px;margin-bottom:22px;}
.step-list li{display:flex;gap:12px;font-size:14px;color:var(--muted);}
.step-list .sn{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#05100E;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}
.privacy-note{
  font-size:12.5px;color:var(--dim);line-height:1.7;
  padding-top:16px;border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px;}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.faq .accordion-button{
  position:relative;width:100%;text-align:left;background:transparent;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
  min-height:60px;padding:19px 48px 19px 18px;border-radius:0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;
  width:8px;height:8px;margin:0;
  border-right:2px solid var(--dim);border-bottom:2px solid var(--dim);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
  background-image:none;background:none;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--primary);
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:62%;border-radius:3px;background:var(--primary);
  transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq .accordion-body{padding:0 48px 22px 18px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- CTA & 页脚 ---------- */
.footer-cta{
  padding:44px 40px;border-radius:var(--radius-card);
  background:linear-gradient(120deg,rgba(20,232,196,.15),rgba(123,92,255,.18));
  border:1px solid rgba(20,232,196,.28);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.footer-cta h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:8px;}
.footer-cta p{color:var(--muted);font-size:14.5px;margin:0;}

.site-footer{margin-top:26px;background:#070810;border-top:1px solid var(--line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{font-size:16px;}
.footer-about{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:380px;}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ---------- Offcanvas ---------- */
.offcanvas.offcanvas-dark{
  background:#0C0E15;color:var(--text);border-left:1px solid var(--line);width:320px;
}
.offcanvas-dark .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-dark .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7;}
.mobile-nav{display:grid;gap:6px;margin-top:8px;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--muted);
  background:rgba(255,255,255,.03);border:1px solid transparent;
}
.mobile-nav a:hover,.mobile-nav a.active{
  color:var(--primary);background:rgba(20,232,196,.10);border-color:rgba(20,232,196,.28);
}
.mobile-search{margin-top:18px;}
.mobile-cta{margin-top:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cmd-search{min-width:190px;}
  .tier{grid-template-columns:170px 1fr;gap:20px;}
  .tier-side{grid-column:1 / -1;text-align:left;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:991.98px){
  :root{--section-y:78px;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-4px);}
  .contact-wrap{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat:nth-child(2){border-right:0;}
  .stat-strip .stat:nth-child(1),.stat-strip .stat:nth-child(2){border-bottom:1px solid var(--line);}
  .countdown-bar{grid-template-columns:1fr;gap:22px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  :root{--section-y:60px;}
  .hero{padding:64px 0 72px;}
  .hero-bg{height:340px;}
  .hero h1{max-width:100%;}
  .nav-inner{height:66px;}
  .brand-text{font-size:15.5px;}
  .news-grid{grid-template-columns:1fr;}
  .tier{grid-template-columns:1fr;padding:22px 20px 22px 30px;gap:14px;}
  .tier::before{top:20px;bottom:20px;left:12px;}
  .tier-side{grid-column:auto;}
  .stat-strip .stat{padding:22px 16px;}
  .footer-cta{padding:30px 24px;}
  .form-panel{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cd-digits{font-size:22px;}
  .cd-digits .unit{min-width:46px;}
}
@media (max-width:519.98px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat-strip .stat:last-child{border-bottom:0;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#0A0B10;
  --panel:#14161F;
  --panel-soft:rgba(255,255,255,.05);
  --primary:#14E8C4;
  --secondary:#7B5CFF;
  --accent:#FF6A2B;
  --line:rgba(255,255,255,.10);
  --text:#EAEDF5;
  --text-2:#A7AEC2;
  --text-3:#6E768C;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 8px 26px rgba(20,232,196,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(20,232,196,.10),transparent 70%),
    radial-gradient(620px 420px at 92% 4%,rgba(123,92,255,.12),transparent 72%);
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.02em;line-height:1.25;margin:0;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{max-width:var(--container);padding-left:20px;padding-right:20px;margin:0 auto;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,11,16,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,11,16,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#06110F;
  font-weight:800;
  font-size:18px;
  box-shadow:0 8px 22px rgba(20,232,196,.28);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  background:linear-gradient(92deg,#EAEDF5 20%,#9CF3E2 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-main .nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-main .nav-link.active{color:var(--primary);}
.nav-main .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  transform:translateX(-50%);
  width:22px;height:3px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  box-shadow:0 0 12px rgba(20,232,196,.6);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:230px;
  padding:8px 10px 8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{
  border-color:rgba(20,232,196,.6);
  box-shadow:0 0 0 3px rgba(20,232,196,.14);
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box .kbd{
  font-size:11px;
  padding:2px 6px;
  border-radius:6px;
  border:1px solid var(--line);
  color:var(--text-3);
  background:rgba(255,255,255,.04);
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,232,196,.45);transform:translateY(-1px);}

/* ============ 按钮 ============ */
.btn-glow,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.btn-glow{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#06110F;
  box-shadow:var(--shadow-glow);
}
.btn-glow:hover{
  filter:brightness(1.08);
  transform:translateY(-2px);
  color:#06110F;
  box-shadow:0 14px 34px rgba(20,232,196,.34);
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(20,232,196,.45);
  color:var(--primary);
  box-shadow:inset 0 0 18px rgba(20,232,196,.10);
}
.btn-ghost:hover{
  background:rgba(20,232,196,.10);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  transition:all .2s var(--ease);
}
.btn-line:hover{color:var(--primary);border-color:rgba(20,232,196,.5);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13px;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-tight{padding:40px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);}
.sec-head h2 .accent{color:var(--primary);}
.sec-head p{color:var(--text-2);font-size:14px;margin:8px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.glass-card{
  background:var(--panel-soft);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.glass-card:hover{
  border-color:rgba(20,232,196,.45);
  box-shadow:var(--shadow-card);
  transform:translateY(-3px);
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-cat{
  background:rgba(123,92,255,.16);
  border:1px solid rgba(123,92,255,.42);
  color:#C3B4FF;
}
.badge-hot{
  background:rgba(255,106,43,.14);
  border:1px solid rgba(255,106,43,.45);
  color:#FFB08A;
}
.badge-ok{
  background:rgba(20,232,196,.12);
  border:1px solid rgba(20,232,196,.42);
  color:var(--primary);
}

/* ============ 面包屑 ============ */
.crumb-bar{
  padding:22px 0 4px;
}
.breadcrumb-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb-row a{color:var(--text-3);}
.breadcrumb-row a:hover{color:var(--primary);}
.breadcrumb-row .sep{color:rgba(255,255,255,.22);}
.breadcrumb-row .current{color:var(--primary);font-weight:600;}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 30px;}
.article-head h1{
  font-size:clamp(26px,3.6vw,44px);
  line-height:1.28;
  margin:16px 0 18px;
  max-width:920px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13px;
  color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--text-3);font-size:12px;}
.article-lead{
  color:var(--text-2);
  font-size:16px;
  max-width:860px;
  margin-top:18px;
}
.cover-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  aspect-ratio:21/9;
  background:#0d0f16;
}
.cover-frame img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.01);
  transition:transform .5s var(--ease);
}
.cover-frame:hover img{transform:scale(1.04);}
.cover-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,16,.05) 40%,rgba(10,11,16,.55));
}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:48px;
  align-items:start;
  padding-bottom:24px;
}
.article-main{min-width:0;max-width:800px;}
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  color:var(--text);
  margin:44px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:3px;height:.95em;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  box-shadow:0 0 12px rgba(20,232,196,.55);
}
.article-body h3{
  font-size:19px;
  color:var(--text);
  margin:32px 0 14px;
}
.article-body h4{
  font-size:17px;
  color:var(--text);
  margin:26px 0 12px;
}
.article-body p{margin:0 0 18px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,232,196,.35);}
.article-body strong{color:var(--text);}
.article-body ul,
.article-body ol{
  margin:0 0 20px;
  padding-left:0;
}
.article-body ul li,
.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.7;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}
.article-body ol{counter-reset:olm;}
.article-body ol li{counter-increment:olm;}
.article-body ol li::before{
  content:counter(olm);
  position:absolute;
  left:0;top:.12em;
  width:18px;height:18px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;
  color:#06110F;
  border-radius:6px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 14px 14px 0;
  background:rgba(20,232,196,.06);
  color:var(--text);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:12px;
  margin:22px 0 8px;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:12px;
  color:var(--text-3);
  text-align:center;
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:14.5px;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{
  color:var(--text);
  background:rgba(255,255,255,.04);
  font-weight:600;
}
.article-body hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
  margin:38px 0;
}
.divider-soft{
  height:1px;
  margin:36px 0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
}

/* ============ 目录 ============ */
.toc-card{
  position:sticky;
  top:96px;
  padding:20px;
  border-radius:var(--radius-card);
  background:var(--panel-soft);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
}
.toc-card h3{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:7px 10px 7px 12px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.5;
  transition:all .2s var(--ease);
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.toc-list a.is-active{
  color:var(--primary);
  border-left-color:var(--primary);
  background:rgba(20,232,196,.08);
}
.toc-list .lv3 a{padding-left:24px;font-size:13px;color:var(--text-3);}
.toc-empty{font-size:13px;color:var(--text-3);}

.side-stack{display:flex;flex-direction:column;gap:20px;margin-top:20px;}
.side-card{
  padding:20px;
  border-radius:var(--radius-card);
  background:var(--panel-soft);
  border:1px solid var(--line);
}
.side-card h3{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
}
.hot-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:10px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
  font-size:14px;
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list .idx{
  flex:0 0 22px;
  height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:7px;
  font-size:12px;font-weight:700;
  color:#06110F;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}
.hot-list .idx.plain{
  background:rgba(255,255,255,.06);
  color:var(--text-3);
}
.hot-list a{color:var(--text-2);line-height:1.55;}
.hot-list a:hover{color:var(--primary);}
.cta-card{
  padding:22px;
  border-radius:var(--radius-card);
  border:1px solid rgba(20,232,196,.32);
  background:linear-gradient(160deg,rgba(20,232,196,.12),rgba(123,92,255,.12));
}
.cta-card h3{
  font-size:17px;
  color:var(--text);
  letter-spacing:0;
  margin-bottom:8px;
}
.cta-card p{font-size:13.5px;color:var(--text-2);margin-bottom:16px;}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;
  padding:64px 24px;
  border-radius:var(--radius-card);
  border:1px dashed var(--line);
  background:rgba(255,255,255,.02);
}
.empty-state .icon{
  width:56px;height:56px;
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-3);
  font-size:22px;
}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{color:var(--text-3);font-size:14px;margin-bottom:20px;}

/* ============ 相关推荐 ============ */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  overflow:hidden;
  display:flex;
  flex-direction:column;
  height:100%;
}
.rel-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#0d0f16;
}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rel-card:hover .rel-cover img{transform:scale(1.05);}
.rel-body{padding:18px 20px 22px;}
.rel-body h3{
  font-size:17px;
  margin:12px 0 10px;
  line-height:1.45;
}
.rel-body h3 a{color:var(--text);}
.rel-body h3 a:hover{color:var(--primary);}
.rel-body p{font-size:13.5px;color:var(--text-2);margin-bottom:12px;}
.rel-meta{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--text-3);
}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:14px;
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--primary);border-color:rgba(20,232,196,.5);}

/* ============ 上下篇 ============ */
.pager-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.pager-card{
  padding:20px 22px;
  border-radius:var(--radius-card);
  background:var(--panel-soft);
  border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.pager-card:hover{border-color:rgba(20,232,196,.45);transform:translateY(-3px);}
.pager-card .tip{
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.08em;
  display:flex;align-items:center;gap:8px;
  margin-bottom:8px;
}
.pager-card strong{font-size:15px;color:var(--text);display:block;line-height:1.5;}
.pager-card.next{text-align:right;}
.pager-card.next .tip{justify-content:flex-end;}

/* ============ 底部 CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  border:1px solid rgba(20,232,196,.28);
  background:
    radial-gradient(520px 240px at 8% 0%,rgba(20,232,196,.18),transparent 68%),
    radial-gradient(520px 240px at 96% 100%,rgba(123,92,255,.2),transparent 70%),
    rgba(255,255,255,.03);
  padding:40px 38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:14.5px;margin:0;max-width:640px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  padding:56px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.footer-brand strong{font-size:17px;}
.footer-about{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:360px;}
.footer-col h4{
  font-size:14px;
  color:var(--text);
  margin-bottom:14px;
  letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 移动端抽屉 ============ */
.offcanvas.offcanvas-end{
  background:#101219;
  color:var(--text);
  border-left:1px solid var(--line);
  width:min(88vw,340px);
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:700;}
.offcanvas-body{padding:20px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.07);
  color:var(--text-2);
  font-size:15px;
}
.drawer-nav a:hover,
.drawer-nav a.active{color:var(--primary);}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  margin-bottom:18px;
}
.drawer-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0;
}
.drawer-cta{margin-top:22px;}
.btn-close-custom{
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-main{max-width:100%;}
  .article-side{margin-top:36px;}
  .toc-card{position:static;}
}
@media (max-width:991.98px){
  .header-inner{min-height:64px;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
  .cta-band{padding:32px 26px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .cover-frame{aspect-ratio:16/10;}
  .article-body h2{margin-top:34px;}
  .pager-row{grid-template-columns:minmax(0,1fr);}
  .pager-card.next{text-align:left;}
  .pager-card.next .tip{justify-content:flex-start;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:clamp(23px,6.4vw,30px);}
  .btn-glow,.btn-ghost{padding:10px 18px;font-size:14px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn-glow,
  .cta-band .actions .btn-ghost{flex:1;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0B10;
  --panel:#14161F;
  --panel-soft:rgba(255,255,255,.05);
  --primary:#14E8C4;
  --secondary:#7B5CFF;
  --accent:#FF6A2B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --text:#EAEDF5;
  --muted:#A7AEC2;
  --dim:#6E768C;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow:0 8px 26px rgba(20,232,196,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --bs-body-bg:#0A0B10;
  --bs-body-color:#EAEDF5;
  --bs-primary:#14E8C4;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-link-color:#14E8C4;
  --bs-link-hover-color:#7B5CFF;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.02em;}
p{margin:0;}
::selection{background:rgba(20,232,196,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 头部导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;transition:background .22s var(--ease),border-color .22s var(--ease),backdrop-filter .22s var(--ease);border-bottom:1px solid transparent;}
.site-header.scrolled{background:rgba(10,11,16,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:17px;color:#04140F;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 6px 18px rgba(20,232,196,.28);}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-main .nav-link{position:relative;padding:9px 15px;border-radius:var(--r-pill);font-size:14.5px;color:var(--muted);white-space:nowrap;}
.nav-main .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-main .nav-link.active{color:var(--primary);}
.nav-main .nav-link.active::after{content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.command-search{display:flex;align-items:center;gap:9px;padding:8px 11px;border-radius:var(--r-btn);background:rgba(255,255,255,.05);border:1px solid var(--line);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);cursor:text;}
.command-search i{color:var(--dim);font-size:13px;}
.command-search input{background:transparent;border:0;outline:0;width:146px;font-size:14px;color:var(--text);}
.command-search input::placeholder{color:var(--dim);}
.command-search:focus-within{border-color:rgba(20,232,196,.55);box-shadow:0 0 0 3px rgba(20,232,196,.14);}
.command-search .kbd{font-size:11px;color:var(--dim);border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.4;}
.btn-icon{width:42px;height:42px;display:inline-grid;place-items:center;border-radius:var(--r-btn);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;transition:.2s var(--ease);}
.btn-icon:hover{border-color:rgba(20,232,196,.5);color:var(--primary);}

/* ============ 按钮 / 标签 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-btn);font-weight:600;font-size:15px;padding:12px 22px;line-height:1.2;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.btn-glow{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#04140F;box-shadow:var(--glow);}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04140F;box-shadow:0 12px 32px rgba(20,232,196,.36);}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line-strong);}
.btn-ghost:hover{border-color:rgba(20,232,196,.6);color:var(--primary);box-shadow:inset 0 0 22px rgba(20,232,196,.12);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--muted);}
.badge-live{color:var(--primary);border-color:rgba(20,232,196,.35);background:rgba(20,232,196,.08);}
.badge-accent{color:var(--accent);border-color:rgba(255,106,43,.4);background:rgba(255,106,43,.1);}

/* ============ 板块通用 ============ */
.section{padding:100px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),transparent);}
.section-title{font-size:clamp(23px,2.8vw,34px);}
.section-sub{color:var(--muted);font-size:16px;margin-top:14px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 首屏 ============ */
.page-hero{position:relative;padding:164px 0 92px;overflow:hidden;
  background:linear-gradient(180deg,rgba(10,11,16,.74) 0%,rgba(10,11,16,.9) 56%,var(--bg) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 28% 38%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 28% 38%,#000 0%,transparent 72%);}
.hero-content{position:relative;z-index:2;max-width:860px;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--dim);margin-bottom:24px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--primary);}
.hero-title{font-size:clamp(30px,4.2vw,52px);line-height:1.2;letter-spacing:.02em;}
.hero-lead{color:var(--muted);font-size:clamp(16px,1.6vw,18px);margin-top:20px;max-width:680px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:46px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats .stat-item .num{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--text);}
.hero-stats .stat-item .num em{font-style:normal;color:var(--primary);}
.hero-stats .stat-item .cap{font-size:13px;color:var(--dim);margin-top:4px;}

/* ============ 图文交错 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split + .split{margin-top:104px;}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--panel);aspect-ratio:16/11;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,11,16,.02),rgba(10,11,16,.55));}
.split-index{position:absolute;top:16px;left:16px;z-index:2;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--primary);background:rgba(10,11,16,.68);border:1px solid rgba(20,232,196,.35);border-radius:var(--r-pill);padding:5px 14px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
.split.reverse .split-media{order:2;}
.split-body h2{font-size:clamp(21px,2.2vw,28px);}
.split-body .split-lead{color:var(--muted);font-size:15.5px;margin-top:14px;}
.point-list{margin-top:24px;display:grid;gap:14px;}
.point-list li{display:flex;gap:12px;font-size:15.5px;color:var(--muted);}
.point-list li i{color:var(--primary);font-size:13px;margin-top:7px;flex-shrink:0;}

/* ============ 指标条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel-soft);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.stat-strip .stat{padding:28px 26px;border-left:1px solid var(--line);}
.stat-strip .stat:first-child{border-left:0;}
.stat-strip .num{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.stat-strip .num span{color:var(--primary);}
.stat-strip .cap{font-size:13px;color:var(--dim);margin-top:6px;}

/* ============ 场景清单 ============ */
.scene-list{display:grid;gap:16px;}
.scene{position:relative;display:grid;grid-template-columns:60px 1fr;gap:18px;align-items:start;padding:24px 28px 24px 22px;background:var(--panel-soft);border:1px solid var(--line);border-left:3px solid rgba(20,232,196,.45);border-radius:var(--r-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:.22s var(--ease);}
.scene:hover{border-color:rgba(20,232,196,.45);border-left-color:var(--primary);transform:translateX(4px);box-shadow:var(--shadow-card);}
.scene .idx{font-size:19px;font-weight:700;color:var(--primary);letter-spacing:.06em;}
.scene h3{font-size:18px;}
.scene p{color:var(--muted);font-size:15px;margin-top:6px;}

/* ============ 内链卡 ============ */
.link-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.link-card{display:block;padding:32px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--panel-soft);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:.22s var(--ease);}
.link-card:hover{border-color:rgba(20,232,196,.45);box-shadow:var(--shadow-card);transform:translateY(-4px);}
.link-card .badge-soft{margin-bottom:16px;}
.link-card h3{font-size:20px;}
.link-card p{color:var(--muted);font-size:15px;margin-top:10px;}
.link-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--primary);font-size:14.5px;font-weight:600;}
.link-card:hover .go i{transform:translateX(4px);}
.link-card .go i{transition:transform .2s var(--ease);font-size:13px;}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:24px;padding:58px 44px;text-align:center;
  background:linear-gradient(120deg,rgba(20,232,196,.14),rgba(123,92,255,.16)),var(--panel);
  border:1px solid rgba(20,232,196,.28);box-shadow:0 24px 60px rgba(0,0,0,.5);}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);}
.cta-band p{color:var(--muted);font-size:16px;margin-top:14px;max-width:640px;margin-left:auto;margin-right:auto;}
.cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 移动端抽屉 ============ */
.offcanvas{background:var(--panel);color:var(--text);border-left:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.offcanvas-title{font-size:16px;font-weight:700;}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.65;}
.mobile-nav{display:grid;gap:6px;margin-top:10px;}
.mobile-nav a{padding:12px 14px;border-radius:12px;color:var(--muted);font-size:15px;border:1px solid transparent;}
.mobile-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.mobile-nav a.active{color:var(--primary);border-color:rgba(20,232,196,.35);background:rgba(20,232,196,.08);}
.offcanvas .command-search{width:100%;}
.offcanvas .command-search input{width:100%;}
.mobile-cta{margin-top:20px;display:block;}
.mobile-cta .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{padding:76px 0 32px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;}
.footer-brand strong{font-weight:700;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:15px;border-radius:10px;}
.footer-about{color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:420px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:14.5px;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--dim);font-size:13px;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .command-search input{width:118px;}
}
@media (max-width:991.98px){
  .section{padding:76px 0;}
  .section-tight{padding:60px 0;}
  .page-hero{padding:138px 0 74px;}
  .split{gap:40px;}
  .split + .split{margin-top:76px;}
  .hero-stats{gap:34px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat:nth-child(3){border-left:0;border-top:1px solid var(--line);}
  .stat-strip .stat:nth-child(4){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .page-hero{padding:124px 0 64px;background-position:center top;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:64px;}
  .link-cards{grid-template-columns:1fr;}
  .scene{grid-template-columns:1fr;gap:8px;}
  .cta-band{padding:38px 22px;border-radius:20px;}
  .hero-stats{gap:24px;margin-top:36px;}
  .brand-text{font-size:15.5px;}
  .header-inner{height:68px;gap:12px;}
  .footer-bottom{font-size:12.5px;}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-left:0;border-top:1px solid var(--line);padding:22px 20px;}
  .stat-strip .stat:first-child{border-top:0;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .footer-brand{font-size:16px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0B10;
  --panel:#14161F;
  --panel-2:rgba(255,255,255,.05);
  --brand:#14E8C4;
  --brand-2:#7B5CFF;
  --accent:#FF6A2B;
  --text:#EAEDF5;
  --muted:#A7AEC2;
  --dim:#6E768C;
  --line:rgba(255,255,255,.10);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow-hover:0 18px 44px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-gap:110px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(20,232,196,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(123,92,255,.10), transparent 60%);
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#7ff5df;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.02em;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18;}
h2{font-size:clamp(23px,2.8vw,34px);}
h3{font-size:19px;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{max-width:1240px;padding-left:24px;padding-right:24px;position:relative;z-index:1;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(10,11,16,.55);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,11,16,.86);
  border-bottom-color:var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#06120F;
  font-weight:800;
  font-size:17px;
  box-shadow:0 8px 22px rgba(20,232,196,.28);
}
.nav-main{
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-main .nav-link{
  position:relative;
  color:var(--muted);
  font-size:15px;
  padding:8px 14px;
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-main .nav-link.active{
  color:var(--brand);
  background:rgba(20,232,196,.10);
}
.nav-main .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.command-search{
  display:flex;
  align-items:center;
  gap:10px;
  width:230px;
  padding:9px 12px;
  border-radius:var(--radius-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{
  border-color:rgba(20,232,196,.65);
  box-shadow:0 0 0 3px rgba(20,232,196,.14);
}
.command-search i{color:var(--dim);font-size:13px;}
.command-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:none;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.command-search input::placeholder{color:var(--dim);}
.command-search kbd{
  font-size:11px;
  color:var(--muted);
  background:rgba(255,255,255,.07);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  font-family:inherit;
}
.btn{
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:15px;
  padding:11px 22px;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-cta{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#06120F;
  box-shadow:0 8px 26px rgba(20,232,196,.28);
}
.btn-cta:hover,.btn-cta:focus{
  color:#06120F;
  filter:brightness(1.08);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:rgba(20,232,196,.55);
  box-shadow:inset 0 0 18px rgba(20,232,196,.12);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:#7ff5df;
  border-color:var(--brand);
  background:rgba(20,232,196,.08);
  transform:translateY(-2px);
}
.btn-sm-pill{padding:9px 18px;font-size:14px;}
.menu-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
}
.menu-btn:hover{border-color:rgba(20,232,196,.5);color:var(--brand);}

.offcanvas{
  background:var(--panel);
  color:var(--text);
  border-left:1px solid var(--line);
}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-size:16px;font-weight:700;}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8);}
.drawer-nav a{
  display:block;
  padding:13px 4px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.drawer-nav a.active{color:var(--brand);}
.drawer-nav a:hover{color:var(--text);}
.drawer-search{
  display:flex;align-items:center;gap:10px;
  padding:11px 13px;
  margin:20px 0 16px;
  border-radius:var(--radius-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.drawer-search input{background:transparent;border:none;outline:none;flex:1;min-width:0;font-size:14px;}
.drawer-search i{color:var(--dim);}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 4px;}
.breadcrumb{background:none;margin:0;font-size:13px;color:var(--dim);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{margin:0 8px;color:var(--dim);}
.breadcrumb .current{color:var(--brand);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:64px 0 84px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,11,16,.82) 0%,rgba(10,11,16,.72) 48%,rgba(10,11,16,.96) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.9;
  z-index:0;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(600px 300px at 20% 20%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(600px 300px at 20% 20%,#000,transparent 78%);
  z-index:0;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  color:var(--brand);
  background:rgba(20,232,196,.10);
  border:1px solid rgba(20,232,196,.26);
  margin-bottom:20px;
}
.hero-sub{
  color:var(--muted);
  font-size:clamp(15px,1.2vw,18px);
  max-width:660px;
  margin:18px 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  margin-top:48px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  max-width:820px;
}
.metric{
  background:rgba(20,22,31,.78);
  padding:22px 24px;
}
.metric .num{
  font-size:clamp(24px,2.4vw,32px);
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric .lbl{font-size:13px;color:var(--dim);margin-top:6px;}

/* ---------- sections ---------- */
section{position:relative;z-index:1;}
.section{padding:96px 0;}
.section-tight{padding-top:0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-eyebrow{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--brand-2);
  font-weight:600;
  margin-bottom:12px;
  text-transform:uppercase;
}
.sec-head p{color:var(--muted);margin:14px 0 0;font-size:15.5px;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:28px;
  left:7%;
  right:7%;
  height:2px;
  background:linear-gradient(90deg,rgba(20,232,196,.55),rgba(123,92,255,.55));
  z-index:0;
}
.tl-step{position:relative;z-index:1;}
.tl-num{
  width:56px;height:56px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--panel);
  border:1px solid rgba(20,232,196,.5);
  color:var(--brand);
  font-weight:700;
  font-size:19px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(20,232,196,.06);
  margin-bottom:22px;
}
.tl-step h3{font-size:18px;margin-bottom:10px;}
.tl-step p{color:var(--muted);font-size:14.5px;margin:0;}

/* ---------- wide cards ---------- */
.wide-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.wide-card{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.wide-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,232,196,.45);
  box-shadow:var(--shadow-hover);
}
.wide-card .thumb{
  aspect-ratio:16/9;
  width:100%;
  object-fit:cover;
}
.wide-card .body{padding:26px 28px 30px;}
.wide-card h3{font-size:20px;margin-bottom:12px;}
.wide-card p{color:var(--muted);font-size:15px;margin:0;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  color:var(--brand-2);
  background:rgba(123,92,255,.14);
  border:1px solid rgba(123,92,255,.28);
}
.chip.hot{
  color:var(--accent);
  background:rgba(255,106,43,.14);
  border-color:rgba(255,106,43,.30);
}

/* ---------- coverage list ---------- */
.cover-panel{
  background:linear-gradient(135deg,rgba(20,232,196,.07),rgba(123,92,255,.07));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:44px 44px 38px;
}
.cover-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px 40px;
  margin-top:28px;
}
.cover-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.cover-item i{color:var(--brand);margin-top:6px;font-size:14px;}
.cover-item strong{display:block;font-size:15.5px;font-weight:600;}
.cover-item span{font-size:13.5px;color:var(--dim);}

/* ---------- faq ---------- */
.faq-list .accordion-item{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card)!important;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.faq-list .accordion-button{
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:16px;
  padding:20px 24px;
  min-height:62px;
  box-shadow:none;
  border:none;
}
.faq-list .accordion-button:not(.collapsed){
  color:var(--brand);
  background:rgba(20,232,196,.06);
  border-left:3px solid var(--brand);
}
.faq-list .accordion-button:focus{box-shadow:none;outline:none;}
.faq-list .accordion-button::after{
  content:"";
  background-image:none;
  width:10px;height:10px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg);
  margin-top:-4px;
  transition:transform .24s var(--ease);
}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:2px;}
.faq-list .accordion-body{
  color:var(--muted);
  font-size:15px;
  padding:4px 24px 24px;
  border-top:1px solid var(--line);
}

/* ---------- cross links ---------- */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.cross-card{
  display:block;
  padding:32px 30px;
  border-radius:var(--radius-card);
  background:var(--panel-2);
  border:1px solid var(--line);
  color:var(--text);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cross-card:hover{
  color:var(--text);
  transform:translateY(-4px);
  border-color:rgba(20,232,196,.45);
  box-shadow:var(--shadow-hover);
}
.cross-card .k{font-size:12px;color:var(--brand-2);letter-spacing:.1em;margin-bottom:12px;display:block;}
.cross-card h3{font-size:20px;margin-bottom:10px;}
.cross-card p{color:var(--muted);font-size:14.5px;margin:0 0 16px;}
.cross-card .go{color:var(--brand);font-size:14px;font-weight:600;}

/* ---------- CTA band ---------- */
.cta-band{
  margin:0 0 110px;
}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  padding:52px 48px;
  background:linear-gradient(120deg,rgba(20,232,196,.16),rgba(123,92,255,.18));
  border:1px solid rgba(20,232,196,.30);
  box-shadow:0 20px 60px rgba(20,232,196,.10);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--muted);margin:0;font-size:15px;max-width:620px;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(20,22,31,.6);
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{font-size:16px;}
.footer-about{color:var(--dim);font-size:14px;max-width:420px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--dim);
  font-size:13px;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  :root{--section-gap:76px;}
  .section{padding:76px 0;}
  .cta-band{margin-bottom:80px;}
  .cat-hero{padding:48px 0 64px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .timeline::before{display:none;}
  .wide-grid{grid-template-columns:1fr;}
  .cover-panel{padding:32px 26px 28px;}
  .cover-grid{grid-template-columns:1fr;gap:6px;}
  .cross-grid{grid-template-columns:1fr;}
  .hero-metrics{max-width:100%;}
}
@media (max-width:767.98px){
  .cat-hero::before{
    background:linear-gradient(180deg,rgba(10,11,16,.80) 0%,rgba(10,11,16,.86) 60%,var(--bg) 100%),
               url('/assets/images/backpic/back-2.png') center top/cover no-repeat;
  }
  .hero-metrics{grid-template-columns:1fr;}
  .metric{border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:none;}
  .cta-inner{padding:34px 24px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-list .accordion-button{font-size:15px;padding:16px 18px;}
  .faq-list .accordion-body{padding:4px 18px 20px;}
  .wide-card .body{padding:22px 20px 24px;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:64px 0;}
  .timeline{grid-template-columns:1fr;gap:22px;}
  .hero-actions .btn{width:100%;text-align:center;}
  .cross-card{padding:26px 22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0B10;
  --panel:#14161F;
  --panel-2:#191C26;
  --primary:#14E8C4;
  --primary-soft:rgba(20,232,196,.14);
  --accent:#7B5CFF;
  --hot:#FF6A2B;
  --text:#EAEDF5;
  --text-2:#A7AEC2;
  --text-3:#6E768C;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 8px 26px rgba(20,232,196,.28);
  --container:1240px;
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#14E8C4;
  --bs-body-bg:#0A0B10;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-weight:600}

.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
.section{padding:96px 0}
.section-tight{padding:64px 0}
@media(max-width:991.98px){.section{padding:72px 0}}
@media(max-width:767.98px){.section{padding:56px 0}.section-tight{padding:48px 0}}

/* ---------- 按钮 ---------- */
.btn-neon{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:13px 26px;border:0;border-radius:var(--radius-btn);cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.02em;color:#06110E;
  background:linear-gradient(120deg,var(--primary),var(--accent));
  box-shadow:var(--shadow-glow);transition:transform var(--t),filter var(--t),box-shadow var(--t);
}
.btn-neon:hover{transform:translateY(-2px);filter:brightness(1.08);color:#06110E;box-shadow:0 14px 32px rgba(20,232,196,.34)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:12px 24px;border-radius:var(--radius-btn);cursor:pointer;
  font-size:15px;font-weight:600;color:var(--primary);
  background:transparent;border:1px solid rgba(20,232,196,.55);
  box-shadow:inset 0 0 20px rgba(20,232,196,.10);
  transition:background var(--t),color var(--t),transform var(--t),border-color var(--t);
}
.btn-ghost:hover{background:rgba(20,232,196,.12);transform:translateY(-2px);color:var(--primary);border-color:var(--primary)}
.btn-sm-neon{padding:9px 18px;font-size:14px;border-radius:10px}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(123,92,255,.16);color:#C3B4FF;border:1px solid rgba(123,92,255,.34);
}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;
  background:rgba(255,106,43,.14);color:#FFB68F;border:1px solid rgba(255,106,43,.34);
}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:var(--hot);box-shadow:0 0 10px var(--hot)}
.tag-chip{
  display:inline-block;padding:4px 11px;border-radius:var(--radius-pill);font-size:12px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.04);
}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:rgba(10,11,16,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav-shell{display:flex;align-items:center;gap:18px;height:76px}
.brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#06110E;font-weight:800;font-size:16px;box-shadow:0 8px 22px rgba(20,232,196,.28);
}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-main .nav-link{
  position:relative;padding:8px 15px;border-radius:var(--radius-pill);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color var(--t),background var(--t);
}
.nav-main .nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-main .nav-link.active{color:var(--primary)}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;height:42px;min-width:238px;padding:0 13px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.cmd-search:focus-within{border-color:rgba(20,232,196,.55);box-shadow:0 0 0 3px rgba(20,232,196,.12)}
.cmd-search i{color:var(--text-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;font-size:14px;color:var(--text)}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-search .kbd{
  font-size:11px;letter-spacing:.04em;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.04);
}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text-2);
  cursor:pointer;transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,232,196,.5);background:rgba(20,232,196,.10)}
.offcanvas{background:#0E1017;color:var(--text);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.mobile-nav .nav-link{
  display:block;padding:13px 16px;border-radius:var(--radius-btn);
  color:var(--text-2);font-size:16px;font-weight:600;border:1px solid transparent;
}
.mobile-nav .nav-link:hover,.mobile-nav .nav-link.active{
  color:var(--primary);background:rgba(20,232,196,.10);border-color:rgba(20,232,196,.28);
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:106px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:rgba(255,255,255,.22)}
.crumbs .current{color:var(--primary);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:44px 0 84px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(880px 420px at 10% 6%,rgba(20,232,196,.18),transparent 62%),
    radial-gradient(720px 400px at 90% 26%,rgba(123,92,255,.18),transparent 64%),
    linear-gradient(180deg,rgba(10,11,16,.80),rgba(10,11,16,.97));
}
.page-hero .container{position:relative;z-index:2}
.hero-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:700;line-height:1.2;letter-spacing:.02em;
  margin-bottom:18px;max-width:16em;
}
.page-hero h1 .hl{color:var(--primary)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px}
.metric-chip{
  flex:1 1 150px;min-width:140px;padding:16px 18px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);backdrop-filter:blur(10px);
}
.metric-chip .v{font-size:24px;font-weight:700;color:var(--primary);line-height:1.2}
.metric-chip .k{font-size:12px;color:var(--text-3);margin-top:4px}
.glass-card{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:rgba(255,255,255,.05);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:26px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.glass-card:hover{border-color:rgba(20,232,196,.45);box-shadow:var(--shadow-card)}
.glass-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.glass-head h3{font-size:17px;font-weight:700}
.gauge{margin-bottom:18px}
.gauge:last-child{margin-bottom:0}
.gauge-top{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);margin-bottom:8px}
.gauge-bar{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.gauge-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.gauge-bar span.orange{background:linear-gradient(90deg,var(--hot),#FFC08A)}
.glass-note{font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:16px;margin-top:22px;line-height:1.7}

/* ---------- 板块标题 ---------- */
.sec-head{margin-bottom:38px;max-width:52em}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:.01em;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:15.5px}

/* ---------- 胶囊切换器 ---------- */
.seg-wrap{display:flex;justify-content:center;margin-bottom:40px}
.seg-tabs{
  display:inline-flex;flex-wrap:wrap;justify-content:center;gap:6px;padding:7px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(255,255,255,.045);backdrop-filter:blur(12px);max-width:100%;
}
.seg-tabs .nav-item{list-style:none}
.seg-tabs .nav-link{
  border:0;border-radius:var(--radius-pill);padding:10px 22px;
  color:var(--text-2);font-size:15px;font-weight:600;white-space:nowrap;
  background:transparent;transition:color var(--t),background var(--t),box-shadow var(--t);
}
.seg-tabs .nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.seg-tabs .nav-link.active{
  color:#06110E;background:linear-gradient(135deg,var(--primary),#4AF0D6);
  box-shadow:0 10px 26px rgba(20,232,196,.26);
}
@media(max-width:575.98px){
  .seg-tabs{border-radius:18px;width:100%}
  .seg-tabs .nav-link{padding:9px 14px;font-size:14px}
}

/* ---------- 瀑布卡片 ---------- */
.waterfall-col{display:flex;flex-direction:column;gap:20px}
.panel-card{
  position:relative;border-radius:var(--radius-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  padding:26px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.panel-card:hover{border-color:rgba(20,232,196,.42);box-shadow:var(--shadow-card);transform:translateY(-3px)}
.panel-card h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:12px}
.panel-card h4{font-size:17px;font-weight:700;margin-bottom:10px}
.panel-card .desc{font-size:14.5px;color:var(--text-2);margin-bottom:18px}
.panel-card .cover{
  border-radius:14px;overflow:hidden;margin-bottom:20px;border:1px solid var(--line);
}
.panel-card .cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);
  margin-bottom:10px;line-height:1.7;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:11px;color:var(--primary);
}
.tile-card{
  border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  padding:20px;transition:border-color var(--t),background var(--t),transform var(--t);
}
.tile-card:hover{border-color:rgba(123,92,255,.45);background:rgba(123,92,255,.08);transform:translateY(-2px)}
.tile-card .tile-ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(20,232,196,.12);color:var(--primary);border:1px solid rgba(20,232,196,.26);font-size:15px;
}
.tile-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.tile-card p{font-size:13.5px;color:var(--text-3);line-height:1.7}
.tile-card .idx{
  position:absolute;top:16px;right:18px;font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.tile-card{position:relative}

/* ---------- 对比小结条 ---------- */
.summary-bar{
  margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  padding:22px 26px;border-radius:16px;
  border:1px solid rgba(20,232,196,.26);border-left:3px solid var(--primary);
  background:linear-gradient(90deg,rgba(20,232,196,.10),rgba(20,232,196,.02));
}
.summary-bar .txt{flex:1 1 320px;min-width:260px}
.summary-bar strong{display:block;font-size:16px;margin-bottom:4px}
.summary-bar span{font-size:13.5px;color:var(--text-2)}
.summary-bar .cta-slot{flex:0 0 auto}

/* ---------- 自检清单板块 ---------- */
.checklist-card{
  border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);
  padding:30px;height:100%;
}
.checklist-card h3{font-size:19px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.checklist-card h3 i{color:var(--primary);font-size:16px}
.checklist-card ol{counter-reset:ck;padding:0;margin:0}
.checklist-card ol li{
  counter-increment:ck;position:relative;padding-left:44px;
  font-size:14.5px;color:var(--text-2);margin-bottom:16px;line-height:1.75;
}
.checklist-card ol li:last-child{margin-bottom:0}
.checklist-card ol li::before{
  content:counter(ck,decimal-leading-zero);position:absolute;left:0;top:2px;
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(20,232,196,.10);border:1px solid rgba(20,232,196,.28);
  font-variant-numeric:tabular-nums;
}

/* ---------- 交叉内链 ---------- */
.cross-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius-card);border:1px solid var(--line);overflow:hidden;
  background:var(--panel);transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.cross-card:hover{border-color:rgba(20,232,196,.45);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.cross-card .cross-img{aspect-ratio:16/9;overflow:hidden}
.cross-card .cross-img img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.cross-card:hover .cross-img img{transform:scale(1.05)}
.cross-card .cross-body{padding:24px;display:flex;flex-direction:column;flex:1}
.cross-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.cross-card p{font-size:14px;color:var(--text-3);margin-bottom:18px;flex:1}
.cross-card .go{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:8px}
.cross-card:hover .go i{transform:translateX(4px)}
.cross-card .go i{transition:transform var(--t)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:600;
  padding:20px 44px 20px 0;border-radius:0;position:relative;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:none;content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:6px;width:auto;height:auto;font-size:15px;color:var(--text-2);
  transition:transform var(--t),color var(--t);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--primary)}
.accordion-button::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:transparent;transition:background var(--t);
}
.accordion-button:not(.collapsed)::before{background:var(--primary)}
.accordion-body{padding:0 40px 24px 0;color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid rgba(20,232,196,.30);
  background:linear-gradient(120deg,rgba(20,232,196,.16),rgba(123,92,255,.16));
  padding:46px 40px;
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  box-shadow:0 0 0 1px rgba(20,232,196,.08),0 24px 60px rgba(0,0,0,.45);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 12% 20%,rgba(20,232,196,.22),transparent 65%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:700;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:44em}
.cta-band .btns{display:flex;flex-wrap:wrap;gap:14px;margin-left:auto}
@media(max-width:991.98px){.cta-band .btns{margin-left:0}}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);margin-top:96px;padding:66px 0 30px;
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-about{font-size:14px;color:var(--text-3);line-height:1.85;max-width:38em}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:var(--text-3)}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}