/* roulang page: index */
:root{
  --bg:#070C14;
  --bg-2:#0B1420;
  --bg-3:#0E1A27;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(130,225,255,.16);
  --line-soft:rgba(255,255,255,.06);
  --primary:#22D6C4;
  --primary-2:#16A9B8;
  --lime:#C6F24E;
  --orange:#FF7A45;
  --text:#E9F3F7;
  --text-2:#9DB2C0;
  --text-3:#667C8C;
  --ok:#45D48A;
  --warn:#FFB020;
  --err:#FF5F6D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.65);
  --glow:0 6px 26px -6px rgba(34,214,196,.55);
  --container:1200px;
  --container-wide:1320px;
  --gap:24px;
  --sec:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;transition:color .16s ease-out,background-color .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
time,.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.container-wide{width:100%;max-width:var(--container-wide);margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-alt{background:var(--bg-2);}
.section-alt2{background:var(--bg-3);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:18px;font-size:32px;}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:3px;background:linear-gradient(180deg,var(--primary),rgba(34,214,196,.15));}
.sec-desc{color:var(--text-2);font-size:16px;max-width:640px;margin-top:10px;line-height:1.8;}
.link-more{color:var(--primary);font-size:14.5px;display:inline-flex;align-items:center;gap:6px;position:relative;padding-bottom:2px;}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary);box-shadow:0 0 12px rgba(34,214,196,.8);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  border-radius:999px;
  background:rgba(11,20,32,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:0 18px 44px -26px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.12);
  transition:background-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled .dock{background:rgba(11,20,32,.92);box-shadow:0 26px 54px -24px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.14);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:10px;flex-shrink:0;
  background:
    radial-gradient(circle at 30% 25%,rgba(255,255,255,.55),transparent 60%),
    linear-gradient(135deg,var(--primary),#0d7d92 90%);
  box-shadow:0 0 18px -4px rgba(34,214,196,.75);
  position:relative;
}
.logo-mark::after{content:"";position:absolute;inset:9px 9px auto auto;width:8px;height:8px;border-radius:50%;background:var(--lime);}
.logo-text{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.logo-sub{color:var(--text-3);font-weight:500;font-size:12.5px;margin-left:6px;letter-spacing:.04em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 16px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .16s ease-out,background-color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,214,196,.9);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:rgba(34,214,196,.14);color:var(--primary);}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:color .16s ease-out,box-shadow .18s ease-out,background-color .16s ease-out;
}
.icon-btn:hover{color:var(--primary);box-shadow:0 0 0 1px rgba(34,214,196,.35),0 8px 22px -12px rgba(34,214,196,.7);background:rgba(34,214,196,.08);}
.icon-btn:active{transform:translateY(1px);filter:brightness(.94);}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;background:var(--glass);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text);}
.menu-btn svg{width:18px;height:18px;}
.drawer{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;
  padding:13px 26px;border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .16s ease-out,border-color .16s ease-out,filter .18s ease-out;
  cursor:pointer;white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04222A;box-shadow:var(--glow);
}
.btn-primary:hover{box-shadow:0 10px 34px -6px rgba(34,214,196,.72);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--primary);
}
.btn-ghost:hover{background:rgba(34,214,196,.1);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.94);}
.btn-disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:-80px;
  padding:170px 0 96px;
  background-image:linear-gradient(180deg,rgba(7,12,20,.72),rgba(7,12,20,.92) 62%,var(--bg) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;left:-80px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,214,196,.22),transparent 68%);filter:blur(10px);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-220px;right:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.10),transparent 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;letter-spacing:.04em;
  background:rgba(34,214,196,.12);border:1px solid var(--line);color:var(--primary);
  margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(198,242,78,.9);}
.hero h1{font-size:48px;line-height:1.22;letter-spacing:-.02em;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{font-size:18px;color:var(--text-2);max-width:600px;line-height:1.8;margin-bottom:30px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.trust-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:620px;}
.trust-cell{padding:16px 18px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line-soft);backdrop-filter:blur(14px);}
.trust-num{font-size:24px;font-weight:700;color:var(--lime);line-height:1.2;}
.trust-label{font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.5;}

/* Hero 右侧登录面板示意 */
.login-panel{
  position:relative;
  padding:28px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.panel-title{font-size:17px;font-weight:600;}
.panel-status{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ok);
  padding:5px 11px;border-radius:999px;background:rgba(69,212,138,.12);border:1px solid rgba(69,212,138,.3);
}
.panel-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;letter-spacing:.02em;}
.input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-xs);
  background:rgba(7,12,20,.6);border:1px solid var(--line-soft);color:var(--text);
  font-size:15px;transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.input::placeholder{color:var(--text-3);}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,214,196,.14);}
.panel-btn{width:100%;margin-top:6px;}
.panel-note{font-size:13px;color:var(--text-3);margin-top:16px;display:flex;justify-content:space-between;gap:12px;}
.panel-note a{color:var(--primary);}
.panel-note a:hover{text-decoration:underline;}
.float-chip{
  position:absolute;left:-18px;bottom:34px;
  display:flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:12.5px;
  background:rgba(14,26,39,.92);border:1px solid var(--line);color:var(--text-2);
  box-shadow:0 14px 32px -18px rgba(0,0,0,.9);
}
.float-chip b{color:var(--lime);font-weight:600;}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line-soft);
  backdrop-filter:blur(16px);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:rgba(34,214,196,.35);box-shadow:var(--shadow),0 0 0 1px rgba(34,214,196,.35);}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9;}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .24s ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.05),rgba(7,12,20,.72));}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;font-weight:600;}
.card-text{color:var(--text-2);font-size:15px;line-height:1.75;}
.card-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:6px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.04em;
  background:rgba(34,214,196,.12);border:1px solid var(--line);color:var(--primary);
}
.tag-lime{background:rgba(198,242,78,.12);border-color:rgba(198,242,78,.28);color:var(--lime);}
.tag-time{background:var(--glass-strong);border-color:var(--line-soft);color:var(--text-3);}
.arrow{color:var(--text-3);margin-left:auto;transition:color .16s ease-out,transform .18s ease-out;}
.card:hover .arrow,.list-row:hover .arrow{color:var(--primary);transform:translateX(3px);}

/* 合集目录 —— 错位排布 */
.collection-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);}
.col-6{grid-column:span 6;}
.col-3{grid-column:span 3;}
.col-4{grid-column:span 4;}
.col-8{grid-column:span 8;}
.col-7{grid-column:span 7;}
.col-5{grid-column:span 5;}
.collection-grid .card-tall{grid-row:span 1;}
.collection-grid .card-tall .card-cover{aspect-ratio:16/9;}
.collection-grid .card-small .card-cover{aspect-ratio:16/9;}

/* 精选条目列表 */
.list-panel{border-radius:var(--r-lg);border:1px solid var(--line-soft);background:var(--glass);backdrop-filter:blur(14px);overflow:hidden;}
.list-row{
  display:flex;align-items:center;gap:20px;
  padding:18px 20px;border-bottom:1px solid var(--line-soft);
  transition:background-color .16s ease-out;
}
.list-row:last-child{border-bottom:0;}
.list-row:hover{background:rgba(34,214,196,.05);}
.list-row.is-pick{border-left:3px solid var(--primary);background:rgba(34,214,196,.06);}
.row-index{flex-shrink:0;width:34px;font-weight:700;font-size:15px;color:var(--lime);letter-spacing:.02em;}
.row-thumb{flex-shrink:0;width:96px;height:62px;border-radius:var(--r-xs);overflow:hidden;background:var(--bg-3);}
.row-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.row-main{flex:1;min-width:0;}
.row-title{font-size:17px;font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.row-title:hover{color:var(--primary);}
.row-sum{color:var(--text-2);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px;}
.row-meta{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text-3);font-size:13px;}

/* 最新信息 */
.news-list{display:grid;gap:16px;}
.news-item{
  display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line-soft);
  transition:transform .18s ease-out,border-color .18s ease-out,background-color .16s ease-out;
}
.news-item:hover{transform:translateY(-2px);border-color:rgba(34,214,196,.35);background:rgba(34,214,196,.05);}
.news-item .thumb{aspect-ratio:16/9;border-radius:var(--r-xs);overflow:hidden;background:var(--bg-3);}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-title{font-size:18px;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--primary);}
.news-sum{color:var(--text-2);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--text-3);}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:52px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed var(--line);text-align:center;
}
.empty-state .icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(34,214,196,.1);border:1px solid var(--line);color:var(--primary);}
.empty-state p{color:var(--text-2);font-size:15px;}

/* 相关推荐 —— 交错卡 */
.reco-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.reco-card{
  display:flex;gap:18px;padding:22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line-soft);align-items:flex-start;
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.reco-card:hover{transform:translateY(-2px);border-color:rgba(34,214,196,.35);}
.reco-card:nth-child(even){transform:translateY(18px);}
.reco-card:nth-child(even):hover{transform:translateY(16px);}
.reco-num{flex-shrink:0;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(198,242,78,.12);color:var(--lime);font-weight:700;font-size:15px;border:1px solid rgba(198,242,78,.25);}
.reco-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.reco-card p{color:var(--text-2);font-size:14.5px;}

/* CTA 带 */
.cta-band{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  padding:26px 30px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(34,214,196,.14),rgba(255,255,255,.03));
  border:1px solid var(--line);backdrop-filter:blur(16px);box-shadow:var(--shadow);
}
.cta-band h2{font-size:24px;}
.cta-band p{color:var(--text-2);font-size:14.5px;margin-top:6px;}
.cta-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* FAQ */
.faq{border-radius:var(--r-lg);border:1px solid var(--line-soft);background:var(--glass);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16.5px;font-weight:600;text-align:left;transition:color .16s ease-out;}
.faq-q:hover{color:var(--primary);}
.faq-q .plus{flex-shrink:0;width:24px;height:24px;position:relative;transition:transform .18s ease-out;color:var(--primary);}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-q .plus::before{left:5px;right:5px;top:11px;height:2px;}
.faq-q .plus::after{top:5px;bottom:5px;left:11px;width:2px;transition:opacity .18s ease-out;}
.faq-item.open .plus{transform:rotate(90deg);}
.faq-item.open .plus::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line-soft);background:var(--bg-2);
  padding:72px 0 26px;position:relative;
}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,214,196,.6),transparent);}
.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 span{font-weight:700;font-size:16px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.footer-col a,.footer-col p{display:block;color:var(--text-2);font-size:14px;line-height:2;transition:color .16s ease-out;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

@media (max-width:1279px){
  .container,.container-wide{padding:0 24px;}
  .hero-grid{grid-template-columns:6fr 6fr;gap:40px;}
  .hero h1{font-size:42px;}
}
@media (max-width:1023px){
  :root{--sec:80px;}
  .dock-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .hero{padding:150px 0 78px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{font-size:38px;}
  .login-panel{order:2;}
  .col-6,.col-4,.col-8,.col-7,.col-5{grid-column:span 6;}
  .col-3{grid-column:span 6;}
  .reco-grid{grid-template-columns:1fr;}
  .reco-card:nth-child(even){transform:none;}
  .reco-card:nth-child(even):hover{transform:translateY(-2px);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .drawer{
    display:block;position:fixed;top:0;left:0;right:0;z-index:90;
    padding:18px 18px 26px;border-radius:0 0 24px 24px;
    background:rgba(11,20,32,.97);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    transform:translateY(-105%);transition:transform .26s ease-out;
  }
  .drawer.open{transform:translateY(0);}
  .drawer a{display:block;height:48px;line-height:48px;padding:0 16px;border-radius:14px;color:var(--text-2);font-size:16px;}
  .drawer a.is-active{color:var(--primary);background:rgba(34,214,196,.12);box-shadow:inset 3px 0 0 var(--primary);}
  .drawer .btn{width:100%;margin-top:14px;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  body{font-size:16px;}
  .container,.container-wide{padding:0 18px;}
  .site-header{padding-top:10px;}
  .dock{height:56px;padding:0 10px 0 14px;}
  .logo-text{font-size:15px;}
  .logo-sub{display:none;}
  .hero{margin-top:-66px;padding:130px 0 64px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .trust-row{grid-template-columns:1fr;gap:12px;}
  .sec-title{font-size:24px;}
  .collection-grid{grid-template-columns:1fr;}
  .col-6,.col-4,.col-8,.col-7,.col-5,.col-3{grid-column:span 1;}
  .news-item{grid-template-columns:1fr;gap:14px;}
  .list-row{flex-wrap:wrap;gap:14px;}
  .row-sum{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .row-thumb{width:74px;height:50px;}
  .row-meta{margin-left:auto;}
  .cta-band{padding:22px;}
  .cta-right{width:100%;margin-left:0;}
  .cta-right .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-chip{left:0;bottom:-16px;}
}
@media (max-width:479px){
  .hero h1{font-size:28px;}
  .sec-title{font-size:21px;}
  .row-title{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#070C14;
  --bg-2:#0B1420;
  --bg-3:#0E1A27;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.03);
  --stroke:rgba(130,225,255,.16);
  --stroke-soft:rgba(120,200,235,.14);
  --line:rgba(255,255,255,.06);
  --primary:#22D6C4;
  --primary-deep:#16A9B8;
  --accent:#C6F24E;
  --orange:#FF7A45;
  --text:#E9F3F7;
  --text-2:#9DB2C0;
  --text-3:#667C8C;
  --ok:#45D48A;
  --warn:#FFB020;
  --err:#FF5F6D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.65);
  --glow:0 6px 26px -6px rgba(34,214,196,.55);
  --glow-hi:0 10px 34px -6px rgba(34,214,196,.7);
  --max:1200px;
  --max-wide:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -10%, rgba(34,214,196,.11), transparent 62%),
    radial-gradient(680px 420px at 94% 2%, rgba(198,242,78,.055), transparent 64%);
  background-attachment:fixed;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(34,214,196,.32);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.container-wide{width:100%;max-width:var(--max-wide);margin:0 auto;padding:0 18px}

/* ============ 顶部 Dock 导航 ============ */
.site-header{position:sticky;top:16px;z-index:120;padding:0 16px;margin-bottom:6px}
.site-header .dock{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 18px;
  border-radius:999px;
  background:rgba(11,20,32,.74);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--stroke);
  box-shadow:0 18px 44px -26px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.12);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled .dock{
  background:rgba(8,14,23,.93);
  box-shadow:0 22px 50px -24px rgba(0,0,0,1), 0 0 0 1px rgba(34,214,196,.12), inset 0 1px 0 rgba(255,255,255,.1);
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:26px;height:26px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--glow);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;
  transform:translate(-50%,-50%);
  border:2px solid #04161b;border-radius:3px;
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-3);margin-left:6px;letter-spacing:.02em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:block;
  padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  transition:color .18s ease, background .18s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
  box-shadow:0 0 8px rgba(34,214,196,.85);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:rgba(34,214,196,.14);color:var(--primary)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{
  width:40px;height:40px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;cursor:pointer;
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text-2);
  transition:color .18s ease, box-shadow .2s ease, transform .15s ease, border-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(34,214,196,.5);box-shadow:0 0 18px -4px rgba(34,214,196,.6)}
.icon-btn:active{transform:translateY(1px);filter:brightness(.94)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;cursor:pointer;border:1px solid transparent;
  font-weight:600;letter-spacing:.01em;
  transition:transform .16s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-md{height:46px;padding:0 26px;font-size:15px}
.btn-lg{height:52px;padding:0 32px;font-size:15.5px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04222a;box-shadow:var(--glow);
}
.btn-primary:hover{box-shadow:var(--glow-hi);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{
  background:transparent;border-color:rgba(34,214,196,.42);color:var(--primary);
}
.btn-ghost:hover{background:rgba(34,214,196,.12);border-color:rgba(34,214,196,.7)}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-btn svg{width:18px;height:18px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:34px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color .16s ease, text-shadow .16s ease}
.breadcrumb a:hover{color:var(--primary);text-shadow:0 2px 10px rgba(34,214,196,.55)}
.breadcrumb .sep{color:rgba(102,124,140,.6)}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-head-top{display:flex;align-items:flex-start;gap:28px;justify-content:space-between}
.article-head-main{max-width:800px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  border:1px solid transparent;
}
.badge-primary{background:rgba(34,214,196,.13);color:var(--primary);border-color:rgba(34,214,196,.28)}
.badge-accent{background:rgba(198,242,78,.12);color:var(--accent);border-color:rgba(198,242,78,.26)}
.badge-muted{background:var(--glass);color:var(--text-2);border-color:var(--line)}
.article-head h1{
  margin-top:16px;
  font-size:40px;line-height:1.28;font-weight:700;letter-spacing:-.02em;
  color:var(--text);
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;
  margin-top:20px;font-size:13.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(102,124,140,.6)}
.icon-group{display:flex;gap:10px;flex-shrink:0;padding-top:6px}

/* ============ 正文阅读区 ============ */
.article-section{padding:52px 0 0}
.article-body{
  max-width:720px;margin:0 auto;
  font-size:16.5px;line-height:1.85;color:#DCE9F0;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;letter-spacing:-.01em;
  color:var(--text);
  margin:2em 0 .8em;padding-left:14px;border-left:2px solid var(--primary);
}
.article-body h3{
  font-size:20px;line-height:1.45;font-weight:600;
  color:var(--text);margin:1.6em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body li{
  position:relative;padding-left:22px;margin-bottom:.62em;color:#DCE9F0;
}
.article-body li::before{
  content:"";position:absolute;left:2px;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,214,196,.6);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);width:auto;height:auto;background:none;box-shadow:none;
  color:var(--accent);font-size:13.5px;font-weight:600;left:0;top:0;
  font-variant-numeric:tabular-nums;
}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(34,214,196,.45);
  transition:border-color .16s ease, box-shadow .16s ease;
}
.article-body a:hover{border-color:var(--primary);box-shadow:0 3px 12px -4px rgba(34,214,196,.9)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:2px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;border-radius:var(--r-sm);margin:1.6em 0 .6em;
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border-radius:var(--r-xs);overflow:hidden;
  border:1px solid var(--line);
}
.article-body thead{background:var(--glass)}
.article-body th{
  text-align:left;padding:12px 16px;font-weight:600;color:var(--text);
  font-size:14px;letter-spacing:.02em;
}
.article-body td{padding:12px 16px;color:var(--text-2);border-top:1px solid var(--line)}
.article-body hr{border:none;height:1px;background:var(--stroke-soft);margin:2.4em 0}
.article-body strong{color:var(--text);font-weight:600}

/* ============ 空态 ============ */
.empty-state{
  max-width:560px;margin:0 auto;text-align:center;
  padding:56px 30px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:rgba(34,214,196,.1);border:1px solid rgba(34,214,196,.28);
  color:var(--primary);
}
.empty-title{font-size:19px;font-weight:600;color:var(--text);margin-bottom:10px}
.empty-desc{font-size:14.5px;color:var(--text-2);margin-bottom:24px}

/* ============ 文末标签与操作条 ============ */
.article-foot{max-width:720px;margin:52px auto 0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px}
.tag-row .tag-label{font-size:13.5px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;font-size:13px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.tag:hover{color:var(--primary);border-color:rgba(34,214,196,.45);background:rgba(34,214,196,.09)}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
  padding:16px 22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.share-bar-text{font-size:14.5px;color:var(--text-2)}
.share-bar-text strong{color:var(--text);font-weight:600}
.share-bar .icon-group{padding-top:0}

/* ============ 上下篇导航 ============ */
.post-nav{
  max-width:720px;margin:36px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.post-nav-card{
  display:block;padding:20px 22px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.post-nav-card:hover{transform:translateY(-2px);border-color:rgba(34,214,196,.42);box-shadow:0 0 0 1px rgba(34,214,196,.28)}
.post-nav-label{font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px}
.post-nav-title{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-nav-card.next{text-align:right}

/* ============ 相关推荐 ============ */
.related-section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{
  position:relative;font-size:26px;font-weight:700;letter-spacing:-.01em;
  padding-left:16px;color:var(--text);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(34,214,196,.2));
  box-shadow:0 0 14px rgba(34,214,196,.6);
}
.text-link{font-size:14px;color:var(--primary);border-bottom:1px solid rgba(34,214,196,.4);transition:box-shadow .18s ease}
.text-link:hover{box-shadow:0 4px 12px -4px rgba(34,214,196,.9)}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(34,214,196,.42);box-shadow:0 0 0 1px rgba(34,214,196,.28), var(--shadow)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.related-thumb img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .3s ease, opacity .3s ease}
.related-card:hover .related-thumb img{transform:scale(1.03);opacity:1}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.05),rgba(7,12,20,.82));
}
.related-body{padding:18px 20px 20px}
.related-body h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:13.5px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:104px;
  background:var(--bg-2);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(34,214,196,.45),transparent) 1;
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:13.5px;color:var(--text-3);margin-bottom:11px;transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;line-height:1.85;color:var(--text-3);margin-bottom:10px}
.footer-bottom{
  margin-top:48px;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(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1040px}
  .article-head h1{font-size:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .dock-nav{gap:0}
  .nav-link{padding:8px 11px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .related-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .site-header{top:10px;padding:0 10px}
  .site-header .dock{height:58px;padding:0 14px;gap:10px;flex-wrap:wrap;border-radius:26px}
  .menu-btn{display:inline-flex}
  .dock-nav{
    order:5;width:100%;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:10px 0 12px;
    border-top:1px solid var(--line);
  }
  .site-header.nav-open .dock-nav{display:flex}
  .nav-link{padding:12px 14px;border-radius:14px;font-size:15px;position:relative}
  .nav-link.is-active{background:rgba(34,214,196,.13);box-shadow:inset 3px 0 0 var(--primary)}
  .nav-link::after{display:none}
  .dock-actions .btn-sm{display:none}
  .article-head h1{font-size:31px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-card.next{text-align:left}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .container-wide{padding:0 12px}
  .crumb-bar{padding-top:24px}
  .article-head{padding:20px 0 26px}
  .article-head h1{font-size:26px;letter-spacing:-.01em}
  .meta-row{gap:8px 14px;font-size:13px}
  .article-section{padding-top:36px}
  .article-body{font-size:16px;line-height:1.82}
  .article-body h2{font-size:20px;margin-top:1.7em}
  .related-section{padding-top:56px}
  .section-head h2{font-size:21px}
  .related-list{grid-template-columns:1fr}
  .share-bar{padding:14px 18px}
  .share-bar-text{font-size:13.5px}
  .site-footer{margin-top:64px;padding:48px 0 26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:479px){
  .logo-sub{display:none}
  .article-head h1{font-size:23px}
  .btn-sm{height:36px;padding:0 15px;font-size:13.5px}
  .tag{font-size:12.5px;padding:0 12px}
  .related-body h3{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#070C14;
  --bg-2:#0B1420;
  --bg-3:#0E1A27;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.08);
  --stroke:rgba(130,225,255,.16);
  --stroke-strong:rgba(34,214,196,.35);
  --hi:rgba(255,255,255,.12);
  --main:#22D6C4;
  --main-deep:#16A9B8;
  --lime:#C6F24E;
  --orange:#FF7A45;
  --text:#E9F3F7;
  --text-2:#9DB2C0;
  --text-3:#667C8C;
  --ok:#45D48A;
  --warn:#FFB020;
  --err:#FF5F6D;
  --line:rgba(120,200,235,.14);
  --line-2:rgba(255,255,255,.06);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.65);
  --shadow-hover:0 0 0 1px rgba(34,214,196,.35),0 28px 60px -24px rgba(0,0,0,.75);
  --sp-section:104px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(34,214,196,.16),transparent 62%),
    radial-gradient(720px 460px at 92% 4%,rgba(198,242,78,.07),transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.container-wide{max-width:1320px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:80;
  padding:0 18px;
  margin-bottom:8px;
}
.dock{
  max-width:1120px;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 14px 0 20px;
  border-radius:999px;
  background:rgba(11,20,32,.62);
  border:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 var(--hi),0 18px 44px -26px rgba(0,0,0,.85);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{
  background:rgba(9,16,26,.9);
  box-shadow:inset 0 1px 0 var(--hi),0 22px 50px -22px rgba(0,0,0,.9);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:10px;
  background:linear-gradient(135deg,var(--main),var(--main-deep));
  box-shadow:0 6px 20px -6px rgba(34,214,196,.7);
  position:relative;
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;inset:9px;
  border-radius:4px;
  background:rgba(4,20,26,.85);
}
.logo-text{font-weight:700;font-size:16px;letter-spacing:-.01em;display:flex;flex-direction:column;line-height:1.1;}
.logo-sub{font-size:10.5px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .16s ease,background .16s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:50%;bottom:3px;
  width:16px;height:2px;border-radius:2px;
  background:var(--main);
  box-shadow:0 0 10px rgba(34,214,196,.9);
  transform:translateX(-50%) scaleX(0);
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-link.is-active{
  color:var(--main);
  background:rgba(34,214,196,.14);
}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--stroke);
  color:var(--text-2);
  cursor:pointer;
  transition:box-shadow .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{color:var(--main);box-shadow:0 0 0 1px var(--stroke-strong),0 0 22px -6px rgba(34,214,196,.75);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{
  display:none;
  width:40px;height:40px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--stroke);
  color:var(--text);
  cursor:pointer;
}
.menu-btn svg{width:18px;height:18px;margin:0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--main),var(--main-deep));
  color:#04222a;
  box-shadow:0 6px 26px -6px rgba(34,214,196,.55);
}
.btn-primary:hover{box-shadow:0 10px 34px -6px rgba(34,214,196,.75);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-accent{
  background:linear-gradient(135deg,#FF925F,var(--orange));
  color:#2A0F05;
  box-shadow:0 6px 26px -8px rgba(255,122,69,.6);
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 10px 32px -8px rgba(255,122,69,.8);}
.btn-ghost{
  background:transparent;
  border-color:var(--stroke);
  color:var(--main);
}
.btn-ghost:hover{background:rgba(34,214,196,.1);box-shadow:0 0 0 1px var(--stroke-strong);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-3);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--main);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text-2);}

/* ---------- 页面头图 ---------- */
.page-hero{
  position:relative;
  margin:22px auto 0;
  max-width:1320px;
  padding:0 32px;
  z-index:1;
}
.page-hero-inner{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  border:1px solid var(--stroke);
  background:
    linear-gradient(180deg,rgba(7,12,20,.55) 0%,rgba(7,12,20,.86) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat,
    #0B1420;
  padding:56px 48px 52px;
  box-shadow:var(--shadow);
}
.page-hero-inner::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(520px 260px at 88% 0%,rgba(34,214,196,.2),transparent 62%);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;
  border-radius:999px;
  background:rgba(34,214,196,.14);
  border:1px solid var(--stroke);
  color:var(--main);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:22px;
}
.page-hero h1{
  font-size:48px;
  font-weight:700;
  letter-spacing:-.02em;
  max-width:20ch;
  margin-bottom:20px;
}
.hero-lead{
  font-size:18px;
  color:var(--text-2);
  max-width:64ch;
  line-height:1.8;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--stroke);
  font-size:13px;
  color:var(--text-2);
  backdrop-filter:blur(12px);
}
.chip b{color:var(--lime);font-weight:600;}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--main);box-shadow:0 0 10px var(--main);}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-section) 0 0;}
.section-head{margin-bottom:36px;}
.section-head h2{
  font-size:32px;
  font-weight:700;
  display:flex;align-items:center;gap:14px;
}
.section-head h2::before{
  content:"";
  width:24px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--main),var(--lime));
  box-shadow:0 0 16px rgba(34,214,196,.7);
  flex:0 0 auto;
}
.section-head p{
  margin-top:14px;
  color:var(--text-2);
  font-size:16px;
  max-width:72ch;
}
.section-head.row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.text-link{
  color:var(--main);
  font-size:14.5px;
  font-weight:600;
  position:relative;
  padding-bottom:3px;
  transition:color .16s ease;
}
.text-link:hover{color:#7BF0E2;box-shadow:0 2px 0 0 rgba(34,214,196,.6);}

/* ---------- 布局 8/4 ---------- */
.layout-8-4{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:32px;
  align-items:start;
}
.grid-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hi),transparent);
  z-index:2;
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--stroke-strong);
  box-shadow:var(--shadow-hover);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#0E1A27,#0B1420);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .22s ease-out;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.05) 40%,rgba(7,12,20,.72) 100%);
}
.tag-corner{
  position:absolute;top:14px;left:14px;z-index:3;
  height:26px;padding:0 12px;
  display:inline-flex;align-items:center;
  border-radius:999px;
  background:rgba(7,12,20,.72);
  border:1px solid var(--stroke);
  color:var(--main);
  font-size:12px;font-weight:600;
  backdrop-filter:blur(10px);
}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.card-body p{color:var(--text-2);font-size:14.6px;line-height:1.75;}
.card-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line-2);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;
  border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--glass-2);
  border:1px solid var(--line);
  color:var(--text-2);
}
.badge-cyan{color:var(--main);border-color:var(--stroke);background:rgba(34,214,196,.1);}
.badge-lime{color:var(--lime);background:rgba(198,242,78,.09);border-color:rgba(198,242,78,.28);font-variant-numeric:tabular-nums;}
.arrow{
  width:30px;height:30px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);
  color:var(--main);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover .arrow{background:rgba(34,214,196,.16);box-shadow:0 0 18px -4px rgba(34,214,196,.9);transform:translateX(2px);}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;
  top:100px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.glass-card{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.glass-card h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.glass-card h3::before{
  content:"";
  width:14px;height:2px;border-radius:2px;
  background:var(--lime);
  box-shadow:0 0 10px rgba(198,242,78,.8);
}
.toc-list li+li{border-top:1px solid var(--line-2);}
.toc-list a{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .16s ease,padding-left .16s ease;
}
.toc-list a:hover{color:var(--main);padding-left:4px;}
.toc-list .num{
  font-variant-numeric:tabular-nums;
  font-size:12.5px;
  color:var(--lime);
  min-width:22px;
  font-weight:600;
}
.cta-card{
  background:linear-gradient(160deg,rgba(34,214,196,.14),rgba(255,255,255,.04) 62%);
}
.cta-card p{color:var(--text-2);font-size:14.4px;margin-bottom:18px;}
.cta-card .btn{width:100%;}
.related-list li+li{margin-top:12px;}
.related-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-2);
  font-size:14.2px;
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.related-list a:hover{border-color:var(--stroke-strong);color:var(--main);background:rgba(34,214,196,.07);}

/* ---------- 流程步骤 ---------- */
.section-alt{
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 18%,var(--bg-2) 82%,var(--bg) 100%);
  margin-top:var(--sp-section);
  padding:var(--sp-section) 0;
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  padding:26px 22px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.step:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
.step .step-num{
  font-size:28px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--lime);
  letter-spacing:-.02em;
  display:block;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.step p{font-size:14.4px;color:var(--text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--main);}
.faq-item summary .plus{
  width:26px;height:26px;flex:0 0 auto;
  border-radius:999px;
  border:1px solid var(--stroke);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--main);
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(34,214,196,.14);}
.faq-answer{
  padding:0 4px 24px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  max-width:78ch;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:var(--sp-section);
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:30px 34px;
  border-radius:24px;
  background:linear-gradient(120deg,rgba(34,214,196,.16),rgba(255,255,255,.045) 58%);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  backdrop-filter:blur(20px);
}
.cta-band-inner h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.cta-band-inner p{color:var(--text-2);font-size:14.8px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sp-section);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,32,.5),rgba(7,12,20,1));
  padding:64px 0 30px;
  position:relative;
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,214,196,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:16px;
  margin-bottom:16px;
}
.footer-desc{color:var(--text-3);font-size:13.8px;line-height:1.8;max-width:36ch;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a,.footer-col p{
  display:block;
  color:var(--text-3);
  font-size:13.8px;
  margin-bottom:10px;
  transition:color .16s ease;
}
.footer-col a:hover{color:var(--main);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);
  font-size:13px;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:999px;
  display:none;align-items:center;justify-content:center;
  background:rgba(11,20,32,.85);
  border:1px solid var(--stroke);
  color:var(--main);
  cursor:pointer;
  backdrop-filter:blur(14px);
  transition:box-shadow .18s ease,transform .18s ease;
}
.to-top.show{display:inline-flex;}
.to-top:hover{box-shadow:0 0 0 1px var(--stroke-strong),0 0 22px -4px rgba(34,214,196,.8);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:42px;}
}
@media (max-width:1024px){
  :root{--sp-section:80px;}
  .layout-8-4{grid-template-columns:6fr 6fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .page-hero-inner{padding:46px 36px 42px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:920px){
  .dock{padding:0 12px 0 16px;gap:12px;}
  .dock-nav{
    display:none;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:24px;
    background:rgba(10,18,29,.97);
    border:1px solid var(--stroke);
    box-shadow:0 28px 60px -22px rgba(0,0,0,.9);
    backdrop-filter:blur(20px);
  }
  .dock-nav.is-open{display:flex;}
  .nav-link{height:48px;display:flex;align-items:center;padding:0 16px;border-radius:12px;font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{box-shadow:inset 3px 0 0 var(--main);}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;}
  .dock .icon-btn{display:none;}
  .layout-8-4{grid-template-columns:1fr;}
  .sidebar{position:static;top:auto;}
  .grid-cards{grid-template-columns:1fr;}
  .section-head h2{font-size:26px;}
  .section-head.row{align-items:flex-start;}
}
@media (max-width:768px){
  :root{--sp-section:60px;}
  .container,.container-wide{padding:0 18px;}
  .page-hero{padding:0 18px;}
  .page-hero-inner{padding:36px 22px 34px;border-radius:22px;}
  .page-hero h1{font-size:30px;max-width:none;}
  .hero-lead{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band-inner{padding:24px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .badge-row{gap:8px;}
  .chip{font-size:12.2px;padding:0 13px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .logo-sub{display:none;}
  .logo-text{font-size:15px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .dock-actions .btn-sm{display:none;}
  .card-body h3{font-size:17.5px;}
  .faq-item summary{font-size:15.6px;padding:18px 2px;}
  .to-top{right:14px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#070C14;
  --bg-2:#0B1420;
  --bg-3:#0E1A27;
  --primary:#22D6C4;
  --primary-deep:#16A9B8;
  --accent:#C6F24E;
  --orange:#FF7A45;
  --text:#E9F3F7;
  --text-2:#9DB2C0;
  --text-3:#667C8C;
  --line:rgba(120,200,235,.14);
  --line-2:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(130,225,255,.16);
  --highlight:rgba(255,255,255,.12);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.65);
  --shadow-soft:0 18px 40px -28px rgba(0,0,0,.9);
  --glow:0 6px 26px -6px rgba(34,214,196,.55);
  --glow-strong:0 10px 34px -6px rgba(34,214,196,.6);
  --success:#45D48A;
  --warn:#FFB020;
  --danger:#FF5F6D;
  --space-section:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:16px;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--primary)}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,214,196,.3);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}

/* ============ Dock 导航 ============ */
.site-header{position:sticky;top:16px;z-index:120;padding:0 18px}
.dock{
  display:flex;align-items:center;gap:24px;
  height:64px;padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(11,20,32,.62);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-soft);
  transition:background .25s ease-out,box-shadow .25s ease-out;
}
.site-header.is-scrolled .dock{
  background:rgba(11,20,32,.88);
  box-shadow:0 22px 48px -24px rgba(0,0,0,.95);
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px -4px rgba(34,214,196,.7);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;
  background:rgba(7,12,20,.85);
  transform:rotate(45deg);
}
.logo-text{font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--text);display:flex;align-items:baseline;gap:6px}
.logo-sub{font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--text-3)}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;font-size:14.5px;color:var(--text-2);
  transition:color .16s ease-out,background .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,214,196,.85);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:rgba(34,214,196,.14);color:var(--primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text-2);
  transition:color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{color:var(--primary);box-shadow:0 0 0 1px rgba(34,214,196,.35),0 0 18px -4px rgba(34,214,196,.6)}
.icon-btn:active{transform:translateY(1px);filter:brightness(.94)}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:50%;
  place-items:center;background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
}
.menu-btn svg{width:20px;height:20px}

/* 移动抽屉 */
.drawer{
  position:fixed;left:12px;right:12px;top:12px;z-index:140;
  border-radius:24px;padding:18px;
  background:rgba(9,16,26,.96);
  backdrop-filter:blur(22px);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow);
  transform:translateY(-16px);opacity:0;pointer-events:none;
  transition:transform .24s ease-out,opacity .24s ease-out;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2)}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--radius-xs);
  color:var(--text-2);font-size:15px;border-left:3px solid transparent;
}
.drawer-nav a.is-active{color:var(--primary);background:rgba(34,214,196,.1);border-left-color:var(--primary)}
.drawer-cta{margin-top:14px}
.drawer-cta .btn{width:100%;justify-content:center}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04201E;box-shadow:var(--glow)}
.btn-primary:hover{box-shadow:var(--glow-strong);transform:translateY(-1px);color:#04201E}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:rgba(34,214,196,.45);color:var(--primary)}
.btn-ghost:hover{background:rgba(34,214,196,.12);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.04em;line-height:1;
}
.badge-cyan{color:var(--primary);background:rgba(34,214,196,.12);border:1px solid rgba(34,214,196,.28)}
.badge-lime{color:var(--accent);background:rgba(198,242,78,.1);border:1px solid rgba(198,242,78,.24)}
.badge-soft{color:var(--text-2);background:rgba(255,255,255,.06);border:1px solid var(--line-2)}
.badge-orange{color:var(--orange);background:rgba(255,122,69,.12);border:1px solid rgba(255,122,69,.28)}

/* ============ 玻璃卡 ============ */
.glass{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
}
.glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--highlight),transparent);
}

/* ============ 面包屑 ============ */
.crumb{padding:34px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li::after{content:"›";color:var(--text-3);opacity:.7}
.crumb li:last-child::after{display:none}
.crumb a{color:var(--text-2)}
.crumb .current{color:var(--text-2)}

/* ============ Hero ============ */
.hero{position:relative;padding:44px 0 0;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(7,12,20,.72),rgba(7,12,20,.92) 62%,var(--bg) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 32%;
  opacity:.85;
}
.hero-bg::after{
  content:"";position:absolute;left:50%;top:-140px;width:760px;height:420px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(34,214,196,.24),transparent 72%);
  filter:blur(6px);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:24px;align-items:end;padding-bottom:56px;
}
.hero h1{
  font-size:48px;line-height:1.22;font-weight:700;letter-spacing:-.02em;
  max-width:15em;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{margin-top:20px;font-size:18px;line-height:1.8;color:var(--text-2);max-width:34em}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;gap:14px}
.stat-card{
  display:flex;align-items:center;gap:18px;padding:20px;
  border-radius:var(--radius-md);
}
.stat-num{
  font-size:28px;font-weight:700;color:var(--accent);line-height:1;
  font-variant-numeric:tabular-nums;min-width:74px;
}
.stat-label{font-size:14px;color:var(--text-2);line-height:1.6}
.stat-card .stat-inner{display:flex;flex-direction:column;gap:2px}

/* ============ 主区布局 ============ */
.section{padding-top:var(--space-section)}
.section-head{margin-bottom:28px}
.section-head h2{
  font-size:32px;font-weight:700;letter-spacing:-.01em;
  display:flex;align-items:center;gap:14px;line-height:1.3;
}
.section-head h2::before{
  content:"";width:24px;height:3px;border-radius:2px;flex-shrink:0;
  background:linear-gradient(90deg,var(--primary),rgba(34,214,196,0));
  box-shadow:0 0 12px rgba(34,214,196,.7);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:52em}
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px;align-items:start}

/* 条目长列表 */
.entry-list{
  background:linear-gradient(180deg,rgba(14,26,39,.72),rgba(11,20,32,.72));
  border:1px solid var(--glass-line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.entry-item{
  display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:20px;align-items:flex-start;
  padding:20px 22px;border-bottom:1px solid var(--line-2);
  transition:background .18s ease-out,transform .18s ease-out;
}
.entry-item:last-child{border-bottom:0}
.entry-item:hover{background:rgba(34,214,196,.06);transform:translateY(-2px)}
.entry-icon{
  width:72px;height:72px;border-radius:var(--radius-sm);
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(34,214,196,.16),rgba(255,255,255,.03));
  border:1px solid var(--glass-line);color:var(--primary);flex-shrink:0;
}
.entry-icon svg{width:30px;height:30px}
.entry-body h3{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.005em}
.entry-body h3 a:hover{color:var(--primary)}
.entry-body p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.entry-arrow{
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-3);
  align-self:center;transition:color .18s ease-out,box-shadow .18s ease-out;
}
.entry-item:hover .entry-arrow{color:var(--primary);box-shadow:0 0 0 1px rgba(34,214,196,.35),0 0 16px -4px rgba(34,214,196,.6)}
.entry-item.is-featured{border-left:2px solid var(--primary);background:rgba(34,214,196,.05)}

/* 侧栏 */
.side{position:sticky;top:96px;display:grid;gap:18px}
.side-card{padding:22px;border-radius:var(--radius-md)}
.side-card h3{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(34,214,196,.7)}
.side-list{margin-top:16px;display:grid;gap:0}
.side-list a{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 0;border-bottom:1px solid var(--line-2);
  transition:transform .18s ease-out;
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{transform:translateX(3px)}
.side-list .t{font-size:15px;font-weight:600;color:var(--text)}
.side-list .d{font-size:13.5px;color:var(--text-3);line-height:1.65}
.side-list a:hover .t{color:var(--primary)}
.side-cta{padding:24px;border-radius:var(--radius-md);text-align:left}
.side-cta p{margin:12px 0 20px;font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ============ 中段 CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:center;
  padding:34px 36px;
  background:rgba(11,20,32,.7);
}
.cta-band img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;
  opacity:.28;z-index:0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(90deg,rgba(7,12,20,.96),rgba(7,12,20,.72) 58%,rgba(7,12,20,.92));
}
.cta-band > div{position:relative;z-index:1}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn-ghost{background:rgba(7,12,20,.4)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;align-items:start}
.faq-aside{padding:26px;border-radius:var(--radius-md)}
.faq-aside h2{font-size:26px;font-weight:700;line-height:1.35}
.faq-aside p{margin-top:14px;font-size:14.5px;color:var(--text-2)}
.faq-list{border-radius:var(--radius-lg);border:1px solid var(--glass-line);background:rgba(14,26,39,.6);overflow:hidden;box-shadow:var(--shadow)}
.faq-item{border-bottom:1px solid var(--line-2)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;line-height:1.6;
  color:var(--text);transition:color .16s ease-out;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;width:24px;height:24px;flex-shrink:0;border-radius:50%;
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .18s ease-out,background .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .18s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(34,214,196,.16)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ 空态 / 骨架 / 提示 ============ */
.empty-state{
  display:grid;justify-items:center;gap:12px;text-align:center;padding:44px 24px;
  border:1px dashed var(--line);border-radius:var(--radius-md);color:var(--text-3);
}
.empty-state svg{width:34px;height:34px;color:var(--primary);opacity:.8}
.empty-state p{font-size:14.5px}
.skeleton{height:14px;border-radius:8px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.12),rgba(255,255,255,.05));background-size:200% 100%;animation:shimmer 1.4s infinite linear}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.alert-error{display:flex;align-items:flex-start;gap:10px;padding:14px 18px;border-radius:var(--radius-xs);border:1px solid rgba(255,95,109,.4);background:rgba(255,95,109,.08);font-size:13.5px;color:#FFC9CE}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--space-section);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(34,214,196,.45),transparent) 1;
  background:linear-gradient(180deg,rgba(11,20,32,.9),rgba(7,12,20,1));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,3fr));gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:32em}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:13.5px;color:var(--text-2);padding:6px 0}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.75;margin-bottom:10px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container,.container-wide{padding:0 24px}
  .hero h1{font-size:42px}
  .hero-inner{grid-template-columns:minmax(0,6fr) minmax(0,6fr)}
  .layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .cta-band{grid-template-columns:minmax(0,6fr) minmax(0,6fr)}
}
@media (max-width:1023px){
  :root{--space-section:80px}
  .dock-nav{display:none}
  .menu-btn{display:grid}
  .dock{height:60px;padding:0 10px 0 16px;gap:12px}
  .dock-actions{margin-left:auto}
  .hero-inner{grid-template-columns:1fr;padding-bottom:44px}
  .hero h1{font-size:36px;max-width:none}
  .hero-lead{font-size:16.5px}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .stat-card{flex-direction:column;align-items:flex-start;gap:8px;padding:16px}
  .stat-num{font-size:24px;min-width:0}
  .layout{grid-template-columns:1fr}
  .side{position:static}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .cta-actions{justify-content:flex-start}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  :root{--space-section:60px}
  body{font-size:16px;padding-top:12px}
  .container,.container-wide{padding:0 18px}
  .site-header{padding:0 12px}
  .logo-sub{display:none}
  .dock-actions .btn-sm{display:none}
  .hero h1{font-size:30px}
  .hero-stats{grid-template-columns:1fr}
  .stat-card{flex-direction:row;align-items:center}
  .section-head h2{font-size:24px}
  .entry-item{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:18px 16px}
  .entry-icon{width:56px;height:56px}
  .entry-icon svg{width:24px;height:24px}
  .entry-arrow{display:none}
  .entry-body h3{font-size:16.5px}
  .cta-band h2{font-size:22px}
  .faq-q{font-size:16px;padding:18px}
  .faq-aside h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .hero-cta .btn,.cta-actions .btn{width:100%}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .btn{height:44px;font-size:14.5px}
  .entry-body p{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}