/* roulang page: index */
:root{
  --bg-0:#050D12;
  --bg-1:#0A1A22;
  --bg-2:#0E222C;
  --brand:#17E0C2;
  --brand-deep:#0B9E8C;
  --accent:#FFB03A;
  --accent-2:#7C6CFF;
  --line:rgba(120,255,235,0.14);
  --line-strong:rgba(23,224,194,0.34);
  --glass:rgba(255,255,255,0.055);
  --t1:#EAF6F4;
  --t2:#A8BFC4;
  --t3:#6D8790;
  --glow:0 0 0 1px rgba(23,224,194,.32),0 10px 30px rgba(23,224,194,.22);
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.5);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

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

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(120,255,235,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,255,235,.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}

body::after{
  content:"";
  position:fixed;
  top:-40%;
  left:-30%;
  width:160%;
  height:180%;
  background:linear-gradient(115deg,rgba(23,224,194,0) 42%,rgba(23,224,194,.055) 50%,rgba(23,224,194,0) 58%);
  pointer-events:none;
  z-index:0;
}

img{max-width:100%;display:block;border-style:none;}
a{color:var(--t2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;}

:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

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

.section{
  position:relative;
  padding:96px 0;
  z-index:1;
}
.section--tight{padding:72px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,26,34,0) 0%,rgba(10,26,34,.72) 18%,rgba(10,26,34,.72) 82%,rgba(10,26,34,0) 100%);}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-title{
  font-size:clamp(22px,2.4vw,28px);
  letter-spacing:.01em;
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--t3);
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--brand);
  opacity:.7;
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--brand);
  white-space:nowrap;
}
.more-link i{transition:transform .2s ease;}
.more-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(8,22,29,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-strong);
  box-shadow:0 10px 34px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04241F;
  font-size:16px;
  font-weight:800;
  box-shadow:var(--glow);
  flex:0 0 auto;
}
.brand-text{overflow:hidden;text-overflow:ellipsis;}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:14px;
}
.main-nav .nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:10px;
  font-size:15px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--t1);background:var(--glass);}
.main-nav .nav-link.active{
  color:var(--brand);
  background:rgba(23,224,194,.09);
  box-shadow:inset 0 0 0 1px rgba(23,224,194,.2);
}

.header-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 13px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--glass);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(23,224,194,.12);
}
.nav-search i{font-size:13px;color:var(--t3);}
.nav-search input{
  width:148px;
  background:transparent;
  border:0;
  outline:none;
  color:var(--t1);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--t3);}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--glass);
  cursor:pointer;
  position:relative;
  flex:0 0 auto;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  background:var(--t1);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04241F;
  box-shadow:var(--glow);
}
.btn-brand:hover{
  color:#04241F;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(23,224,194,.45),0 14px 34px rgba(23,224,194,.32);
}
.btn-brand:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--t1);
}
.btn-ghost:hover{
  border-color:var(--brand);
  background:var(--glass);
  color:var(--brand);
}
.btn-lg{height:54px;padding:0 30px;font-size:16px;border-radius:999px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--t2);
  font-weight:500;
}
.link-arrow i{font-size:13px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 104px;
  overflow:hidden;
  z-index:1;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url(/assets/images/backpic/back-2.png) center right/cover no-repeat;
  opacity:.2;
  -webkit-mask-image:linear-gradient(100deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.55) 65%,rgba(0,0,0,1) 100%);
  mask-image:linear-gradient(100deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.55) 65%,rgba(0,0,0,1) 100%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:12%;
  right:-8%;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,194,.16),rgba(23,224,194,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero-copy{position:relative;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(23,224,194,.28);
  background:rgba(23,224,194,.08);
  color:var(--brand);
  font-size:13px;
  letter-spacing:.02em;
}
.pill .dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(23,224,194,.18);
}
.hero h1{
  margin:20px 0 0;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.25;
  letter-spacing:.005em;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--t2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:22px;
  margin-top:32px;
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  margin-top:44px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--line);
  overflow:hidden;
}
.metric{
  background:rgba(10,26,34,.86);
  padding:18px 20px;
}
.metric-num{
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  letter-spacing:.01em;
}
.metric-label{
  margin-top:4px;
  font-size:13px;
  color:var(--t3);
}

.hero-visual{position:relative;}
.hero-img-wrap{
  position:relative;
  border-radius:var(--r-glass);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--bg-1);
  box-shadow:var(--shadow-2);
}
.hero-img-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-img-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,13,18,.1) 0%,rgba(5,13,18,.72) 100%);
}
.glass-card{
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:rgba(10,26,34,.74);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-2);
}
.status-card{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  padding:16px 18px;
  z-index:2;
}
.status-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.status-title{
  font-size:14px;
  color:var(--t1);
  font-weight:600;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(23,224,194,.12);
  color:var(--brand);
  border:1px solid rgba(23,224,194,.22);
}
.badge-accent{
  background:rgba(255,176,58,.13);
  color:var(--accent);
  border-color:rgba(255,176,58,.26);
}
.badge-violet{
  background:rgba(124,108,255,.14);
  color:var(--accent-2);
  border-color:rgba(124,108,255,.28);
}
.status-bar{
  margin-top:12px;
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.status-bar span{
  display:block;
  height:100%;
  width:86%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}
.status-meta{
  margin-top:10px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--t3);
}

/* ---------- 快捷入口条 ---------- */
.quick-list{
  display:grid;
  gap:14px;
}
.quick-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(90deg,rgba(14,34,44,.9),rgba(10,26,34,.55));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quick-item:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1),0 12px 30px rgba(23,224,194,.12);
}
.quick-item:hover .quick-arrow{color:var(--brand);transform:translateX(4px);}
.quick-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(23,224,194,.1);
  border:1px solid rgba(23,224,194,.2);
  color:var(--brand);
  font-size:17px;
  flex:0 0 auto;
}
.quick-body{flex:1;min-width:0;}
.quick-title{
  font-size:16px;
  font-weight:600;
  color:var(--t1);
}
.quick-desc{
  margin-top:4px;
  font-size:14px;
  color:var(--t3);
}
.quick-arrow{
  color:var(--t3);
  font-size:15px;
  transition:transform .22s ease,color .22s ease;
  flex:0 0 auto;
}

/* ---------- 权益对比 ---------- */
.matrix-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  overflow-x:auto;
  overflow-y:hidden;
  box-shadow:var(--shadow-1);
}
.matrix{
  width:100%;
  min-width:760px;
  border-collapse:separate;
  border-spacing:0;
}
.matrix th,
.matrix td{
  padding:16px 18px;
  font-size:15px;
  text-align:center;
  border-bottom:1px solid var(--line);
  color:var(--t2);
}
.matrix th:first-child,
.matrix td:first-child{
  text-align:left;
  color:var(--t1);
  font-weight:600;
  position:sticky;
  left:0;
  background:rgba(10,26,34,.96);
  z-index:2;
}
.matrix thead th{
  color:var(--t1);
  font-weight:600;
  background:rgba(14,34,44,.94);
  font-size:15px;
}
.matrix thead th:first-child{background:rgba(14,34,44,.99);}
.matrix tbody tr:last-child td{border-bottom:0;}
.matrix tbody tr:hover td{background:rgba(23,224,194,.04);}
.matrix tbody tr:hover td:first-child{background:rgba(14,34,44,.98);}
.matrix .col-rec{
  background:rgba(23,224,194,.07);
  box-shadow:inset 1px 0 0 rgba(23,224,194,.22),inset -1px 0 0 rgba(23,224,194,.22);
}
.matrix thead th.col-rec{
  border-top:2px solid var(--brand);
  color:var(--brand);
  background:rgba(23,224,194,.1);
  position:relative;
}
.matrix thead th.col-rec::after{
  content:"推荐";
  position:absolute;
  top:-11px;
  left:50%;
  transform:translateX(-50%);
  padding:2px 10px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04241F;
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
}
.ico-yes{color:var(--brand);font-size:15px;text-shadow:0 0 12px rgba(23,224,194,.55);}
.ico-no{color:rgba(109,135,144,.7);font-size:14px;}
.matrix-note{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- 等级卡 ---------- */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.tier-card{
  position:relative;
  padding:26px 22px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(14,34,44,.92),rgba(10,26,34,.72));
  overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.tier-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}
.tier-card.tier-2::before{background:linear-gradient(90deg,#37F0D4,#0B9E8C);}
.tier-card.tier-3::before{background:linear-gradient(90deg,var(--accent),#C97F14);}
.tier-card.tier-4::before{background:linear-gradient(90deg,var(--accent-2),#4B3FD0);}
.tier-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1),0 18px 40px rgba(23,224,194,.16);
}
.tier-name{
  font-size:17px;
  font-weight:600;
  color:var(--t1);
}
.tier-badge{margin-top:10px;}
.tier-num{
  margin-top:18px;
  font-size:34px;
  font-weight:700;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  line-height:1.1;
}
.tier-num small{
  font-size:13px;
  font-weight:500;
  color:var(--t3);
  margin-left:6px;
}
.tier-desc{
  margin-top:12px;
  font-size:14px;
  color:var(--t2);
  line-height:1.7;
}
.tier-list{
  margin-top:16px;
  display:grid;
  gap:8px;
  font-size:14px;
  color:var(--t2);
}
.tier-list li{display:flex;align-items:flex-start;gap:8px;}
.tier-list i{color:var(--brand);font-size:12px;margin-top:6px;flex:0 0 auto;}

/* ---------- 专属内容预览 ---------- */
.preview-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  grid-template-rows:auto auto;
  gap:20px;
}
.preview-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-1);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.preview-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1),0 16px 36px rgba(23,224,194,.14);
}
.preview-large{
  grid-row:span 2;
  min-height:340px;
}
.preview-media{
  position:absolute;
  inset:0;
}
.preview-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.preview-card:hover .preview-media img{transform:scale(1.03);}
.preview-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,13,18,.24) 0%,rgba(5,13,18,.86) 78%,rgba(5,13,18,.96) 100%);
}
.preview-body{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:24px;
}
.preview-large .preview-body{padding:30px;}
.preview-title{
  font-size:18px;
  font-weight:600;
  color:var(--t1);
  margin-top:12px;
}
.preview-large .preview-title{font-size:22px;}
.preview-desc{
  margin-top:10px;
  font-size:14px;
  color:var(--t2);
  max-width:520px;
}
.preview-foot{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--t3);
}
.lock-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:rgba(255,176,58,.12);
  border:1px solid rgba(255,176,58,.24);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.news-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(14,34,44,.86),rgba(10,26,34,.6));
  overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1),0 16px 36px rgba(23,224,194,.14);
}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--bg-2);
  overflow:hidden;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .38s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,13,18,.06) 40%,rgba(5,13,18,.6) 100%);
  transition:opacity .3s ease;
}
.news-card:hover .news-thumb::after{opacity:.7;}
.news-tag{
  position:absolute;
  left:14px;
  top:14px;
  z-index:2;
}
.news-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.news-title{
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{
  margin-top:10px;
  font-size:14px;
  color:var(--t3);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
  border-top:1px solid var(--line);
}
.news-foot .go{color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  grid-column:1/-1;
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:rgba(10,26,34,.6);
}
.empty-state i{font-size:26px;color:var(--t3);}
.empty-state p{margin-top:14px;font-size:15px;color:var(--t3);}

/* ---------- 数据凭证 ---------- */
.evidence-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.evidence-card{
  padding:26px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(14,34,44,.82),rgba(10,26,34,.55));
  transition:transform .24s ease,border-color .24s ease;
}
.evidence-card:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.evidence-num{
  font-size:32px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.evidence-label{
  margin-top:6px;
  font-size:14px;
  color:var(--t1);
  font-weight:600;
}
.evidence-text{
  margin-top:10px;
  font-size:14px;
  color:var(--t3);
  line-height:1.75;
}

/* ---------- FAQ ---------- */
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1),0 10px 28px rgba(23,224,194,.1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 54px 20px 22px;
  font-size:18px;
  font-weight:600;
  color:var(--t1);
  position:relative;
  border-left:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{border-left-color:var(--brand);color:var(--brand);}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--t3);
  transition:transform .18s ease,color .18s ease;
}
.faq-item[open] summary::after{content:"−";color:var(--brand);}
.faq-body{
  padding:0 22px 22px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.85;
  border-left:2px solid rgba(23,224,194,.35);
  margin-left:0;
  animation:faqIn .18s ease;
}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  padding:48px;
  border-radius:var(--r-glass);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(120% 140% at 88% 0%,rgba(23,224,194,.2),rgba(23,224,194,0) 58%),
    linear-gradient(180deg,rgba(14,34,44,.94),rgba(10,26,34,.8));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-panel h2{
  font-size:clamp(22px,2.4vw,28px);
}
.cta-panel p{
  margin-top:14px;
  font-size:15px;
  color:var(--t2);
  max-width:560px;
}
.cta-list{
  margin-top:22px;
  display:grid;
  gap:10px;
  font-size:14px;
  color:var(--t2);
}
.cta-list li{display:flex;align-items:flex-start;gap:10px;}
.cta-list i{color:var(--brand);font-size:12px;margin-top:6px;}
.cta-actions{
  display:grid;
  gap:14px;
  justify-items:stretch;
}
.cta-actions .hint{
  font-size:13px;
  color:var(--t3);
  text-align:center;
}
.cta-side{
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(5,13,18,.5);
}
.cta-side .row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed rgba(120,255,235,.14);
  font-size:14px;
}
.cta-side .row:last-child{border-bottom:0;}
.cta-side .row b{
  color:var(--accent);
  font-size:20px;
  font-variant-numeric:tabular-nums;
  font-weight:700;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:24px;
  border-top:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(10,26,34,.7),rgba(5,13,18,.96));
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-size:16px;
  font-weight:700;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  color:var(--t3);
  line-height:1.85;
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--t1);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px;font-size:14px;}
.footer-links a{color:var(--t3);}
.footer-links a:hover{color:var(--brand);}
.footer-plain{color:var(--t3);font-size:14px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(3,9,12,.66);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:300;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(340px,88vw);
  background:var(--bg-1);
  border-left:1px solid var(--line-strong);
  transform:translateX(102%);
  transition:transform .26s ease;
  z-index:310;
  padding:20px 22px 28px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--t1);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-search{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--bg-2);
}
.drawer-search input{
  flex:1;
  background:transparent;
  border:0;
  outline:none;
  color:var(--t1);
  font-size:14px;
}
.drawer-nav{
  margin-top:22px;
  display:grid;
  gap:6px;
}
.drawer-nav a{
  padding:13px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--t2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--glass);color:var(--t1);}
.drawer-nav a.active{
  color:var(--brand);
  background:rgba(23,224,194,.09);
  border-color:rgba(23,224,194,.2);
}
.drawer-cta{margin-top:auto;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0;}
  .hero{padding:48px 0 88px;}
  .hero-grid{gap:40px;}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:1/-1;}
}

@media (max-width:991px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:block;}
  .header-right .btn-ghost{display:none !important;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{order:2;}
  .hero::before{opacity:.14;}
  .preview-grid{grid-template-columns:1fr;grid-template-rows:none;}
  .preview-large{grid-row:auto;min-height:280px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .evidence-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .hero{padding:32px 0 64px;}
  .hero-metrics{grid-template-columns:1fr;margin-top:32px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .link-arrow{width:100%;justify-content:center;}
  .quick-item{padding:16px 18px;gap:14px;align-items:flex-start;}
  .quick-desc{font-size:13px;}
  .news-grid{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .matrix th,.matrix td{padding:13px 14px;font-size:14px;}
  .cta-panel{padding:26px 20px;}
  .faq-item summary{font-size:16px;padding:16px 46px 16px 18px;}
  .faq-body{padding:0 18px 18px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:519px){
  .brand-text{font-size:15px;max-width:150px;}
  .metric{padding:14px 16px;}
  .metric-num{font-size:22px;}
  .preview-body{padding:20px;}
  .preview-large .preview-title{font-size:19px;}
  .status-card{left:12px;right:12px;bottom:12px;padding:14px;}
  .cta-side{padding:18px;}
}

/* roulang page: article */
:root{
  --bg-0:#050D12;
  --bg-1:#0A1A22;
  --bg-2:#0E222C;
  --brand:#17E0C2;
  --brand-deep:#0B9E8C;
  --accent:#FFB03A;
  --accent-2:#7C6CFF;
  --line:rgba(120,255,235,.14);
  --glass:rgba(255,255,255,.055);
  --t1:#EAF6F4;
  --t2:#A8BFC4;
  --t3:#6D8790;
  --glow:0 0 0 1px rgba(23,224,194,.32), 0 10px 30px rgba(23,224,194,.22);
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --container:1200px;
  --read:800px;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--t2);
  --bs-border-color:var(--line);
}
*{box-sizing:border-box}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(120,255,235,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,255,235,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.6;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-30%;
  left:-20%;
  width:70%;
  height:160%;
  background:linear-gradient(115deg,transparent 40%,rgba(23,224,194,.06) 50%,transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand)}
button,input{font:inherit}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 16px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(8,20,26,.86);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px rgba(0,0,0,.35);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--t1);
  font-weight:700;
  letter-spacing:.2px;
}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:30px;
  height:30px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04201C;
  font-size:15px;
  font-weight:800;
  box-shadow:0 0 16px rgba(23,224,194,.35);
}
.brand-text{font-size:16.5px;white-space:nowrap}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-right:auto;
}
.nav-link{
  padding:8px 14px;
  border-radius:var(--r-btn);
  color:var(--t2);
  font-size:15px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--t1);background:var(--glass)}
.nav-link.active{color:var(--brand);background:rgba(23,224,194,.1);box-shadow:inset 0 0 0 1px rgba(23,224,194,.28)}
.header-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border-radius:var(--r-btn);
  background:var(--bg-2);
  border:1px solid var(--line);
  color:var(--t3);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,224,194,.14)}
.nav-search input{
  width:150px;
  background:transparent;
  border:0;
  outline:0;
  color:var(--t1);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--t3)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  color:var(--t1);
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04201C;
  box-shadow:var(--glow);
}
.btn-brand:hover{color:#04201C;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,224,194,.4),0 14px 34px rgba(23,224,194,.3)}
.btn-brand:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--t1);
}
.btn-ghost:hover{background:var(--glass);border-color:var(--brand);color:var(--t1)}
.btn-sm{height:38px;padding:0 15px;font-size:14px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  background:var(--glass);
  border:1px solid var(--line);
  position:relative;
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  background:var(--t1);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .2s ease,opacity .2s ease;
  content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0}
/* 面包屑 */
.page-top{padding:32px 0 0}
.breadcrumb-nav ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
  font-size:13.5px;
  color:var(--t3);
}
.breadcrumb-nav li{display:flex;align-items:center;gap:8px}
.breadcrumb-nav li+li::before{content:"/";color:var(--t3);opacity:.6}
.breadcrumb-nav a{color:var(--t3)}
.breadcrumb-nav a:hover{color:var(--brand)}
.breadcrumb-nav li[aria-current="page"]{color:var(--t2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 文章头 */
.article-hero{padding:28px 0 12px}
.article-head{max-width:var(--read);margin:0 auto}
.article-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:var(--r-badge);
  background:rgba(23,224,194,.12);
  border:1px solid rgba(23,224,194,.28);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;
  line-height:1.28;
  margin:18px 0 18px;
  letter-spacing:.2px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  color:var(--t3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.meta-tag{
  padding:3px 10px;
  border-radius:var(--r-badge);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t2);
  font-size:12.5px;
}
/* 正文阅读区 */
.article-main{padding:32px 0 72px}
.article-body{
  max-width:var(--read);
  margin:0 auto;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:38px 40px 44px;
  font-size:17px;
  line-height:1.9;
  color:var(--t2);
  box-shadow:var(--shadow-1);
}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);
  margin:40px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.22em;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{
  font-size:19px;
  margin:30px 0 12px;
  color:var(--t1);
}
.article-body p{margin:0 0 18px;color:var(--t2)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,224,194,.4)}
.article-body a:hover{color:var(--t1)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body strong{color:var(--t1)}
.article-body blockquote{
  margin:24px 0;
  padding:14px 22px;
  border-left:3px solid var(--brand);
  background:var(--bg-2);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--t2);
}
.article-body img{border-radius:var(--r-img);margin:22px 0;width:100%;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:-8px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  background:var(--bg-2);
  border-radius:var(--r-btn);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  color:var(--t2);
}
.article-body th{background:rgba(23,224,194,.08);color:var(--t1);font-weight:600}
.article-body code{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 7px;
  font-size:14.5px;
  color:var(--brand);
}
.article-body pre{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:18px;
  overflow-x:auto;
}
.article-body pre code{background:none;border:0;padding:0;color:var(--t1)}
.empty-state{
  text-align:center;
  padding:52px 20px;
}
.empty-state i{font-size:34px;color:var(--brand);opacity:.85}
.empty-title{font-size:20px;font-weight:700;color:var(--t1);margin:18px 0 10px}
.empty-desc{color:var(--t2);max-width:420px;margin:0 auto 24px}
/* 标签 */
.tag-block{
  max-width:var(--read);
  margin:26px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.tag-block .tag-label{font-size:13px;color:var(--t3);margin-right:4px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t2);
  font-size:13.5px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(23,224,194,.08)}
/* 相关推荐 */
.section{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:30px;
}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{margin:8px 0 0;color:var(--t3);font-size:14.5px}
.section-more{font-size:14.5px;color:var(--t2);display:inline-flex;align-items:center;gap:8px}
.section-more:hover{color:var(--brand)}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  height:100%;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand);
  box-shadow:0 0 0 1px rgba(23,224,194,.25),0 16px 36px rgba(23,224,194,.16);
}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease,filter .3s ease;
}
.post-card:hover .thumb img{transform:scale(1.03);filter:brightness(1.08)}
.thumb .thumb-badge{
  position:absolute;
  left:12px;
  top:12px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:rgba(5,13,18,.72);
  border:1px solid rgba(23,224,194,.32);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body h3 a:hover{color:var(--brand)}
.post-excerpt{
  font-size:14.5px;
  color:var(--t2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--t3);
}
/* CTA */
.cta-panel{
  background:linear-gradient(150deg,rgba(23,224,194,.12),rgba(255,255,255,.04));
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(140%);
  padding:40px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px}
.cta-panel p{color:var(--t2);margin:0 0 22px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--t2)}
.cta-list i{color:var(--brand);margin-top:5px;font-size:13px}
/* 页脚 */
.site-footer{
  margin-top:24px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  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(23,224,194,.6),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
  padding:58px 0 34px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-weight:700;
  font-size:16px;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;margin:0;max-width:330px}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t3)}
.footer-links a:hover{color:var(--brand)}
.footer-plain{font-size:13.5px;color:var(--t3);line-height:1.7}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
/* 响应式 */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
}
@media (max-width:991.98px){
  .section{padding:56px 0}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;
    top:64px;
    right:0;
    bottom:0;
    width:min(320px,84vw);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:84px 20px 24px;
    transform:translateX(105%);
    transition:transform .28s ease;
    margin-right:0;
    z-index:1000;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);box-shadow:-20px 0 50px rgba(0,0,0,.5)}
  .nav-link{padding:12px 14px;font-size:15.5px}
  .nav-search{
    position:fixed;
    top:76px;
    right:16px;
    width:min(288px,calc(84vw - 32px));
    z-index:1001;
    display:none;
  }
  .main-nav.open ~ .header-right .nav-search{display:flex}
  .main-nav.open ~ .header-right .nav-search input{width:100%}
  .btn-ghost{display:none}
  .article-body{padding:30px 26px 34px;font-size:16.5px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 26px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .brand-text{font-size:15px}
  .nav-search input{width:110px}
  .page-top{padding:22px 0 0}
  .article-hero{padding:20px 0 8px}
  .article-title{margin:14px 0 14px}
  .article-meta{gap:12px;padding-bottom:18px}
  .article-main{padding:24px 0 56px}
  .article-body{padding:24px 18px 28px;border-radius:14px;font-size:16.5px;line-height:1.85}
  .article-body h2{margin:32px 0 14px}
  .card-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .breadcrumb-nav li[aria-current="page"]{max-width:100%;white-space:normal}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .btn{padding:0 16px;font-size:14.5px}
  .cta-actions .btn{width:100%}
  .article-body{padding:20px 15px 24px}
}

/* roulang page: category1 */
:root{
  --bg-0:#050D12;
  --bg-1:#0A1A22;
  --bg-2:#0E222C;
  --brand:#17E0C2;
  --brand-deep:#0B9E8C;
  --accent:#FFB03A;
  --accent-2:#7C6CFF;
  --line:rgba(120,255,235,0.14);
  --glass:rgba(255,255,255,0.055);
  --t1:#EAF6F4;
  --t2:#A8BFC4;
  --t3:#6D8790;
  --glow:0 0 0 1px rgba(23,224,194,.32), 0 10px 30px rgba(23,224,194,.22);
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.5);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --header-h:64px;
  --maxw:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(23,224,194,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(23,224,194,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-30%;
  left:-10%;
  width:120%;
  height:70%;
  background:linear-gradient(115deg,transparent 38%,rgba(23,224,194,.06) 50%,transparent 62%);
  transform:rotate(-6deg);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container,
.container-fluid{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;position:relative;z-index:1;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,13,18,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04140F;
  font-size:16px;
  font-weight:800;
  box-shadow:0 6px 18px rgba(23,224,194,.28);
  flex:0 0 auto;
}
.brand-text{font-size:16px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:var(--r-btn);
  white-space:nowrap;
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.active{color:var(--brand);background:rgba(23,224,194,.09);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(23,224,194,.7);
}
.header-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--bg-2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--t3);font-size:13px;}
.nav-search input{
  width:150px;
  background:transparent;
  border:0;
  outline:none;
  font-size:13.5px;
  color:var(--t1);
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,224,194,.14);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .２s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-brand{
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-brand:hover{transform:translateY(-1px);filter:brightness(1.06);color:#04140F;}
.btn-brand:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--t1);
}
.btn-ghost:hover{border-color:var(--brand);background:var(--glass);color:var(--t1);}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  position:relative;
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--t1);
  transform:translateX(-50%);
  transition:transform .25s ease,opacity .２s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:calc(var(--header-h) + 44px) 0 56px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(5,13,18,.35),rgba(5,13,18,.94)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-80px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,194,.18),transparent 68%);
  pointer-events:none;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--t3);
  margin-bottom:20px;
}
.crumbs a{color:var(--t2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--t3);}
.crumbs .current{color:var(--brand);}

.hero-split{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:36px;
  align-items:center;
  position:relative;
  z-index:1;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--r-badge);
  background:rgba(23,224,194,.1);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:13px;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.25;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.3px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
}
.hero-lead{
  margin-top:16px;
  font-size:16.5px;
  color:var(--t2);
  max-width:640px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:24px;
  font-size:13.5px;
  color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--brand);font-size:13px;}

.hero-figure{
  position:relative;
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--bg-1);
  box-shadow:var(--shadow-2);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,13,18,.1),rgba(5,13,18,.72));
}
.hero-chip{
  position:absolute;
  left:16px;
  right:16px;
  bottom:16px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(10,26,34,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.hero-chip .hc-label{font-size:12.5px;color:var(--t3);}
.hero-chip .hc-value{font-size:14.5px;color:var(--t1);font-weight:600;}
.hero-chip .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(23,224,194,.16);
  display:inline-block;margin-right:8px;
}

/* ============ 布局：左侧目录 + 右侧内容流 ============ */
.cat-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:36px;
  padding-top:56px;
  padding-bottom:20px;
  align-items:start;
}
.cat-toc{position:sticky;top:calc(var(--header-h) + 20px);}
.toc-card{
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  padding:20px 18px;
}
.toc-title{
  font-size:13px;
  color:var(--t3);
  letter-spacing:1px;
  margin-bottom:12px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--t2);
  border-left:2px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--t1);}
.toc-list a.active{
  color:var(--brand);
  background:rgba(23,224,194,.09);
  border-left-color:var(--brand);
}
.toc-list .toc-num{
  font-size:12px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
  line-height:1.7;
}
.toc-cta{margin-top:14px;}

/* ============ 板块通用 ============ */
.section{padding:52px 0;}
.section:first-child{padding-top:0;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  color:var(--t1);
  line-height:1.35;
}
.section-head p{margin-top:10px;color:var(--t2);font-size:15.5px;}
.section-tag{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:1.6px;
  color:var(--brand);
  margin-bottom:10px;
}

/* ============ 要点卡 ============ */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.point-card{
  padding:22px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-1);
  transition:transform .２s ease,border-color .２s ease,box-shadow .２s ease,background-color .２s ease;
}
.point-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand);
  background:var(--bg-2);
  box-shadow:var(--shadow-1),0 0 26px rgba(23,224,194,.12);
}
.point-icon{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(23,224,194,.1);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:17px;
  margin-bottom:14px;
}
.point-card h3{font-size:17px;font-weight:600;color:var(--t1);margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--t2);}

/* ============ 条目清单 ============ */
.entry-list{display:flex;flex-direction:column;gap:12px;}
.entry-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) 26px;
  align-items:center;
  gap:16px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-1);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.entry-item:hover{
  transform:translateX(4px);
  border-color:var(--brand);
  background:var(--bg-2);
  box-shadow:0 0 24px rgba(23,224,194,.12);
}
.entry-index{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:linear-gradient(150deg,rgba(23,224,194,.18),rgba(11,158,140,.08));
  border:1px solid var(--line);
  color:var(--brand);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.entry-body h3{font-size:16.5px;font-weight:600;color:var(--t1);margin-bottom:4px;}
.entry-body p{font-size:14px;color:var(--t2);}
.entry-arrow{color:var(--t3);font-size:15px;transition:color .2s ease,transform .2s ease;}
.entry-item:hover .entry-arrow{color:var(--brand);transform:translateX(3px);}

/* ============ 图文块 ============ */
.feature-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:center;
  padding:26px;
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:var(--bg-1);
}
.feature-split .figure{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid var(--line);
}
.feature-split .figure img{width:100%;height:100%;object-fit:cover;}
.feature-split h3{font-size:19px;font-weight:600;color:var(--t1);margin-bottom:12px;}
.feature-split p{font-size:15px;color:var(--t2);margin-bottom:10px;}
.check-list{display:flex;flex-direction:column;gap:9px;margin-top:6px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);}
.check-list i{color:var(--accent);font-size:13px;margin-top:5px;}

/* ============ 对比表 ============ */
.table-shell{
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:var(--bg-1);
  overflow:hidden;
}
.spec-table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
}
.spec-table thead th{
  background:var(--bg-2);
  color:var(--t1);
  font-weight:600;
  font-size:14px;
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.spec-table tbody td{
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  color:var(--t2);
  vertical-align:top;
}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover td{background:rgba(255,255,255,.03);}
.spec-table td:first-child{color:var(--t1);font-weight:600;}
.tag{
  display:inline-block;
  padding:3px 9px;
  border-radius:var(--r-badge);
  font-size:12.5px;
  background:rgba(23,224,194,.12);
  color:var(--brand);
  border:1px solid rgba(23,224,194,.22);
  white-space:nowrap;
}
.tag-amber{background:rgba(255,176,58,.12);color:var(--accent);border-color:rgba(255,176,58,.24);}
.tag-violet{background:rgba(124,108,255,.14);color:#A79CFF;border-color:rgba(124,108,255,.26);}
.table-note{margin-top:14px;font-size:13.5px;color:var(--t3);}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.step{
  position:relative;
  padding:24px 18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
}
.step::before{
  content:"";
  position:absolute;
  top:0;left:18px;right:18px;
  height:3px;
  border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}
.step-num{
  font-size:13px;
  color:var(--t3);
  letter-spacing:1.4px;
  font-variant-numeric:tabular-nums;
  margin-bottom:10px;
  display:block;
}
.step h3{font-size:16px;font-weight:600;color:var(--t1);margin-bottom:8px;}
.step p{font-size:14px;color:var(--t2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(23,224,194,.4);box-shadow:0 0 24px rgba(23,224,194,.1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px 18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:2px;
  border-radius:2px;
  background:var(--brand);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:0 0 auto;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .２s ease,opacity .２s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  padding:40px 36px;
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:
    linear-gradient(140deg,rgba(23,224,194,.12),rgba(5,13,18,.9) 62%),
    var(--bg-1);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-100px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,194,.2),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:28px;
  align-items:center;
}
.cta-panel h2{
  font-size:clamp(21px,2.2vw,26px);
  color:var(--t1);
  font-weight:700;
  line-height:1.4;
}
.cta-panel p{margin-top:12px;font-size:15px;color:var(--t2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-side{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:18px;
  border-radius:14px;
  background:rgba(5,13,18,.5);
  border:1px solid var(--line);
}
.cta-side li{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.cta-side i{color:var(--brand);font-size:12px;margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,26,34,.5),rgba(5,13,18,.98));
  padding:56px 0 26px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-weight:700;
  font-size:16px;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;max-width:320px;}
.footer-title{
  font-size:13px;
  letter-spacing:1.2px;
  color:var(--brand);
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{font-size:14px;color:var(--t2);}
.footer-links a:hover{color:var(--brand);}
.footer-plain{font-size:14px;color:var(--t3);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .cat-layout{grid-template-columns:236px minmax(0,1fr);gap:28px;}
  .nav-search input{width:118px;}
}
@media (max-width:991px){
  .nav-search,.header-right .btn-ghost{display:none;}
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;
    top:var(--header-h);
    right:0;
    bottom:0;
    width:min(320px,86vw);
    margin:0;
    padding:22px 18px 32px;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    transform:translateX(102%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:90;
    box-shadow:-24px 0 48px rgba(0,0,0,.5);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:15.5px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{border-left:2px solid var(--brand);}
  .hero-split{grid-template-columns:1fr;gap:28px;}
  .hero-figure{order:2;aspect-ratio:16/9;}
  .cat-layout{grid-template-columns:1fr;gap:24px;padding-top:44px;}
  .cat-toc{position:static;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{border-left:0;border:1px solid var(--line);padding:7px 12px;font-size:13.5px;}
  .toc-list a.active{border-color:var(--brand);}
  .toc-note{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .page-hero{padding:calc(var(--header-h) + 30px) 0 42px;}
  .hero-lead{font-size:15.5px;}
  .section{padding:42px 0;}
  .point-grid{grid-template-columns:1fr;}
  .feature-split{grid-template-columns:1fr;padding:20px;}
  .entry-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:16px;}
  .entry-index{width:44px;height:44px;font-size:15px;border-radius:12px;}
  .entry-arrow{display:none;}
  .spec-table thead th,.spec-table tbody td{padding:12px 14px;font-size:14px;}
  .cta-panel{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .btn{padding:0 16px;font-size:14.5px;}
  .steps{grid-template-columns:1fr;}
  .table-shell{overflow-x:auto;}
  .spec-table{min-width:520px;}
  .faq-item summary{font-size:15.5px;padding:16px 16px 16px 18px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#050D12;
  --bg-1:#0A1A22;
  --bg-2:#0E222C;
  --brand:#17E0C2;
  --brand-deep:#0B9E8C;
  --accent:#FFB03A;
  --accent-2:#7C6CFF;
  --line:rgba(120,255,235,0.14);
  --glass:rgba(255,255,255,0.055);
  --t1:#EAF6F4;
  --t2:#A8BFC4;
  --t3:#6D8790;
  --glow:0 0 0 1px rgba(23,224,194,.32), 0 10px 30px rgba(23,224,194,.22);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-hover:0 2px 8px rgba(0,0,0,.35), 0 14px 34px rgba(23,224,194,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(23,224,194,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,224,194,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
body::after{
  content:"";position:fixed;inset:-30% -10%;pointer-events:none;z-index:0;
  background:linear-gradient(115deg,transparent 42%,rgba(23,224,194,.055) 50%,transparent 58%);
}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 14px}
a{color:var(--t2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.site-header,.site-footer,main{position:relative;z-index:1}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{margin:8px 0 0;color:var(--t3);font-size:14px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.04em;
  background:rgba(23,224,194,.09);border:1px solid var(--line);
  border-radius:var(--r-badge);padding:5px 12px;margin-bottom:16px;
}
.badge-soft{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 10px;
  border-radius:var(--r-badge);background:rgba(23,224,194,.12);
  color:var(--brand);border:1px solid rgba(23,224,194,.22);
}
.badge-accent{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 10px;
  border-radius:var(--r-badge);background:rgba(255,176,58,.13);
  color:var(--accent);border:1px solid rgba(255,176,58,.26);
}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;height:64px;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(10,26,34,.84);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,224,194,.28);
  box-shadow:0 10px 28px rgba(0,0,0,.38);
}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04211C;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(23,224,194,.28);
}
.brand-text{color:var(--t1);font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  font-size:15px;color:var(--t2);padding:8px 13px;border-radius:10px;
  border:1px solid transparent;position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--t1);background:var(--glass);border-color:var(--line)}
.nav-link.active{color:var(--brand);background:rgba(23,224,194,.08);border-color:var(--line)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,224,194,.14)}
.nav-search i{color:var(--t3);font-size:13px}
.nav-search input{
  background:transparent;border:0;outline:none;color:var(--t1);
  font-size:14px;width:172px;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;position:relative;
  background:var(--glass);border:1px solid var(--line);cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;height:2px;width:18px;background:var(--t1);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease,background .25s ease;
}
.nav-toggle span{top:50%;left:50%;transform:translate(-50%,-50%)}
.nav-toggle span::before{content:"";left:0;top:-6px}
.nav-toggle span::after{content:"";left:0;top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);background:var(--brand)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);background:var(--brand)}
.drawer-extra{display:none}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-btn);
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#032019;box-shadow:var(--glow);border-radius:999px;
}
.btn-brand:hover{transform:translateY(-1px);filter:brightness(1.06);color:#032019;box-shadow:0 0 0 1px rgba(23,224,194,.4),0 14px 34px rgba(23,224,194,.3)}
.btn-brand:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--t1);
}
.btn-ghost:hover{border-color:var(--brand);background:var(--glass);color:var(--t1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:999px}
.btn-lg{padding:14px 30px;font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--t2)}
.link-arrow i{transition:transform .2s ease;font-size:12px}
.link-arrow:hover i{transform:translateX(4px)}
/* hero */
.page-hero{padding:56px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.breadcrumb-nav{margin-bottom:22px}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.breadcrumb-nav li{display:flex;align-items:center;gap:8px}
.breadcrumb-nav li+li::before{content:"/";color:var(--t3);opacity:.6}
.breadcrumb-nav a{color:var(--t3)}
.breadcrumb-nav a:hover{color:var(--brand)}
.breadcrumb-nav [aria-current]{color:var(--t2)}
.page-hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.25;margin-bottom:18px}
.page-hero .lead{font-size:17px;color:var(--t1);font-weight:600;margin-bottom:12px}
.page-hero .desc{max-width:600px;color:var(--t2)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:26px 0 30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;border-top:1px solid var(--line);padding-top:22px}
.metric{min-width:120px}
.metric b{
  display:block;color:var(--accent);font-size:24px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.metric span{font-size:13px;color:var(--t3)}
.hero-visual{position:relative}
.ratio-hero{
  position:relative;border-radius:var(--r-glass);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/12;box-shadow:var(--shadow-1);
}
.ratio-hero img{width:100%;height:100%;object-fit:cover;opacity:.82}
.ratio-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,13,18,.12),rgba(5,13,18,.82));
}
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-1);
}
.status-card{
  position:absolute;left:-18px;bottom:-26px;width:min(300px,86%);
  padding:18px 20px;
}
.status-card h3{font-size:15px;margin-bottom:12px;color:var(--t1)}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;padding:7px 0;border-bottom:1px dashed rgba(120,255,235,.12)}
.status-row:last-child{border-bottom:0}
.status-row span{color:var(--t3)}
.status-row b{color:var(--t1);font-weight:600;font-variant-numeric:tabular-nums}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(23,224,194,.8);display:inline-block;margin-right:6px}
/* flow */
.flow-track{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding-top:10px;margin-top:14px}
.flow-track::before{
  content:"";position:absolute;top:28px;left:5%;right:5%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,224,194,.55),transparent);
}
.flow-step{position:relative;padding-top:64px;text-align:center}
.flow-step .node{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--brand);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--t2);margin:0}
.flow-note{
  margin-top:40px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 22px;border-radius:var(--r-card);
  background:rgba(23,224,194,.06);border:1px solid var(--line);
}
.flow-note i{color:var(--brand)}
.flow-note span{font-size:14px;color:var(--t2)}
/* prep */
.prep-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center}
.prep-list{display:grid;gap:16px;margin-top:6px}
.prep-item{
  display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.prep-item:hover{border-color:rgba(23,224,194,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.prep-item i{color:var(--brand);font-size:18px;margin-top:3px}
.prep-item h3{font-size:17px;margin-bottom:6px}
.prep-item p{margin:0;font-size:14.5px}
.prep-visual{position:relative;border-radius:var(--r-glass);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.prep-visual img{width:100%;height:100%;object-fit:cover}
.prep-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:var(--t2);
  background:linear-gradient(180deg,transparent,rgba(5,13,18,.88));
}
/* entries */
.entry-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.entry{
  display:flex;align-items:center;gap:16px;padding:20px 22px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.entry:hover{border-color:var(--brand);background:var(--bg-2);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.entry-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,224,194,.1);border:1px solid var(--line);color:var(--brand);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.entry-body{display:block;min-width:0}
.entry-body b{display:block;color:var(--t1);font-size:16.5px;font-weight:600;margin-bottom:3px}
.entry-body span{display:block;font-size:14px;color:var(--t3);line-height:1.65}
.entry-arrow{margin-left:auto;color:var(--t3);font-size:13px;transition:transform .2s ease,color .2s ease}
.entry:hover .entry-arrow{color:var(--brand);transform:translateX(4px)}
/* compare table */
.compare-wrap{
  padding:8px;border-radius:var(--r-glass);background:var(--glass);
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);
}
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;margin:0;color:var(--t2)}
.cmp-table thead th{
  text-align:left;font-size:13px;letter-spacing:.03em;color:var(--brand);
  padding:18px 22px;border-bottom:1px solid var(--line);font-weight:600;white-space:nowrap;
}
.cmp-table tbody td{padding:18px 22px;border-bottom:1px solid rgba(120,255,235,.08);font-size:14.5px;vertical-align:middle}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr{transition:background .2s ease}
.cmp-table tbody tr:hover{background:rgba(23,224,194,.05)}
.cmp-table td:first-child{color:var(--t1);font-weight:600}
.cmp-table .time{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}
/* status strip */
.status-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.status-item{
  display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
}
.status-item i{font-size:16px;color:var(--brand)}
.status-item b{display:block;color:var(--t1);font-size:15.5px;font-weight:600}
.status-item span{font-size:13px;color:var(--t3)}
.status-item .meta{margin-left:auto;text-align:right}
/* faq */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(23,224,194,.42)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:16px;
  color:var(--t1);font-size:18px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--brand);
  transition:transform .18s ease;font-weight:400;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{
  padding:0 24px 22px 24px;border-left:2px solid var(--brand);margin-left:0;
  color:var(--t2);font-size:15px;animation:faqIn .18s ease;
}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
/* cta */
.cta-panel{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  padding:44px;border-radius:var(--r-glass);position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px}
.cta-panel p{max-width:560px}
.cta-benefits{display:grid;gap:10px;margin:22px 0 26px}
.cta-benefits li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--t2)}
.cta-benefits i{color:var(--accent);font-size:13px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-side{border-left:1px solid var(--line);padding-left:36px}
.cta-side .kv{display:flex;justify-content:space-between;gap:16px;font-size:14px;padding:12px 0;border-bottom:1px dashed rgba(120,255,235,.12)}
.cta-side .kv:last-child{border-bottom:0}
.cta-side .kv span{color:var(--t3)}
.cta-side .kv b{color:var(--t1);font-variant-numeric:tabular-nums}
/* footer */
.site-footer{border-top:1px solid rgba(23,224,194,.24);background:var(--bg-1);margin-top:20px;box-shadow:0 -12px 34px rgba(23,224,194,.06)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--t1);font-weight:700;font-size:16px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--t3);max-width:320px;margin:0}
.footer-title{color:var(--t1);font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:11px;font-size:14px}
.footer-links a{color:var(--t3)}
.footer-links a:hover{color:var(--brand)}
.footer-plain{color:var(--t3);font-size:14px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);
}
/* responsive */
@media (max-width:1199.98px){
  .container{max-width:1000px}
  .nav-search input{width:130px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(330px,88vw);
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 32px;transform:translateX(100%);
    transition:transform .28s ease;z-index:70;overflow-y:auto;
    box-shadow:-18px 0 40px rgba(0,0,0,.45);
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:12px 14px;font-size:15.5px}
  .nav-search{display:none}
  .header-right .btn-ghost{display:none}
  .drawer-extra{display:grid;gap:12px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
  .drawer-extra .nav-search{display:flex;border-radius:12px}
  .drawer-extra .nav-search input{width:100%}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:2}
  .status-card{left:auto;right:14px;bottom:-20px}
  .flow-track{grid-template-columns:1fr;gap:16px;padding-top:0}
  .flow-track::before{display:none}
  .flow-step{padding:0 0 0 62px;text-align:left;min-height:56px}
  .flow-step .node{left:0;top:0;transform:none}
  .prep-grid{grid-template-columns:1fr;gap:34px}
  .entry-list{grid-template-columns:1fr}
  .status-strip{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px}
  .cta-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px}
}
@media (max-width:767.98px){
  .brand-text{font-size:15.5px}
  .page-hero{padding:40px 0 56px}
  .hero-metrics{gap:20px}
  .metric b{font-size:21px}
  .cmp-table thead{display:none}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
  .cmp-table tbody tr{
    border:1px solid var(--line);border-radius:var(--r-card);
    background:rgba(255,255,255,.03);margin-bottom:14px;padding:8px 0;
  }
  .cmp-table tbody td{
    border-bottom:0;display:flex;justify-content:space-between;gap:18px;
    padding:10px 18px;text-align:right;
  }
  .cmp-table tbody td::before{
    content:attr(data-label);color:var(--t3);font-size:13px;flex:0 0 auto;text-align:left;
  }
  .faq-item summary{font-size:16px;padding:17px 18px}
  .faq-body{padding:0 18px 18px 18px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:14px}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .brand-text{font-size:14.5px}
  .btn{padding:10px 18px;font-size:14px}
  .btn-lg{padding:13px 22px}
  .entry{padding:16px 16px;gap:12px}
  .entry-num{width:34px;height:34px;font-size:13px}
  .cta-panel{padding:24px}
  .glass-card{padding:16px}
  .hero-actions{gap:12px}
}