/* roulang page: index */
:root{
  --bg:#070c16;
  --bg-soft:#0a1120;
  --panel:#101a2b;
  --panel-2:#142035;
  --line:rgba(126,170,224,.16);
  --line-strong:rgba(126,170,224,.32);
  --text:#e9f0fb;
  --text-2:#b9c7db;
  --muted:#8697b1;
  --neon:#2ef2b3;
  --neon-2:#45c8ff;
  --warn:#ffb94a;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(3,8,18,.55);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--neon-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--neon);}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.35;margin:0 0 .6em;letter-spacing:.2px;}
h1{font-size:2.55rem;}
h2{font-size:1.9rem;}
h3{font-size:1.16rem;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px;}

.site-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,12,22,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,242,179,.55),rgba(69,200,255,.45),transparent);
}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
}
.site-logo{display:flex;align-items:center;gap:12px;min-width:0;}
.site-logo__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-size:19px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  box-shadow:0 8px 22px rgba(46,242,179,.28);
}
.site-logo__text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.site-logo__text strong{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.site-logo__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:2px;}
.site-nav{display:flex;align-items:center;gap:6px;}
.site-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.site-nav a:hover{color:var(--neon);background:rgba(46,242,179,.08);}
.site-nav a.is-active{
  color:var(--neon);
  background:rgba(46,242,179,.1);
  box-shadow:inset 0 0 0 1px rgba(46,242,179,.32);
}
.site-nav__cta{
  margin-left:6px;
  color:#04121a !important;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  font-weight:700;
  box-shadow:0 8px 20px rgba(46,242,179,.24);
}
.site-nav__cta:hover{color:#04121a !important;background:linear-gradient(135deg,#4bffc6,#6bd6ff);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:rgba(255,255,255,.03);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn--primary{
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  color:#04121a;
  box-shadow:0 12px 28px rgba(46,242,179,.24);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(46,242,179,.32);color:#04121a;}
.btn--ghost{
  border-color:var(--line-strong);
  color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(46,242,179,.55);color:var(--neon);background:rgba(46,242,179,.07);}
.btn--block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:66px 0 58px;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 50% -12%, rgba(46,242,179,.16), transparent 72%),
    radial-gradient(720px 380px at 88% 4%, rgba(69,200,255,.13), transparent 70%),
    var(--bg);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(126,170,224,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,170,224,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 10%,transparent 78%);
  pointer-events:none;
}
.hero > .site-container{position:relative;z-index:2;}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px;}
.hero__tag{
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13px;
  color:var(--text-2);
  letter-spacing:.5px;
}
.hero__tag--hot{
  color:var(--neon);
  border-color:rgba(46,242,179,.45);
  background:rgba(46,242,179,.09);
}
.hero h1{
  max-width:960px;
  margin:0 auto .5em;
  text-align:center;
  font-size:2.55rem;
  letter-spacing:.5px;
}
.hero__desc{
  max-width:880px;
  margin:0 auto 30px;
  text-align:center;
  color:var(--text-2);
  font-size:16.5px;
  line-height:2;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px;}
.hero__quick{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.hero__quick-item{
  display:block;
  min-width:0;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.92),rgba(12,19,32,.92));
  color:var(--text);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.hero__quick-item:hover{
  transform:translateY(-4px);
  border-color:rgba(46,242,179,.45);
  box-shadow:0 16px 34px rgba(3,8,18,.6);
  color:var(--text);
}
.hero__quick-item strong{display:block;font-size:16px;color:var(--text);margin-bottom:6px;}
.hero__quick-item span{display:block;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ Section 通用 ============ */
.section{padding:72px 0;position:relative;}
.section--alt{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:38px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  margin-bottom:14px;
  border-radius:999px;
  border:1px solid rgba(46,242,179,.32);
  background:rgba(46,242,179,.08);
  color:var(--neon);
  font-size:12.5px;
  letter-spacing:1.2px;
}
.section-head h2{margin-bottom:.45em;}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.95;margin:0;}

/* ============ 下载区 ============ */
.section--download{padding:38px 0 56px;}
.download-panel{
  border:1px solid rgba(46,242,179,.26);
  border-radius:24px;
  padding:34px;
  background:
    radial-gradient(560px 240px at 12% 0%, rgba(46,242,179,.16), transparent 70%),
    linear-gradient(150deg,rgba(18,30,49,.96),rgba(9,15,26,.96));
  box-shadow:var(--shadow);
}
.download-panel__head{margin-bottom:26px;}
.download-panel__head h2{font-size:1.72rem;margin-bottom:.35em;}
.download-panel__head p{margin:0;color:var(--text-2);font-size:15px;max-width:720px;}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.download-card{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
  padding:18px 20px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.035);
  color:var(--text);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.download-card:hover{
  transform:translateY(-3px);
  border-color:rgba(46,242,179,.6);
  background:rgba(46,242,179,.09);
  color:var(--text);
}
.download-card__icon{
  flex:0 0 46px;
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.5px;
  color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
}
.download-card__text{min-width:0;}
.download-card__text strong{display:block;font-size:15.5px;color:var(--text);}
.download-card__text span{display:block;font-size:12.5px;color:var(--muted);}

/* ============ 通用卡片 ============ */
.card{
  height:100%;
  min-width:0;
  padding:26px 24px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(20,32,53,.9),rgba(11,18,31,.9));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,242,179,.42);
  box-shadow:0 18px 38px rgba(3,8,18,.55);
}
.card h3{margin-bottom:.55em;}
.card p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0;}
.card__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  margin-bottom:16px;
  border-radius:11px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--neon);
  background:rgba(46,242,179,.1);
  border:1px solid rgba(46,242,179,.3);
}
.tag{
  display:inline-block;
  padding:3px 11px;
  border-radius:999px;
  border:1px solid rgba(69,200,255,.3);
  background:rgba(69,200,255,.08);
  color:var(--neon-2);
  font-size:12px;
  line-height:1.7;
}
.grid-gap{margin-bottom:0;}

/* ============ 费用说明 ============ */
.fee-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:24px;align-items:start;}
.fee-list{display:grid;gap:14px;}
.fee-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:16px;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(20,32,53,.7);
  transition:border-color .2s ease,background .2s ease;
}
.fee-item:hover{border-color:rgba(46,242,179,.4);background:rgba(46,242,179,.06);}
.fee-item__key{
  flex:0 0 auto;
  align-self:start;
  padding:4px 12px;
  border-radius:8px;
  background:rgba(46,242,179,.12);
  border:1px solid rgba(46,242,179,.28);
  color:var(--neon);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.fee-item h3{font-size:15.5px;margin:0 0 .35em;}
.fee-item p{margin:0;color:var(--text-2);font-size:14px;line-height:1.8;}
.fee-note{
  padding:26px 24px;
  border-radius:var(--radius);
  border:1px solid rgba(255,185,74,.28);
  background:rgba(255,185,74,.06);
}
.fee-note h3{color:var(--warn);font-size:16px;margin-bottom:.6em;}
.fee-note p{color:var(--text-2);font-size:14.5px;line-height:1.9;margin:0;}
.fee-note p + p{margin-top:12px;}

/* ============ 方案矩阵 ============ */
.plan-card{position:relative;overflow:hidden;}
.plan-card__flag{
  position:absolute;
  top:0;right:0;
  padding:5px 15px;
  border-bottom-left-radius:12px;
  font-size:12px;
  font-weight:700;
  color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
}
.plan-card ul{margin-top:16px;display:grid;gap:9px;}
.plan-card ul li{
  position:relative;
  padding-left:18px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.75;
}
.plan-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:.6em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px rgba(46,242,179,.7);
}

/* ============ 工具卡 ============ */
.tool-card{display:flex;flex-direction:column;}
.tool-card__foot{margin-top:auto;padding-top:18px;}
.tool-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:700;
  color:var(--neon);
}
.tool-link:hover{color:var(--neon-2);}

/* ============ 结算流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.flow-item{
  min-width:0;
  padding:24px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(20,32,53,.72);
  position:relative;
  transition:border-color .2s ease,transform .2s ease;
}
.flow-item:hover{border-color:rgba(46,242,179,.42);transform:translateY(-3px);}
.flow-item__step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  margin-bottom:14px;
  border-radius:50%;
  font-size:14px;
  font-weight:800;
  color:var(--neon);
  border:1px solid rgba(46,242,179,.4);
  background:rgba(46,242,179,.09);
}
.flow-item h3{font-size:15px;margin-bottom:.45em;}
.flow-item p{margin:0;color:var(--text-2);font-size:13.8px;line-height:1.8;}

/* ============ 对比 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.compare-card{
  padding:28px 26px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(16,26,43,.86);
  min-width:0;
}
.compare-card--bad{border-color:rgba(255,122,122,.28);background:rgba(255,122,122,.05);}
.compare-card--good{border-color:rgba(46,242,179,.34);background:rgba(46,242,179,.06);}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:17px;}
.compare-card--bad h3{color:#ff8f8f;}
.compare-card--good h3{color:var(--neon);}
.compare-card ul{display:grid;gap:12px;margin-top:8px;}
.compare-card li{
  position:relative;
  padding-left:20px;
  color:var(--text-2);
  font-size:14.2px;
  line-height:1.8;
}
.compare-card li::before{
  content:"";
  position:absolute;
  left:0;top:.65em;
  width:8px;height:8px;
  border-radius:2px;
  background:rgba(126,170,224,.5);
}
.compare-card--bad li::before{background:rgba(255,122,122,.65);}
.compare-card--good li::before{background:var(--neon);}

/* ============ 场景 ============ */
.scene-card{padding-top:22px;}
.scene-card .tag{margin-bottom:12px;}

/* ============ 路径 ============ */
.path-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.path-item{
  min-width:0;
  padding:22px 18px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(20,32,53,.85),rgba(11,18,31,.85));
}
.path-item span{
  display:block;
  font-size:12px;
  letter-spacing:1px;
  color:var(--neon-2);
  margin-bottom:8px;
}
.path-item h3{font-size:14.8px;margin-bottom:.4em;}
.path-item p{margin:0;color:var(--muted);font-size:13.4px;line-height:1.75;}

/* ============ 资讯（CMS） ============ */
.news-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:26px;align-items:start;}
.news-layout--single{grid-template-columns:minmax(0,1fr);}
.news-main{display:grid;gap:14px;}
.news-item{
  min-width:0;
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(16,26,43,.8);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.news-item:hover{border-color:rgba(46,242,179,.42);transform:translateY(-2px);background:rgba(46,242,179,.05);}
.news-item__title{font-size:16.5px;margin:0 0 .45em;}
.news-item__title a{color:var(--text);}
.news-item__title a:hover{color:var(--neon);}
.news-item__desc{margin:0 0 12px;color:var(--text-2);font-size:14px;line-height:1.8;}
.news-item__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}
.news-side{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(16,26,43,.8);
}
.news-side h3{font-size:15.5px;margin-bottom:16px;}
.news-side ul{display:grid;gap:14px;}
.news-side li{min-width:0;}
.news-side a{
  display:block;
  color:var(--text-2);
  font-size:14px;
  line-height:1.7;
  padding-bottom:13px;
  border-bottom:1px dashed rgba(126,170,224,.18);
  transition:color .2s ease;
}
.news-side li:last-child a{border-bottom:0;padding-bottom:0;}
.news-side a:hover{color:var(--neon);}
.news-side time{display:block;font-size:12px;color:var(--muted);margin-top:5px;}
.news-more{margin-top:22px;}
.news-empty{
  padding:26px;
  border-radius:var(--radius-sm);
  border:1px dashed var(--line-strong);
  color:var(--muted);
  font-size:14px;
  text-align:center;
  margin:0;
}

/* ============ 保障 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.trust-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:16px;
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(20,32,53,.7);
  min-width:0;
}
.trust-item__icon{
  flex:0 0 42px;
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(69,200,255,.1);
  border:1px solid rgba(69,200,255,.28);
  color:var(--neon-2);
  font-size:14px;
  font-weight:800;
}
.trust-item h3{font-size:15.5px;margin-bottom:.35em;}
.trust-item p{margin:0;color:var(--text-2);font-size:14px;line-height:1.85;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(16,26,43,.78);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(46,242,179,.42);background:rgba(46,242,179,.05);}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:19px 52px 19px 22px;
  position:relative;
  font-size:15.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--neon);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--neon);}
.faq-item__body{padding:0 22px 22px;color:var(--text-2);font-size:14.4px;line-height:1.9;}
.faq-item__body p{margin:0;}

/* ============ 加入表单 ============ */
.join-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:32px;
  align-items:start;
  padding:36px;
  border-radius:24px;
  border:1px solid rgba(46,242,179,.24);
  background:
    radial-gradient(500px 240px at 100% 0%, rgba(69,200,255,.14), transparent 70%),
    linear-gradient(150deg,rgba(18,30,49,.96),rgba(9,15,26,.96));
  box-shadow:var(--shadow);
}
.join-info h2{font-size:1.7rem;}
.join-info p{color:var(--text-2);font-size:15px;line-height:1.95;}
.join-points{display:grid;gap:12px;margin-top:22px;}
.join-points li{
  position:relative;
  padding-left:20px;
  color:var(--text-2);
  font-size:14.2px;
  line-height:1.8;
}
.join-points li::before{
  content:"";
  position:absolute;
  left:0;top:.65em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px rgba(46,242,179,.6);
}
.join-form{display:grid;gap:16px;}
.join-form .field{display:grid;gap:7px;min-width:0;}
.join-form label{font-size:13.5px;color:var(--text-2);}
.join-form input,
.join-form select,
.join-form textarea{
  width:100%;
  padding:12px 15px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:14.5px;
  font-family:inherit;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.join-form textarea{resize:vertical;min-height:96px;}
.join-form input:focus,
.join-form select:focus,
.join-form textarea:focus{
  outline:none;
  border-color:rgba(46,242,179,.65);
  background:rgba(46,242,179,.06);
  box-shadow:0 0 0 3px rgba(46,242,179,.14);
}
.join-form select option{background:#0d1626;color:var(--text);}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}

/* ============ Footer ============ */
.site-footer{
  background:#050a12;
  border-top:1px solid var(--line);
  padding:56px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);
  gap:34px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(126,170,224,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .site-logo__mark{width:36px;height:36px;flex:0 0 36px;font-size:17px;border-radius:10px;}
.footer-brand strong{font-size:16.5px;color:var(--text);}
.footer-about{color:var(--muted);font-size:14px;line-height:1.9;margin:0;max-width:420px;}
.footer-col h4{font-size:14px;color:var(--text);letter-spacing:1px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--neon);}
.footer-risk{
  color:#7f8ea6;
  font-size:13px;
  line-height:1.9;
  padding:22px 0 0;
  margin:0;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding-top:20px;
  border-top:1px solid rgba(126,170,224,.12);
  color:#6d7c93;
  font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  h1{font-size:2.2rem;}
  .hero h1{font-size:2.2rem;}
  .download-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .fee-layout{grid-template-columns:minmax(0,1fr);}
  .news-layout{grid-template-columns:minmax(0,1fr);}
  .join-wrap{grid-template-columns:minmax(0,1fr);padding:28px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}
@media (max-width:860px){
  .site-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:14px 16px 20px;
    background:rgba(7,12,22,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(3,8,18,.6);
  }
  .site-nav.is-open{display:flex;}
  .site-nav a{padding:12px 16px;justify-content:center;}
  .site-nav__cta{margin-left:0;margin-top:6px;}
  .nav-toggle{display:flex;}
  .hero__quick{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .hero{padding:48px 0 44px;}
  h1{font-size:1.85rem;}
  .hero h1{font-size:1.85rem;}
  h2{font-size:1.55rem;}
  .hero__desc{font-size:15.4px;line-height:1.95;}
  .download-grid{grid-template-columns:minmax(0,1fr);}
  .download-panel{padding:24px;}
  .compare-grid{grid-template-columns:minmax(0,1fr);}
  .trust-grid{grid-template-columns:minmax(0,1fr);}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .section-head{margin-bottom:28px;}
  .field-row{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:520px){
  .site-container{padding:0 15px;}
  h1{font-size:1.6rem;}
  .hero h1{font-size:1.6rem;line-height:1.5;}
  h2{font-size:1.36rem;}
  .hero__tag{font-size:12px;padding:6px 12px;}
  .btn{padding:12px 22px;font-size:14px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .path-grid{grid-template-columns:minmax(0,1fr);}
  .card{padding:22px 18px;}
  .download-panel{padding:20px;border-radius:18px;}
  .join-wrap{padding:22px 18px;border-radius:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --bg:#070c16;
  --bg-soft:#0a1120;
  --panel:#101a2b;
  --panel-2:#142035;
  --line:rgba(126,170,224,.16);
  --line-strong:rgba(126,170,224,.32);
  --text:#e9f0fb;
  --text-2:#b9c7db;
  --muted:#8697b1;
  --neon:#2ef2b3;
  --neon-2:#45c8ff;
  --warn:#ffb94a;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(3,8,18,.55);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--neon-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--neon);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);font-weight:800;line-height:1.35;letter-spacing:.3px;overflow-wrap:break-word;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em 0;padding-left:1.25em;}
li{margin-bottom:.4em;}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,12,22,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,242,179,.55),rgba(69,200,255,.45),transparent);
}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;position:relative;}
.site-logo{display:flex;align-items:center;gap:12px;min-width:0;}
.site-logo__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;font-size:19px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  box-shadow:0 8px 22px rgba(46,242,179,.28);
}
.site-logo__text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.site-logo__text strong{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.site-logo__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:2px;}
.site-nav{display:flex;align-items:center;gap:6px;}
.site-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.site-nav a:hover{color:var(--neon);background:rgba(46,242,179,.08);}
.site-nav a.is-active{color:var(--neon);background:rgba(46,242,179,.1);box-shadow:inset 0 0 0 1px rgba(46,242,179,.32);}
.site-nav__cta{
  margin-left:6px;color:#04121a !important;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  font-weight:700;box-shadow:0 8px 20px rgba(46,242,179,.24);
}
.site-nav__cta:hover{color:#04121a !important;background:linear-gradient(135deg,#4bffc6,#6bd6ff);}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line-strong);border-radius:12px;
  background:rgba(255,255,255,.03);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);}
/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn--primary{background:linear-gradient(135deg,var(--neon),var(--neon-2));color:#04121a;box-shadow:0 12px 28px rgba(46,242,179,.24);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(46,242,179,.32);color:#04121a;}
.btn--ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02);}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(46,242,179,.55);color:var(--neon);background:rgba(46,242,179,.07);}
.btn--block{width:100%;}
.btn:focus-visible,.site-nav a:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--neon-2);outline-offset:3px;}
/* ============ 文章首屏 ============ */
.article-hero{
  position:relative;padding:40px 0 34px;overflow:hidden;
  background:
    radial-gradient(820px 360px at 20% -20%, rgba(46,242,179,.16), transparent 70%),
    radial-gradient(680px 320px at 92% 0%, rgba(69,200,255,.13), transparent 72%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(126,170,224,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,170,224,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 10%,#000 8%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 30% 10%,#000 8%,transparent 76%);
}
.article-hero > .site-container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--neon);}
.crumb__now{color:var(--text);}
.article-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);line-height:1.4;}
.tag--neon{color:var(--neon);border-color:rgba(46,242,179,.45);background:rgba(46,242,179,.09);}
.tag--ghost{color:var(--muted);}
.article-hero h1{font-size:2.05rem;line-height:1.4;max-width:960px;margin-bottom:.45em;}
.article-hero__desc{max-width:900px;color:var(--text-2);font-size:16px;line-height:1.95;margin:0;}
/* ============ 主体布局 ============ */
.section{padding:56px 0;position:relative;}
.section--alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:30px;}
.section-head h2{font-size:1.6rem;margin-bottom:.35em;}
.section-head p{color:var(--muted);margin:0;font-size:15px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:28px;align-items:start;
}
.article-panel{
  min-width:0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.92),rgba(12,19,32,.92));
  box-shadow:var(--shadow);
  padding:34px 34px 26px;
}
.article-body{font-size:16.5px;line-height:2;color:var(--text-2);word-break:break-word;}
.article-body h2{font-size:1.4rem;margin:1.7em 0 .7em;padding-left:14px;border-left:4px solid var(--neon);color:var(--text);}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:1.15rem;margin:1.5em 0 .6em;color:var(--text);}
.article-body h4{font-size:1.02rem;margin:1.3em 0 .5em;color:var(--text);}
.article-body p{margin:0 0 1.15em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body strong{color:var(--text);}
.article-body a{color:var(--neon-2);text-decoration:underline;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;color:var(--text);
  border-left:4px solid var(--neon-2);
  background:rgba(69,200,255,.07);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:1.2em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:rgba(46,242,179,.08);color:var(--text);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-empty{text-align:left;padding:18px 0 8px;}
.article-empty h2{font-size:1.35rem;color:var(--text);}
.article-empty p{color:var(--muted);}
.article-empty .btn{margin-top:12px;}
/* ============ 侧栏 ============ */
.article-aside{min-width:0;display:flex;flex-direction:column;gap:18px;}
.aside-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.9),rgba(11,18,30,.9));
  padding:22px;
  box-shadow:0 12px 30px rgba(3,8,18,.4);
}
.aside-card h3{font-size:15px;letter-spacing:.5px;color:var(--text);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.info-list{list-style:none;margin:0;padding:0;}
.info-list li{display:flex;justify-content:space-between;gap:14px;font-size:14px;margin-bottom:11px;color:var(--muted);}
.info-list li:last-child{margin-bottom:0;}
.info-list strong{color:var(--text-2);font-weight:600;text-align:right;min-width:0;overflow-wrap:break-word;}
.tip-list{list-style:none;margin:0;padding:0;}
.tip-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:12px;}
.tip-list li:last-child{margin-bottom:0;}
.tip-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(46,242,179,.7);}
.mini-dl{display:flex;flex-direction:column;gap:10px;}
.mini-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:14px;color:var(--text-2);transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.mini-dl a:hover{color:var(--neon);border-color:rgba(46,242,179,.5);transform:translateX(3px);}
.mini-dl a span{color:var(--muted);font-size:12.5px;}
/* ============ 下载区 ============ */
.download-section{
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(46,242,179,.12), transparent 70%),
    var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  min-width:0;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.94),rgba(11,18,30,.94));
  padding:26px 24px;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.dl-card:hover{transform:translateY(-4px);border-color:rgba(46,242,179,.42);box-shadow:0 18px 38px rgba(3,8,18,.6);}
.dl-card__icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.5px;color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  box-shadow:0 10px 24px rgba(46,242,179,.24);
  margin-bottom:16px;
}
.dl-card h3{font-size:17px;margin-bottom:8px;}
.dl-card p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:20px;flex:1 1 auto;}
/* ============ 栏目入口 & 延伸 ============ */
.link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.link-card{
  min-width:0;display:block;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.9),rgba(11,18,30,.9));
  padding:24px;color:var(--text);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(69,200,255,.45);box-shadow:0 16px 34px rgba(3,8,18,.6);color:var(--text);}
.link-card strong{display:block;font-size:16.5px;color:var(--text);margin-bottom:8px;}
.link-card span{display:block;font-size:14px;line-height:1.8;color:var(--muted);}
.link-card em{display:inline-block;margin-top:14px;font-style:normal;font-size:13.5px;color:var(--neon);}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(16,26,43,.85);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(46,242,179,.4);}
.faq-item summary{
  cursor:pointer;padding:16px 20px;font-size:15.5px;font-weight:700;color:var(--text);
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--neon);flex:0 0 auto;}
.faq-item[open] summary::after{content:"−";}
.faq-item__body{padding:0 20px 18px;font-size:14.5px;line-height:1.95;color:var(--text-2);}
.faq-item__body p:last-child{margin-bottom:0;}
/* ============ 风险提示 ============ */
.risk-note{
  border:1px solid rgba(255,185,74,.32);
  border-radius:var(--radius);
  background:rgba(255,185,74,.07);
  padding:22px 24px;
}
.risk-note h3{font-size:15px;color:var(--warn);margin-bottom:10px;}
.risk-note p{font-size:14px;line-height:1.95;color:var(--text-2);margin:0;}
/* ============ Footer ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:52px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand strong{font-size:16px;color:var(--text);}
.footer-about{font-size:14px;line-height:1.9;color:var(--muted);margin:0;max-width:520px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--neon);}
.footer-risk{
  margin:30px 0 0;padding:16px 18px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);
  font-size:13px;line-height:1.9;color:var(--muted);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{flex-direction:row;flex-wrap:wrap;}
  .aside-card{flex:1 1 300px;}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-hero h1{font-size:1.8rem;}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px 20px 18px;
    background:rgba(7,12,22,.98);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .site-nav.is-open{display:flex;}
  .site-nav a{padding:12px 14px;border-radius:10px;}
  .site-nav__cta{margin-left:0;text-align:center;}
  .section{padding:44px 0;}
  .article-panel{padding:24px 20px 20px;}
  .article-hero{padding:30px 0 26px;}
  .article-hero h1{font-size:1.55rem;}
  .article-hero__desc{font-size:15px;}
  .link-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .article-aside{flex-direction:column;}
  .aside-card{flex:1 1 auto;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .article-body{font-size:16px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .site-logo__text strong{font-size:17px;}
  .article-panel{padding:20px 16px 16px;}
  .article-hero h1{font-size:1.35rem;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg:#070c16;
  --bg-soft:#0a1120;
  --panel:#101a2b;
  --panel-2:#142035;
  --line:rgba(126,170,224,.16);
  --line-strong:rgba(126,170,224,.32);
  --text:#e9f0fb;
  --text-2:#b9c7db;
  --muted:#8697b1;
  --neon:#2ef2b3;
  --neon-2:#45c8ff;
  --warn:#ffb94a;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(3,8,18,.55);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--neon-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--neon);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.35;color:var(--text);}
h1{font-size:2.1rem;letter-spacing:.4px;}
h2{font-size:1.55rem;letter-spacing:.3px;}
h3{font-size:1.1rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.site-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,12,22,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,242,179,.55),rgba(69,200,255,.45),transparent);
}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
}
.site-logo{display:flex;align-items:center;gap:12px;min-width:0;}
.site-logo__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-size:19px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  box-shadow:0 8px 22px rgba(46,242,179,.28);
}
.site-logo__text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.site-logo__text strong{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.site-logo__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:2px;}
.site-nav{display:flex;align-items:center;gap:6px;}
.site-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.site-nav a:hover{color:var(--neon);background:rgba(46,242,179,.08);}
.site-nav a.is-active{
  color:var(--neon);
  background:rgba(46,242,179,.1);
  box-shadow:inset 0 0 0 1px rgba(46,242,179,.32);
}
.site-nav__cta{
  margin-left:6px;
  color:#04121a !important;
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  font-weight:700;
  box-shadow:0 8px 20px rgba(46,242,179,.24);
}
.site-nav__cta:hover{color:#04121a !important;background:linear-gradient(135deg,#4bffc6,#6bd6ff);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:rgba(255,255,255,.03);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);}
/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn--primary{
  background:linear-gradient(135deg,var(--neon),var(--neon-2));
  color:#04121a;
  box-shadow:0 12px 28px rgba(46,242,179,.24);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(46,242,179,.32);color:#04121a;}
.btn--ghost{
  border-color:var(--line-strong);
  color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(46,242,179,.55);color:var(--neon);background:rgba(46,242,179,.07);}
.btn--block{width:100%;}
.btn:focus-visible,.site-nav a:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--neon-2);
  outline-offset:3px;
}
/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;
  padding:58px 0 56px;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 24% -18%, rgba(46,242,179,.16), transparent 70%),
    radial-gradient(760px 380px at 92% 8%, rgba(69,200,255,.13), transparent 72%),
    var(--bg);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(126,170,224,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,170,224,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 40% 18%,#000 8%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 40% 18%,#000 8%,transparent 76%);
  pointer-events:none;
}
.cat-hero__grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:38px;
  align-items:start;
}
.crumb-trail{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:18px;
}
.crumb-trail a{color:var(--text-2);}
.crumb-trail a:hover{color:var(--neon);}
.crumb-trail span{color:var(--muted);}
.tag-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  margin-bottom:18px;
  border-radius:999px;
  border:1px solid rgba(46,242,179,.45);
  background:rgba(46,242,179,.09);
  color:var(--neon);
  font-size:13px;
  letter-spacing:.6px;
}
.cat-hero h1{
  font-size:2.45rem;
  line-height:1.32;
  margin-bottom:18px;
}
.cat-hero__lead{
  color:var(--text-2);
  font-size:16.5px;
  line-height:1.95;
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:grid;gap:12px;}
.hero-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  min-width:0;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.hero-points li::before{
  content:"";
  flex:0 0 8px;
  width:8px;height:8px;
  margin-top:8px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px rgba(46,242,179,.8);
}
.apply-panel{
  padding:26px 24px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(20,32,53,.96),rgba(10,17,32,.96));
  box-shadow:var(--shadow);
}
.apply-panel h2{
  font-size:1.15rem;
  margin-bottom:6px;
}
.apply-panel__sub{
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.badge-list{display:grid;gap:10px;margin-bottom:18px;}
.badge-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  min-width:0;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.badge-list li i{
  flex:0 0 22px;
  width:22px;height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  background:rgba(69,200,255,.14);
  color:var(--neon-2);
  font-style:normal;
  font-size:12px;
  font-weight:700;
  margin-top:3px;
}
.panel-note{
  font-size:13px;
  color:var(--muted);
  line-height:1.75;
  padding-top:16px;
  margin-bottom:18px;
  border-top:1px dashed var(--line-strong);
}
/* ============ Section 通用 ============ */
.section{padding:70px 0;position:relative;}
.section--alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  font-size:12.5px;
  letter-spacing:2px;
  color:var(--neon-2);
  text-transform:uppercase;
}
/* ============ 指标看板 ============ */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.metric-card{
  min-width:0;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(20,32,53,.94),rgba(11,18,31,.94));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.metric-card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,242,179,.42);
  box-shadow:0 16px 34px rgba(3,8,18,.6);
}
.metric-card__no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  margin-bottom:14px;
  border-radius:10px;
  border:1px solid rgba(46,242,179,.35);
  background:rgba(46,242,179,.1);
  color:var(--neon);
  font-size:13px;
  font-weight:800;
}
.metric-card h3{font-size:1.02rem;margin-bottom:8px;}
.metric-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
/* ============ 服务矩阵 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.feature-card{
  min-width:0;
  padding:24px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 16px 34px rgba(3,8,18,.55);
}
.feature-card__top{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.feature-card__top h3{margin:0;font-size:1.05rem;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--neon-2);
  background:rgba(69,200,255,.12);
  border:1px solid rgba(69,200,255,.28);
}
.chip--warn{color:var(--warn);background:rgba(255,185,74,.12);border-color:rgba(255,185,74,.3);}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.feature-card dl{margin:14px 0 0;}
.feature-card dt{font-size:13px;color:var(--neon);margin-bottom:2px;}
.feature-card dd{margin:0 0 10px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.feature-card dd:last-child{margin-bottom:0;}
/* ============ 对比表 ============ */
.compare-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  -webkit-overflow-scrolling:touch;
}
.compare-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:14.5px;
}
.compare-table th,
.compare-table td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.75;
}
.compare-table thead th{
  background:rgba(46,242,179,.07);
  color:var(--neon);
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
}
.compare-table tbody th{
  color:var(--text);
  font-weight:700;
  background:rgba(255,255,255,.02);
  white-space:nowrap;
}
.compare-table td{color:var(--text-2);}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.8;
}
/* ============ 里程碑时间线 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
  position:relative;
}
.step-card{
  min-width:0;
  padding:22px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(16,26,43,.95),rgba(9,15,27,.95));
  position:relative;
  transition:border-color .22s ease,transform .22s ease;
}
.step-card:hover{border-color:rgba(46,242,179,.42);transform:translateY(-3px);}
.step-card__idx{
  display:inline-block;
  margin-bottom:12px;
  font-size:12px;
  letter-spacing:1.6px;
  color:var(--neon-2);
}
.step-card h3{font-size:1rem;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;}
/* ============ 资讯列表 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.news-card{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,242,179,.4);
  box-shadow:0 16px 34px rgba(3,8,18,.55);
}
.news-card__meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:12.5px;
  color:var(--muted);
}
.news-card__meta em{
  font-style:normal;
  padding:2px 9px;
  border-radius:999px;
  color:var(--neon-2);
  background:rgba(69,200,255,.1);
  border:1px solid rgba(69,200,255,.24);
}
.news-card__title{
  font-size:1.02rem;
  font-weight:700;
  line-height:1.6;
  color:var(--text);
  display:block;
}
.news-card__title:hover{color:var(--neon);}
.news-card__summary{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  margin:0;
}
.news-empty{
  padding:30px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  color:var(--muted);
  font-size:14.5px;
  text-align:center;
  background:rgba(255,255,255,.02);
}
/* ============ 保障 ============ */
.guard-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.guard-item{
  display:flex;
  gap:16px;
  min-width:0;
  padding:22px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.02);
}
.guard-item__icon{
  flex:0 0 42px;
  width:42px;height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(46,242,179,.2),rgba(69,200,255,.16));
  color:var(--neon);
  font-size:16px;
  font-weight:800;
}
.guard-item h3{font-size:1rem;margin-bottom:6px;}
.guard-item p{font-size:14px;color:var(--text-2);line-height:1.78;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(46,242,179,.4);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:15.5px;
  font-weight:700;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  font-weight:400;
  color:var(--neon);
  line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--neon);}
.faq-item__body{
  padding:0 22px 20px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
}
/* ============ 下载条 ============ */
.download-band{
  padding:38px 34px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:
    radial-gradient(600px 260px at 12% 0%, rgba(46,242,179,.16), transparent 70%),
    linear-gradient(150deg,rgba(20,32,53,.96),rgba(9,15,27,.96));
  box-shadow:var(--shadow);
}
.download-band__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:28px;
  align-items:center;
}
.download-band h2{font-size:1.4rem;margin-bottom:10px;}
.download-band p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.download-actions{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.dl-btn{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
  padding:16px 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--text);
  text-align:center;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.dl-btn strong{font-size:15px;font-weight:800;}
.dl-btn span{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.dl-btn:hover{
  transform:translateY(-3px);
  border-color:rgba(46,242,179,.55);
  background:rgba(46,242,179,.09);
  box-shadow:0 14px 28px rgba(3,8,18,.5);
  color:var(--neon);
}
/* ============ 申请表单 ============ */
.apply-form{
  padding:32px 30px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(20,32,53,.95),rgba(10,17,32,.95));
}
.apply-form__grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 18px;
  margin-bottom:22px;
}
.field{display:flex;flex-direction:column;gap:8px;min-width:0;}
.field--full{grid-column:1 / -1;}
.field__label{font-size:13.5px;color:var(--text-2);font-weight:700;}
.field__input,
.field__select,
.field__textarea{
  width:100%;
  min-width:0;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:rgba(7,12,22,.75);
  color:var(--text);
  font-size:14.5px;
  font-family:inherit;
  line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
  -webkit-appearance:none;
  height:auto;
  margin:0;
}
.field__textarea{min-height:96px;resize:vertical;}
.field__input:focus,
.field__select:focus,
.field__textarea:focus{
  outline:none;
  border-color:rgba(46,242,179,.6);
  box-shadow:0 0 0 3px rgba(46,242,179,.14);
}
.field__input::placeholder,
.field__textarea::placeholder{color:#5f7291;}
.apply-form__footer{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.apply-form__note{
  flex:1 1 260px;
  min-width:0;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin:0;
}
/* ============ Footer ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding:54px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);
  gap:34px;
  padding-bottom:30px;
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand strong{font-size:16px;color:var(--text);line-height:1.5;}
.footer-about{font-size:14px;color:var(--muted);line-height:1.85;max-width:520px;}
.footer-col h4{font-size:14.5px;color:var(--text);margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--neon);}
.footer-risk{
  margin:24px 0 0;
  padding:16px 18px;
  border:1px solid rgba(255,185,74,.24);
  border-radius:var(--radius-sm);
  background:rgba(255,185,74,.06);
  color:#d8c39a;
  font-size:13px;
  line-height:1.8;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  margin-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .cat-hero__grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cat-hero h1{font-size:2.1rem;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr));}
  .download-band__grid{grid-template-columns:minmax(0,1fr);gap:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}
@media screen and (max-width:768px){
  body{font-size:15.5px;}
  .site-header__inner{min-height:64px;}
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 20px 20px;
    background:rgba(7,12,22,.98);
    border-bottom:1px solid var(--line-strong);
    box-shadow:0 20px 40px rgba(3,8,18,.65);
  }
  .site-nav.is-open{display:flex;}
  .site-nav a{padding:12px 16px;border-radius:12px;font-size:15px;}
  .site-nav__cta{margin-left:0;justify-content:center;margin-top:6px;}
  .section{padding:52px 0;}
  .cat-hero{padding:40px 0 44px;}
  .cat-hero h1{font-size:1.72rem;}
  .cat-hero__lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .metric-grid{grid-template-columns:minmax(0,1fr);}
  .feature-grid{grid-template-columns:minmax(0,1fr);}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .timeline{grid-template-columns:minmax(0,1fr);}
  .guard-grid{grid-template-columns:minmax(0,1fr);}
  .download-actions{grid-template-columns:minmax(0,1fr);}
  .download-band{padding:28px 22px;}
  .apply-form{padding:24px 20px;}
  .apply-form__grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .apply-form__footer .btn{width:100%;}
}
@media screen and (max-width:520px){
  .site-container{padding:0 16px;}
  .cat-hero h1{font-size:1.5rem;}
  h2{font-size:1.3rem;}
  .site-logo__text strong{font-size:17px;}
  .site-logo__text em{font-size:11px;letter-spacing:1px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}