/* roulang page: index */
:root{
  --brand:#1358D8;
  --brand-dark:#0E44AB;
  --brand-light:#E8F0FE;
  --neon:#12D3C8;
  --neon-2:#7B5CFF;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --bg-2:#EAF1FA;
  --line:#DFE8F4;
  --text:#101B33;
  --text-2:#46556F;
  --text-3:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-text:#EAF6FF;
  --dark-text-2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --t:.2s cubic-bezier(.2,.7,.3,1);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:600;letter-spacing:0;}
p{margin-bottom:22px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(18,211,200,.28);}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,18,38,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:box-shadow var(--t),background var(--t);
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,rgba(18,211,200,.85),rgba(123,92,255,.85));
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(4,10,24,.45);background:rgba(8,14,30,.98);}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:28px;height:28px;flex:0 0 28px;}
.logo-text{color:#fff;font-size:16px;font-weight:600;letter-spacing:.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:12px 14px;
  color:var(--dark-text-2);font-size:15px;font-weight:500;
  transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;
  background:rgba(18,211,200,.4);opacity:0;transition:opacity var(--t);
}
.nav-link:hover{color:var(--dark-text);}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:#fff;}
.nav-link.active::after{height:2px;background:var(--neon);opacity:1;}
.nav-link.active{text-shadow:0 0 12px rgba(18,211,200,.6);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--neon);color:#0A1226;font-size:15px;font-weight:600;
  transition:transform var(--t),box-shadow var(--t),background var(--t);
  white-space:nowrap;
}
.btn-neon:hover{background:#38E3D9;box-shadow:var(--ring);}
.btn-neon:active{transform:translateY(1px);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.1);}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--dark-text);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{
  display:none;background:#0A1226;border-top:1px solid rgba(255,255,255,.08);
  padding:8px 24px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:13px 4px;color:var(--dark-text-2);font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-drawer a.active{color:#fff;border-left:3px solid var(--neon);padding-left:12px;}
.nav-drawer .btn-neon{margin-top:16px;width:100%;height:44px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh2),var(--ring);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn-dark{background:#0A1226;color:#fff;}
.btn-dark:hover{background:#14213F;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;
}
.link-arrow::after{content:"→";transition:transform var(--t);}
.link-arrow:hover::after{transform:translateX(3px);}
.inline-link{color:var(--brand);border-bottom:2px solid rgba(19,88,216,.28);padding-bottom:1px;transition:color var(--t),border-color var(--t);}
.inline-link:hover{color:var(--neon);border-color:var(--neon);}

/* ---------- 板块基座 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:#0E9E96;letter-spacing:.08em;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(18,211,200,.7);}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:600;}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.lead{color:var(--text-2);font-size:17px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:#F7FAFF;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;right:-160px;bottom:-200px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,88,216,.05) 0 38%,rgba(19,88,216,.03) 39% 58%,rgba(19,88,216,0) 59%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;top:0;right:0;bottom:0;
  background-image:linear-gradient(rgba(19,88,216,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(19,88,216,.035) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:88px 0 96px;}
.hero-copy h1{margin:18px 0 20px;max-width:15em;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.trust-bar{display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px solid var(--line);}
.trust-item strong{display:block;font-size:24px;font-weight:700;color:var(--brand);letter-spacing:-.4px;}
.trust-item span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:18px;overflow:hidden;
  box-shadow:var(--sh3);border:1px solid var(--line);background:var(--bg-2);
  aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;right:18px;bottom:18px;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh2);
}
.float-badge{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--neon),var(--brand));
  color:#fff;font-size:13px;font-weight:700;
}
.float-text strong{display:block;font-size:14px;font-weight:600;}
.float-text span{font-size:12px;color:var(--text-3);}

/* ---------- 权益对比表 ---------- */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh2);overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;font-size:15px;}
.compare-table thead th{
  background:var(--dark-2);color:#fff;font-weight:600;text-align:left;
  padding:18px 22px;font-size:15px;
}
.compare-table thead th:nth-child(2),
.compare-table thead th:nth-child(3){text-align:center;width:22%;}
.compare-table thead th:nth-child(3){background:#122a53;box-shadow:inset 0 2px 0 0 var(--neon);}
.compare-table tbody tr:nth-child(even){background:#F7FAFE;}
.compare-table tbody td{padding:0 22px;height:56px;border-top:1px solid #E9EFF8;vertical-align:middle;}
.compare-table tbody td+td{border-left:1px solid #E3EAF5;}
.compare-table tbody td:nth-child(2),
.compare-table tbody td:nth-child(3){text-align:center;}
.compare-table tbody td:nth-child(3){background:#EDFBF9;}
.compare-table tbody td:nth-child(3){box-shadow:inset 0 0 0 0 transparent;}
.cell-name{font-weight:600;color:var(--text);}
.cell-note{display:block;font-size:13px;color:var(--text-3);font-weight:400;}
.mark-yes{
  display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;
  background:var(--neon);color:#fff;font-size:12px;font-weight:700;line-height:1;
}
.mark-no{display:inline-block;width:16px;height:2px;background:rgba(133,147,172,.55);border-radius:2px;vertical-align:middle;}
.plain-fact{font-size:14px;color:var(--text-2);}

/* ---------- 等级卡 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.level-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:28px 24px 24px;overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.level-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--neon),var(--brand));}
.level-card.lv-2::before{background:linear-gradient(90deg,var(--brand),#4A8BF0);}
.level-card.lv-3::before{background:linear-gradient(90deg,#5A8CF5,var(--neon-2));}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.level-card.recommended{transform:translateY(-8px);box-shadow:var(--sh3);border-color:#CDE4FF;}
.level-card.recommended:hover{transform:translateY(-10px);}
.level-badge{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#12D3C8,#1358D8);
}
.level-card.lv-2 .level-badge{background:linear-gradient(135deg,#1358D8,#4A8BF0);}
.level-card.lv-3 .level-badge{background:linear-gradient(135deg,#5A8CF5,#7B5CFF);}
.level-card h3{margin:18px 0 6px;}
.level-audience{font-size:14px;color:var(--text-3);margin-bottom:16px;}
.level-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.level-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
.tick{flex:0 0 16px;width:16px;height:16px;margin-top:6px;border-radius:4px;background:rgba(18,211,200,.16);position:relative;}
.tick::after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:2px solid var(--neon);border-top:0;border-left:0;transform:rotate(42deg);}
.rec-tag{
  position:absolute;right:16px;top:16px;
  background:var(--neon);color:#0A1226;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;letter-spacing:.04em;
}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.content-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:transform var(--t),box-shadow var(--t);
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh3);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.content-card:hover .card-media img{transform:scale(1.03);}
.card-tag{
  position:absolute;left:12px;top:12px;
  background:var(--neon);color:#0A1226;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;letter-spacing:.04em;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;transition:color var(--t);}
.content-card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .link-arrow{font-size:14px;}

/* ---------- 最新信息 ---------- */
.latest-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden;}
.news-item{border-bottom:1px solid #E9EFF8;transition:background var(--t);}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:#F8FBFF;}
.news-link{display:flex;gap:18px;padding:20px;position:relative;}
.news-link::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--neon);opacity:0;transition:opacity var(--t);}
.news-item:hover .news-link::before{opacity:1;}
.news-thumb{
  flex:0 0 112px;width:112px;aspect-ratio:4/3;border-radius:var(--r-md);
  object-fit:cover;background:var(--bg-2);border:1px solid var(--line);
}
.news-body{min-width:0;}
.news-body h3{font-size:17px;line-height:1.45;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover .news-body h3{color:var(--brand);}
.news-desc{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.badge{
  display:inline-block;font-size:12px;letter-spacing:.04em;font-weight:500;
  color:var(--brand);background:var(--brand-light);border-radius:999px;padding:2px 10px;
}
.dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block;}
.news-empty{padding:48px 24px;text-align:center;color:var(--text-3);font-size:15px;}

.side-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);padding:24px;margin-bottom:24px;}
.side-block h3{font-size:17px;margin-bottom:16px;}
.side-list li{border-bottom:1px dashed #E9EFF8;padding:11px 0;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14px;color:var(--text-2);display:block;transition:color var(--t),transform var(--t);}
.side-list a:hover{color:var(--brand);transform:translateX(2px);}
.side-note{font-size:13px;color:var(--text-3);line-height:1.8;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:inline-block;font-size:13px;color:var(--text-2);background:var(--bg-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;transition:all var(--t);
}
.pill:hover{color:var(--brand);border-color:#BFD8FA;background:var(--brand-light);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);overflow:hidden;transition:border-color var(--t);}
.faq-item.open{border-color:#C9E9E6;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
  transition:color var(--t);
}
.faq-q:hover{color:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:rgba(19,88,216,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.faq-text{flex:1;min-width:0;}
.faq-sign{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--neon);border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px;}
.faq-sign::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 24px 20px 64px;font-size:15px;line-height:1.8;color:var(--text-2);border-left:3px solid transparent;}
.faq-item.open .faq-a p{border-left-color:var(--neon);}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;background:var(--dark);border-radius:20px;
  padding:56px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),linear-gradient(90deg,var(--neon),var(--neon-2));
  background-origin:border-box;background-clip:padding-box,border-box;
}
.cta-block::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,200,.06) 0 40%,rgba(123,92,255,.05) 41% 62%,transparent 63%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.cta-copy p{color:#B9C6DE;font-size:15px;margin:0;max-width:46em;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.cta-actions .btn-lg{height:52px;padding:0 32px;font-size:17px;}
.cta-sub{color:rgba(255,255,255,.7);font-size:14px;transition:color var(--t);}
.cta-sub:hover{color:var(--neon);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:var(--dark-text-2);margin-top:96px;}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--neon),var(--neon-2));opacity:.7;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--dark-text-2);max-width:34em;margin-bottom:12px;}
.footer-domain{font-size:13px;color:rgba(169,183,208,.72);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--dark-text-2);display:inline-block;transition:color var(--t),transform var(--t);}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(169,183,208,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{gap:40px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn-neon{display:none;}
  .nav-drawer .btn-neon{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 72px;}
  .hero-copy h1{max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .level-grid{grid-template-columns:1fr;gap:20px;}
  .level-card.recommended{transform:none;}
  .level-card.recommended:hover{transform:translateY(-2px);}
  .latest-layout{grid-template-columns:1fr;}
  .section{padding:72px 0;}
  .cta-block{grid-template-columns:1fr;padding:40px;}
  .cta-actions{align-items:flex-start;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:56px 0;}
  .compare-table thead{display:none;}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%;}
  .compare-table tr{
    border:1px solid var(--line);border-radius:var(--r-md);margin:0 0 12px;padding:14px 16px;background:#fff;
  }
  .compare-table tbody td{
    height:auto;padding:8px 0;border:0;border-bottom:1px dashed #E9EFF8;text-align:left!important;
    display:flex;align-items:center;justify-content:space-between;gap:12px;background:transparent!important;box-shadow:none!important;
  }
  .compare-table tbody td:last-child{border-bottom:0;}
  .compare-table tbody td[data-label]::before{
    content:attr(data-label);font-size:13px;color:var(--text-3);flex:0 0 auto;
  }
  .compare-table tr td:first-child{font-weight:700;color:var(--text);}
  .compare-table tr td:first-child::before{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .news-link{flex-direction:column;gap:14px;}
  .news-thumb{width:100%;flex:none;aspect-ratio:16/9;}
  .faq-a p{padding-left:24px;}
  .faq-q{font-size:16px;padding:16px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .trust-bar{gap:24px;}
  .cta-block{padding:32px 24px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-lg{width:100%;}
}
@media (max-width:520px){
  .section{padding:40px 0;}
  .hero-inner{padding:48px 0 56px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-float{right:12px;bottom:12px;padding:10px 12px;}
  .float-badge{width:38px;height:38px;font-size:12px;}
  .site-footer{margin-top:64px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --brand:#1358D8;
  --brand-dark:#0E44AB;
  --brand-soft:#E8F0FE;
  --neon:#12D3C8;
  --neon-2:#7B5CFF;
  --bg:#F4F7FB;
  --bg-2:#EAF1FA;
  --card:#FFFFFF;
  --line:#DFE8F4;
  --line-soft:#E9EFF8;
  --t1:#101B33;
  --t2:#46556F;
  --t3:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-line:rgba(255,255,255,.08);
  --dark-t1:#EAF6FF;
  --dark-t2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-img:14px;
  --sh1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --t:all .2s cubic-bezier(.2,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:80px;--sp-10:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:var(--t);}
a:hover{color:var(--neon);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;line-height:1.35;}
p{margin:0 0 22px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,18,38,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,var(--neon),var(--neon-2)) 1;
  transition:var(--t);
}
.site-header.is-scrolled{box-shadow:0 12px 30px rgba(4,10,24,.45);background:rgba(8,14,30,.98);}
.header-inner{display:flex;align-items:center;gap:var(--sp-5);height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:28px;height:28px;flex:0 0 28px;}
.logo-text{color:#fff;font-size:16px;font-weight:600;letter-spacing:.2px;}
.logo:hover .logo-text{color:var(--dark-t1);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;color:#C6D3E8;font-size:15px;padding:12px 14px;border-radius:8px;
  border-bottom:1px solid transparent;
}
.nav-link:hover{color:var(--dark-t1);background:rgba(255,255,255,.04);border-bottom-color:rgba(18,211,200,.4);}
.nav-link.active{
  color:#fff;font-weight:600;border-bottom:2px solid var(--neon);
  text-shadow:0 0 12px rgba(18,211,200,.6);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:var(--t);white-space:nowrap;
}
.btn-neon{background:var(--neon);color:var(--dark);border-color:var(--neon);}
.btn-neon:hover{background:#2BE3D8;color:var(--dark);box-shadow:var(--ring);transform:translateY(-1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2),var(--ring);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--dark-line);color:#EAF6FF;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#EAF6FF;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#EAF6FF;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{display:none;background:var(--dark);border-top:1px solid var(--dark-line);}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:14px 24px;color:#C6D3E8;font-size:15px;border-left:3px solid transparent;
  border-bottom:1px solid var(--dark-line);
}
.mobile-drawer a:hover{background:rgba(255,255,255,.04);}
.mobile-drawer a.active{color:#fff;border-left-color:var(--neon);background:rgba(18,211,200,.08);font-weight:600;}

/* ============ 面包屑与文章头 ============ */
.article-hero{padding:40px 0 8px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);margin-bottom:22px;}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C6DE;}
.breadcrumb .cur{color:var(--t3);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--neon);color:#062B2A;
}
.badge-soft{background:var(--brand-soft);color:var(--brand-dark);}
.article-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
  margin:18px 0 16px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--t3);font-size:14px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3CFE2;}
.article-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;
  margin-top:28px;box-shadow:var(--sh2);background:var(--bg-2);
}

/* ============ 正文布局 ============ */
.article-main{padding:48px 0 0;}
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start;}
.article-body-wrap{min-width:0;}
.prose{max-width:800px;}
.prose h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin:48px 0 18px;padding-left:14px;
  border-left:4px solid var(--brand);
}
.prose h3{font-size:20px;line-height:1.4;margin:34px 0 14px;color:var(--t1);}
.prose h4{font-size:17px;line-height:1.5;margin:24px 0 10px;color:var(--t2);}
.prose p{font-size:17px;line-height:1.85;color:var(--t2);margin:0 0 22px;}
.prose strong{color:var(--t1);}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:2px;}
.prose a:hover{color:var(--neon);}
.prose ul,.prose ol{margin:0 0 22px;padding-left:2px;}
.prose ul li,.prose ol li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--t2);line-height:1.8;}
.prose ul li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.prose ol{counter-reset:li;}
.prose ol li{counter-increment:li;}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:1px;color:var(--brand);
  font-size:14px;font-weight:700;
}
.prose blockquote{
  margin:0 0 22px;padding:18px 24px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--t2);font-size:16px;
}
.prose img{width:100%;height:auto;margin:8px 0 22px;box-shadow:var(--sh1);background:var(--bg-2);}
.prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.prose th{background:var(--dark-2);color:#fff;font-weight:600;text-align:left;padding:14px 16px;}
.prose td{padding:14px 16px;border-top:1px solid var(--line-soft);color:var(--t2);}
.prose hr{border:0;height:1px;background:var(--line);margin:40px 0;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 28px;padding-top:28px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--t2);font-size:13.5px;
}
.tag:hover{border-color:var(--neon);color:var(--brand);box-shadow:var(--sh1);}
.pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:32px;}
.pager a{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--t2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh1);}
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh1);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  background:rgba(19,88,216,.08);color:rgba(19,88,216,.5);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{color:var(--t3);font-size:14.5px;margin-bottom:20px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:24px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh1);}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--neon),var(--neon-2));}
.toc-list li{border-bottom:1px solid var(--line-soft);}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{display:flex;align-items:center;gap:10px;padding:11px 4px;color:var(--t2);font-size:14.5px;}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:#C3CFE2;flex:0 0 6px;transition:var(--t);}
.toc-list a:hover{color:var(--brand);}
.toc-list a:hover::before{background:var(--neon);}
.rec-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-soft);}
.rec-item:last-child{border-bottom:0;padding-bottom:0;}
.rec-item img{width:84px;height:63px;flex:0 0 84px;object-fit:cover;border-radius:10px;background:var(--bg-2);}
.rec-item h4{font-size:14.5px;line-height:1.5;font-weight:600;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-item h4 a{color:var(--t1);}
.rec-item h4 a:hover{color:var(--brand);}
.rec-item span{font-size:12.5px;color:var(--t3);}
.side-cta{background:var(--dark);border:1px solid var(--dark-line);border-radius:var(--r-lg);padding:24px;color:var(--dark-t2);}
.side-cta h3{color:#fff;font-size:16px;margin-bottom:10px;}
.side-cta p{font-size:13.5px;line-height:1.7;color:var(--dark-t2);margin:0 0 16px;}
.side-cta .btn{width:100%;}

/* ============ 相关阅读 ============ */
.related{padding:80px 0 0;}
.section-head{margin-bottom:32px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;text-transform:none;}
.section-head .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-top:12px;}
.section-head p{color:var(--t2);font-size:15px;margin:12px 0 0;max-width:680px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:var(--t);display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh3);border-color:#CFE0F7;}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s cubic-bezier(.2,.7,.3,1);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a{color:var(--t1);}
.card:hover .card-body h3 a{color:var(--brand);}
.card-body p{font-size:14px;line-height:1.75;color:var(--t2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}
.card-foot .arrow{color:var(--brand);font-weight:600;}

/* ============ CTA ============ */
.cta-block{padding:80px 0;}
.cta-inner{
  position:relative;overflow:hidden;background:var(--dark);border-radius:20px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  border-top:2px solid transparent;border-image:linear-gradient(90deg,var(--neon),var(--neon-2)) 1;
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,200,.16),transparent 65%);
}
.cta-text{position:relative;z-index:1;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.cta-text p{color:#B9C6DE;font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.cta-actions .link-quiet{color:rgba(255,255,255,.7);font-size:14px;}
.cta-actions .link-quiet:hover{color:var(--neon);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);border-top:1px solid var(--neon);margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{color:var(--dark-t2);font-size:13.5px;line-height:1.8;margin:0 0 14px;max-width:360px;}
.footer-domain{display:inline-block;font-size:12.5px;color:rgba(169,183,208,.8);border:1px solid var(--dark-line);border-radius:999px;padding:4px 12px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--dark-t2);font-size:14px;display:inline-block;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--dark-line);padding:22px 0 28px;
  color:rgba(169,183,208,.85);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-neon{display:none;}
  .article-grid{grid-template-columns:1fr;gap:40px;}
  .article-side{position:static;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .article-hero{padding:28px 0 4px;}
  .article-main{padding:36px 0 0;}
  .related,.cta-block{padding:56px 0 0;}
  .cta-block{padding-bottom:56px;}
  .prose p{font-size:16px;line-height:1.8;}
  .prose h2{margin-top:36px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px;}
  .cta-actions{align-items:flex-start;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px;}
}
@media (max-width:479px){
  .article-hero h1{font-size:27px;}
  .article-cover{border-radius:14px;margin-top:20px;}
  .side-card,.empty-state{padding:20px;}
  .btn{width:100%;}
  .pager a{width:100%;justify-content:center;}
}

/* roulang page: category1 */
:root{
  --blue:#1358D8;
  --blue-dark:#0E44AB;
  --blue-soft:#E8F0FE;
  --cyan:#12D3C8;
  --cyan-deep:#0E8F87;
  --purple:#7B5CFF;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --bg-alt:#EAF1FA;
  --line:#DFE8F4;
  --ink:#101B33;
  --ink-2:#46556F;
  --ink-3:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-ink:#EAF6FF;
  --dark-ink-2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh-2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh-3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--blue);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
a:hover{color:var(--cyan);}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);}
p{margin:0 0 22px;}
p:last-child{margin-bottom:0;}
ul{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:768px){.container{padding:0 16px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--dark);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  opacity:.85;
}
.site-header.scrolled{background:#080F1F;box-shadow:0 10px 28px rgba(4,8,20,.45);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;}
.logo:hover{color:#fff;}
.logo-mark{width:28px;height:28px;flex:none;}
.logo-text{font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  padding:12px 14px;
  font-size:15px;
  color:#C6D3E6;
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--dark-ink);background:rgba(255,255,255,.04);}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:rgba(18,211,200,.4);opacity:0;transition:opacity .2s var(--ease);
}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:#fff;}
.nav-link.active::after{
  height:2px;background:var(--cyan);opacity:1;
  box-shadow:0 0 12px rgba(18,211,200,.6);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
  border:1px solid rgba(255,255,255,.12);
}
.nav-toggle span{display:block;width:18px;height:2px;background:#EAF6FF;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2),var(--ring);}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue);}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);}
.btn-neon{background:var(--cyan);color:var(--dark);font-weight:600;padding:10px 18px;}
.btn-neon:hover{background:#3BE2D8;color:var(--dark);box-shadow:var(--ring);}
.btn-dark-ghost{
  background:transparent;color:rgba(255,255,255,.72);
  padding:8px 4px;font-size:14px;border:0;
}
.btn-dark-ghost:hover{color:var(--cyan);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 窄 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFF 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(19,88,216,.05) 0%,rgba(19,88,216,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:2;}
.breadcrumb{font-size:14px;color:var(--ink-3);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{color:#C3CFE0;}
.breadcrumb .current{color:var(--ink-3);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--cyan-deep);}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(18,211,200,.16);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;letter-spacing:-.5px;font-weight:700;
  margin:14px 0 16px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:18px;box-shadow:var(--sh-3);
  background:#E4EDF9;
}
.hero-badge{
  position:absolute;left:-16px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-2);padding:14px 18px;
  display:flex;align-items:center;gap:12px;min-width:180px;
}
.hero-badge .num{font-size:24px;font-weight:700;color:var(--blue);line-height:1.1;}
.hero-badge .txt{font-size:12px;line-height:1.5;color:var(--ink-3);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:12px;}
.section-head p{font-size:15px;color:var(--ink-2);margin:0;}
.section-head .tag-line{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.04em;font-weight:600;color:var(--cyan-deep);margin-bottom:12px;}
.section-head .tag-line::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.cmp{width:100%;border-collapse:collapse;font-size:15px;}
.cmp caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.cmp th{
  background:var(--dark-2);color:#fff;text-align:left;
  padding:16px 24px;font-size:14px;font-weight:600;letter-spacing:.02em;
}
.cmp th.col-member{box-shadow:inset 0 -3px 0 var(--cyan);}
.cmp td{
  padding:16px 24px;border-top:1px solid #E3EAF5;color:var(--ink-2);
  vertical-align:middle;
}
.cmp td:first-child{color:var(--ink);font-weight:600;width:36%;}
.cmp tbody tr:nth-child(odd){background:#F7FAFE;}
.cmp tbody tr:hover{background:#F2F8FF;}
.cmp td.col-member{background:#EDFBF9;}
.cmp tbody tr:nth-child(odd) td.col-member{background:#E6F9F6;}
.mark-yes{display:inline-flex;align-items:center;gap:8px;color:#0B7A72;font-weight:600;}
.mark-yes i{
  width:20px;height:20px;border-radius:50%;background:var(--cyan);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-style:normal;line-height:1;flex:none;
}
.mark-no{display:inline-flex;align-items:center;gap:8px;color:var(--ink-3);}
.mark-no i{width:16px;height:2px;border-radius:2px;background:rgba(16,27,51,.32);flex:none;}
.table-note{margin-top:16px;font-size:13px;color:var(--ink-3);}

/* ---------- 说明卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.info-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E4EDF9;}
.info-card .body{padding:24px 28px 28px;}
.info-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.info-card p{font-size:15px;color:var(--ink-2);margin-bottom:14px;}
.info-card ul{padding-left:20px;color:var(--ink-2);font-size:15px;line-height:1.9;}
.info-card ul li+li{margin-top:6px;}

/* ---------- 步骤卡 ---------- */
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-num{
  width:40px;height:40px;border-radius:12px;background:var(--blue-soft);
  color:var(--blue);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--ink-2);margin:0;}

/* ---------- 胶囊 ---------- */
.pills{display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:500;box-shadow:var(--sh-1);
}
.pill:hover{color:var(--blue);border-color:var(--cyan);transform:translateY(-2px);box-shadow:var(--sh-2);}
.pill.is-current{background:var(--blue-soft);border-color:#C6DCFB;color:var(--blue-dark);font-weight:600;}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:none;}

/* ---------- 结尾 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:20px;padding:56px;
}
.cta-block::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}
.cta-block::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,200,.10) 0%,rgba(18,211,200,0) 62%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:#B9C6DE;font-size:15px;margin:0;max-width:600px;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--dark);color:var(--dark-ink-2);
  padding:64px 0 0;margin-top:96px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(18,211,200,.9),rgba(123,92,255,.9));
}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--dark-ink-2);margin:16px 0 12px;max-width:340px;}
.footer-domain{font-size:13px;color:#7E8BA3;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:var(--dark-ink-2);}
.footer-col a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#7E8BA3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;z-index:110;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--dark);padding:12px 16px 20px;
    border-bottom:1px solid rgba(255,255,255,.08);
    box-shadow:0 18px 40px rgba(4,8,20,.5);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .main-nav.open{opacity:1;transform:none;pointer-events:auto;}
  .nav-link{padding:14px 12px;border-left:3px solid transparent;border-radius:6px;}
  .nav-link::after{display:none;}
  .nav-link.active{border-left-color:var(--cyan);background:rgba(18,211,200,.08);}
  .nav-actions .btn-neon{padding:9px 14px;font-size:14px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-badge{left:auto;right:16px;bottom:-16px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .cmp td:first-child{width:40%;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:40px 0 56px;}
  .hero-sub{font-size:16px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .cmp thead{display:none;}
  .cmp,.cmp tbody,.cmp tr,.cmp td{display:block;width:100%;}
  .cmp tbody tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
    box-shadow:var(--sh-1);padding:8px 0;margin:0 0 12px;
  }
  .cmp tbody tr:nth-child(odd){background:#fff;}
  .cmp td{
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    border-top:0;padding:10px 20px;width:100%;
  }
  .cmp td:first-child{
    width:100%;color:var(--ink);border-bottom:1px solid #EDF2F9;
    padding-bottom:14px;margin-bottom:6px;
  }
  .cmp td[data-label]::before{
    content:attr(data-label);
    flex:none;font-size:13px;color:var(--ink-3);font-weight:500;
  }
  .cmp td.col-member{background:transparent;}
  .cmp tbody tr:nth-child(odd) td.col-member{background:transparent;}
  .cmp td.col-member::before{color:var(--cyan-deep);font-weight:600;}
  .table-wrap{background:transparent;border:0;box-shadow:none;border-radius:0;overflow:visible;}
  .cta-block{padding:36px 24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{align-items:flex-start;width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media (max-width:520px){
  .section{padding:40px 0;}
  .nav-wrap{height:56px;}
  .main-nav{top:56px;}
  .logo-text{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-badge{position:static;margin-top:16px;left:auto;right:auto;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .info-card .body{padding:20px;}
  .step-card{padding:22px;}
}

/* roulang page: category2 */
:root{
  --blue:#1358D8;
  --blue-dark:#0E44AB;
  --blue-100:#E8F0FE;
  --cyan:#12D3C8;
  --purple:#7B5CFF;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --bg-2:#EAF1FA;
  --line:#DFE8F4;
  --line-soft:#E9EFF8;
  --t1:#101B33;
  --t2:#46556F;
  --t3:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-t1:#EAF6FF;
  --dark-t2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-img:14px;
  --sh1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --ease:.2s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--blue);text-decoration:none;text-underline-offset:2px;transition:color var(--ease),background-color var(--ease),opacity var(--ease)}
a:hover{color:var(--cyan)}
img{max-width:100%;display:block;border-radius:var(--r-img);background:linear-gradient(180deg,#EAF1FA,#DFE8F4)}
button{font:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--dark);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  opacity:.85;
}
.site-header.scrolled{box-shadow:0 12px 30px rgba(10,18,38,.5)}
.header-inner{
  position:relative;display:flex;align-items:center;gap:24px;height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff}
.logo:hover{color:#fff}
.logo-mark{width:28px;height:28px;flex:0 0 28px;border-radius:8px}
.logo-text{font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:12px 14px;
  font-size:15px;
  color:var(--dark-t2);
  border-radius:var(--r-sm);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;
  background:rgba(18,211,200,.4);opacity:0;transition:opacity var(--ease),height var(--ease);
}
.nav-link:hover{color:var(--dark-t1)}
.nav-link:hover::after{opacity:1}
.nav-link.active{color:#fff}
.nav-link.active::after{
  opacity:1;height:2px;background:var(--cyan);
  box-shadow:0 0 12px rgba(18,211,200,.6);
}
.nav-cta{
  margin-left:16px;padding:10px 18px;
  background:var(--cyan);color:var(--dark);
  font-weight:600;font-size:15px;border-radius:var(--r-sm);
  transition:filter var(--ease),box-shadow var(--ease),transform var(--ease);
}
.nav-cta:hover{color:var(--dark);filter:brightness(1.08);box-shadow:var(--ring)}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.14);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--dark-t1);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:var(--dark);padding:12px 24px 20px;
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 24px 40px rgba(10,18,38,.55);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:14px 12px;font-size:16px;border-left:3px solid transparent}
  .nav-link::after{display:none}
  .nav-link.active{border-left-color:var(--cyan);background:rgba(18,211,200,.08)}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb .sep{color:#C2CDE0}
.breadcrumb .current{color:var(--t2)}

/* ---------- 窄 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    radial-gradient(760px 420px at 92% 8%,rgba(18,211,200,.07),transparent 68%),
    var(--bg);
}
.cat-hero::before{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;
  border-radius:50%;border:1px solid rgba(19,88,216,.06);
  box-shadow:0 0 0 60px rgba(19,88,216,.025),0 0 0 120px rgba(19,88,216,.018);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.04em;color:var(--blue);
  background:var(--blue-100);padding:6px 14px;border-radius:999px;font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
}
.hero-sub{margin-top:16px;max-width:560px;font-size:17px;line-height:1.8;color:var(--t2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2),var(--ring)}
.btn-ghost{border:1px solid var(--blue);color:var(--blue);background:#fff}
.btn-ghost:hover{background:var(--blue-100);color:var(--blue);transform:translateY(-2px)}
.btn-lg{min-height:52px;padding:0 30px}
.trust-row{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.trust-item{min-width:120px}
.trust-item strong{display:block;font-size:26px;font-weight:700;line-height:1.2;color:var(--t1)}
.trust-item span{font-size:14px;color:var(--t3)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:18px;box-shadow:var(--sh2);
}
.float-card{
  position:absolute;right:-8px;bottom:-18px;width:150px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh3);padding:14px 16px;
}
.float-card .fc-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--blue-dark);
  background:linear-gradient(135deg,rgba(18,211,200,.22),rgba(123,92,255,.18));
  padding:4px 10px;border-radius:999px;
}
.float-card .fc-title{margin-top:10px;font-size:14px;font-weight:600;color:var(--t1)}
.float-card .fc-note{margin-top:4px;font-size:12px;color:var(--t3);line-height:1.6}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:600}
.section-desc{margin-top:14px;color:var(--t2);font-size:16px}

/* ---------- 等级阶梯 ---------- */
.step-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:44px 36px 36px;
}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:28px;
  border-top:2px dashed #C9D8EE;
}
.step{position:relative;z-index:1;text-align:center}
.step-node{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;font-size:16px;color:#0A1226;
  background:linear-gradient(135deg,#8FE9E2,#12D3C8);
  box-shadow:0 8px 20px rgba(18,211,200,.28);
}
.step:nth-child(2) .step-node{background:linear-gradient(135deg,#7CD6E4,#2FA9D8);box-shadow:0 8px 20px rgba(47,169,216,.24)}
.step:nth-child(3) .step-node{background:linear-gradient(135deg,#8FC2F0,#3E7FE0);box-shadow:0 8px 20px rgba(19,88,216,.22)}
.step:nth-child(4) .step-node{background:linear-gradient(135deg,#B8A6FF,#7B5CFF);box-shadow:0 8px 20px rgba(123,92,255,.26)}
.step-name{font-size:18px;font-weight:600}
.step-gate{
  display:inline-block;margin-top:8px;padding:3px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;color:var(--blue-dark);background:var(--blue-100);
}
.step-text{margin-top:12px;font-size:14px;line-height:1.75;color:var(--t3)}

/* ---------- 逐阶说明 Z 字 ---------- */
.z-list{display:flex;flex-direction:column;gap:72px}
.z-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.z-row .z-media{order:2}
.z-row .z-body{order:1}
.z-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh2);
}
.z-index{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--purple);
  letter-spacing:.04em;
}
.z-index::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
.z-title{margin-top:12px;font-size:22px;font-weight:600;line-height:1.4}
.z-text{margin-top:14px;color:var(--t2)}
.z-points{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.z-points li{position:relative;padding-left:26px;font-size:15px;color:var(--t2)}
.z-points li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:rgba(19,88,216,.1);
}
.z-points li::after{
  content:"";position:absolute;left:5px;top:13px;width:4px;height:4px;border-radius:50%;background:var(--blue);
}

/* ---------- 数值卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.stat-num{font-size:32px;font-weight:700;line-height:1.2;color:var(--blue);letter-spacing:-.5px}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--t2)}
.stat-label{margin-top:10px;font-size:15px;font-weight:600}
.stat-note{margin-top:8px;font-size:14px;color:var(--t3);line-height:1.7}

/* ---------- 权益维度 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.benefit-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;border-left:3px solid transparent;
  box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease),border-left-color var(--ease);
}
.benefit-item:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-left-color:var(--cyan)}
.b-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--blue-100);color:var(--blue);font-size:15px;font-weight:700;
}
.benefit-item h3{margin-top:16px;font-size:17px;font-weight:600}
.benefit-item p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.75}

/* ---------- 更新记录 ---------- */
.update-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.update-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.update-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.update-date{font-size:13px;letter-spacing:.04em;color:var(--t3)}
.update-title{margin-top:10px;font-size:17px;font-weight:600;line-height:1.5}
.update-card p{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.75}

/* ---------- 问答卡 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.qa-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh1);
}
.qa-q{font-size:17px;font-weight:600;line-height:1.5}
.qa-a{margin-top:10px;font-size:15px;color:var(--t2);line-height:1.8}

/* ---------- 其它栏目胶囊 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:14px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--t2);
  font-size:15px;font-weight:500;box-shadow:var(--sh1);
  transition:transform var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.chip::after{content:"→";font-size:13px;color:var(--t3);transition:transform var(--ease),color var(--ease)}
.chip:hover{transform:translateY(-2px);color:var(--blue);border-color:var(--blue);box-shadow:var(--sh2)}
.chip:hover::after{color:var(--cyan);transform:translateX(3px)}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:20px;padding:56px;
  box-shadow:var(--sh3);
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(18,211,200,.06);
  box-shadow:0 0 0 46px rgba(18,211,200,.05),0 0 0 92px rgba(123,92,255,.04);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-title{font-size:clamp(24px,2.6vw,32px);font-weight:600;color:#fff;line-height:1.3}
.cta-text{margin-top:12px;color:#B9C6DE;font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.cta-link{color:rgba(255,255,255,.7);font-size:15px;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px}
.cta-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--dark);color:var(--dark-t2);
  border-top:1px solid rgba(18,211,200,.35);
  padding:64px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--dark-t2);max-width:360px}
.footer-domain{display:inline-block;margin-top:14px;font-size:13px;color:#7E8CA8}
.footer-col h4{font-size:15px;font-weight:600;color:var(--dark-t1);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--dark-t2);display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:var(--cyan);transform:translateX(-2px)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;font-size:13px;color:#7E8CA8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .benefit-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .cat-hero{padding:44px 0 60px}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{max-width:640px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .update-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .z-row{grid-template-columns:1fr;gap:28px}
  .z-row .z-media,.z-row .z-body{order:initial}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .cat-hero h1{font-size:clamp(28px,7vw,34px)}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 200px}
  .trust-row{gap:24px}
  .step-panel{padding:28px 20px}
  .steps{grid-template-columns:1fr;gap:16px}
  .steps::before{display:none}
  .step{
    display:flex;gap:16px;align-items:flex-start;text-align:left;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:16px;box-shadow:var(--sh1);
  }
  .step-node{margin:0;flex:0 0 48px;width:48px;height:48px;font-size:14px}
  .step-name{font-size:17px}
  .step-text{margin-top:8px}
  .z-list{gap:44px}
  .benefit-grid,.update-grid,.qa-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:16px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:520px){
  .section{padding:40px 0}
  .stat-grid{grid-template-columns:1fr}
  .trust-item{min-width:100%}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%;flex:1 1 100%}
  .float-card{right:8px;bottom:-14px;width:140px;padding:12px 14px}
  .footer-top{grid-template-columns:1fr}
  .chip{width:100%;justify-content:space-between}
}

/* roulang page: category3 */
:root{
  --blue:#1358D8;
  --blue-dark:#0E44AB;
  --blue-light:#E8F0FE;
  --cyan:#12D3C8;
  --purple:#7B5CFF;
  --bg:#F4F7FB;
  --bg-2:#EAF1FA;
  --card:#FFFFFF;
  --line:#DFE8F4;
  --line-2:#E9EFF8;
  --ink:#101B33;
  --ink-2:#46556F;
  --ink-3:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-text:#EAF6FF;
  --dark-text-2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh-2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh-3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --t:.2s cubic-bezier(.2,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:80px;--sp-10:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;color:var(--cyan);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:600;line-height:1.3;margin-top:10px;}
.sec-sub{margin-top:14px;color:var(--ink-2);font-size:16px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--dark);
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,rgba(18,211,200,.85),rgba(123,92,255,.85)) 1;
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(4,10,24,.45);}
.header-inner{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;}
.logo:hover{color:#fff;}
.logo-mark{width:28px;height:28px;flex:none;}
.logo-text{font-size:16px;font-weight:600;letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  padding:12px 14px;
  color:#C6D3E8;
  font-size:15px;
  font-weight:500;
  border-radius:8px;
  transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;
  background:rgba(18,211,200,.4);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--dark-text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#FFFFFF;text-shadow:0 0 12px rgba(18,211,200,.6);}
.nav-link.active::after{transform:scaleX(1);height:2px;background:var(--cyan);box-shadow:0 0 10px rgba(18,211,200,.7);}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-neon{background:var(--cyan);color:var(--dark);box-shadow:0 6px 18px rgba(18,211,200,.28);}
.btn-neon:hover{background:#2AE3D9;color:var(--dark);box-shadow:0 8px 24px rgba(18,211,200,.42),var(--ring);transform:translateY(-2px);}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;box-shadow:var(--sh-3),var(--ring);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--blue);border:1px solid var(--blue);}
.btn-ghost:hover{background:var(--blue-light);color:var(--blue-dark);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);color:#fff;
  align-items:center;justify-content:center;transition:background var(--t);
}
.nav-toggle:hover{background:rgba(255,255,255,.06);}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--ink-3);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--blue);}
.crumb .sep{color:var(--ink-3);opacity:.7;}
.crumb .current{color:var(--ink-3);}

/* ============ 窄 Hero ============ */
.page-hero{background:linear-gradient(180deg,#F8FBFF 0%,var(--bg) 100%);padding:72px 0 64px;border-bottom:1px solid var(--line);}
.page-hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;margin:14px 0 18px;
}
.page-hero .lead{font-size:17px;color:var(--ink-2);max-width:560px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.pill b{color:var(--blue);font-weight:600;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;box-shadow:var(--sh-3);
  background:var(--blue-light);
}
.float-card{
  position:absolute;right:-14px;bottom:-22px;width:180px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-2);padding:14px 16px;
}
.float-card .fc-badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:#04302D;background:var(--cyan);border-radius:999px;padding:3px 10px;
}
.float-card p{margin-top:8px;font-size:13px;line-height:1.6;color:var(--ink-2);}

/* ============ 筛选标签 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.filter-tab{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;
  background:#fff;color:var(--ink-2);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:all var(--t);cursor:default;
}
.filter-tab.is-active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:var(--sh-2);}
.filter-tab:hover{border-color:var(--blue);color:var(--blue);}
.filter-tab.is-active:hover{color:#fff;}
.filter-note{font-size:13px;color:var(--ink-3);margin-bottom:18px;}

/* ============ 混合网格卡片 ============ */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#CFDEF5;}
.card__media{position:relative;overflow:hidden;background:var(--bg-2);}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1);}
.card:hover .card__media img{transform:scale(1.03);}
.card__tag{
  position:absolute;left:12px;top:12px;
  background:var(--cyan);color:#04302D;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:3px 10px;border-radius:999px;
}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.card:hover .card__title{color:var(--blue);}
.card__desc{
  font-size:14px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--ink-3);
}
.card__arrow{color:var(--blue);transition:transform var(--t),color var(--t);}
.card:hover .card__arrow{transform:translateX(3px);color:var(--cyan);}

.feature-card{
  grid-column:span 2;
  flex-direction:row;
  background:linear-gradient(120deg,#FFFFFF 0%,#F5FAFF 100%);
}
.feature-card .card__media{width:46%;flex:none;}
.feature-card .card__media img{height:100%;aspect-ratio:auto;min-height:260px;}
.feature-card .card__body{padding:26px 28px;justify-content:center;gap:14px;}
.feature-card .card__title{font-size:22px;-webkit-line-clamp:3;letter-spacing:-.2px;}
.feature-card .card__desc{font-size:15px;-webkit-line-clamp:3;}
.feature-card .card__tag{background:#fff;color:var(--blue);border:1px solid rgba(19,88,216,.28);}
.feature-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);}
.feature-meta i{font-style:normal;color:var(--ink-3);opacity:.6;}

/* ============ 栏目说明 ============ */
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px 30px;transition:box-shadow var(--t),transform var(--t);
}
.info-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.info-card h3{font-size:20px;margin-bottom:12px;}
.info-card p{color:var(--ink-2);font-size:15px;}
.info-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.info-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.7;}
.dot{
  flex:none;width:20px;height:20px;margin-top:6px;border-radius:50%;
  background:var(--blue-light);color:var(--blue);font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.kv{margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.kv div{background:var(--bg-2);border-radius:var(--r-sm);padding:12px 14px;}
.kv span{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.kv strong{display:block;font-size:16px;color:var(--blue);font-weight:600;margin-top:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t);
}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 24px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--blue);}
.faq-item[open] summary{color:var(--blue);}
.faq-idx{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(19,88,216,.08);color:var(--blue);
  font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;
}
.faq-sign{margin-left:auto;color:var(--cyan);font-size:20px;line-height:1;font-weight:400;}
.faq-item[open] .faq-sign{color:var(--cyan);}
.faq-answer{
  padding:0 24px 20px 64px;border-left:3px solid var(--cyan);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-block::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}
.cta-block::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,200,.16),rgba(18,211,200,0) 70%);
}
.cta-text{position:relative;z-index:1;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:600;}
.cta-text p{margin-top:12px;color:#B9C6DE;font-size:15px;max-width:560px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-end;gap:14px;}
.cta-link{color:rgba(255,255,255,.7);font-size:14px;}
.cta-link:hover{color:var(--cyan);}

/* ============ 其它栏目 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);color:var(--ink-2);font-size:15px;font-weight:500;
  transition:all var(--t);
}
.chip:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--sh-2);}
.chip i{font-style:normal;color:var(--cyan);font-size:13px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-text-2);padding:64px 0 28px;margin-top:0;border-top:1px solid transparent;border-image:linear-gradient(90deg,rgba(18,211,200,.7),rgba(123,92,255,.7)) 1;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--dark-text-2);max-width:340px;}
.footer-domain{display:inline-block;margin-top:14px;font-size:13px;color:#7B8CA8;letter-spacing:.02em;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--dark-text-2);font-size:14px;display:inline-block;transition:color var(--t),transform var(--t);}
.footer-col a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#7B8CA8;
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:1279px){
  .gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .feature-card{grid-column:span 3;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-neon{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);border-bottom:1px solid rgba(255,255,255,.08);
    padding:10px 16px 20px;box-shadow:0 24px 40px rgba(4,10,24,.5);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform var(--t),opacity var(--t),visibility var(--t);
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.active{box-shadow:inset 3px 0 0 var(--cyan);padding-left:16px;}
  .page-hero__grid{grid-template-columns:1fr;gap:36px;}
  .page-hero{padding:56px 0 48px;}
  .float-card{position:static;width:100%;max-width:320px;margin-top:16px;right:auto;bottom:auto;}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-card{grid-column:span 2;flex-direction:column;}
  .feature-card .card__media{width:100%;}
  .feature-card .card__media img{aspect-ratio:16/9;min-height:0;height:auto;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .info-grid{grid-template-columns:1fr;}
  .cta-block{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
  .cta-actions{align-items:flex-start;width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-answer{padding-left:24px;}
  .kv{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .section{padding:40px 0;}
  .gallery-grid{grid-template-columns:1fr;gap:16px;}
  .feature-card{grid-column:span 1;}
  .feature-card .card__body{padding:20px;}
  .feature-card .card__title{font-size:19px;}
  .footer-top{grid-template-columns:1fr;}
  .hero-points{gap:8px;}
  .pill{font-size:13px;padding:7px 13px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1358D8;
  --c-primary-dark:#0E44AB;
  --c-primary-soft:#E8F0FE;
  --c-neon:#12D3C8;
  --c-neon-2:#7B5CFF;
  --c-bg:#F4F7FB;
  --c-card:#FFFFFF;
  --c-sub:#EAF1FA;
  --c-line:#DFE8F4;
  --c-line-soft:#E9EFF8;
  --t-main:#101B33;
  --t-sub:#46556F;
  --t-weak:#8593AC;
  --dark:#0A1226;
  --dark-2:#0F1B36;
  --dark-t:#EAF6FF;
  --dark-t2:#A9B7D0;
  --ok:#17A673;
  --warn:#E0A106;
  --err:#D93A4E;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(16,27,51,.05),0 2px 6px rgba(16,27,51,.05);
  --sh-2:0 2px 4px rgba(16,27,51,.04),0 12px 28px rgba(16,27,51,.08);
  --sh-3:0 18px 44px rgba(16,27,51,.13);
  --ring:0 0 0 3px rgba(18,211,200,.22);
  --ease:.2s cubic-bezier(.2,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:80px;--sp-10:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--t-main);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-neon)}
p{margin:0 0 22px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--t-main);letter-spacing:0}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--c-card);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-neon);text-transform:none;margin-bottom:12px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-neon);box-shadow:0 0 10px rgba(18,211,200,.8)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:600}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--t-sub);margin:16px 0 0}
.muted{color:var(--t-weak);font-size:14px;line-height:1.7}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#0A1226;backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 32px rgba(4,10,22,.45)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;border-radius:8px;flex:0 0 auto}
.logo-text{font-size:16px;font-weight:600;color:#fff;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:12px 14px;font-size:15px;color:var(--dark-t2);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;background:rgba(18,211,200,.4);
  opacity:0;transform:translateY(2px);transition:opacity var(--ease),transform var(--ease);
}
.nav-link:hover{color:var(--dark-t)}
.nav-link:hover::after{opacity:1;transform:translateY(0)}
.nav-link.active{color:#fff;text-shadow:0 0 12px rgba(18,211,200,.6)}
.nav-link.active::after{height:2px;background:var(--c-neon);opacity:1;transform:translateY(0)}
.header-cta{margin-left:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2),var(--ring)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-neon{background:var(--c-neon);color:#0A1226;font-weight:600}
.btn-neon:hover{background:#2AE6DB;color:#0A1226;box-shadow:var(--ring)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#EAF6FF;color:var(--c-primary-dark)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  margin-left:auto;flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#EAF6FF;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Breadcrumb ---------- */
.crumb-bar{background:var(--c-card);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--t-weak)}
.crumb a{color:var(--t-sub)}
.crumb a:hover{color:var(--c-neon)}
.crumb .sep{color:#C4CFE2}
.crumb .current{color:var(--t-weak)}

/* ---------- Page hero ---------- */
.page-hero{padding:64px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(19,88,216,.08);box-shadow:0 0 0 60px rgba(19,88,216,.025),0 0 0 140px rgba(18,211,200,.02);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy h1{margin-bottom:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line)}
.stat-num{font-size:26px;font-weight:700;color:var(--c-primary);letter-spacing:-.5px;line-height:1.2}
.stat-label{font-size:13px;color:var(--t-weak);margin-top:2px}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;box-shadow:var(--sh-3)}
.float-card{
  position:absolute;right:-14px;bottom:-18px;width:196px;padding:14px 16px;background:#fff;
  border-radius:var(--r-md);border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.float-card .badge-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--c-primary)}
.float-card .badge-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-neon)}
.float-card strong{display:block;font-size:15px;margin-top:6px}
.float-card span{display:block;font-size:12px;color:var(--t-weak);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;display:grid;gap:12px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease)
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item[open]{border-color:rgba(18,211,200,.5);box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--t-main);transition:color var(--ease)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--c-primary)}
.faq-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(19,88,216,.08);color:var(--c-primary);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center
}
.faq-icon{
  margin-left:auto;position:relative;width:20px;height:20px;flex:0 0 auto;border-radius:50%;
  border:1px solid rgba(18,211,200,.5)
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-neon);transform:translate(-50%,-50%);
  transition:transform var(--ease),opacity var(--ease)
}
.faq-icon::before{width:10px;height:2px;border-radius:2px}
.faq-icon::after{width:2px;height:10px;border-radius:2px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-body{padding:0 24px 22px 24px;border-left:3px solid var(--c-neon);margin-left:24px;padding-left:20px}
.faq-body p{margin:0;font-size:15px;line-height:1.8;color:var(--t-sub)}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:0}
.timeline::before{content:"";position:absolute;left:9px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--c-neon),rgba(123,92,255,.7),rgba(19,88,216,.15))}
.tl-item{position:relative;padding:0 0 32px 44px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:2px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-neon);box-shadow:0 0 0 4px rgba(18,211,200,.14)
}
.tl-item:nth-child(2)::before{border-color:#2FB6D8;box-shadow:0 0 0 4px rgba(47,182,216,.14)}
.tl-item:nth-child(3)::before{border-color:#3F86E0;box-shadow:0 0 0 4px rgba(63,134,224,.14)}
.tl-item:nth-child(4)::before{border-color:#5E6EE0;box-shadow:0 0 0 4px rgba(94,110,224,.14)}
.tl-item:nth-child(5)::before{border-color:var(--c-neon-2);box-shadow:0 0 0 4px rgba(123,92,255,.14)}
.tl-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease)}
.tl-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.tl-step{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;padding:2px 10px;margin-bottom:8px}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{margin:0;font-size:15px;line-height:1.8;color:var(--t-sub)}
.timeline-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}

/* ---------- Rule cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rule-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 24px;
  box-shadow:var(--sh-1);position:relative;overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)
}
.rule-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-neon),var(--c-primary))}
.rule-card:nth-child(2)::before{background:linear-gradient(90deg,var(--c-primary),var(--c-neon-2))}
.rule-card:nth-child(3)::before{background:linear-gradient(90deg,var(--c-neon-2),var(--c-neon))}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.rule-card h3{margin-bottom:10px;font-size:19px}
.rule-card p{margin:0;font-size:15px;line-height:1.8;color:var(--t-sub)}
.rule-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--c-primary)}
.rule-icon svg{width:22px;height:22px}

/* ---------- Tag links ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  background:var(--c-card);border:1px solid var(--c-line);color:var(--t-sub);font-size:14px;font-weight:500;
  box-shadow:var(--sh-1);transition:all var(--ease)
}
.pill:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pill.is-current:hover{color:#fff}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;background:var(--dark);border-radius:20px;padding:56px;
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center
}
.cta-block::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--c-neon),var(--c-neon-2))}
.cta-block::after{
  content:"";position:absolute;right:-60px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(18,211,200,.14);box-shadow:0 0 0 48px rgba(18,211,200,.05),0 0 0 108px rgba(123,92,255,.04);
  pointer-events:none
}
.cta-block h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.cta-block p{color:#B9C6DE;margin:0;font-size:15px;line-height:1.8;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:flex-end;position:relative;z-index:1}
.text-link{color:rgba(255,255,255,.7);font-size:15px;font-weight:500}
.text-link:hover{color:var(--c-neon)}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);border-top:1px solid rgba(18,211,200,.35);padding-top:64px;margin-top:0}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--dark-t2);font-size:13px;line-height:1.9;max-width:340px;margin:0 0 14px}
.footer-domain{display:inline-block;font-size:13px;color:rgba(169,183,208,.75)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--dark-t2);font-size:14px;display:inline-block}
.footer-col a:hover{color:var(--c-neon);transform:translateX(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;color:rgba(169,183,208,.8);font-size:13px
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1200px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .main-nav{
    position:absolute;left:0;right:0;top:64px;background:#0A1226;flex-direction:column;align-items:stretch;
    gap:0;padding:8px 16px 16px;border-top:1px solid rgba(255,255,255,.08);
    display:none;box-shadow:0 24px 40px rgba(4,10,22,.5)
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:14px 12px;border-left:3px solid transparent;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.active{border-left-color:var(--c-neon);background:rgba(18,211,200,.05)}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .timeline-wrap{grid-template-columns:1fr;gap:32px}
  .rule-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{grid-template-columns:1fr;padding:40px}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 48px}
  .hero-stats{gap:24px}
  .float-card{position:static;width:100%;margin-top:16px}
  .faq-item summary{padding:16px;font-size:16px;gap:10px}
  .faq-body{margin-left:16px;padding:0 16px 18px;padding-left:16px}
  .rule-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-block{padding:32px 24px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
}
@media (max-width:519px){
  .section{padding:40px 0}
  h1{letter-spacing:-.3px}
  .hero-stats{gap:20px}
  .stat-num{font-size:22px}
}