/* roulang page: index */
:root{
  --bg-base:#0A0E1C;
  --bg-alt:#0E1428;
  --bg-deep:#070A14;
  --brand:#4B5CFF;
  --brand-soft:rgba(75,92,255,.16);
  --accent:#22E0C8;
  --accent-soft:rgba(34,224,200,.12);
  --warm:#FF9F45;
  --text:#E8ECF6;
  --text-2:#A7B0C8;
  --text-3:#6D7791;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.24);
  --ok:#23C88A;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(3,6,16,.5);
  --shadow-hover:0 16px 44px rgba(3,6,16,.62);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,"Segoe UI",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:10px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(75,92,255,.45);color:#fff;}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-md);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--brand);color:#fff;
  box-shadow:0 0 0 1px rgba(75,92,255,.6),0 8px 24px rgba(75,92,255,.35);
  border-radius:999px;
}
.btn--primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(110,124,255,.75),0 10px 32px rgba(75,92,255,.55);
}
.btn--primary:active{transform:translateY(-1px);}
.btn--ghost{
  background:transparent;color:var(--text);border:1px solid var(--line-strong);
}
.btn--ghost:hover{
  color:var(--accent);border-color:var(--accent);background:var(--accent-soft);transform:translateY(-2px);
}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--text-2);position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-more:hover{color:var(--accent);}
.link-more:hover::after{width:100%;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-sm);
  font-size:12px;line-height:1.7;font-weight:600;letter-spacing:.02em;
}
.tag--warm{background:rgba(255,159,69,.14);color:var(--warm);}
.tag--accent{background:var(--accent-soft);color:var(--accent);}
.tag--brand{background:var(--brand-soft);color:#9BA6FF;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--header-h);
  display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(7,10,20,.86),rgba(7,10,20,.34));
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(10,14,28,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:
    radial-gradient(circle,rgba(34,224,200,.95) 1.3px,transparent 2.1px) 0 0/9.6px 9.6px,
    linear-gradient(140deg,rgba(75,92,255,.95),rgba(34,224,200,.32));
  box-shadow:0 0 18px rgba(75,92,255,.55),inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.22em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:28px;}
.nav-main a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--accent);}
.nav-main a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease),top .24s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}
.nav-drawer{
  position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:55;
  background:rgba(7,10,20,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:12px 20px 96px;overflow-y:auto;
  display:none;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;height:52px;line-height:52px;font-size:17px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--accent);}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:12px 20px 16px;background:rgba(7,10,20,.98);border-top:1px solid var(--line);}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:calc(var(--header-h) + 76px) 0 64px;
  background-image:linear-gradient(180deg,rgba(7,10,20,.86),rgba(10,14,28,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  min-height:560px;
  display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(560px 380px at 16% 22%,rgba(75,92,255,.30),transparent 70%),
    radial-gradient(480px 340px at 84% 68%,rgba(34,224,200,.16),transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;width:100%;}
.hero-copy .kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(34,224,200,.32);background:rgba(34,224,200,.08);
  color:var(--accent);font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-copy .kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:28px;line-height:1.8;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.trust-row{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);}
.trust-item svg{width:16px;height:16px;flex:0 0 16px;fill:none;stroke:var(--accent);stroke-width:1.7;}
.glass-card{
  border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.055);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  padding:26px 24px;
}
.glass-card h3{font-size:15px;color:var(--text-2);font-weight:600;letter-spacing:.04em;margin-bottom:18px;}
.glass-list{list-style:none;margin:0;padding:0;}
.glass-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0;border-bottom:1px dashed var(--line);margin-bottom:0;
}
.glass-list li:last-child{border-bottom:0;padding-bottom:4px;}
.glass-list .gl-label{font-size:14px;color:var(--text-2);}
.glass-list .gl-value{font-size:20px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.glass-foot{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);}
.section--deep{background:var(--bg-deep);}
.section-head{margin-bottom:42px;max-width:820px;}
.section-head .eyebrow{
  display:block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--accent);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;font-size:15px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px;}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.pain-side h2{margin-bottom:16px;}
.pain-side p{color:var(--text-2);font-size:15px;}
.pain-list{display:grid;gap:18px;}
.pain-item{
  position:relative;padding:22px 24px 22px 30px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.pain-item::before{
  content:"";position:absolute;left:12px;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(75,92,255,.6);
}
.pain-item:nth-child(2){margin-left:7%;}
.pain-item:nth-child(3){margin-left:14%;}
.pain-item h3{font-size:17px;margin-bottom:8px;}
.pain-item p{margin:0;font-size:14px;color:var(--text-2);}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,224,200,.28);}

/* ---------- 解决方案 ---------- */
.sol-block{display:grid;gap:48px;align-items:center;margin-bottom:76px;}
.sol-block:last-child{margin-bottom:0;}
.sol-block--75{grid-template-columns:7fr 5fr;}
.sol-block--57{grid-template-columns:5fr 7fr;}
.sol-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:linear-gradient(160deg,#101832,#0A0E1C);aspect-ratio:16/10;
}
.sol-media img{width:100%;height:100%;object-fit:cover;}
.sol-text h3{margin-bottom:14px;}
.sol-text p{color:var(--text-2);font-size:15px;}
.dot-list{list-style:none;padding:0;margin:18px 0 22px;}
.dot-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);margin-bottom:10px;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.8);
}

/* ---------- 数据区 ---------- */
.stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  margin-bottom:44px;
}
.stat{background:var(--bg-alt);padding:30px 24px;transition:background .24s var(--ease);}
.stat:hover{background:rgba(75,92,255,.08);}
.stat b{display:block;font-size:clamp(28px,3vw,38px);font-weight:700;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--text-3);}
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.case-col{display:grid;gap:24px;align-content:start;}
.case-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-alt);box-shadow:var(--shadow-card);min-height:180px;display:flex;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.case-card--big{min-height:100%;}
.case-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;transition:transform 1.2s var(--ease);}
.case-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,20,.25),rgba(7,10,20,.88));}
.case-inner{position:relative;z-index:2;padding:26px;align-self:flex-end;}
.case-card--big .case-inner{padding:32px;}
.case-inner h3{font-size:19px;margin:10px 0 8px;}
.case-inner p{margin:0;font-size:14px;color:var(--text-2);}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card:hover img{transform:scale(1.04);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-deep);position:relative;overflow:hidden;padding:56px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 18% 50%,rgba(75,92,255,.28),transparent 70%),
             radial-gradient(420px 220px at 82% 50%,rgba(34,224,200,.14),transparent 72%);
  opacity:.9;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-inner p{margin:0;color:var(--text-2);font-size:15px;}

/* ---------- 证言 ---------- */
.voice-track{
  display:flex;gap:20px;overflow-x:auto;padding:8px 4px 22px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:rgba(75,92,255,.6) transparent;
}
.voice-track::-webkit-scrollbar{height:6px;}
.voice-track::-webkit-scrollbar-thumb{background:rgba(75,92,255,.55);border-radius:6px;}
.voice-card{
  flex:0 0 340px;scroll-snap-align:start;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.voice-card:nth-child(even){margin-top:26px;}
.voice-card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.3);}
.voice-quote{font-size:32px;line-height:1;color:var(--brand);font-weight:700;margin-bottom:10px;}
.voice-card p{font-size:14.5px;color:var(--text-2);margin-bottom:20px;}
.voice-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px;}
.voice-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;border:1px solid var(--line-strong);flex:0 0 40px;background:linear-gradient(140deg,#1a2450,#0d1226);}
.voice-avatar img{width:100%;height:100%;object-fit:cover;}
.voice-user strong{display:block;font-size:14px;color:var(--text);font-weight:600;}
.voice-user small{font-size:12.5px;color:var(--text-3);}
.track-hint{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- CMS 列表 ---------- */
.cms-grid{margin-bottom:0;}
.cms-card{
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--bg-alt);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,224,200,.28);}
.cms-link{display:flex;flex-direction:column;width:100%;height:100%;color:inherit;}
.cms-link:hover{color:inherit;}
.cms-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#131c3c,#0A0E1C);}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.cms-card:hover .cms-thumb img{transform:scale(1.04);}
.cms-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.cms-body h3{
  font-size:17px;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.cms-card:hover .cms-body h3{color:var(--accent);}
.cms-body p{
  font-size:14px;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3);}
.cms-arrow{color:var(--brand);font-weight:700;transition:transform .22s var(--ease),color .22s var(--ease);}
.cms-card:hover .cms-arrow{transform:translateX(4px);color:var(--accent);}
.cms-card--lead .cms-link{flex-direction:row;align-items:stretch;}
.cms-card--lead .cms-thumb{flex:0 0 46%;aspect-ratio:auto;min-height:260px;}
.cms-card--lead .cms-body{padding:32px;justify-content:center;}
.cms-card--lead .cms-body h3{font-size:24px;-webkit-line-clamp:3;margin:14px 0 12px;}
.cms-card--lead .cms-body p{font-size:15px;-webkit-line-clamp:3;}
.cms-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);background:rgba(255,255,255,.02);text-align:center;padding:32px;
}
.cms-empty svg{width:34px;height:34px;stroke:var(--text-3);fill:none;stroke-width:1.6;}
.cms-empty p{margin:0;color:var(--text-2);font-size:15px;}
.cms-space{height:0;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.faq-side h2{margin-bottom:16px;}
.faq-side p{color:var(--text-2);font-size:15px;margin-bottom:20px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-plus{position:relative;width:18px;height:18px;flex:0 0 18px;}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-plus::before{top:8px;left:0;width:18px;height:2px;}
.faq-plus::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-plus::after{transform:rotate(45deg) scaleY(0);opacity:0;}
.faq-item[open] .faq-plus::before{transform:rotate(180deg);background:var(--warm);}
.faq-answer{padding:0 4px 22px;font-size:15px;color:var(--text-2);max-width:760px;line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand p{font-size:14px;color:var(--text-3);margin:16px 0 0;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;color:var(--text-3);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 移动吸底 CTA ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  background:rgba(7,10,20,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:8px 14px;
}
.sticky-cta .btn{height:40px;padding:0 20px;font-size:14px;}
.sticky-cta .btn--ghost{flex:0 0 40%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{min-height:auto;padding-top:calc(var(--header-h) + 64px);}
  .glass-card{max-width:640px;}
}
@media (max-width:991px){
  .nav-main{display:none;}
  .nav-actions .btn--ghost{display:none;}
  .nav-toggle{display:block;}
  .section{padding:76px 0;}
  .pain-grid,.faq-grid{grid-template-columns:1fr;gap:32px;}
  .sol-block--75,.sol-block--57{grid-template-columns:1fr;gap:28px;}
  .sol-block--57 .sol-media{order:-1;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .cms-card--lead .cms-link{flex-direction:column;}
  .cms-card--lead .cms-thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .cms-card--lead .cms-body{padding:24px;}
  .cms-card--lead .cms-body h3{font-size:21px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .pain-item:nth-child(2),.pain-item:nth-child(3){margin-left:0;}
  .hero-btns .btn{width:100%;}
  .trust-row{gap:16px;}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left;}
  .cta-inner .btn{width:100%;}
  .voice-card{flex:0 0 82%;}
  .voice-card:nth-child(even){margin-top:0;}
  .sticky-cta{display:flex;align-items:center;gap:10px;justify-content:center;}
  body{padding-bottom:56px;}
  .nav-actions .btn--primary{display:none;}
}
@media (max-width:575px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .stats-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cms-card--lead .cms-body h3{font-size:19px;}
  .section-head{margin-bottom:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-base:#0A0E1C;
  --bg-alt:#0E1428;
  --bg-deep:#070A14;
  --brand:#4B5CFF;
  --brand-soft:rgba(75,92,255,.14);
  --accent:#22E0C8;
  --accent-soft:rgba(34,224,200,.12);
  --warm:#FF9F45;
  --text:#E8ECF6;
  --text-2:#A7B0C8;
  --text-3:#6D7791;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.055);
  --ok:#23C88A;
  --warn:#FFC24B;
  --err:#FF5C6C;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow:0 10px 30px rgba(3,6,16,.5);
  --shadow-hover:0 16px 44px rgba(3,6,16,.62);
  --glow:0 0 0 1px rgba(75,92,255,.6), 0 8px 24px rgba(75,92,255,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Inter","Segoe UI",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35;font-weight:700;}
p{margin:0 0 var(--s4);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,28,.92);
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,14,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 28px rgba(3,6,16,.55);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:var(--s5);
  height:var(--nav-h);
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:
    linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 0 18px rgba(75,92,255,.55);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:rgba(7,10,20,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;}
.nav-main{display:flex;align-items:center;gap:28px;}
.nav-main a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-main a:hover{color:var(--accent);}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:var(--s3);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  display:block;width:18px;height:2px;margin:4px auto;border-radius:2px;background:var(--text);
  transition:transform .22s var(--ease),opacity .22s 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);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--glow);}
.btn--primary:hover{background:#5a6aff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(75,92,255,.6),0 10px 32px rgba(75,92,255,.55);}
.btn--primary:active{transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--text-2);border-color:rgba(255,255,255,.24);}
.btn--ghost:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);transform:translateY(-2px);}
.btn--pill{border-radius:999px;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn--block{width:100%;}

/* ---------- article top ---------- */
.article-head{
  position:relative;
  padding:56px 0 40px;
  background-image:linear-gradient(rgba(10,14,28,.78),rgba(10,14,28,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:88px 88px;
  pointer-events:none;
}
.article-head::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(75,92,255,.32),rgba(75,92,255,0) 68%);
  pointer-events:none;
}
.article-head .grid-container{position:relative;z-index:2;}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:var(--s5);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:rgba(255,255,255,.2);}
.crumb .cur{color:var(--text-2);}
.article-head h1{
  font-size:clamp(26px,3.8vw,42px);
  line-height:1.3;
  max-width:900px;
  margin-bottom:var(--s5);
}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13px;color:var(--text-3);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag--warm{background:rgba(255,159,69,.14);color:var(--warm);border:1px solid rgba(255,159,69,.3);}
.tag--brand{background:var(--brand-soft);color:#9aa5ff;border:1px solid rgba(75,92,255,.34);}
.tag--accent{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(34,224,200,.3);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);}

/* ---------- layout ---------- */
.article-main{padding:64px 0 80px;background:var(--bg-base);}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;}
.article-grid--single{grid-template-columns:minmax(0,1fr);}

/* ---------- prose ---------- */
.article-body{
  max-width:800px;
  font-size:16px;line-height:1.9;color:var(--text);
  letter-spacing:.01em;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  margin:44px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(75,92,255,.6);
}
.article-body h3{font-size:19px;margin:32px 0 14px;font-weight:600;color:var(--text);}
.article-body h4{font-size:16px;margin:24px 0 10px;font-weight:600;color:var(--text-2);}
.article-body p{margin:0 0 18px;color:var(--text-2);}
.article-body strong{color:var(--text);}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(34,224,200,.35);}
.article-body a:hover{border-bottom-color:var(--accent);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:var(--text-2);}
.article-body li{margin-bottom:10px;}
.article-body li::marker{color:var(--accent);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--glass);
  color:var(--text-2);
}
.article-body img{border-radius:var(--r-md);margin:22px 0;width:100%;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  border:1px solid var(--line-strong);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.article-body thead th{background:rgba(75,92,255,.12);color:var(--text);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body tbody td{color:var(--text-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;font-size:14px;color:var(--accent);
}

/* ---------- empty state ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:48px 24px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:14px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:22px;
  background:rgba(255,255,255,.04);
}
.empty-state p{color:var(--text-2);font-size:15px;margin:0;}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:var(--s5);position:sticky;top:96px;}
.side-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--accent);
  box-shadow:0 0 10px rgba(34,224,200,.7);
}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);padding:9px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);border:1px solid transparent;
}
.side-list a:hover{color:var(--accent);border-color:rgba(34,224,200,.4);background:var(--accent-soft);transform:translateX(2px);}
.side-list a span{color:var(--text-3);font-size:12px;}
.side-note{font-size:13px;color:var(--text-3);line-height:1.85;margin:0;}

/* ---------- inline cta after content ---------- */
.inline-cta{
  margin-top:var(--s7);
  background:linear-gradient(120deg,rgba(75,92,255,.16),rgba(34,224,200,.08));
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.inline-cta h3{font-size:18px;margin-bottom:6px;}
.inline-cta p{margin:0;font-size:14px;color:var(--text-2);}

/* ---------- related ---------- */
.section{padding:80px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:var(--s6);}
.section-head h2{font-size:clamp(22px,3vw,30px);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px;}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--s5);}
.card{
  display:flex;flex-direction:column;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,224,200,.35);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#131a33,#0b1022);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:16px;line-height:1.55;}
.card:hover .card-body h3{color:var(--accent);}
.card-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .arrow{color:var(--accent);transition:transform .22s var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--accent);
  transition:transform .22s var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--accent);}
.faq-item .faq-body{padding:0 0 18px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:760px;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;background:var(--bg-deep);border-top:1px solid var(--line);
  padding:56px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:620px;height:620px;left:-160px;top:-320px;border-radius:50%;
  background:radial-gradient(circle,rgba(75,92,255,.28),rgba(75,92,255,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:8px;}
.cta-inner p{margin:0;color:var(--text-2);font-size:15px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px;line-height:1.85;}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text);}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col ul li{font-size:14px;color:var(--text-3);}
.footer-col ul a{font-size:14px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- mobile sticky cta ---------- */
.mobile-cta{display:none;}

@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 300px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .nav-main{display:none;}
  .nav-toggle{display:block;}
  .nav-actions .btn{display:none;}
  .site-header.nav-open .nav-main{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:100%;
    background:rgba(10,14,28,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:8px 24px 20px;
  }
  .site-header.nav-open .nav-main a{
    font-size:16px;color:var(--text);padding:0;height:52px;display:flex;align-items:center;
    border-bottom:1px solid var(--line);
  }
  .site-header.nav-open .nav-main a::after{display:none;}
  .site-header.nav-open .nav-main a.is-active{color:var(--accent);}
  .faq-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-main{padding:48px 0 64px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-wrap{height:64px;}
  .article-head{padding:40px 0 32px;}
  .article-body{font-size:16px;}
  .article-body table{font-size:13px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left;}
  .cta-inner .btn{width:100%;}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .inline-cta .btn{width:100%;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
    background:rgba(7,10,20,.94);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
  .mobile-cta a{
    flex:1;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:600;color:var(--text-2);
  }
  .mobile-cta a.primary{background:var(--brand);color:#fff;}
  .site-footer{padding-bottom:56px;}
}
@media (max-width:520px){
  .article-head h1{font-size:24px;}
  .tag{font-size:11px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --bg-base:#0A0E1C;
  --bg-alt:#0E1428;
  --bg-deep:#070A14;
  --brand:#4B5CFF;
  --brand-soft:rgba(75,92,255,.14);
  --accent:#22E0C8;
  --accent-soft:rgba(34,224,200,.12);
  --warm:#FF9F45;
  --warm-soft:rgba(255,159,69,.14);
  --success:#23C88A;
  --text:#E8ECF6;
  --text-2:#A7B0C8;
  --text-3:#6D7791;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.2);
  --glass:rgba(255,255,255,.055);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow:0 10px 30px rgba(3,6,16,.5);
  --shadow-hover:0 16px 44px rgba(3,6,16,.62);
  --glow:0 0 0 1px rgba(75,92,255,.6),0 8px 24px rgba(75,92,255,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,"Segoe UI",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;font-weight:700;}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.6;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.grid-container{padding-left:24px;padding-right:24px;}}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,14,28,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,14,28,.74);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .22s var(--ease);}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background-color:#4B5CFF;
  background-image:linear-gradient(135deg,#4B5CFF 0%,#22E0C8 100%),radial-gradient(circle,rgba(7,10,20,.9) 1.5px,transparent 1.6px);
  background-image:radial-gradient(circle,rgba(7,10,20,.88) 1.5px,transparent 1.6px),linear-gradient(135deg,#4B5CFF 0%,#22E0C8 100%);
  background-size:8px 8px,100% 100%;
  box-shadow:0 0 0 1px rgba(75,92,255,.5),0 6px 18px rgba(75,92,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.nav-main{display:flex;align-items:center;gap:28px;}
.nav-main > a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-main > a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .22s var(--ease);
}
.nav-main > a:hover{color:var(--accent);}
.nav-main > a:hover::after{width:100%;}
.nav-main > a.is-active{color:var(--accent);font-weight:600;}
.nav-main > a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-drawer-cta{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 22px;border-radius:var(--r-md);border:1px solid transparent;
  cursor:pointer;text-align:center;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--glow);}
.btn--primary:hover{color:#fff;background:#5B6BFF;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(75,92,255,.7),0 10px 32px rgba(75,92,255,.55);}
.btn--primary:active{transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--text-2);border-color:rgba(255,255,255,.24);}
.btn--ghost:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(-1px);}
.btn--pill{border-radius:999px;padding:15px 30px;}
.btn--sm{font-size:14px;padding:10px 16px;border-radius:10px;}
.btn--block{width:100%;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:96px 0;}}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:32px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);max-width:760px;font-size:15px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.lead{color:var(--text-2);font-size:16px;}
.muted{color:var(--text-3);font-size:13px;}

.tag{
  display:inline-block;font-size:12px;line-height:1;padding:5px 10px;border-radius:var(--r-sm);
  background:var(--warm-soft);color:var(--warm);font-weight:600;letter-spacing:.02em;
}
.tag--accent{background:var(--accent-soft);color:var(--accent);}
.tag--brand{background:var(--brand-soft);color:#8D99FF;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 56px;
  background-image:linear-gradient(rgba(7,10,20,.82),rgba(7,10,20,.9)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 12% 0%,rgba(75,92,255,.28),transparent 68%),radial-gradient(520px 280px at 92% 24%,rgba(34,224,200,.16),transparent 70%);
}
.cat-hero .grid-container{position:relative;z-index:2;}
@media (min-width:768px){.cat-hero{padding:72px 0 72px;min-height:320px;display:flex;align-items:center;}}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{margin:0 8px;color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--text);}
.cat-hero h1{margin-bottom:18px;}
.cat-hero .lead{max-width:640px;margin-bottom:26px;font-size:15.5px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  padding:24px;
}
.glass-card h3{font-size:16px;margin-bottom:16px;}
.info-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);}
.info-row:last-child{border-bottom:0;padding-bottom:0;}
.info-row .k{font-size:13px;color:var(--text-3);}
.info-row .v{font-size:15px;font-weight:600;color:var(--accent);}

/* ---------- 图文交错模块 ---------- */
.feature-row{align-items:center;}
.feature-row + .feature-row{margin-top:56px;}
@media (min-width:768px){.feature-row + .feature-row{margin-top:88px;}}
.feature-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(135deg,#141B33,#0B1024);
  aspect-ratio:16/10;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.feature-media:hover img{transform:scale(1.04);}
.feature-copy h3{margin-bottom:14px;}
.feature-copy p{color:var(--text-2);font-size:15px;}
.point-list{margin:20px 0 22px;}
.point-list li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:var(--text-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.7);
}
.link-more{position:relative;display:inline-block;font-size:14px;font-weight:600;color:var(--accent);}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--accent);
  transition:width .22s var(--ease);
}
.link-more:hover::after{width:100%;}

/* ---------- 数据横条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr);}}
.stat-cell{background:var(--bg-alt);padding:26px 22px;}
.stat-cell .num{font-size:clamp(26px,3.4vw,36px);font-weight:700;color:var(--accent);line-height:1.2;letter-spacing:-.01em;}
.stat-cell .desc{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- 资讯列表 ---------- */
.news-list .cell + .cell{margin-top:20px;}
.news-item{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,224,200,.34);}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#141B33,#0B1024);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;}
.news-body h3{font-size:18px;margin:12px 0 8px;transition:color .2s var(--ease);}
.news-item:hover .news-body h3{color:var(--accent);}
.news-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px;}
.news-time{font-size:13px;color:var(--warm);}
.news-arrow{font-size:14px;font-weight:600;color:var(--text-2);}
.news-item:hover .news-arrow{color:var(--accent);}
@media (min-width:768px){
  .news-item{grid-template-columns:280px 1fr;}
  .news-thumb{aspect-ratio:auto;height:100%;min-height:190px;}
  .news-body{padding:24px 26px 22px 0;}
}
@media (min-width:992px){
  .news-item{grid-template-columns:320px 1fr;}
}

/* ---------- 中部 CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-deep);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(520px 240px at 78% 30%,rgba(75,92,255,.3),transparent 70%),radial-gradient(380px 200px at 12% 80%,rgba(34,224,200,.14),transparent 72%);
}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-inner{display:flex;flex-direction:column;gap:20px;padding:44px 0;}
.cta-inner h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:620px;}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 0;}
  .cta-inner .cta-actions{flex:0 0 auto;}
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 48px 20px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 40px 22px 0;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;color:var(--text-3);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 24px;
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

/* ---------- 移动端吸底 CTA ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:56px;padding:8px 16px;background:rgba(7,10,20,.94);
  border-top:1px solid var(--line);backdrop-filter:blur(12px);
  align-items:center;justify-content:space-between;gap:12px;
}
.sticky-cta span{font-size:13px;color:var(--text-2);}
.sticky-cta .btn{flex:0 0 auto;}

@media (max-width:767px){
  .sticky-cta{display:flex;}
  body{padding-bottom:56px;}
}

/* ---------- 移动端抽屉导航 ---------- */
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .nav-main{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:96px 24px 120px;
    background:rgba(10,14,28,.98);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .28s var(--ease),opacity .28s var(--ease);
    overflow-y:auto;
  }
  .site-header.nav-open .nav-main{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-main > a{
    font-size:18px;padding:16px 0;border-bottom:1px solid var(--line);min-height:52px;
    display:flex;align-items:center;
  }
  .nav-main > a::after{display:none;}
  .nav-drawer-cta{
    display:block;position:fixed;left:0;right:0;bottom:0;padding:16px 24px 24px;
    background:linear-gradient(180deg,rgba(10,14,28,0),rgba(10,14,28,.98) 40%);
    transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .28s var(--ease),opacity .28s var(--ease);
  }
  .site-header.nav-open .nav-drawer-cta{transform:translateY(0);opacity:1;pointer-events:auto;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --bg-base:#0A0E1C;
  --bg-alt:#0E1428;
  --bg-deep:#070A14;
  --brand:#4B5CFF;
  --accent:#22E0C8;
  --warm:#FF9F45;
  --text:#E8ECF6;
  --text-2:#A7B0C8;
  --text-3:#6D7791;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.055);
  --success:#23C88A;
  --warning:#FFC24B;
  --danger:#FF5C6C;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --shadow-card:0 10px 30px rgba(3,6,16,.5);
  --shadow-hover:0 16px 44px rgba(3,6,16,.62);
  --shadow-glow:0 0 0 1px rgba(75,92,255,.6),0 8px 24px rgba(75,92,255,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media screen and (min-width:1440px){.grid-container{max-width:1280px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--brand);color:#fff;border-radius:var(--r-pill);
  box-shadow:var(--shadow-glow);
}
.btn--primary:hover{
  color:#fff;background:#5D6DFF;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(75,92,255,.7),0 10px 32px rgba(75,92,255,.55);
}
.btn--primary:active{transform:translateY(-1px)}
.btn--ghost{
  background:transparent;color:var(--text);border-color:rgba(255,255,255,.24);
  border-radius:var(--r-pill);
}
.btn--ghost:hover{
  color:var(--accent);border-color:var(--accent);background:rgba(34,224,200,.08);
}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--lg{height:54px;padding:0 34px;font-size:16px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(10,14,28,.55);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(10,14,28,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:
    radial-gradient(circle at 30% 30%,rgba(34,224,200,.95),rgba(34,224,200,0) 60%),
    linear-gradient(135deg,var(--brand),#2B37C9);
  box-shadow:0 0 0 1px rgba(75,92,255,.55),0 0 18px rgba(75,92,255,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;
  background:rgba(10,14,28,.72);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.28em;margin-top:3px}

.nav-main{display:flex;align-items:center;gap:28px}
.nav-main a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--accent);transition:width .22s var(--ease);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after{width:100%}
.nav-main a.is-active{color:var(--accent)}
.nav-main a.is-active::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line-strong);
  background:transparent;border-radius:10px;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:340px;
  display:flex;align-items:center;
  padding:48px 0 56px;
  background:var(--bg-base);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(100deg,rgba(7,10,20,.95) 0%,rgba(7,10,20,.82) 48%,rgba(10,14,28,.66) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.page-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 260px at 12% 18%,rgba(75,92,255,.22),transparent 70%),
    radial-gradient(420px 240px at 88% 82%,rgba(34,224,200,.14),transparent 72%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/64px 64px;
}
.page-hero__inner{position:relative;z-index:2;width:100%}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}

.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span.current{color:var(--text)}

.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;color:var(--accent);
}
.hero-lead{
  max-width:720px;font-size:15.5px;color:var(--text-2);line-height:1.9;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  font-size:13px;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-sm);
  padding:6px 12px;background:rgba(255,255,255,.03);
}
.hero-tags li b{color:var(--accent);font-weight:600}

/* 玻璃索引卡 */
.hero-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.hero-card__title{
  font-size:13px;letter-spacing:.16em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:16px;
}
.hero-card__row{
  display:flex;align-items:center;gap:14px;
  padding:14px 0;border-top:1px solid var(--line);
}
.hero-card__row:first-of-type{border-top:0;padding-top:0}
.hero-card__num{
  font-size:13px;font-weight:700;color:var(--accent);
  min-width:28px;letter-spacing:.06em;
}
.hero-card__body{flex:1;min-width:0}
.hero-card__body strong{display:block;font-size:15px;color:var(--text);font-weight:600}
.hero-card__body span{display:block;font-size:13px;color:var(--text-3);line-height:1.65;margin-top:2px}
.hero-card__row a{font-size:13px;color:var(--accent);white-space:nowrap}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:var(--bg-deep)}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--accent);
  border:1px solid rgba(34,224,200,.28);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;background:rgba(34,224,200,.06);
}
.section-title{
  font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;color:#fff;
}
.section-sub{font-size:15px;color:var(--text-2);margin-top:16px;max-width:720px}

/* 板块一：左标题栏 + 右条目 */
.intro-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.intro-sticky{position:sticky;top:104px}
.intro-sticky p{font-size:14.5px;color:var(--text-2);margin-top:18px;max-width:320px}
.intro-list{display:flex;flex-direction:column;gap:20px}
.intro-item{
  position:relative;padding:22px 24px 22px 30px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.intro-item::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(75,92,255,.55);
}
.intro-item h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:8px}
.intro-item p{font-size:14.5px;color:var(--text-2)}
.intro-item:hover{transform:translateX(4px);border-color:rgba(34,224,200,.28);box-shadow:var(--shadow-card)}

/* 板块二：时间线 */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(75,92,255,.7),rgba(34,224,200,.45),rgba(255,255,255,.06));
}
.tl-item{position:relative;padding-left:64px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--accent);
  background:rgba(10,14,28,.9);
  border:1px solid rgba(34,224,200,.35);
  box-shadow:0 0 0 4px rgba(10,14,28,.9);
}
.tl-body{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.tl-body h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px}
.tl-body p{font-size:14.5px;color:var(--text-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-tags li{
  font-size:12px;color:var(--text-2);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:3px 10px;background:rgba(255,255,255,.03);
}
.tl-item:hover .tl-body{border-color:rgba(75,92,255,.45);box-shadow:var(--shadow-card);transform:translateY(-2px)}

/* 板块三：图文 + 侧栏要点 */
.split-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.split-grid--reverse{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.split-grid+.split-grid{margin-top:72px}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:linear-gradient(135deg,#141B33,#0A0E1C);
}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.split-body h3{font-size:20px;font-weight:600;color:#fff;margin-bottom:14px}
.split-body>p{font-size:15px;color:var(--text-2);max-width:640px}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.point-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2)}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.8);
}
.point-list li b{color:var(--text);font-weight:600}
.link-more{
  display:inline-block;margin-top:22px;font-size:14px;color:var(--text-2);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);
  transition:width .22s var(--ease);
}
.link-more:hover{color:var(--accent)}
.link-more:hover::after{width:100%}

/* 信息条 / 票券 */
.info-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.info-item{
  background:linear-gradient(180deg,rgba(14,20,40,.96),rgba(10,14,28,.96));
  padding:26px 24px;
  transition:background-color .22s var(--ease);
}
.info-item:hover{background:linear-gradient(180deg,rgba(22,30,58,.98),rgba(12,17,34,.98))}
.info-item .info-k{
  font-size:12px;letter-spacing:.16em;color:var(--warm);margin-bottom:12px;
}
.info-item h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px}
.info-item p{font-size:14px;color:var(--text-2)}

/* 卡片列表（图左文右） */
.card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card-row{
  display:flex;gap:18px;align-items:stretch;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,224,200,.3)}
.card-row__media{
  flex:0 0 168px;border-radius:var(--r-md);overflow:hidden;
  background:linear-gradient(135deg,#141B33,#0A0E1C);
}
.card-row__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.card-row:hover .card-row__media img{transform:scale(1.04)}
.card-row__body{flex:1;min-width:0;display:flex;flex-direction:column}
.tag{
  display:inline-block;font-size:12px;color:var(--warm);
  background:rgba(255,159,69,.12);border:1px solid rgba(255,159,69,.3);
  border-radius:var(--r-sm);padding:2px 9px;margin-bottom:10px;align-self:flex-start;
}
.card-row__body h3{font-size:16.5px;font-weight:600;color:#fff;line-height:1.5;margin-bottom:8px}
.card-row:hover .card-row__body h3{color:var(--accent)}
.card-row__body p{font-size:14px;color:var(--text-2);flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-size:13px;color:var(--text-3)}
.card-meta span.arrow{color:var(--accent)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 0;position:relative;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:6px;top:50%;
  width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(var(--accent),var(--accent)) center/14px 2px no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/2px 14px no-repeat;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--accent)}
.faq-item .faq-a{
  padding:0 44px 22px 0;font-size:15px;color:var(--text-2);line-height:1.8;
}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-deep);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 20% 0%,rgba(75,92,255,.22),transparent 70%),
             radial-gradient(480px 220px at 88% 100%,rgba(34,224,200,.14),transparent 72%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;color:#fff;line-height:1.4;letter-spacing:-.01em}
.cta-inner p{font-size:14.5px;color:var(--text-2);margin-top:10px;max-width:620px}

/* 页脚 */
.site-footer{background:var(--bg-deep);padding:64px 0 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2.4fr));gap:32px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:var(--text-2)}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* 吸底 CTA */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:130;
  background:rgba(7,10,20,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;gap:12px;
}
.sticky-cta span{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-cta .btn{height:40px;padding:0 20px;font-size:14px}

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

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .split-grid,.split-grid--reverse{grid-template-columns:1fr;gap:28px}
  .split-grid--reverse .split-media{order:-1}
}
@media screen and (max-width:991px){
  .nav-main{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,10,20,.98);backdrop-filter:blur(14px);
    padding:12px 24px 120px;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
    overflow-y:auto;
  }
  .nav-main.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav-main a{font-size:16px;padding:0;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
  .nav-main a::after{display:none}
  .nav-main a.is-active{color:var(--accent)}
  .nav-toggle{display:flex}
  .nav-actions .btn--ghost{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .intro-grid,.faq-grid{grid-template-columns:1fr;gap:28px}
  .intro-sticky{position:static}
  .intro-sticky p{max-width:none}
  .card-list{grid-template-columns:1fr}
  .info-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media screen and (max-width:768px){
  .section{padding:56px 0}
  .page-hero{padding:32px 0 40px;min-height:0}
  .grid-container{padding-left:16px;padding-right:16px}
  .hero-btns{gap:10px}
  .hero-btns .btn{width:100%}
  .hero-tags{gap:8px}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left}
  .cta-inner .btn{width:100%}
  .cta-band{padding:48px 0}
  .sticky-cta{display:flex}
  body{padding-bottom:56px}
  .card-row{flex-direction:column}
  .card-row__media{flex:none;width:100%}
  .card-row__media img{aspect-ratio:16/9;height:auto}
}
@media screen and (max-width:575px){
  .brand-sub{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .tl-item{padding-left:52px}
  .tl-num{width:34px;height:34px;font-size:12px}
  .timeline::before{left:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-base:#0A0E1C;
  --bg-alt:#0E1428;
  --bg-deep:#070A14;
  --brand:#4B5CFF;
  --brand-soft:rgba(75,92,255,.14);
  --accent:#22E0C8;
  --warm:#FF9F45;
  --ok:#23C88A;
  --warn:#FFC24B;
  --danger:#FF5C6C;
  --text:#E8ECF6;
  --text-2:#A7B0C8;
  --text-3:#6D7791;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.055);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(3,6,16,.5);
  --sh-hover:0 16px 44px rgba(3,6,16,.62);
  --sh-glow:0 0 0 1px rgba(75,92,255,.6),0 8px 24px rgba(75,92,255,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--text);margin:0;letter-spacing:-.01em;font-weight:700}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25}
h2{font-size:clamp(22px,3vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:16px;line-height:1.6;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(75,92,255,.42);color:#fff}

.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1280px}}
@media (max-width:767px){.grid-container{padding-left:16px;padding-right:16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 22px;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(75,92,255,.32)}
.btn--primary:hover{color:#fff;background:#5a69ff;transform:translateY(-2px);box-shadow:0 10px 32px rgba(75,92,255,.55)}
.btn--primary:active{transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.24)}
.btn--ghost:hover{color:var(--accent);border-color:var(--accent);background:rgba(34,224,200,.08)}
.btn--pill{border-radius:var(--r-pill)}
.btn--sm{padding:11px 18px;font-size:14px}
.btn--lg{padding:16px 30px;font-size:16px}
.btn i{font-size:13px}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-2);
  position:relative;padding-bottom:3px;
}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width var(--t)}
.link-more:hover{color:var(--accent)}
.link-more:hover::after{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:72px;display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(10,14,28,.86),rgba(10,14,28,.4));
  border-bottom:1px solid transparent;
  transition:height var(--t),background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.is-scrolled{
  height:64px;background:rgba(10,14,28,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;position:relative;
  background:
    radial-gradient(circle at 30% 30%,rgba(34,224,200,.85),transparent 60%),
    linear-gradient(140deg,var(--brand),#2b37a8);
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px rgba(75,92,255,.42);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:
    linear-gradient(90deg,transparent 31%,rgba(255,255,255,.75) 31%,rgba(255,255,255,.75) 35%,transparent 35%,transparent 65%,rgba(255,255,255,.75) 65%,rgba(255,255,255,.75) 69%,transparent 69%),
    linear-gradient(180deg,transparent 31%,rgba(255,255,255,.75) 31%,rgba(255,255,255,.75) 35%,transparent 35%,transparent 65%,rgba(255,255,255,.75) 65%,rgba(255,255,255,.75) 69%,transparent 69%);
  opacity:.85;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.24em}
.nav-main{display:flex;align-items:center;gap:28px}
.nav-main a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--accent);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:991px){
  .site-header{height:64px}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .nav-main{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,10,20,.96);backdrop-filter:blur(16px);
    padding:16px 20px 32px;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity var(--t),transform var(--t),visibility var(--t);
  }
  .nav-main.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  .nav-main a{font-size:17px;padding:0;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
  .nav-main a::after{display:none}
  .nav-main a.is-active{color:var(--accent)}
}

/* ---------- 页面小 Hero ---------- */
.page-hero{
  position:relative;margin-top:0;padding:150px 0 56px;
  min-height:320px;
  background-color:#0b1122;
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 300px at 18% 12%,rgba(75,92,255,.30),transparent 62%),
    radial-gradient(560px 260px at 88% 88%,rgba(34,224,200,.16),transparent 66%),
    linear-gradient(180deg,rgba(7,10,20,.90),rgba(10,14,28,.94));
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:860px}
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.5}
.crumb .cur{color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--accent);
  border:1px solid rgba(34,224,200,.34);background:rgba(34,224,200,.07);
  border-radius:var(--r-sm);padding:6px 12px;margin-bottom:18px;
}
.page-hero h1{margin-bottom:18px}
.hero-lead{font-size:16px;color:var(--text-2);max-width:760px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 信息条 ---------- */
.info-strip{
  background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;
}
.info-strip .strip-grid{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:space-between}
.strip-item{display:flex;align-items:center;gap:12px;min-width:200px}
.strip-item i{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--accent);font-size:14px;flex:none;
}
.strip-item .lab{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.strip-item .val{font-size:14px;color:var(--text);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head .head-text{max-width:720px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px}
.section-tag{
  display:inline-block;font-size:12px;color:var(--warm);
  background:rgba(255,159,69,.10);border:1px solid rgba(255,159,69,.28);
  border-radius:var(--r-sm);padding:4px 10px;margin-bottom:14px;
}
.grid-grid{display:grid;gap:24px}
@media (max-width:575px){.section{padding:56px 0}}

/* ---------- 票券卡片 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ticket{
  position:relative;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px 22px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.ticket::before,.ticket::after{
  content:"";position:absolute;top:50%;width:18px;height:18px;border-radius:50%;
  background:var(--bg-base);border:1px solid var(--line);transform:translateY(-50%);
}
.ticket::before{left:-10px;clip-path:inset(0 0 0 50%)}
.ticket::after{right:-10px;clip-path:inset(0 50% 0 0)}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(34,224,200,.28)}
.ticket .t-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.ticket .t-head i{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--accent);font-size:15px}
.ticket .t-num{font-size:34px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:-.02em}
.ticket h3{font-size:18px;margin-bottom:8px}
.ticket p{font-size:14px;color:var(--text-2)}
.ticket .t-line{margin:18px 0 0;border-top:1px dashed var(--line-2);padding-top:14px;display:flex;justify-content:space-between;font-size:12px;color:var(--text-3)}
@media (max-width:991px){.ticket-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.ticket-grid{grid-template-columns:1fr}}

/* ---------- 时间线 ---------- */
.schedule-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.side-note{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.side-note h3{font-size:17px;margin-bottom:14px}
.side-note ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-note ul li:last-child{border-bottom:0}
.side-note ul li i{color:var(--accent);font-size:12px;margin-top:8px;flex:none}
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(34,224,200,.35))}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(34,224,200,.12);
}
.tl-item .tl-time{font-size:12px;color:var(--warm);letter-spacing:.06em;margin-bottom:6px;display:inline-block}
.tl-item h3{font-size:17px;margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--text-2)}
@media (max-width:991px){
  .schedule-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- 步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st}
.step{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(75,92,255,.34)}
.step .s-idx{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,var(--brand),#2b37a8);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 8px 20px rgba(75,92,255,.32);
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}
@media (max-width:991px){.step-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.step-grid{grid-template-columns:1fr}}

/* ---------- 横排条目列表 ---------- */
.entry-list{display:grid;gap:20px}
.entry{
  display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:center;
  background:var(--bg-base);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(34,224,200,.26)}
.entry .thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#131a34,#0b1022)}
.entry .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.entry:hover .thumb img{transform:scale(1.04)}
.entry .meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.badge{font-size:12px;border-radius:var(--r-sm);padding:4px 10px;line-height:1.5;display:inline-block}
.badge--warm{color:var(--warm);background:rgba(255,159,69,.10);border:1px solid rgba(255,159,69,.28)}
.badge--accent{color:var(--accent);background:rgba(34,224,200,.08);border:1px solid rgba(34,224,200,.28)}
.badge--brand{color:#b9c1ff;background:rgba(75,92,255,.14);border:1px solid rgba(75,92,255,.34)}
.entry h3{font-size:18px;margin-bottom:8px}
.entry:hover h3{color:var(--accent)}
.entry p{font-size:14px;color:var(--text-2)}
.entry .foot{margin-top:14px;display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--text-3);align-items:center}
.entry .foot i{margin-right:6px}
@media (max-width:767px){
  .entry{grid-template-columns:1fr;gap:16px}
  .entry .thumb{aspect-ratio:16/9}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-of-type{border-top:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--t);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--accent)}
.faq-list summary .ico{
  width:26px;height:26px;border-radius:8px;flex:none;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--accent);font-size:12px;transition:transform var(--t),border-color var(--t);
}
.faq-list details[open] summary .ico{transform:rotate(45deg);border-color:var(--accent)}
.faq-list .ans{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}
@media (max-width:991px){.faq-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 240px at 22% 30%,rgba(75,92,255,.28),transparent 66%),
             radial-gradient(420px 200px at 82% 80%,rgba(34,224,200,.14),transparent 68%);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px}
@media (max-width:767px){
  .cta-band .cta-inner{flex-direction:column;text-align:center}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:10px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}

/* ---------- 移动吸底 ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:70;
  background:rgba(7,10,20,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px;
}
.sticky-cta span{font-size:13px;color:var(--text-2)}
.sticky-cta .btn{padding:10px 16px;font-size:14px}
@media (max-width:768px){
  .sticky-cta{display:flex}
  body{padding-bottom:56px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}