/* roulang page: index */
:root{
  --void:#050A16;
  --panel:#0C1628;
  --panel-soft:rgba(13,25,45,.62);
  --electric:#2F6BFF;
  --cyan:#21D4FD;
  --neon:#7C5CFF;
  --success:#32D583;
  --warn:#F59E0B;
  --text:#E8EFFC;
  --text-soft:#9DB0CE;
  --text-dim:#7C8FAD;
  --line:rgba(120,170,255,.18);
  --line-strong:rgba(120,170,255,.34);
  --radius-card:22px;
  --radius-btn:999px;
  --radius-img:18px;
  --shadow-card:0 24px 80px rgba(0,0,0,.45);
  --shadow-glow:0 12px 40px rgba(47,107,255,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(1000px 560px at 92% 4%, rgba(124,92,255,.16), transparent 60%),
    var(--void);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--panel)}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section-tight{padding:76px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--cyan);
  text-transform:uppercase;font-weight:700;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-title{font-size:clamp(1.75rem,3vw,2.5rem);margin-top:16px}
.section-sub{color:var(--text-soft);max-width:640px;margin-top:14px;font-size:16.5px}
.glass{
  background:var(--panel-soft);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.glass-hover{transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.glass-hover:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 0 1px rgba(33,212,253,.18)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:.04em;border:1px solid rgba(120,170,255,.28);
  background:rgba(47,107,255,.14);color:#BFD4FF;
}
.badge-cyan{background:rgba(33,212,253,.12);border-color:rgba(33,212,253,.32);color:#9EEBFF}
.badge-neon{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.32);color:#CFC2FF}
.badge-soft{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:var(--text-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15.5px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease,background .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--electric),var(--cyan));
  color:#04101F;box-shadow:0 12px 40px rgba(47,107,255,.45);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 52px rgba(47,107,255,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(120,170,255,.32);
  color:#DCE7FB;
}
.btn-ghost:hover{background:rgba(47,107,255,.16);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--cyan);font-size:14.5px}
.link-arrow:hover{gap:12px;color:#8FE9FF}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
.dock{
  width:min(1120px,100%);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:rgba(9,18,34,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(120,170,255,.2);
  box-shadow:0 20px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--electric),var(--neon));
  display:grid;place-items:center;box-shadow:0 8px 22px rgba(47,107,255,.5);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap}
.brand-text span{color:var(--cyan)}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--text-soft);
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#EAF2FF;background:rgba(47,107,255,.14)}
.nav-link.active{color:#EAF2FF;background:rgba(47,107,255,.22);box-shadow:inset 0 0 0 1px rgba(120,170,255,.3)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:1px;width:18px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--cyan),var(--neon));
  box-shadow:0 0 12px rgba(33,212,253,.9);
}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(120,170,255,.22);color:#C9D8F2;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.icon-btn:hover{background:rgba(47,107,255,.2);border-color:var(--line-strong);transform:translateY(-2px)}
.dock-cta{padding:11px 22px;font-size:14.5px}
.menu-btn{display:none}
.mobile-panel{
  display:none;width:min(1120px,100%);margin:10px auto 0;
  background:rgba(9,18,34,.94);backdrop-filter:blur(20px);
  border:1px solid rgba(120,170,255,.2);border-radius:26px;
  padding:14px;box-shadow:0 24px 70px rgba(0,0,0,.6);
  opacity:0;transform:translateY(-10px);transition:opacity .28s ease,transform .28s ease;
}
.mobile-panel.open{display:block;opacity:1;transform:translateY(0)}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:14px;font-weight:600;color:#D7E3F7;
}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(47,107,255,.18)}
.mobile-panel .btn{width:100%;margin-top:10px}

/* ============ Hero ============ */
.hero{position:relative;padding:96px 0 88px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.42;filter:saturate(1.05);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 18% 22%, rgba(47,107,255,.38), transparent 66%),
    radial-gradient(680px 420px at 88% 18%, rgba(124,92,255,.28), transparent 68%),
    linear-gradient(180deg, rgba(5,10,22,.72) 0%, rgba(5,10,22,.9) 62%, var(--void) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.22;
  background-image:linear-gradient(rgba(120,170,255,.14) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.14) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 76%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.14;margin-top:20px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan),var(--neon));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:22px;font-size:18px;color:#B9C9E4;max-width:600px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-trust .badge{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);color:#C6D5EE}
.entry-panel{padding:28px;border-radius:26px}
.entry-panel h2{font-size:1.25rem;font-weight:800}
.entry-panel .hint{font-size:13.5px;color:var(--text-dim);margin-top:8px}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;color:var(--text-soft);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:14px;
  background:rgba(5,10,22,.72);border:1px solid rgba(120,170,255,.22);
  color:#EAF2FF;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#66789A}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(33,212,253,.18);background:rgba(5,10,22,.92)
}
.entry-note{
  margin-top:16px;font-size:13px;color:var(--text-dim);
  display:flex;gap:8px;align-items:flex-start;line-height:1.65;
}
.entry-note svg{flex:0 0 auto;margin-top:3px}
.entry-panel .btn{width:100%;margin-top:18px}

/* ============ 服务能力 ============ */
.svc-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;margin-top:46px}
.svc-main{padding:34px}
.svc-main .thumb{
  border-radius:var(--radius-img);overflow:hidden;margin-bottom:24px;
  border:1px solid var(--line);
}
.svc-main .thumb img{width:100%;height:250px;object-fit:cover}
.svc-side{display:grid;gap:26px}
.svc-side .glass{padding:28px}
.svc-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,107,255,.32),rgba(124,92,255,.24));
  border:1px solid rgba(120,170,255,.28);margin-bottom:18px;
}
.svc-icon svg{width:22px;height:22px}
.svc-main h3,.svc-side h3{font-size:1.32rem}
.svc-main p,.svc-side p{margin-top:12px;color:var(--text-soft);font-size:15.5px;line-height:1.8}
.svc-list{margin-top:18px;display:grid;gap:10px}
.svc-list li{display:flex;gap:10px;font-size:14.5px;color:#B7C7E2}
.svc-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;margin-top:9px;flex:0 0 auto;
  background:linear-gradient(120deg,var(--cyan),var(--neon));box-shadow:0 0 10px rgba(33,212,253,.8)
}

/* ============ 数据 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:8px 0;margin-top:44px}
.stat{padding:26px 26px;border-left:1px solid rgba(255,255,255,.08)}
.stat:first-child{border-left:none}
.stat .num{
  font-size:clamp(2.2rem,3.4vw,3rem);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#EAF4FF,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .num small{font-size:.46em;font-weight:700;margin-left:4px;color:#9DB0CE;-webkit-text-fill-color:#9DB0CE}
.stat .lbl{margin-top:12px;font-size:13.5px;color:var(--text-soft);letter-spacing:.02em}

/* ============ 资讯 ============ */
.news-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;margin-top:46px}
.news-lead{padding:0;display:flex;flex-direction:column}
.news-lead img{width:100%;height:282px;object-fit:cover;border-radius:var(--radius-card) var(--radius-card) 0 0}
.news-lead .body{padding:28px}
.news-lead h3{font-size:1.4rem;margin-top:14px}
.news-lead p{margin-top:12px;color:var(--text-soft);font-size:15.5px}
.news-side{display:grid;gap:26px}
.news-mini{display:grid;grid-template-columns:132px 1fr;gap:18px;padding:16px;align-items:center}
.news-mini img{width:100%;height:96px;object-fit:cover;border-radius:14px}
.news-mini h3{font-size:1.06rem;margin-top:8px}
.news-mini p{margin-top:8px;color:var(--text-dim);font-size:13.5px;line-height:1.7}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-all{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:26px}
.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column;height:100%}
.news-card img{width:100%;height:170px;object-fit:cover}
.news-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:1.08rem}
.news-card p{color:var(--text-soft);font-size:14.2px;line-height:1.75;flex:1}
.news-card .link-arrow{margin-top:4px}
.news-card:hover h3{color:var(--cyan)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:64px 24px;text-align:center;color:var(--text-soft)
}
.empty-state .ico{
  width:66px;height:66px;border-radius:22px;display:grid;place-items:center;
  background:rgba(47,107,255,.16);border:1px solid var(--line)
}
.empty-state .ico svg{width:28px;height:28px}

/* ============ 案例 ============ */
.case-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(320px,1fr);gap:24px;margin-top:44px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory}
.case-scroll::-webkit-scrollbar{height:6px}
.case-scroll::-webkit-scrollbar-thumb{background:rgba(120,170,255,.3);border-radius:999px}
.case-card{overflow:hidden;scroll-snap-align:start}
.case-card img{width:100%;height:200px;object-fit:cover}
.case-card .body{padding:24px}
.case-card h3{font-size:1.16rem;margin-top:14px}
.case-card p{margin-top:10px;color:var(--text-soft);font-size:14.5px}
.case-figs{display:flex;gap:26px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
.case-figs div strong{display:block;font-size:1.32rem;font-variant-numeric:tabular-nums;color:#EAF4FF}
.case-figs div span{font-size:12.5px;color:var(--text-dim)}

/* ============ 方案 ============ */
.plan-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;margin-top:20px}
.plan-sticky{position:sticky;top:120px}
.steps{display:grid;gap:20px}
.step{padding:26px 28px;display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start}
.step .idx{
  font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,var(--cyan),var(--neon));
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1
}
.step h3{font-size:1.16rem}
.step p{margin-top:10px;color:var(--text-soft);font-size:14.8px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.faq-item{
  padding:0;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;font-size:16px;position:relative
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--neon));opacity:0;transition:opacity .3s ease
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary .chev{
  width:26px;height:26px;flex:0 0 auto;display:grid;place-items:center;border-radius:50%;
  background:rgba(47,107,255,.18);border:1px solid var(--line);transition:transform .3s ease
}
.faq-item[open] summary .chev{transform:rotate(180deg)}
.faq-item p{padding:0 26px 24px 26px;color:var(--text-soft);font-size:15px;line-height:1.8}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;margin-top:44px}
.contact-form{padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info-card{padding:32px;display:flex;flex-direction:column;gap:20px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ico{
  width:42px;height:42px;border-radius:14px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(47,107,255,.16);border:1px solid var(--line)
}
.info-item strong{display:block;font-size:15.5px}
.info-item span{font-size:14px;color:var(--text-soft)}
.form-hint{font-size:13px;color:var(--text-dim);margin-top:16px}

/* ============ 页脚 ============ */
.site-footer{margin-top:20px;border-top:1px solid rgba(120,170,255,.16);background:rgba(4,8,18,.9);position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,107,255,.9),rgba(124,92,255,.9),transparent)
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:70px 0 44px}
.footer-brand p{margin-top:16px;color:var(--text-soft);font-size:14.4px;max-width:330px}
.footer-col h4{font-size:14.5px;color:#DCE7FB;letter-spacing:.04em}
.footer-col ul{margin-top:18px;display:grid;gap:11px}
.footer-col a{font-size:14.2px;color:var(--text-soft)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);padding:22px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.4px;color:var(--text-dim)
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav{display:none}
  .menu-btn{display:grid}
  .dock-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .svc-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:none}
  .stat{padding:24px 18px}
  .news-wrap{grid-template-columns:1fr}
  .news-all{grid-template-columns:repeat(2,1fr)}
  .plan-wrap{grid-template-columns:1fr;gap:32px}
  .plan-sticky{position:static}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container,.container-wide{padding:0 20px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero{padding:64px 0 60px}
  .faq-grid{grid-template-columns:1fr}
  .news-all{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px}
  .case-scroll{grid-auto-columns:minmax(272px,86%)}
}
@media (max-width:520px){
  body{font-size:16px}
  .dock{padding:9px 10px 9px 14px}
  .brand-text{font-size:14.5px}
  .brand-mark{width:34px;height:34px}
  .stats{grid-template-columns:1fr}
  .stat{border-left:none;border-top:1px solid rgba(255,255,255,.08)}
  .stat:first-child{border-top:none}
  .footer-grid{grid-template-columns:1fr}
  .news-mini{grid-template-columns:1fr}
  .news-mini img{height:150px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#050A16;
  --bg-deep:#070E1C;
  --panel:#0C1628;
  --glass:rgba(13,25,45,.62);
  --glass-strong:rgba(10,20,38,.84);
  --line:rgba(120,170,255,.18);
  --line-strong:rgba(120,170,255,.34);
  --primary:#2F6BFF;
  --cyan:#21D4FD;
  --violet:#7C5CFF;
  --success:#32D583;
  --warn:#F59E0B;
  --text:#E9F0FF;
  --text-soft:#C4D3EC;
  --muted:#8FA4C4;
  --r-card:22px;
  --r-btn:999px;
  --r-img:18px;
  --shadow-card:0 24px 80px rgba(0,0,0,.45);
  --shadow-glow:0 18px 50px rgba(47,107,255,.42);
  --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;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,170,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -6%,rgba(47,107,255,.26),transparent 62%),
    radial-gradient(820px 520px at 94% 4%,rgba(124,92,255,.18),transparent 64%);
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:#fff}
p{margin:0}
ul,ol{margin:0}
.skip-link{position:absolute;left:16px;top:-70px;z-index:200;background:var(--primary);color:#fff;padding:10px 18px;border-radius:12px;text-decoration:none;transition:top .25s var(--ease)}
.skip-link:focus{top:16px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:2}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:18px 0 0}
.dock{
  width:min(1120px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:10px 14px 10px 18px;border-radius:999px;
  background:rgba(10,20,38,.76);
  border:1px solid rgba(120,170,255,.2);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 18px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--primary) 62%,var(--violet));
  box-shadow:0 10px 26px rgba(47,107,255,.5);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-text span{color:var(--cyan)}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:14.5px;color:#A9BEDD;text-decoration:none;
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(47,107,255,.16)}
.nav-link.active{color:#fff;background:linear-gradient(120deg,rgba(47,107,255,.36),rgba(33,212,253,.22));box-shadow:inset 0 0 0 1px rgba(120,170,255,.4),0 0 22px rgba(47,107,255,.32)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;cursor:pointer;
  background:rgba(13,25,45,.7);border:1px solid var(--line);color:#BFD4F5;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none;width:42px;height:42px;border-radius:999px;cursor:pointer;background:rgba(13,25,45,.72);border:1px solid var(--line);color:#DCE8FF;align-items:center;justify-content:center}
.menu-btn svg{width:20px;height:20px}
.mobile-panel{
  display:none;position:absolute;left:50%;top:calc(100% + 12px);
  width:min(560px,calc(100% - 32px));
  transform:translateX(-50%) translateY(-12px);
  opacity:0;visibility:hidden;
  background:rgba(8,16,32,.95);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--line);border-radius:26px;padding:16px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:14px;text-decoration:none;
  color:#C6D6F0;font-size:15.5px;
}
.mobile-panel a.m-link:hover{background:rgba(47,107,255,.16);color:#fff}
.mobile-panel.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--cyan));color:#04101F;box-shadow:0 16px 40px rgba(47,107,255,.45)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 22px 54px rgba(47,107,255,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(13,25,45,.62);border-color:rgba(120,170,255,.3);color:#DCE8FF;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(33,212,253,.3),0 16px 40px rgba(33,212,253,.16)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-sm{padding:9px 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.3px;border:1px solid transparent}
.badge-cyan{background:rgba(33,212,253,.14);color:#8FE8FF;border-color:rgba(33,212,253,.36)}
.badge-violet{background:rgba(124,92,255,.16);color:#C9BFFF;border-color:rgba(124,92,255,.36)}
.badge-success{background:rgba(50,213,131,.14);color:#88E9B8;border-color:rgba(50,213,131,.34)}
.badge-warn{background:rgba(245,158,11,.14);color:#FBD08A;border-color:rgba(245,158,11,.34)}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;margin-top:14px;padding:56px 0 68px;
  background-image:
    linear-gradient(180deg,rgba(5,10,22,.6),rgba(5,10,22,.94)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-top:1px solid rgba(120,170,255,.12);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 320px at 12% 20%,rgba(47,107,255,.28),transparent 68%);
}
.hero-inner{max-width:900px;position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:fit-content;
  font-size:13.5px;color:var(--muted);padding:8px 18px;border-radius:999px;
  background:rgba(13,25,45,.6);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.breadcrumb a{color:#BFD4F5;text-decoration:none}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{opacity:.4}
.breadcrumb .current{color:#93A9C9}
.article-title{
  font-size:clamp(1.95rem,4vw,2.9rem);font-weight:800;line-height:1.22;
  letter-spacing:-.4px;margin:22px 0 20px;color:#fff;text-wrap:balance;
}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{width:16px;height:16px;opacity:.75}

/* ---------- 正文区 ---------- */
.section{padding:76px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,820px) 320px;gap:48px;align-items:start;justify-content:space-between}
.article-main{min-width:0}
.article-cover{margin:0 0 34px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:#0A1striped}
.article-cover{background:#0A1426}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-content{
  font-size:17px;line-height:1.85;color:var(--text-soft);
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:38px 40px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  word-break:break-word;
}
.article-content p{margin:0 0 22px}
.article-content h2{
  position:relative;font-size:clamp(1.4rem,2.3vw,1.85rem);line-height:1.32;
  margin:46px 0 18px;padding-left:18px;color:#fff;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.3em;width:5px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--primary));
  box-shadow:0 0 18px rgba(33,212,253,.6);
}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:1.2rem;margin:32px 0 14px;color:#fff}
.article-content h4{font-size:1.05rem;margin:26px 0 12px;color:#E3EDFF}
.article-content a{color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(33,212,253,.5)}
.article-content a:hover{color:#fff;border-bottom-color:#fff}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:24px}
.article-content li{margin:9px 0}
.article-content li::marker{color:var(--cyan)}
.article-content blockquote{
  margin:26px 0;padding:18px 24px;border-left:3px solid var(--cyan);
  background:rgba(13,25,45,.62);border-radius:0 16px 16px 0;color:#D8E5FF;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{max-width:100%;height:auto;border-radius:var(--r-img);margin:22px 0;box-shadow:var(--shadow-card)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-content th{background:rgba(47,107,255,.16);color:#fff}
.article-content pre{background:var(--bg-deep);border:1px solid var(--line);border-radius:16px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:rgba(47,107,255,.16);padding:2px 6px;border-radius:6px;color:#B9DBFF;font-size:.92em}
.article-content pre code{background:none;padding:0;color:#C6DCFF}
.article-content hr{border:none;height:1px;margin:38px 0;background:linear-gradient(90deg,transparent,rgba(120,170,255,.45),transparent)}

.empty-state{
  text-align:center;padding:64px 32px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 22px;border-radius:20px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.3),rgba(124,92,255,.24));
  border:1px solid var(--line-strong);
}
.empty-icon svg{width:28px;height:28px;color:#9FD9FF}
.empty-state h2{font-size:1.5rem;margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 26px;font-size:15.5px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{font-size:15.5px;margin-bottom:14px;letter-spacing:.2px}
.side-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:14px;text-decoration:none;color:#C2D4EF;font-size:14.5px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.side-list a:hover{background:rgba(47,107,255,.16);color:#fff;transform:translateX(3px)}
.side-list a svg{width:15px;height:15px;opacity:.6;flex:0 0 auto}
.side-note{font-size:14px;color:var(--muted);line-height:1.8}
.side-note strong{color:#DCE8FF}
.side-cover{border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 通用标题 ---------- */
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.6rem,2.8vw,2.25rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1.6px;
  text-transform:uppercase;color:#8FE8FF;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--violet))}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.check-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(33,212,253,.16)}
.check-ico{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(33,212,253,.22),rgba(47,107,255,.2));
  border:1px solid var(--line-strong);
}
.check-ico svg{width:22px;height:22px;color:#9FE4FF}
.check-card h3{font-size:1.08rem;margin-bottom:10px}
.check-card p{color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rec-card{
  display:flex;flex-direction:column;text-decoration:none;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.rec-card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.55);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(47,107,255,.28)}
.rec-thumb{overflow:hidden;background:#0A1426}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:1.05rem;line-height:1.5}
.rec-card:hover .rec-body h3{color:var(--cyan)}
.rec-body p{color:var(--muted);font-size:14.5px;flex:1}
.rec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#8FE8FF;font-weight:600}
.rec-more svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.rec-card:hover .rec-more svg{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:30px;padding:56px 48px;
  background-image:linear-gradient(120deg,rgba(9,18,34,.92),rgba(12,22,40,.78)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
}
.cta-panel::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(600px 320px at 88% 20%,rgba(124,92,255,.3),transparent 68%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(1.6rem,2.8vw,2.2rem);margin-bottom:14px}
.cta-inner p{color:#BCCEE9;font-size:15.5px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:90px;padding:66px 0 28px;
  background:linear-gradient(180deg,rgba(8,16,32,.62),rgba(5,10,22,.98));
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,107,255,.85),rgba(33,212,253,.75),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:6px}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;font-weight:600}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--muted);text-decoration:none;font-size:14.5px;transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  color:var(--muted);font-size:13.5px;font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:38px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav{display:none}
  .menu-btn{display:flex}
  .mobile-panel{display:block}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .article-side{position:static}
  .article-hero{padding:44px 0 54px}
  .section{padding:60px 0}
  .check-grid{grid-template-columns:1fr 1fr}
  .rec-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .dock{padding:9px 10px 9px 12px;gap:10px}
  .dock-actions .btn{display:none}
  .brand-text{font-size:15px}
  .article-content{padding:26px 20px;font-size:16px;border-radius:20px}
  .article-title{font-size:1.7rem}
  .section{padding:52px 0}
  .cta-panel{padding:38px 24px;border-radius:24px}
  .check-grid,.rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .article-hero{padding:34px 0 44px}
  .breadcrumb{font-size:12.5px;padding:7px 14px}
  .article-title{font-size:1.5rem}
  .btn{padding:12px 20px;font-size:14.5px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#050A16;
  --panel:#0C1628;
  --glass:rgba(13,25,45,.62);
  --glass-2:rgba(13,25,45,.78);
  --line:rgba(120,170,255,.18);
  --line-2:rgba(120,170,255,.34);
  --primary:#2F6BFF;
  --cyan:#21D4FD;
  --violet:#7C5CFF;
  --success:#32D583;
  --warn:#F59E0B;
  --text:#E9F1FF;
  --muted:#94A8CB;
  --muted-2:#7C90B4;
  --radius:22px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 24px 80px rgba(0,0,0,.45);
  --shadow-glow:0 14px 38px rgba(47,107,255,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:10px;}
::selection{background:rgba(47,107,255,.5);color:#fff;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{max-width:1280px;}}

/* ============ 顶部 Dock 导航 ============ */
.site-header{
  position:sticky;
  top:16px;
  z-index:80;
  padding:0 0 6px;
}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(10,19,36,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:0 18px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--cyan),var(--primary));
  box-shadow:0 8px 24px rgba(33,212,253,.36);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.4px;line-height:1.1;white-space:nowrap;}
.brand-text span{color:var(--cyan);}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  color:var(--muted);
  transition:color .25s ease,background .25s ease,box-shadow .25s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(47,107,255,.16);}
.nav-link.active{
  color:#fff;
  background:linear-gradient(90deg,rgba(47,107,255,.38),rgba(33,212,253,.16));
  box-shadow:inset 0 0 0 1px rgba(120,170,255,.35);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:18px;height:3px;
  border-radius:3px;
  transform:translateX(-50%);
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  box-shadow:0 0 10px rgba(33,212,253,.9);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  transition:.25s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--line-2);background:rgba(47,107,255,.18);}
.icon-btn svg{width:18px;height:18px;}
.menu-btn{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:#fff;
}
.menu-btn svg{width:20px;height:20px;}

.mobile-panel{
  position:fixed;
  inset:0;
  z-index:90;
  padding:96px 22px 34px;
  background:rgba(5,10,22,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  opacity:0;
  transform:translateY(-16px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mobile-panel.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-panel .m-link{
  display:flex;align-items:center;
  height:48px;
  padding:0 18px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text);
  font-size:15.5px;
}
.mobile-panel .m-link.active{
  border-color:var(--line-2);
  background:linear-gradient(90deg,rgba(47,107,255,.34),rgba(33,212,253,.12));
}
.mobile-panel .m-cta{margin-top:auto;}
.m-close{
  position:absolute;
  top:26px;right:22px;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-pill);
  font-weight:700;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--cyan));
  color:#04101F;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 48px rgba(47,107,255,.62);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(13,25,45,.6);
  border:1px solid var(--line-2);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--cyan);
  color:#fff;
  box-shadow:0 14px 36px rgba(33,212,253,.22);
}
.btn-ghost:active{transform:scale(.98);}
.btn-md{padding:13px 28px;font-size:15.5px;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-lg{padding:16px 34px;font-size:16.5px;}
.btn-block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  margin-top:-72px;
  padding:150px 0 76px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 460px at 10% 6%,rgba(47,107,255,.34),transparent 62%),
    radial-gradient(760px 420px at 90% 10%,rgba(124,92,255,.26),transparent 60%),
    linear-gradient(180deg,rgba(5,10,22,.68),rgba(5,10,22,.95)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(120,170,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 10%,transparent 78%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-2);
  background:rgba(13,25,45,.6);
  font-size:13px;
  color:var(--cyan);
  letter-spacing:.6px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px var(--cyan);
}
.hero h1{
  margin:22px 0 18px;
  font-size:clamp(2.1rem,4.4vw,3.3rem);
  line-height:1.16;
  font-weight:800;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:560px;
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:32px 0 26px;
}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(13,25,45,.5);
  font-size:13px;
  color:var(--muted);
}
.trust-tag i{
  width:6px;height:6px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 9px rgba(50,213,131,.9);
}

/* 入口面板 */
.entry-card{
  position:relative;
  padding:28px;
  border-radius:var(--radius);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.entry-card::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.08),transparent 42%);
}
.entry-head{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  margin-bottom:20px;
}
.entry-head .pulse{
  width:9px;height:9px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 14px var(--cyan);
}
.entry-head small{
  margin-left:auto;
  font-size:12.5px;
  font-weight:400;
  color:var(--muted-2);
}
.field{display:block;margin-bottom:16px;position:relative;}
.field > span{
  display:block;
  margin-bottom:7px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.3px;
}
.field input{
  width:100%;
  padding:13px 16px;
  border-radius:var(--radius-sm);
  background:rgba(5,10,22,.75);
  border:1px solid var(--line);
  color:var(--text);
  font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder{color:#63769A;}
.field input:hover{border-color:var(--line-2);}
.field input:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(33,212,253,.18);
  background:rgba(5,10,22,.92);
}
.entry-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:4px 0 20px;
  font-size:13.5px;
  color:var(--muted);
}
.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer;}
.check input{
  width:16px;height:16px;
  accent-color:var(--primary);
  border-radius:4px;
}
.mini-link{color:var(--cyan);}
.mini-link:hover{text-decoration:underline;}
.entry-tip{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted-2);
}

/* ============ 通用板块 ============ */
.section{padding:74px 0;}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-head{max-width:660px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.65rem,2.8vw,2.35rem);
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  border:1px solid var(--line-2);
  background:rgba(47,107,255,.14);
  color:var(--cyan);
  margin-bottom:16px;
}

/* 检查卡片网格 */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
@media(min-width:1024px){.check-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
@media(max-width:560px){.check-grid{grid-template-columns:1fr;}}
.check-card{
  position:relative;
  padding:24px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  overflow:hidden;
}
.check-card::before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.08),transparent 40%);
}
.check-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:0 20px 56px rgba(0,0,0,.48);
}
.icon-badge{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:13px;
  margin-bottom:16px;
  background:linear-gradient(135deg,rgba(47,107,255,.35),rgba(33,212,253,.16));
  border:1px solid rgba(120,170,255,.28);
  color:var(--cyan);
}
.icon-badge svg{width:21px;height:21px;}
.check-card h3{font-size:16.5px;margin-bottom:9px;}
.check-card p{font-size:14.5px;color:var(--muted);line-height:1.78;}

/* 时间线 */
.timeline-wrap{max-width:900px;}
.step{
  position:relative;
  display:grid;
  grid-template-columns:84px 1fr;
  gap:22px;
  padding:26px 26px 26px 22px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.step + .step{margin-top:20px;}
.step + .step::before{
  content:"";
  position:absolute;
  left:56px;top:-20px;
  width:2px;height:20px;
  background:linear-gradient(180deg,rgba(33,212,253,.65),rgba(47,107,255,.08));
}
.step:hover{
  transform:translateX(5px);
  border-color:var(--line-2);
  box-shadow:0 20px 56px rgba(0,0,0,.45);
}
.step-num{
  font-size:2.1rem;
  font-weight:800;
  line-height:1;
  letter-spacing:-1px;
  background:linear-gradient(140deg,var(--cyan),var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
}
.step-num small{
  display:block;
  margin-top:8px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.5px;
  color:var(--muted-2);
  -webkit-text-fill-color:var(--muted-2);
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.step-tags span{
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  color:var(--muted);
  border:1px solid var(--line);
  background:rgba(5,10,22,.5);
}
@media(max-width:640px){
  .step{grid-template-columns:1fr;gap:12px;padding:22px;}
  .step + .step::before{left:34px;}
}

/* 设备入口图文 */
.device-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
@media(max-width:900px){.device-grid{grid-template-columns:1fr;gap:28px;}}
.device-figure{
  position:relative;
  margin:0;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#0A1424;
}
.device-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .6s ease;
}
.device-figure:hover img{transform:scale(1.04);}
.device-figure figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:34px 22px 18px;
  font-size:13.5px;
  color:#D5E2FA;
  background:linear-gradient(180deg,transparent,rgba(5,10,22,.92));
}
.device-list li{
  display:flex;
  gap:14px;
  padding:18px 0;
  border-bottom:1px dashed rgba(120,170,255,.16);
}
.device-list li:last-child{border-bottom:0;}
.device-list .num{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  font-size:13.5px;
  font-weight:700;
  color:var(--cyan);
  background:rgba(33,212,253,.1);
  border:1px solid rgba(33,212,253,.3);
  font-variant-numeric:tabular-nums;
}
.device-list h3{font-size:16.5px;margin-bottom:6px;}
.device-list p{font-size:14.5px;color:var(--muted);line-height:1.78;}

/* FAQ */
.faq-list{max-width:880px;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--radius-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item[open]{
  border-color:var(--line-2);
  box-shadow:0 20px 56px rgba(0,0,0,.42);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:19px 24px;
  font-size:16.5px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  flex:0 0 auto;
  width:10px;height:10px;
  border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);
  transition:transform .3s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-body{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  border-left:3px solid transparent;
}
.faq-item[open] .faq-body{
  border-left:3px solid var(--cyan);
  background:linear-gradient(90deg,rgba(33,212,253,.06),transparent 60%);
}

/* CTA */
.cta-card{
  position:relative;
  padding:52px 34px;
  border-radius:26px;
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(600px 300px at 20% 0%,rgba(47,107,255,.32),transparent 65%),
    radial-gradient(520px 280px at 85% 100%,rgba(124,92,255,.26),transparent 62%),
    var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.cta-card h2{font-size:clamp(1.6rem,2.7vw,2.2rem);margin-bottom:14px;}
.cta-card p{
  max-width:640px;
  margin:0 auto;
  color:var(--muted);
  font-size:16px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:30px;
}

/* 页脚 */
.site-footer{
  margin-top:20px;
  padding:64px 0 30px;
  background:#04080F;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(47,107,255,.6),rgba(33,212,253,.35),transparent) 1;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,107,255,.7),rgba(33,212,253,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:38px;
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:#fff;
  letter-spacing:.4px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{
  font-size:14px;
  color:var(--muted);
  transition:color .22s ease,padding-left .22s ease;
}
.footer-col ul a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:var(--muted-2);
}

/* 响应式收口 */
@media(max-width:1023px){
  .nav{display:none;}
  .dock-actions .btn-primary{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero{padding:132px 0 64px;}
}
@media(max-width:640px){
  .dock{gap:10px;padding:9px 10px 9px 14px;}
  .brand-text{font-size:14.5px;}
  .brand-text span{display:inline;}
  .hero h1{margin:18px 0 14px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{width:100%;}
  .entry-card{padding:22px;}
  .cta-card{padding:40px 22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
    --brand:#2F6BFF;
    --cyan:#21D4FD;
    --violet:#7C5CFF;
    --ok:#32D583;
    --warn:#F59E0B;
    --bg:#050A16;
    --panel:#0C1628;
    --glass:rgba(13,25,45,.62);
    --glass-soft:rgba(13,25,45,.42);
    --border:rgba(120,170,255,.18);
    --border-strong:rgba(120,170,255,.38);
    --text:#E8F0FF;
    --muted:#93A6C4;
    --muted-2:#6F84A6;
    --radius:22px;
    --radius-sm:14px;
    --radius-pill:999px;
    --shadow:0 24px 80px rgba(0,0,0,.45);
    --glow:0 14px 40px rgba(47,107,255,.45);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:17px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    background-image:
      radial-gradient(900px 600px at 12% -5%, rgba(47,107,255,.20), transparent 60%),
      radial-gradient(720px 520px at 96% 8%, rgba(124,92,255,.16), transparent 62%),
      linear-gradient(rgba(120,170,255,.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120,170,255,.045) 1px, transparent 1px);
    background-size:auto,auto,52px 52px,52px 52px;
    pointer-events:none;
    z-index:0;
  }
  img{display:block;max-width:100%;height:auto;border-radius:18px}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:800;letter-spacing:.01em}
  p{margin:0}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
  .tnum{font-variant-numeric:tabular-nums}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
    position:relative;
    z-index:1;
  }

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:16px;
    z-index:60;
    padding:0 16px;
  }
  .dock{
    display:flex;
    align-items:center;
    gap:18px;
    width:min(1120px,100%);
    margin:0 auto;
    padding:10px 12px 10px 18px;
    border-radius:var(--radius-pill);
    background:rgba(10,20,38,.72);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--border-strong);
    box-shadow:0 18px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.08);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:17px;
    letter-spacing:.01em;
    white-space:nowrap;
  }
  .brand-mark{
    width:36px;height:36px;
    display:grid;place-items:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--cyan),var(--brand) 55%,var(--violet));
    box-shadow:0 10px 26px rgba(47,107,255,.5);
    flex:none;
  }
  .brand-mark svg{width:19px;height:19px}
  .brand-text span{color:var(--cyan);margin-left:2px}
  .nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:9px 15px;
    border-radius:var(--radius-pill);
    color:var(--muted);
    font-size:15px;
    font-weight:500;
    transition:color .22s ease, background .22s ease;
  }
  .nav-link:hover{color:#fff;background:rgba(120,170,255,.12)}
  .nav-link.active{
    color:#fff;
    background:linear-gradient(135deg, rgba(47,107,255,.32), rgba(33,212,253,.18));
    box-shadow:inset 0 0 0 1px rgba(120,170,255,.42), 0 8px 24px rgba(47,107,255,.28);
  }
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:50%;bottom:-2px;
    transform:translateX(-50%);
    width:22px;height:3px;
    border-radius:3px;
    background:linear-gradient(90deg,var(--cyan),var(--violet));
    box-shadow:0 0 12px rgba(33,212,253,.9);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
  .icon-btn{
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:var(--radius-pill);
    border:1px solid var(--border);
    background:rgba(255,255,255,.04);
    color:var(--muted);
    transition:.22s ease;
  }
  .icon-btn:hover{color:#fff;border-color:var(--border-strong);background:rgba(120,170,255,.14)}
  .menu-btn{display:none}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--radius-pill);
    font-size:15px;
    font-weight:700;
    letter-spacing:.02em;
    transition:transform .2s ease, box-shadow .25s ease, filter .2s ease, background .25s ease, border-color .25s ease;
    will-change:transform;
  }
  .btn-primary{
    color:#04101F;
    background:linear-gradient(120deg,var(--cyan),var(--brand) 62%,var(--violet));
    box-shadow:var(--glow);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 52px rgba(47,107,255,.6)}
  .btn-primary:active{transform:translateY(0) scale(.98)}
  .btn-ghost{
    color:var(--text);
    background:var(--glass-soft);
    border:1px solid var(--border-strong);
    backdrop-filter:blur(12px);
  }
  .btn-ghost:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 14px 36px rgba(33,212,253,.24)}
  .btn-ghost:active{transform:translateY(0) scale(.98)}
  .btn-sm{padding:9px 18px;font-size:14px}

  .mobile-panel{
    position:fixed;
    inset:0;
    z-index:70;
    padding:88px 22px 26px;
    background:rgba(5,10,22,.94);
    backdrop-filter:blur(20px);
    display:flex;
    flex-direction:column;
    gap:6px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-14px);
    transition:opacity .28s ease, transform .28s ease, visibility .28s ease;
  }
  .mobile-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
  .mobile-panel a{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 18px;
    border-radius:var(--radius-sm);
    color:var(--muted);
    font-weight:500;
    border:1px solid transparent;
  }
  .mobile-panel a.active,
  .mobile-panel a:hover{
    color:#fff;
    border-color:var(--border-strong);
    background:rgba(120,170,255,.12);
  }
  .mobile-panel .btn{margin-top:auto}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    margin-top:26px;
    border-radius:32px;
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    min-height:46vh;
    display:flex;
    align-items:center;
    padding:64px 0;
  }
  .hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
  }
  .hero-bg::after{
    content:"";
    position:absolute;
    inset:0;
    background:
      radial-gradient(700px 420px at 18% 22%, rgba(47,107,255,.42), transparent 65%),
      radial-gradient(620px 380px at 88% 78%, rgba(124,92,255,.34), transparent 62%),
      linear-gradient(105deg, rgba(5,10,22,.94) 12%, rgba(5,10,22,.72) 52%, rgba(5,10,22,.86) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:760px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:7px 16px;
    border-radius:var(--radius-pill);
    border:1px solid var(--border-strong);
    background:rgba(33,212,253,.10);
    color:var(--cyan);
    font-size:13px;
    font-weight:600;
    letter-spacing:.08em;
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok)}
  .hero h1{
    font-size:clamp(2rem,4vw,3.2rem);
    margin:22px 0 18px;
    letter-spacing:.005em;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(100deg,var(--cyan),var(--violet));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-sub{color:#C3D3EC;font-size:18px;max-width:640px;line-height:1.85}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .hero-tags span{
    padding:7px 15px;
    border-radius:var(--radius-pill);
    font-size:13px;
    color:var(--muted);
    border:1px solid var(--border);
    background:rgba(255,255,255,.03);
  }
  .crumb{
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-top:24px;
    padding:8px 16px;
    border-radius:var(--radius-pill);
    background:var(--glass-soft);
    border:1px solid var(--border);
    font-size:13.5px;
    color:var(--muted);
  }
  .crumb .sep{color:var(--muted-2)}
  .crumb strong{color:#fff;font-weight:600}

  /* ============ 通用板块 ============ */
  .section{padding:80px 0}
  .section-tight{padding:56px 0 24px}
  .sec-head{max-width:760px;margin-bottom:38px}
  .sec-head h2{font-size:clamp(1.6rem,2.6vw,2.3rem);margin-bottom:14px}
  .sec-head p{color:var(--muted);font-size:16.5px}
  .sec-label{
    display:inline-block;
    margin-bottom:14px;
    font-size:13px;
    letter-spacing:.16em;
    color:var(--cyan);
    font-weight:700;
  }

  .glass{
    background:var(--glass);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  }

  /* ============ 筛选徽章 ============ */
  .chips{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:34px;
  }
  .chip{
    padding:9px 18px;
    border-radius:var(--radius-pill);
    font-size:14px;
    font-weight:500;
    color:var(--muted);
    border:1px solid var(--border);
    background:rgba(255,255,255,.035);
    transition:.22s ease;
  }
  .chip:hover{color:#fff;border-color:var(--border-strong);background:rgba(120,170,255,.14)}
  .chip.is-active{
    color:#04101F;
    background:linear-gradient(120deg,var(--cyan),var(--brand));
    border-color:transparent;
    box-shadow:0 10px 30px rgba(47,107,255,.42);
  }

  /* ============ 精选 1 大 2 小 ============ */
  .spotlight{
    display:grid;
    grid-template-columns:1.35fr 1fr;
    grid-template-rows:auto auto;
    gap:26px;
  }
  .spot-main{
    grid-row:span 2;
    display:flex;
    flex-direction:column;
    overflow:hidden;
    border-radius:var(--radius);
    background:var(--glass);
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    transition:.28s ease;
  }
  .spot-main:hover,.spot-side:hover{border-color:var(--border-strong);transform:translateY(-4px)}
  .spot-main:hover .spot-title,.spot-side:hover .spot-title{color:var(--cyan)}
  .spot-main img{width:100%;height:300px;object-fit:cover;border-radius:0;background:#0A1424}
  .spot-body{padding:26px 28px 30px}
  .spot-title{font-size:22px;line-height:1.4;transition:color .25s ease}
  .spot-body p{color:var(--muted);margin-top:12px;font-size:15.5px}
  .spot-side{
    display:grid;
    grid-template-columns:130px 1fr;
    gap:18px;
    padding:14px;
    border-radius:var(--radius);
    background:var(--glass);
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    transition:.28s ease;
    align-items:center;
  }
  .spot-side img{width:130px;height:104px;object-fit:cover;background:#0A1424}
  .spot-side .spot-title{font-size:17px}
  .spot-side p{color:var(--muted);font-size:14px;margin-top:8px}

  .meta-row{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:12px;
    margin-bottom:14px;
    font-size:13px;
    color:var(--muted-2);
  }
  .badge{
    display:inline-flex;
    align-items:center;
    padding:5px 12px;
    border-radius:var(--radius-pill);
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .badge-blue{color:#BBD3FF;background:rgba(47,107,255,.18);border:1px solid rgba(47,107,255,.4)}
  .badge-cyan{color:#B4F3FF;background:rgba(33,212,253,.14);border:1px solid rgba(33,212,253,.38)}
  .badge-violet{color:#D6CDFF;background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.4)}
  .badge-green{color:#B6F3D3;background:rgba(50,213,131,.14);border:1px solid rgba(50,213,131,.4)}
  .badge-amber{color:#FFE0AC;background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.42)}
  .time{font-variant-numeric:tabular-nums}

  /* ============ 资讯网格 ============ */
  .news-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
  }
  .news-card{
    display:flex;
    flex-direction:column;
    overflow:hidden;
    border-radius:var(--radius);
    background:var(--glass);
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  }
  .news-card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.6);box-shadow:0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(47,107,255,.25)}
  .news-card:hover .news-title{color:var(--cyan)}
  .news-card img{width:100%;height:186px;object-fit:cover;border-radius:0;background:#0A1424}
  .news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
  .news-title{font-size:18px;line-height:1.45;transition:color .25s ease}
  .news-body p{color:var(--muted);font-size:14.6px;margin-top:11px;flex:1}
  .news-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-top:18px;
    padding-top:16px;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:14px;
    color:var(--cyan);
    font-weight:600;
  }
  .news-foot .arrow{transition:transform .25s ease}
  .news-card:hover .news-foot .arrow{transform:translateX(5px)}

  .pager{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    margin-top:46px;
    flex-wrap:wrap;
  }
  .pager a,.pager span{
    min-width:44px;
    height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:0 16px;
    border-radius:var(--radius-sm);
    border:1px solid var(--border);
    background:rgba(255,255,255,.035);
    color:var(--muted);
    font-size:14.5px;
    transition:.22s ease;
  }
  .pager a:hover{color:#fff;border-color:var(--border-strong);background:rgba(120,170,255,.14)}
  .pager .current{
    color:#04101F;
    background:linear-gradient(120deg,var(--cyan),var(--brand));
    border-color:transparent;
    font-weight:700;
    box-shadow:0 10px 28px rgba(47,107,255,.4);
  }
  .pager .disabled{opacity:.42;cursor:not-allowed}

  /* ============ 节奏/看点条 ============ */
  .pulse{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
    border-radius:var(--radius);
    overflow:hidden;
    background:var(--glass);
    border:1px solid var(--border);
    box-shadow:var(--shadow);
  }
  .pulse-item{
    padding:28px 26px;
    border-right:1px solid rgba(255,255,255,.08);
  }
  .pulse-item:last-child{border-right:0}
  .pulse-num{
    font-size:clamp(1.9rem,2.6vw,2.5rem);
    font-weight:800;
    line-height:1.1;
    background:linear-gradient(120deg,#fff,var(--cyan));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    font-variant-numeric:tabular-nums;
  }
  .pulse-item span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted)}

  /* ============ FAQ ============ */
  .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .faq-item{
    border-radius:var(--radius-sm);
    background:var(--glass);
    border:1px solid var(--border);
    overflow:hidden;
    transition:border-color .25s ease, background .25s ease;
  }
  .faq-item[open]{border-color:var(--border-strong);background:rgba(16,30,54,.72)}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    padding:20px 48px 20px 22px;
    position:relative;
    font-size:16.5px;
    font-weight:600;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";
    position:absolute;
    right:22px;top:50%;
    width:9px;height:9px;
    border-right:2px solid var(--cyan);
    border-bottom:2px solid var(--cyan);
    transform:translateY(-70%) rotate(45deg);
    transition:transform .28s ease;
  }
  .faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
  .faq-item[open] summary::before{
    content:"";
    position:absolute;
    left:0;top:14px;bottom:14px;
    width:3px;
    border-radius:3px;
    background:linear-gradient(180deg,var(--cyan),var(--violet));
    box-shadow:0 0 14px rgba(33,212,253,.85);
  }
  .faq-item p{padding:0 24px 22px;color:var(--muted);font-size:15px}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-radius:28px;
    border:1px solid var(--border-strong);
    background:
      radial-gradient(600px 360px at 12% 10%, rgba(47,107,255,.35), transparent 60%),
      radial-gradient(520px 320px at 92% 90%, rgba(124,92,255,.32), transparent 62%),
      rgba(12,22,40,.85);
    box-shadow:var(--shadow);
    padding:52px 48px;
    display:grid;
    grid-template-columns:1.4fr 1fr;
    gap:36px;
    align-items:center;
  }
  .cta-band h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:14px}
  .cta-band p{color:#C3D3EC;font-size:16px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:80px;
    background:#040812;
    border-top:1px solid transparent;
    border-image:linear-gradient(90deg,rgba(47,107,255,0),rgba(33,212,253,.8),rgba(124,92,255,0)) 1;
    padding:64px 0 30px;
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-brand .brand{margin-bottom:18px}
  .footer-brand p{color:var(--muted);font-size:14.6px;max-width:380px}
  .footer-col h4{font-size:15px;margin-bottom:18px;color:#fff}
  .footer-col li{margin-bottom:11px}
  .footer-col a{color:var(--muted);font-size:14.5px;transition:color .2s ease}
  .footer-col a:hover{color:var(--cyan)}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    margin-top:46px;
    padding-top:24px;
    border-top:1px solid rgba(255,255,255,.08);
    color:var(--muted-2);
    font-size:13.5px;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .container{padding:0 24px}
    .nav{display:none}
    .menu-btn{display:grid}
    .dock{width:100%}
    .spotlight{grid-template-columns:1fr}
    .spot-main{grid-row:auto}
    .news-grid{grid-template-columns:repeat(2,1fr)}
    .pulse{grid-template-columns:repeat(2,1fr)}
    .pulse-item:nth-child(2){border-right:0}
    .pulse-item:nth-child(1),.pulse-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.08)}
    .faq-grid{grid-template-columns:1fr}
    .cta-band{grid-template-columns:1fr;padding:42px 32px}
    .cta-actions{justify-content:flex-start}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:768px){
    body{font-size:16px}
    .hero{padding:52px 0;border-radius:24px}
    .hero-sub{font-size:16.5px}
    .section{padding:62px 0}
    .news-grid{grid-template-columns:1fr}
    .spot-side{grid-template-columns:1fr}
    .spot-side img{width:100%;height:180px}
    .spot-main img{height:230px}
  }
  @media (max-width:520px){
    .container{padding:0 20px}
    .site-header{top:10px;padding:0 10px}
    .dock{padding:8px 10px 8px 12px;gap:10px}
    .brand{font-size:15px}
    .brand-mark{width:32px;height:32px;border-radius:10px}
    .dock-actions .btn{display:none}
    .hero-cta .btn{width:100%}
    .pulse{grid-template-columns:1fr}
    .pulse-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
    .pulse-item:last-child{border-bottom:0}
    .cta-band{padding:34px 22px;border-radius:22px}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column}
  }

/* roulang page: category2 */
:root{
  --bg:#050A16;
  --panel:#0C1628;
  --glass:rgba(13,25,45,.62);
  --line:rgba(120,170,255,.18);
  --line-strong:rgba(120,170,255,.36);
  --primary:#2F6BFF;
  --cyan:#21D4FD;
  --violet:#7C5CFF;
  --success:#32D583;
  --warn:#F59E0B;
  --text:#E9F1FF;
  --muted:#93A9CB;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 24px 80px rgba(0,0,0,.45);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(680px 420px at 92% 4%, rgba(124,92,255,.16), transparent 66%),
    radial-gradient(700px 500px at 50% 108%, rgba(33,212,253,.10), transparent 70%),
    var(--bg);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:640px){.container{padding:0 20px;}}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:sticky;top:0;z-index:80;padding:16px 16px 0;}
.dock{
  width:min(1120px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(10,20,38,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(120,170,255,.2);
  box-shadow:0 18px 60px rgba(0,0,0,.55);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2F6BFF,#21D4FD);
  box-shadow:0 8px 24px rgba(47,107,255,.45);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.02em;color:#fff;white-space:nowrap;}
.brand-text span{color:var(--cyan);font-weight:800;}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(120,170,255,.10);}
.nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(47,107,255,.34),rgba(33,212,253,.20));
  box-shadow:inset 0 0 0 1px rgba(120,170,255,.34),0 8px 22px rgba(47,107,255,.28);
}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#2F6BFF,#21D4FD);
  box-shadow:0 0 12px rgba(33,212,253,.85);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(120,170,255,.22);
  background:rgba(13,25,45,.6);
  color:var(--muted);
  transition:.22s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--cyan);box-shadow:0 0 18px rgba(33,212,253,.35);}
.icon-btn svg{width:17px;height:17px;}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;border:1px solid rgba(120,170,255,.22);background:rgba(13,25,45,.6);align-items:center;justify-content:center;color:#fff;}
.menu-btn svg{width:19px;height:19px;}
.mobile-panel{
  position:fixed;inset:0;z-index:90;
  background:rgba(5,10,22,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  display:flex;flex-direction:column;
  padding:24px 22px 32px;
  opacity:0;pointer-events:none;transform:translateY(-10px);
  transition:opacity .28s ease,transform .28s ease;
}
.mobile-panel.open{opacity:1;pointer-events:auto;transform:translateY(0);}
.mobile-panel .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.mobile-panel a.panel-link{
  display:flex;align-items:center;height:48px;
  padding:0 16px;border-radius:14px;
  font-size:16px;font-weight:500;color:#D6E3FB;
  border:1px solid transparent;
}
.mobile-panel a.panel-link.active{background:rgba(47,107,255,.18);border-color:rgba(120,170,255,.32);color:#fff;}
.mobile-panel .panel-cta{margin-top:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#2F6BFF,#21D4FD);
  color:#04101F;
  box-shadow:0 12px 34px rgba(47,107,255,.45);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 46px rgba(47,107,255,.62);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(13,25,45,.6);
  border-color:rgba(120,170,255,.34);
  color:#E9F1FF;
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 12px 34px rgba(33,212,253,.22);}
.btn-ghost:active{transform:scale(.98);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
@media (min-width:768px){.section{padding:112px 0;}}
@media (min-width:1024px){.section{padding:128px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(12,22,40,0) 0%,rgba(12,22,40,.72) 22%,rgba(12,22,40,.72) 78%,rgba(12,22,40,0) 100%);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan));}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:800;line-height:1.24;letter-spacing:-.01em;}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16.5px;line-height:1.85;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,107,255,.14);
  border:1px solid rgba(120,170,255,.26);
  color:#BFD6FF;
}
.tag-cyan{background:rgba(33,212,253,.13);border-color:rgba(33,212,253,.32);color:#9EEBFD;}
.tag-warn{background:rgba(245,158,11,.13);border-color:rgba(245,158,11,.34);color:#FBD08A;}

/* ---------- Hero ---------- */
.hero{padding:36px 0 84px;}
.hero-panel{
  position:relative;overflow:hidden;
  border-radius:28px;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:56px 52px 52px;
  min-height:46vh;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 8% 10%, rgba(47,107,255,.42), transparent 66%),
    radial-gradient(560px 340px at 92% 88%, rgba(124,92,255,.34), transparent 68%),
    linear-gradient(115deg, rgba(5,10,22,.94) 0%, rgba(5,10,22,.82) 46%, rgba(5,10,22,.62) 100%);
}
.hero-panel::after{
  content:"";position:absolute;inset:0;opacity:.32;
  background-image:linear-gradient(rgba(120,170,255,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.10) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 30% 30%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 30%, #000 0%, transparent 78%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(2.2rem,4.6vw,3.4rem);
  font-weight:800;line-height:1.18;letter-spacing:-.015em;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#21D4FD,#7C5CFF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17.5px;line-height:1.85;color:#C6D6F2;max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-badges .tag{background:rgba(13,25,45,.66);backdrop-filter:blur(10px);}

.check-card{
  background:rgba(12,22,40,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(120,170,255,.24);
  border-radius:22px;
  padding:26px 24px;
  box-shadow:0 24px 70px rgba(0,0,0,.5);
}
.check-card h3{font-size:1.1rem;font-weight:700;margin-bottom:6px;}
.check-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:20px;line-height:1.7;}
.check-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(120,170,255,.14);}
.check-row:last-of-type{border-bottom:none;}
.check-row .dot{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(50,213,131,.14);border:1px solid rgba(50,213,131,.34);
}
.check-row .dot svg{width:14px;height:14px;stroke:#32D583;}
.check-row .dot.warn{background:rgba(245,158,11,.13);border-color:rgba(245,158,11,.34);}
.check-row .dot.warn svg{stroke:#F59E0B;}
.check-row .label{font-size:14.5px;color:#D3E1FA;flex:1;}
.check-row .state{font-size:12.5px;font-weight:600;color:#9EEBFD;}
.bar{height:6px;border-radius:999px;background:rgba(120,170,255,.14);overflow:hidden;margin-top:20px;}
.bar span{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,#2F6BFF,#21D4FD);box-shadow:0 0 16px rgba(33,212,253,.6);}
.bar-note{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:9px;}

/* ---------- 清单双列 ---------- */
.lists-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.list-card{
  position:relative;overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 28px;
  box-shadow:var(--shadow);
  transition:border-color .25s ease,transform .25s ease;
}
.list-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.30),transparent);
}
.list-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.list-card h3{font-size:1.25rem;font-weight:700;margin-bottom:8px;}
.list-card .list-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.list-item{display:flex;gap:14px;padding:15px 0;border-top:1px solid rgba(120,170,255,.10);}
.list-item:first-of-type{border-top:none;}
.list-item .idx{
  width:30px;height:30px;flex-shrink:0;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;color:#9EEBFD;
  background:rgba(33,212,253,.10);border:1px solid rgba(33,212,253,.28);
}
.list-item h4{font-size:15.5px;font-weight:600;margin-bottom:4px;color:#EAF2FF;}
.list-item p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- 风险卡 ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.risk-card{
  position:relative;
  padding:26px 26px 24px 30px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(245,158,11,.07),rgba(13,25,45,.66));
  border:1px solid rgba(245,158,11,.20);
  box-shadow:0 20px 60px rgba(0,0,0,.38);
  transition:border-color .25s ease,transform .25s ease;
}
.risk-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#F59E0B,rgba(245,158,11,.15));
  box-shadow:0 0 16px rgba(245,158,11,.5);
}
.risk-card:hover{border-color:rgba(245,158,11,.42);transform:translateY(-3px);}
.risk-card h3{font-size:1.08rem;font-weight:700;margin:14px 0 8px;}
.risk-card p{font-size:14.3px;line-height:1.78;color:#B9C9E4;}
.risk-icon{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.3);
}
.risk-icon svg{width:18px;height:18px;stroke:#F59E0B;}

/* ---------- 验证流程 ---------- */
.flow-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.steps{position:relative;padding-left:0;}
.step{position:relative;display:flex;gap:20px;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:21px;top:46px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(47,107,255,.6),rgba(120,170,255,.06));
}
.step:last-child::before{display:none;}
.step-num{
  width:44px;height:44px;flex-shrink:0;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;color:#04101F;
  background:linear-gradient(135deg,#2F6BFF,#21D4FD);
  box-shadow:0 10px 26px rgba(47,107,255,.42);
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:1.08rem;font-weight:700;margin-bottom:6px;}
.step-body p{font-size:14.4px;line-height:1.78;color:var(--muted);}
.step-body .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.figure-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--panel);
}
.figure-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;border-radius:var(--radius);}
.figure-card figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:14px 16px;border-radius:16px;
  background:rgba(5,10,22,.78);
  backdrop-filter:blur(14px);
  border:1px solid rgba(120,170,255,.22);
  font-size:13.5px;color:#C9DAF6;line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;max-width:960px;margin:0 auto;}
.faq-item{
  position:relative;
  border-radius:18px;
  background:rgba(13,25,45,.58);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,#2F6BFF,#21D4FD);
  opacity:0;transition:opacity .25s ease;
  box-shadow:0 0 18px rgba(33,212,253,.6);
}
.faq-item.open{border-color:rgba(33,212,253,.42);background:rgba(15,30,54,.74);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16.5px;font-weight:600;color:#EAF2FF;
}
.faq-q .arrow{
  width:26px;height:26px;flex-shrink:0;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(120,170,255,.28);
  transition:transform .3s ease,border-color .3s ease;
}
.faq-q .arrow svg{width:13px;height:13px;stroke:#9EEBFD;}
.faq-item.open .arrow{transform:rotate(180deg);border-color:var(--cyan);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 24px 22px;font-size:14.6px;line-height:1.85;color:#B7C7E2;}

/* ---------- 联系 CTA ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch;}
.form-card{
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 30px;
  box-shadow:var(--shadow);
}
.form-card h3{font-size:1.3rem;font-weight:700;margin-bottom:8px;}
.form-card .lead{font-size:14.4px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:#B7C7E2;margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:14px;
  background:rgba(5,10,22,.7);
  border:1px solid rgba(120,170,255,.22);
  color:#EAF2FF;font-size:14.5px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#6F84A6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(33,212,253,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7FA3D8 50%),linear-gradient(135deg,#7FA3D8 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-note{font-size:12.8px;color:#7C92B4;margin-top:14px;line-height:1.7;}
.info-card{
  display:flex;flex-direction:column;gap:18px;
  background:linear-gradient(180deg,rgba(47,107,255,.12),rgba(13,25,45,.66));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 30px;
  box-shadow:var(--shadow);
}
.info-card h3{font-size:1.2rem;font-weight:700;}
.info-card > p{font-size:14.5px;color:#B7C7E2;line-height:1.8;}
.info-list{display:flex;flex-direction:column;gap:14px;}
.info-item{display:flex;gap:13px;align-items:flex-start;padding-top:14px;border-top:1px solid rgba(120,170,255,.12);}
.info-item:first-child{border-top:none;padding-top:0;}
.info-item .ic{
  width:34px;height:34px;flex-shrink:0;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,107,255,.16);border:1px solid rgba(120,170,255,.28);
}
.info-item .ic svg{width:16px;height:16px;stroke:#9EEBFD;}
.info-item h4{font-size:14.5px;font-weight:600;margin-bottom:3px;}
.info-item p{font-size:13.6px;color:var(--muted);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;
  background:linear-gradient(180deg,rgba(12,22,40,.9),rgba(5,10,22,1));
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(47,107,255,.6),rgba(33,212,253,.5),transparent) 1;
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--muted);max-width:340px;}
.footer-col h4{font-size:14.5px;font-weight:700;color:#EAF2FF;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(120,170,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7C92B4;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-link{padding:9px 11px;font-size:14px;}
  .brand-text{font-size:15px;}
}
@media (max-width:1024px){
  .nav{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .flow-grid{grid-template-columns:1fr;gap:36px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .hero-panel{padding:44px 34px 40px;}
}
@media (max-width:900px){
  .lists-grid{grid-template-columns:1fr;}
  .risk-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:68px 0;}
  .hero{padding:20px 0 60px;}
  .hero-panel{padding:36px 24px 34px;border-radius:24px;}
  .sec-head{margin-bottom:36px;}
  .faq-q{padding:17px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 20px;}
  .form-card,.info-card{padding:26px 22px;}
}
@media (max-width:640px){
  .dock-wrap{padding:12px 12px 0;}
  .dock{padding:9px 10px 9px 14px;gap:12px;}
  .brand-text{font-size:14.5px;}
  .brand-mark{width:34px;height:34px;border-radius:11px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category4 */
:root{
  --bg:#050A16;
  --bg-deep:#0C1628;
  --glass:rgba(13,25,45,.62);
  --glass-soft:rgba(13,25,45,.45);
  --line:rgba(120,170,255,.18);
  --line-strong:rgba(120,170,255,.34);
  --blue:#2F6BFF;
  --cyan:#21D4FD;
  --purple:#7C5CFF;
  --green:#32D583;
  --warn:#F59E0B;
  --text:#E9F0FB;
  --muted:#9CB0CD;
  --muted-2:#7A8CA8;
  --r-card:22px;
  --r-img:18px;
  --r-pill:999px;
  --shadow-card:0 24px 80px rgba(0,0,0,.45);
  --shadow-glow:0 14px 38px rgba(47,107,255,.45);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 10% -8%,rgba(47,107,255,.20),transparent 62%),
    radial-gradient(900px 520px at 92% 2%,rgba(124,92,255,.16),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s,opacity .25s;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.page-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(120,170,255,.10) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 15%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 15%,transparent 72%);
}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:2;}
.section{padding:96px 0;position:relative;z-index:2;}
.section-tight{padding:72px 0;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;top:16px;z-index:80;
  display:flex;justify-content:center;
  padding:0 16px;margin-top:18px;
}
.dock{
  position:relative;
  width:min(1120px,100%);
  display:flex;align-items:center;gap:14px;
  padding:10px 14px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(10,20,38,.74);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid rgba(120,170,255,.20);
  box-shadow:0 18px 60px rgba(0,0,0,.52),inset 0 1px 0 rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 8px 22px rgba(47,107,255,.45);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-weight:800;font-size:1.02rem;letter-spacing:.01em;white-space:nowrap;color:#fff;}
.brand-text span{
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:.94rem;color:var(--muted);white-space:nowrap;
  transition:color .25s,background .25s,box-shadow .25s;
}
.nav-link:hover{color:#fff;background:rgba(120,170,255,.10);}
.nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(47,107,255,.30),rgba(33,212,253,.16));
  box-shadow:inset 0 0 0 1px rgba(120,170,255,.38),0 0 20px rgba(47,107,255,.35);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(120,170,255,.08);
  border:1px solid rgba(120,170,255,.20);
  color:var(--muted);
  transition:.25s;
}
.icon-btn:hover{color:#fff;border-color:rgba(33,212,253,.5);box-shadow:0 0 18px rgba(33,212,253,.25);}
.menu-btn{display:none;width:38px;height:38px;border-radius:12px;background:rgba(120,170,255,.08);
  border:1px solid rgba(120,170,255,.22);place-items:center;color:var(--text);cursor:pointer;}
.menu-btn:hover{border-color:rgba(33,212,253,.5);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-weight:700;font-size:.98rem;cursor:pointer;border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,filter .25s,border-color .25s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 50px rgba(47,107,255,.62);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  background:rgba(120,170,255,.08);
  border-color:rgba(120,170,255,.32);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(33,212,253,.6);box-shadow:0 16px 40px rgba(33,212,253,.22);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.9rem;}

/* ---------- 通用块 ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  border-radius:var(--r-card);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  font-size:.82rem;letter-spacing:.06em;color:var(--cyan);
  background:rgba(33,212,253,.08);
  border:1px solid rgba(33,212,253,.28);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.75rem,3vw,2.5rem);margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:1.02rem;line-height:1.85;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:.78rem;letter-spacing:.04em;
  color:var(--cyan);background:rgba(33,212,253,.10);
  border:1px solid rgba(33,212,253,.26);
}
.tag-purple{color:#C9B8FF;background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.32);}
.tag-green{color:#9BEFC4;background:rgba(50,213,131,.10);border-color:rgba(50,213,131,.30);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:78px 0 104px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 16% 18%,rgba(47,107,255,.34),transparent 66%),
    radial-gradient(700px 420px at 88% 8%,rgba(124,92,255,.28),transparent 66%),
    linear-gradient(180deg,rgba(5,10,22,.62),rgba(5,10,22,.92) 62%,var(--bg));
}
.hero-grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 30%,#000 10%,transparent 72%);
}
.hero-inner{
  display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;
  position:relative;z-index:3;
}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.35rem);
  line-height:1.18;margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#C2D2E8;font-size:1.08rem;max-width:560px;line-height:1.85;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-badges{display:flex;flex-wrap:wrap;gap:10px;}
.trust-badges li{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:.82rem;color:#B7C8E0;
  background:rgba(13,25,45,.6);
  border:1px solid rgba(120,170,255,.18);
}
.trust-badges li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--green);box-shadow:0 0 10px rgba(50,213,131,.8);
}
.hero-panel{padding:26px;}
.panel-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.dot-row{display:flex;gap:6px;}
.dot-row i{width:9px;height:9px;border-radius:50%;background:rgba(120,170,255,.32);display:block;}
.dot-row i:nth-child(1){background:rgba(47,107,255,.85);}
.dot-row i:nth-child(2){background:rgba(33,212,253,.75);}
.dot-row i:nth-child(3){background:rgba(124,92,255,.7);}
.panel-title{font-size:.9rem;color:var(--muted);letter-spacing:.06em;}
.panel-label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:9px;}
.panel-input{
  display:flex;align-items:center;gap:10px;
  padding:12px 15px;border-radius:14px;
  background:rgba(5,10,22,.72);
  border:1px solid rgba(120,170,255,.22);
  margin-bottom:18px;
  transition:border-color .25s,box-shadow .25s;
}
.panel-input:focus-within{border-color:rgba(33,212,253,.65);box-shadow:0 0 0 3px rgba(33,212,253,.14);}
.panel-input svg{width:18px;height:18px;color:var(--cyan);flex-shrink:0;}
.panel-input input{
  flex:1;background:none;border:0;outline:none;font-size:.94rem;color:var(--text);
}
.panel-input input::placeholder{color:var(--muted-2);}
.panel-hot{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.panel-hot a{
  font-size:.82rem;padding:6px 13px;border-radius:var(--r-pill);
  color:#B9CAE2;background:rgba(120,170,255,.08);
  border:1px solid rgba(120,170,255,.18);
  transition:.25s;
}
.panel-hot a:hover{color:#fff;border-color:rgba(33,212,253,.5);box-shadow:0 0 16px rgba(33,212,253,.22);}
.panel-btn{width:100%;}
.panel-note{
  margin-top:16px;font-size:.8rem;color:var(--muted-2);line-height:1.7;
  padding-top:14px;border-top:1px solid rgba(255,255,255,.08);
}

/* ---------- 快捷入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.quick-card{
  padding:26px 22px;border-radius:var(--r-card);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.38),inset 0 1px 0 rgba(255,255,255,.07);
  transition:transform .3s,border-color .3s,box-shadow .3s;
  display:flex;flex-direction:column;gap:14px;
}
.quick-card:hover{transform:translateY(-6px);border-color:rgba(33,212,253,.45);box-shadow:0 30px 70px rgba(0,0,0,.5),0 0 40px rgba(33,212,253,.12);}
.quick-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.28),rgba(33,212,253,.14));
  border:1px solid rgba(120,170,255,.28);
  color:var(--cyan);
  box-shadow:0 8px 24px rgba(47,107,255,.28);
}
.quick-icon svg{width:22px;height:22px;}
.quick-card h3{font-size:1.14rem;}
.quick-card p{color:var(--muted);font-size:.93rem;line-height:1.8;}
.quick-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:.88rem;color:var(--cyan);font-weight:600;
}
.quick-link svg{width:14px;height:14px;transition:transform .25s;}
.quick-card:hover .quick-link svg{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:start;}
.faq-item{
  position:relative;border-radius:18px;overflow:hidden;
  background:rgba(13,25,45,.6);
  border:1px solid rgba(120,170,255,.16);
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--blue),var(--cyan));
  opacity:0;transition:opacity .3s;
}
.faq-item:hover{border-color:rgba(120,170,255,.32);}
.faq-item.open{
  border-color:rgba(33,212,253,.45);
  background:rgba(16,30,54,.72);
  box-shadow:0 20px 55px rgba(33,212,253,.12);
}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 20px;background:none;border:0;text-align:left;
  font-weight:600;font-size:1rem;cursor:pointer;color:var(--text);
}
.faq-q:hover{color:#fff;}
.faq-icon{flex-shrink:0;color:var(--cyan);transition:transform .32s;}
.faq-icon svg{width:18px;height:18px;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease;}
.faq-a-inner{padding:0 20px 20px;color:var(--muted);font-size:.93rem;line-height:1.85;}

/* ---------- 处理流程 ---------- */
.flow-wrap{
  padding:44px 38px;border-radius:var(--r-card);
  background:linear-gradient(135deg,rgba(13,25,45,.78),rgba(8,17,33,.62));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative;}
.flow-step{position:relative;padding-top:10px;}
.flow-num{
  font-size:1.6rem;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.flow-step h3{font-size:1.06rem;margin-bottom:10px;}
.flow-step p{color:var(--muted);font-size:.92rem;line-height:1.8;}
.flow-step::after{
  content:"";position:absolute;top:20px;right:-16px;width:24px;height:1px;
  background:linear-gradient(90deg,rgba(33,212,253,.6),transparent);
}
.flow-grid .flow-step:last-child::after{display:none;}
.flow-media{
  margin-top:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.08);
}
.flow-media img{
  width:100%;height:220px;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid rgba(120,170,255,.18);
  background:var(--bg-deep);
}
.flow-media h3{font-size:1.2rem;margin-bottom:12px;}
.flow-media p{color:var(--muted);font-size:.95rem;line-height:1.85;margin-bottom:16px;}
.metric-row{display:flex;gap:18px;flex-wrap:wrap;}
.metric-item{padding:12px 18px;border-radius:14px;background:rgba(120,170,255,.06);border:1px solid rgba(120,170,255,.16);}
.metric-item strong{display:block;font-size:1.5rem;font-variant-numeric:tabular-nums;color:#fff;}
.metric-item span{font-size:.8rem;color:var(--muted);}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start;}
.form-card{padding:34px 32px;}
.form-card h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:12px;}
.form-card > p{color:var(--muted);font-size:.95rem;margin-bottom:26px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:.86rem;color:var(--muted);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:14px;
  background:rgba(5,10,22,.72);
  border:1px solid rgba(120,170,255,.20);
  color:var(--text);font-size:.94rem;outline:none;
  transition:border-color .25s,box-shadow .25s;
}
.field textarea{min-height:120px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(33,212,253,.65);
  box-shadow:0 0 0 3px rgba(33,212,253,.15);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-tip{font-size:.8rem;color:var(--muted-2);margin-top:14px;line-height:1.7;}
.form-msg{display:none;margin-top:18px;padding:12px 16px;border-radius:14px;font-size:.9rem;
  background:rgba(50,213,131,.10);border:1px solid rgba(50,213,131,.32);color:#9BEFC4;}
.form-msg.show{display:block;}
.info-card{padding:30px 28px;display:flex;flex-direction:column;gap:22px;}
.info-item{display:flex;gap:14px;}
.info-icon{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(124,92,255,.26),rgba(47,107,255,.16));
  border:1px solid rgba(124,92,255,.3);color:#C9B8FF;
}
.info-icon svg{width:20px;height:20px;}
.info-item h3{font-size:1rem;margin-bottom:6px;}
.info-item p{color:var(--muted);font-size:.9rem;line-height:1.8;}
.info-divider{height:1px;background:rgba(255,255,255,.08);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:2;margin-top:20px;padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(8,16,32,.55),rgba(5,10,22,.98));
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,107,255,.7),rgba(33,212,253,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--muted);font-size:.92rem;line-height:1.9;max-width:340px;}
.footer-col h4{font-size:.95rem;margin-bottom:18px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--muted);font-size:.9rem;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:.84rem;color:var(--muted-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .flow-step::after{display:none;}
}
@media (max-width:1023px){
  .dock{padding:10px 12px 10px 16px;}
  .nav{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin-left:0;padding:14px;
    border-radius:24px;
    background:rgba(10,20,38,.97);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border:1px solid rgba(120,170,255,.22);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .28s,transform .28s;
  }
  .nav.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:12px 14px;font-size:1rem;min-height:48px;display:flex;align-items:center;}
  .menu-btn{display:grid;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero{padding:60px 0 80px;}
  .faq-layout{grid-template-columns:1fr;}
  .flow-media{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .quick-grid{grid-template-columns:1fr;gap:18px;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-wrap{padding:30px 22px;}
  .form-card,.info-card{padding:26px 22px;}
  .field-row{grid-template-columns:1fr;gap:0;}
  .hero-cta .btn{width:100%;}
  .panel-hot{gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .brand-text{font-size:.96rem;}
}
@media (max-width:520px){
  .dock{gap:8px;padding:9px 10px 9px 12px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .dock-actions .btn-sm{display:none;}
  .hero h1{font-size:1.9rem;}
  .hero-sub{font-size:1rem;}
  .quick-card{padding:22px 18px;}
  .faq-q{font-size:.95rem;padding:16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .metric-row{gap:12px;}
  .metric-item{flex:1 1 46%;}
}