/* roulang page: index */
:root{
  --page:#060B14;
  --panel:#0C1422;
  --float:rgba(10,18,32,.84);
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.1);
  --line-strong:rgba(255,255,255,.16);
  --brand:#3E69F2;
  --brand-hi:#6390FF;
  --accent:#45D6C4;
  --text:#E8EEF7;
  --muted:#A3B1C6;
  --weak:#66758E;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow:0 16px 40px rgba(0,0,0,.28);
  --font:PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
input,button,textarea{font-family:inherit}
::selection{background:rgba(62,105,242,.4);color:#fff}
.container{max-width:1200px}
.section{padding:90px 0;position:relative}
.section-head{margin-bottom:42px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--accent);
  background:rgba(69,214,196,.08);
  border:1px solid rgba(69,214,196,.22);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;letter-spacing:.05em;
}
.section-head h2{font-size:34px;line-height:1.35;font-weight:700;margin:0 0 14px;letter-spacing:.01em}
.section-head .section-note{color:var(--muted);max-width:680px;margin:0;font-size:16px}
.text-muted-sub{color:var(--muted)}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1080;
  background:transparent;
  transition:background .3s ease,border .3s ease,box-shadow .3s ease;
  border-bottom:1px solid transparent;
}
.site-header .navbar{
  padding:18px 0;
  background:transparent;
  transition:padding .3s ease;
}
.site-header.scrolled{
  background:rgba(7,12,22,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.24);
}
@supports not (backdrop-filter:blur(16px)){
  .site-header.scrolled{background:#0a111d}
}
.site-header.scrolled .navbar{padding:10px 0}
.brand-logo{
  display:inline-flex;align-items:center;gap:6px;font-weight:800;
  color:#fff;font-size:20px;letter-spacing:.01em;
}
.brand-logo .brand-mark{
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-hi));
  display:inline-block;padding:0 8px;border-radius:var(--radius-sm);font-weight:900;
}
.brand-logo .brand-cn{color:var(--accent)}
.site-nav .nav-item{margin:0 4px}
.site-nav .nav-link{
  color:var(--muted);font-size:15px;font-weight:500;
  padding:8px 14px!important;border-radius:8px;position:relative;transition:.25s;
}
.site-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.site-nav .nav-link.active{color:#fff}
.site-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:18px;height:3px;border-radius:999px;background:var(--accent);
}
.nav-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff!important;font-size:14px;font-weight:600;
  padding:9px 20px!important;border-radius:8px;box-shadow:0 6px 18px rgba(58,95,242,.26);
  transition:.25s;border:1px solid rgba(255,255,255,.12);
}
.nav-btn:hover{background:var(--brand-hi);transform:translateY(-1px);color:#fff!important;box-shadow:0 8px 22px rgba(62,105,242,.4)}
.navbar-toggler{border:1px solid var(--line);padding:6px 10px;color:#fff;background:rgba(255,255,255,.03)}
.navbar-toggler i{font-size:18px;color:#fff}
@media (max-width:991.98px){
  .navbar-collapse{
    margin-top:14px;background:rgba(6,11,20,.96);
    border:1px solid var(--line);border-radius:14px;padding:18px 16px;
    box-shadow:var(--shadow);
  }
  .site-nav .nav-link{padding:12px 10px!important;font-size:16px;border-radius:8px}
  .site-nav .nav-link.active{background:rgba(99,144,255,.08)}
  .site-nav .nav-link.active::after{display:none}
  .nav-btn{margin-top:8px;justify-content:center}
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:
    linear-gradient(180deg,rgba(5,10,20,.68) 0%,rgba(6,15,30,.78) 60%,var(--page) 100%),
    radial-gradient(circle at 16% 20%,rgba(62,105,242,.20),transparent 40%),
    radial-gradient(circle at 84% 72%,rgba(69,214,196,.12),transparent 34%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding:150px 0 90px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  padding:7px 16px;border-radius:999px;color:#fff;font-size:14px;margin-bottom:24px;
  box-shadow:0 0 0 1px rgba(255,255,255,.06) inset;
}
.hero-kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero h1{font-size:50px;line-height:1.3;font-weight:800;color:#fff;margin:0 0 22px;letter-spacing:.005em;max-width:840px}
.hero-lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:700px;margin:0 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.btn-main,.btn-ghost,.btn-cta-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:15px;font-weight:600;padding:12px 25px;border-radius:8px;line-height:1.6;
  transition:transform .22s,background .22s,box-shadow .22s,border .22s;white-space:nowrap;
}
.btn-main{
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));color:#fff;border:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.08) inset,0 6px 22px rgba(58,95,242,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);background:linear-gradient(135deg,#4e77f5,#6f9bff);box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 10px 26px rgba(58,95,242,.42)}
.btn-ghost{
  background:rgba(255,255,255,.03);color:#E8EEF7;border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
@supports not (backdrop-filter:blur(6px)){.btn-ghost{background:rgba(17,25,44,.7)}}
.btn-ghost:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateY(-2px);border-color:rgba(255,255,255,.3)}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--line);padding-top:26px;max-width:720px;
}
.hero-tag{
  font-size:13px;color:#D7E1EE;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);padding:5px 14px;border-radius:999px;transition:.2s;letter-spacing:.02em;
}
.hero-tag i{margin-right:5px;color:var(--accent);font-size:12px}
.hero-tag:hover{background:rgba(62,105,242,.2);border-color:rgba(99,144,255,.55);color:#fff;transform:translateY(-1px)}
.hero-stat-row{display:flex;gap:30px;margin-top:48px}
.hero-stat{border:0;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 22px;min-width:150px}
.hero-stat strong{display:block;font-size:25px;color:#fff;font-weight:700;letter-spacing:.01em}
.hero-stat span{font-size:13px;color:var(--muted)}
@media(max-width:991px){
  .hero h1{font-size:38px}
  .hero{border-radius:0}
}
@media(max-width:767px){
  .hero{border-radius:0}.hero h1{font-size:32px;line-height:1.4}.hero-lead{font-size:16px}
  .hero-inner{margin-top:40px}
  .hero-stat-row{flex-wrap:wrap;gap:12px}.hero-stat{min-width:140px;flex:1 1 44%}
}
@media(max-width:520px){
  .section{padding:56px 0}.section-head h2{font-size:26px}
  .hero{padding-top:120px;min-height:100vh}
  .hero h1{font-size:30px}
  .btn-main,.btn-ghost{width:100%}
  .hero-stat-row{flex-direction:column}
}

/* ===== 步骤 ===== */
.steps-wrap{background:var(--panel);border:1px solid var(--line);border-radius:18px}
.step-item{position:relative;padding:32px 24px}
.step-num{
  display:flex;align-items:center;justify-content:center;
  width:50px;height:50px;border-radius:13px;background:rgba(62,105,242,.14);
  color:var(--brand-hi);font-weight:800;font-size:18px;border:1px solid rgba(99,144,255,.28);margin-bottom:22px;
}
.step-item h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.step-item p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:10px}
.step-more{font-size:13px;color:var(--accent);display:inline-flex;gap:6px;align-items:center}
.step-more:hover{color:#fff}
.step-line{position:absolute;top:50%;right:-24px;width:48px;height:1px;border-top:1px dashed rgba(99,144,255,.5);z-index:2}
@media(max-width:991.98px){.step-line{display:none}}
@media(max-width:767px){
  .step-item{border-bottom:1px solid var(--line)}
  .step-item:last-child{border-bottom:0}
}

/* ===== 案例 ===== */
.case-section{background:#08111f;border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.case-main{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;height:100%;background:var(--panel);transition:.3s}
.case-main:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.16)}
.case-figure{position:relative;height:300px;overflow:hidden}
.case-main .case-figure{height:380px}
.case-figure img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.case-main:hover .case-figure img{transform:scale(1.03)}
.case-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,9,16,.08) 0%,rgba(4,9,16,.65) 100%)}
.case-figure .case-label{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(6,14,28,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);color:#fff;font-size:13px;padding:6px 14px;border-radius:999px;
}
@supports not (backdrop-filter:blur(8px)){.case-figure .case-label{background:#0b1628}}
.case-body{padding:26px}
.case-body h3{font-size:21px;color:#fff;margin-bottom:12px}
.case-body p{color:var(--muted);font-size:14px;margin-bottom:16px;line-height:1.8}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}
.case-tags span{font-size:12px;color:#C9D6EA;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);padding:3px 10px;border-radius:999px}
.case-mini-card{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);overflow:hidden;height:100%;transition:.28s}
.case-mini-card:hover{border-color:rgba(99,144,255,.35);transform:translateY(-3px)}
.case-mini-card .mini-figure{height:120px;overflow:hidden}
.case-mini-card .mini-figure img{width:100%;height:100%;object-fit:cover}
.case-mini-card .mini-body{padding:20px}
.case-mini-card h3{font-size:16px;color:#fff;line-height:1.5;margin-bottom:8px;font-weight:600}
.case-mini-card p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:8px}
.case-mini-result{color:var(--accent);font-size:12px;font-weight:600}
@media(max-width:991.98px){
  .case-main{margin-bottom:24px}
  .case-main .case-figure{height:260px}
}

/* ===== CMS 资讯 ===== */
.news-panel-grid .news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;transition:border .25s,transform .25s;
}
.news-card:hover{border-color:rgba(99,144,255,.28);transform:translateY(-2px)}
.news-feature{display:grid;grid-template-columns:54% 1fr;min-height:230px}
.news-photo{background-size:cover;background-position:center;min-height:100%}
.news-photo-mask{background:linear-gradient(120deg,rgba(62,105,242,.15),transparent 45%)}
.news-content{padding:28px;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.news-cat{font-size:12px;font-weight:600;color:var(--accent);background:rgba(69,214,196,.1);border:1px solid rgba(69,214,196,.24);padding:3px 12px;border-radius:999px}
.news-time{font-size:12px;color:var(--weak)}
.news-headline{font-size:22px;color:#fff;font-weight:700;line-height:1.6;margin-bottom:10px}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3}
.news-read{color:var(--brand-hi);font-size:13px;font-weight:600;margin-top:auto;display:inline-flex;align-items:center;gap:7px}
.news-card:hover .news-read{gap:11px}
.news-stack{display:grid;gap:16px}
.news-side{grid-template-columns:1fr;display:grid;grid-template-rows:auto auto;height:100%}
.news-mini-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;border-left:3px solid transparent;transition:.22s}
.news-mini-card:hover{background:#0E1B2C;border-color:rgba(255,255,255,.14);border-left-color:var(--brand-hi)}
.news-mini-card .news-time{display:block;margin-bottom:6px}
.news-mini-title{font-size:16px;color:#fff;font-weight:600;color:#fff;line-height:1.65;margin:0 0 8px}
.news-mini-excerpt{color:var(--muted);font-size:13px;margin-bottom:0}
.news-card-row{display:grid;grid-template-columns:100px 1fr;gap:14px;align-items:start}
@media(max-width:991.98px){
  .news-feature{grid-template-columns:1fr}
  .news-photo{min-height:160px}
  .news-stack{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .news-stack{grid-template-columns:1fr}
  .news-card-row{grid-template-columns:78px 1fr;gap:10px}
  .news-headline{font-size:19px}
}

/* ===== FAQ ===== */
.faq-side h2{font-size:34px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:16px}
.faq-side p{color:var(--muted);margin-bottom:22px}
.faq-side .faq-desc-tag{color:var(--accent);border-left:3px solid var(--accent);background:rgba(69,214,196,.06);padding:8px 16px;font-size:13px;border-radius:0 10px 10px 0}
.accordion-item{
  background:transparent;border:0;margin-bottom:22px;border-radius:14px!important;
  box-shadow:none;
}
.accordion-inner{background:linear-gradient(180deg,#0E1830,#0B1424);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.accordion-item.open .accordion-inner{border-color:rgba(99,144,255,.28)}
.accordion-button{
  background:transparent;color:#E8EEF7;font-weight:600;font-size:16px;
  padding:22px 24px;border:0;text-align:left;position:relative;line-height:1.6;
}
.accordion-button:not(.collapsed){color:#fff;background:transparent;box-shadow:none}
.accordion-button:hover{background:rgba(255,255,255,.03);color:#fff}
.accordion-button::after{
  content:"\f068";font-family:'Font Awesome 6 Free';font-weight:900;width:26px;height:26px;
  background:rgba(62,105,242,.1);border:1px solid rgba(99,144,255,.28);color:var(--brand-hi);
  display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:12px;
  transform:none;}
.accordion-button.collapsed::after{content:"\f067";color:var(--muted);border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.03)}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(99,144,255,.5);border-radius:14px}
.accordion-body{padding:0 24px 24px;color:var(--muted);font-size:15px;line-height:1.9}
.accordion-body ul{margin:10px 0 0;padding-left:20px}
.accordion-body li{margin-bottom:5px}
@media(max-width:991px){
  .faq-side h2{font-size:27px}
}
@media(max-width:600px){
  .accordion-button{font-size:15px;padding:18px 16px}
  .accordion-body{padding:0 16px 20px}
}

/* ===== CTA ===== */
.cta-zone{
  position:relative;background:
  radial-gradient(circle at 18% 25%,rgba(62,105,242,.25),transparent 40%),
  radial-gradient(circle at 82% 72%,rgba(69,214,196,.12),transparent 38%),
  linear-gradient(180deg,#071120 0%,#0B2440 100%);
  padding:90px 0;overflow:hidden;border-top:1px solid rgba(255,255,255,.06)
}
.cta-inner{max-width:760px}
.cta-inner h2{color:#fff;font-weight:700;font-size:34px;line-height:1.5;margin-bottom:14px}
.cta-inner > p{color:#C6D1E2;margin-bottom:28px;font-size:16px}
.cta-form{background:rgba(9,17,32,.66);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:24px;margin-top:30px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
@supports not (backdrop-filter:blur(10px)){.cta-form{background:#0A1221}}
.form-control-custom{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:8px;color:#fff;padding:12px 16px;transition:.2s;
}
.form-control-custom:focus{background:rgba(255,255,255,.06);border-color:var(--brand-hi);box-shadow:0 0 0 4px rgba(62,105,242,.15);outline:0;color:#fff}
.form-control-custom::placeholder{color:var(--weak)}
.btn-cta-solid{background:var(--brand);color:#fff;border:0;box-shadow:0 6px 22px rgba(58,95,242,.32)}
.btn-cta-solid:hover{background:var(--brand-hi);color:#fff;transform:translateY(-2px)}
@media(max-width:768px){
  .cta-inner h2{font-size:27px}.cta-form{padding:18px}
}

/* ===== 面板 / 标牌 ===== */
.glass-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);position:relative;
}
.panel-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:.26s;height:100%;
}
.panel-card:hover{border-color:rgba(255,255,255,.18);transform:translateY(-4px);box-shadow:var(--shadow)}
.chip{
  align-self:flex-start;font-size:12px;padding:3px 11px;border-radius:999px;
  background:rgba(62,105,242,.12);border:1px solid rgba(99,144,255,.3);
  color:#BCCBEF;
}
.solid-hr{border-top:1px solid var(--line)}
.bg-surface-sub{background:#0B1525}
a:focus-visible,button:focus-visible{outline:2px solid #6390FF;outline-offset:3px;border-radius:4px}

/* ===== 页脚 ===== */
.footer{background:#040910;padding-top:70px;border-top:1px solid rgba(255,255,255,.08)}
.footer-brand{font-size:22px;color:#fff;font-weight:800;display:inline-flex;gap:5px}
.footer-brand .f-mark{background:linear-gradient(135deg,#3E69F2,#6390FF);border-radius:7px;padding:0 6px}
.footer-brand .f-cn{color:var(--accent)}
.footer-desc{color:#93A4BC;font-size:14px;line-height:1.9;margin-top:18px;max-width:320px}
.footer h5{font-size:16px;color:#fff;font-weight:600;margin-bottom:18px}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:10px}
.footer ul a{color:#91A5BE;font-size:14px;transition:.2s}
.footer ul a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;margin-top:48px;color:#5E7189;font-size:13px}
.footer-bottom a{color:#90A2BC}
.footer-bottom .friend-links{display:inline-flex;gap:6px;flex-wrap:wrap}
.footer-bottom .friend-links a:hover{color:#fff}
@media(max-width:767px){
  .footer .col-md-4,.footer .col-sm-6{margin-bottom:26px}
  .footer-bottom .text-end{text-align:left!important;margin-top:10px}
}

/* ===== 空态 ===== */
.empty-state{
  padding:42px 20px;text-align:center;color:var(--weak);
  border:1px dashed rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.02);
}

/* 通用图标点缀 */
.icon-square{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:11px;
  background:rgba(62,105,242,.13);color:var(--brand-hi);font-size:17px;
  border:1px solid rgba(99,144,255,.25);flex:none;
}

/* roulang page: article */
:root {
            --bg: #060B14;
            --panel: #0C1422;
            --panel-2: #0A101B;
            --float-bg: rgba(10, 18, 32, 0.92);
            --glass: rgba(255, 255, 255, 0.045);
            --border: rgba(255, 255, 255, 0.1);
            --border-strong: rgba(255, 255, 255, 0.14);
            --primary: #3E69F2;
            --primary-light: #6390FF;
            --accent: #45D6C4;
            --text: #E8EEF7;
            --text-secondary: #A3B1C6;
            --text-muted: #66758E;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0px 16px 40px rgba(0, 0, 0, 0.28);
            --space-section: 90px;
            --space-mobile: 56px;
            --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font: inherit;
        }

        .container {
            max-width: 1200px;
        }

        .container-article {
            max-width: 780px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            position: relative;
        }

        .section-gap {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.28;
            letter-spacing: 0.02em;
            color: var(--text);
            font-weight: 700;
        }

        p {
            margin: 0;
        }

        ul,
        ol {
            padding-left: 0;
        }

        .btn-solid,
        .btn-outline,
        .nav-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            border: 0;
            cursor: pointer;
            transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-solid {
            background: var(--primary);
            color: #fff;
            padding: 13px 26px;
            box-shadow: 0 6px 22px rgba(58, 95, 242, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            background: var(--primary-light);
            color: #fff;
        }

        .btn-outline {
            background: rgba(6, 11, 20, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: var(--text);
            padding: 12px 24px;
        }

        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.42);
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-solid:focus-visible,
        .btn-outline:focus-visible,
        .nav-btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1048;
            transition: background .3s ease, border-color .3s ease, box-shadow .3s ease, padding .3s ease;
            border-bottom: 1px solid transparent;
        }

        .site-header .navbar {
            padding: 18px 0;
            transition: padding .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(8, 14, 26, 0.78);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.28);
        }

        .site-header.is-scrolled .navbar {
            padding: 12px 0;
        }

        @supports not ((backdrop-filter: blur(14px)) or (-webkit-backdrop-filter: blur(14px))) {
            .site-header.is-scrolled {
                background: #0a101b;
            }
        }

        .brand-logo,
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .brand-mark,
        .f-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 30px;
            padding: 0 6px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), #6095FF);
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .brand-cn,
        .f-cn {
            letter-spacing: 0.04em;
        }

        .site-nav .nav-link {
            color: rgba(232, 238, 247, 0.86);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 8px;
            margin: 0 10px;
            border-radius: 10px;
            display: block;
            position: relative;
            transition: color .2s ease, background .2s ease;
        }

        .site-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 4px;
            background: var(--accent);
            transform: translateX(-50%);
            transition: width .2s ease;
        }

        .site-nav .nav-link:hover {
            color: #fff;
        }

        .site-nav .nav-link:hover::after,
        .site-nav .nav-link.active::after {
            width: 16px;
        }

        .site-nav .nav-link.active {
            color: #fff;
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), #2f5ce8);
            color: #fff;
            padding: 10px 18px;
            font-size: 14px;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset, 0 6px 22px rgba(58, 95, 242, 0.3);
        }

        .nav-btn:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 12px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.03);
            font-size: 18px;
            line-height: 1;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(99, 144, 255, .6);
        }

        .article-hero {
            min-height: 48vh;
            padding: 190px 0 96px;
            background:
                linear-gradient(90deg, rgba(6, 11, 20, .82) 0%, rgba(6, 11, 20, .72) 42%, rgba(5, 12, 24, .55) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: flex-end;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .article-hero .breadcrumb-nav {
            margin-bottom: 26px;
        }

        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-nav li+li::before {
            content: "›";
            color: var(--text-muted);
            font-weight: 400;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary-light);
        }

        .article-hero .hero-category {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            border-radius: 100px;
            background: rgba(69, 214, 196, 0.12);
            color: #84E8DB;
            border: 1px solid rgba(69, 214, 196, 0.2);
            padding: 6px 14px;
            font-size: 13px;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .hero-category i {
            font-size: 6px;
            color: var(--accent);
        }

        .article-hero h1 {
            max-width: 860px;
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin: 0;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .hero-meta span,
        .hero-meta time {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta i {
            color: var(--text-muted);
        }

        .article-main {
            padding-top: 74px;
            padding-bottom: 56px;
        }

        .article-sheet {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 20px;
        }

        .article-body {
            padding: 46px 50px 52px;
            font-size: 17px;
            color: #DDE6F2;
            overflow-wrap: break-word;
        }

        .article-body h2 {
            font-size: 27px;
            font-weight: 700;
            color: #F5F8FD;
            margin-top: 56px;
            margin-bottom: 18px;
            padding-top: 10px;
            line-height: 1.45;
        }

        .article-body h3 {
            font-size: 21px;
            color: #EDF2FA;
            margin-top: 36px;
            margin-bottom: 14px;
        }

        .article-body h4 {
            font-size: 18px;
            color: #EDF2FA;
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .article-body p {
            margin-top: 18px;
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin: 18px 0 22px;
            padding-left: 1.2em;
            color: #D3DCE9;
        }

        .article-body ul li,
        .article-body ol li {
            margin-top: 8px;
            margin-bottom: 8px;
        }

        .article-body blockquote {
            margin: 28px 0;
            padding: 18px 22px;
            border-left: 3px solid var(--primary);
            border-radius: 0 12px 12px 0;
            background: rgba(62, 105, 242, 0.08);
            color: #C6D2E2;
            font-style: normal;
        }

        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-body a:hover {
            color: #8DB2FF;
        }

        .article-body img {
            border-radius: 14px;
            margin: 28px 0;
        }

        .article-body table {
            width: 100%;
            max-width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            display: block;
            overflow-x: auto;
            white-space: nowrap;
            font-size: 15px;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 10px 14px;
        }

        .article-body table th {
            background: rgba(255, 255, 255, 0.05);
            color: #E4ECF7;
        }

        .article-body code {
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.08);
            color: #DDE8FF;
            padding: 3px 7px;
            font-size: 0.93em;
        }

        .article-body pre {
            background: rgba(0, 0, 0, 0.28);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 18px 20px;
            overflow-x: auto;
        }

        .article-body pre code {
            color: #C9D7F0;
            background: transparent;
            padding: 0;
        }

        .post-foot {
            padding: 20px 0 44px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 0;
        }

        .post-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .post-tags .badge-tag {
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #C7D4E4;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 100px;
            padding: 5px 14px;
            font-weight: 500;
        }

        .breadcrumb-back a,
        .back-parent {
            color: var(--text-secondary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-back a:hover,
        .back-parent:hover {
            color: var(--primary-light);
        }

        .empty-article {
            min-height: 320px;
            padding: 90px 20px 100px;
            text-align: center;
        }

        .empty-article .empty-icon {
            font-size: 52px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .empty-article h1 {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .empty-article p {
            color: var(--text-secondary);
            margin-bottom: 26px;
        }

        .related-section {
            background: #08101C;
            padding: 80px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .related-section .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .related-section .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
        }

        .related-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 34px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin: 0;
        }

        .related-more {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color .2s ease;
        }

        .related-more:hover {
            color: var(--primary-light);
        }

        .related-main-card {
            height: 100%;
            min-height: 260px;
            background: var(--panel);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            transition: transform .2s ease, border-color .2s ease, background .2s ease;
        }

        .related-main-card:hover {
            border-color: rgba(99, 144, 255, 0.4);
            background: #0E1624;
            transform: translateY(-3px);
        }

        .related-main-card .media {
            width: 58%;
            min-height: 260px;
            position: relative;
            overflow: hidden;
        }

        .related-main-card .media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .related-main-card .media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 40%, rgba(12, 20, 34, 0.6));
        }

        .related-main-card .body {
            width: 42%;
            padding: 26px 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-main-card .mini-label {
            font-size: 13px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            font-weight: 500;
        }

        .related-main-card h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 12px;
        }

        .related-main-card p {
            color: var(--text-secondary);
            font-size: 15px;
            flex: 1;
            overflow: hidden;
        }

        .related-small-wrap {
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .related-small-card {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 14px;
            min-height: 120px;
            transition: transform .2s ease, border-color .2s ease, background .2s ease;
        }

        .related-small-card:hover {
            border-color: rgba(69, 214, 196, 0.35);
            background: #0F1624;
            transform: translateY(-2px);
        }

        .related-small-card .thumb {
            width: 92px;
            height: 92px;
            flex: none;
            border-radius: 12px;
            overflow: hidden;
        }

        .related-small-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-small-card .related-txt {
            min-width: 0;
            flex: 1;
        }

        .related-small-card .related-txt h3 {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .related-small-card .tagline {
            color: var(--text-muted);
            font-size: 13px;
        }

        .faq-section {
            padding: 80px 0;
        }

        .faq-inner {
            display: grid;
            grid-template-columns: 0.92fr 1.58fr;
            gap: 60px;
            align-items: start;
        }

        .faq-head h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .faq-head p {
            color: var(--text-secondary);
            max-width: 360px;
        }

        .accordion-item {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 22px 20px 24px;
            box-shadow: none;
            border: 0;
            position: relative;
            line-height: 1.6;
            text-align: left;
        }

        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            width: auto;
            height: auto;
            color: var(--text-secondary);
            transition: transform .2s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(6, 11, 20, 0.8);
            color: #fff;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 1px rgba(99, 144, 255, .45);
        }

        .accordion-button:not(.collapsed)::before {
            content: "";
            position: absolute;
            left: 0;
            top: 16px;
            bottom: 16px;
            width: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .accordion-body {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            background: rgba(5, 10, 18, 0.36);
            color: var(--text-secondary);
            padding: 18px 24px 22px;
            font-size: 15px;
            line-height: 1.8;
        }

        .accordion-body a {
            color: var(--primary-light);
        }

        .cta-open-section {
            padding: 86px 0;
            position: relative;
            background:
                radial-gradient(900px 300px at 50% 0%, rgba(50, 94, 224, 0.2), transparent 70%),
                #071120;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }

        .cta-open-section:before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.webp') center 20% / cover no-repeat;
            opacity: 0.14;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: var(--text-secondary);
            margin-bottom: 36px;
            font-size: 16px;
        }

        .footer {
            background: #04070E;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 68px;
            padding-bottom: 30px;
        }

        .footer .footer-brand {
            margin-bottom: 18px;
            font-size: 22px;
        }

        .footer .f-mark {
            background: linear-gradient(135deg, var(--primary), #3f79f5);
        }

        .footer-desc {
            max-width: 330px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .footer h5 {
            color: #DDE7F3;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer ul li {
            margin-bottom: 10px;
        }

        .footer ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer ul a:hover {
            color: var(--primary-light);
            padding-left: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            margin-top: 52px;
            padding-top: 24px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: #c8d4e4;
        }

        .friend-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                margin-top: 16px;
                padding: 18px 20px;
                background: var(--float-bg);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 18px;
                -webkit-backdrop-filter: blur(14px);
                backdrop-filter: blur(14px);
                max-height: 78vh;
                overflow-y: auto;
            }

            @supports not ((backdrop-filter: blur(14px)) or (-webkit-backdrop-filter: blur(14px))) {
                .navbar-collapse {
                    background: #0a111c;
                }
            }

            .site-nav {
                margin: 8px 0 16px;
                width: 100%;
            }

            .navbar-nav .nav-link {
                padding: 12px 10px;
                margin: 0;
                font-size: 16px;
                border-radius: 10px;
            }

            .site-nav .nav-link::after {
                bottom: 6px;
                left: 18px;
                transform: none;
                margin-left: 0;
            }

            .site-nav .nav-link:hover::after,
            .site-nav .nav-link.active::after {
                width: 18px;
            }

            .nav-btn {
                width: 100%;
            }

            .article-hero {
                min-height: 40vh;
                padding-top: 164px;
                padding-bottom: 70px;
            }

            .article-hero h1 {
                font-size: 30px;
            }

            .article-body {
                padding: 32px 28px 40px;
                font-size: 16px;
            }

            .article-body h2 {
                font-size: 23px;
            }

            .faq-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .faq-head p {
                max-width: 100%;
            }

            .related-main-card {
                flex-direction: column;
            }

            .related-main-card .media {
                width: 100%;
                min-height: 200px;
                display: block;
                position: relative;
            }

            .related-main-card .body {
                width: 100%;
            }

            .cta-content h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 767.98px) {
            .related-section {
                padding: 56px 0;
            }

            .related-small-wrap {
                margin-top: 14px;
            }

            .section-title {
                font-size: 24px;
            }

            .article-main {
                padding-top: 44px;
            }

            .container-article {
                padding-left: 0;
                padding-right: 0;
            }

            .article-body {
                border-radius: 0;
                border-left: 0;
                border-right: 0;
                padding: 24px 18px 34px;
            }

            .footer-bottom .d-flex {
                gap: 10px;
            }

            .brand-logo,
            .footer-brand {
                font-size: 20px;
            }

            .brand-mark {
                min-width: 36px;
                height: 28px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 27px;
            }

            .hero-meta {
                gap: 8px;
            }

            .related-main-card .media {
                min-height: 150px;
            }

            .cta-open-section {
                padding: 56px 0;
            }

            .cta-content .btn-solid,
            .cta-content .btn-outline {
                width: 100%;
                max-width: 300px;
                margin-bottom: 8px;
            }

            .footer-bottom .d-flex {
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root{
  --page-bg:#060B14;
  --surface:#0C1422;
  --surface-soft:#0A1322;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.1);
  --line-strong:rgba(255,255,255,.16);
  --primary:#3E69F2;
  --primary-soft:#6390FF;
  --secondary:#45D6C4;
  --body:#E8EEF7;
  --muted:#A3B1C6;
  --faint:#66758E;
  --danger:#FF7B7B;
  --radius-lg:16px;
  --radius-btn:8px;
  --shadow:0 16px 40px rgba(0,0,0,.28);
  --max-width:1200px;
}

*{
  box-sizing:border-box;
}
html,body{
  margin:0;
  padding:0;
}
body{
  font-family:"PingFang SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--page-bg);
  color:var(--body);
  line-height:1.72;
  letter-spacing:.008em;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
body::selection{
  background:rgba(62,105,242,.45);
  color:#fff;
}
img{
  max-width:100%;
  height:auto;
}
a{
  color:var(--secondary);
  text-decoration:none;
  transition:color .2s ease;
}
a:hover{
  color:#fff;
}
button,input,select,textarea{
  font:inherit;
}
h1,h2,h3,h4,h5{
  color:#fff;
  line-height:1.35;
  margin:0 0 .5rem;
  font-weight:600;
}
p{
  margin:0 0 1rem;
}
p:last-child{
  margin-bottom:0;
}
ul,ol{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  max-width:var(--max-width);
}

/* ===== 通用区块间距 ===== */
.section-space{
  padding:90px 0;
}
.section-heading{
  margin-bottom:44px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  line-height:1;
  letter-spacing:.08em;
  color:var(--secondary);
  background:rgba(69,214,196,.1);
  border:1px solid rgba(69,214,196,.18);
  border-radius:999px;
  padding:9px 16px;
  margin-bottom:20px;
}
.eyebrow i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 14px rgba(69,214,196,.8);
}
.section-heading h2,
.page-title,
.block-title{
  font-size:32px;
  font-weight:650;
  letter-spacing:-.015em;
  margin-bottom:14px;
}
.block-lead{
  color:var(--muted);
  max-width:720px;
}

/* ===== 按钮 ===== */
.btn-main,.btn-quiet,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:13px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-decoration:none;
  white-space:nowrap;
}
.btn-main{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 22px rgba(58,95,242,.3);
}
.btn-main i{
  color:rgba(255,255,255,.9);
  transition:transform .18s ease;
}
.btn-main:hover{
  background:#5A7FF4;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(58,95,242,.38);
}
.btn-main:active{
  transform:translateY(0);
}
.btn-quiet{
  background:rgba(255,255,255,.045);
  border-color:rgba(255,255,255,.18);
  color:#E9EFF8;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.btn-quiet:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.3);
  color:#fff;
  transform:translateY(-1px);
}
.btn-block{
  width:100%;
}
:focus-visible{
  outline:3px solid rgba(99,144,255,.75);
  outline-offset:3px;
  border-radius:6px;
}
.btn-main:focus-visible,.btn-quiet:focus-visible,.btn-ghost:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline-color:rgba(69,214,196,.85);
}

/* ===== 透明玻璃导航 ===== */
.site-header{
  position:absolute;
  top:0;
  left:0;
  right:0;
  z-index:1040;
  transition:background .3s ease,backdrop-filter .3s ease,box-shadow .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  position:fixed;
  background:rgba(8,14,26,.66);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.navbar{
  padding-top:18px;
  padding-bottom:18px;
  transition:padding .2s ease;
}
.site-header.scrolled .navbar{
  padding-top:13px;
  padding-bottom:13px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  font-weight:700;
  letter-spacing:-.02em;
  transition:opacity .18s ease;
}
.brand-logo:hover{
  opacity:.9;
}
.brand-mark{
  background:linear-gradient(135deg,#3E69F2,#3B9EF0);
  color:#fff;
  border-radius:12px;
  width:44px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 8px 24px rgba(62,105,242,.35);
}
.brand-cn{
  font-size:21px;
  color:#fff;
  font-weight:700;
}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.18);
  width:46px;
  height:46px;
  background:rgba(6,11,20,.35);
  border-radius:12px;
  color:var(--body);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0;
}
.navbar-toggler:hover{
  border-color:var(--secondary);
  color:var(--secondary);
}
.navbar-toggler:focus{
  box-shadow:none;
  border-color:var(--secondary);
  color:var(--secondary);
}
.site-nav .nav-link{
  color:rgba(232,238,247,.78);
  font-size:15px;
  font-weight:500;
  padding:.5rem 1.05rem !important;
  position:relative;
  transition:color .18s ease,background .18s ease;
}
.site-nav .nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-radius:999px;
}
.site-nav .nav-link.active,
.site-nav .nav-link.active:hover{
  color:var(--secondary);
  font-weight:600;
  background:rgba(69,214,196,.08);
  border-radius:999px;
}
.site-nav .nav-link.active::before{
  content:"";
  display:inline-block;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--secondary);
  margin-right:7px;
  vertical-align:middle;
  box-shadow:0 0 0 2px rgba(69,214,196,.18);
}
.nav-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  padding:9px 18px;
  border-radius:999px;
  transition:background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-btn:hover{
  color:#fff;
  background:var(--primary-soft);
  transform:translateY(-1px);
}
@media (max-width:991.98px){
  .navbar-collapse{
    background:rgba(6,11,20,.95);
    border:1px solid var(--line);
    border-radius:18px;
    padding:16px 12px;
    margin-top:14px;
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
  }
  .site-nav .nav-link{
    padding:.85rem 1rem !important;
  }
  .nav-btn{
    margin:.4rem 0 .6rem 1rem;
  }
}

/* ===== 分类页首屏 ===== */
.page-hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:flex-end;
  padding:190px 0 92px;
  overflow:hidden;
  background:
    linear-gradient(120deg,rgba(5,10,20,.73),rgba(6,11,20,.86)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  bottom:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:78px 78px;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:500px;
  height:500px;
  right:-120px;
  top:-90px;
  background:radial-gradient(circle,rgba(62,105,242,.28),transparent 67%);
  pointer-events:none;
  filter:blur(46px);
}
.page-hero-inner{
  position:relative;
  z-index:2;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--faint);
  margin-bottom:20px;
}
.crumb a{
  color:var(--muted);
  transition:color .2s ease;
}
.crumb a:hover{
  color:var(--secondary);
}
.crumb-arrow{
  opacity:.7;
  font-style:normal;
}
.crumb .current{
  color:var(--secondary);
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(69,214,196,.12);
  color:var(--secondary);
  border:1px solid rgba(69,214,196,.2);
  border-radius:999px;
  padding:7px 15px;
  font-size:13px;
  margin-bottom:22px;
}
.hero-kicker i{
  font-size:12px;
}
.page-hero h1{
  font-size:44px;
  line-height:1.18;
  letter-spacing:-.03em;
  font-weight:700;
  max-width:820px;
  margin-bottom:16px;
}
.hero-txt{
  color:var(--muted);
  font-size:17px;
  max-width:720px;
  margin-bottom:30px;
}
.hero-cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
@media(max-width:600px){
  .page-hero{
    min-height:540px;
    padding-top:170px;
  }
  .page-hero h1{
    font-size:31px;
  }
  .hero-cta .btn-main,
  .hero-cta .btn-quiet{
    width:100%;
  }
}

/* ===== 主内容卡片区块 ===== */
.entry-section{
  padding:90px 0 70px;
}
.panel-card{
  background:linear-gradient(145deg,#0B1423,#0A101A);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:0 16px 40px rgba(0,0,0,.18);
  padding:26px;
  margin-bottom:28px;
  transition:border-color .25s ease;
}
.panel-card:hover{
  border-color:rgba(255,255,255,.18);
}
.panel-title{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:600;
  font-size:18px;
  margin-bottom:18px;
}
.panel-title i{
  color:var(--secondary);
}
.entry-main-text{
  font-size:16px;
  color:var(--muted);
}
.article-item{
  position:relative;
  border-top:1px solid rgba(255,255,255,.07);
  padding:26px 0 10px;
  display:flex;
  gap:18px;
}
.article-item .item-index{
  flex:0 0 42px;
  width:42px;
  height:42px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(62,105,242,.14);
  color:var(--primary-soft);
  font-weight:700;
  font-size:14px;
  border:1px solid rgba(62,105,242,.2);
}
.article-item:first-of-type{
  border-top:none;
  padding-top:0;
}
.article-item h3{
  font-size:19px;
  margin-bottom:8px;
}
.article-item p{
  color:var(--muted);
  margin-bottom:12px;
  max-width:92%;
}
.soft-note{
  display:flex;
  gap:10px;
  background:rgba(69,214,196,.07);
  border:1px solid rgba(69,214,196,.16);
  border-radius:14px;
  padding:16px 18px;
  margin-top:26px;
}
.soft-note span{
  flex:none;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--secondary);
  color:#021A18;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
}
.soft-note p{
  color:#DDE6F2;
  margin:0;
  font-size:15px;
}

.side-col{
  position:sticky;
  top:120px;
}
.info-list{
  display:grid;
  gap:13px;
}
.info-list li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  border-bottom:1px dashed rgba(255,255,255,.1);
  padding-bottom:11px;
}
.info-list li:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.info-list dt{
  color:var(--faint);
  font-size:14px;
  flex:none;
}
.info-list dd{
  text-align:right;
  color:#DCE5F0;
  font-size:14px;
  margin:0;
}
.order-list{
  counter-reset:order;
  display:grid;
  gap:14px;
}
.order-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.order-list i{
  flex:none;
  width:28px;
  height:28px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--secondary);
  background:rgba(69,214,196,.1);
  font-style:normal;
  font-size:13px;
  font-weight:700;
}
.order-list span{
  color:var(--muted);
  font-size:14px;
}
.alert-list{
  display:grid;
  gap:11px;
}
.alert-list li{
  position:relative;
  padding-left:25px;
  color:#CBD7E6;
  font-size:14px;
}
.alert-list li::before{
  content:"\f071";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:1px;
  color:#FF8A8A;
  font-size:14px;
}
.side-card-link{
  margin-top:6px;
}
@media(max-width:991.98px){
  .side-col{
    position:static;
  }
  .article-item p{
    max-width:100%;
  }
}

/* ===== 四张识别状态卡 ===== */
.verify-section{
  background:#08111E;
  border-block:1px solid rgba(255,255,255,.06);
  position:relative;
}
.verify-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.verify-card{
  background:linear-gradient(145deg,rgba(12,20,34,.82),rgba(10,15,24,.72));
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  transition:transform .2s ease,border-color .2s ease;
}
.verify-card:hover{
  border-color:rgba(69,214,196,.3);
  transform:translateY(-3px);
}
.verify-icon{
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:13px;
  background:rgba(62,105,242,.14);
  color:var(--primary-soft);
  font-size:18px;
  margin-bottom:18px;
}
.verify-card h3{
  font-size:17px;
  margin-bottom:8px;
}
.verify-card p{
  font-size:14px;
  color:var(--muted);
  margin:0;
}
@media(max-width:991.98px){
  .verify-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:575.98px){
  .verify-grid{
    grid-template-columns:1fr;
  }
}

/* ===== 四步核验 ===== */
.flow-section{
  padding:90px 0;
  background:
    radial-gradient(circle at 10% 15%,rgba(62,105,242,.08),transparent 30%),
    var(--page-bg);
}
.flow-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  min-height:340px;
}
.flow-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height:340px;
  display:block;
}
.flow-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom,rgba(5,10,20,.05),rgba(5,10,20,.85));
}
.flow-media-caption{
  position:absolute;
  left:20px;
  right:20px;
  bottom:20px;
  z-index:2;
  background:rgba(10,18,32,.75);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  padding:14px 17px;
  color:var(--body);
  font-size:14px;
}
.flow-media-caption strong{
  color:var(--secondary);
}
.process-list{
  counter-reset:steps;
  margin-top:10px;
}
.process-list li{
  position:relative;
  padding-left:58px;
  padding-bottom:28px;
}
.process-list li::before{
  counter-increment:steps;
  content:"0" counter(steps);
  position:absolute;
  left:0;
  top:-2px;
  width:40px;
  height:40px;
  border-radius:13px;
  background:rgba(62,105,242,.14);
  border:1px solid rgba(62,105,242,.25);
  color:var(--primary-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:14px;
}
.process-list li::after{
  content:"";
  position:absolute;
  left:20px;
  top:44px;
  bottom:0;
  width:1px;
  background:linear-gradient(to bottom,rgba(69,214,196,.5),rgba(255,255,255,.04));
}
.process-list li:last-child::after{
  display:none;
}
.process-list li h3{
  font-size:18px;
  margin-bottom:8px;
  color:#EEF3FA;
}
.process-list li p{
  color:var(--muted);
  font-size:15px;
  margin-bottom:0;
}
.flow-extra{
  margin-top:28px;
  background:rgba(69,214,196,.08);
  border-left:3px solid var(--secondary);
  border-radius:10px;
  padding:14px 18px;
}
.flow-extra p{
  color:#CFE0F1;
  margin-bottom:0;
  font-size:15px;
}
@media(max-width:991.98px){
  .flow-media{
    margin-bottom:37px;
  }
}

/* ===== FAQ ===== */
.faq-section{
  background:#081121;
  border-top:1px solid rgba(255,255,255,.06);
  padding:90px 0;
}
.faq-intro h2{
  font-size:33px;
  font-weight:650;
  margin-bottom:19px;
}
.faq-intro p{
  color:var(--muted);
  font-size:16px;
}
.accordion-item{
  background:#0C1424;
  border:1px solid rgba(255,255,255,.1);
  border-radius:14px !important;
  margin-bottom:13px;
  overflow:hidden;
}
.accordion-item+.accordion-item{
  margin-top:-6px;
}
.accordion-button{
  background:linear-gradient(135deg,#0E1828,#0B1320);
  color:#E9EEF7;
  box-shadow:none !important;
  font-weight:600;
  font-size:16px;
  padding:20px 22px;
  border-radius:14px !important;
  position:relative;
}
.accordion-button::after{
  background:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2345D6C4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") center/18px no-repeat;
}
.accordion-button:not(.collapsed){
  background:#111B2E;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;
  top:20%;
  bottom:20%;
  width:3px;
  border-radius:0 6px 6px 0;
  background:var(--secondary);
}
.accordion-body{
  padding:8px 22px 20px;
  background:#0C1422;
}
.accordion-body p{
  color:var(--muted);
  font-size:15px;
  margin:0;
}
.faq-help{
  margin-top:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  text-align:center;
}
.faq-help p{
  color:var(--faint);
  font-size:14px;
  margin-bottom:15px;
}
@media(max-width:991.98px){
  .faq-intro{
    margin-bottom:26px;
  }
}

/* ===== CTA区 ===== */
.cta-section{
  position:relative;
  padding:90px 0;
  overflow:hidden;
}
.cta-wrap{
  position:relative;
  border-radius:22px;
  background:
    linear-gradient(120deg,rgba(11,30,55,.96),rgba(8,18,32,.98)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border:1px solid rgba(69,214,196,.2);
  box-shadow:0 28px 60px rgba(0,0,0,.38);
  padding:40px;
}
.cta-wrap::after{
  content:"";
  position:absolute;
  right:-100px;
  bottom:-190px;
  width:440px;
  height:440px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(69,214,196,.2),transparent 60%);
  filter:blur(38px);
  pointer-events:none;
}
.cta-kicker{
  color:var(--secondary);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
}
.cta-wrap h2{
  font-size:31px;
  line-height:1.31;
  margin:11px 0 13px;
  position:relative;
  z-index:1;
}
.cta-lead{
  color:var(--muted);
  max-width:540px;
  font-size:16px;
}
.contact-form{
  background:rgba(7,13,22,.72);
  border:1px solid var(--line);
  border-radius:18px;
  padding:21px;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  position:relative;
  z-index:2;
}
.contact-form label{
  display:block;
  color:#C6D2E2;
  font-size:14px;
  margin-bottom:6px;
}
.contact-form input,
.contact-form select{
  width:100%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  color:#fff;
  border-radius:10px;
  padding:11px 14px;
  outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.contact-form input:focus,
.contact-form select:focus{
  border-color:var(--secondary);
  background:rgba(255,255,255,.08);
}
.contact-form select option{
  background:#0A1320;
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:12px;
}
.form-full{
  margin-bottom:14px;
}
.contact-form .btn-main{
  width:100%;
  padding:13px 16px;
  border:0;
}
.form-tip{
  color:var(--faint);
  font-size:12px;
  text-align:center;
  margin-top:12px;
}
@media(max-width:991.98px){
  .cta-wrap{
    padding:28px;
  }
  .cta-wrap h2{
    font-size:25px;
  }
}
@media(max-width:575.98px){
  .form-row{
    grid-template-columns:1fr;
  }
}

/* ===== 页脚 ===== */
.footer{
  background:#04080E;
  border-top:1px solid rgba(255,255,255,.07);
  padding:72px 0 30px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:20px;
  font-weight:700;
  margin-bottom:18px;
  color:#fff;
}
.footer-brand .f-mark{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#0C1B2F;
  border:1px solid rgba(255,255,255,.12);
  border-radius:11px;
  color:var(--secondary);
  font-weight:800;
  font-size:12px;
}
.footer-brand .f-cn{
  color:#fff;
}
.footer-desc{
  color:var(--faint);
  line-height:1.75;
  font-size:14px;
  max-width:360px;
}
.footer h5{
  font-size:15px;
  color:#C7D3E4;
  margin-bottom:17px;
}
.footer ul li{
  margin-bottom:10px;
}
.footer ul a{
  color:var(--faint);
  font-size:14px;
  transition:color .18s ease;
}
.footer ul a:hover{
  color:var(--secondary);
}
.footer-bottom{
  margin-top:42px;
  padding-top:23px;
  border-top:1px solid rgba(255,255,255,.07);
  color:#5D6D85;
  font-size:13px;
}
.friend-links a{
  color:#7A89A1;
  padding-left:4px;
}
.friend-links a:hover{
  color:var(--secondary);
}
@media(max-width:767.98px){
  .footer-bottom .friend-links{
    margin-top:9px;
  }
}

/* ===== 通用调整 ===== */
.bg-grid-light{
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:60px 60px;
}
.mb-sm{
  margin-bottom:14px;
}
.mt-sm{
  margin-top:14px;
}
@media(max-width:767.98px){
  .section-space{
    padding:58px 0;
  }
  .section-heading h2,
  .page-title{
    font-size:27px;
  }
}

/* roulang page: category3 */
:root{
      --page-bg:#060B14;
      --panel-bg:#0C1422;
      --float-bg:rgba(10,18,32,.82);
      --glass-bg:rgba(255,255,255,.045);
      --border-color:rgba(255,255,255,.1);
      --primary:#3E69F2;
      --primary-h:#6390FF;
      --accent:#45D6C4;
      --text-main:#E8EEF7;
      --text-secondary:#A3B1C6;
      --text-weak:#66758E;
      --radius-lg:16px;
      --radius-btn:8px;
      --radius-tag:999px;
      --shadow-card:0 16px 40px rgba(0,0,0,.28);
      --shadow-btn:0 0 0 1px rgba(255,255,255,.06) inset,0 6px 22px rgba(58,95,242,.32);
      --font-cn:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
      --font-en:"Inter","Roboto",system-ui,sans-serif;
      --content-w:1200px;
    }

    *{
      box-sizing:border-box;
      margin:0;
      padding:0;
    }
    html{
      scroll-behavior:smooth;
    }
    body{
      margin:0;
      font-family:var(--font-cn);
      background-color:var(--page-bg);
      color:var(--text-main);
      line-height:1.7;
      font-size:16px;
      letter-spacing:.01em;
      -webkit-font-smoothing:antialiased;
    }
    a{
      color:var(--primary-h);
      text-decoration:none;
      transition:color .25s ease;
    }
    a:hover{
      color:#89a9ff;
    }
    img{
      max-width:100%;
      display:block;
    }
    button{
      font-family:inherit;
    }
    ul,ol{
      list-style:none;
    }
    .container{
      max-width:var(--content-w);
    }

    .site-header{
      position:absolute;
      top:0;
      left:0;
      right:0;
      z-index:1040;
      background:transparent;
      transition:background-color .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
    }
    .site-header.scrolled{
      background:rgba(8,14,26,.6);
      -webkit-backdrop-filter:blur(14px);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 8px 30px rgba(0,0,0,.15);
    }
    .site-header .navbar{
      padding-top:0;
      padding-bottom:0;
      min-height:72px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-family:var(--font-en);
      text-decoration:none;
    }
    .brand-mark{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:46px;
      height:34px;
      padding:0 8px;
      font-size:18px;
      font-weight:800;
      letter-spacing:.06em;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#2854E0);
      border-radius:8px;
      box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
    }
    .brand-cn{
      font-size:18px;
      font-weight:600;
      color:#fff;
      letter-spacing:.04em;
    }
    .site-nav{
      gap:4px;
    }
    .site-nav .nav-item{
      margin:0 2px;
    }
    .site-nav .nav-link{
      color:rgba(232,238,247,.88);
      font-size:15px;
      font-weight:500;
      padding:8px 16px;
      border-radius:var(--radius-tag);
      position:relative;
      letter-spacing:.02em;
      transition:color .25s ease,background .25s ease;
    }
    .site-nav .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .site-nav .nav-link.active{
      color:#fff;
      font-weight:600;
    }
    .site-nav .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;
      bottom:2px;
      width:20px;
      height:3px;
      border-radius:999px;
      background:var(--accent);
    }
    .nav-btn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--primary);
      color:#fff;
      border-radius:var(--radius-btn);
      padding:10px 20px;
      font-size:14px;
      font-weight:600;
      white-space:nowrap;
      box-shadow:0 0 0 1px rgba(255,255,255,.06) inset,0 6px 22px rgba(58,95,242,.32);
      transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
    }
    .nav-btn:hover{
      background:var(--primary-h);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 8px 28px rgba(58,95,242,.4);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.2);
      color:#fff;
      padding:6px 10px;
      border-radius:8px;
      font-size:18px;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 3px rgba(63,90,255,.35);
    }
    @supports not ((backdrop-filter:blur(14px)) or (-webkit-backdrop-filter:blur(14px))){
      .site-header.scrolled{
        background:#0A0E18;
      }
    }

    .page-hero{
      position:relative;
      padding-top:160px;
      padding-bottom:100px;
      min-height:420px;
      background:linear-gradient(135deg,rgba(5,10,20,.90),rgba(8,16,30,.80)),url('/assets/images/backpic/back-1.png') center 30%;
      background-size:cover;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .page-hero .hero-bg-glow{
      position:absolute;
      border-radius:50%;
      filter:blur(80px);
      opacity:.16;
      pointer-events:none;
    }
    .page-hero .glow-one{
      width:360px;
      height:220px;
      background:#3E69F2;
      top:24%;
      right:12%;
    }
    .page-hero .glow-two{
      width:200px;
      height:200px;
      background:#45D6C4;
      bottom:-90px;
      left:8%;
      opacity:.10;
    }
    .crumb{
      font-size:14px;
      color:var(--text-secondary);
      margin-bottom:14px;
      letter-spacing:.02em;
    }
    .crumb a{
      color:var(--text-secondary);
      font-size:14px;
    }
    .crumb a:hover{
      color:var(--text-main);
    }
    .crumb span{
      margin:0 10px;
      opacity:.5;
    }
    .page-hero h1{
      font-size:44px;
      line-height:1.25;
      font-weight:700;
      margin:0 0 18px;
      letter-spacing:-.01em;
    }
    .page-hero h1 .keyword{
      background:linear-gradient(135deg,#fff,#AFC7FF);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-subtitle{
      font-size:17px;
      color:rgba(200,212,230,.78);
      max-width:600px;
      line-height:1.8;
      margin-bottom:22px;
      font-weight:400;
    }
    .hero-meta-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .hero-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.05);
      color:#D5DFF0;
      border-radius:999px;
      padding:5px 14px;
      font-size:13px;
      letter-spacing:.03em;
    }
    .hero-tag i{
      color:var(--accent);
      font-size:12px;
    }

    .section{
      padding:100px 0;
    }
    .section-alt{
      background:var(--panel-bg);
    }
    .section-top{
      margin-bottom:46px;
    }
    .section-top .overline{
      color:var(--accent);
      font-size:14px;
      font-weight:600;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .section-top h2{
      font-size:34px;
      margin:8px 0 10px;
      font-weight:700;
      line-height:1.3;
    }
    .section-top p{
      color:var(--text-secondary);
      font-size:16px;
      max-width:640px;
    }

    .main-area{
      position:relative;
    }
    .info-side{
      padding-right:32px;
    }
    .info-article p{
      color:var(--text-secondary);
      line-height:2;
      margin-bottom:24px;
      font-size:16px;
    }
    .info-article strong{
      color:#fff;
      font-weight:600;
    }
    .mini-block-title{
      font-size:16px;
      font-weight:700;
      color:#fff;
      margin:36px 0 20px;
      padding-bottom:12px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .point-list{
      display:flex;
      flex-direction:column;
      gap:14px;
      margin-bottom:28px;
    }
    .point-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .point-ico{
      width:28px;
      height:28px;
      flex:0 0 28px;
      border-radius:8px;
      background:rgba(62,105,242,.16);
      color:var(--primary-h);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      margin-top:2px;
    }
    .point-item h3{
      font-size:16.5px;
      color:#fff;
      margin-bottom:2px;
      font-weight:600;
    }
    .point-item p{
      font-size:15px;
      line-height:1.8;
      margin-bottom:0;
    }

    .float-side{
      padding-left:16px;
    }
    .float-card{
      background:rgba(255,255,255,.05);
      -webkit-backdrop-filter:blur(12px);
      backdrop-filter:blur(12px);
      border:1px solid var(--border-color);
      border-radius:var(--radius-lg);
      padding:28px;
      margin-bottom:22px;
      box-shadow:var(--shadow-card);
      position:relative;
    }
    @supports not (backdrop-filter:blur(12px)){
      .float-card{
        background:#0C1624;
      }
    }
    .float-card::before{
      content:"";
      display:block;
      height:1px;
      background:linear-gradient(90deg,rgba(255,255,255,.16),transparent);
      position:absolute;
      top:0;
      left:24px;
      right:24px;
    }
    .card-label{
      font-size:13px;
      letter-spacing:.14em;
      text-transform:uppercase;
      color:#8EA1BC;
      margin-bottom:8px;
      font-weight:600;
    }
    .card-title{
      font-size:22px;
      color:#fff;
      font-weight:700;
      margin-bottom:14px;
    }
    .icon-summary-list{
      display:flex;
      flex-direction:column;
      gap:16px;
      margin:16px 0 6px;
    }
    .icon-summary-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--text-secondary);
      font-size:15px;
      line-height:1.7;
    }
    .icon-summary-list li i{
      width:22px;
      height:22px;
      margin-top:5px;
      text-align:center;
      font-size:14px;
      color:var(--accent);
      flex:0 0 22px;
    }
    .step-vertical{
      display:flex;
      flex-direction:column;
      gap:0;
      margin-top:14px;
      margin-bottom:6px;
    }
    .step-v-item{
      display:flex;
      gap:14px;
      position:relative;
      padding-bottom:22px;
    }
    .step-v-item:last-child{
      padding-bottom:0;
    }
    .step-v-item:not(:last-child)::after{
      content:"";
      position:absolute;
      left:19px;
      top:38px;
      bottom:6px;
      width:1px;
      border-left:1px dashed rgba(255,255,255,.16);
    }
    .step-num{
      width:38px;
      height:38px;
      flex:0 0 38px;
      border-radius:10px;
      background:rgba(62,105,242,.15);
      border:1px solid rgba(62,105,242,.3);
      color:#AAC1FF;
      font-weight:700;
      font-size:15px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-family:var(--font-en);
    }
    .step-v-item h4{
      margin:0 0 4px;
      font-size:16px;
      color:#fff;
      font-weight:600;
    }
    .step-v-item p{
      color:var(--text-secondary);
      font-size:14px;
      line-height:1.75;
      margin-bottom:0;
    }
    .noot-card{
      background:#0D1626;
      border-radius:14px;
      padding:20px 18px;
      border:1px solid rgba(255,255,255,.06);
    }
    .noot-card h6{
      font-size:15px;
      color:#fff;
      margin-bottom:10px;
      font-weight:600;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .noot-card h6 i{
      color:#FFC164;
      font-size:15px;
    }
    .noot-card ul{
      margin-bottom:0;
    }
    .noot-card li{
      font-size:14px;
      color:var(--text-secondary);
      line-height:1.9;
      position:relative;
      padding-left:14px;
    }
    .noot-card li::before{
      content:"·";
      position:absolute;
      left:2px;
      color:var(--accent);
      font-weight:700;
      font-size:18px;
      top:-1px;
    }

    .scene-section{
      background:#070D17;
      border-top:1px solid rgba(255,255,255,.05);
      border-bottom:1px solid rgba(255,255,255,.05);
    }
    .scene-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:28px;
    }
    .scene-card{
      background:var(--panel-bg);
      border-radius:var(--radius-lg);
      padding:34px 32px;
      border:1px solid rgba(255,255,255,.06);
      box-shadow:0 10px 30px rgba(0,0,0,.18);
      transition:transform .25s ease,border-color .25s ease;
    }
    .scene-card:hover{
      transform:translateY(-4px);
      border-color:rgba(62,105,242,.4);
    }
    .scene-card .icon-badge{
      width:46px;
      height:46px;
      border-radius:12px;
      background:rgba(62,105,242,.15);
      color:var(--primary-h);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:19px;
      margin-bottom:20px;
    }
    .scene-card h3{
      font-size:20px;
      color:#fff;
      font-weight:600;
      margin-bottom:10px;
    }
    .scene-card p{
      color:var(--text-secondary);
      font-size:15px;
      line-height:1.85;
      margin-bottom:18px;
    }
    .scene-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .scene-tag{
      background:rgba(69,214,196,.08);
      color:var(--accent);
      border:1px solid rgba(69,214,196,.2);
      font-size:12.5px;
      padding:4px 12px;
      border-radius:999px;
      letter-spacing:.02em;
    }

    .ticket-entry{
      background:
        radial-gradient(ellipse at right bottom,rgba(62,105,242,.15),transparent 50%),
        radial-gradient(ellipse at left top,rgba(69,214,196,.08),transparent 40%),
        #060D18;
      border-top:1px solid rgba(255,255,255,.07);
      border-bottom:1px solid rgba(255,255,255,.07);
      padding:0;
    }
    .ticket-inner{
      display:grid;
      grid-template-columns:1fr 220px;
      gap:30px;
      padding:50px 0;
      align-items:center;
    }
    .tick-left h2{
      color:#fff;
      font-size:28px;
      font-weight:700;
      line-height:1.4;
      margin-bottom:12px;
    }
    .tick-left p{
      color:var(--text-secondary);
      font-size:15px;
      margin-bottom:22px;
      max-width:620px;
      line-height:1.8;
    }
    .btn-primary{
      background:var(--primary);
      border:1px solid rgba(255,255,255,.1);
      color:#fff!important;
      font-weight:600;
      border-radius:var(--radius-btn);
      padding:12px 26px;
      font-size:16px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      box-shadow:var(--shadow-btn);
      transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .btn-primary:hover{
      background:var(--primary-h);
      transform:translateY(-2px);
      color:#fff;
      box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 10px 28px rgba(58,95,242,.46);
    }
    .btn-ghost{
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      font-weight:500;
      border-radius:var(--radius-btn);
      padding:12px 24px;
      font-size:15px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      transition:border-color .25s ease,background .25s ease,transform .25s ease;
    }
    .btn-ghost:hover{
      border-color:rgba(255,255,255,.4);
      background:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-2px);
    }
    .btn-light{
      background:#fff;
      color:#152032!important;
      font-weight:600;
      border-radius:var(--radius-btn);
      padding:12px 28px;
      font-size:15px;
      border:none;
      transition:transform .2s ease,box-shadow .2s ease;
    }
    .btn-light:hover{
      transform:translateY(-2px);
      color:#152032;
      box-shadow:0 12px 30px rgba(255,255,255,.18);
    }

    .faq-main{
      background:#08101C;
    }
    .faq-title-side h2{
      font-size:34px;
      font-weight:700;
      margin:10px 0 12px;
    }
    .faq-title-side p{
      font-size:15px;
      line-height:1.9;
      color:var(--text-secondary);
    }
    .faq-list{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .faq-item{
      background:linear-gradient(180deg,#0D1626,#0B1420);
      border-radius:12px;
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
      transition:border-color .25s ease;
    }
    .faq-item.is-expanded{
      border-color:rgba(62,105,242,.35);
      background:#0A111F;
    }
    .faq-q{
      width:100%;
      background:none;
      border:none;
      padding:19px 22px;
      text-align:left;
      color:#EAF0F9;
      font-size:16px;
      font-weight:600;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      border-radius:12px;
      font-family:var(--font-cn);
    }
    .faq-q:focus-visible{
      outline:2px solid var(--primary-h);
      outline-offset:-2px;
    }
    .faq-q .icons{
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 26px;
    }
    .faq-q .faq-plus{
      color:var(--accent);
      font-size:14px;
    }
    .faq-q .faq-plus.is-open{
      display:none;
    }
    .faq-q .faq-minus{
      color:var(--accent);
      font-size:14px;
      display:none;
    }
    .faq-q .faq-minus.is-open{
      display:inline-block;
    }
    .faq-item.is-expanded .faq-q{
      color:#fff;
      position:relative;
    }
    .faq-item.is-expanded .faq-q::before{
      content:"";
      position:absolute;
      left:0;
      top:50%;
      transform:translateY(-50%);
      width:3px;
      height:20px;
      border-radius:3px;
      background:var(--primary);
      opacity:.8;
    }
    .faq-a{
      padding:0 22px 20px;
    }
    .faq-a p{
      color:var(--text-secondary);
      font-size:15px;
      line-height:1.85;
      border-left:2px solid rgba(62,105,242,.5);
      padding-left:16px;
      margin-left:4px;
    }
    .collapse{
      transition:height .35s cubic-bezier(.4,0,.2,1);
    }

    .cta-section{
      padding:86px 0;
      background:#0B1424;
      position:relative;
      overflow:hidden;
    }
    .cta-section::before{
      content:"";
      position:absolute;
      width:100%;
      height:100%;
      left:0;
      top:0;
      background:
        radial-gradient(circle at 70% 20%,rgba(62,105,242,.18),transparent 42%),
        radial-gradient(circle at 20% 70%,rgba(69,214,196,.12),transparent 30%);
      pointer-events:none;
    }
    .cta-box{
      position:relative;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
      border-top-color:rgba(255,255,255,.2);
      border-radius:var(--radius-lg);
      padding:52px 42px;
      text-align:center;
    }
    .cta-box h2{
      font-size:34px;
      color:#fff;
      margin:0 0 16px;
      font-weight:700;
    }
    .cta-box p{
      font-size:16px;
      color:var(--text-secondary);
      max-width:520px;
      margin:0 auto 32px;
      line-height:1.9;
    }
    .cta-box .btn-group-c{
      display:flex;
      gap:14px;
      justify-content:center;
      flex-wrap:wrap;
    }

    .footer{
      background:#04080F;
      border-top:1px solid rgba(255,255,255,.05);
      padding-top:64px;
      padding-bottom:26px;
    }
    .footer .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-size:20px;
      font-weight:700;
      font-family:var(--font-en);
      margin-bottom:14px;
    }
    .footer .f-mark{
      width:44px;
      height:32px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:var(--primary);
      border-radius:7px;
      font-size:16px;
      letter-spacing:.05em;
      box-shadow:0 0 0 1px rgba(255,255,255,.14) inset;
    }
    .footer .f-cn{
      font-family:var(--font-cn);
    }
    .footer-desc{
      color:var(--text-secondary);
      font-size:14px;
      line-height:1.9;
      margin-bottom:0;
    }
    .footer h5{
      color:#fff;
      font-size:16px;
      font-weight:600;
      margin-bottom:20px;
    }
    .footer ul{
      padding:0;
      margin:0;
    }
    .footer li{
      margin-bottom:8px;
    }
    .footer li a{
      color:var(--text-secondary);
      font-size:14px;
      line-height:1.9;
      transition:color .25s ease;
    }
    .footer li a:hover{
      color:#fff;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.06);
      margin-top:50px;
      padding-top:22px;
    }
    .footer-bottom span{
      color:var(--text-weak);
      font-size:13px;
    }
    .friend-links{
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
    }
    .friend-links a{
      color:var(--text-secondary);
      font-size:13px;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .friend-links a:hover{
      color:#fff;
    }

    .cta-card{
      background:linear-gradient(135deg,rgba(62,105,242,.16),rgba(20,120,240,.06));
      padding:28px 26px;
      border-radius:16px;
      border:1px solid rgba(62,105,242,.2);
      margin:32px 0 4px;
      color:var(--text-secondary);
      font-size:15px;
      line-height:1.9;
    }
    .cta-card .btn-wrap{
      margin-top:18px;
    }
    .cta-card p{
      color:var(--text-secondary);
      margin-bottom:0;
    }
    .cta-card .strong-text{
      color:#fff;
      font-weight:600;
      font-size:15px;
      display:block;
      margin-bottom:4px;
    }
    @media (max-width:1199px){
      .float-side{
        padding-left:0;
      }
      .main-area .col-lg-7{
        padding-right:16px;
      }
    }
    @media (max-width:991px){
      .page-hero{
        min-height:auto;
        padding-top:130px;
        padding-bottom:76px;
      }
      .site-header .navbar-collapse{
        background:rgba(6,14,28,.96);
        border-radius:0 0 16px 16px;
        padding:20px 14px;
        border-left:1px solid rgba(255,255,255,.06);
        border-right:1px solid rgba(255,255,255,.06);
        border-bottom:1px solid rgba(255,255,255,.06);
        margin-top:10px;
      }
      .site-nav{
        align-items:flex-start!important;
        margin:10px 0;
      }
      .nav-btn{
        margin-top:6px;
        width:100%;
        justify-content:center;
      }
      .info-side{
        padding-right:0;
        margin-bottom:40px;
      }
      .float-side{
        padding-left:0;
      }
      .float-card{
        margin-bottom:18px;
      }
      .ticket-inner{
        grid-template-columns:1fr;
        gap:24px;
        padding:40px 0;
        text-align:center;
        justify-items:center;
      }
      .tick-left p{
        margin-left:auto;
        margin-right:auto;
      }
      .scene-grid{
        grid-template-columns:1fr;
      }
      .cta-box{
        padding:40px 24px;
      }
      .cta-box h2{
        font-size:28px;
      }
    }
    @media (max-width:767px){
      .section{
        padding:60px 0;
      }
      .page-hero{
        padding-top:120px;
        padding-bottom:56px;
      }
      .page-hero h1{
        font-size:30px;
      }
      .hero-subtitle{
        font-size:16px;
      }
      .section-top h2{
        font-size:26px;
      }
      .float-card{
        padding:22px 20px;
      }
    }
    @media (max-width:575px){
      .page-hero{
        padding-top:110px;
      }
      .page-hero h1{
        font-size:27px;
      }
      .hero-tag{
        font-size:12px;
        padding:4px 10px;
      }
      .hero-subtitle{
        font-size:15px;
      }
      .btn-group-c{
        flex-direction:column;
        width:100%;
      }
      .btn-group-c .btn-primary,
      .btn-group-c .btn-ghost,
      .btn-group-c .btn-light{
        width:100%;
        justify-content:center;
      }
      .cta-box{
        padding:32px 16px;
      }
      .cta-box h2{
        font-size:24px;
      }
      .section-top h2{
        font-size:24px;
      }
    }

/* roulang page: category2 */
:root {
      --page-bg: #060B14;
      --panel-bg: #0C1422;
      --float-bg: rgba(10, 18, 32, 0.82);
      --glass-bg: rgba(255, 255, 255, 0.045);
      --line: rgba(255, 255, 255, 0.1);
      --primary: #3E69F2;
      --primary-bright: #6390FF;
      --accent: #45D6C4;
      --text-main: #E8EEF7;
      --text-sub: #A3B1C6;
      --text-weak: #66758E;
      --radius-lg: 16px;
      --radius-sm: 8px;
      --shadow: 0px 16px 40px rgba(0, 0, 0, 0.28);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--page-bg);
      color: var(--text-main);
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, "Inter", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      letter-spacing: 0.01em;
      -webkit-font-smoothing: antialiased;
    }

    body.lock {
      overflow: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: #fff;
      margin-top: 0;
      font-weight: 700;
      line-height: 1.3;
    }

    p {
      margin-top: 0;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    a:hover {
      color: #fff;
    }

    img {
      max-width: 100%;
    }

    ul {
      margin: 0;
      padding: 0;
    }

    ::selection {
      background: rgba(62, 105, 242, .6);
      color: #fff;
    }

    .container {
      max-width: 1200px;
    }

    .site-section {
      padding: 90px 0;
      position: relative;
    }

    .site-section.tight-section {
      padding: 60px 0;
    }

    .sec-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.5;
      background: rgba(69, 214, 196, .08);
      border: 1px solid rgba(69, 214, 196, .26);
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 20px;
      letter-spacing: .04em;
    }

    .sec-tag.light {
      color: var(--accent);
    }

    .sec-title {
      font-size: 34px;
      line-height: 1.38;
      margin-bottom: 16px;
    }

    .sec-title small {
      display: block;
      color: var(--text-sub);
      font-size: 18px;
      font-weight: 400;
      margin-top: 14px;
      line-height: 1.8;
    }

    .text-weak {
      color: var(--text-weak);
    }

    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: var(--primary);
      color: #fff;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      padding: 14px 28px;
      font-weight: 600;
      font-size: 16px;
      line-height: 1.4;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06), 0 6px 22px rgba(58, 95, 242, .32);
      transition: transform .22s ease, background .22s ease, box-shadow .22s ease;
    }

    .btn-main:hover {
      color: #fff;
      background: var(--primary-bright);
      transform: translateY(-2px);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1), 0 10px 28px rgba(58, 95, 242, .42);
    }

    .btn-main:focus-visible,
    .btn-ghost:focus-visible,
    .nav-btn:focus-visible {
      outline: 3px solid rgba(99, 144, 255, .55);
      outline-offset: 3px;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: rgba(255, 255, 255, .02);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: var(--radius-sm);
      padding: 13px 26px;
      font-weight: 600;
      transition: transform .22s ease, background .22s ease, border-color .22s ease;
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, .08);
      border-color: rgba(255, 255, 255, .48);
      transform: translateY(-2px);
      color: #fff;
    }

    .site-header {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      z-index: 1050;
      border-bottom: 1px solid transparent;
      transition: background .25s, box-shadow .25s, border-color .25s;
    }

    .site-header.is-scrolled {
      position: fixed;
      background: rgba(8, 14, 26, .96);
      border-bottom: 1px solid rgba(255, 255, 255, .12);
      box-shadow: 0 8px 30px rgba(0, 0, 0, .22);
      backdrop-filter: blur(14px);
    }

    @supports not ((backdrop-filter: blur(14px)) or (-webkit-backdrop-filter: blur(14px))) {
      .site-header.is-scrolled {
        background: rgba(8, 14, 26, .98);
      }
    }

    .navbar {
      position: relative;
      padding: 18px 0;
      transition: padding .25s ease;
    }

    .site-header.is-scrolled .navbar {
      padding: 12px 0;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      z-index: 1060;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: #fff;
      font-size: 17px;
      font-weight: 800;
      font-family: "Inter", "PingFang SC", sans-serif;
      border-radius: 12px;
      letter-spacing: -.2px;
      box-shadow: 0 8px 20px rgba(62, 105, 242, .35);
    }

    .brand-cn {
      color: #fff;
      font-size: 22px;
      font-weight: 700;
    }

    .site-nav {
      gap: 4px;
    }

    .site-nav .nav-link {
      position: relative;
      color: rgba(255, 255, 255, .72);
      font-size: 16px;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 8px;
      transition: color .2s;
    }

    .site-nav .nav-link:hover,
    .site-nav .nav-link:focus {
      color: #fff;
    }

    .site-nav .nav-link.active {
      color: #fff;
    }

    .site-nav .nav-link.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--primary-bright);
    }

    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(255, 255, 255, .18);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      padding: 9px 18px;
      white-space: nowrap;
      border-radius: 8px;
      transition: background .2s, border-color .2s, color .2s;
    }

    .nav-btn:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      transform: translateY(-1px);
    }

    .navbar-toggler {
      border: 1px solid rgba(255, 255, 255, .24);
      border-radius: 8px;
      padding: 8px 11px;
      color: #fff;
      line-height: 1;
    }

    .navbar-toggler:focus,
    .navbar-toggler:focus-visible {
      outline: 2px solid rgba(255, 255, 255, .48);
      box-shadow: none;
    }

    .navbar-toggler i {
      font-size: 20px;
    }

    .page-hero {
      position: relative;
      display: flex;
      align-items: center;
      min-height: 450px;
      padding: 168px 0 78px;
      background: #071120;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      transform: scale(1.02);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(5, 10, 22, .82) 0%, rgba(5, 10, 20, .64) 50%, rgba(5, 10, 20, .76) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 920px;
      margin-left: 0;
    }

    .breadcrumb {
      display: inline-flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 4px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .14);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 14px;
      color: rgba(255, 255, 255, .72);
      margin-bottom: 26px;
      line-height: 1.6;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, .9);
    }

    .breadcrumb a:hover {
      color: var(--primary-bright);
    }

    .breadcrumb-sep {
      margin: 0 6px;
      color: rgba(255, 255, 255, .5);
    }

    .hero-content h1 {
      font-size: 42px;
      line-height: 1.38;
      max-width: 820px;
      margin-bottom: 18px;
    }

    .hero-content p {
      color: var(--text-sub);
      max-width: 760px;
      margin-bottom: 25px;
      font-size: 18px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding-left: 0;
      list-style: none;
      margin-bottom: 0;
    }

    .hero-tags li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 999px;
      color: rgba(255, 255, 255, .82);
      font-size: 14px;
      padding: 7px 14px;
    }

    .hero-tags li i {
      color: var(--accent);
    }

    .checklist-section {
      background: linear-gradient(180deg, rgba(255, 255, 255, .01), rgba(255, 255, 255, .0));
      border-bottom: 1px solid rgba(255, 255, 255, .07);
    }

    .security-grid {
      margin-top: 30px;
    }

    .security-card {
      background: var(--panel-bg);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: var(--radius-lg);
      padding: 28px;
      height: 100%;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: border-color .2s, transform .2s;
    }

    .security-card:hover {
      transform: translateY(-3px);
    }

    .security-card:before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: var(--accent);
      opacity: 0;
    }

    .security-card:hover:before {
      opacity: 1;
    }

    .security-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      margin-bottom: 20px;
      border-radius: 13px;
      background: rgba(62, 105, 242, .16);
      border: 1px solid rgba(62, 105, 242, .3);
      color: var(--primary-bright);
      font-size: 20px;
    }

    .security-card h3 {
      font-size: 19px;
      color: #fff;
      margin-bottom: 12px;
    }

    .security-card p {
      color: var(--text-sub);
      font-size: 15px;
      margin-bottom: 0;
    }

    .feature-roster {
      background: rgba(255, 255, 255, .012);
      border-bottom: 1px solid rgba(255, 255, 255, .07);
    }

    .feature-block {
      padding: 20px 0 35px;
    }

    .feature-media {
      position: relative;
      display: block;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .feature-media img {
      width: 100%;
      height: 390px;
      object-fit: cover;
    }

    .feature-media:before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 55%;
      background: linear-gradient(transparent, rgba(5, 10, 20, .45));
    }

    .media-chip {
      position: absolute;
      left: 18px;
      bottom: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      background: rgba(10, 18, 32, .72);
      border: 1px solid rgba(255, 255, 255, .18);
      padding: 7px 14px;
      border-radius: 999px;
      font-size: 14px;
      z-index: 2;
      backdrop-filter: blur(8px);
    }

    .feature-block .lead {
      color: var(--text-sub);
      font-size: 17px;
    }

    .check-list {
      list-style: none;
      margin: 24px 0 0;
      display: grid;
      gap: 16px;
    }

    .check-list li {
      position: relative;
      padding-left: 36px;
      color: var(--text-main);
      font-size: 15px;
    }

    .check-list li i.ci {
      position: absolute;
      left: 0;
      top: 3px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(69, 214, 196, .2);
      color: var(--accent);
      font-size: 11px;
      line-height: 1;
    }

    .warn-list {
      list-style: none;
      display: grid;
      gap: 15px;
      margin: 24px 0 0;
    }

    .warn-list li {
      position: relative;
      padding-left: 38px;
      color: rgba(255, 255, 255, .84);
      font-size: 15px;
    }

    .warn-list li i {
      position: absolute;
      left: 0;
      top: 4px;
      width: 26px;
      height: 26px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(255, 149, 0, .15);
      border: 1px solid rgba(255, 149, 0, .45);
      color: #ffa84d;
      font-size: 12px;
      line-height: 1;
    }

    .process-zone {
      background: linear-gradient(180deg, rgba(255, 255, 255, .016), var(--page-bg));
      overflow: hidden;
    }

    .process-wrap {
      position: relative;
    }

    .process-step {
      position: relative;
      height: 100%;
      padding: 32px 28px;
      background: var(--panel-bg);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      transition: transform .25s, border-color .25s;
      z-index: 2;
    }

    .process-step:hover {
      transform: translateY(-4px);
      border-color: rgba(99, 144, 255, .55);
    }

    .step-num {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      font-family: "Inter", sans-serif;
      font-size: 18px;
      font-weight: 700;
      border-radius: 12px;
      margin-bottom: 20px;
      box-shadow: 0 0 0 6px rgba(62, 105, 242, .14);
    }

    .process-step h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .process-step p {
      color: var(--text-sub);
      font-size: 15px;
      margin-bottom: 0;
    }

    .process-arrow {
      position: absolute;
      top: 50%;
      right: -18px;
      transform: translateY(-50%);
      color: var(--accent);
      font-size: 18px;
      opacity: .75;
      z-index: 3;
    }

    .scene-wrap {
      margin-top: 30px;
    }

    .scene-row {
      display: flex;
      align-items: stretch;
      gap: 14px;
      padding: 23px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, .14);
    }

    .scene-row:last-child {
      border-bottom: 0;
    }

    .scene-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255, 255, 255, .18);
      background: rgba(255, 255, 255, .03);
      color: var(--accent);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      flex-shrink: 0;
      font-family: "Inter", sans-serif;
      font-weight: 600;
    }

    .scene-content {
      flex: 1;
      min-width: 0;
    }

    .scene-content h3 {
      font-size: 19px;
      margin: 0 0 7px;
    }

    .scene-content p {
      margin: 0 0 9px;
      color: var(--text-sub);
      font-size: 15px;
    }

    .scene-tip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(69, 214, 196, .08);
      color: var(--accent);
      border-radius: 999px;
      padding: 5px 15px;
      font-size: 13px;
    }

    .faq-zone {
      background: rgba(255, 255, 255, .014);
      border-top: 1px solid rgba(255, 255, 255, .08);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .faq-intro .lead-text {
      color: var(--text-sub);
      font-size: 18px;
      line-height: 2;
      margin: 0;
    }

    .faq-list {
      display: grid;
      gap: 16px;
    }

    .accordion-item {
      background: #0D1626;
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 14px;
      overflow: hidden;
      transition: border-color .2s;
    }

    .accordion-item:not(:first-of-type),
    .accordion-item:first-of-type .accordion-button {
      border-top: 0;
      border-radius: 0;
    }

    .accordion-button {
      background: #0D1626;
      color: #fff;
      font-size: 17px;
      font-weight: 600;
      padding: 20px 28px;
      box-shadow: none;
      position: relative;
      line-height: 1.6;
      border-radius: 0 !important;
    }

    .accordion-button:hover {
      background: #111C31;
      color: #fff;
    }

    .accordion-button:not(.collapsed) {
      background: #101C33;
      color: #fff;
      box-shadow: inset 3px 0 0 var(--primary);
    }

    .accordion-button:focus {
      box-shadow: none;
      border: 0;
    }

    .accordion-button:focus-visible {
      outline: 2px solid var(--primary-bright);
      outline-offset: -2px;
    }

    .accordion-button::after {
      background-image: none;
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      width: auto;
      height: auto;
      font-size: 15px;
      color: var(--text-sub);
      transform: rotate(0);
      margin-left: 18px;
      opacity: .8;
      transition: transform .25s, color .25s;
      flex-shrink: 0;
    }

    .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
      color: var(--accent);
    }

    .accordion-body {
      background: #0B1524;
      color: var(--text-sub);
      border-top: 1px solid rgba(255, 255, 255, .06);
      padding: 22px 28px;
      font-size: 15px;
    }

    .cta-zone {
      padding: 90px 0;
      background: linear-gradient(180deg, #07142A, #0A0F1D);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .cta-panel {
      position: relative;
      background: rgba(255, 255, 255, .03);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 24px;
      padding: 54px 40px;
      text-align: center;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .cta-panel:before {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      right: -120px;
      top: -120px;
      background: radial-gradient(closest-side, rgba(62, 105, 242, .45), transparent);
      filter: blur(50px);
      pointer-events: none;
    }

    .cta-panel:after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      left: -120px;
      bottom: -130px;
      background: radial-gradient(closest-side, rgba(69, 214, 196, .15), transparent);
      filter: blur(50px);
      pointer-events: none;
    }

    .cta-panel h2 {
      position: relative;
      z-index: 2;
      font-size: 34px;
      margin-bottom: 18px;
    }

    .cta-panel p {
      position: relative;
      z-index: 2;
      color: var(--text-sub);
      max-width: 660px;
      margin: 0 auto 32px;
      font-size: 17px;
    }

    .cta-actions {
      position: relative;
      z-index: 2;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer {
      background: #030812;
      padding: 76px 0 0;
      border-top: 1px solid rgba(255, 255, 255, .06);
      color: var(--text-sub);
    }

    .footer .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 20px;
    }

    .footer .f-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      border-radius: 11px;
      font-family: "Inter", sans-serif;
    }

    .footer .f-cn {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
    }

    .footer-desc {
      max-width: 340px;
      color: var(--text-sub);
      font-size: 15px;
      line-height: 2;
      margin-bottom: 0;
    }

    .footer h5 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 16px;
      font-weight: 600;
    }

    .footer ul {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .footer ul a {
      color: var(--text-sub);
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .footer ul a:hover {
      color: #fff;
    }

    .footer ul a i {
      color: var(--accent);
      font-size: 10px;
    }

    .footer-bottom {
      margin-top: 55px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 20px 0;
      color: var(--text-weak);
      font-size: 14px;
    }

    .friend-links a {
      color: var(--text-weak);
      text-decoration: underline;
    }

    .friend-links a:hover {
      color: #fff;
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(78vw, 360px);
        background: #0A121F;
        border-left: 1px solid rgba(255, 255, 255, .09);
        padding: 86px 28px 26px;
        z-index: 1050;
        overflow-y: auto;
        box-shadow: -12px 0 40px rgba(0, 0, 0, .3);
      }

      .navbar-collapse.collapsing,
      .navbar-collapse.show {
        display: block;
      }

      .site-nav {
        margin: 0 0 30px;
        align-items: stretch !important;
        flex-direction: column;
      }

      .site-nav .nav-link {
        display: block;
        padding: 13px 6px;
        font-size: 17px;
        border-bottom: 1px solid rgba(255, 255, 255, .07);
        border-radius: 0;
        margin: 0;
        min-height: 50px;
        color: rgba(255, 255, 255, .85);
      }

      .site-nav .nav-link.active::after {
        left: 0;
        right: auto;
        width: 16px;
        height: 3px;
        bottom: -1px;
      }

      .nav-btn {
        width: 100%;
        justify-content: center;
        padding: 13px;
        font-size: 16px;
      }

      .menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(4, 8, 16, .72);
        z-index: 1049;
        opacity: 0;
        visibility: hidden;
        transition: opacity .2s;
      }

      .menu-overlay.show {
        opacity: 1;
        visibility: visible;
      }

      .brand-logo {
        position: relative;
        z-index: 1052;
      }

      .navbar-toggler {
        position: relative;
        z-index: 1052;
      }

      .hero-content h1 {
        font-size: 34px;
      }

      .hero-content p {
        font-size: 16px;
      }

      .footer-desc {
        max-width: none;
      }
    }

    @media (max-width: 767.98px) {
      .site-section,
      .cta-zone {
        padding: 56px 0;
      }

      .sec-title {
        font-size: 28px;
      }

      .cta-panel h2 {
        font-size: 26px;
      }

      .feature-media img {
        height: 260px;
      }

      .page-hero {
        min-height: 450px;
        padding: 135px 0 55px;
      }

      .hero-content h1 {
        font-size: 30px;
      }

      .hero-content p {
        font-size: 15px;
      }

      .wrapper {
        padding-right: 16px;
        padding-left: 16px;
      }

      .process-arrow {
        display: none;
      }

      .scene-index {
        width: 42px;
        height: 42px;
        font-size: 14px;
      }

      .cta-panel {
        padding: 40px 24px;
      }

      .cta-actions .btn-main,
      .cta-actions .btn-ghost {
        width: 100%;
      }

      .accordion-button {
        padding: 17px 18px;
        font-size: 16px;
      }

      .accordion-body {
        padding: 18px;
      }
    }

    @media (max-width: 575.98px) {
      .site-header .navbar {
        padding: 12px 0;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 15px;
        border-radius: 10px;
      }

      .brand-cn {
        font-size: 19px;
      }

      .nav-btn {
        font-size: 14px;
        padding: 7px 14px;
      }

      .hero-tags li {
        font-size: 13px;
        padding: 5px 11px;
      }

      .security-card {
        padding: 22px;
      }

      .footer {
        padding-top: 56px;
      }
    }