/* roulang page: index */
:root{
  --c-primary:#3E2FA8;
  --c-primary-deep:#241A56;
  --c-primary-soft:#4B3BD6;
  --c-teal:#4FD1C5;
  --c-gold:#FFC46B;
  --c-ink:#14122B;
  --c-text:#3A3852;
  --c-muted:#7C7A96;
  --c-bg:#F7F7FC;
  --c-bg-alt:#F1F0FA;
  --c-white:#FFFFFF;
  --c-line:#E3E1F0;
  --grad-brand:linear-gradient(120deg,#241A56 0%,#4B3BD6 55%,#7A6BFF 100%);
  --grad-soft:linear-gradient(120deg,#3E2FA8 0%,#6D5CF0 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-sm:0 4px 14px rgba(36,26,86,.06);
  --shadow-md:0 12px 32px rgba(36,26,86,.10);
  --shadow-lg:0 20px 48px rgba(36,26,86,.16);
  --container:1200px;
  --ease:.28s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.25}
h1{font-size:clamp(28px,4.4vw,54px)}
h2{font-size:clamp(22px,3vw,34px)}
h3{font-size:20px}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-teal);outline-offset:2px}
img{max-width:100%;display:block;border:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--c-white)}
.section--tint{background:var(--c-bg-alt)}
.section-head{max-width:720px;margin:0 0 44px}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-primary);
  background:rgba(91,75,255,.09);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;font-weight:600;
}
.eyebrow i{font-size:12px;color:var(--c-teal)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(62,47,168,.28)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 14px 30px rgba(62,47,168,.36);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(62,47,168,.3)}
.btn-ghost{border:1.5px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(62,47,168,.08);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-primary);
}
.text-link i{transition:transform var(--ease)}
.text-link:hover{color:var(--c-primary-soft)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 22px rgba(36,26,86,.07)}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(62,47,168,.3);
}
.brand-text{display:flex;align-items:baseline;gap:4px;font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:.01em}
.brand-sub{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--c-primary-soft);text-transform:lowercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--c-text);
}
.nav-link:hover{color:var(--c-primary);background:rgba(62,47,168,.07)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad-soft);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:9px;
  height:42px;padding:0 16px;border-radius:999px;
  background:var(--c-bg-alt);border:1px solid transparent;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.search-box i{color:var(--c-muted);font-size:14px}
.search-box input{
  border:0;background:transparent;outline:none;width:172px;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:var(--c-muted)}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(62,47,168,.11)}
.link-btn{font-size:15px;font-weight:600;color:var(--c-text);padding:8px 6px;border-radius:8px}
.link-btn:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--c-bg-alt);color:var(--c-primary);font-size:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-primary-deep);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.62}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(20,18,43,.94) 0%,rgba(36,26,86,.8) 42%,rgba(75,59,214,.32) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:56px;align-items:center;
  padding:110px 24px 104px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#DCD8FF;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:7px 16px;margin-bottom:22px;
}
.hero-eyebrow i{color:var(--c-gold)}
.hero h1{color:#fff;letter-spacing:-.01em}
.hero-sub{margin-top:20px;font-size:clamp(16px,1.4vw,19px);color:#CFCBF2;max-width:540px}
.hero-cta{display:flex;align-items:center;gap:22px;margin-top:36px;flex-wrap:wrap}
.hero-cta .text-link{color:#fff}
.hero-cta .text-link:hover{color:var(--c-teal)}
.hero-badge-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-lg);padding:14px;backdrop-filter:blur(6px);
  box-shadow:0 24px 50px rgba(11,8,32,.4);
}
.hero-badge-card img{width:100%;height:230px;object-fit:cover;border-radius:var(--r-md)}
.hero-badge-info{padding:16px 8px 6px}
.hero-badge-info strong{display:block;color:#fff;font-size:16px}
.hero-badge-info span{display:block;margin-top:6px;font-size:13px;color:#BEB9E8}

/* ---------- 主张条 ---------- */
.claim{padding:64px 0;background:var(--c-white);border-bottom:1px solid var(--c-line)}
.claim-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px;align-items:center}
.claim-main{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:var(--c-ink);line-height:1.35}
.claim-main em{font-style:normal;color:var(--c-primary)}
.claim-side{border-left:3px solid var(--c-teal);padding-left:18px;font-size:14px;color:var(--c-muted);line-height:1.9}

/* ---------- 故事块 ---------- */
.story-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center}
.story-media{position:relative}
.story-media img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-md)}
.story-media::after{
  content:"";position:absolute;left:-18px;bottom:-18px;width:150px;height:150px;border-radius:28px;
  background:var(--grad-soft);opacity:.14;z-index:-1;
}
.story-body p{margin-top:18px;color:var(--c-text)}
.story-quote{
  margin:26px 0 0;padding:4px 0 4px 20px;border-left:3px solid var(--c-primary);
  font-size:17px;font-weight:700;color:var(--c-ink);
}
.story-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(79,209,197,.14);border-radius:999px;padding:7px 14px;
}
.pill i{color:var(--c-teal);font-size:12px}

/* ---------- 精选卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(20,18,43,.72);color:#fff;font-size:12px;font-weight:600;
  border-radius:999px;padding:5px 12px;backdrop-filter:blur(4px);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted)}
.card-foot .tag{background:rgba(79,209,197,.16);color:#1F8E85;border-radius:999px;padding:4px 11px;font-weight:600}
.card--wide{grid-column:span 2}
.card--wide .card-media img{aspect-ratio:16/8}
.card--wide .card-body h3{font-size:22px}
.card-arrow{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:7px;font-size:14px}
.card-arrow i{transition:transform var(--ease)}
.card:hover .card-arrow i{transform:translateX(4px)}

/* ---------- 数据徽章 ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  display:flex;align-items:center;gap:16px;
  background:var(--c-white);border:1px solid var(--c-line);
  border-radius:999px;padding:18px 24px;box-shadow:var(--shadow-sm);
}
.stat .dot{width:10px;height:10px;border-radius:50%;background:var(--c-teal);flex-shrink:0;box-shadow:0 0 0 5px rgba(79,209,197,.18)}
.stat-num{font-size:26px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em}
.stat-num span{color:var(--c-gold)}
.stat-label{font-size:13px;color:var(--c-muted);line-height:1.5}

/* ---------- 最新信息 ---------- */
.latest-wrap{max-width:980px;margin:0 auto}
.post-list{display:flex;flex-direction:column;gap:16px}
.post-card{
  display:flex;align-items:center;gap:24px;
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(62,47,168,.28)}
.post-main{min-width:0;flex:1}
.post-title{font-size:18px;line-height:1.5}
.post-title a:hover{color:var(--c-primary)}
.post-summary{
  margin-top:9px;font-size:14.5px;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:13px;color:var(--c-muted)}
.post-meta .tag{background:rgba(79,209,197,.16);color:#1F8E85;border-radius:999px;padding:4px 11px;font-weight:600}
.post-more{
  flex-shrink:0;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.post-more i{transition:transform var(--ease)}
.post-card:hover .post-more i{transform:translateX(4px)}
.empty-state{
  text-align:center;background:var(--c-white);border:1px dashed var(--c-line);
  border-radius:var(--r-md);padding:52px 24px;
}
.empty-state p{color:var(--c-muted);margin-bottom:18px}

/* ---------- 路径流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-step{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.flow-num{
  font-size:13px;font-weight:700;color:var(--c-primary);
  background:rgba(62,47,168,.09);border-radius:8px;padding:4px 10px;display:inline-block;
}
.flow-step h3{margin-top:16px;font-size:17px}
.flow-step p{margin-top:10px;font-size:14.5px;color:var(--c-muted)}

/* ---------- 证言 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.voice{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow-sm);
}
.voice p{font-size:15.5px;color:var(--c-text)}
.voice-person{display:flex;align-items:center;gap:14px;margin-top:22px}
.avatar{
  width:46px;height:46px;border-radius:14px;background:var(--grad-soft);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0;
}
.voice-person strong{display:block;font-size:15px;color:var(--c-ink)}
.voice-person span{display:block;font-size:13px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:4px 24px;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(62,47,168,.35);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 0 19px 18px;position:relative;
  font-size:17px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--c-line);transition:background var(--ease);
}
.faq-item[open] summary::before{background:var(--c-primary)}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--c-muted);
  transition:transform var(--ease),color var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--c-primary)}
.faq-item .faq-answer{padding:0 0 22px 18px;font-size:15px;color:var(--c-text);line-height:1.8}

/* ---------- 订阅 CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-brand);color:#fff;padding:66px 56px;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.20;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center}
.cta-inner h2{color:#fff}
.cta-inner p{margin-top:16px;color:#D6D2F6;font-size:15.5px}
.subscribe-form{display:flex;gap:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:12px}
.subscribe-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid transparent;
  background:rgba(255,255,255,.94);padding:0 18px;font-size:15px;color:var(--c-ink);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe-form input:focus{border-color:var(--c-teal);box-shadow:0 0 0 4px rgba(79,209,197,.3)}
.subscribe-form .btn{box-shadow:0 10px 22px rgba(11,8,32,.3)}
.form-tip{position:relative;z-index:2;margin-top:14px;font-size:13px;color:#C7C2F0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#B9B6D6;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:#9C97D8}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#9C99BE;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#B9B6D6;display:inline-block;position:relative}
.footer-col a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:#fff;
  transition:right .2s ease;
}
.footer-col a:hover{color:#fff}
.footer-col a:hover::after{right:0}
.footer-contact li{font-size:14px;display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--c-teal);width:16px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A87AE;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{gap:18px}
  .main-nav{margin-left:0}
  .search-box input{width:120px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:88px 24px 80px}
  .hero-badge-card{max-width:460px}
  .claim-grid{grid-template-columns:1fr;gap:26px}
  .story-grid{grid-template-columns:1fr;gap:36px}
  .story-media img{height:340px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .card--wide{grid-column:span 2}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .cta-card{padding:52px 36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .header-inner{height:66px;gap:12px}
  .search-box{display:none}
  .link-btn{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:0 18px 34px rgba(36,26,86,.12);
    padding:12px 18px 18px;display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:14px 12px;font-size:15.5px;border-radius:10px}
  .nav-link.is-active::after{left:12px;right:auto;width:28px}
  .header-actions{gap:10px}
  .hero-inner{padding:64px 18px 66px;gap:32px}
  .hero-sub{font-size:15.5px;max-width:100%}
  .hero-cta{gap:16px}
  .hero-badge-card img{height:180px}
  .claim{padding:48px 0}
  .story-media img{height:250px}
  .feature-grid{grid-template-columns:1fr}
  .card--wide{grid-column:span 1}
  .card--wide .card-media img{aspect-ratio:16/10}
  .stats-band{grid-template-columns:1fr}
  .stat{border-radius:18px;padding:16px 20px}
  .post-card{flex-direction:column;align-items:flex-start;gap:14px;padding:20px}
  .post-more{align-self:flex-end}
  .flow{grid-template-columns:1fr}
  .faq-item{padding:2px 18px}
  .cta-section{padding:0 0 64px}
  .cta-card{padding:40px 22px;border-radius:22px}
  .subscribe-form{flex-direction:column;padding:14px}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media (max-width:520px){
  h1{font-size:28px}
  .brand-text{font-size:17px}
  .hero-cta .btn{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .text-link{justify-content:center}
}

/* roulang page: article */
:root{
  --c-primary:#3E2FA8;
  --c-primary-deep:#241A56;
  --c-primary-soft:#5B4BFF;
  --grad-brand:linear-gradient(120deg,#241A56 0%,#4B3BD6 55%,#7A6BFF 100%);
  --c-teal:#4FD1C5;
  --c-gold:#FFC46B;
  --c-bg:#F7F7FC;
  --c-bg-alt:#F1F0FA;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --t-title:#14122B;
  --t-body:#3A3852;
  --t-muted:#7C7A96;
  --c-line:#E3E1F0;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-sm:0 4px 14px rgba(36,26,86,.06);
  --shadow-md:0 12px 32px rgba(36,26,86,.10);
  --shadow-lg:0 20px 48px rgba(36,26,86,.16);
  --ease:.28s ease;
  --sp-section:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-primary-soft);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t-title);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-teal);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-white{background:var(--c-surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-primary);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-teal);border-radius:2px;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(22px,3vw,34px);margin:14px 0 12px;}
.section-head p{color:var(--t-muted);font-size:15.5px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:rgba(79,209,197,.14);color:#1F8F86;
}
.badge-gold{background:rgba(255,196,107,.22);color:#9A6412;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease);
}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(75,59,214,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);box-shadow:0 12px 30px rgba(75,59,214,.38),0 0 0 2px rgba(122,107,255,.28);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(75,59,214,.3);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(62,47,168,.08);color:var(--c-primary);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.link-btn{
  display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:999px;
  color:var(--t-body);font-size:14.5px;font-weight:600;
}
.link-btn:hover{color:var(--c-primary);background:rgba(62,47,168,.07);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;color:var(--c-primary);}
.text-link i{transition:transform var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(36,26,86,.06);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--t-title);flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad-brand);color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(75,59,214,.28);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:-.02em;}
.brand-sub{font-size:12px;font-weight:600;color:var(--c-primary-soft);margin-left:4px;letter-spacing:.12em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t-body);
}
.nav-link:hover{color:var(--c-primary);background:rgba(62,47,168,.06);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2.5px;
  border-radius:2px;background-image:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:999px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.search-box i{color:var(--t-muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;width:170px;
  font-size:14px;color:var(--t-body);
}
.search-box input::placeholder{color:var(--t-muted);}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(62,47,168,.10);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--t-title);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:var(--grad-brand);
  padding:64px 0 72px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.28;mix-blend-mode:screen;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,209,197,.28) 0%,rgba(79,209,197,0) 68%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{
  max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:rgba(255,255,255,.95);
}
.article-hero h1{
  color:#fff;font-size:clamp(26px,4vw,46px);max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  margin-top:26px;font-size:14px;color:rgba(255,255,255,.8);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5);display:inline-block;}
.article-meta .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(79,209,197,.22);color:#DFFBF7;font-size:12.5px;font-weight:600;
}

/* ---------- Article body ---------- */
.article-wrap{padding:72px 0 40px;}
.article-panel{
  max-width:820px;margin:0 auto;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:56px 56px 48px;
}
.article-content{font-size:16.5px;line-height:1.9;color:var(--t-body);}
.article-content > * + *{margin-top:18px;}
.article-content p{margin:0 0 18px;}
.article-content h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);
  margin:40px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background-image:var(--grad-brand);
}
.article-content h3{font-size:20px;margin:32px 0 12px;color:var(--t-title);}
.article-content h4{font-size:17px;margin:26px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;}
.article-content ul li,.article-content ol li{margin-bottom:10px;list-style:disc;}
.article-content ol li{list-style:decimal;}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--c-primary);
  background:var(--c-bg-alt);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--t-title);font-weight:600;
}
.article-content img{border-radius:var(--r-md);margin:24px 0 8px;box-shadow:var(--shadow-sm);}
.article-content figure{margin:24px 0;}
.article-content figcaption,
.article-content .caption{
  font-size:13px;color:var(--t-muted);text-align:center;margin-top:8px;
}
.article-content a{border-bottom:1px solid rgba(62,47,168,.32);}
.article-content a:hover{color:var(--c-primary-soft);border-bottom-color:var(--c-primary-soft);}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  font-size:14.5px;margin:24px 0;
}
.article-content thead th{background:var(--c-bg-alt);color:var(--t-title);font-weight:700;}
.article-content th,.article-content td{
  padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-line);
}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content code{
  background:rgba(62,47,168,.08);color:var(--c-primary);
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-content pre{
  background:var(--c-dark);color:#E7E5FA;padding:20px 22px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14px;line-height:1.75;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:34px 0;}

.empty-state{
  text-align:center;padding:24px 8px 8px;
}
.empty-state i{font-size:34px;color:var(--c-primary-soft);}
.empty-state h2{font-size:22px;margin:18px 0 10px;}
.empty-state p{color:var(--t-muted);margin-bottom:24px;}

.article-foot{
  max-width:820px;margin:28px auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px dashed var(--c-line);
}
.article-foot .tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- Related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(122,107,255,.4);}
.rel-card .rel-meta{font-size:12.5px;color:var(--t-muted);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.rel-card h3{font-size:17px;margin-bottom:8px;color:var(--t-title);}
.rel-card p{font-size:14px;color:var(--t-muted);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .text-link{font-size:13.5px;}

/* ---------- CTA ---------- */
.cta-band{
  background-image:var(--grad-brand);border-radius:24px;color:#fff;
  padding:48px 44px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;
  box-shadow:0 24px 50px rgba(36,26,86,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,196,107,.28) 0%,rgba(255,196,107,0) 70%);
}
.cta-band h3{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:#B9B6D6;padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B6D6;max-width:280px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#B9B6D6;font-size:14px;position:relative;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;transition:.2s;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:#B9B6D6;}
.footer-contact li i{color:var(--c-teal);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8C89AD;
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:#fff;border-bottom:1px solid var(--c-line);
    padding:14px 24px 20px;box-shadow:var(--shadow-md);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;}
  .nav-link.is-active::after{left:14px;right:auto;width:20px;bottom:6px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{display:none;}
  .header-inner{position:relative;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-panel{padding:40px 32px;}
}
@media (max-width:767px){
  :root{--sp-section:64px;--r-lg:16px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .header-actions{gap:8px;}
  .link-btn{display:none;}
  .article-hero{padding:44px 0 52px;}
  .article-wrap{padding:48px 0 24px;}
  .article-panel{padding:28px 20px;border-radius:var(--r-md);}
  .article-content{font-size:16px;}
  .article-content > * + *{margin-top:16px;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text{font-size:17px;}
}
@media (max-width:520px){
  .article-meta{font-size:13px;gap:8px 12px;}
  .breadcrumb .current{max-width:160px;}
  .btn{height:46px;padding:0 20px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#3E2FA8;
  --c-primary-deep:#241A56;
  --grad-brand:linear-gradient(120deg,#241A56 0%,#4B3BD6 55%,#7A6BFF 100%);
  --c-teal:#4FD1C5;
  --c-gold:#FFC46B;
  --c-dark:#14122B;
  --bg:#F7F7FC;
  --bg-alt:#F1F0FA;
  --white:#FFFFFF;
  --text:#14122B;
  --body:#3A3852;
  --muted:#7C7A96;
  --border:#E3E1F0;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-sm:0 4px 14px rgba(36,26,86,.06);
  --shadow-md:0 12px 32px rgba(36,26,86,.10);
  --shadow-lg:0 20px 48px rgba(36,26,86,.16);
  --container:1200px;
  --ease:.28s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;font-size:16px;line-height:1.85;color:var(--body);background:var(--bg);}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-teal);}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.25;margin:0 0 14px;letter-spacing:.2px;}
h1{font-size:clamp(28px,4.4vw,54px);}
h2{font-size:clamp(22px,3vw,34px);}
h3{font-size:20px;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-teal);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.narrow{max-width:820px;margin:0 auto;}

/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:box-shadow var(--ease),border-color var(--ease);border-bottom:1px solid transparent;}
.site-header.is-scrolled{border-bottom:1px solid var(--border);box-shadow:0 6px 22px rgba(36,26,86,.07);}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:none;}
.brand:hover{color:var(--text);}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;box-shadow:0 8px 18px rgba(75,59,214,.28);flex:none;}
.brand-text{font-size:20px;font-weight:700;letter-spacing:.5px;line-height:1;}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:2.4px;text-transform:lowercase;margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--body);border-radius:10px;transition:color var(--ease),background var(--ease);}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;width:22px;height:2px;border-radius:2px;background:var(--c-primary);transform:translateX(-50%) scaleX(0);transition:transform var(--ease);}
.nav-link:hover{color:var(--c-primary);background:rgba(62,47,168,.06);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);color:var(--muted);transition:border-color var(--ease),box-shadow var(--ease);}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(62,47,168,.10);}
.search-box i{font-size:13px;}
.search-box input{width:170px;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--muted);}
.link-btn{font-size:15px;color:var(--body);padding:8px 6px;white-space:nowrap;}
.link-btn:hover{color:var(--c-primary);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:all var(--ease);text-decoration:none;white-space:nowrap;}
.btn:active{transform:translateY(0) scale(.985);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(75,59,214,.26);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 2px rgba(122,107,255,.26),0 16px 32px rgba(75,59,214,.32);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(62,47,168,.08);color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary);box-shadow:0 10px 24px rgba(20,18,43,.22);}
.btn-light:hover{color:var(--c-primary);transform:translateY(-2px);box-shadow:0 0 0 2px rgba(255,255,255,.35),0 16px 32px rgba(20,18,43,.26);}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:all var(--ease);}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ===== 通用板块 ===== */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--c-primary);background:rgba(62,47,168,.08);padding:6px 14px;border-radius:999px;margin-bottom:16px;}
.eyebrow .dot-sm{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block;}
.lead{font-size:17px;color:var(--body);}

/* ===== 分类页头图 ===== */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:96px 0 88px;background-color:var(--c-dark);background-image:linear-gradient(120deg,rgba(20,18,43,.94) 0%,rgba(36,26,86,.86) 46%,rgba(75,59,214,.64) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 84% 16%,rgba(122,107,255,.55),transparent 44%);pointer-events:none;}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-hero h1{color:#fff;margin-bottom:18px;max-width:880px;}
.page-hero .hero-sub{font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.86);max-width:640px;margin:0 0 26px;line-height:1.8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:7px 15px;border-radius:999px;}
.hero-tags i{color:var(--c-teal);font-size:12px;}

/* ===== 引导正文 ===== */
.intro-copy p{font-size:17px;line-height:1.95;color:var(--body);}
.intro-copy p:last-child{margin-bottom:0;}
.intro-copy strong{color:var(--text);}

/* ===== 内容条（左图右文） ===== */
.topic-list{display:grid;gap:24px;}
.topic-row{display:grid;grid-template-columns:minmax(220px,36%) 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.topic-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D8D4F2;}
.topic-thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--bg-alt);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.topic-row:hover .topic-thumb img{transform:scale(1.03);}
.topic-body h3{margin:12px 0 10px;font-size:21px;}
.topic-body p{font-size:15.5px;color:var(--body);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 13px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(79,209,197,.16);color:#1B857C;}
.tag-gold{background:rgba(255,196,107,.22);color:#9A6414;}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);}
.arrow-link i{transition:transform var(--ease);font-size:13px;}
.arrow-link:hover i{transform:translateX(4px);}

/* ===== 流程步骤 ===== */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease);position:relative;overflow:hidden;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:34px;padding:0 12px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;letter-spacing:1px;margin-bottom:16px;}
.step-item h3{font-size:18px;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;}

/* ===== 数据徽章 ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-pill{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:18px 24px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease);}
.stat-pill:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat-pill .dot{width:10px;height:10px;border-radius:50%;background:var(--c-teal);flex:none;box-shadow:0 0 0 5px rgba(79,209,197,.16);}
.stat-text{display:flex;flex-direction:column;line-height:1.35;}
.stat-num{font-size:23px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;}
.stat-desc{font-size:13px;color:var(--muted);}

/* ===== 常见问题 ===== */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);}
.faq-item:hover{border-color:#D8D4F2;}
.faq-item.is-open{box-shadow:var(--shadow-md);}
.faq-q{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px 20px 30px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--text);cursor:pointer;transition:color var(--ease);}
.faq-q:hover{color:var(--c-primary);}
.faq-q::before{content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:2px;background:var(--c-primary);transition:height var(--ease);}
.faq-item.is-open .faq-q::before{height:22px;}
.faq-q i{color:var(--muted);font-size:14px;transition:transform var(--ease);flex:none;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-item.is-open .faq-a{max-height:520px;}
.faq-a p{margin:0;padding:0 30px 24px;font-size:15px;line-height:1.85;color:var(--body);}

/* ===== 底部 CTA ===== */
.cta-light{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:44px 48px;border-radius:24px;background-image:var(--grad-brand);box-shadow:0 24px 56px rgba(36,26,86,.22);position:relative;overflow:hidden;}
.cta-light::after{content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(122,107,255,.6),transparent 65%);pointer-events:none;}
.cta-light p{margin:0;color:#fff;font-size:clamp(17px,1.8vw,22px);font-weight:600;max-width:620px;line-height:1.6;position:relative;z-index:1;}
.cta-light .btn{position:relative;z-index:1;}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#B9B6D6;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09);}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9B6D6;max-width:320px;margin:0;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#B9B6D6;font-size:14.5px;position:relative;}
.footer-col ul li a:hover{color:#fff;}
.footer-col ul li a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:#fff;transition:width .2s ease;}
.footer-col ul li a:hover::after{width:100%;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;}
.footer-contact i{color:var(--c-teal);margin-top:5px;font-size:13px;flex:none;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .step-list{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .topic-row{grid-template-columns:minmax(200px,42%) 1fr;gap:24px;}
}
@media (max-width:900px){
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:12px 18px 18px;border-top:1px solid var(--border);box-shadow:var(--shadow-md);border-radius:0 0 18px 18px;}
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 10px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(62,47,168,.08);}
  .link-btn{display:none;}
  .section{padding:72px 0;}
  .page-hero{padding:72px 0 66px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .topic-row{grid-template-columns:1fr;gap:18px;padding:16px;}
  .topic-body h3{font-size:19px;}
  .step-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-light{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-light .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section{padding:64px 0;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;gap:14px;}
  .page-hero h1{font-size:28px;}
  .hero-tags span{font-size:12px;padding:6px 12px;}
  .faq-q{font-size:16px;padding:18px 18px 18px 26px;}
  .faq-a p{padding:0 20px 20px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#3E2FA8;
  --c-primary-deep:#241A56;
  --c-primary-light:#7A6BFF;
  --c-teal:#4FD1C5;
  --c-gold:#FFC46B;
  --bg-body:#F7F7FC;
  --bg-alt:#F1F0FA;
  --bg-white:#FFFFFF;
  --t-title:#14122B;
  --t-body:#3A3852;
  --t-muted:#7C7A96;
  --border:#E3E1F0;
  --grad-brand:linear-gradient(120deg,#241A56 0%,#4B3BD6 55%,#7A6BFF 100%);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(36,26,86,.06);
  --shadow-md:0 12px 32px rgba(36,26,86,.10);
  --shadow-lg:0 20px 48px rgba(36,26,86,.16);
  --container:1200px;
  --space-section:96px;
  --tr:.28s ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-body);
  color:var(--t-body);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--c-teal);}
h1,h2,h3,h4{margin:0;color:var(--t-title);font-weight:700;line-height:1.25;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-teal);outline-offset:3px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:none;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 22px rgba(75,59,214,.28);
}
.btn-primary:hover,.btn-primary:focus{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(75,59,214,.36),0 0 0 2px rgba(122,107,255,.25);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--c-primary);background:rgba(62,47,168,.08);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:rgba(79,209,197,.14);color:#1D8C82;
}
.tag-gold{background:rgba(255,196,107,.18);color:#A96A05;}

.link-btn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--t-body);
  padding:8px 10px;border-radius:10px;
}
.link-btn:hover{color:var(--c-primary);background:rgba(62,47,168,.06);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 20px rgba(36,26,86,.06);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--t-title);
  letter-spacing:.2px;flex:0 0 auto;
}
.brand:hover{color:var(--t-title);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;box-shadow:0 6px 16px rgba(75,59,214,.30);
}
.brand-text{display:inline-flex;align-items:baseline;gap:4px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--t-muted);letter-spacing:1px;}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--t-body);
}
.nav-link:hover{color:var(--c-primary);background:rgba(62,47,168,.06);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2.5px;border-radius:2px;background:var(--grad-brand);
}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:999px;
  background:var(--bg-alt);border:1px solid transparent;
  transition:border-color var(--tr),background-color var(--tr),box-shadow var(--tr);
}
.search-box:focus-within{
  background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(62,47,168,.10);
}
.search-box i{font-size:13px;color:var(--t-muted);}
.search-box input{
  border:none;background:transparent;outline:none;
  width:186px;font-size:13.5px;color:var(--t-body);
}
.search-box input::placeholder{color:var(--t-muted);}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--t-title);
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--c-primary-deep);
  background-image:
    linear-gradient(105deg,rgba(20,18,43,.92) 0%,rgba(36,26,86,.80) 48%,rgba(75,59,214,.52) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover,cover;
  background-position:center,center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-160px;
  width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
  pointer-events:none;
}
.page-hero-inner{
  position:relative;z-index:2;
  padding:88px 0 76px;
  max-width:760px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);
  margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}

.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
  font-size:13px;font-weight:600;color:#EAE8FF;
  margin-bottom:20px;
}
.page-hero .eyebrow i{color:var(--c-teal);}
.hero-title{
  font-size:clamp(28px,4.4vw,52px);
  color:#fff;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-title span{
  background:linear-gradient(90deg,#7A6BFF,#4FD1C5);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(15.5px,1.3vw,17.5px);
  color:rgba(255,255,255,.84);
  max-width:620px;margin-bottom:30px;
  line-height:1.8;
}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.hero-link{
  display:inline-flex;align-items:center;gap:8px;
  color:#fff;font-weight:600;font-size:15px;
  border-bottom:1.5px solid rgba(255,255,255,.35);
  padding-bottom:3px;
}
.hero-link:hover{color:var(--c-teal);border-bottom-color:var(--c-teal);}
.hero-link i{font-size:12px;transition:transform var(--tr);}
.hero-link:hover i{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:var(--bg-white);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-block;font-size:13px;font-weight:700;
  letter-spacing:2px;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(22px,3vw,34px);margin-bottom:16px;}
.section-desc{font-size:15.5px;color:var(--t-muted);line-height:1.85;}

/* ============ 引导正文窄栏 ============ */
.intro-wrap{
  max-width:820px;margin:0 auto;
}
.intro-wrap p{
  font-size:16.5px;line-height:1.95;color:var(--t-body);
  margin-bottom:22px;
}
.intro-quote{
  border-left:3px solid var(--c-primary);
  padding:6px 0 6px 22px;margin:32px 0 0;
  font-size:17px;font-weight:600;color:var(--t-title);
  line-height:1.7;
}

/* ============ 上图下文卡片阵列 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.photo-card{
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr);
}
.photo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.card-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--bg-alt);
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.photo-card:hover .card-media img{transform:scale(1.04);}
.card-media .media-tag{
  position:absolute;left:16px;top:16px;
  padding:5px 12px;border-radius:999px;
  background:rgba(20,18,43,.72);
  color:#fff;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(4px);
}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:19px;margin-bottom:12px;}
.card-body p{
  font-size:14.8px;color:var(--t-body);line-height:1.8;
  margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:16px;
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);}
.card-meta small{font-size:12.5px;color:var(--t-muted);}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
}
.card-link i{font-size:12px;transition:transform var(--tr);}
.photo-card:hover .card-link i{transform:translateX(5px);}

/* ============ 流程步骤 ============ */
.flow-list{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;counter-reset:flow;
}
.flow-item{
  position:relative;
  background:#fff;border-radius:var(--radius-md);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-sm);
  border-top:3px solid transparent;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.flow-item:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-md);
  border-top-color:var(--c-primary-light);
}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:rgba(62,47,168,.10);color:var(--c-primary);
  font-size:14px;font-weight:700;margin-bottom:16px;
}
.flow-item h3{font-size:16.5px;margin-bottom:10px;}
.flow-item p{font-size:14px;color:var(--t-muted);line-height:1.8;margin:0;}

/* ============ 数据徽章带 ============ */
.stat-band{
  background:var(--grad-brand);
  border-radius:26px;
  padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  box-shadow:0 24px 56px rgba(36,26,86,.22);
}
.stat-pill{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  padding:14px 22px;
}
.stat-pill .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--c-teal);flex:0 0 auto;
  box-shadow:0 0 0 5px rgba(79,209,197,.18);
}
.stat-pill .num{
  font-size:24px;font-weight:700;color:#fff;line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-pill .num em{font-style:normal;font-size:13px;font-weight:600;color:var(--c-gold);margin-left:2px;}
.stat-pill .label{font-size:13px;color:rgba(255,255,255,.78);line-height:1.5;}

/* ============ 场景清单 ============ */
.scene-grid{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:56px;align-items:start;
}
.scene-visual{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);
  position:relative;
}
.scene-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.scene-visual figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(20,18,43,.72);color:#fff;
  font-size:12.5px;padding:10px 14px;border-radius:12px;
  backdrop-filter:blur(4px);
}
.scene-list{display:flex;flex-direction:column;gap:18px;}
.scene-item{
  display:flex;gap:16px;
  background:#fff;border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--tr),box-shadow var(--tr);
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.scene-item i{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(62,47,168,.09);color:var(--c-primary);font-size:16px;
}
.scene-item h3{font-size:16.5px;margin-bottom:8px;}
.scene-item p{font-size:14.2px;color:var(--t-muted);line-height:1.8;margin:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
  border-left:3px solid transparent;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item.is-open{border-left-color:var(--c-primary);box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:none;text-align:left;
  font-size:17px;font-weight:700;color:var(--t-title);line-height:1.5;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q i{
  flex:0 0 auto;font-size:13px;color:var(--c-primary);
  transition:transform var(--tr);
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--t-body);
}
.faq-item.is-open .faq-a{display:block;}

/* ============ 轻量 CTA ============ */
.cta-band{padding:0 0 var(--space-section);}
.cta-card{
  background:var(--grad-brand);
  border-radius:26px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 56px rgba(36,26,86,.22);
}
.cta-card h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.80);font-size:15px;margin:0;max-width:560px;}
.cta-card .btn{
  background:#fff;color:var(--c-primary);flex:0 0 auto;
}
.cta-card .btn:hover{background:#F2F1FF;color:var(--c-primary-deep);}

/* ============ 页脚 ============ */
.site-footer{
  background:#14122B;color:#B9B6D6;
  padding:72px 0 28px;font-size:14.2px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:44px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{color:#B9B6D6;font-size:14px;line-height:1.8;max-width:280px;margin:0;}
.footer-col h4{
  color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#B9B6D6;font-size:14px;position:relative;}
.footer-col a:hover{color:#fff;}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:#fff;transition:width .2s ease;
}
.footer-col a:hover::after{width:100%;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-teal);font-size:13px;margin-top:5px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(185,182,214,.72);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--space-section:72px;}
  .search-box input{width:140px;}
  .flow-list{grid-template-columns:repeat(3,minmax(0,1fr));}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:36px 28px;}
  .scene-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media screen and (max-width:991px){
  .main-nav{
    position:absolute;left:18px;right:18px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-radius:16px;
    padding:12px;margin:0;
    box-shadow:var(--shadow-lg);
    border:1px solid var(--border);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 14px;font-size:15.5px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:rgba(62,47,168,.08);}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
}

@media screen and (max-width:767px){
  :root{--space-section:64px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .header-inner{min-height:64px;gap:14px;}
  .link-btn{display:none;}
  .header-actions .btn-sm{padding:0 14px;font-size:13px;}
  .page-hero-inner{padding:60px 0 54px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:14px;width:100%;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{margin-bottom:32px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .flow-list{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-band{grid-template-columns:1fr;gap:14px;padding:28px 20px;border-radius:20px;}
  .stat-pill{padding:12px 18px;}
  .stat-pill .num{font-size:21px;}
  .cta-card{padding:32px 24px;border-radius:20px;gap:22px;}
  .cta-card .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
  .scene-item{padding:18px;}
}

@media screen and (max-width:520px){
  .hero-title{font-size:27px;}
  .flow-list{grid-template-columns:1fr;}
  .brand{font-size:17px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:12px;}
  .brand-sub{font-size:11px;}
  .header-actions .btn-sm{height:36px;padding:0 12px;}
}