/* roulang page: index */
:root{
  --primary:#6A4CE0;
  --primary-dark:#5334C7;
  --primary-soft:#F4F1FF;
  --purple-2:#A24BE0;
  --gold:#F2C14E;
  --cyan:#34CFC0;
  --deep-1:#150F2E;
  --deep-2:#241A4A;
  --light:#FAF8FF;
  --card:#FFFFFF;
  --line:#ECE7FA;
  --t1:#241E3A;
  --t2:#3A3355;
  --t3:#6B6480;
  --inv:#FFFFFF;
  --inv-2:#C9C2E8;
  --danger:#E0575A;
  --r-input:14px;
  --r-card:20px;
  --r-panel:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(36,26,74,.08);
  --sh-h:0 20px 48px rgba(36,26,74,.16);
  --sec:88px;
  --grad:linear-gradient(135deg,#6A4CE0 0%,#A24BE0 52%,#34CFC0 100%);
}
*,*::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:1.8;
  color:var(--t2);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--t1);margin:0 0 16px;font-weight:700;line-height:1.35;letter-spacing:.01em}
h1{font-size:clamp(30px,5vw,52px);font-weight:700}
h2{font-size:clamp(24px,3vw,30px)}
h3{font-size:20px;font-weight:600}
p{margin:0 0 18px}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cyan)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto;border:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(106,76,224,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow i{font-size:12px}
.lead{font-size:17px;color:var(--t3);margin-bottom:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,76,224,.28)}
.btn-primary:hover{background-image:none;background:var(--primary-dark);color:#fff;transform:translateY(2px);box-shadow:0 6px 16px rgba(106,76,224,.26)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:7px 13px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
}
.badge-gold{background:rgba(242,193,78,.16);color:#9A6E10}
.badge-cyan{background:rgba(52,207,192,.16);color:#0F8C82}
.badge-light{background:rgba(255,255,255,.14);color:#fff}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--t3);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;transition:all .2s ease;
}
.tag:hover{border-color:rgba(106,76,224,.4);color:var(--primary)}
.num{
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  letter-spacing:.02em;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(36,26,74,.03);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:50%;background-image:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:14px;
  box-shadow:0 6px 14px rgba(106,76,224,.3);
}
.brand-text{font-size:18px;font-weight:700;color:var(--t1);letter-spacing:.02em;line-height:1}
.brand-text:hover{color:var(--t1)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;display:block;padding:22px 14px 20px;
  font-size:15px;color:var(--t2);font-weight:500;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:3px;
  border-radius:3px;background:var(--primary);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;height:42px;padding:0 6px 0 16px;
  background:var(--primary-soft);border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color .2s ease,background .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--primary)}
.search-box input{
  border:0;background:transparent;outline:none;width:158px;
  font-size:14px;color:var(--t1);height:100%;
}
.search-box input::placeholder{color:#9C95B3}
.search-box button{
  width:32px;height:32px;border:0;border-radius:50%;
  background:transparent;color:var(--primary);display:grid;place-items:center;
}
.search-box button:hover{background:rgba(106,76,224,.12)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--t1);
  place-items:center;font-size:16px;
}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 24px 20px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--primary);font-weight:700}
.mobile-drawer .btn{margin-top:16px}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(160deg,#150F2E 0%,#241A4A 58%,#2B2059 100%);
  padding:72px 0 0;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.26;
}
.hero-stars{
  position:absolute;inset:0;opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.85),transparent),
    radial-gradient(1.4px 1.4px at 28% 68%,rgba(201,194,232,.8),transparent),
    radial-gradient(1.8px 1.8px at 46% 16%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.4px 1.4px at 63% 52%,rgba(52,207,192,.7),transparent),
    radial-gradient(1.6px 1.6px at 79% 28%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.4px 1.4px at 88% 74%,rgba(242,193,78,.7),transparent),
    radial-gradient(1.4px 1.4px at 34% 40%,rgba(255,255,255,.6),transparent);
}
.hero-inner{position:relative;z-index:3}
.hero-copy{max-width:620px}
.hero h1{color:#fff;margin-bottom:18px}
.hero-sub{font-size:17px;color:var(--inv-2);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;
  color:var(--inv-2);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
  padding:7px 14px;
}
.hero-points i{color:var(--cyan);font-size:12px}

/* 登录面板预览 */
.login-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-panel);
  box-shadow:0 24px 60px rgba(9,5,26,.5), inset 0 1px 0 rgba(255,255,255,.08);
  padding:26px 24px 24px;
}
.login-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.login-panel-head h3{color:#fff;font-size:18px;margin:0}
.login-panel-head span{font-size:12px;color:var(--inv-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--inv-2);margin-bottom:8px}
.field .control{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);color:var(--inv-2);font-size:14px;
}
.field .control i{font-size:13px;color:rgba(201,194,232,.9)}
.login-panel .btn{margin-top:6px}
.login-panel-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;font-size:13px;color:var(--inv-2);
}
.login-panel-foot a{color:var(--cyan)}

/* 数据徽章带 */
.hero-stats{
  position:relative;z-index:3;margin-top:56px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;gap:16px;overflow-x:auto;padding:20px 0 26px;
  scrollbar-width:none;
}
.hero-stats::-webkit-scrollbar{display:none}
.stat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:12px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.stat-pill .n{color:var(--gold);font-size:16px;font-weight:700}
.stat-pill .t{font-size:13px;color:var(--inv-2)}
.after-hero{
  position:relative;z-index:4;margin-top:-40px;
  background:var(--light);border-radius:40px 40px 0 0;
}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(106,76,224,.28)}
.card-body{padding:26px}
.card-icon{
  width:50px;height:50px;border-radius:16px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:20px;margin-bottom:18px;
}
.card-lg{border-radius:var(--r-panel)}
.card-lg .card-body{padding:34px}
.card h3 a{color:var(--t1)}
.card h3 a:hover{color:var(--primary)}
.text-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;
  color:var(--primary);
}
.text-link:hover{gap:11px;color:var(--cyan)}

/* 入口区错位排布 */
.entry-grid{align-items:stretch}
.entry-main{background-image:linear-gradient(150deg,#F7F4FF 0%,#FFFFFF 62%)}
.entry-list{margin-top:20px;display:grid;gap:10px}
.entry-list li{display:flex;gap:10px;font-size:14px;color:var(--t3)}
.entry-list i{color:var(--cyan);font-size:13px;margin-top:6px}

/* ============ 功能说明区 ============ */
.step-row{display:flex;align-items:center;gap:48px;margin-bottom:64px}
.step-row:last-child{margin-bottom:0}
.step-row.reverse{flex-direction:row-reverse}
.step-figure{
  flex:0 0 46%;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);background:#fff;
}
.step-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card)}
.step-text{flex:1 1 54%}
.step-no{
  font-size:44px;font-weight:700;color:var(--gold);line-height:1;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step-text h3{margin-bottom:12px}
.step-text p{color:var(--t3);margin-bottom:14px}
.step-meta{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 权益横滚卡列 ============ */
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(106,76,224,.25);border-radius:999px}
.mini-card{
  flex:0 0 30%;min-width:280px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:24px;transition:transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.mini-card h3{font-size:18px;margin:14px 0 10px}
.mini-card p{font-size:14px;color:var(--t3);margin-bottom:0}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 进度区 ============ */
.progress-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh);padding:36px 34px;
}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.progress-head strong{font-size:30px;color:var(--primary);font-variant-numeric:tabular-nums}
.progress-bar{position:relative;height:10px;border-radius:var(--r-pill);background:#EDE9FA;overflow:hidden;margin-bottom:28px}
.progress-fill{position:absolute;left:0;top:0;bottom:0;width:68%;border-radius:var(--r-pill);background-image:var(--grad)}
.progress-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node{text-align:center;position:relative}
.node-dot{
  width:20px;height:20px;border-radius:50%;margin:0 auto 12px;
  border:2px solid #D9D2F0;background:#fff;
}
.node.done .node-dot{background:var(--primary);border-color:var(--primary)}
.node.now .node-dot{background:#fff;border-color:var(--gold);box-shadow:0 0 0 5px rgba(242,193,78,.18)}
.node span{font-size:14px;color:var(--t3)}
.node.done span,.node.now span{color:var(--t1);font-weight:600}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.news-head h2{margin-bottom:6px}
.news-main{overflow:hidden;display:flex;flex-direction:column;height:100%}
.news-main-media{display:block;overflow:hidden}
.news-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0}
.news-main-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-main-body h3{font-size:20px;margin:0}
.news-main-body h3 a{color:var(--t1)}
.news-main-body h3 a:hover{color:var(--primary)}
.excerpt-2{
  color:var(--t3);font-size:14px;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);margin-top:auto}
.news-mini{display:grid;gap:14px;height:100%}
.news-mini li{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:14px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-mini li:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(106,76,224,.28)}
.news-mini img{width:76px;height:60px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.news-mini .mini-body{min-width:0;flex:1}
.news-mini h4{font-size:15px;margin:0 0 6px;font-weight:600}
.news-mini h4 a{color:var(--t1)}
.news-mini h4 a:hover{color:var(--primary)}
.news-mini .mini-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--t3)}
.empty-state{
  text-align:center;padding:52px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-panel);
}
.empty-state i{font-size:26px;color:var(--primary);margin-bottom:14px;display:block}
.empty-state p{color:var(--t3);margin-bottom:18px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  background:linear-gradient(135deg,#1C1440 0%,#2A1F55 100%);
  color:#fff;padding:52px 44px;
  box-shadow:0 24px 56px rgba(21,15,46,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:var(--inv-2);margin:0;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:0 24px;transition:border-color .2s ease,box-shadow .2s ease;
}
details.faq[open]{border-color:rgba(106,76,224,.35);box-shadow:var(--sh-h)}
details.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 40px 20px 0;font-size:17px;font-weight:700;color:var(--t1);
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--primary);transition:transform .2s ease;
}
details.faq[open] summary::after{transform:translateY(-50%) rotate(180deg)}
details.faq[open] summary::before{
  content:"";position:absolute;left:-24px;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}
details.faq .faq-body{padding:0 0 22px;font-size:15px;color:var(--t3);border-top:1px solid var(--line);padding-top:18px}
details.faq .faq-body p:last-child{margin-bottom:0}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:var(--sec);color:var(--inv-2);
  background:linear-gradient(180deg,#150F2E 0%,#241A4A 100%);
  padding:60px 0 0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background-image:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:18px;letter-spacing:.02em}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col p{font-size:14px;color:var(--inv-2);line-height:1.9}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--inv-2)}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;font-size:14px}
.footer-contact i{color:var(--gold);margin-top:6px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(201,194,232,.75);
}
.footer-bottom a{color:rgba(201,194,232,.75)}
.footer-bottom a:hover{color:var(--cyan)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec:64px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:grid}
  .hero{padding-top:52px}
  .hero-stats{margin-top:40px}
  .step-row,.step-row.reverse{flex-direction:column;gap:26px;margin-bottom:48px}
  .step-figure,.step-text{flex:1 1 auto;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mini-card{flex:0 0 46%}
  .cta-band{padding:42px 30px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .progress-nodes{grid-template-columns:1fr 1fr;gap:22px}
  .progress-wrap{padding:26px 22px}
  .news-main-body h3{font-size:18px}
  .mini-card{flex:0 0 78%}
}
@media (max-width:520px){
  :root{--sec:48px}
  .header-inner{height:62px;gap:12px}
  .brand-text{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-stats{padding-bottom:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:34px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .news-mini li{flex-direction:column;align-items:flex-start}
  .news-mini img{width:100%;height:150px}
}

/* roulang page: article */
:root{
  --violet:#6A4CE0;
  --violet-dark:#5740c9;
  --violet-soft:#F4F1FF;
  --gold:#F2C14E;
  --aurora:#34CFC0;
  --deep-1:#150F2E;
  --deep-2:#241A4A;
  --light:#FAF8FF;
  --card:#FFFFFF;
  --line:#ECE7FA;
  --title:#241E3A;
  --text:#3A3355;
  --muted:#6B6480;
  --danger:#E0575A;
  --grad:linear-gradient(135deg,#6A4CE0 0%,#A24BE0 52%,#34CFC0 100%);
  --r-card:20px;
  --r-panel:28px;
  --r-input:14px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(36,26,74,.08);
  --shadow-hover:0 20px 48px rgba(36,26,74,.16);
  --sec-space:88px;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--light);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--aurora)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.35;font-weight:700}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(106,76,224,.32);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,76,224,.28)}
.btn-primary:hover{background:var(--violet-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--violet);color:var(--violet);background:#fff}
.btn-outline:hover{background:var(--violet-soft);color:var(--violet-dark);transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(36,26,74,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.site-logo{display:inline-flex;align-items:center;gap:10px;color:var(--title);font-weight:700;font-size:17px;letter-spacing:.2px}
.site-logo:hover{color:var(--title)}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--grad);
  color:#fff;font-size:15px;
  box-shadow:0 6px 16px rgba(106,76,224,.32);
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;border-radius:3px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--violet)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--violet);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--violet-soft);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:border-color .2s ease,background .2s ease;
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
  width:170px;height:100%;
}
.nav-search input::placeholder{color:#9A93B5}
.nav-search:focus-within{border-color:var(--violet);background:#fff}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;color:var(--violet);
  font-size:17px;cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:14px 24px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;
  padding:12px 0;
  color:var(--text);
  font-size:15px;
  border-bottom:1px dashed var(--line);
}
.mobile-drawer a.is-active{color:var(--violet);font-weight:700}
.mobile-drawer .btn{width:100%;margin-top:16px}
/* ---------- 文章页头部 ---------- */
.article-hero{
  background:linear-gradient(180deg,#F4F1FF 0%,var(--light) 100%);
  padding:34px 0 42px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--violet)}
.breadcrumb .sep{color:#C3BCDC}
.breadcrumb .current{color:var(--title);font-weight:600}
.article-tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--violet);
  font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(24px,3.2vw,38px);
  line-height:1.36;
  max-width:900px;
  letter-spacing:.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-chip i{color:var(--violet);font-size:12px}
.meta-chip.is-gold{color:#8A6A15;border-color:#F6E2B0;background:#FFFBEF}
.meta-chip.is-gold i{color:#C9992A}
/* ---------- 主栅格 ---------- */
.section{padding:var(--sec-space) 0}
.section-tight{padding:56px 0}
.layout-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:36px;align-items:start}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow);
  padding:44px 46px;
}
.article-body{
  max-width:800px;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
}
.article-body > * + *{margin-top:18px}
.article-body p{line-height:1.9}
.article-body h2{
  font-size:24px;
  margin:32px 0 0;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:4px;
  background:var(--grad);
}
.article-body h3{
  font-size:20px;
  margin:26px 0 0;
  color:var(--title);
}
.article-body a{
  color:var(--violet);
  border-bottom:1px solid rgba(106,76,224,.45);
}
.article-body a:hover{color:var(--aurora);border-bottom-color:rgba(52,207,192,.6)}
.article-body ul,.article-body ol{padding-left:22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body blockquote{
  margin:22px 0;
  padding:18px 22px;
  background:var(--violet-soft);
  border-left:4px solid var(--violet);
  border-radius:0 14px 14px 0;
  color:#4A4270;
}
.article-body img{
  border-radius:16px;
  margin:22px auto;
  box-shadow:var(--shadow);
}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--violet-soft);color:var(--title);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:#F3F1FB;
  border:1px solid var(--line);
  border-radius:8px;
  padding:2px 7px;
  font-size:14px;
  color:#4B3F9E;
}
.article-body pre{
  background:#1D1636;
  color:#E8E4FF;
  padding:18px 20px;
  border-radius:16px;
  overflow:auto;
  font-size:14px;
}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}
/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 20px;
}
.empty-state i{font-size:30px;color:var(--violet);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}
/* ---------- 文末 ---------- */
.article-foot{
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13.5px;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--violet-soft);
  color:#544AB0;
  font-size:13px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{background:#E7E1FF;color:var(--violet-dark);transform:translateY(-2px)}
.pager-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:26px;
}
.pager-card{
  display:block;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(106,76,224,.35)}
.pager-card .k{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
.pager-card .t{font-size:16px;font-weight:600;color:var(--title);display:block}
.return-bar{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
/* ---------- 侧栏 ---------- */
.side-col{display:grid;gap:22px;position:sticky;top:92px}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:24px 22px;
}
.side-card h3{
  font-size:16.5px;
  display:flex;align-items:center;gap:9px;
  padding-bottom:14px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.side-card h3 i{color:var(--violet);font-size:14px}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.side-list a{
  display:block;
  font-size:15px;
  color:var(--title);
  font-weight:500;
  line-height:1.6;
}
.side-list a:hover{color:var(--violet)}
.side-list .sub{font-size:13px;color:var(--muted);margin-top:6px;display:flex;gap:10px}
.side-list .sub span{display:inline-flex;align-items:center;gap:5px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.side-cta{
  background:linear-gradient(160deg,#1D1540 0%,#2B2058 100%);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:26px 22px;
  color:#C9C2E8;
  box-shadow:0 18px 40px rgba(21,15,46,.35);
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{font-size:14px;line-height:1.75;color:#C9C2E8;margin-bottom:18px}
.side-cta .btn{width:100%}
/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(135deg,#150F2E 0%,#241A4A 100%);
  border-radius:var(--r-panel);
  padding:52px 48px;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-band::after{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-inner p{color:#C9C2E8;font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-space);
  background:linear-gradient(180deg,#150F2E 0%,#241A4A 100%);
  color:#C9C2E8;
  border-top:2px solid transparent;
  border-image:var(--grad) 1;
  padding:62px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:0 6px 16px rgba(106,76,224,.5)}
.footer-col p{font-size:14px;line-height:1.85;color:#C9C2E8}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:#C9C2E8;font-size:14px}
.footer-col ul a:hover{color:var(--aurora)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#C9C2E8}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;
  color:#9E96C4;
}
.footer-bottom a{color:#C9C2E8}
.footer-bottom a:hover{color:var(--aurora)}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-space:64px}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .side-col{position:static}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .article-panel{padding:34px 30px}
  .cta-band{padding:42px 34px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-width:767px){
  :root{--sec-space:48px}
  .container{padding:0 20px}
  .header-inner{gap:14px;height:64px}
  .site-logo{font-size:15.5px}
  .site-logo .brand-mark{width:28px;height:28px;flex:0 0 28px;font-size:13px}
  .article-hero{padding:26px 0 32px}
  .article-panel{padding:26px 20px;border-radius:var(--r-card)}
  .article-body{font-size:16px}
  .pager-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:34px 22px;border-radius:var(--r-card)}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --primary:#6A4CE0;
  --primary-dark:#5A3ED2;
  --primary-soft:#F4F1FF;
  --violet:#A24BE0;
  --gold:#F2C14E;
  --aqua:#34CFC0;
  --deep-1:#150F2E;
  --deep-2:#241A4A;
  --bg-light:#FAF8FF;
  --card:#FFFFFF;
  --border:#ECE7FA;
  --text-1:#241E3A;
  --text-2:#3A3355;
  --text-3:#6B6480;
  --muted-dark:#C9C2E8;
  --danger:#E0575A;
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:28px;
  --shadow-1:0 8px 24px rgba(36,26,74,.08);
  --shadow-2:0 20px 48px rgba(36,26,74,.16);
  --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","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 18px;}

a{color:var(--primary);text-decoration:none;border-bottom:1px solid rgba(106,76,224,.35);transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--aqua);border-bottom-color:rgba(52,207,192,.7);}
a:focus-visible{outline:3px solid rgba(106,76,224,.3);outline-offset:3px;border-radius:6px;}

h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.35;}
h1{font-size:clamp(28px,4.4vw,44px);}
h2{font-size:30px;}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;font-weight:600;}

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

.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--light{background:var(--card);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;
  padding:6px 14px;margin-bottom:14px;font-weight:600;
}
.section-head p{color:var(--text-3);margin:12px 0 0;font-size:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border-bottom:1px solid transparent;line-height:1;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:linear-gradient(135deg,#6A4CE0,#A24BE0);color:#fff;box-shadow:0 10px 24px rgba(106,76,224,.28);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,76,224,.34);border-bottom-color:transparent;}
.btn-outline{background:#fff;color:var(--primary);border:1px solid rgba(106,76,224,.4);}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1);border-bottom-color:rgba(106,76,224,.9);}
.btn-ghost-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost-white:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);border-bottom-color:rgba(255,255,255,.9);}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge--gold{background:rgba(242,193,78,.16);color:#A9761A;}
.badge--aqua{background:rgba(52,207,192,.14);color:#1E8E83;}
.badge--outline{background:transparent;border:1px solid var(--border);color:var(--text-3);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(36,26,74,.04);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  border-bottom:none;color:var(--text-1);font-weight:700;font-size:17px;
  flex-shrink:0;
}
.brand:hover{color:var(--text-1);border-bottom-color:transparent;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#6A4CE0,#A24BE0);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;
  box-shadow:0 6px 14px rgba(106,76,224,.32);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-block;padding:8px 14px;
  font-size:15px;color:var(--text-2);font-weight:500;
  border-bottom:none;border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);border-bottom-color:transparent;}
.nav-link.is-active{color:var(--primary);font-weight:700;background:var(--primary-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:3px;border-radius:3px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--primary-soft);
  border:1px solid transparent;border-radius:999px;
  padding:0 16px;height:40px;min-width:190px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(106,76,224,.16);}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  border:none;background:transparent;outline:none;
  font-size:14px;color:var(--text-2);width:100%;height:36px;
}
.search-box input::placeholder{color:#9C95B4;}
.menu-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--text-1);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--border);
  background:#fff;padding:14px 24px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .nav-link{display:block;padding:12px 4px;font-size:16px;border-radius:8px;}
.mobile-drawer .btn{width:100%;margin-top:12px;}

/* ---------- 分类页头部 ---------- */
.cat-hero{
  position:relative;
  background:linear-gradient(160deg,#F6F3FF 0%,#EDE8FF 55%,#E6F7F5 100%);
  padding:56px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(106,76,224,.14) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.55;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);border-bottom-color:transparent;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#C6BFDD;}
.cat-hero h1{max-width:820px;}
.cat-hero .hero-sub{
  margin-top:16px;max-width:680px;
  font-size:17px;color:var(--text-2);
}
.cat-hero-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:24px;
}

/* ---------- 文档布局 ---------- */
.doc-layout{padding:72px 0 24px;}
.doc-aside .toc-card{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
.toc-card h4{margin-bottom:14px;font-size:15px;color:var(--text-1);}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--text-2);border-bottom:none;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary);transform:translateX(3px);}
.toc-list a .toc-dot{
  width:6px;height:6px;border-radius:50%;background:#CFC7EA;flex-shrink:0;
}
.toc-list a:hover .toc-dot{background:var(--primary);}
.toc-help{
  margin-top:20px;padding:16px;border-radius:var(--radius-sm);
  background:var(--primary-soft);
}
.toc-help p{font-size:13px;color:var(--text-3);margin:0 0 12px;}
.toc-help .btn{height:40px;font-size:14px;padding:0 18px;}

.doc-block{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 36px 30px;margin-bottom:28px;box-shadow:var(--shadow-1);
  scroll-margin-top:92px;
}
.doc-block h2{
  position:relative;padding-left:16px;font-size:26px;margin-bottom:18px;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:4px;background:var(--primary);
}
.doc-block h3{margin:26px 0 10px;}
.doc-block p{font-size:16px;color:var(--text-2);}
.doc-block .lead{font-size:16.5px;color:var(--text-2);}

.point-grid{margin-top:24px;}
.point-card{
  height:100%;
  background:var(--bg-light);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 22px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(106,76,224,.35);background:#fff;}
.point-card .pc-icon{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,#6A4CE0,#A24BE0);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  margin-bottom:14px;
}
.point-card h4{margin-bottom:8px;font-size:16.5px;}
.point-card p{font-size:14.5px;color:var(--text-3);margin:0;}
.point-card.is-offset{margin-top:26px;}

.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15.5px;color:var(--text-2);
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:12px;color:var(--aqua);
}

.step-list{counter-reset:step;margin-top:20px;}
.step-item{
  position:relative;
  display:flex;gap:18px;
  padding:18px 20px;margin-bottom:14px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.step-item:hover{border-color:rgba(106,76,224,.35);box-shadow:var(--shadow-1);}
.step-num{
  flex-shrink:0;
  width:40px;height:40px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step-body h4{margin-bottom:6px;font-size:16.5px;}
.step-body p{margin:0;font-size:15px;color:var(--text-3);}

.figure-block{
  margin:26px 0 8px;
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:var(--bg-light);
}
.figure-block img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.figure-block figcaption{
  padding:12px 18px;font-size:13.5px;color:var(--text-3);background:#fff;
}

.notice-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:linear-gradient(135deg,rgba(106,76,224,.08),rgba(52,207,192,.08));
  border:1px solid rgba(106,76,224,.18);
  border-radius:var(--radius);padding:18px 20px;margin-top:24px;
}
.notice-bar i{color:var(--primary);font-size:16px;margin-top:5px;}
.notice-bar p{margin:0;font-size:14.8px;color:var(--text-2);}

/* ---------- 常见问题 ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(106,76,224,.3);box-shadow:var(--shadow-1);}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--text-1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--primary);
  flex-shrink:0;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:3px;background:var(--primary);
  opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--text-3);}
.faq-body p{margin:0;font-size:15px;color:var(--text-3);}

/* ---------- 双入口 ---------- */
.dual-entry{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  margin-top:8px;
}
.entry-card{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-1);
  border-bottom:1px solid var(--border);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(106,76,224,.35);}
.entry-card .ec-icon{
  width:48px;height:48px;border-radius:16px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;background:linear-gradient(135deg,#6A4CE0,#A24BE0);
}
.entry-card.alt .ec-icon{background:linear-gradient(135deg,#34CFC0,#3FA9E0);}
.entry-card strong{display:block;font-size:16.5px;color:var(--text-1);margin-bottom:4px;}
.entry-card span{font-size:14px;color:var(--text-3);}
.entry-card .ec-arrow{margin-left:auto;color:var(--primary);font-size:14px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:
    linear-gradient(135deg,rgba(21,15,46,.94),rgba(36,26,74,.92)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  overflow:hidden;
  margin:72px 0 8px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-inner p{color:var(--muted-dark);margin:0;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:linear-gradient(180deg,#150F2E,#241A4A);
  color:var(--muted-dark);
  padding:64px 0 28px;
  border-top:3px solid transparent;
  background-clip:padding-box;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(135deg,#6A4CE0,#A24BE0,#34CFC0);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:17px;}
.footer-col p{font-size:14.5px;color:var(--muted-dark);margin:0;line-height:1.85;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  color:var(--muted-dark);font-size:14.5px;border-bottom:none;
  transition:color .18s ease;
}
.footer-col ul a:hover{color:var(--aqua);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted-dark);}
.footer-contact i{color:var(--gold);font-size:13px;width:16px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#9C95B4;
}
.footer-bottom a{color:#9C95B4;border-bottom-color:transparent;}
.footer-bottom a:hover{color:var(--aqua);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .doc-layout{padding:48px 0 16px;}
  .doc-aside .toc-card{position:static;margin-bottom:24px;}
  .doc-block{padding:28px 24px 24px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:639px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  h2{font-size:24px;}
  .cat-hero{padding:40px 0 48px;}
  .cat-hero .hero-sub{font-size:15.5px;}
  .doc-block{padding:22px 18px 18px;border-radius:var(--radius);}
  .doc-block h2{font-size:21px;padding-left:14px;}
  .point-card.is-offset{margin-top:0;}
  .step-item{padding:16px;}
  .dual-entry{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;border-radius:var(--radius);}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

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

/* roulang page: category2 */
:root{
  --primary:#6A4CE0;
  --primary-dark:#5538C4;
  --secondary:#A24BE0;
  --gold:#F2C14E;
  --cyan:#34CFC0;
  --ink:#241E3A;
  --body:#3A3355;
  --muted:#6B6480;
  --line:#ECE7FA;
  --bg-light:#FAF8FF;
  --bg-card:#FFFFFF;
  --deep-1:#150F2E;
  --deep-2:#241A4A;
  --danger:#E0575A;
  --radius-sm:14px;
  --radius-md:20px;
  --radius-lg:28px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(36,26,74,.08);
  --shadow-md:0 20px 48px rgba(36,26,74,.16);
  --space-section:88px;
  --container:1200px;
  --grad:linear-gradient(135deg,#6A4CE0 0%,#A24BE0 52%,#34CFC0 100%);
}
*,*::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","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg-light);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:#1FA99C;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(106,76,224,.30);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section--light{background:#FFFFFF;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 20px rgba(36,26,74,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:700;
  font-size:17px;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  box-shadow:0 6px 16px rgba(106,76,224,.32);
}
.brand-text{background:linear-gradient(135deg,#241E3A 20%,#6A4CE0 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  color:var(--body);
  font-size:15px;
  font-weight:500;
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-19px;
  height:3px;
  border-radius:3px;
  background:transparent;
  transition:background .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{background:var(--primary);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:#F4F1FF;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  padding:0 16px;
  height:40px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  height:100%;
  width:132px;
  font-size:14px;
  color:var(--body);
}
.nav-search:focus-within{border-color:var(--primary);background:#fff;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 24px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:12px 4px;
  color:var(--body);
  font-size:16px;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--primary);font-weight:700;}
.mobile-drawer .btn{margin-top:16px;width:100%;justify-content:center;border-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(106,76,224,.28);
}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(2px);box-shadow:0 8px 18px rgba(106,76,224,.26);}
.btn-outline{
  background:#fff;
  border-color:rgba(106,76,224,.4);
  color:var(--primary);
}
.btn-outline:hover{background:#F4F1FF;color:var(--primary);transform:translateY(2px);}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 面包屑 / Hero ---------- */
.page-hero{
  position:relative;
  background:
    radial-gradient(circle at 88% 18%,rgba(52,207,192,.16),transparent 46%),
    radial-gradient(circle at 8% 0%,rgba(106,76,224,.18),transparent 52%),
    linear-gradient(180deg,#F3EFFF 0%,#FAF8FF 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(rgba(106,76,224,.16) 1px,transparent 1px),
    radial-gradient(rgba(52,207,192,.14) 1px,transparent 1px);
  background-size:52px 52px,80px 80px;
  background-position:0 0,26px 30px;
  opacity:.7;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:44px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:10px;opacity:.7;}
.hero-grid{display:flex;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.hero-copy{flex:1 1 560px;min-width:280px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  margin-bottom:14px;
}
.page-hero h1 span{
  background:linear-gradient(135deg,#6A4CE0,#A24BE0 55%,#34CFC0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--body);font-size:17px;max-width:640px;}
.hero-side{
  flex:0 0 260px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.mini-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--body);
  box-shadow:var(--shadow-sm);
  font-variant-numeric:tabular-nums;
}
.mini-badge b{color:#B8892A;font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.02em;}

/* ---------- 锚点标签条 ---------- */
.anchor-bar{
  position:sticky;
  top:68px;
  z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
}
.anchor-list{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:14px 0;
  scrollbar-width:none;
}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  height:38px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  background:#F4F1FF;
  color:var(--body);
  font-size:14px;
  font-weight:500;
  transition:background .2s ease,color .2s ease,transform .18s ease;
}
.anchor-list a i{color:var(--primary);font-size:12px;}
.anchor-list a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.anchor-list a:hover i{color:#fff;}

/* ---------- 交错图文块 ---------- */
.feature-block{padding:var(--space-section) 0;}
.feature-block:nth-of-type(even){background:#FFFFFF;}
.feature-row{
  display:flex;
  align-items:center;
  gap:56px;
  flex-wrap:wrap;
}
.feature-row + .feature-row{margin-top:76px;}
.feature-row.is-reverse{flex-direction:row-reverse;}
.feature-media{
  flex:1 1 420px;
  min-width:280px;
  position:relative;
}
.feature-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);
}
.feature-media .num-tag{
  position:absolute;
  top:-16px;left:-16px;
  width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:18px;
  background:#fff;
  color:var(--gold);
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
}
.feature-text{flex:1 1 440px;min-width:280px;}
.feature-text h3{font-size:22px;margin-bottom:14px;}
.feature-text p{color:var(--body);margin-bottom:14px;}
.feature-text p:last-of-type{margin-bottom:20px;}
.point-list{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));}
.point-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  font-size:14.5px;
  color:var(--body);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease;
}
.point-list li:hover{transform:translateY(-4px);border-color:rgba(106,76,224,.3);}
.point-list li i{color:var(--cyan);margin-top:5px;font-size:12px;}

/* ---------- 路径步骤 ---------- */
.steps-band{
  background:linear-gradient(180deg,#150F2E 0%,#241A4A 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.steps-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.28;
  pointer-events:none;
}
.steps-band .container{position:relative;z-index:2;}
.steps-band h2{color:#fff;font-size:30px;}
.steps-band .section-head p{color:#C9C2E8;}
.steps{display:grid;gap:24px;grid-template-columns:repeat(4,minmax(0,1fr));}
.step{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);
  padding:26px 22px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(52,207,192,.5);box-shadow:0 16px 40px rgba(0,0,0,.3);}
.step .step-no{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:14px;
  color:var(--gold);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.step h3{color:#fff;font-size:18px;margin-bottom:10px;}
.step p{color:#C9C2E8;font-size:14.5px;}
.progress-line{margin-top:52px;}
.progress-track{
  height:8px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);
  overflow:hidden;
}
.progress-track span{display:block;height:100%;width:72%;background:var(--grad);border-radius:var(--radius-pill);}
.progress-nodes{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  font-size:13.5px;
  color:#C9C2E8;
}
.progress-nodes b{display:block;color:#fff;font-weight:600;margin-bottom:4px;}
.progress-nodes em{
  font-style:normal;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  color:var(--gold);
  letter-spacing:.02em;
  margin-right:6px;
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;gap:24px;grid-template-columns:1.4fr 1fr 1fr;}
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(106,76,224,.28);}
.scene-card.is-wide{background:linear-gradient(150deg,#FFFFFF 0%,#F6F2FF 100%);}
.scene-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:#F4F1FF;
  color:var(--primary);
  font-size:17px;
  margin-bottom:16px;
}
.scene-card h3{font-size:19px;margin-bottom:10px;}
.scene-card p{color:var(--muted);font-size:15px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 13px;
  border-radius:var(--radius-pill);
  background:#F4F1FF;
  color:var(--primary);
  font-size:12.5px;
  font-weight:600;
}
.tag.is-gold{background:#FDF4E0;color:#A9781F;}
.tag.is-cyan{background:#E4FAF7;color:#1B8F84;}

/* ---------- 数据 / 证据 ---------- */
.stat-band{
  background:#FFFFFF;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats{display:grid;gap:24px;grid-template-columns:repeat(4,minmax(0,1fr));}
.stat{
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  padding:26px 22px;
  background:#FAF8FF;
}
.stat b{
  display:block;
  font-size:32px;
  color:var(--ink);
  font-family:ui-monospace,Menlo,Consolas,monospace;
  letter-spacing:.02em;
  line-height:1.2;
}
.stat b em{font-style:normal;color:var(--gold);}
.stat span{display:block;margin-top:8px;color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:16px;max-width:920px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(106,76,224,.32);box-shadow:var(--shadow-md);}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:20px 24px 20px 30px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .2s ease;
}
.faq-item[open] summary::before{background:var(--primary);}
.faq-item summary i{color:var(--primary);font-size:14px;transition:transform .2s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item p{padding:0 30px 22px;color:var(--muted);font-size:15px;}

/* ---------- 双入口 ---------- */
.dual-entry{
  display:grid;
  gap:20px;
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:44px;
}
.entry-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  border-radius:var(--radius-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  color:var(--ink);
  font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(106,76,224,.3);color:var(--ink);}
.entry-link span small{display:block;margin-top:6px;font-weight:400;font-size:13.5px;color:var(--muted);}
.entry-link i{color:var(--primary);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#150F2E 0%,#241A4A 100%);
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
  mix-blend-mode:screen;
}
.cta-band::after{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad);
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-inner p{color:#C9C2E8;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#150F2E 0%,#241A4A 100%);
  color:#C9C2E8;
  position:relative;
  padding-top:64px;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  gap:36px;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-col p{color:#A79FD0;font-size:14.5px;line-height:1.85;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#C9C2E8;font-size:14.5px;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#A79FD0;}
.footer-contact li i{color:var(--cyan);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8F87BC;
}
.footer-bottom a{color:#8F87BC;}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-search{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .progress-nodes{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-card.is-wide{grid-column:span 2;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-row{gap:36px;}
  .feature-row.is-reverse{flex-direction:row;}
}
@media screen and (max-width:639px){
  :root{--space-section:48px;}
  .container{padding-left:20px;padding-right:20px;}
  .page-hero .container{padding-top:26px;padding-bottom:34px;}
  .hero-side{justify-content:flex-start;}
  .feature-row + .feature-row{margin-top:52px;}
  .point-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .progress-nodes{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card.is-wide{grid-column:span 1;}
  .stats{grid-template-columns:1fr;}
  .dual-entry{grid-template-columns:1fr;}
  .faq-item summary{font-size:16px;padding:18px 18px 18px 24px;}
  .faq-item p{padding:0 24px 20px;}
  .cta-inner{padding:52px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .feature-media .num-tag{top:-12px;left:-8px;width:48px;height:48px;font-size:17px;}
}