/* roulang page: index */
:root{
  --brand:#6C4CF1;
  --brand-dark:#5A3BE0;
  --brand-soft:#F2EEF9;
  --accent:#FF6B2C;
  --accent-dark:#E9551A;
  --mint:#16C8B8;
  --bg:#FBF9F6;
  --ink:#16121F;
  --ink-2:#241E33;
  --text:#1B1723;
  --text-2:#5B5568;
  --text-3:#8C8698;
  --line:#E8E3F0;
  --r-card:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,23,35,.04),0 12px 32px -12px rgba(27,23,35,.16);
  --shadow-2:0 2px 4px rgba(27,23,35,.06),0 20px 44px -14px rgba(108,76,241,.28);
  --section-y:96px;
  --bs-primary:#6C4CF1;
  --bs-primary-rgb:108,76,241;
  --bs-body-color:#1B1723;
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-border-radius:20px;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#5A3BE0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background-color .25s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.3;color:var(--text);letter-spacing:0;margin:0}
p{margin:0 0 1em}
:focus-visible{outline:3px solid rgba(108,76,241,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-inline:24px}
.num{font-family:"Space Grotesk",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1040;
  background:rgba(251,249,246,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.site-nav.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(27,23,35,.55)}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--text)}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--brand),#8E6BFF);
  color:#fff;font-size:16px;font-weight:700;display:grid;place-items:center;
  font-family:"Space Grotesk",sans-serif;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-item-link{
  position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:9px;
}
.nav-item-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.nav-item-link:hover{color:var(--brand);background:rgba(108,76,241,.06)}
.nav-item-link:hover::after{transform:scaleX(1)}
.nav-item-link.active{color:var(--brand);font-weight:600}
.nav-item-link.active::after{transform:scaleX(1)}
.nav-divider{width:1px;height:26px;background:var(--line);margin-left:auto;margin-right:4px}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--text-2);font-size:14px;font-weight:500;
  transition:all .25s ease;
}
.search-btn:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:none;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 22px -14px rgba(255,107,44,.9);
  transition:all .25s ease;
}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-pill{border-radius:var(--r-pill);padding:12px 26px}
.drawer-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.drawer-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px}

/* ============ 抽屉 ============ */
.drawer{background:var(--ink);color:#fff;width:min(92vw,420px)}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px 24px}
.drawer-title{font-weight:800;font-size:18px;color:#fff}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:24px;line-height:1;display:grid;place-items:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer .offcanvas-body{display:flex;flex-direction:column;padding:24px;gap:10px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;flex:1}
.drawer-nav a{
  padding:14px 12px;border-radius:14px;color:rgba(255,255,255,.82);
  font-size:19px;font-weight:700;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(108,76,241,.22);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:var(--section-y) 0}
.section--alt{background:var(--brand-soft)}
.section--dark{background:var(--ink);color:rgba(255,255,255,.78)}
.section--dark h2,.section--dark h3{color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(108,76,241,.1);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.sec-title{font-size:32px}
.sec-sub{margin-top:14px;color:var(--text-2);font-size:16px}
.section--dark .sec-sub{color:rgba(255,255,255,.7)}
.sec-head--center{margin-inline:auto;text-align:center}

/* ============ 按钮 ============ */
.btn-primary-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-btn);border:none;
  background:var(--brand);color:#fff;font-weight:600;font-size:16px;
  box-shadow:0 14px 28px -16px rgba(108,76,241,.95);transition:all .25s ease;
}
.btn-primary-x:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-weight:600;font-size:16px;
  transition:all .25s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}

/* ============ 首屏 ============ */
.hero{padding:60px 0 90px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(108,76,241,.14),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;position:relative}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:13.5px;font-weight:600;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block}
.hero h1{font-size:48px;margin:22px 0 0}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{margin-top:20px;font-size:17px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-notes{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;color:var(--text-3);font-size:13.5px}
.hero-notes span{display:inline-flex;align-items:center;gap:7px}
.hero-notes span::before{content:"✓";color:var(--mint);font-weight:700}
.hero-media{
  position:relative;border-radius:28px 28px 28px 8px;overflow:hidden;
  height:480px;box-shadow:var(--shadow-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(22,18,31,.78);color:#fff;border-radius:14px;padding:12px 16px;
  font-size:13.5px;
}
.hero-media figcaption strong{display:block;font-size:15px;margin-bottom:2px}

/* ============ 数据条 ============ */
.stat-strip{margin-top:-38px;position:relative;z-index:2}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.stat-cell{padding:26px 24px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:none}
.stat-num{font-size:30px;font-weight:700;color:var(--brand)}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* ============ 亮点错落网格 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;padding-bottom:26px}
.feature-card{
  grid-column:span 3;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease;
}
.feature-card.small{grid-column:span 2}
.feature-card:nth-child(even){transform:translateY(22px)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-card:nth-child(even):hover{transform:translateY(18px)}
.feature-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-soft)}
.feature-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-thumb img{transform:scale(1.03)}
.feature-body{padding:22px}
.feature-body h3{font-size:20px;margin-bottom:10px}
.feature-body p{color:var(--text-2);font-size:14.5px;margin:0}
.feature-tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(22,200,184,.12);color:#0E9E92;font-size:12.5px;font-weight:600;margin-bottom:12px;
}

/* ============ 议程时间线 ============ */
.timeline{
  display:flex;gap:20px;overflow-x:auto;padding:14px 4px 30px;
  scroll-snap-type:x mandatory;
}
.timeline::-webkit-scrollbar{height:6px}
.timeline::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.tl-item{
  flex:0 0 254px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-time{font-size:22px;font-weight:700;color:var(--accent)}
.tl-line{display:flex;align-items:center;gap:10px;margin:14px 0 12px}
.tl-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 8px rgba(255,107,44,.16);flex:0 0 12px}
.tl-rule{flex:1;height:1px;background:var(--line)}
.tl-item h3{font-size:18px;margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--text-2);margin:0}
.timeline-hint{margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* ============ 席位方案 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;padding-top:16px}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;
  box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-name{font-size:20px;font-weight:800}
.plan-price{margin:18px 0 6px;font-size:34px;font-weight:700;color:var(--brand)}
.plan-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px}
.plan-desc{font-size:14px;color:var(--text-2);margin-bottom:18px}
.plan-list{list-style:none;padding:0;margin:0 0 24px}
.plan-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);margin-bottom:10px}
.plan-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--mint);font-weight:700}
.plan--featured{
  background:var(--ink);border-color:var(--accent);transform:translateY(-12px);
  box-shadow:0 30px 60px -30px rgba(22,18,31,.85);
}
.plan--featured .plan-name,.plan--featured .plan-price{color:#fff}
.plan--featured .plan-desc,.plan--featured .plan-list li{color:rgba(255,255,255,.76)}
.plan--featured:hover{transform:translateY(-16px)}
.badge-rec{
  padding:5px 13px;border-radius:var(--r-pill);background:var(--accent);color:#fff;
  font-size:12.5px;font-weight:700;white-space:nowrap;
}

/* ============ 资讯列表 ============ */
.news-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-thumb{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--brand-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.badge-mint{
  align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(22,200,184,.12);color:#0E9E92;font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.news-title{font-size:18px;margin-bottom:10px;line-height:1.5}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--brand)}
.news-desc{
  color:var(--text-2);font-size:14px;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--text-3);
}
.news-more{font-weight:600;font-size:13.5px}
.news-more:hover{color:var(--accent)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:52px 24px;text-align:center;
  background:#fff;color:var(--text-2);
}
.empty-state strong{display:block;font-size:17px;color:var(--text);margin-bottom:8px}
.empty-actions{display:flex;justify-content:center;gap:14px;margin-top:20px;flex-wrap:wrap}

/* ============ 玩家反馈 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--shadow-1);
}
.quote-card:nth-child(2){transform:translateY(18px)}
.quote-text{font-size:15px;color:var(--text-2)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);
  display:grid;place-items:center;font-weight:800;color:var(--brand);
}
.quote-name{font-weight:700;font-size:14.5px}
.quote-role{font-size:13px;color:var(--text-3)}
.quote-stars{color:var(--accent);font-size:13px;letter-spacing:2px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent}
.accordion-button{
  background:transparent;box-shadow:none;padding:24px 0;
  font-size:18px;font-weight:700;color:var(--text);gap:16px;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(108,76,241,.35);outline-offset:-3px}
.accordion-button::after{background-size:14px;width:14px;height:14px;opacity:.6}
.faq-no{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:rgba(108,76,241,.1);
  color:var(--brand);font-size:14px;font-weight:700;display:grid;place-items:center;
  font-family:"Space Grotesk",sans-serif;
}
.accordion-body{padding:0 0 26px 50px;color:var(--text-2);font-size:15px;max-width:760px}

/* ============ 报名 CTA ============ */
.cta-band{background:var(--ink);padding:var(--section-y) 0;color:rgba(255,255,255,.78)}
.cta-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.cta-grid h2{font-size:32px;color:#fff}
.cta-grid p{margin-top:16px;font-size:15.5px}
.cta-points{list-style:none;padding:0;margin:24px 0 0}
.cta-points li{position:relative;padding-left:24px;margin-bottom:10px;font-size:14.5px}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--mint)}
.signup-form{
  background:#fff;border-radius:var(--r-card);padding:28px;color:var(--text);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.7);
}
.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.form-field input,.form-field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg);font-size:14.5px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,76,241,.18);background:#fff;
}
.form-submit-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-submit-row .btn-accent{flex:1 1 auto}
.form-note{font-size:12.5px;color:var(--text-3);margin:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;max-width:330px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.66);font-size:14px}
.footer-list a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero h1{font-size:42px}
  .hero-media{height:430px}
  .feature-card.small{grid-column:span 3}
}
@media (max-width:991.98px){
  :root{--section-y:72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{height:auto;aspect-ratio:16/10}
  .feature-grid{grid-template-columns:repeat(4,1fr)}
  .feature-card,.feature-card.small{grid-column:span 4}
  .feature-card:nth-child(even){transform:none}
  .feature-card:nth-child(even):hover{transform:translateY(-4px)}
  .plan-grid{grid-template-columns:1fr}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-4px)}
  .quote-grid{grid-template-columns:1fr}
  .quote-card:nth-child(2){transform:none}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-cell{border-bottom:1px solid var(--line)}
  .stat-cell:nth-child(2n){border-right:none}
  .sec-title{font-size:26px}
  .hero h1{font-size:34px}
  .timeline{scroll-snap-type:none}
}
@media (max-width:575.98px){
  .container{padding-inline:18px}
  .hero{padding:36px 0 66px}
  .hero h1{font-size:30px}
  .hero-media{border-radius:20px 20px 20px 8px}
  .stat-cell{padding:20px 16px}
  .stat-num{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#6C4CF1;
  --brand-dark:#5A3BE0;
  --brand-soft:#F2EEF9;
  --accent:#FF6B2C;
  --mint:#16C8B8;
  --bg:#FBF9F6;
  --bg-alt:#F2EEF9;
  --ink:#16121F;
  --text:#1B1723;
  --text-2:#5B5568;
  --text-3:#8C8698;
  --line:#E8E3F0;
  --radius-card:20px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(27,23,35,.04), 0 12px 32px -12px rgba(27,23,35,.16);
  --shadow-2:0 2px 4px rgba(27,23,35,.06), 0 20px 44px -14px rgba(108,76,241,.28);
  --section-y:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;
  --bs-primary:#6C4CF1;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:#1B1723;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#5A3BE0;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease, border-color .2s ease;}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
:focus-visible{outline:3px solid rgba(108,76,241,.35);outline-offset:2px;border-radius:6px;}
.container,.container-lg,.container-md,.container-sm,.container-xl{
  max-width:1200px !important;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.btn-primary,
.btn-outline,
.btn-accent{transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:var(--radius-btn);
  box-shadow:0 8px 20px -12px rgba(108,76,241,.7);
}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:var(--radius-btn);border:1px solid rgba(108,76,241,.45);
}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  padding:11px 24px;border-radius:var(--radius-pill);
  box-shadow:0 10px 24px -14px rgba(255,107,44,.85);
}
.btn-accent:hover{background:#F0561A;color:#fff;transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--radius-pill);
  padding:5px 14px;line-height:1.4;
}
.tag--mint{color:#0E8C81;background:rgba(22,200,184,.14);}
.tag--accent{color:#D14E12;background:rgba(255,107,44,.14);}

/* ---------- header ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand);z-index:1090;transition:width .1s linear;}
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,249,246,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(27,23,35,.04),0 14px 30px -22px rgba(27,23,35,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}
.header-left{display:flex;align-items:center;gap:28px;flex:1 1 55%;min-width:0;}
.header-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;
  box-shadow:0 8px 18px -10px rgba(108,76,241,.9);
}
.nav-links{align-items:center;gap:4px;margin:0;}
.nav-item-link{
  position:relative;display:inline-block;
  padding:9px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:8px;
}
.nav-item-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-item-link:hover{color:var(--brand);}
.nav-item-link:hover::after{transform:scaleX(1);}
.nav-item-link.active{color:var(--brand);font-weight:600;}
.nav-item-link.active::after{transform:scaleX(1);}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(108,76,241,.18);}
.menu-toggle{display:none;}
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 34px -26px rgba(27,23,35,.5);
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.search-panel.is-open{max-height:120px;}
.search-form{display:flex;gap:12px;padding:16px 0;align-items:center;}
.search-form input{
  flex:1;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:11px 16px;font-size:15px;background:var(--bg);color:var(--text);
}
.search-form input::placeholder{color:var(--text-3);}
.search-form input:focus{border-color:rgba(108,76,241,.5);outline:none;box-shadow:0 0 0 3px rgba(108,76,241,.12);}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1080;
  background:var(--ink);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:22px 24px 28px;
  transform:translateY(-100%);
  transition:transform .35s cubic-bezier(.4,0,.2,1);
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;}
.drawer-close{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;color:#fff;
  background:rgba(255,255,255,.08);
}
.drawer-close:hover{background:rgba(255,255,255,.16);}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin:36px 0 auto;}
.drawer-nav a{
  color:#fff;font-size:24px;font-weight:700;padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer-nav a.active{color:var(--accent);}
.drawer-nav a:hover{color:var(--accent);}
.drawer-cta{width:100%;margin-top:24px;padding:15px 24px;font-size:16px;}

/* ---------- article header ---------- */
.article-hero{padding:52px 0 8px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{width:16px;height:1px;background:var(--line);display:inline-block;}
.crumb .current{color:var(--text-2);}
.article-title{
  font-size:44px;line-height:1.35;font-weight:800;
  max-width:820px;margin:20px 0 20px;
  word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--text-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-cover{
  margin:34px auto 0;max-width:960px;
  border-radius:var(--radius-card);overflow:hidden;
  aspect-ratio:16/9;box-shadow:var(--shadow-1);background:var(--brand-soft);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- article body ---------- */
.article-shell{padding:56px 0 24px;}
.article-body{
  max-width:820px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.6em;}
.article-body h2{
  position:relative;font-size:30px;line-height:1.35;font-weight:800;
  margin:40px 0 16px;padding-left:18px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:21px;font-weight:600;color:var(--brand);margin:32px 0 12px;}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:4px;}
.article-body ul li{list-style:none;position:relative;padding-left:22px;margin-bottom:.7em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--mint);
}
.article-body ol{padding-left:24px;}
.article-body ol li{margin-bottom:.7em;padding-left:4px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;font-family:var(--font-num);}
.article-body blockquote{
  margin:28px 0;padding:20px 26px;
  background:var(--bg-alt);border-left:4px solid var(--brand);
  border-radius:0 16px 16px 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figure img{margin:0;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(108,76,241,.35);}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.article-body strong{font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--bg-alt);font-weight:700;}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--radius-card);
  background:var(--bg-alt);padding:64px 28px;text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px;color:var(--text);}
.empty-state p{color:var(--text-2);margin-bottom:22px;}
.article-foot{
  max-width:820px;margin:36px auto 0;
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.article-foot .tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- related ---------- */
.related{padding:var(--section-y) 0;background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:32px;margin-bottom:12px;}
.section-head p{color:var(--text-2);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .25s ease, box-shadow .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.info-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-soft);}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card h3{font-size:19px;line-height:1.45;font-weight:700;color:var(--text);}
.info-card h3 a{color:var(--text);}
.info-card h3 a:hover{color:var(--brand);}
.info-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.info-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.info-card .more{font-weight:600;color:var(--brand);}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:#fff;padding:80px 0;}
.cta-inner{display:flex;flex-wrap:wrap;gap:36px;align-items:center;justify-content:space-between;}
.cta-copy{flex:1 1 520px;max-width:600px;}
.cta-copy h2{font-size:32px;line-height:1.35;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 26px;border-radius:var(--radius-btn);font-weight:700;font-size:15px;
  color:#fff;border:1px solid rgba(255,255,255,.32);
  transition:background-color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.06);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:14px;line-height:1.7;}
.footer-list a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.footer-list a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.footer-contact li{color:rgba(255,255,255,.62);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid rgba(108,76,241,.5);color:var(--brand);
  display:grid;place-items:center;z-index:1040;
  opacity:0;visibility:hidden;
  box-shadow:var(--shadow-1);
  transition:opacity .25s ease, visibility .25s ease, transform .25s ease, background-color .2s ease;
}
.to-top:hover{background:var(--brand-soft);transform:translateY(-2px);}
.to-top.is-visible{opacity:1;visibility:visible;}

@media (max-width:1199.98px){
  .article-title{font-size:40px;}
}
@media (max-width:991.98px){
  :root{--section-y:72px;}
  .menu-toggle{display:inline-flex;}
  .header-left{flex:1 1 auto;gap:16px;}
  .brand-text{font-size:16px;}
  .article-title{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  :root{--section-y:56px;}
  .container,.container-lg,.container-md,.container-sm,.container-xl{padding-left:18px;padding-right:18px;}
  .article-hero{padding:34px 0 4px;}
  .article-title{font-size:30px;margin:16px 0 16px;}
  .article-shell{padding:36px 0 16px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:24px;margin:32px 0 14px;}
  .article-body h3{font-size:19px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .section-head h2{font-size:26px;}
  .cta-band{padding:56px 0;}
  .cta-copy h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .search-form{flex-direction:column;align-items:stretch;padding:14px 0;}
}
@media (max-width:520px){
  .article-meta{font-size:13px;gap:9px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{flex:1 1 auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#6C4CF1;
  --brand-dark:#5A3BE0;
  --brand-soft:#F2EEF9;
  --accent:#FF6B2C;
  --accent-dark:#E85A1E;
  --mint:#16C8B8;
  --bg:#FBF9F6;
  --bg-alt:#F2EEF9;
  --ink:#16121F;
  --text:#1B1723;
  --text-2:#5B5568;
  --text-3:#8C8698;
  --line:#E8E3F0;
  --r-card:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,23,35,.04), 0 12px 32px -12px rgba(27,23,35,.16);
  --sh-2:0 2px 4px rgba(27,23,35,.06), 0 20px 44px -14px rgba(108,76,241,.28);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;
  --bs-primary:#6C4CF1;
  --bs-body-color:#1B1723;
  --bs-body-bg:#FBF9F6;
  --bs-border-color:#E8E3F0;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,box-shadow .22s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{
  font-weight:800;
  line-height:1.3;
  letter-spacing:.01em;
  color:var(--text);
  margin:0;
}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(108,76,241,.35);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-ink{background:var(--ink);color:#F4F1F8;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  height:68px;
  display:flex;
  align-items:center;
  background:rgba(251,249,246,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(27,23,35,.4);
}
.nav-inner{display:flex;align-items:center;gap:28px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--brand);color:#fff;
  font-family:var(--mono);font-weight:700;font-size:18px;
  display:grid;place-items:center;
}
.brand-text{font-weight:800;font-size:18px;color:var(--text);letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease;
}
.nav-item-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-item-link:hover{color:var(--text);}
.nav-item-link:hover::after{transform:scaleX(1);}
.nav-item-link.active{color:var(--brand);font-weight:600;}
.nav-item-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;padding-left:22px;border-left:1px solid var(--line);}
.nav-search{
  width:190px;
  height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  padding:0 16px 0 38px;
  font-size:14px;
  color:var(--text);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238C8698' stroke-width='2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:14px 50%;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(108,76,241,.12);outline:none;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;
  background:var(--accent);color:#fff;
  border:none;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(255,107,44,.9);}
.menu-toggle{
  margin-left:auto;
  width:46px;height:46px;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;border-radius:12px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.drawer{background:var(--ink);color:#F4F1F8;width:min(88vw,380px);}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);}
.drawer .drawer-title{font-weight:800;color:#fff;font-size:18px;}
.drawer .btn-close{filter:invert(1) grayscale(1);opacity:.75;width:44px;height:44px;}
.drawer .offcanvas-body{display:flex;flex-direction:column;padding-top:28px;}
.drawer nav a{
  display:block;
  font-size:20px;font-weight:700;
  color:#F4F1F8;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer nav a.active{color:#B9A8FF;}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  background:var(--brand);color:#fff;
  border-radius:var(--r-btn);
  font-weight:700;font-size:16px;
  border:1px solid var(--brand);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  background:transparent;color:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--r-btn);
  font-weight:700;font-size:16px;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-pill-accent{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 34px;
  background:var(--accent);color:#fff;
  border-radius:var(--r-pill);
  font-weight:700;font-size:16px;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-pill-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -18px rgba(255,107,44,.95);}

.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;font-weight:600;
}
.badge-tag.mint{background:rgba(22,200,184,.14);color:#0E9C90;}
.badge-tag.accent{background:rgba(255,107,44,.14);color:var(--accent-dark);}

/* ---------- 分类页 Banner ---------- */
.cat-banner{
  background:linear-gradient(180deg,#F7F3FC 0%,var(--bg-alt) 60%,var(--bg-alt) 100%);
  padding:72px 0 80px;
  overflow:hidden;
}
.cat-banner-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.cat-banner h1{
  font-size:48px;
  margin:18px 0 16px;
}
.cat-banner .lead{
  font-size:17px;
  color:var(--text-2);
  max-width:520px;
  margin-bottom:26px;
}
.cat-banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.cat-banner-media{
  position:relative;
  border-radius:28px 28px 28px 8px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:16/11;
}
.cat-banner-media img{width:100%;height:100%;object-fit:cover;}
.cat-banner-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(22,18,31,.28) 0%,rgba(22,18,31,0) 55%);
}
.banner-stats{
  display:flex;gap:36px;flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(108,76,241,.18);
}
.banner-stats .num{
  font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);
  display:block;line-height:1.2;
}
.banner-stats .lbl{font-size:13px;color:var(--text-3);}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head .eyebrow{
  font-family:var(--mono);
  font-size:13px;font-weight:700;
  color:var(--accent);
  text-transform:uppercase;
  letter-spacing:.06em;
  display:block;margin-bottom:12px;
}
.sec-head h2{font-size:32px;margin-bottom:14px;}
.sec-head p{color:var(--text-2);margin:0;}

/* ---------- 速览错落网格 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.panel-dark{
  background:var(--ink);
  color:#F4F1F8;
  border-color:rgba(255,255,255,.08);
}
.panel-dark h3{color:#fff;}
.panel-dark p{color:#B9B3C6;}
.panel h3{font-size:21px;margin-bottom:12px;}
.panel p{color:var(--text-2);margin-bottom:0;}
.mini-stack{display:grid;gap:24px;}
.mini{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--mint);
  border-radius:16px;
  padding:24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mini h4{font-size:17px;margin-bottom:6px;}
.mini p{font-size:14px;color:var(--text-2);margin:0;}
.mini .mini-num{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);
  display:block;margin-bottom:8px;
}
.check-list{margin-top:20px;display:grid;gap:10px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:12px;height:12px;
  border-radius:4px;
  background:rgba(22,200,184,.18);
  border:1px solid var(--mint);
}

/* ---------- Z 字图文流 ---------- */
.z-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:44px 0;
}
.z-row + .z-row{border-top:1px solid var(--line);}
.z-row.reverse .z-media{order:2;}
.z-media{
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--sh-1);
}
.z-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.z-media:hover img{transform:scale(1.03);}
.z-body h3{font-size:24px;margin:14px 0 14px;}
.z-body p{color:var(--text-2);}
.z-body p:last-child{margin-bottom:0;}
.z-index{
  font-family:var(--mono);
  font-size:14px;font-weight:700;
  color:var(--text-3);
}
.z-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:6px 0;
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;gap:16px;
  background:none;border:none;
  text-align:left;
  padding:22px 0;
  font-size:18px;font-weight:700;
  color:var(--text);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .q-num{
  font-family:var(--mono);
  color:var(--brand);
  font-size:15px;font-weight:700;
  line-height:1.9;
  flex:0 0 auto;
}
.faq-q .q-icon{
  margin-left:auto;flex:0 0 auto;
  width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);
  position:relative;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-q .q-icon::before,.faq-q .q-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand);transform:translate(-50%,-50%);
}
.faq-q .q-icon::before{width:10px;height:2px;}
.faq-q .q-icon::after{width:2px;height:10px;transition:opacity .2s ease;}
.faq-q[aria-expanded="true"]{color:var(--brand);}
.faq-q[aria-expanded="true"] .q-icon{background:var(--brand-soft);border-color:var(--brand);transform:rotate(180deg);}
.faq-q[aria-expanded="true"] .q-icon::after{opacity:0;}
.faq-a{
  max-width:760px;
  padding:0 0 24px 34px;
  color:var(--text-2);
  font-size:15.5px;
  display:none;
}
.faq-a.open{display:block;}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--accent);
  border-radius:28px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  gap:32px;
  justify-content:space-between;
  flex-wrap:wrap;
  box-shadow:0 22px 44px -24px rgba(255,107,44,.85);
}
.cta-bar h2{font-size:28px;color:#fff;margin-bottom:8px;}
.cta-bar p{color:rgba(255,255,255,.9);margin:0;max-width:560px;}
.cta-bar .btn-ink{
  display:inline-flex;align-items:center;
  padding:15px 34px;
  background:var(--ink);color:#fff;
  border-radius:var(--r-pill);
  font-weight:700;
  transition:transform .22s ease,background .22s ease;
}
.cta-bar .btn-ink:hover{background:#241E33;color:#fff;transform:translateY(-2px);}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);
  margin-top:24px;
}
.back-link:hover{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C4D4;padding:72px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand);}
.footer-brand span:last-child{color:#fff;font-weight:800;font-size:18px;}
.footer-about{font-size:14px;color:#9C96AB;max-width:320px;}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;font-size:14px;}
.footer-list a{color:#C9C4D4;}
.footer-list a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:#9C96AB;font-size:14px;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C8698;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-banner h1{font-size:42px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .cat-banner{padding:56px 0 64px;}
  .cat-banner-grid{grid-template-columns:1fr;gap:36px;}
  .cat-banner h1{font-size:36px;}
  .cat-banner-media{aspect-ratio:16/10;}
  .flow-grid{grid-template-columns:1fr;}
  .z-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .z-row.reverse .z-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-bar{padding:36px 32px;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .cat-banner h1{font-size:30px;}
  .cat-banner .lead{font-size:16px;}
  .sec-head h2{font-size:26px;}
  .sec-head{margin-bottom:32px;}
  .panel{padding:24px;}
  .panel h3{font-size:19px;}
  .z-body h3{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;border-radius:20px;}
  .cta-bar h2{font-size:22px;}
  .faq-q{font-size:16px;gap:12px;}
  .faq-a{padding-left:0;}
  .btn-main,.btn-ghost{padding:12px 20px;font-size:15px;width:100%;justify-content:center;}
  .cat-banner-actions{gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#6C4CF1;
  --brand-dark:#5A3BE0;
  --brand-soft:#F2EEF9;
  --accent:#FF6B2C;
  --accent-dark:#E85A1D;
  --mint:#16C8B8;
  --bg:#FBF9F6;
  --bg-alt:#F2EEF9;
  --ink:#16121F;
  --text:#1B1723;
  --text-2:#5B5568;
  --text-3:#8C8698;
  --line:#E8E3F0;
  --radius-card:20px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(27,23,35,.04),0 12px 32px -12px rgba(27,23,35,.16);
  --shadow-lg:0 2px 4px rgba(27,23,35,.06),0 20px 44px -14px rgba(108,76,241,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Space Grotesk","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;

  --bs-primary:#6C4CF1;
  --bs-primary-rgb:108,76,241;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#1B1723;
  --bs-body-bg:#FBF9F6;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#5A3BE0;
  --bs-border-color:#E8E3F0;
  --bs-border-radius:12px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{font-weight:800;line-height:1.3;letter-spacing:.01em;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(108,76,241,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ 通用组件 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--ink);color:#F6F3FA;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:32px;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}
.section-dark .section-head p{color:rgba(246,243,250,.72);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1.4;
  background:rgba(108,76,241,.1);color:var(--brand);
}
.tag-accent{background:rgba(255,107,44,.12);color:var(--accent-dark);}
.tag-mint{background:rgba(22,200,184,.14);color:#0E9C90;}
.tag-light{background:rgba(255,255,255,.14);color:#fff;}
.tag-dark{background:rgba(255,107,44,.16);color:#FFB185;}

.btn-main,.btn-accent,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border:none;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-main{background:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-accent{background:var(--accent);color:#fff;border-radius:var(--radius-pill);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 18px 36px -16px rgba(255,107,44,.6);}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:rgba(108,76,241,.35);color:var(--brand-dark);text-decoration:none;}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none;border-color:rgba(255,255,255,.6);}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(251,249,246,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -18px rgba(27,23,35,.4);
  background:rgba(251,249,246,.95);
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#8E6BFF);
  color:#fff;font-weight:800;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em;}

.nav-links{align-items:center;gap:6px;}
.nav-item-link{
  position:relative;
  padding:8px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease;
}
.nav-item-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;
}
.nav-item-link:hover{color:var(--brand);text-decoration:none;}
.nav-item-link:hover::after{transform:scaleX(1);}
.nav-item-link.active{color:var(--brand);font-weight:600;}
.nav-item-link.active::after{transform:scaleX(1);}

.header-side{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;padding:0 6px 0 14px;height:40px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:rgba(108,76,241,.5);box-shadow:0 0 0 3px rgba(108,76,241,.14);}
.nav-search input{
  border:none;background:transparent;outline:none;
  width:140px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:none;background:var(--brand-soft);color:var(--brand);
  width:30px;height:30px;border-radius:50%;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-sm-cta{padding:10px 22px;font-size:14px;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block;}

.nav-drawer{
  position:fixed;inset:0;z-index:1200;
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:22px 24px 28px;
  transform:translateX(100%);
  transition:transform .3s ease;
  visibility:hidden;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#fff;}
.drawer-head .brand-name{color:#fff;font-size:17px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:#fff;font-size:22px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;gap:8px;margin-top:38px;flex:1;}
.drawer-links a{
  color:#F6F3FA;font-size:22px;font-weight:700;padding:12px 4px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer-links a:hover{color:#FFB185;text-decoration:none;}
.drawer-cta{width:100%;padding:16px;font-size:16px;}

body.drawer-open{overflow:hidden;}

/* ============ 首屏大图 Banner ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink);}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(22,18,31,.94) 0%,rgba(22,18,31,.85) 46%,rgba(22,18,31,.62) 100%);
}
.hero-content{position:relative;z-index:2;padding-top:72px;padding-bottom:64px;color:#fff;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:26px;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb .sep{width:14px;height:1px;background:rgba(255,255,255,.32);display:inline-block;}
.crumb .current{color:rgba(255,255,255,.6);}
.page-hero h1{
  font-size:48px;line-height:1.24;max-width:900px;margin:20px 0 18px;
}
.hero-sub{
  max-width:700px;font-size:17px;line-height:1.85;
  color:rgba(246,243,250,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:52px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:26px;
}
.hero-stats li{padding-right:20px;}
.hero-stats li + li{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.hero-stats strong{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:700;
  color:#fff;line-height:1.2;
}
.hero-stats strong em{font-style:normal;font-size:15px;margin-left:3px;color:rgba(255,255,255,.7);}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 编号清单 ============ */
.step-list{border-top:1px solid var(--line);}
.step-item{
  display:grid;grid-template-columns:130px minmax(0,1fr);
  gap:32px;padding:36px 0;border-bottom:1px solid var(--line);
  transition:background .25s ease,transform .25s ease;
}
.step-item:hover{background:rgba(108,76,241,.035);transform:translateX(4px);}
.step-num{
  font-family:var(--font-num);font-size:56px;font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(108,76,241,.5);
  letter-spacing:.02em;
}
.step-item:hover .step-num{-webkit-text-stroke-color:var(--brand);}
.step-body h3{font-size:22px;margin-bottom:10px;}
.step-body p{color:var(--text-2);max-width:760px;}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.step-meta span{
  font-size:13px;color:var(--text-3);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:5px 13px;background:#fff;
}
.step-meta span strong{color:var(--brand);font-weight:600;}

/* ============ 对比说明块 ============ */
.compare-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.compare-cards{display:grid;gap:16px;}
.compare-card{
  background:#fff;border-radius:var(--radius-card);
  padding:26px 26px 22px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.compare-card.is-feature{
  border-color:rgba(255,107,44,.4);
  box-shadow:0 2px 4px rgba(27,23,35,.05),0 22px 44px -20px rgba(255,107,44,.5);
}
.compare-card h3{font-size:19px;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.compare-card h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);display:inline-block;}
.compare-card.is-feature h3 .dot{background:var(--accent);}
.compare-list{margin-top:14px;display:grid;gap:10px;}
.compare-list li{
  position:relative;padding-left:24px;font-size:15px;color:var(--text-2);
}
.compare-list li::before{
  content:"";position:absolute;left:2px;top:9px;
  width:8px;height:8px;border-radius:2px;background:var(--mint);
}
.compare-media{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-sm);}
.compare-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ 亮点错落网格 ============ */
.highlight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.highlight-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.highlight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.highlight-card:nth-child(2){margin-top:24px;}
.highlight-card:nth-child(5){margin-top:24px;}
.highlight-thumb{overflow:hidden;aspect-ratio:4/3;}
.highlight-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.highlight-card:hover .highlight-thumb img{transform:scale(1.03);}
.highlight-body{padding:22px 22px 26px;}
.highlight-body h3{font-size:19px;margin-bottom:10px;}
.highlight-body p{font-size:15px;color:var(--text-2);}
.highlight-tag{margin-bottom:14px;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:18px;
  padding:24px 0;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--radius-pill);
  padding:4px 12px;flex:0 0 auto;margin-top:3px;
}
.faq-q{flex:1;font-size:18px;font-weight:600;line-height:1.55;transition:color .2s ease;}
.faq-item[open] .faq-q{color:var(--brand);}
.faq-icon{
  width:22px;height:22px;flex:0 0 auto;position:relative;margin-top:6px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-3);border-radius:2px;
  transition:transform .25s ease,background .25s ease;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-item[open] .faq-icon::before{background:var(--brand);}
.faq-a{max-width:760px;padding:0 0 26px 66px;color:var(--text-2);font-size:15.5px;}

/* ============ 报名 CTA ============ */
.signup-section{background:var(--ink);color:#F6F3FA;padding:96px 0;}
.signup-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;}
.signup-copy h2{font-size:32px;color:#fff;margin:18px 0 16px;}
.signup-copy p{color:rgba(246,243,250,.75);max-width:520px;}
.signup-points{margin-top:26px;display:grid;gap:12px;}
.signup-points li{
  position:relative;padding-left:26px;font-size:15px;color:rgba(246,243,250,.8);
}
.signup-points li::before{
  content:"";position:absolute;left:0;top:8px;
  width:9px;height:9px;border-radius:3px;background:var(--mint);
}
.signup-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:28px;
}
.form-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;
  gap:14px;align-items:end;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:rgba(246,243,250,.7);}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(22,18,31,.55);color:#fff;
  padding:0 14px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(246,243,250,.4);}
.field input:focus,.field select:focus{
  border-color:rgba(255,107,44,.65);
  box-shadow:0 0 0 3px rgba(255,107,44,.18);
}
.field select option{background:#1E1930;color:#fff;}
.signup-form .btn-accent{height:48px;padding:0 30px;white-space:nowrap;}
.form-note{margin-top:16px;font-size:13px;color:rgba(246,243,250,.55);}

/* ============ 返回入口 ============ */
.return-bar{padding:72px 0;background:var(--bg);}
.return-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:32px 34px;
}
.return-inner h3{font-size:20px;margin-bottom:6px;}
.return-inner p{color:var(--text-2);font-size:15px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(246,243,250,.72);padding:72px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;color:#fff;
  font-weight:800;font-size:17px;margin-bottom:16px;
}
.footer-brand:hover{color:#fff;text-decoration:none;}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(246,243,250,.6);max-width:340px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list{display:grid;gap:11px;font-size:14.5px;}
.footer-list a{color:rgba(246,243,250,.72);}
.footer-list a:hover{color:#FFB185;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:rgba(246,243,250,.6);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(246,243,250,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:42px;}
  .highlight-grid{gap:20px;}
}
@media (max-width:991px){
  .section,.signup-section{padding:72px 0;}
  .page-hero h1{font-size:36px;}
  .hero-content{padding-top:52px;padding-bottom:48px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:22px;}
  .hero-stats li:nth-child(3){border-left:none;padding-left:0;}
  .step-item{grid-template-columns:96px minmax(0,1fr);gap:22px;}
  .step-num{font-size:44px;}
  .compare-grid{grid-template-columns:1fr;gap:32px;}
  .highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .highlight-card:nth-child(2){margin-top:0;}
  .highlight-card:nth-child(5){margin-top:0;}
  .highlight-card:nth-child(even){margin-top:22px;}
  .signup-grid{grid-template-columns:1fr;gap:36px;}
  .form-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-row .btn-accent{grid-column:1 / -1;width:100%;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section,.signup-section{padding:56px 0;}
  .page-hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:26px;}
  .signup-copy h2{font-size:26px;}
  .step-item{grid-template-columns:1fr;gap:12px;padding:28px 0;}
  .step-num{font-size:38px;}
  .faq-a{padding-left:0;}
  .form-row{grid-template-columns:1fr;}
  .return-inner{padding:26px 22px;}
}
@media (max-width:575px){
  .hero-actions .btn-main,.hero-actions .btn-ghost-light{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats li{border-left:none !important;padding-left:0 !important;}
  .highlight-grid{grid-template-columns:1fr;}
  .highlight-card:nth-child(even){margin-top:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .highlight-card:hover{transform:none;}
  .step-item:hover{transform:none;}
}