/* roulang page: index */
:root{
  --brand:#1D63D2;
  --brand-deep:#1750AE;
  --brand-soft:#EAF1FE;
  --accent:#F2A33C;
  --accent-deep:#DE8F26;
  --success:#12A594;
  --warn:#E0A33C;
  --danger:#D64545;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --line:#E5EAF2;
  --text:#1F2733;
  --muted:#5C6B80;
  --placeholder:#9AA6B8;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(23,55,110,.06), 0 8px 24px -16px rgba(23,55,110,.28);
  --shadow-2:0 4px 8px rgba(23,55,110,.08), 0 16px 40px -20px rgba(23,55,110,.35);
}
*{box-sizing:border-box;}
.site-body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;}
.site-body a{color:inherit;text-decoration:none;}
.site-body ul,.site-body ol{list-style:none;margin:0;padding:0;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;line-height:1.3;font-weight:700;}
.site-body p{margin:0;}
.site-body button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
.site-body input{font:inherit;}
.site-body.no-scroll{overflow:hidden;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:767px){.container{padding:0 20px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(23,55,110,.04);transition:box-shadow .25s ease-out;}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(23,55,110,.4);}
.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:34px;height:34px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand);flex-shrink:0;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{position:relative;padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--muted);transition:color .2s ease-out,background .2s ease-out;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;height:40px;width:226px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,99,210,.15);}
.search-box input{border:0;outline:0;width:100%;font-size:14px;color:var(--text);background:transparent;}
.search-box input::placeholder{color:var(--placeholder);}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text);transition:border-color .2s,background .2s;}
.menu-btn:hover{border-color:rgba(29,99,210,.4);background:#F7FAFF;}
@media (max-width:1023px){
  .main-nav,.search-box{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{height:60px;}
}
@media (max-width:479px){.brand-text{font-size:15px;}}
.drawer-mask{position:fixed;inset:0;background:rgba(31,39,51,.45);opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:100;transform:translateX(102%);transition:transform .28s ease-out;padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:48px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer .search-box{width:100%;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:500;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;white-space:nowrap;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);}
.btn-primary:active{transform:none;}
.btn-accent{background:var(--accent);color:#3A2600;}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px);}
.btn-accent:active{transform:none;}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(29,99,210,.5);background:#F7FAFF;transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.link-more{color:var(--brand);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out;}
.link-more:hover{gap:10px;}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 84px;background:var(--bg);overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 16% 10%,rgba(29,99,210,.07),transparent 70%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:500;margin-bottom:20px;}
.hero h1{font-size:40px;font-weight:700;letter-spacing:-.2px;}
.hero-sub{margin-top:18px;font-size:18px;color:var(--muted);max-width:620px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);}
.hero-tags li svg{color:var(--success);}
.hero-visual{position:relative;border-radius:20px;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-2);}
.float-card{position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:12px;}
.float-card strong{font-size:24px;color:var(--brand);font-weight:700;line-height:1;}
.float-card span{font-size:13px;color:var(--muted);}
@media (min-width:1024px){
  .hero{padding:88px 0 96px;}
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
}
@media (max-width:1023px){
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16px;}
}
@media (max-width:767px){
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-visual img{aspect-ratio:16/10;}
  .float-card{display:none;}
  .hero-actions .btn{flex:1 1 auto;}
}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;}
@media (max-width:1023px){.section{padding:72px 0;}}
@media (max-width:767px){.section{padding:56px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:28px;}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);}
@media (max-width:767px){.section-head h2{font-size:24px;}}

/* ---------- trust strip ---------- */
.trust-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:32px 0;}
.trust-item{display:flex;gap:12px;align-items:flex-start;}
.trust-item .num{font-size:24px;font-weight:700;color:var(--brand);line-height:1.2;}
.trust-item .txt{font-size:14px;color:var(--muted);}
@media (min-width:1024px){.trust-grid{grid-template-columns:repeat(4,1fr);gap:32px;}}

/* ---------- compare table ---------- */
.compare-wrap{display:none;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-1);}
@media (min-width:768px){.compare-wrap{display:block;}}
table.compare{width:100%;border-collapse:collapse;font-size:15px;}
.compare th,.compare td{padding:16px 20px;text-align:center;border-bottom:1px solid var(--line);}
.compare tbody tr:last-child td{border-bottom:0;}
.compare thead th{background:var(--brand-soft);font-weight:600;font-size:15px;color:var(--text);}
.compare th:first-child,.compare td:first-child{text-align:left;font-weight:600;width:26%;}
.compare tbody tr:hover td{background:#F8FAFD;}
.compare .col-rec{background:var(--brand-soft);}
.compare thead th.col-rec{position:relative;box-shadow:inset 0 2px 0 var(--brand);}
.compare tbody tr:hover td.col-rec{background:#E3EDFD;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.6;}
.badge-rec{background:var(--accent);color:#3A2600;}
.badge-soft{background:var(--brand-soft);color:var(--brand);}
.check{color:var(--success);font-weight:700;}
.cross{color:var(--placeholder);font-weight:700;}
.plan-cards{display:grid;gap:16px;}
@media (min-width:768px){.plan-cards{display:none;}}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.plan-card.is-rec{border-color:rgba(29,99,210,.5);box-shadow:0 0 0 1px rgba(29,99,210,.2),var(--shadow-2);}
.plan-card h3{font-size:18px;display:flex;align-items:center;gap:8px;}
.plan-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.plan-row:last-child{border-bottom:0;}
.plan-row span:first-child{color:var(--muted);flex-shrink:0;}
.plan-row span:last-child{color:var(--text);font-weight:500;text-align:right;}
.plan-card .btn{width:100%;margin-top:16px;}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.step-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.step-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.step-no{width:38px;height:38px;border-radius:999px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:600;margin-bottom:16px;}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--muted);}

/* ---------- level cards ---------- */
.level-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.level-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.level-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.level-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.level-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.level-card.is-current{border-color:var(--brand);}
.level-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.level-no{width:34px;height:34px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:15px;}
.level-card h3{font-size:18px;margin-bottom:14px;}
.level-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--muted);padding:5px 0;}
.level-list li svg{flex-shrink:0;margin-top:6px;color:var(--success);}
.level-bar{height:6px;border-radius:999px;background:#EDF1F7;overflow:hidden;margin-top:20px;}
.level-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#4F8BE8);}
@media (min-width:1024px){
  .level-grid > .level-card:nth-child(2){margin-top:24px;}
  .level-grid > .level-card:nth-child(3){margin-top:48px;}
  .level-grid > .level-card:nth-child(4){margin-top:72px;}
}

/* ---------- preview ---------- */
.preview-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.preview-grid{grid-template-columns:7fr 5fr;align-items:start;}}
.big-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;display:block;}
.big-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.big-cover{position:relative;overflow:hidden;}
.big-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.big-card:hover .big-cover img{transform:scale(1.03);}
.big-body{padding:24px 26px 26px;}
.big-body h3{font-size:20px;margin:12px 0 10px;}
.big-body p{font-size:15px;color:var(--muted);}
.meta-line{margin-top:14px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.preview-side{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.preview-side{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.preview-side{grid-template-columns:repeat(2,1fr);}}
.mini-card{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.mini-thumb{position:relative;flex:0 0 40%;width:40%;aspect-ratio:4/3;border-radius:12px;overflow:hidden;}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body{flex:1 1 auto;min-width:0;}
.mini-body h3{font-size:15px;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body .tip{font-size:13px;color:var(--muted);}
.locked .mini-thumb::after,.locked .big-cover::after{content:"";position:absolute;inset:0;background:rgba(31,39,51,.35);}
.lock-badge{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;z-index:2;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;height:100%;}
.news-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.news-cover{position:relative;overflow:hidden;background:#EDF1F7;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .badge{position:absolute;top:12px;left:12px;background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(23,55,110,.12);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-title{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;font-size:14px;color:var(--muted);}
.empty-state{border:1px dashed #CFD8E6;border-radius:var(--radius-card);background:#fff;padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;}
.empty-state svg{color:var(--placeholder);}
.empty-state p{font-size:15px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.faq-layout{grid-template-columns:4fr 8fr;gap:48px;}}
.faq-left h2{font-size:28px;}
.faq-left p{margin-top:12px;font-size:15px;color:var(--muted);}
.faq-left .btn{margin-top:22px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 24px;box-shadow:var(--shadow-1);transition:border-color .2s ease-out;}
.faq-item.is-open{border-color:rgba(29,99,210,.35);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 0;text-align:left;font-size:16px;font-weight:500;color:var(--text);position:relative;transition:color .2s ease-out;}
.faq-q::before{content:"";position:absolute;left:-24px;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--brand);opacity:0;transition:opacity .2s ease-out;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{flex-shrink:0;width:22px;height:22px;display:grid;place-items:center;color:var(--brand);transition:transform .24s ease-out;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-soft);border-radius:20px;padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
@media (max-width:767px){
  .cta-band{padding:28px 24px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:96px;}
@media (max-width:767px){.site-footer{padding-top:56px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);max-width:280px;}
.footer-icons{margin-top:18px;display:flex;gap:10px;}
.footer-icons span{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:border-color .2s,color .2s;}
.footer-icons span:hover{border-color:rgba(29,99,210,.4);color:var(--brand);}
.footer-col h3{font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--brand);}
.footer-legal{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);}
.footer-legal .legal-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-legal a{color:var(--muted);}
.footer-legal a:hover{color:var(--brand);}

/* roulang page: category1 */
:root{
  --brand:#1D63D2;
  --brand-deep:#1750AE;
  --brand-soft:#EAF1FE;
  --accent:#F2A33C;
  --accent-deep:#DE8E24;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --line:#E5EAF2;
  --text:#1F2733;
  --muted:#5C6B80;
  --placeholder:#9AA6B8;
  --ok:#12A594;
  --shadow-sm:0 1px 2px rgba(23,55,110,.06), 0 8px 24px -16px rgba(23,55,110,.28);
  --shadow-lg:0 4px 8px rgba(23,55,110,.08), 0 16px 40px -20px rgba(23,55,110,.35);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(23,55,110,.02);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px -14px rgba(23,55,110,.45)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);border:1px solid #D6E4FB;flex:none;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:#F2F6FD}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--placeholder);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,99,210,.15)}
.search-box svg{flex:none;color:var(--muted)}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);font-family:inherit;
}
.search-box input::placeholder{color:var(--placeholder)}
.menu-btn{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;transition:background-color .2s,border-color .2s;
}
.menu-btn:hover{border-color:rgba(29,99,210,.35);color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(29,99,210,.9)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-accent{background:var(--accent);color:#40270A;box-shadow:0 10px 22px -14px rgba(242,163,60,.95)}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(29,99,210,.35);background:#F5F9FF;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;pointer-events:none}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(31,39,51,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:98;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:99;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:20px 20px 28px;box-shadow:-16px 0 40px -24px rgba(23,55,110,.5);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(29,99,210,.35)}
.drawer-search{width:100%;margin-bottom:16px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-link{
  height:48px;display:flex;align-items:center;font-size:15px;font-weight:500;color:var(--muted);
  border-bottom:1px solid var(--line);transition:color .2s,background-color .2s;
}
.drawer-link:hover{color:var(--brand);background:#F7FAFF}
.drawer-link.active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- page hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#EFF5FF 0%,var(--brand-soft) 100%);
  border-bottom:1px solid #DDE8FA;
}
.page-hero-inner{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:240px;padding-top:32px;padding-bottom:32px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--text)}
.page-hero h1{font-size:32px;line-height:1.35;letter-spacing:.2px;margin-bottom:14px}
.hero-sub{font-size:16px;color:var(--muted);margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.page-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.7);
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-white{background:#fff}
.section-head{margin-bottom:28px;max-width:760px}
.section-head h2{font-size:28px;margin-bottom:10px}
.section-sub{color:var(--muted);font-size:15px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:500;letter-spacing:.3px;margin-bottom:14px;
}

/* ---------- steps ---------- */
.steps-track{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding-top:8px}
.step{position:relative;text-align:center;padding:0 6px}
.step-dot{
  width:48px;height:48px;border-radius:50%;margin:0 auto 14px;
  background:var(--brand);color:#fff;font-size:18px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 24px -14px rgba(29,99,210,.95);
}
.step.is-done .step-dot{background:var(--ok);box-shadow:0 12px 24px -14px rgba(18,165,148,.9)}
.step:not(:last-child)::after{
  content:"";position:absolute;top:24px;left:calc(50% + 34px);right:calc(-50% + 34px);height:2px;
  background:linear-gradient(90deg,var(--brand),#C9DCFA);
}
.step-label{font-size:15px;font-weight:500;color:var(--text)}
.step-hint{font-size:13px;color:var(--muted);margin-top:2px}
.steps-note{
  margin-top:32px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.steps-note div{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;font-size:14px;color:var(--muted);
}
.steps-note strong{display:block;color:var(--text);font-size:15px;font-weight:600;margin-bottom:4px}

/* ---------- split rows ---------- */
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:88px}
.split-row:last-child{margin-bottom:0}
.split-row.reverse .split-media{order:2}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.split-copy h2{font-size:26px;margin-bottom:16px}
.split-copy p{color:var(--muted);font-size:15.5px;margin-bottom:14px;max-width:640px}
.point-list{margin-top:18px;border-top:1px dashed var(--line);padding-top:18px}
.point-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--text)}
.point-list li:last-child{margin-bottom:0}
.point-list li::before{
  content:"";position:absolute;left:3px;top:8px;width:6px;height:11px;
  border-right:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(45deg);
}

/* ---------- problem cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.info-card:hover{border-color:rgba(29,99,210,.35);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.info-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.info-card h3{font-size:17px;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:28px;margin-bottom:12px}
.faq-aside p{color:var(--muted);font-size:15px;margin-bottom:22px;max-width:340px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color .24s ease;
}
.faq-item:hover{border-color:rgba(29,99,210,.28);box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:rgba(29,99,210,.35)}
.faq-item[open]::before{background:var(--brand)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:500;color:var(--text);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-icon{flex:none;width:18px;height:18px;position:relative;transition:transform .24s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;color:var(--muted);font-size:15px;line-height:1.8;max-width:700px}
.faq-item[open] .faq-answer{animation:faqIn .24s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- cta band ---------- */
.cta-band-wrap{padding:0 0 96px}
.cta-band{
  background:var(--brand-soft);border:1px solid #D6E4FB;border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px;flex:none}
.cta-link{font-size:14px;color:var(--brand);border-bottom:1px solid rgba(29,99,210,.35);padding-bottom:2px}
.cta-link:hover{border-bottom-color:var(--brand)}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 0}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--muted);max-width:280px;margin-bottom:18px}
.footer-icons{display:flex;gap:10px}
.footer-icons span{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:var(--muted);
  display:flex;align-items:center;justify-content:center;transition:color .2s,border-color .2s;
}
.footer-icons span:hover{color:var(--brand);border-color:rgba(29,99,210,.35)}
.footer-col h3{font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col ul a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:48px;padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);
}
.footer-legal{display:flex;gap:20px;flex-wrap:wrap}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.search-box{display:none}
  .menu-btn{display:flex}
  .section{padding:72px 0}
  .page-hero-inner{grid-template-columns:1fr;gap:28px;min-height:0;padding-top:28px;padding-bottom:32px}
  .page-hero-media img{aspect-ratio:16/10}
  .split-row{grid-template-columns:1fr;gap:28px;margin-bottom:64px}
  .split-row.reverse .split-media{order:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .steps-note{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band-wrap{padding-bottom:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .brand-text{font-size:15px}
  .section{padding:56px 0}
  .page-hero h1{font-size:26px}
  .section-head h2,.faq-aside h2{font-size:24px}
  .split-copy h2{font-size:22px}
  .steps-track{grid-template-columns:1fr;gap:0;padding-top:0}
  .step{display:flex;align-items:flex-start;gap:16px;text-align:left;padding:0 0 26px}
  .step-dot{margin:0;width:40px;height:40px;font-size:16px;flex:none}
  .step:not(:last-child)::after{
    top:46px;bottom:6px;left:19px;right:auto;width:2px;height:auto;
    background:linear-gradient(180deg,#C9DCFA,#EAF1FE);
  }
  .step-text{padding-top:6px}
  .grid-4{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:stretch;padding:24px;gap:20px}
  .cta-actions{align-items:stretch}
  .cta-actions .btn{width:100%}
  .site-footer{margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .article-none{display:none}
}

/* roulang page: article */
:root{
  --brand:#1D63D2;
  --brand-deep:#1750AE;
  --brand-soft:#EAF1FE;
  --accent:#F2A33C;
  --accent-deep:#DE8F24;
  --ok:#12A594;
  --warn:#E0A33C;
  --danger:#D64545;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --line:#E5EAF2;
  --text:#1F2733;
  --muted:#5C6B80;
  --placeholder:#9AA6B8;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(23,55,110,.06), 0 8px 24px -16px rgba(23,55,110,.28);
  --shadow-2:0 4px 8px rgba(23,55,110,.08), 0 16px 40px -20px rgba(23,55,110,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(23,55,110,.06);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 22px -14px rgba(23,55,110,.42);}
.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:36px;height:36px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .18s ease-out,background-color .18s ease-out;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-19px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;width:236px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--placeholder);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box input{width:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--placeholder);}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,99,210,.15);}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 18px -12px rgba(23,80,174,.9);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-accent{background:var(--accent);color:#241703;font-weight:600;}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px);}
.btn-accent:active{transform:none;}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;pointer-events:none;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(31,39,51,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;z-index:55;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;
  background:#fff;z-index:60;padding:22px 20px;
  transform:translateX(102%);transition:transform .28s ease-out;
  box-shadow:-12px 0 32px rgba(23,55,110,.18);
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;font-size:15px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.active{color:var(--brand);}
.drawer .search-box{width:100%;height:44px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:20px 0 4px;font-size:14px;color:var(--muted);
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C4CEDD;}
.crumb-current{color:var(--muted);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article layout ---------- */
.article-wrap{
  display:grid;gap:32px;
  padding:20px 0 56px;
}
@media (min-width:1024px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:24px 0 72px;}
}
.content-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px;
}
@media (min-width:768px){
  .content-card{padding:40px 44px 44px;}
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.3px;
}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.badge-accent{background:#FDF1DE;color:#96610D;}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px;}
.article-title{
  font-size:28px;line-height:1.35;font-weight:700;letter-spacing:.2px;
  margin:14px 0 16px;
}
@media (min-width:768px){
  .article-title{font-size:38px;line-height:1.3;}
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:10px;}
.meta-row span:not(:last-child)::after{
  content:"";width:4px;height:4px;border-radius:50%;background:#C4CEDD;
}

/* ---------- Prose ---------- */
.prose{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 1em;}
.prose h2{
  position:relative;
  font-size:23px;line-height:1.35;font-weight:600;
  margin:40px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;
  border-radius:2px;background:var(--brand);
}
.prose h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px;}
.prose h4{font-size:16px;font-weight:600;margin:20px 0 10px;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:4px;}
.prose ul li,.prose ol li{position:relative;padding-left:20px;margin:0 0 8px;line-height:1.9;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.75;
}
.prose ol{counter-reset:item;}
.prose ol li{counter-increment:item;padding-left:26px;}
.prose ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.35em;
  width:18px;height:18px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;line-height:18px;text-align:center;font-weight:600;
}
.prose blockquote{
  margin:24px 0;padding:20px 22px;
  background:var(--brand-soft);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:#2C3A4E;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{
  width:100%;border-radius:var(--radius-img);
  margin:26px auto;object-fit:cover;
  box-shadow:var(--shadow-1);
}
.prose figure{margin:26px 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose table{
  display:block;width:100%;overflow-x:auto;
  border:1px solid var(--line);border-radius:12px;
  border-collapse:collapse;margin:24px 0;
}
.prose th,.prose td{
  padding:12px 16px;text-align:left;font-size:15px;line-height:1.7;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.prose th{background:#F7FAFF;font-weight:600;color:#2C3A4E;}
.prose tr:last-child td{border-bottom:0;}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:#F2F4F8;color:#2C3A4E;
  padding:2px 6px;border-radius:6px;
}
.prose pre{
  background:#F2F4F8;border-radius:12px;padding:16px 18px;
  overflow-x:auto;margin:22px 0;font-size:14px;line-height:1.75;
}
.prose pre code{background:transparent;padding:0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.prose a{color:var(--brand);border-bottom:1px solid rgba(29,99,210,.35);}
.prose a:hover{border-bottom-color:var(--brand);}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed #CDD8E8;border-radius:14px;
  background:#FBFCFE;padding:44px 24px;text-align:center;
}
.empty-state svg{color:var(--placeholder);margin:0 auto 14px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ---------- Tags ---------- */
.tag-section{
  max-width:760px;
  border-top:1px solid var(--line);
  margin-top:36px;padding-top:22px;
}
.tag-section h2{font-size:14px;font-weight:600;color:var(--muted);margin-bottom:12px;letter-spacing:.5px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:#F5F7FA;border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:all .2s ease-out;
}
.tag:hover{background:var(--brand-soft);border-color:rgba(29,99,210,.3);color:var(--brand);}

/* ---------- Prev / Next ---------- */
.prevnext{display:grid;gap:16px;margin-top:32px;}
@media (min-width:768px){
  .prevnext{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.pn-card{
  display:block;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.pn-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.pn-label{
  display:inline-block;font-size:12px;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:2px 10px;margin-bottom:10px;
}
.pn-title{
  display:block;font-size:15px;font-weight:600;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.pn-card:hover .pn-title{color:var(--brand);}

/* ---------- Sidebar ---------- */
.article-side{display:grid;gap:20px;align-content:start;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text);}
.side-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--muted);
  line-height:1.75;margin-bottom:10px;
}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.7;
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--muted);padding:9px 0;
  border-bottom:1px solid var(--line);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);}
.side-cta{background:var(--brand-soft);border-color:rgba(29,99,210,.18);}
.side-cta p{font-size:14px;color:#3A4A61;margin-bottom:14px;}
@media (max-width:1023px){
  .article-side{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
}

/* ---------- Section base ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:24px;font-weight:600;line-height:1.35;}
@media (min-width:768px){.section-head h2{font-size:28px;}}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;}
.link-more{font-size:14px;color:var(--brand);font-weight:500;white-space:nowrap;}
.link-more:hover{text-decoration:underline;}

/* ---------- Cards ---------- */
.card-grid{display:grid;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:600;line-height:1.5;}
.card:hover .card-title{color:var(--brand);}
.card-desc{font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-soft);
  border:1px solid rgba(29,99,210,.16);
  border-radius:20px;
  padding:32px 24px;
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px;}
}
.cta-band h2{font-size:22px;font-weight:600;line-height:1.4;}
@media (min-width:768px){.cta-band h2{font-size:26px;}}
.cta-band p{font-size:15px;color:#3A4A61;margin-top:8px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767px){.cta-actions{flex-direction:column;}.cta-actions .btn{width:100%;}}

/* ---------- Footer ---------- */
.site-footer{
  background:#fff;border-top:1px solid var(--line);
  padding-top:64px;margin-top:24px;
}
.footer-grid{
  display:grid;gap:36px;
  padding-bottom:44px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:280px;line-height:1.8;}
.footer-icons{display:flex;gap:10px;margin-top:18px;}
.footer-icons span{
  width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line);background:#F8FAFD;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .18s ease-out;}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--muted);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a:hover{color:var(--brand);}

@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-btn{display:flex;}
  .nav-link.active::after{display:none;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;max-width:170px;overflow:hidden;text-overflow:ellipsis;}
  .header-inner{height:60px;gap:10px;}
  .meta-row{font-size:13px;}
}

/* roulang page: category2 */
:root{
  --brand:#1D63D2;
  --brand-deep:#1750AE;
  --brand-soft:#EAF1FE;
  --brand-soft-deep:#DCE8FC;
  --accent:#F2A33C;
  --bg:#F5F7FA;
  --line:#E5EAF2;
  --text:#1F2733;
  --muted:#5C6B80;
  --placeholder:#9AA6B8;
  --success:#12A594;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(23,55,110,.06),0 8px 24px -16px rgba(23,55,110,.28);
  --shadow-2:0 4px 8px rgba(23,55,110,.08),0 16px 40px -20px rgba(23,55,110,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 20px -14px rgba(23,55,110,.45)}
.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:34px;height:34px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center;flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;font-size:15px;
  font-weight:500;color:var(--muted);transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:232px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--placeholder);
  transition:border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,99,210,.15);color:var(--brand)}
.search-box input{border:0;outline:0;width:100%;background:transparent;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:var(--placeholder)}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  place-items:center;color:var(--text);background:#fff;transition:border-color .2s ease,color .2s ease;
}
.menu-btn:hover{border-color:rgba(29,99,210,.45);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(29,99,210,.85)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(29,99,210,.9)}
.btn-primary:active{transform:none}
.btn-accent{background:var(--accent);color:#4A2F05;box-shadow:0 8px 20px -12px rgba(242,163,60,.9)}
.btn-accent:hover{background:#E2911F;transform:translateY(-1px)}
.btn-accent:active{transform:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(29,99,210,.45);background:var(--brand-soft)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,.menu-btn:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ============ 抽屉菜单 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(31,39,51,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;background:#fff;
  z-index:90;padding:24px 20px 32px;overflow-y:auto;transform:translateX(100%);
  transition:transform .28s ease;box-shadow:-16px 0 40px -24px rgba(23,55,110,.55);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-size:15px;font-weight:600}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted)}
.drawer-close:hover{color:var(--brand);border-color:rgba(29,99,210,.4)}
.drawer-nav a{
  display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text);transition:color .2s ease;
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-search{margin:20px 0 16px}

/* ============ 首屏标题区 ============ */
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:40px 0 48px}
@media (min-width:768px){.page-hero{padding:56px 0 56px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CDDC}
.hero-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.02em;max-width:820px}
@media (min-width:768px){.hero-title{font-size:40px}}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:720px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.pill-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:500;
  border:1px solid rgba(29,99,210,.12);
}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section--white{background:#fff}
.section-head{margin-bottom:28px;max-width:760px}
.section-title{font-size:24px;font-weight:700;letter-spacing:-.01em}
@media (min-width:768px){.section-title{font-size:28px}}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted)}

/* ============ 权益矩阵 ============ */
.matrix-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-1);
}
table.matrix{width:100%;border-collapse:collapse;font-size:15px}
table.matrix th,table.matrix td{
  padding:18px 16px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle;
}
table.matrix tbody tr:last-child th,table.matrix tbody tr:last-child td{border-bottom:0}
table.matrix thead th{
  background:var(--brand-soft);color:var(--brand-deep);font-weight:600;font-size:15px;
}
table.matrix thead th.th-label{text-align:left;width:24%}
table.matrix tbody th{
  text-align:left;font-weight:600;color:var(--text);background:#fff;font-size:15px;
}
.matrix tbody tr{transition:background .2s ease}
.matrix tbody tr:hover td,.matrix tbody tr:hover th{background:#F8FAFD}
.cell-rec{background:#F7FAFF}
.matrix tbody tr:hover .cell-rec{background:#EFF5FF}
thead th.col-rec{background:var(--brand-soft-deep);position:relative}
thead th.col-rec::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--brand);
}
.rec-badge{
  position:absolute;top:0;right:0;background:var(--accent);color:#4A2F05;
  font-size:11px;font-weight:600;line-height:1;padding:5px 8px;border-radius:0 0 0 10px;
}
.val-tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);font-size:13px;
}
.val-tag--strong{background:var(--brand-soft);border-color:rgba(29,99,210,.16);color:var(--brand-deep)}
.icon-yes{color:var(--success);display:inline-flex}
.icon-no{color:var(--placeholder);display:inline-flex}

.matrix-cards{display:none}
@media (max-width:767px){
  .matrix-wrap{display:none}
  .matrix-cards{display:grid;gap:16px}
}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.m-card.rec{border-color:rgba(29,99,210,.45);background:linear-gradient(180deg,#F4F8FF,#FFFFFF);order:-1}
.m-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.m-card-head h3{font-size:17px;font-weight:700}
.m-card-head .rec-badge-inline{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:var(--accent);color:#4A2F05;font-size:12px;font-weight:600;
}
.m-list li{
  display:flex;justify-content:space-between;gap:14px;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:14px;
}
.m-list li:last-child{border-bottom:0;padding-bottom:0}
.m-list .k{color:var(--muted);flex-shrink:0}
.m-list .v{color:var(--text);font-weight:500;text-align:right}

/* ============ 等级徽章墙 ============ */
.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
@media (max-width:1023px){.badge-grid{grid-template-columns:1fr;gap:18px}}
.badge-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.badge-card:nth-child(2){margin-top:24px}
.badge-card:nth-child(3){margin-top:48px}
@media (max-width:1023px){
  .badge-card:nth-child(1),.badge-card:nth-child(2),.badge-card:nth-child(3){margin-top:0}
}
.badge-card:hover{transform:translateY(-2px);border-color:rgba(29,99,210,.35);box-shadow:var(--shadow-2)}
.badge-card.featured{border-color:var(--brand)}
.badge-card.featured::before{
  content:"优先推荐";position:absolute;top:-1px;left:-1px;background:var(--brand);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:16px 0 12px 0;
}
.rank-badge{
  width:72px;height:72px;border-radius:50%;display:grid;place-items:center;
  border:2px dashed rgba(29,99,210,.45);color:var(--brand);background:var(--brand-soft);
}
.badge-card h3{margin-top:18px;font-size:20px;font-weight:700}
.badge-card .rank-note{margin-top:8px;font-size:14px;color:var(--muted)}
.tag-list{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.tag--brand{background:var(--brand-soft);border-color:rgba(29,99,210,.16);color:var(--brand-deep)}
.progress{height:6px;border-radius:999px;background:var(--bg);overflow:hidden;margin-top:22px}
.progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#4C8AE8)}
.progress span{display:block;margin-top:8px;font-size:13px;color:var(--placeholder)}

/* ============ 并排说明条 ============ */
.note-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:767px){.note-row{grid-template-columns:1fr}}
.note{
  display:flex;gap:16px;padding:24px;border-radius:var(--radius-card);
  background:var(--brand-soft);border:1px solid rgba(29,99,210,.14);
}
.note-icon{
  width:44px;height:44px;border-radius:12px;background:#fff;color:var(--brand);
  display:grid;place-items:center;flex-shrink:0;box-shadow:var(--shadow-1);
}
.note h3{font-size:17px;font-weight:700}
.note p{margin-top:8px;font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
@media (max-width:1023px){.faq-layout{grid-template-columns:1fr;gap:28px}}
.faq-side p{margin-top:14px;font-size:15px;color:var(--muted)}
.faq-side .btn{margin-top:22px}
.faq-side figure{margin:28px 0 0;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.faq-side img{width:100%;aspect-ratio:4/3;object-fit:cover}
.faq-side figcaption{padding:12px 16px;font-size:13px;color:var(--placeholder);background:#fff}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:500;cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{flex-shrink:0;color:var(--brand);transition:transform .24s ease}
.faq-item[open]{border-color:rgba(29,99,210,.35);border-left:3px solid var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{
  padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8;
  animation:fadeIn .24s ease-out;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ============ 开通 CTA ============ */
.cta-band{
  background:var(--brand-soft);border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(29,99,210,.14);
}
@media (max-width:767px){
  .cta-band{flex-direction:column;align-items:stretch;padding:24px;gap:22px}
}
.cta-band h2{font-size:24px;font-weight:700}
@media (min-width:768px){.cta-band h2{font-size:28px}}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.text-link{font-size:15px;color:var(--brand);font-weight:500;border-bottom:1px solid rgba(29,99,210,.35);padding-bottom:2px}
.text-link:hover{color:var(--brand-deep);border-color:var(--brand-deep)}
@media (max-width:767px){.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:56px;padding-top:56px}
@media (min-width:768px){.site-footer{margin-top:96px;padding-top:72px}}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .brand-text{font-size:16px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--muted);max-width:300px}
.footer-icons{display:flex;gap:10px;margin-top:18px}
.footer-icons span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--bg);color:var(--brand);border:1px solid var(--line);
}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;
  gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.footer-legal{display:flex;gap:18px}
.footer-legal a{color:var(--muted);transition:color .2s ease}
.footer-legal a:hover{color:var(--brand)}

/* ============ 响应式导航 ============ */
@media (max-width:1023px){
  .main-nav{display:none}
  .search-box{display:none}
  .menu-btn{display:grid}
  .header-inner{height:60px;gap:12px}
}
@media (max-width:767px){
  .header-actions .btn{display:none}
  .brand-text{font-size:15px}
}