/* roulang page: index */
:root{
  --brand:#1F6FEB;
  --brand-deep:#1552B8;
  --brand-tint:#E9F1FE;
  --teal:#0EA5A5;
  --amber:#F59E0B;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --line:#E3EBF5;
  --ink:#16243A;
  --ink-2:#44576F;
  --ink-3:#7A8CA3;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(22,36,58,.04),0 10px 26px rgba(22,36,58,.06);
  --sh-hover:0 4px 10px rgba(22,36,58,.06),0 18px 40px rgba(22,36,58,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:26px;letter-spacing:-.01em;}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:999px;background:var(--brand);}
@media (min-width:1024px){.section-title{font-size:32px;}}
.section-sub{font-size:14px;color:var(--ink-3);margin-top:8px;padding-left:16px;}
.text-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:500;}
.text-cta .arrow{transition:transform .2s ease-out;display:inline-block;}
.text-cta:hover{color:var(--brand-deep);}
.text-cta:hover .arrow{transform:translateX(2px);}
.text-cta:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:3px;border-radius:6px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:2px;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:2px;}
.btn-sm{height:34px;padding:0 14px;font-size:13px;border-radius:8px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1;}
.badge-brand{background:var(--brand-tint);color:var(--brand);}
.badge-teal{background:var(--teal);color:#fff;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}

/* ---------- header ---------- */
.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 18px rgba(22,36,58,.06);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:60px;}
@media (min-width:768px){.nav-wrap{height:68px;}}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;letter-spacing:.5px;}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);}
.nav-links{display:none;}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:26px;}}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;transition:color .16s ease;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;border-radius:999px;background:transparent;transition:background .18s ease;}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{background:var(--brand);}
.nav-link:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:4px;border-radius:6px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{display:none;}
@media (min-width:1024px){.nav-cta{display:inline-flex;}}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0 8px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:border-color .2s ease;}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink);}
.burger:hover{border-color:var(--brand);}
.burger:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:2px;}
@media (min-width:1024px){.burger{display:none;}}
.drawer{position:fixed;inset:0;z-index:80;background:#fff;transform:translateX(100%);transition:transform .26s ease-out;display:flex;flex-direction:column;padding:0 20px 24px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:18px;color:var(--ink);cursor:pointer;line-height:1;}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-nav{margin-top:8px;}
.drawer-nav a{display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;color:var(--ink);}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.active{color:var(--brand);}
.drawer-cta{margin-top:20px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:40px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.hero::after{content:"";position:absolute;top:34px;right:-70px;width:230px;height:230px;border-radius:34px;background:rgba(31,111,224,.12);pointer-events:none;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:center;}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:var(--brand-tint);color:var(--brand);font-size:12px;font-weight:500;}
.hero h1{margin-top:18px;font-size:30px;font-weight:700;line-height:1.18;letter-spacing:-.01em;}
@media (min-width:768px){.hero h1{font-size:38px;}}
@media (min-width:1024px){.hero h1{font-size:46px;}}
.hero-lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:520px;}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{position:relative;}
.hero-card{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.hero-card .hero-badge{position:absolute;left:14px;top:14px;background:var(--brand-tint);color:var(--brand);}
.hero-card .hero-caption{padding:14px 16px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2);}
.hero-stats{margin-top:40px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(2,1fr);}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr);}}
.stat{padding:20px 16px;border-bottom:1px solid var(--line);}
@media (min-width:768px){.stat{border-bottom:none;border-right:1px solid var(--line);}}
@media (min-width:768px){.stat:last-child{border-right:none;}}
.stat-num{font-size:24px;font-weight:700;color:var(--brand);font-family:"Inter",system-ui,sans-serif;}
.stat-label{margin-top:2px;font-size:13px;color:var(--ink-3);}

/* ---------- hot grid ---------- */
.grid-4{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);gap:24px;}}
.g-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.g-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.g-thumb{position:relative;overflow:hidden;background:var(--brand-tint);}
.g-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out;}
.g-card:hover .g-thumb img{transform:scale(1.03);}
.g-thumb .badge{position:absolute;left:12px;top:12px;}
.g-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.g-title{font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.g-sum{font-size:14px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.g-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.g-rate{font-size:13px;color:var(--ink-3);display:inline-flex;align-items:center;gap:5px;}
.g-rate .star{color:var(--amber);}

/* ---------- reviews ---------- */
.rail-wrap{position:relative;}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:0;width:34px;z-index:2;pointer-events:none;}
.rail-wrap::before{left:-1px;background:linear-gradient(90deg,var(--bg),rgba(246,249,252,0));}
.rail-wrap::after{right:-1px;background:linear-gradient(270deg,var(--bg),rgba(246,249,252,0));}
.rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.review-card{flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:20px;transition:box-shadow .2s ease-out,transform .2s ease-out;}
.review-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 auto;}
.review-name{font-size:15px;font-weight:600;color:var(--ink);}
.review-role{font-size:12px;color:var(--ink-3);}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px;margin-top:12px;}
.review-text{margin-top:10px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- guarantee ---------- */
.guarantee{background:var(--brand-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guarantee-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
@media (min-width:768px){.guarantee-grid{grid-template-columns:repeat(4,1fr);}}
.g-item{display:flex;align-items:center;gap:12px;padding:22px 16px;border-right:1px solid rgba(31,111,224,.16);border-bottom:1px solid rgba(31,111,224,.16);}
@media (min-width:768px){.g-item{border-bottom:none;}}
.g-item:last-child{border-right:none;}
.g-icon{width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid rgba(31,111,224,.22);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;}
.g-text{font-size:14px;font-weight:500;color:var(--ink);line-height:1.4;}

/* ---------- cta ---------- */
.cta-card{border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(120deg,rgba(31,111,224,.08) 0%,rgba(31,111,224,.02) 46%,rgba(14,165,165,.06) 100%),#fff;box-shadow:var(--sh-card);padding:30px;}
@media (min-width:768px){.cta-card{padding:44px;}}
.cta-card h2{font-size:24px;}
@media (min-width:1024px){.cta-card h2{font-size:30px;}}
.cta-card p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px;}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{display:flex;flex-direction:column;gap:10px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;}
.news-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:#D3E1F6;}
.news-card:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:3px;}
.news-title{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--brand);}
.news-sum{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink-3);}
.news-more{color:var(--brand);font-weight:500;}
.empty-state{border:1px dashed #C7D8F0;background:#FBFDFF;border-radius:var(--r-card);padding:44px 24px;text-align:center;}
.empty-icon{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;}
.empty-state p{color:var(--ink-3);font-size:15px;}
.empty-state a{display:inline-block;margin-top:12px;color:var(--brand);font-weight:500;}

/* ---------- advantage ---------- */
.adv-layout{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){.adv-layout{grid-template-columns:7fr 5fr;gap:24px;}}
.adv-main{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);display:flex;flex-direction:column;transition:box-shadow .2s ease-out,transform .2s ease-out;}
.adv-main:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.adv-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.adv-main-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.adv-main-body h3{font-size:20px;}
.adv-side{display:grid;grid-template-columns:1fr;gap:20px;}
.adv-strip{display:flex;gap:16px;padding:20px;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.adv-strip:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.adv-strip img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-img);flex:0 0 auto;}
.adv-strip h3{font-size:17px;}
.adv-strip p{margin-top:6px;font-size:14px;color:var(--ink-2);}
.pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-tint);color:var(--brand);font-size:12px;font-weight:500;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .18s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{flex:0 0 auto;color:var(--ink-3);transition:transform .18s ease,color .18s ease;}
.faq-item[open]{border-left:3px solid var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:-3px;}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- footer ---------- */
.site-footer{background:#132B4D;color:rgba(255,255,255,.72);margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-brand-text{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px;}
.footer-list li + li{margin-top:10px;}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-logo{display:inline-flex;align-items:center;gap:10px;}
.footer-logo .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-logo .logo-text{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}
@media (max-width:767px){
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:none;}
  .adv-strip{flex-direction:column;}
  .adv-strip img{width:100%;height:170px;}
}
@media (max-width:520px){
  .hero h1{font-size:30px;}
  .section-title{font-size:24px;}
  .cta-card{padding:24px 20px;}
  .review-card{flex:0 0 82%;}
}

/* roulang page: article */
:root{
  --brand:#1F6FEB;
  --brand-deep:#1552B8;
  --brand-tint:#E9F1FE;
  --teal:#0EA5A5;
  --amber:#F59E0B;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --line:#E3EBF5;
  --ink:#16243A;
  --ink-2:#44576F;
  --ink-3:#7A8CA3;
  --footer-bg:#132B4D;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(22,36,58,.04), 0 10px 26px rgba(22,36,58,.06);
  --shadow-card-hover:0 4px 10px rgba(22,36,58,.06), 0 18px 40px rgba(22,36,58,.10);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.3;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,36,58,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:60px;}
@media (min-width:768px){.nav-wrap{height:68px;}}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px;}
}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;
  cursor:pointer;padding:0 10px;transition:border-color var(--ease),box-shadow var(--ease);
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease);}
.burger:hover{border-color:var(--brand);}
.burger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);}
@media (min-width:1024px){.burger{display:none;}}
.drawer{
  position:fixed;inset:60px 0 0 0;background:#fff;z-index:55;
  padding:12px 20px 28px;display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity var(--ease),transform var(--ease);
  overflow-y:auto;
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--ink-2);
}
.drawer a:hover,.drawer a.active{color:var(--brand);}
.drawer .drawer-cta{margin-top:20px;}
body.no-scroll{overflow:hidden;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.link-cta .arrow{transition:transform var(--ease);}
.link-cta:hover{color:var(--brand-deep);}
.link-cta:hover .arrow{transform:translateX(2px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1;
}
.badge-brand{background:var(--brand-tint);color:var(--brand);}
.badge-teal{background:var(--teal);color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C4D2E4;font-weight:300;}
.crumb .current{color:var(--ink-3);max-width:52vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media (min-width:768px){.crumb .current{max-width:520px;}}

/* ---------- article ---------- */
.article-shell{padding:26px 0 0;}
.article-head{max-width:860px;}
.article-head h1{
  font-size:30px;font-weight:700;line-height:1.26;letter-spacing:-.01em;color:var(--ink);
}
@media (min-width:768px){.article-head h1{font-size:34px;}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;font-size:14px;color:var(--ink-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4D2E4;}
.article-divider{height:1px;background:var(--line);margin:22px 0 0;}
.article-body{
  max-width:780px;margin:34px auto 0;text-align:left;font-size:16px;line-height:1.9;color:var(--ink-2);
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:20px;font-weight:600;color:var(--ink);
  margin:36px 0 14px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:17px;font-weight:600;color:var(--ink);margin:26px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px;}
.article-body li{position:relative;padding-left:18px;margin:6px 0;}
.article-body li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:li;}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;background:var(--brand-tint);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:20px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(31,111,224,.35);text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-deep);text-decoration-color:var(--brand-deep);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--brand-tint);color:var(--ink);font-weight:600;}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-img);background:#fff;margin:20px 0;}
.article-body code{background:var(--brand-tint);color:var(--brand-deep);border-radius:6px;padding:2px 6px;font-size:14px;}

.empty-state{
  max-width:780px;margin:34px auto 0;padding:44px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .icon{
  width:44px;height:44px;margin:0 auto 14px;border-radius:12px;background:var(--brand-tint);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--ink-3);font-size:14px;margin-bottom:18px;}

.article-foot{max-width:780px;margin:36px auto 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}

/* ---------- related cards ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.section-head h2{position:relative;font-size:26px;padding-left:14px;}
@media (min-width:1024px){.section-head h2{font-size:30px;}}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:4px;background:var(--brand);
}
.section-head p{margin:8px 0 0 14px;font-size:14px;color:var(--ink-3);}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px);border-color:#D7E4F5;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-tint);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;color:var(--ink-3);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink-3);margin-top:auto;padding-top:4px;}
.card:hover h3{color:var(--brand);}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);margin-top:64px;}
.site-footer .container{padding-top:52px;padding-bottom:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:26px;}}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo .logo-text{color:#fff;}
.footer-brand-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-list li{margin-bottom:10px;}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* roulang page: category1 */
:root{
  --brand:#1F6FEB;
  --brand-deep:#1552B8;
  --brand-tint:#E9F1FE;
  --teal:#0EA5A5;
  --amber:#F59E0B;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --line:#E3EBF5;
  --ink:#16243A;
  --ink-2:#44576F;
  --ink-3:#7A8CA3;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(22,36,58,.04),0 10px 26px rgba(22,36,58,.06);
  --shadow-hover:0 4px 10px rgba(22,36,58,.06),0 18px 40px rgba(22,36,58,.10);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:0 2px 14px rgba(22,36,58,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:18px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-family:"Inter",var(--font);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  border-radius:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
  transition:background .18s ease-out;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .18s;}
.burger:hover{background:var(--brand-tint);}
.burger:hover span{background:var(--brand);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .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;box-shadow:0 6px 18px rgba(31,111,224,.22);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,111,224,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,111,224,.2);}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.text-cta{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  transition:color .2s ease-out;
}
.text-cta .arrow{transition:transform .2s ease-out;font-family:"Inter",var(--font);}
.text-cta:hover{color:var(--brand-deep);}
.text-cta:hover .arrow{transform:translateX(2px);}
.text-cta:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);border-radius:6px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1.6;
}
.badge-brand{background:var(--brand-tint);color:var(--brand);}
.badge-teal{background:var(--teal);color:#fff;}
.badge-line{background:var(--surface);color:var(--ink-2);border:1px solid var(--line);}

/* ---------- hero (small) ---------- */
.hero-sm{
  position:relative;overflow:hidden;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:56px 0 60px;
}
.hero-sm::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:36px;
  background:rgba(31,111,224,.12);
  pointer-events:none;
}
.hero-sm-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{transition:color .16s ease-out;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{font-weight:300;color:var(--line);}
.breadcrumb .current{color:var(--ink-3);}
.hero-sm h1{
  font-size:32px;line-height:1.26;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  margin-bottom:14px;
}
.hero-sm p{font-size:16px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-sm-media{position:relative;}
.hero-sm-media .frame{
  border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:var(--brand-tint);
  box-shadow:var(--shadow-card);
}
.hero-sm-media img{width:100%;height:100%;object-fit:cover;}
.hero-sm-badge{position:absolute;left:14px;bottom:14px;box-shadow:0 6px 16px rgba(22,36,58,.12);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:38px;}
.section-head h2{
  position:relative;
  font-size:26px;line-height:1.3;font-weight:600;color:var(--ink);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--brand);
}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-3);max-width:720px;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* ---------- split (image / text alternating) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split + .split{margin-top:72px;}
.split.reverse .split-media{order:2;}
.media-frame{
  border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;
  background:var(--brand-tint);box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.split-body h2{
  font-size:24px;line-height:1.35;font-weight:600;color:var(--ink);margin-bottom:14px;
}
.split-body > p{margin-bottom:18px;}
.point-list{margin:0 0 22px;display:grid;gap:12px;}
.point-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.point-list li strong{color:var(--ink);font-weight:600;}

/* ---------- dashboard: 1 big card + 2 long cards ---------- */
.mix-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;align-items:stretch;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D6E3F5;}
.big-card{overflow:hidden;display:flex;flex-direction:column;}
.big-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-tint);}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.big-card:hover .thumb img{transform:scale(1.03);}
.big-card .body{padding:24px 24px 26px;}
.big-card h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4;margin-bottom:10px;}
.big-card p{font-size:15px;color:var(--ink-2);}
.mini-col{display:grid;gap:24px;}
.mini-card{padding:22px 24px;display:flex;gap:16px;align-items:flex-start;}
.mini-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--brand-tint);color:var(--brand);
  display:grid;place-items:center;font-size:15px;font-weight:700;
  font-family:"Inter",var(--font);
}
.mini-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.4;margin-bottom:6px;}
.mini-card p{font-size:14px;color:var(--ink-2);}

/* ---------- horizontal scroll row ---------- */
.scroll-shell{position:relative;}
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:#D7E3F3;border-radius:999px;}
.score-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.score-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D6E3F5;}
.score-card .num{
  font-family:"Inter",var(--font);font-size:24px;font-weight:700;color:var(--brand);
  letter-spacing:-.01em;
}
.score-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.4;margin:10px 0 8px;}
.score-card p{font-size:14px;color:var(--ink-2);}
.score-card .tag{margin-top:16px;}

/* ---------- detail list ---------- */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 40px;}
.detail-item{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
}
.detail-item .idx{
  flex:0 0 28px;width:28px;height:28px;border-radius:8px;
  background:var(--brand-tint);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:600;
  font-family:"Inter",var(--font);margin-top:3px;
}
.detail-item h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.detail-item p{font-size:14px;color:var(--ink-2);}

/* ---------- assure bar ---------- */
.assure-bar{background:var(--brand-tint);padding:40px 0;}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.assure-item{display:flex;align-items:center;gap:12px;}
.assure-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--surface);border:1px solid rgba(31,111,224,.24);
  display:grid;place-items:center;color:var(--brand);
  font-family:"Inter",var(--font);font-size:14px;font-weight:700;
}
.assure-item span{font-size:15px;font-weight:500;color:var(--ink);}

/* ---------- CTA panel ---------- */
.cta-panel{
  background:linear-gradient(180deg,rgba(31,111,224,.07),rgba(31,111,224,.02) 70%,rgba(255,255,255,0));
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 40px;text-align:center;background-color:var(--surface);
  box-shadow:var(--shadow-card);
}
.cta-panel h2{font-size:26px;font-weight:600;color:var(--ink);line-height:1.3;}
.cta-panel p{margin:12px auto 26px;max-width:600px;font-size:15px;color:var(--ink-2);}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- related bar ---------- */
.related-bar{border-top:1px solid var(--line);background:var(--surface);padding:26px 0;}
.related-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;}
.related-row .label{color:var(--ink-3);margin-right:6px;}
.related-row a{
  color:var(--ink-2);padding:6px 14px;border-left:1px solid var(--line);
  transition:color .18s ease-out;
}
.related-row a:first-of-type{border-left:0;padding-left:0;}
.related-row a:hover{color:var(--brand);}

/* ---------- footer ---------- */
.site-footer{background:#132B4D;color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-mark{background:var(--brand);}
.footer-logo .logo-text{color:#fff;}
.footer-brand-text{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list{display:grid;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease-out,transform .18s ease-out;display:inline-block;}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  display:none;flex-direction:column;padding:20px;
}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;font-size:22px;line-height:1;color:var(--ink-2);
  transition:background .18s ease-out,color .18s ease-out;
}
.drawer-close:hover{background:var(--brand-tint);color:var(--brand);}
.drawer-nav{display:grid;gap:2px;margin-bottom:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .18s ease-out,padding-left .18s ease-out;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);padding-left:4px;}
.drawer-cta{width:100%;margin-top:24px;}

@media (max-width:1023px){
  .nav-links{gap:18px;}
  .nav-link{font-size:14px;}
  .hero-sm-grid{gap:32px;}
  .split{gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .burger{display:flex;}
  .site-header{height:60px;}
  .section{padding:64px 0;}
  .hero-sm{padding:36px 0 42px;}
  .hero-sm h1{font-size:28px;}
  .hero-sm-grid{grid-template-columns:1fr;}
  .hero-sm::after{width:160px;height:160px;border-radius:26px;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:52px;}
  .mix-grid{grid-template-columns:1fr;}
  .detail-grid{grid-template-columns:1fr;gap:0;}
  .assure-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .cta-panel{padding:32px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .section{padding:48px 0;}
  .hero-sm h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .split-body h2{font-size:21px;}
  .score-card{flex:0 0 82%;}
  .assure-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn.btn-inline{width:auto;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#1F6FEB;
  --brand-deep:#1552B8;
  --brand-tint:#E9F1FE;
  --teal:#0EA5A5;
  --amber:#F59E0B;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --line:#E3EBF5;
  --ink:#16243A;
  --ink-2:#44576F;
  --ink-3:#7A8CA3;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(22,36,58,.04), 0 10px 26px rgba(22,36,58,.06);
  --shadow-hover:0 4px 10px rgba(22,36,58,.06), 0 18px 40px rgba(22,36,58,.10);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:3px solid rgba(31,111,224,.22);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}

.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-tight{padding:40px 0;}
@media (min-width:1024px){.section-tight{padding:56px 0;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,36,58,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:60px;}
@media (min-width:768px){.nav-wrap{height:68px;}}

.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.02em;
  flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}

.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:24px;}
}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  border-radius:2px;background:transparent;transition:background .16s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{background:var(--brand);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{display:none;}
@media (min-width:768px){.nav-cta{display:inline-flex;}}

.burger{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;transition:border-color .18s ease,background .18s ease;
}
.burger:hover{border-color:var(--brand);background:var(--brand-tint);}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .18s ease;}
.burger:hover span{background:var(--brand);}
@media (min-width:1024px){.burger{display:none;}}

.nav-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:55;
  background:#fff;border-top:1px solid var(--line);
  padding:8px 0 24px;
  overflow-y:auto;
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.nav-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.nav-drawer a{
  display:flex;align-items:center;height:48px;padding:0 24px;
  font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);
}
.nav-drawer a:hover{color:var(--brand);background:var(--brand-tint);}
.nav-drawer a.active{color:var(--brand);}
.nav-drawer .drawer-cta{
  justify-content:center;height:48px;margin:20px 24px 0;border:0;border-radius:10px;
  background:var(--brand);color:#fff;font-weight:600;
}
.nav-drawer .drawer-cta:hover{background:var(--brand-deep);color:#fff;}
body.no-scroll{overflow:hidden;}

/* ---------- 按钮 ---------- */
.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:600;line-height:1;cursor:pointer;
  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);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);transition:color .18s ease;
}
.link-cta .arrow{transition:transform .18s ease;}
.link-cta:hover{color:var(--brand-deep);}
.link-cta:hover .arrow{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:500;line-height:1;
  background:var(--brand-tint);color:var(--brand);
}
.badge-teal{background:var(--teal);color:#fff;}

.tag-bar{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:14px;font-weight:500;transition:all .18s ease-out;cursor:pointer;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.tag.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 区块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.sec-title{
  position:relative;padding-left:16px;
  font-size:26px;font-weight:600;line-height:1.3;color:var(--ink);letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;
  border-radius:2px;background:var(--brand);
}
@media (min-width:1024px){.sec-title{font-size:32px;}}
.sec-sub{font-size:14px;color:var(--ink-3);margin-top:8px;}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:40px 0 36px;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:40px;background:rgba(31,111,224,.08);
}
.page-hero::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.hero-inner{position:relative;z-index:1;max-width:820px;}
.hero-kicker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.page-hero h1{
  font-size:30px;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--ink);
}
@media (min-width:1024px){.page-hero h1{font-size:36px;}}
.hero-lead{margin-top:14px;font-size:16px;color:var(--ink-2);}
.hero-actions{margin-top:24px;}

.crumb{font-size:14px;color:var(--ink-3);margin-bottom:18px;}
.crumb a{color:var(--ink-3);transition:color .16s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{margin:0 6px;font-weight:300;}

/* ---------- 两栏要点 + 清单 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:1024px){.split{grid-template-columns:1.35fr .95fr;gap:28px;}}

.point-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.point-grid{grid-template-columns:repeat(2,1fr);}}

.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8E6FA;}
.point-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand-tint);
  display:grid;place-items:center;color:var(--brand);margin-bottom:14px;
}
.point-icon svg{width:20px;height:20px;}
.point-card h3{font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);margin-bottom:8px;}
.point-card p{font-size:14px;line-height:1.75;color:var(--ink-2);}

.spec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.spec-head{padding:20px;border-bottom:1px solid var(--line);}
.spec-head h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4;}
.spec-head p{font-size:13px;color:var(--ink-3);margin-top:6px;}
.spec-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:14px 20px;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0;}
.spec-label{font-size:14px;color:var(--ink-3);flex:0 0 auto;}
.spec-value{font-size:14px;font-weight:600;color:var(--ink);text-align:right;}

/* ---------- 横向滚动专题 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#CFDDEf;border-radius:999px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail-card{
  flex:0 0 auto;width:300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
@media (min-width:768px){.rail-card{width:320px;}}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.rail-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-tint);}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.rail-card:hover .rail-media img{transform:scale(1.03);}
.rail-body{padding:18px 18px 20px;}
.rail-body h3{font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);margin:10px 0 8px;}
.rail-body p{font-size:14px;line-height:1.75;color:var(--ink-2);}

.rail-fade{
  position:absolute;top:0;bottom:12px;width:48px;pointer-events:none;display:none;
}
@media (min-width:1024px){
  .rail-fade{display:block;}
  .rail-fade.left{left:0;background:linear-gradient(to right,var(--bg),rgba(246,249,252,0));}
  .rail-fade.right{right:0;background:linear-gradient(to left,var(--bg),rgba(246,249,252,0));}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:14px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  flex:0 0 auto;width:20px;height:20px;color:var(--ink-3);
  transition:transform .18s ease,color .18s ease;
}
.faq-item[open]{border-left-color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(31,111,224,.07),rgba(31,111,224,.02));
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 24px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.cta-card{padding:44px 40px;}}
.cta-card h2{font-size:24px;font-weight:600;line-height:1.35;color:var(--ink);}
@media (min-width:1024px){.cta-card h2{font-size:28px;}}
.cta-card p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:660px;}
.cta-card .btn-row{margin-top:24px;}

/* ---------- 相关去向 ---------- */
.rel-bar{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;background:#fff;
}
.rel-bar .rel-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:16px 20px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-right:1px solid var(--line);
  transition:color .18s ease,background-color .18s ease;
}
.rel-bar .rel-item:last-child{border-right:0;}
.rel-bar .rel-item:hover{color:var(--brand);background:var(--brand-tint);}
@media (max-width:639px){
  .rel-bar{flex-direction:column;}
  .rel-bar .rel-item{border-right:0;border-bottom:1px solid var(--line);}
  .rel-bar .rel-item:last-child{border-bottom:0;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#132B4D;color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}}
.footer-logo{display:inline-flex;align-items:center;gap:10px;}
.footer-logo .logo-text{color:#fff;}
.footer-brand-text{
  margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:360px;
}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.72);
  transition:color .16s ease,transform .16s ease;
}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 通用小件 ---------- */
.lead-text{font-size:16px;line-height:1.85;color:var(--ink-2);}
.muted{color:var(--ink-3);font-size:14px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* roulang page: category3 */
:root{
  --brand:#1F6FEB;
  --brand-deep:#1552B8;
  --brand-tint:#E9F1FE;
  --teal:#0EA5A5;
  --amber:#F59E0B;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --line:#E3EBF5;
  --ink:#16243A;
  --ink-2:#44576F;
  --ink-3:#7A8CA3;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(22,36,58,.04),0 10px 26px rgba(22,36,58,.06);
  --shadow-hover:0 4px 10px rgba(22,36,58,.06),0 18px 40px rgba(22,36,58,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3{color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background-color .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-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(31,111,224,.22);
}
.link-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:500;transition:color .2s ease-out}
.link-cta .arrow{transition:transform .2s ease-out}
.link-cta:hover{color:var(--brand-deep)}
.link-cta:hover .arrow{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:500;line-height:1}
.badge-brand{background:var(--brand-tint);color:var(--brand)}
.badge-teal{background:var(--teal);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,36,58,.07)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:60px}
@media (min-width:768px){.nav-wrap{height:68px}}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;flex:none;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.drawer-cta{display:none}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:border-color .2s ease-out;
}
.burger:hover{border-color:var(--brand)}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease-out,opacity .2s ease-out}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:767px){
  .burger{display:flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 24px;
    border-top:1px solid var(--line);overflow-y:auto;
    transform:translateX(100%);transition:transform .22s ease-out;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-link{height:48px;display:flex;align-items:center;border-bottom:1px solid var(--line);font-size:16px;padding:0}
  .nav-link::after{display:none}
  .drawer-cta{display:block;margin-top:20px}
}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);padding:22px 0 0}
.crumbs a{color:var(--ink-2);transition:color .16s ease-out}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line);font-weight:300}
.crumbs .current{color:var(--ink-3)}

/* ---------- 首屏 ---------- */
.page-hero{background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;right:-40px;top:40px;width:240px;height:240px;
  border:12px solid rgba(31,111,224,.12);border-radius:36px;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:44px 0 56px;position:relative}
.hero-copy h1{font-size:32px;font-weight:700;line-height:1.2;margin:16px 0 14px}
.hero-sub{font-size:16px;color:var(--ink-2);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.hero-meta li{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.float-badge{position:absolute;left:16px;bottom:16px;height:28px;padding:0 14px;font-size:12px;box-shadow:0 6px 16px rgba(22,36,58,.12)}
@media (min-width:1024px){.hero-copy h1{font-size:34px}}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:32px 0 44px}
  .hero-media{order:-1}
}
@media (max-width:520px){
  .hero-copy h1{font-size:30px}
  .hero-actions .btn{width:100%}
}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:26px;font-weight:600;line-height:1.3;display:flex;align-items:center;gap:12px}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand);flex:none}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-lead{font-size:15px;color:var(--ink-3);margin-top:10px;max-width:46em}

/* ---------- 时间轴 ---------- */
.step-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:start}
.timeline{position:relative;padding:4px 0}
.timeline::before{content:"";position:absolute;left:19px;top:16px;bottom:16px;width:2px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:22px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:relative;z-index:1;width:40px;height:40px;border-radius:999px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;
  box-shadow:0 0 0 6px var(--brand-tint);
}
.tl-body h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:6px}
.tl-body p{font-size:15px;color:var(--ink-2)}
.tl-note{margin-top:12px;font-size:13px;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px}
.tl-note::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--teal);flex:none}
.step-aside{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:22px;box-shadow:var(--shadow-card)}
.step-aside img{aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:18px}
.step-aside h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-aside p{font-size:14px;color:var(--ink-3);line-height:1.8}
.step-aside ul{margin-top:14px;border-top:1px solid var(--line)}
.step-aside li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.step-aside li:last-child{border-bottom:none}
.step-aside li span:first-child{color:var(--ink-3)}
.step-aside li span:last-child{color:var(--ink);font-weight:500;text-align:right}
@media (max-width:1023px){
  .step-layout{grid-template-columns:1fr;gap:32px}
}

/* ---------- 确认清单 ---------- */
.checklist{border-top:1px solid var(--line)}
.checklist li{
  display:grid;grid-template-columns:44px 1fr auto;gap:20px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.checklist .ck-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.checklist h3{font-size:17px;font-weight:600;margin-bottom:4px;line-height:1.4}
.checklist p{font-size:14px;color:var(--ink-3)}
.checklist .ck-tag{font-size:12px;font-weight:500;color:var(--teal);border:1px solid rgba(14,165,165,.35);border-radius:999px;padding:4px 12px;white-space:nowrap}
@media (max-width:640px){
  .checklist li{grid-template-columns:40px 1fr;gap:14px}
  .checklist .ck-tag{grid-column:2;justify-self:start}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;margin-bottom:14px;
  overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--shadow-card)}
.faq-item:hover{border-color:#CFE0F6}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
  list-style:none;transition:color .18s ease-out;
}
.faq-q::-webkit-details-marker{display:none}
.faq-item[open] .faq-q{color:var(--brand)}
.faq-q::after{
  content:"";width:9px;height:9px;flex:none;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .18s ease-out,border-color .18s ease-out;margin-right:2px;
}
.faq-item[open] .faq-q::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- 保障条 ---------- */
.assure{background:var(--brand-tint);border-top:1px solid #D6E5FB;border-bottom:1px solid #D6E5FB;padding:30px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure-item{display:flex;align-items:center;gap:14px;font-size:15px;color:var(--ink);font-weight:500}
.assure-item .ai{
  width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid #CFE0F6;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:14px;font-weight:700;flex:none;
}
@media (max-width:767px){
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}

/* ---------- 居中 CTA ---------- */
.cta-card{
  border:1px solid var(--line);border-radius:20px;padding:44px 28px;text-align:center;
  background-color:#fff;
  background-image:linear-gradient(135deg,rgba(31,111,224,.07),rgba(14,165,165,.05));
  box-shadow:var(--shadow-card);
}
.cta-card h2{font-size:26px;font-weight:600;line-height:1.3}
.cta-card p{margin:14px auto 0;max-width:40em;font-size:15px;color:var(--ink-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
@media (min-width:768px){.cta-card{padding:56px 48px}.cta-card h2{font-size:32px}}

/* ---------- 相关去向 ---------- */
.related{padding:24px 0;border-top:1px solid var(--line);background:#fff}
.related-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px}
.related-label{font-size:14px;font-weight:600;color:var(--ink)}
.related-links{display:flex;flex-wrap:wrap;align-items:center;gap:0}
.related-links a{
  font-size:14px;color:var(--ink-2);padding:0 18px;border-left:1px solid var(--line);
  transition:color .18s ease-out;
}
.related-links a:first-child{padding-left:0;border-left:none}
.related-links a:hover{color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{background:#132B4D;color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-text{color:#fff}
.footer-logo .logo-mark{background:var(--brand)}
.footer-brand-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:30em}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:11px;font-size:14px}
.footer-list a{color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease-out,transform .18s ease-out}
.footer-list a:hover{color:#fff;transform:translateX(2px)}
.footer-list span{color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}