/* roulang page: index */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --accent:#FF6A3D;
  --accent-dark:#E85A2E;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --info:#6C63FF;
  --warn:#E8622C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,16,46,.06);
  --sh-2:0 10px 24px rgba(20,16,46,.10);
  --container:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;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;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-dark);white-space:nowrap;}
.link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:18px;font-weight:600;}
.badge-cat{background:rgba(22,199,154,.10);color:var(--brand-dark);}
.badge-star{background:rgba(255,203,69,.16);color:#9A6B00;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,61,.28);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,106,61,.24);}
.btn-ghost{background:transparent;border-color:var(--ink-deep);color:var(--ink-deep);}
.btn-ghost:hover{background:rgba(20,16,46,.06);transform:translateY(-1px);}
.btn-plain{padding:0;height:auto;color:var(--brand-dark);font-weight:600;}
.btn-plain:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(20,16,46,.07);}
.topbar{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(150deg,var(--ink-deep) 0%,#2A2354 100%);display:flex;align-items:center;justify-content:center;color:var(--star);font-size:15px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:2px;}
.main-nav{flex:1;min-width:0;}
.main-nav ul{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;}
.main-nav a{display:block;position:relative;padding:8px 13px;font-size:15px;color:var(--text-2);border-radius:8px;}
.main-nav a:hover{color:var(--text);background:rgba(20,16,46,.05);}
.main-nav a.active{color:var(--text);font-weight:600;}
.main-nav a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{position:relative;display:flex;align-items:center;width:190px;transition:width .22s ease;}
.nav-search i{position:absolute;left:12px;font-size:13px;color:var(--text-3);pointer-events:none;}
.nav-search input{width:100%;height:38px;padding:0 12px 0 34px;border:1px solid transparent;border-radius:10px;background:#F2F3F9;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.15);}
.nav-search:focus-within{width:230px;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--text);align-items:center;justify-content:center;font-size:16px;}
.menu-toggle:hover{background:rgba(20,16,46,.05);}
.hotbar{display:flex;align-items:center;gap:10px;height:40px;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--line);}
.hotbar::-webkit-scrollbar{display:none;}
.hotbar-label{font-size:12px;color:var(--text-3);letter-spacing:1px;white-space:nowrap;}
.hotbar a{flex-shrink:0;padding:4px 12px;border-radius:999px;background:#F2F3F9;border:1px solid var(--line);font-size:12px;line-height:18px;color:var(--text-2);}
.hotbar a:hover{background:rgba(22,199,154,.12);border-color:rgba(22,199,154,.4);color:var(--brand-dark);}
.site-header.is-scrolled .hotbar{display:none;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,46,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:180;}
.drawer{position:fixed;top:0;left:0;bottom:0;width:286px;max-width:84vw;background:#fff;z-index:200;transform:translateX(-102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.drawer-nav a{display:block;padding:12px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-dark);font-weight:600;}
.drawer-search{margin:18px 0;}
.drawer-search input{width:100%;height:42px;border-radius:10px;border:1px solid var(--line);background:#F8F9FC;padding:0 14px;font-size:14px;}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.15);}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.drawer-hot a{padding:5px 12px;border-radius:999px;background:#F2F3F9;border:1px solid var(--line);font-size:12px;color:var(--text-2);}
.drawer .btn{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);background-size:30px 30px;opacity:.45;pointer-events:none;}
.hero::after{content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(22,199,154,.22) 0%,rgba(22,199,154,0) 68%);pointer-events:none;}
.hero .container{position:relative;z-index:2;}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(20,16,46,.96) 0%,rgba(20,16,46,.90) 46%,rgba(30,25,64,.80) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.96;}
.hero-inner{position:relative;padding:76px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);font-size:12px;letter-spacing:1px;color:rgba(255,255,255,.82);}
.hero-tag i{color:var(--star);font-size:11px;}
.hero h1{margin:22px 0 0;font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.76);max-width:520px;}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:32px;flex-wrap:wrap;}
.hero-actions .btn-plain{color:var(--brand);}
.hero-actions .btn-plain:hover{color:#fff;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid rgba(255,255,255,.12);}
.hero-media .hero-float{position:absolute;left:-18px;bottom:-22px;background:var(--ink-deep-2);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:12px;}
.hero-float i{color:var(--star);font-size:16px;}
.hero-float strong{display:block;font-size:15px;font-variant-numeric:tabular-nums;}
.hero-float span{font-size:12px;color:rgba(255,255,255,.6);}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;border-top:1px solid rgba(255,255,255,.10);}
.hero-stats li{padding:24px 20px 34px 0;position:relative;}
.hero-stats li+li{padding-left:24px;border-left:1px solid rgba(255,255,255,.08);}
.hero-stat-num{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.hero-stat-num small{font-size:14px;font-weight:600;margin-left:2px;color:var(--brand);}
.hero-stat-label{margin-top:6px;font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.5px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.35);}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.step-card h3{margin-top:18px;font-size:17px;font-weight:600;line-height:1.5;}
.step-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}
.step-icon{position:absolute;top:26px;right:24px;font-size:18px;color:var(--line);}
.step-card:not(:last-child)::after{content:"";position:absolute;top:44px;right:-32px;width:32px;border-top:1px dashed rgba(22,199,154,.55);}

/* ---------- topic cards (horizontal) ---------- */
.topic-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin;}
.topic-scroll::-webkit-scrollbar{height:6px;}
.topic-scroll::-webkit-scrollbar-thumb{background:#D7DAE6;border-radius:999px;}
.topic-card{flex:0 0 300px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.35);}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.topic-body{padding:18px 20px 22px;}
.topic-body h3{font-size:16px;font-weight:600;line-height:1.5;}
.topic-body p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--text-2);}
.topic-meta{margin-top:14px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);}

/* ---------- cases ---------- */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.case-row+.case-row{margin-top:64px;}
.case-row.reverse .case-media{order:2;}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--sh-1);}
.case-body h3{font-size:22px;font-weight:700;line-height:1.4;letter-spacing:-.2px;}
.case-body p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);}
.case-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.case-list{margin-top:20px;display:grid;gap:10px;}
.case-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.case-list i{color:var(--brand);font-size:13px;margin-top:6px;}

/* ---------- rank + tags ---------- */
.dual-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);}
.panel h3{font-size:18px;font-weight:700;}
.panel-sub{margin-top:6px;font-size:13px;color:var(--text-3);}
.rank-list{margin-top:14px;}
.rank-list li{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);}
.rank-list li:last-child{border-bottom:none;}
.rank-no{width:24px;height:24px;border-radius:8px;background:rgba(255,106,61,.12);color:var(--accent-dark);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;flex-shrink:0;}
.rank-list a{font-size:15px;color:var(--text);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-list a:hover{color:var(--brand-dark);}
.rank-time{font-size:12px;color:var(--text-3);flex-shrink:0;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag-cloud a{padding:7px 14px;border-radius:999px;background:#F4F5FA;border:1px solid var(--line);font-size:13px;color:var(--text-2);}
.tag-cloud a:hover{background:rgba(22,199,154,.12);border-color:rgba(22,199,154,.4);color:var(--brand-dark);}
.tag-cloud a.hot{background:rgba(255,203,69,.16);border-color:rgba(255,203,69,.5);color:#9A6B00;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.30);}
.news-card:hover .news-title{color:var(--brand-dark);}
.news-cover{position:relative;}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-cover .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--brand-dark);backdrop-filter:blur(4px);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.news-desc{margin-top:10px;font-size:13px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3);}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;padding:52px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;}
.empty-state i{font-size:30px;color:#D7DAE6;}
.empty-state p{font-size:15px;color:var(--text-2);}
.empty-state a{font-size:14px;font-weight:600;color:var(--brand-dark);}
.empty-state a:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start;}
.faq-intro h2{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.faq-intro p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;}
.faq-list details[open]{border-color:rgba(22,199,154,.35);}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:16px;height:auto;min-height:52px;padding:14px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary:hover{color:var(--brand-dark);}
.faq-list details[open] summary{color:var(--brand-dark);}
.faq-list summary .faq-arrow{font-size:13px;color:var(--text-3);transition:transform .2s ease,color .2s ease;flex-shrink:0;}
.faq-list details[open] summary .faq-arrow{transform:rotate(180deg);color:var(--brand);}
.faq-answer{background:#FAFAFD;border-top:1px solid var(--line);padding:16px 20px;font-size:14px;line-height:1.85;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--ink-deep);color:#fff;padding:56px 0;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:26px 26px;opacity:.35;pointer-events:none;}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-grid h2{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.cta-grid p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;color:rgba(255,255,255,.78);}
.field input,.field select{height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field select option{color:#14162B;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.18);background:rgba(255,255,255,.10);}
.field .field-error{font-size:12px;color:#FFB59B;display:none;}
.field.has-error input{border-color:var(--warn);}
.field.has-error .field-error{display:block;}
.cta-form .btn{grid-column:1/-1;width:100%;}
.form-note{grid-column:1/-1;font-size:12px;line-height:1.7;color:rgba(255,255,255,.52);}
.form-success{grid-column:1/-1;background:rgba(22,199,154,.14);border-left:3px solid var(--brand);border-radius:8px;padding:10px 14px;font-size:13px;color:#BDF6E6;display:none;}
.form-success.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--brand);font-size:14px;margin-top:5px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52);}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .nav-search{width:150px;}
  .nav-search:focus-within{width:180px;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .nav-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .step-card:not(:last-child)::after{top:auto;bottom:-20px;left:44px;right:auto;width:1px;height:20px;border-top:none;border-left:1px dashed rgba(22,199,154,.55);}
  .case-row{grid-template-columns:1fr;gap:28px;}
  .case-row.reverse .case-media{order:0;}
  .dual-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .hero-inner{padding:48px 0 0;}
  .hero h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn{width:100%;}
  .hero-media .hero-float{left:8px;bottom:-18px;}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:40px;}
  .hero-stats li{padding:18px 16px 22px 0;}
  .hero-stats li+li{padding-left:0;border-left:none;}
  .hero-stats li:nth-child(even){padding-left:16px;border-left:1px solid rgba(255,255,255,.08);}
  .news-grid{grid-template-columns:1fr;}
  .topic-card{flex:0 0 260px;}
  .cta-form{grid-template-columns:1fr;padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .topbar{gap:12px;}
  .brand-name{font-size:16px;}
  .hero-stat-num{font-size:24px;}
  .btn{height:48px;}
  .hero-actions .btn-primary{width:100%;}
}

/* roulang page: article */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --brand-soft:rgba(22,199,154,.10);
  --accent:#FF6A3D;
  --accent-dark:#E85A2E;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,46,.06);
  --shadow-2:0 10px 24px rgba(20,16,46,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input{font-family:inherit}
ul,ol{margin:0}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,16,46,.08)}
.header-top{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink-deep),var(--ink-deep-2));
  color:var(--brand);font-size:13px;
}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--text)}
.header-search{
  flex:1 1 auto;max-width:330px;display:flex;align-items:center;gap:8px;
  height:40px;padding:0 8px 0 12px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FAFAFD;transition:border-color .2s,box-shadow .2s,background .2s;
}
.header-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft)}
.header-search i{color:var(--text-3);font-size:13px}
.header-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--text);outline:none}
.header-search input::placeholder{color:var(--text-3)}
.header-search button{
  border:0;border-radius:8px;background:var(--ink-deep);color:#fff;
  font-size:13px;padding:0 12px;height:28px;cursor:pointer;transition:background .2s;
}
.header-search button:hover{background:var(--ink-deep-2)}
.hot-words{display:flex;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.hot-words::-webkit-scrollbar{display:none}
.hot-words a{
  flex:0 0 auto;font-size:12px;line-height:1;color:var(--text-2);text-decoration:none;
  padding:6px 11px;border-radius:999px;background:#F1F2F9;border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.hot-words a:hover{color:var(--brand-dark);background:var(--brand-soft);border-color:rgba(22,199,154,.35)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);cursor:pointer;align-items:center;justify-content:center;font-size:15px;
}
.nav-toggle:hover{border-color:rgba(22,199,154,.45);color:var(--brand-dark)}
.header-nav{border-top:1px solid var(--line)}
.main-nav ul{display:flex;gap:28px;list-style:none;padding:0}
.main-nav a{
  display:inline-block;padding:11px 0;font-size:15px;color:var(--text-2);text-decoration:none;
  border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--text);font-weight:600;border-bottom-color:var(--brand)}
.main-nav a:focus-visible,.brand:focus-visible,.hot-words a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:284px;max-width:84vw;z-index:95;
  background:#fff;padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(-102%);transition:transform .28s ease;box-shadow:var(--shadow-2);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,46,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);cursor:pointer;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-search{display:flex;align-items:center;gap:8px;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:#FAFAFD;margin-bottom:18px}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  display:block;padding:12px 10px;border-radius:10px;text-decoration:none;color:var(--text-2);font-size:15px;
  transition:background .2s,color .2s;
}
.drawer-nav a:hover{background:#F1F2F9;color:var(--text)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.drawer-words{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.drawer-words a{font-size:12px;padding:6px 11px;border-radius:999px;background:#F1F2F9;color:var(--text-2);text-decoration:none}

/* 文章头部 */
.page-hero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:34px 34px;opacity:.13;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding:44px 0 52px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.8);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:#fff;max-width:38ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-hero h1{
  font-size:40px;line-height:1.24;font-weight:700;letter-spacing:-.5px;color:#fff;
  max-width:880px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.72)}
.article-meta .badge-cat{background:rgba(22,199,154,.18);color:#63E9C5;border:1px solid rgba(22,199,154,.32)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35)}

/* 主体布局 */
.main-area{padding:48px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:34px;align-items:start}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:44px 40px;
}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:28px;line-height:1.32;font-weight:700;margin:2em 0 .7em;letter-spacing:-.3px}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.5em 0;padding:14px 20px;border-left:3px solid var(--brand);
  background:#FAFAFD;color:var(--text-2);border-radius:0 10px 10px 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14px}
.article-body th{background:#F6F7FB;text-align:left;font-weight:600}
.article-body th,.article-body td{padding:10px 14px;border:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFAFD}
.article-body pre{
  background:#F6F7FB;border:1px solid var(--line);border-radius:var(--radius-img);
  padding:16px 18px;overflow-x:auto;font-size:13px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.94em}
.article-foot{
  max-width:760px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.article-foot .note{font-size:13px;color:var(--text-3)}

/* 侧栏目录 */
.article-aside{position:sticky;top:92px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 16px;box-shadow:var(--shadow-1)}
.toc-card h2{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px;padding-left:2px}
.toc-list{list-style:none;padding:0;border-left:1px solid var(--line)}
.toc-list a{
  display:block;padding:7px 0 7px 14px;margin-left:-1px;font-size:13px;line-height:1.5;
  color:var(--text-2);text-decoration:none;border-left:2px solid transparent;
  transition:color .2s,border-color .2s;
}
.toc-list a:hover{color:var(--brand-dark)}
.toc-list a.is-active{color:var(--brand-dark);border-left-color:var(--brand);font-weight:600}
.toc-list .lv3 a{padding-left:26px;font-size:12.5px;color:var(--text-3)}
.toc-list .lv3 a.is-active{color:var(--brand-dark)}
.toc-tip{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;color:var(--text-3);line-height:1.7}

/* 版面通用 */
.section{padding:8px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:0 0 26px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:6px;font-size:14px;color:var(--text-2)}
.more-link{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--brand-dark);text-decoration:none;
  transition:color .2s;
}
.more-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-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-1);text-decoration:none;color:inherit;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(22,199,154,.3)}
.info-card:active{transform:none;box-shadow:var(--shadow-1)}
.info-card:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.info-card:hover .info-title{color:var(--brand-dark)}
.thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEEF6}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.info-card:hover .thumb img{transform:scale(1.04)}
.info-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-title{
  font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-sum{
  font-size:14px;line-height:1.65;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-meta{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:12px;color:var(--text-3);
}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;line-height:1.4;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,106,61,.32)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink-deep);border-color:rgba(20,16,46,.35)}
.btn-ghost:hover{background:rgba(20,16,46,.06)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-light:hover{background:rgba(255,255,255,.12)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 转化条 */
.cta-strip{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;margin-top:80px}
.cta-strip::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:30px 30px;opacity:.12;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:44px 0}
.cta-inner h2{font-size:26px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.74);max-width:640px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* 状态样式 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;padding:62px 24px;text-align:center;
  background:#FAFAFD;border:1px dashed var(--line);border-radius:var(--radius-card);color:var(--text-2);
}
.empty-state i{font-size:26px;color:var(--brand)}
.empty-state strong{font-size:18px;color:var(--text)}
.empty-state p{font-size:14px;color:var(--text-2);max-width:420px}
.skeleton{background:linear-gradient(90deg,#EDEEF6 25%,#F6F7FB 37%,#EDEEF6 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:10px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.alert-error{
  display:flex;gap:12px;align-items:flex-start;background:#FFF2EC;color:#8A3312;
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;padding:14px 18px;font-size:14px;
}
.alert-error i{margin-top:3px;color:var(--accent)}

/* 页脚 */
.site-footer{position:relative;background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 26px;overflow:hidden}
.site-footer::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.45) 1px,transparent 1px);
  background-size:38px 38px;opacity:.09;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:var(--brand)}
.footer-brand .brand-name{color:#fff;font-size:18px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:12px}
.footer-bottom{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:none}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
  .article-card{padding:38px 34px}
}
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .site-footer p{max-width:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .header-top{height:60px;gap:14px}
  .header-search{display:none}
  .hot-words{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-nav{display:none}
  .page-hero .container{padding:32px 0 38px}
  .page-hero h1{font-size:30px;line-height:1.32}
  .article-meta{font-size:12.5px}
  .main-area{padding:34px 0 56px}
  .article-card{padding:24px 18px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-strip{margin-top:56px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 0}
  .cta-inner h2{font-size:21px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;padding-bottom:28px}
  .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .article-card{padding:20px 15px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .article-foot .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --accent:#FF6A3D;
  --accent-dark:#E85A2E;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,46,.06);
  --shadow-2:0 10px 24px rgba(20,16,46,.10);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(20,16,46,.04);
}
.header-top{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink-deep);
  color:var(--brand);display:grid;place-items:center;font-size:15px;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.3px;color:var(--text);}
.main-nav{flex:1;}
.main-nav ul{display:flex;align-items:center;gap:2px;}
.main-nav a{
  position:relative;display:block;padding:9px 13px;border-radius:8px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(20,16,46,.05);}
.main-nav a.active{color:var(--text);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--radius-btn);background:#F1F2F8;border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{
  border:none;background:transparent;outline:none;width:170px;font-size:14px;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.16);
}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:16px;
  place-items:center;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}
.hot-row{
  display:flex;align-items:center;gap:8px;
  padding-bottom:10px;overflow-x:auto;scrollbar-width:none;
}
.hot-row::-webkit-scrollbar{display:none;}
.hot-label{font-size:12px;color:var(--text-3);flex-shrink:0;}
.hot-pill{
  flex-shrink:0;font-size:12px;line-height:18px;padding:3px 11px;border-radius:999px;
  background:rgba(22,199,154,.10);color:var(--brand-dark);font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.hot-pill:hover{background:var(--brand);color:#fff;}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,46,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:290px;max-width:85vw;background:#fff;
  z-index:100;transform:translateX(-100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.mobile-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head .brand-name{font-size:17px;font-weight:700;}
.drawer-close{width:38px;height:38px;border-radius:10px;background:#F1F2F8;color:var(--text-2);display:grid;place-items:center;}
.drawer-nav a{
  display:block;padding:13px 12px;border-radius:10px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-dark);font-weight:600;background:rgba(22,199,154,.08);}
.drawer-nav a:last-child{border-bottom:none;}
.drawer-search{margin:20px 0 14px;}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);outline:none;background:#F8F9FD;
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.16);background:#fff;}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,61,.22);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,61,.24);}
.btn-ghost{border:1px solid var(--ink-deep);color:var(--ink-deep);background:transparent;}
.btn-ghost:hover{background:rgba(20,16,46,.06);}
.btn-on-dark{border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;}
.btn-on-dark:hover{background:rgba(255,255,255,.12);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);
  font-size:15px;font-weight:600;
}
.btn-link:hover{text-decoration:underline;text-underline-offset:3px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(22,199,154,.10);color:var(--brand-dark);
}
.badge-accent{background:rgba(255,106,61,.12);color:var(--accent-dark);}
.badge-star{background:rgba(255,203,69,.18);color:#A87A00;}
.meta-line{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.6;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.26;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;opacity:.14;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.crumbs a:hover{color:#fff;}
.crumbs i{font-size:10px;opacity:.7;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:rgba(22,199,154,.16);color:#7BEBCB;font-size:13px;font-weight:600;
  border:1px solid rgba(22,199,154,.3);margin-bottom:18px;
}
.page-hero h1{
  font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.5px;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:16px;line-height:28px;color:rgba(255,255,255,.78);
  max-width:520px;margin-bottom:26px;
}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.hero-actions .btn-link{color:#7BEBCB;}
.hero-figure{
  border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 指标条 ============ */
.stats-strip{
  background:var(--surface);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  margin-top:-36px;position:relative;z-index:5;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:22px 24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:none;}
.stat-num{font-size:26px;font-weight:700;letter-spacing:-.4px;color:var(--text);}
.stat-num span{font-size:14px;font-weight:600;color:var(--brand-dark);margin-left:4px;}
.stat-label{font-size:12px;color:var(--text-3);margin-top:4px;}

/* ============ 板块通用 ============ */
.section{padding:80px 0 0;}
.section-head{margin-bottom:32px;max-width:720px;}
.section-head .eyebrow{
  font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:1px;
  text-transform:uppercase;margin-bottom:8px;
}
.section-head h2{font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.3px;margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--text-2);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);margin-bottom:24px;
}
.filter-group{display:flex;align-items:center;gap:8px;}
.filter-label{font-size:12px;color:var(--text-3);}
.chip{
  font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:#F8F9FD;color:var(--text-2);transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);}
.chip.active{background:var(--ink-deep);color:#fff;border-color:var(--ink-deep);}
.filter-divider{width:1px;height:20px;background:var(--line);}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.card:hover{border-color:rgba(22,199,154,.32);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card:active{transform:translateY(0);}
.card:hover .card-title{color:var(--brand-dark);}
.card-cover{position:relative;overflow:hidden;background:#EDEFF7;}
.card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:20px;}
.card-title{font-size:17px;line-height:26px;font-weight:600;margin-bottom:10px;transition:color .2s ease;}
.card-text{font-size:14px;line-height:23px;color:var(--text-2);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-badge{position:absolute;top:12px;left:12px;}
.card-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

/* ============ 横向条目卡 ============ */
.feed-list{display:flex;flex-direction:column;gap:16px;}
.feed-item{
  display:grid;grid-template-columns:220px 1fr;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.feed-item:hover{border-color:rgba(22,199,154,.32);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.feed-thumb{border-radius:var(--radius-img);overflow:hidden;background:#EDEFF7;}
.feed-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feed-content{display:flex;flex-direction:column;justify-content:space-between;padding:4px 4px 4px 0;}
.feed-content h3{font-size:18px;line-height:28px;font-weight:600;margin:8px 0 8px;}
.feed-item:hover .feed-content h3{color:var(--brand-dark);}
.feed-content p{font-size:14px;line-height:23px;color:var(--text-2);}
.feed-foot{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--text-3);flex-wrap:wrap;}

/* ============ 节奏时间线 ============ */
.rhythm{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:40px 32px;box-shadow:var(--shadow-1);}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;}
.timeline::before{
  content:"";position:absolute;top:17px;left:8%;right:8%;
  border-top:1px dashed var(--line);
}
.tl-item{position:relative;text-align:center;padding-top:0;}
.tl-dot{
  width:36px;height:36px;border-radius:50%;margin:0 auto 16px;position:relative;z-index:2;
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:700;
  background:var(--brand);box-shadow:0 0 0 6px rgba(22,199,154,.14);
}
.tl-item:nth-child(2) .tl-dot{background:var(--ink-deep);box-shadow:0 0 0 6px rgba(20,16,46,.10);}
.tl-time{font-size:13px;font-weight:700;color:var(--accent-dark);margin-bottom:6px;letter-spacing:.5px;}
.tl-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-item p{font-size:14px;line-height:23px;color:var(--text-2);max-width:280px;margin:0 auto;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.3px;margin-bottom:14px;}
.faq-aside p{font-size:15px;line-height:26px;color:var(--text-2);margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(22,199,154,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:14px 20px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text);transition:color .2s ease;
}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-q i{font-size:14px;color:var(--text-3);transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{
  padding:16px 20px 18px;background:#FAFAFD;font-size:14px;line-height:25px;
  color:var(--text-2);border-top:1px solid var(--line);
}

/* ============ CTA ============ */
.cta-band{
  margin-top:80px;background:var(--ink-deep);color:#fff;position:relative;overflow:hidden;
  padding:56px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:60px 60px;opacity:.12;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-grid h2{font-size:28px;line-height:36px;font-weight:700;margin-bottom:12px;letter-spacing:-.3px;}
.cta-grid p{font-size:15px;line-height:26px;color:rgba(255,255,255,.72);}
.cta-form{display:grid;gap:14px;}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  color:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field select option{color:var(--text);}
.field input:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.22);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:12px;color:rgba(255,255,255,.5);}

/* ============ 状态样式 ============ */
.state-empty{
  text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-card);color:var(--text-3);
}
.state-empty i{font-size:30px;color:var(--brand);opacity:.55;margin-bottom:12px;display:block;}
.state-empty p{font-size:14px;}
.skeleton{
  border-radius:10px;background:linear-gradient(90deg,#EDEFF7 25%,#F6F7FB 37%,#EDEFF7 63%);
  background-size:400% 100%;animation:skeleton 1.4s ease infinite;
}
@keyframes skeleton{0%{background-position:100% 50%;}100%{background-position:0 50%;}}
.alert-error{
  display:flex;gap:10px;align-items:flex-start;padding:14px 18px;border-radius:10px;
  background:#FFF1EA;color:#B8451A;border-left:3px solid var(--accent);
  font-size:14px;line-height:22px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.08);
  color:var(--brand);display:grid;place-items:center;font-size:15px;
  border:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-name{font-size:17px;font-weight:700;color:#fff;}
.site-footer p{font-size:14px;line-height:24px;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;line-height:22px;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .search-box input{width:130px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .page-hero h1{font-size:34px;line-height:42px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .main-nav a{padding:9px 10px;font-size:14px;}
}
@media (max-width:768px){
  .main-nav,.search-box{display:none;}
  .menu-toggle{display:grid;}
  .header-top{height:60px;gap:12px;}
  .section{padding:56px 0 0;}
  .section-head h2,.faq-aside h2,.cta-grid h2{font-size:22px;line-height:30px;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .feed-item{grid-template-columns:1fr;gap:14px;}
  .feed-thumb img{aspect-ratio:16/10;}
  .timeline{grid-template-columns:1fr;gap:22px;}
  .timeline::before{display:none;}
  .tl-item{text-align:left;padding-left:52px;}
  .tl-dot{position:absolute;left:0;top:0;margin:0;}
  .tl-item p{margin:0;max-width:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{border-left:none;border-top:1px solid var(--line);}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:first-child,.stat:nth-child(2){border-top:none;}
  .rhythm{padding:28px 20px;}
  .page-hero{padding:44px 0 60px;}
  .page-hero h1{font-size:28px;line-height:36px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .btn{width:100%;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-link{width:auto;}
  .form-row{grid-template-columns:1fr;}
  .card-body{padding:16px;}
  .filter-bar{padding:14px 16px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --accent:#FF6A3D;
  --accent-dark:#F0552A;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --soft:#FAFAFD;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --warn:#E8622C;
  --warn-bg:#FFF3ED;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,46,.06);
  --shadow-2:0 10px 24px rgba(20,16,46,.10);
  --container:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ============ 容器与板块 ============ */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.4px;}
.section-head p{color:var(--text-2);font-size:14px;margin-top:6px;}
.link-more{color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap;}
.link-more:hover{text-decoration:underline;text-underline-offset:3px;}

/* ============ 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:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,61,.28);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,106,61,.24);}
.btn-ghost{border:1px solid var(--ink-deep);color:var(--ink-deep);background:transparent;}
.btn-ghost:hover{background:rgba(20,16,46,.06);color:var(--ink-deep);}
.btn-ghost-light{border:1px solid rgba(255,255,255,.42);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);color:#fff;}
.btn-link{color:var(--brand);font-weight:600;padding:0;height:auto;}
.btn-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ 徽章与标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;line-height:18px;font-weight:600;background:rgba(22,199,154,.10);color:var(--brand-dark);}
.badge--star{background:rgba(255,203,69,.18);color:#8A6A00;}
.badge--live{background:rgba(255,106,61,.12);color:var(--accent-dark);}
.meta{color:var(--text-3);font-size:12px;line-height:18px;}
.dot-sep{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--text-3);vertical-align:middle;margin:0 8px;}

/* ============ 页头导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,16,46,.08);}
.header-top{display:flex;align-items:center;gap:24px;height:64px;}
.site-header.scrolled .header-top{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#0B8B6C);color:#fff;font-size:15px;
}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.3px;white-space:nowrap;}
.header-search{
  flex:1;max-width:340px;display:flex;align-items:center;gap:10px;
  height:40px;padding:0 14px;border-radius:10px;border:1px solid transparent;background:#F1F2F8;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.header-search i{color:var(--text-3);font-size:14px;}
.header-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px;color:var(--text);}
.header-search input::placeholder{color:var(--text-3);}
.header-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(22,199,154,.14);}
.hot-tags{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex-shrink:1;}
.hot-tags::-webkit-scrollbar{display:none;}
.hot-tags a{
  font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  background:#F1F2F8;color:var(--text-2);white-space:nowrap;
}
.hot-tags a:hover{background:rgba(22,199,154,.12);color:var(--brand-dark);}
.nav-row{border-top:1px solid var(--line);}
.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
  display:block;position:relative;padding:14px 16px;font-size:15px;font-weight:500;color:var(--text-2);
}
.main-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.main-nav a:hover{color:var(--text);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--text);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);place-items:center;font-size:16px;color:var(--text);}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,46,.5);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:70;}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;background:#fff;z-index:80;
  transform:translateX(-100%);transition:transform .26s ease;padding:22px 20px;overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open .mobile-drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head .brand-name{font-size:16px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;}
.drawer-nav li a{display:block;padding:13px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-nav li a.active{color:var(--brand-dark);font-weight:600;}
.drawer-search{display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:var(--soft);margin:18px 0;}
.drawer-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.drawer-tags a{font-size:12px;padding:6px 11px;border-radius:999px;background:#F1F2F8;color:var(--text-2);}
.drawer-cta{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:rgba(255,255,255,.62);padding:18px 0 0;}
.breadcrumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb li[aria-current]{color:#fff;}
.breadcrumb .sep{opacity:.5;}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;color:#fff;padding:0 0 104px;overflow:hidden;
  background:
    linear-gradient(140deg,rgba(20,16,46,.94) 0%,rgba(30,25,64,.90) 55%,rgba(14,154,120,.62) 140%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:34px 34px;opacity:.35;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,199,154,.34),transparent 68%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{padding-top:34px;max-width:760px;}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);background:rgba(22,199,154,.12);border:1px solid rgba(22,199,154,.28);padding:6px 14px;border-radius:999px;margin-bottom:20px;}
.page-hero h1{font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.5px;margin-bottom:16px;}
.page-hero .lede{font-size:16px;line-height:28px;color:rgba(255,255,255,.80);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.58);display:flex;align-items:center;gap:8px;}

/* ============ 筛选胶囊 ============ */
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:30px;}
.filter-label{font-size:13px;color:rgba(255,255,255,.60);}
.filter-pills{display:flex;gap:8px;flex-wrap:wrap;}
.filter-pills button{
  font-size:13px;padding:8px 16px;border-radius:999px;color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.06);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.filter-pills button:hover{background:rgba(255,255,255,.14);color:#fff;}
.filter-pills button.is-active{background:var(--brand);border-color:var(--brand);color:#0C2B23;font-weight:600;}

/* ============ 指标格 ============ */
.metrics{margin-top:-64px;position:relative;z-index:5;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);overflow:hidden;
}
.metric{padding:26px 24px;border-right:1px solid var(--line);}
.metric:last-child{border-right:none;}
.metric .num{font-size:32px;line-height:1.2;font-weight:700;letter-spacing:-.6px;color:var(--ink-deep);font-variant-numeric:tabular-nums;}
.metric .num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px;}
.metric .label{margin-top:8px;font-size:13px;color:var(--text-2);line-height:20px;}

/* ============ 双栏混合区 ============ */
.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:24px;align-items:start;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);}
.panel-head h3{font-size:17px;line-height:26px;font-weight:600;}
.panel-head span{font-size:12px;color:var(--text-3);}
.panel-body{padding:8px 0;}
.panel-body--pad{padding:20px 24px 24px;}

/* 表格 */
.data-table{width:100%;border-collapse:collapse;font-size:14px;}
.data-table thead th{
  background:var(--soft);color:var(--text-3);font-weight:600;font-size:12.5px;
  text-align:left;padding:11px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:middle;}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table tbody tr{transition:background .16s ease;}
.data-table tbody tr:hover{background:#F8FBF9;}
.data-table tbody tr:hover td{color:var(--text);}
.data-table .cell-title{color:var(--text);font-weight:600;}
.data-table .time{color:var(--ink-deep);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;}
.state{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--brand-dark);}
.state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.state--wait{color:var(--text-3);}
.state--wait::before{background:#C6CADA;}
.state--warn{color:var(--warn);}
.state--warn::before{background:var(--warn);}

/* 侧栏图文卡 */
.side-stack{display:grid;gap:24px;}
.media-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(22,199,154,.32);}
.media-card:hover h3{color:var(--brand-dark);}
.media-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E9EBF5,#F5F6FB);}
.media-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.media-body{padding:20px;}
.media-body h3{font-size:17px;line-height:26px;font-weight:600;margin-bottom:8px;transition:color .18s ease;}
.media-body p{font-size:14px;line-height:24px;color:var(--text-2);}
.media-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ============ 说明区 ============ */
.notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);display:flex;gap:18px;align-items:flex-start;
}
.note-index{
  flex-shrink:0;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:rgba(22,199,154,.12);color:var(--brand-dark);font-weight:700;font-size:15px;
}
.note-card h3{font-size:17px;line-height:26px;font-weight:600;margin-bottom:6px;}
.note-card p{font-size:14px;line-height:24px;color:var(--text-2);}

/* 状态演示 */
.state-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px;}
.state-box{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);padding:18px 20px;box-shadow:var(--shadow-1);}
.state-box h4{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--text);}
.skeleton{height:12px;border-radius:6px;background:linear-gradient(90deg,#EDEFF6 0%,#F6F7FB 50%,#EDEFF6 100%);margin-bottom:9px;}
.skeleton.short{width:62%;}
.alert{display:flex;gap:10px;align-items:flex-start;background:var(--warn-bg);color:#A63C14;font-size:13px;line-height:22px;border-left:3px solid var(--warn);border-radius:8px;padding:12px 14px;}
.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:26px 16px;color:var(--text-3);font-size:13px;}
.empty-state i{font-size:22px;color:#C6CADA;}

/* ============ CTA 窄条 ============ */
.cta-strip{
  position:relative;overflow:hidden;color:#fff;border-radius:18px;
  background:linear-gradient(120deg,var(--ink-deep) 0%,var(--ink-deep-2) 58%,rgba(14,154,120,.72) 150%);
  padding:44px 48px;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.20) 1px,transparent 1px);
  background-size:32px 32px;opacity:.3;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;}
.cta-inner h2{font-size:28px;line-height:36px;font-weight:700;margin-bottom:12px;}
.cta-inner p{font-size:15px;line-height:26px;color:rgba(255,255,255,.76);}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.field{flex:1;min-width:180px;}
.field label{display:block;font-size:14px;margin-bottom:8px;color:rgba(255,255,255,.78);}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;outline:none;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.44);}
.field input:focus{border-color:var(--brand);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(22,199,154,.22);}
.cta-form .btn{margin-top:30px;}

/* ============ 页脚 ============ */
.site-footer{position:relative;overflow:hidden;background:var(--ink-deep);color:rgba(255,255,255,.72);padding-top:64px;margin-top:80px;}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:30px 30px;opacity:.3;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-grid p{font-size:14px;line-height:24px;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:24px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .split{grid-template-columns:1fr;}
  .side-stack{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .header-search{max-width:240px;}
  .hot-tags{display:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:none;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero h1{font-size:34px;line-height:42px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .header-search,.header-cta{display:none;}
  .menu-toggle{display:grid;margin-left:auto;}
  .nav-row{display:none;}
  .page-hero{padding-bottom:88px;}
  .page-hero h1{font-size:30px;line-height:38px;}
  .page-hero .lede{font-size:15px;line-height:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;line-height:30px;}
  .metrics{margin-top:-48px;}
  .notes{grid-template-columns:1fr;}
  .side-stack{grid-template-columns:1fr;}
  .state-row{grid-template-columns:1fr;}
  .cta-strip{padding:32px 22px;border-radius:16px;}
  .cta-inner h2{font-size:22px;line-height:30px;}
  .data-table thead{display:none;}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%;}
  .data-table tr{border-bottom:1px solid var(--line);padding:14px 18px;}
  .data-table tr:last-child{border-bottom:none;}
  .data-table td{display:flex;justify-content:space-between;gap:14px;padding:6px 0;border:none;text-align:right;}
  .data-table td::before{content:attr(data-label);color:var(--text-3);font-size:13px;font-weight:400;text-align:left;}
  .data-table tbody tr:hover{background:transparent;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-right:none;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:none;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .filter-pills{width:100%;}
  .filter-pills button{flex:1;text-align:center;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{margin-top:0;}
  .panel-head{padding:16px;}
  .panel-body--pad{padding:16px;}
}

/* roulang page: category3 */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --accent:#FF6A3D;
  --accent-dark:#E85A2E;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,46,.06);
  --shadow-2:0 10px 24px rgba(20,16,46,.10);
  --container:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
::selection{background:rgba(22,199,154,.22);}

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

/* ---------- 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;
  border:1px solid transparent;background:transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,61,.28);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,106,61,.25);}
.btn-ghost{border-color:rgba(20,16,46,.28);color:var(--text);}
.btn-ghost:hover{background:rgba(20,16,46,.06);border-color:rgba(20,16,46,.4);color:var(--text);}
.btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-link{height:auto;padding:0;color:var(--brand-dark);font-weight:600;}
.btn-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1;background:rgba(22,199,154,.1);color:var(--brand-dark);font-weight:600;}
.badge-accent{background:rgba(255,106,61,.12);color:var(--accent-dark);}
.tag-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;color:var(--text-2);background:rgba(20,16,46,.05);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.tag-pill:hover{background:rgba(22,199,154,.14);color:var(--brand-dark);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease;}
.site-header.is-stuck{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(20,16,46,.07);}
.header-top-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .2s ease;}
.site-header.is-stuck .header-top-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--ink-deep) 0%,var(--ink-deep-2) 100%);color:var(--brand);font-size:15px;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.header-search{position:relative;flex:1 1 auto;max-width:330px;}
.search-field{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:10px;background:#F2F3F8;border:1px solid transparent;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;}
.search-field:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.14);}
.search-field i{color:var(--text-3);font-size:13px;}
.search-field input{flex:1;border:0;background:transparent;font-size:14px;color:var(--text);outline:none;height:100%;}
.search-field input::placeholder{color:var(--text-3);}
.trend-tags{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:16px;}
.nav-toggle:hover{background:rgba(20,16,46,.04);}
.header-nav-row{border-top:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px;}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--text-2);padding:4px 0;}
.main-nav a:hover{color:var(--text);}
.main-nav a.active{color:var(--text);font-weight:700;}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--brand);border-radius:2px;}
.nav-side-note{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.nav-side-note i{color:var(--brand);}

/* 移动抽屉 */
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:286px;max-width:84vw;background:#fff;z-index:80;transform:translateX(-102%);transition:transform .26s ease;box-shadow:0 12px 40px rgba(20,16,46,.18);padding:20px;overflow-y:auto;}
.mobile-drawer.open{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,46,.42);z-index:70;opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;}
.drawer-mask.open{opacity:1;visibility:visible;}
.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(--text-2);}
.drawer-links li{margin-bottom:4px;}
.drawer-links a{display:block;padding:11px 12px;border-radius:10px;color:var(--text);font-size:15px;font-weight:500;}
.drawer-links a:hover{background:#F2F3F8;}
.drawer-links a.active{background:rgba(22,199,154,.1);color:var(--brand-dark);font-weight:700;}
.drawer-label{font-size:12px;color:var(--text-3);margin:20px 0 10px;letter-spacing:.5px;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-cta{margin-top:22px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);overflow:hidden;white-space:nowrap;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;background:var(--ink-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,16,46,.94) 0%,rgba(20,16,46,.84) 46%,rgba(30,25,64,.72) 100%);}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px),radial-gradient(rgba(255,203,69,.42) 1px,transparent 1px);background-size:180px 180px,240px 240px;background-position:12px 24px,90px 130px;opacity:.32;pointer-events:none;}
.hero-inner{position:relative;z-index:2;padding:74px 0 62px;}
.hero-title{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.5px;margin:18px 0 14px;max-width:820px;}
.hero-title .hl{color:var(--brand);}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:660px;}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:38px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;}
.stat{padding:0 18px;}
.stat:first-child{padding-left:0;}
.stat + .stat{border-left:1px solid rgba(255,255,255,.1);}
.stat-num{font-size:24px;font-weight:700;color:#fff;line-height:1.3;}
.stat-num small{font-size:13px;font-weight:500;color:rgba(255,255,255,.62);margin-left:4px;}
.stat-label{font-size:12px;color:rgba(255,255,255,.6);margin-top:2px;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--brand-dark);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand);border-radius:2px;}
.section-title{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.3px;}
.section-desc{font-size:15px;line-height:1.85;color:var(--text-2);margin-top:12px;max-width:680px;}

/* ---------- 步骤布局 ---------- */
.guide-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start;}
.step-nav{position:sticky;top:104px;align-self:start;}
.step-nav-title{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--text-3);margin-bottom:14px;text-transform:uppercase;}
.step-list{border-left:2px solid var(--line);}
.step-nav-link{display:block;margin-left:-2px;padding:10px 0 10px 18px;border-left:2px solid transparent;font-size:14px;color:var(--text-2);line-height:1.5;}
.step-nav-link:hover{color:var(--text);}
.step-nav-link.active{color:var(--brand-dark);border-left-color:var(--brand);font-weight:700;}
.step-nav-aside{margin-top:26px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.step-nav-aside p{font-size:13px;line-height:1.75;color:var(--text-2);}
.step-nav-aside a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;margin-top:10px;}

.step-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:26px;margin-bottom:20px;scroll-margin-top:130px;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;}
.step-card:hover{border-color:rgba(22,199,154,.4);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step-card:active{transform:translateY(0);}
.step-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.step-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex:0 0 32px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:700;box-shadow:0 6px 14px rgba(22,199,154,.28);}
.step-card h3{font-size:20px;line-height:1.4;font-weight:600;}
.step-card p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:660px;}
.step-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13px;color:var(--text-3);}
.step-meta span{display:inline-flex;align-items:center;gap:6px;}
.step-meta i{color:var(--brand);font-size:12px;}
.step-figure{margin-top:20px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.step-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.step-note{margin-top:18px;padding:14px 16px;border-radius:12px;background:#FAFAFD;border-left:3px solid var(--brand);font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- 清单 ---------- */
.checklist-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;}
.check-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px;}
.check-panel h3{font-size:17px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.check-panel h3 i{color:var(--brand);font-size:15px;}
.check-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);line-height:1.7;}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-item i{color:var(--brand);font-size:13px;margin-top:7px;flex:0 0 auto;}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:52px;padding:14px 20px;background:#fff;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;transition:color .18s ease,background .18s ease;}
.faq-q:hover{background:#FAFAFD;color:var(--brand-dark);}
.faq-q i{transition:transform .2s ease;color:var(--text-3);font-size:14px;flex:0 0 auto;}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;background:#FAFAFD;}
.faq-a-inner{padding:16px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- 频道入口卡 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.channel-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;color:var(--text);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(22,199,154,.3);color:var(--text);}
.channel-card:hover .channel-title{color:var(--brand-dark);}
.channel-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEEF4;}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.channel-card:hover .channel-thumb img{transform:scale(1.04);}
.channel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-title{font-size:17px;font-weight:600;line-height:1.5;transition:color .18s ease;}
.channel-text{font-size:14px;line-height:1.8;color:var(--text-2);}
.channel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}

/* ---------- 转化窄条 ---------- */
.cta-band{background:var(--ink-deep);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.42) 1px,transparent 1px);background-size:150px 150px;opacity:.22;pointer-events:none;}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;padding:56px 0;}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:-.2px;}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);margin-top:12px;max-width:520px;}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);padding:22px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:8px;}
.field input{width:100%;height:44px;padding:0 14px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus{border-color:var(--brand);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(22,199,154,.22);}
.field.error input{border-color:var(--accent);}
.field-error{display:block;font-size:12px;color:#FFB49A;margin-top:6px;}
.cta-form .btn{width:100%;}
.form-hint{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px;line-height:1.7;}
.alert-error{display:flex;gap:10px;align-items:flex-start;background:rgba(255,106,61,.14);border-left:3px solid var(--accent);border-radius:10px;padding:12px 14px;font-size:13px;color:#FFC6B3;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.06);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--brand);}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.66);margin-bottom:10px;}
.footer-contact i{color:var(--brand);font-size:12px;margin-top:5px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .guide-layout{grid-template-columns:200px minmax(0,1fr);gap:32px;}
}
@media (max-width:1024px){
  .header-search{max-width:240px;}
  .trend-tags{display:none;}
  .nav-side-note{display:none;}
  .hero-title{font-size:34px;}
  .guide-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .step-nav{position:static;}
  .step-list{display:flex;gap:8px;border-left:0;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:thin;}
  .step-list li{flex:0 0 auto;}
  .step-nav-link{margin-left:0;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;white-space:nowrap;}
  .step-nav-link.active{border-color:var(--brand);background:rgba(22,199,154,.1);}
  .step-nav-aside{display:none;}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:48px 0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:768px){
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .header-nav-row{display:none;}
  .header-top-inner{height:60px;}
  .hero-inner{padding:48px 0 42px;}
  .hero-title{font-size:30px;line-height:1.3;margin:14px 0 12px;}
  .hero-sub{font-size:15px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0;padding-top:20px;}
  .stat{padding:0 14px;}
  .stat:nth-child(odd){padding-left:0;}
  .stat:nth-child(3){border-left:0;}
  .section{padding:56px 0;}
  .section-title{font-size:22px;line-height:1.4;}
  .checklist-wrap{grid-template-columns:minmax(0,1fr);}
  .channel-grid{grid-template-columns:minmax(0,1fr);}
  .step-card{padding:20px;}
  .step-card h3{font-size:18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;}
  .site-footer p{max-width:none;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .brand-name{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:14px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-link{justify-content:center;}
  .cta-band h2{font-size:22px;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --ink-deep:#14102E;
  --ink-deep-2:#1E1940;
  --brand:#16C79A;
  --brand-dark:#0E9A78;
  --accent:#FF6A3D;
  --star:#FFCB45;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E5E7F0;
  --text:#14162B;
  --text-2:#5B5E78;
  --text-3:#8B8FA8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,46,.06);
  --shadow-2:0 10px 24px rgba(20,16,46,.10);
  --gap:24px;
  --section:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:28px;line-height:36px;}
.section-head .sub{font-size:14px;color:var(--text-2);margin-top:8px;max-width:640px;}
.section-link{font-size:14px;font-weight:600;color:var(--brand);}
.section-link:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 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;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,61,.24);}
.btn-primary:hover{background:#F0571F;color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px rgba(255,106,61,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,106,61,.22);}
.btn-outline{background:transparent;border-color:var(--ink-deep);color:var(--ink-deep);}
.btn-outline:hover{background:rgba(20,16,46,.06);color:var(--ink-deep);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}
.btn-link{height:auto;padding:0;background:none;color:var(--brand);font-weight:600;}
.btn-link:hover{text-decoration:underline;text-underline-offset:3px;color:var(--brand-dark);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 4px 18px rgba(20,16,46,.07);}
.header-top{display:flex;align-items:center;gap:24px;height:64px;transition:height .2s ease;}
.site-header.is-stuck .header-top{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#0E9A78 100%);
  color:#fff;font-size:15px;box-shadow:0 6px 14px rgba(22,199,154,.28);
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink-deep);letter-spacing:-.4px;}
.header-search{flex:1 1 auto;display:flex;justify-content:center;}
.search-box{
  display:flex;align-items:center;gap:8px;width:100%;max-width:360px;
  height:40px;padding:0 6px 0 14px;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(22,199,154,.14);}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:14px;height:100%;}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{
  height:30px;padding:0 14px;border:0;border-radius:8px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-deep);font-size:17px;cursor:pointer;
}
.nav-bar{border-top:1px solid var(--line);}
.nav-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:52px;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:inline-block;padding:0 14px;line-height:52px;font-size:15px;font-weight:600;
  color:var(--text-2);border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.main-nav a:hover{color:var(--ink-deep);}
.main-nav a.active{color:var(--ink-deep);border-bottom-color:var(--brand);}
.hot-links{display:flex;align-items:center;gap:8px;overflow:auto;}
.hot-links span{font-size:12px;color:var(--text-3);white-space:nowrap;}
.hot-links a{
  font-size:12px;padding:4px 10px;border-radius:999px;background:var(--bg);
  color:var(--text-2);border:1px solid var(--line);white-space:nowrap;transition:all .18s ease;
}
.hot-links a:hover{color:var(--brand-dark);border-color:rgba(22,199,154,.4);background:rgba(22,199,154,.08);}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:290px;max-width:86vw;z-index:90;
  background:#fff;border-right:1px solid var(--line);padding:22px;
  transform:translateX(-102%);transition:transform .26s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);box-shadow:var(--shadow-2);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,46,.42);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer .brand-name{font-size:17px;}
.drawer nav{margin:22px 0;}
.drawer nav a{
  display:block;padding:12px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer nav a:hover{background:var(--bg);color:var(--ink-deep);}
.drawer nav a.active{background:rgba(22,199,154,.1);color:var(--brand-dark);}
.drawer .search-box{margin-bottom:16px;max-width:none;}
.drawer .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb .container{display:flex;align-items:center;gap:10px;flex-wrap:wrap;height:52px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--ink-deep);font-weight:600;}

/* ---------- 支持中心首屏 ---------- */
.support-hero{
  background:var(--ink-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;position:relative;overflow:hidden;
}
.support-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,16,46,.96) 0%,rgba(20,16,46,.86) 46%,rgba(30,25,64,.72) 100%);
}
.support-hero .container{position:relative;padding-top:64px;padding-bottom:64px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1px;
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:#B9F5E4;margin-bottom:20px;
}
.hero-eyebrow i{color:var(--star);}
.support-hero h1{font-size:40px;line-height:48px;color:#fff;letter-spacing:-.5px;}
.support-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{margin-top:18px;font-size:16px;line-height:28px;color:rgba(255,255,255,.78);max-width:34em;}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:28px;flex-wrap:wrap;}
.hero-points{display:flex;gap:28px;margin-top:36px;flex-wrap:wrap;}
.hero-points div strong{display:block;font-size:22px;font-weight:700;color:#fff;}
.hero-points div span{font-size:12px;color:rgba(255,255,255,.62);}

/* 搜索卡 */
.help-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:26px;
}
.help-card h2{font-size:20px;line-height:28px;color:#fff;font-weight:600;}
.help-card p{font-size:14px;line-height:22px;color:rgba(255,255,255,.7);margin-top:10px;}
.help-search{display:flex;align-items:center;gap:8px;margin-top:18px;height:48px;padding:0 8px 0 16px;border-radius:var(--radius-btn);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);}
.help-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,154,.18);}
.help-search i{color:rgba(255,255,255,.6);}
.help-search input{flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:14px;height:100%;}
.help-search input::placeholder{color:rgba(255,255,255,.5);}
.help-search button{height:34px;padding:0 18px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:background .18s ease;}
.help-search button:hover{background:#F0571F;}
.help-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.help-tags a{
  font-size:12px;padding:5px 12px;border-radius:999px;color:rgba(255,255,255,.78);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);transition:all .18s ease;
}
.help-tags a:hover{color:#fff;border-color:rgba(22,199,154,.6);background:rgba(22,199,154,.16);}
.help-note{margin-top:18px;font-size:12px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px;}
.help-note i{color:var(--brand);}

/* ---------- 服务指标 ---------- */
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.metric{
  padding:26px 24px;border-right:1px solid var(--line);transition:background .18s ease;
}
.metric:last-child{border-right:0;}
.metric:hover{background:#FAFAFD;}
.metric i{font-size:18px;color:var(--brand);}
.metric strong{display:block;font-size:26px;font-weight:700;margin-top:12px;color:var(--ink-deep);}
.metric span{display:block;font-size:13px;color:var(--text-2);margin-top:6px;}

/* ---------- 分组卡片 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.channel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(22,199,154,.3);}
.channel-card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.channel-card h3{font-size:17px;line-height:26px;font-weight:600;}
.channel-card p{font-size:14px;line-height:23px;color:var(--text-2);}
.channel-card .meta{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:10px;margin-top:auto;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;background:rgba(22,199,154,.1);color:var(--brand-dark);
}
.badge-warn{background:rgba(232,98,44,.1);color:#C24A1C;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start;}
.faq-side{position:sticky;top:130px;}
.faq-side h2{font-size:28px;line-height:36px;}
.faq-side p{font-size:14px;line-height:24px;color:var(--text-2);margin-top:14px;}
.faq-side .side-list{margin-top:22px;border-left:2px solid var(--line);}
.faq-side .side-list a{
  display:block;padding:9px 0 9px 16px;font-size:14px;font-weight:600;color:var(--text-2);
  border-left:2px solid transparent;margin-left:-2px;transition:all .18s ease;
}
.faq-side .side-list a:hover{color:var(--brand-dark);border-left-color:var(--brand);}
.faq-group{margin-bottom:28px;}
.faq-group-title{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.faq-group-title i{color:var(--brand);font-size:16px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .18s ease;
}
.faq-item[open]{border-color:rgba(22,199,154,.34);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--ink-deep);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item summary .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--bg);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:12px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] summary .arrow{transform:rotate(180deg);background:rgba(22,199,154,.12);color:var(--brand-dark);}
.faq-body{padding:16px 20px;background:#FAFAFD;font-size:15px;line-height:27px;color:var(--text-2);border-top:1px solid var(--line);}
.faq-body p+p{margin-top:10px;}
.faq-empty{
  text-align:center;padding:44px 20px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-card);color:var(--text-3);
}
.faq-empty i{font-size:26px;color:var(--brand);display:block;margin-bottom:12px;}
.notice-bar{
  display:flex;align-items:flex-start;gap:12px;background:#FFF3EC;color:#A8410F;
  border-left:3px solid var(--accent);border-radius:10px;padding:14px 18px;font-size:14px;line-height:23px;
  margin-bottom:26px;
}
.notice-bar i{margin-top:3px;}

/* ---------- 联系我们卡 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:var(--gap);}
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.contact-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.contact-card .ico{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(22,199,154,.12);color:var(--brand-dark);font-size:18px;margin-bottom:16px;
}
.contact-card h3{font-size:17px;line-height:26px;font-weight:600;}
.contact-card p{font-size:14px;line-height:24px;color:var(--text-2);margin-top:10px;}
.contact-visual{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);grid-column:span 1;}
.contact-visual img{width:100%;height:100%;min-height:220px;object-fit:cover;border-radius:0;}
.contact-list{margin-top:16px;font-size:14px;color:var(--text-2);}
.contact-list li{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line);}
.contact-list li:last-child{border-bottom:0;}
.contact-list i{color:var(--brand);width:16px;margin-top:4px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-deep) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,16,46,.96) 0%,rgba(20,16,46,.82) 58%,rgba(30,25,64,.7) 100%);
}
.cta-band .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:44px;padding-bottom:44px;flex-wrap:wrap;}
.cta-band h2{font-size:26px;line-height:34px;color:#fff;}
.cta-band p{font-size:14px;line-height:23px;color:rgba(255,255,255,.72);margin-top:10px;max-width:42em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:24px;color:rgba(255,255,255,.62);max-width:30em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:24px;}
.footer-contact i{color:var(--brand);margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);font-size:13px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .faq-layout{grid-template-columns:230px 1fr;gap:32px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .support-hero h1{font-size:34px;line-height:42px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;}
  .faq-side{position:static;}
  .faq-side .side-list{display:flex;gap:16px;border-left:0;border-bottom:1px solid var(--line);overflow:auto;}
  .faq-side .side-list a{border-left:0;border-bottom:2px solid transparent;padding:8px 0;white-space:nowrap;}
  .faq-side .side-list a:hover{border-left:0;border-bottom-color:var(--brand);}
  .contact-grid{grid-template-columns:1fr 1fr;}
  .contact-visual{grid-column:span 2;min-height:200px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--section:56px;}
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-bar{display:none;}
  .header-top{height:58px;}
  .support-hero h1{font-size:28px;line-height:36px;}
  .support-hero .container{padding-top:46px;padding-bottom:46px;}
  .section-head h2{font-size:22px;line-height:30px;}
  .channel-grid{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .contact-grid{grid-template-columns:1fr;}
  .contact-visual{grid-column:span 1;}
  .cta-band h2{font-size:22px;line-height:30px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-points{gap:20px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .hero-actions,.cta-actions{width:100%;}
  .faq-item summary{font-size:15px;padding:13px 16px;}
  .faq-body{padding:14px 16px;}
  .help-card{padding:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}