/* roulang page: index */
:root{
  --primary:#0FA98F;
  --primary-dark:#0B8C76;
  --accent:#FF6A3D;
  --gold:#FFD166;
  --ink:#12171C;
  --body:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(18,23,28,.06);
  --shadow-2:0 14px 30px -14px rgba(18,23,28,.18);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.35;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(15,169,143,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:88px;padding-bottom:88px;}
.section-tight{padding-top:64px;padding-bottom:64px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:34px;letter-spacing:-.5px;}
.sec-head .sec-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.08em;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--ink);color:#C9D1D8;font-size:13px;}
.topbar.is-closed{display:none;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar p{display:flex;align-items:center;gap:8px;}
.topbar p i{color:var(--gold);}
.topbar-links{display:flex;align-items:center;gap:14px;}
.topbar-links a{color:#C9D1D8;transition:color .2s;}
.topbar-links a:hover{color:var(--primary);}
.topbar-close{background:none;border:0;color:#8B959D;cursor:pointer;padding:4px 6px;border-radius:6px;transition:color .2s;}
.topbar-close:hover{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s;}
.site-header.is-stuck{box-shadow:0 6px 24px -14px rgba(18,23,28,.28);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.4px;white-space:nowrap;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800;flex:none;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--body);border-radius:8px;transition:color .2s,background .2s;}
.main-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s;}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--primary);}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s;}
.mega-trigger:hover{border-color:rgba(15,169,143,.5);background:rgba(15,169,143,.06);color:var(--primary);}
.mega-trigger i{font-size:11px;transition:transform .2s;}
.mega-wrap:hover .mega-trigger i,
.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:680px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px -24px rgba(18,23,28,.32);
  padding:24px;display:grid;grid-template-columns:1.1fr 1fr 200px;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--muted);margin-bottom:14px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;}
.mega-links a{font-size:14px;color:var(--body);padding:5px 0;border-radius:6px;transition:color .2s,transform .2s;display:inline-block;}
.mega-links a:hover{color:var(--primary);transform:translateX(2px);}
.mega-recent li{border-bottom:1px dashed var(--line);}
.mega-recent li:last-child{border-bottom:0;}
.mega-recent a{display:block;padding:9px 0;transition:color .2s;}
.mega-recent a:hover .mega-recent-t{color:var(--primary);}
.mega-recent-t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:block;transition:color .2s;}
.mega-recent-d{font-size:12px;color:var(--muted);}
.mega-card{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#FCFBF9;transition:.2s;}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.3);}
.mega-card img{width:100%;height:88px;object-fit:cover;}
.mega-card-body{padding:10px 12px 12px;font-size:13px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:8px;}
.mega-card-body span{width:22px;height:22px;border-radius:50%;background:rgba(15,169,143,.12);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:11px;flex:none;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--ink);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;font-size:15px;font-weight:600;color:var(--body);border-bottom:1px solid #F1EEE9;}
.mobile-drawer a.active{color:var(--primary);}
.mobile-drawer a i{color:var(--muted);font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;}
.btn-primary{background:linear-gradient(135deg,#12B79A,var(--primary-dark));color:#fff;box-shadow:0 6px 16px -8px rgba(15,169,143,.7);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(15,169,143,.75);filter:brightness(.94);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -8px rgba(15,169,143,.6);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:rgba(15,169,143,.08);border-color:rgba(15,169,143,.4);color:var(--primary);}
.btn-accent{background:linear-gradient(135deg,#FF8055,var(--accent));color:#fff;box-shadow:0 6px 16px -8px rgba(255,106,61,.7);}
.btn-accent:hover{transform:translateY(-1px);filter:brightness(.95);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--primary);transition:gap .2s;}
.link-arrow:hover{gap:10px;text-decoration:underline;text-underline-offset:3px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:
  radial-gradient(900px 420px at 88% -10%, rgba(15,169,143,.14), transparent 70%),
  linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(18,23,28,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,23,28,.035) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;padding-top:76px;padding-bottom:88px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(255,209,102,.22);border:1px solid rgba(255,209,102,.6);color:#9A6A00;font-size:13px;font-weight:700;margin-bottom:22px;}
.hero h1{font-size:46px;line-height:1.24;letter-spacing:-1px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.9;color:var(--body);max-width:560px;}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-chips li{font-size:13px;font-weight:600;color:var(--body);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;box-shadow:var(--shadow-1);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:430px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-2);}
.hero-visual::before{content:"";position:absolute;left:-14px;top:-14px;width:110px;height:110px;border-radius:20px;background:rgba(15,169,143,.16);z-index:-1;}
.hero-badge{position:absolute;left:-18px;bottom:34px;display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:12px 18px;box-shadow:0 18px 36px -18px rgba(18,23,28,.4);border:1px solid var(--line);}
.hero-badge i{width:34px;height:34px;border-radius:10px;background:rgba(15,169,143,.12);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;}
.hero-badge strong{display:block;font-size:14px;color:var(--ink);font-weight:800;line-height:1.3;}
.hero-badge span{font-size:12px;color:var(--muted);}

/* ---------- 不对称内容区 ---------- */
.split-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32);}
.feature-card img{width:100%;height:272px;object-fit:cover;}
.feature-body{padding:26px 28px 30px;}
.feature-body h3{font-size:22px;margin-bottom:12px;}
.feature-body p{font-size:15px;color:var(--body);}
.feature-body .link-arrow{margin-top:18px;}
.side-stack{display:flex;flex-direction:column;gap:24px;}
.side-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 24px 24px 28px;box-shadow:var(--shadow-1);flex:1;transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden;}
.side-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;background:var(--primary);border-radius:2px;}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32);}
.side-card h3{font-size:18px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--muted);}
.side-card .link-arrow{margin-top:14px;font-size:14px;}

/* ---------- 深色数据带 ---------- */
.stats{background:var(--ink);color:#fff;padding:64px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:6px 28px;border-left:1px solid rgba(255,255,255,.1);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:34px;font-weight:800;color:var(--primary);letter-spacing:-.5px;line-height:1.2;}
.stat-label{font-size:14px;color:#B9C0C7;margin-top:8px;}

/* ---------- 专题大图卡 ---------- */
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.topic-card{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);}
.topic-card img{width:100%;height:320px;object-fit:cover;transition:transform .24s ease;}
.topic-card:hover img{transform:scale(1.03);}
.topic-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,23,28,0) 32%,rgba(18,23,28,.88) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:28px;}
.topic-mask span{display:inline-flex;align-self:flex-start;font-size:12px;font-weight:700;color:#fff;background:rgba(255,106,61,.92);border-radius:999px;padding:4px 12px;margin-bottom:14px;}
.topic-mask h3{color:#fff;font-size:22px;margin-bottom:8px;}
.topic-mask p{color:#D3DAE0;font-size:14px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32);}
.step-num{font-size:40px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--gold);line-height:1;letter-spacing:1px;}
.step h3{font-size:19px;margin:16px 0 10px;}
.step p{font-size:14px;color:var(--muted);}

/* ---------- 最新信息 ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;display:block;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32);}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(15,169,143,.1);color:var(--primarydark);}
.post-card h3{font-size:18px;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid #F1EEE9;font-size:13px;color:var(--muted);}
.post-meta i{color:var(--primary);}
.empty-state{border:1px dashed #D8D4CD;border-radius:var(--radius-card);background:#FCFBF9;padding:56px 24px;text-align:center;}
.empty-state i{font-size:26px;color:var(--gold);}
.empty-state p{margin:14px 0 20px;color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item:hover{border-color:rgba(15,169,143,.35);box-shadow:var(--shadow-1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 24px;font-size:16px;font-weight:700;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--muted);transition:transform .2s,color .2s;flex:none;}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--primary);}
.faq-body{padding:0 24px 20px;font-size:15px;color:var(--body);border-top:1px solid #F1EEE9;padding-top:16px;background:#FBFAF8;}

/* ---------- 联系 ---------- */
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.contact-info li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);}
.contact-info li:last-child{border-bottom:0;}
.contact-info i{width:38px;height:38px;flex:none;border-radius:10px;background:rgba(15,169,143,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;}
.contact-info strong{display:block;font-size:14px;color:var(--ink);}
.contact-info span{font-size:14px;color:var(--muted);}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#FCFBF9;padding:0 14px;height:46px;font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s;}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,169,143,.16);}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;}

/* ---------- CTA 带 ---------- */
.cta-band{background:linear-gradient(135deg,#12171C 0%,#1B242C 100%);border-radius:20px;padding:48px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:30px;letter-spacing:-.5px;}
.cta-band p{color:#B9C0C7;font-size:15px;margin-top:12px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C0C7;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 48px;}
.footer-brand .logo{color:#fff;}
.footer-brand p{font-size:14px;margin-top:18px;line-height:1.9;color:#9AA4AD;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .2s;}
.footer-col a:hover{color:var(--primary);}
.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:#8B959D;}
.footer-bottom a{color:#8B959D;}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .menu-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding-top:52px;padding-bottom:64px;}
  .hero h1{font-size:34px;}
  .hero-visual img{height:320px;}
  .hero-visual::before{display:none;}
  .hero-badge{left:12px;bottom:16px;}
  .split-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat{border-left:0;padding:0;}
  .topic-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .contact-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px;}
  .section{padding-top:64px;padding-bottom:64px;}
  .sec-head h2{font-size:28px;}
  .cta-band{padding:36px 28px;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px;}
  .topbar-inner{font-size:12px;}
  .topbar p span.hide-sm{display:none;}
  .hero h1{font-size:30px;letter-spacing:-.5px;}
  .hero-sub{font-size:16px;}
  .hero-visual img{height:240px;}
  .hero-actions .btn{width:100%;}
  .hero-chips li{font-size:12px;padding:6px 12px;}
  .posts-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .feature-body{padding:20px;}
  .sec-head h2{font-size:24px;}
  .stat-num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:flex-start;}
  .cta-band h2{font-size:21px;}
}

/* roulang page: article */
:root{
  --primary:#0FA98F;
  --primary-d:#0C8C76;
  --accent:#FF6A3D;
  --yellow:#FFD166;
  --ink:#12171C;
  --body:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --soft:#FBFAF8;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,23,28,.06);
  --sh-2:0 14px 30px -14px rgba(18,23,28,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid rgba(15,169,143,.45);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:rgba(15,169,143,.18)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:68px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px;
  white-space:nowrap;
}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#fff;font-size:16px;font-weight:800;
}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;color:var(--body);
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.main-nav a:hover{color:var(--primary);background:rgba(15,169,143,.06)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#fff;font-size:14px;font-weight:600;
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease;
}
.mega-trigger:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-2)}
.mega-trigger i{font-size:11px;transition:transform .18s ease}
.mega-wrap.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;
  width:680px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;margin-bottom:10px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}
.mega-links a{font-size:14px;color:var(--body);padding:5px 0;transition:color .16s ease,padding-left .16s ease}
.mega-links a:hover{color:var(--primary);padding-left:4px}
.mega-recent li+li{margin-top:10px}
.mega-recent a{display:block;padding:6px 0}
.mega-recent-t{display:block;font-size:14px;color:var(--ink);line-height:1.5;transition:color .16s ease}
.mega-recent a:hover .mega-recent-t{color:var(--primary)}
.mega-recent-d{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,169,143,.35)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card-body{padding:12px 14px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.mega-card-body span{font-size:14px;font-weight:600;color:var(--ink)}
.mega-card-body i{font-size:12px;color:var(--primary)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--muted);transition:color .16s ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C9C4BB}
.crumb .cur{color:var(--primary);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-hero{
  background:
    linear-gradient(180deg,rgba(255,255,255,.94),rgba(247,245,241,.96)),
    url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero-inner{padding:44px 0 40px;max-width:860px}
.badge-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(15,169,143,.1);color:var(--primary-d);
}
.badge.accent{background:rgba(255,106,61,.12);color:#D9523C}
.badge.yellow{background:rgba(255,209,102,.28);color:#8A6A12}
.article-hero h1{
  font-size:46px;line-height:1.28;font-weight:800;color:var(--ink);
  letter-spacing:-.5px;margin-bottom:18px;
}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.rule-line{width:60px;height:3px;border-radius:3px;background:var(--primary);margin-top:22px}

/* ---------- layout ---------- */
.page-main{padding:56px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.reading{max-width:780px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
}
.reading.panel{padding:36px 40px 40px}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--body);word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:1.2em 0}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2em 0 .6em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);margin:1.6em 0 .5em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.4em 0 .4em}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(15,169,143,.35);transition:border-color .16s ease,color .16s ease}
.article-body a:hover{color:var(--primary-d);border-color:var(--primary-d)}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;line-height:1.9}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--primary);border-radius:0 var(--r-img) var(--r-img) 0;
  background:var(--soft);color:#4B545C;
}
.article-body blockquote p{margin:.4em 0}
.article-body code{
  background:#F1EEE9;border-radius:6px;padding:2px 6px;font-size:14px;color:#9A3F22;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--ink);color:#E7EDF1;border-radius:var(--r-img);
  padding:18px 20px;overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--soft);color:var(--ink);font-weight:600}
.article-body strong{color:var(--ink)}

.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed #D8D3CB;border-radius:var(--r-card);
  background:var(--soft);
}
.empty-state i{font-size:30px;color:var(--primary);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;color:var(--ink);font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc-list li+li{margin-top:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--body);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:all .16s ease;
}
.toc-list a:hover{background:rgba(15,169,143,.07);color:var(--primary);border-left-color:var(--primary)}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--body);line-height:1.75}
.point-list li+li{margin-top:10px}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);
}
.side-cta{
  background:var(--ink);border-radius:var(--r-card);padding:24px;color:#fff;border:1px solid rgba(255,255,255,.08);
}
.side-cta h4{font-size:17px;font-weight:700;margin-bottom:10px;color:#fff}
.side-cta p{font-size:13px;color:#B9C0C7;line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%;justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{background:rgba(15,169,143,.08);border-color:rgba(15,169,143,.4);color:var(--primary-d)}
.btn-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.btn-link i{transition:transform .18s ease}
.btn-link:hover i{transform:translateX(3px)}

/* ---------- tags & divider ---------- */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .label{font-size:14px;color:var(--muted);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--body);
  transition:all .16s ease;
}
.tag:hover{border-color:rgba(15,169,143,.5);color:var(--primary);background:rgba(15,169,143,.05)}

/* ---------- related ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  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;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,169,143,.32)}
.post-card figure{margin:0;overflow:hidden}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s ease}
.post-card:hover img{transform:scale(1.03)}
.post-card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card-body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover h3{color:var(--primary-d)}
.post-card-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:auto;padding-top:6px}
.post-meta i{color:var(--primary);transition:transform .18s ease}
.post-card:hover .post-meta i{transform:translateX(3px)}

.back-row{margin-top:36px}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:64px;border-radius:20px;overflow:hidden;position:relative;
  background:linear-gradient(135deg,#12171C,#1C242C);
  color:#fff;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,143,.35),transparent 65%);
}
.cta-band h2{font-size:26px;font-weight:800;margin-bottom:10px;position:relative}
.cta-band p{font-size:15px;color:#B9C0C7;max-width:620px;position:relative}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9C0C7;margin-top:0;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9C0C7;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8D959C}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .main-nav{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .main-nav::-webkit-scrollbar{display:none}
  .mega-wrap{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-stack{position:static}
  .article-hero h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-inner{gap:16px;height:62px}
  .logo{font-size:17px}
  .article-hero-inner{padding:32px 0 30px}
  .article-hero h1{font-size:28px;margin-bottom:14px}
  .page-main{padding:36px 0 64px}
  .reading.panel{padding:26px 20px 30px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;margin-top:48px}
  .cta-band h2{font-size:22px}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
  .section-head h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-meta{gap:12px;font-size:13px}
  .crumb .cur{max-width:100%;white-space:normal}
}

/* roulang page: category1 */
:root{
  --brand:#0FA98F;
  --brand-2:#0B8C76;
  --brand-soft:rgba(15,169,143,.08);
  --accent:#FF6A3D;
  --gold:#FFD166;
  --ink:#12171C;
  --text:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --soft:#FBFAF8;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(18,23,28,.06);
  --shadow-2:0 14px 30px -14px rgba(18,23,28,.18);
  --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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(15,169,143,.45);outline-offset:2px}
::selection{background:rgba(15,169,143,.2)}

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

/* ============ 顶部工具条 ============ */
.topbar{background:var(--ink);color:#B9C0C7;font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-l{display:flex;align-items:center;gap:8px}
.topbar-l i{color:var(--brand)}
.topbar-r{display:flex;align-items:center;gap:18px}
.topbar-r a{color:#B9C0C7;transition:color .2s}
.topbar-r a:hover{color:var(--brand)}

/* ============ 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;
}
.site-header.scrolled{box-shadow:0 6px 20px -12px rgba(18,23,28,.22)}
.nav-inner{display:flex;align-items:center;height:68px;gap:8px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:16px;font-weight:800;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:24px}
.main-nav a{
  position:relative;padding:9px 12px;border-radius:8px;font-size:15px;color:var(--text);
  transition:color .2s,background-color .2s;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.main-nav a.active::after{transform:scaleX(1)}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);font-size:14px;color:var(--ink);
  cursor:pointer;transition:border-color .2s,color .2s,background-color .2s;
}
.mega-trigger i{font-size:11px;color:var(--muted);transition:transform .2s}
.mega-trigger:hover{border-color:rgba(15,169,143,.5);color:var(--brand);background:var(--brand-soft)}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:680px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:0 28px 60px -24px rgba(18,23,28,.35);
  padding:24px;display:grid;grid-template-columns:1fr 1fr 190px;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:1.5px;margin-bottom:12px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px}
.mega-links a{font-size:14px;color:var(--text);padding:4px 0;transition:color .2s}
.mega-links a:hover{color:var(--brand)}
.mega-recent li{border-bottom:1px dashed var(--line);padding:9px 0}
.mega-recent li:last-child{border-bottom:0}
.mega-recent a{display:block}
.mega-recent-t{display:block;font-size:13.5px;color:var(--ink);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mega-recent a:hover .mega-recent-t{color:var(--brand)}
.mega-recent-d{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.mega-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--soft);transition:border-color .2s,transform .2s}
.mega-card:hover{border-color:rgba(15,169,143,.45);transform:translateY(-3px)}
.mega-card img{width:100%;height:86px;object-fit:cover}
.mega-card span{display:block;font-size:13px;color:var(--ink);padding:8px 10px;line-height:1.5}
.mega-card em{display:block;font-size:12px;color:var(--brand);padding:0 10px 10px;font-style:normal}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:14px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:#C9C4BC}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}

/* ============ Hero 横幅 ============ */
.hero-banner{margin-top:20px}
.hero-inner{
  position:relative;height:260px;border-radius:20px;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  display:flex;align-items:center;box-shadow:var(--shadow-1);
}
.hero-inner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,23,28,.90) 0%,rgba(18,23,28,.66) 58%,rgba(18,23,28,.34) 100%);
}
.hero-text{position:relative;padding:0 48px;max-width:760px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.5px;
  color:var(--gold);margin-bottom:12px;
}
.hero-text h1{
  font-size:40px;line-height:1.25;font-weight:800;color:#fff;letter-spacing:.3px;
}
.hero-text p{margin-top:14px;font-size:16.5px;color:rgba(255,255,255,.83);max-width:620px}
.hero-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  font-size:12px;padding:5px 12px;border-radius:999px;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:34px;line-height:1.35;font-weight:800;color:var(--ink);letter-spacing:.2px}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted)}
.section-head .rule{width:56px;height:3px;border-radius:3px;background:var(--brand);margin-bottom:18px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-2);
}
.tag-accent{background:rgba(255,106,61,.12);color:#D9523C}
.tag-gold{background:rgba(255,209,102,.28);color:#8A6413}

/* ============ 概览三行摘要卡 ============ */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ov-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px 26px;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.ov-card::before{content:"";position:absolute;left:0;top:22px;width:3px;height:34px;border-radius:0 3px 3px 0;background:var(--brand)}
.ov-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32)}
.ov-num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:2px}
.ov-card h3{margin-top:12px;font-size:19px;font-weight:700;color:var(--ink)}
.ov-card p{margin-top:10px;font-size:15px;color:var(--text);line-height:1.85}

/* ============ 编号章节列表 ============ */
.chapter-list{border-top:1px solid var(--line)}
.chapter-list li{
  display:grid;grid-template-columns:72px 1fr 40px;align-items:center;gap:20px;
  padding:26px 20px;border-bottom:1px solid var(--line);transition:background-color .2s,padding-left .2s;
}
.chapter-list li:hover{background:#fff;padding-left:26px}
.chapter-num{font-size:30px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--gold);letter-spacing:1px}
.chapter-list li:hover .chapter-num{color:var(--brand);-webkit-text-stroke:1.5px var(--brand)}
.chapter-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.chapter-top h3{font-size:18px;font-weight:700;color:var(--ink)}
.chapter-body p{margin-top:8px;font-size:15px;color:var(--muted)}
.chapter-arrow{color:#C9C4BC;font-size:14px;text-align:right;transition:color .2s,transform .2s}
.chapter-list li:hover .chapter-arrow{color:var(--brand);transform:translateX(4px)}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.split-media img{width:100%;height:360px;object-fit:cover;transition:transform .24s}
.split-media:hover img{transform:scale(1.03)}
.badge-float{
  position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.94);border-radius:12px;
  padding:10px 16px;font-size:13px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:8px;
}
.badge-float i{color:var(--brand)}
.split-body h2{font-size:32px;font-weight:800;color:var(--ink);line-height:1.35}
.split-body .rule{width:56px;height:3px;border-radius:3px;background:var(--brand);margin:18px 0 22px}
.split-body p{font-size:16px;color:var(--text);margin-bottom:16px}
.progress-item{margin-top:18px}
.progress-top{display:flex;justify-content:space-between;font-size:14px;color:var(--ink);font-weight:600}
.progress-top span:last-child{color:var(--brand)}
.progress-track{margin-top:8px;height:8px;border-radius:999px;background:#EDEAE4;overflow:hidden}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}

/* ============ 看点网格 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.view-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;display:block;
}
.view-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.32)}
.view-card .thumb{position:relative;overflow:hidden}
.view-card .thumb img{width:100%;height:150px;object-fit:cover;transition:transform .24s}
.view-card:hover .thumb img{transform:scale(1.04)}
.view-card .thumb .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--ink)}
.view-body{padding:18px 18px 20px}
.view-body h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.view-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.view-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.view-meta i{color:var(--brand)}

/* ============ 阅读场景行 ============ */
.scene-list{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-1)}
.scene-row{
  display:grid;grid-template-columns:200px 1fr;gap:24px;padding:24px 28px;border-bottom:1px solid var(--line);
  transition:background-color .2s;
}
.scene-row:last-child{border-bottom:0}
.scene-row:hover{background:var(--soft)}
.scene-row h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.scene-row h3 i{color:var(--brand);font-size:15px}
.scene-row p{font-size:15px;color:var(--text)}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap details{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  transition:border-color .2s,box-shadow .2s;
}
.faq-wrap details[open]{border-color:rgba(15,169,143,.38);box-shadow:var(--shadow-1)}
.faq-wrap summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap summary .chev{color:var(--muted);font-size:12px;transition:transform .2s,color .2s}
.faq-wrap details[open] summary{color:var(--brand)}
.faq-wrap details[open] summary .chev{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:2px 22px 20px;font-size:15.5px;color:var(--text);border-top:1px solid var(--line);background:var(--soft);border-radius:0 0 14px 14px;padding-top:16px}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);border-radius:20px;padding:48px 52px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,143,.38),transparent 70%);
}
.cta-text{position:relative;max-width:620px}
.cta-text h2{font-size:27px;font-weight:800;color:#fff;line-height:1.4}
.cta-text p{margin-top:12px;font-size:15.5px;color:#B9C0C7}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  border-radius:var(--r-btn);font-size:15px;font-weight:700;padding:13px 26px;
  transition:transform .2s,box-shadow .2s,background-color .2s,color .2s,border-color .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-1);
  position:relative;z-index:1;
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(15,169,143,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid rgba(15,169,143,.45)}
.btn-outline:hover{background:var(--brand-soft)}
.text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .2s}
.text-link:hover i{transform:translateX(3px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9C0C7;margin-top:88px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#9AA3AB;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.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:#8A939B;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 20px}
  .main-nav{
    position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    margin:0;padding:10px 16px 18px;gap:2px;border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(18,23,28,.3);display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 12px;font-size:15.5px}
  .main-nav a::after{display:none}
  .nav-toggle{display:inline-flex}
  .mega-wrap{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .split-media img{height:280px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .overview-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .section-head h2,.split-body h2{font-size:26px}
  .hero-inner{height:auto;padding:44px 0}
  .hero-text{padding:0 30px}
  .hero-text h1{font-size:30px}
  .cta-band{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  .topbar{font-size:12px}
  .topbar-l{display:none}
  .topbar .container{justify-content:flex-end}
  .hero-text{padding:0 22px}
  .hero-text h1{font-size:25px}
  .hero-text p{font-size:15px}
  .hero-tags span{font-size:11.5px}
  .chapter-list li{grid-template-columns:52px 1fr;gap:14px;padding:20px 8px}
  .chapter-arrow{display:none}
  .chapter-num{font-size:24px}
  .grid-4{grid-template-columns:1fr}
  .scene-row{grid-template-columns:1fr;gap:8px;padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:52px 0}
  .section-head h2,.split-body h2{font-size:23px}
  .cta-text h2{font-size:21px}
  .btn{width:100%}
  .text-link{width:auto}
}

/* roulang page: category3 */
:root{
  --primary:#0FA98F;
  --primary-deep:#0C8F79;
  --accent:#FF6A3D;
  --point:#FFD166;
  --ink:#12171C;
  --text:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(18,23,28,.06);
  --shadow-2:0 14px 30px -14px rgba(18,23,28,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(15,169,143,.45);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,23,28,.02);
}
.nav-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.01em;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:17px;
  font-weight:800;
  box-shadow:0 8px 18px -10px rgba(15,169,143,.85);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  min-width:0;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.main-nav a:hover{color:var(--primary);background:rgba(15,169,143,.08)}
.main-nav a.active{color:var(--primary);font-weight:700}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.mega-trigger:hover{border-color:rgba(15,169,143,.45);color:var(--primary);background:rgba(15,169,143,.05)}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:680px;
  display:grid;
  grid-template-columns:1.15fr 1.15fr .9fr;
  gap:24px;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 26px 50px -22px rgba(18,23,28,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s ease;
  z-index:95;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--muted);
  margin-bottom:12px;
  text-transform:uppercase;
}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.mega-links a{
  font-size:14.5px;
  color:var(--text);
  padding:4px 0;
  transition:color .2s ease,transform .2s ease;
}
.mega-links a:hover{color:var(--primary);transform:translateX(2px)}
.mega-recent li + li{margin-top:12px}
.mega-recent a{display:block;padding:6px 0;transition:color .2s ease}
.mega-recent a:hover .mega-recent-t{color:var(--primary)}
.mega-recent-t{display:block;font-size:14.5px;color:var(--ink);line-height:1.6;font-weight:600}
.mega-recent-d{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.mega-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#FBFAF8;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.mega-card:hover{border-color:rgba(15,169,143,.45);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.mega-card span{font-size:14.5px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.nav-toggle{position:absolute;width:0;height:0;opacity:0;pointer-events:none}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  font-size:17px;
  margin-left:auto;
  transition:border-color .2s ease,color .2s ease;
}
.nav-burger:hover{border-color:rgba(15,169,143,.45);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  box-shadow:0 12px 24px -14px rgba(15,169,143,.85);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(15,169,143,.9)}
.btn-primary:active{transform:translateY(0);filter:brightness(.9)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{background:rgba(15,169,143,.08);border-color:rgba(15,169,143,.42);color:var(--primary)}
.btn-light{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid transparent;
  transition:transform .2s ease,border-color .2s ease;
}
.btn-text:hover{transform:translateX(2px);border-color:rgba(15,169,143,.55)}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;
  padding:44px 0 84px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(18,23,28,.86),rgba(18,23,28,.72) 55%,rgba(18,23,28,.84));
}
.cat-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:38px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.68);transition:color .2s ease}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.crumb span.current{color:var(--point);font-weight:600}
.cat-hero-inner{max-width:900px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,209,102,.16);
  border:1px solid rgba(255,209,102,.4);
  color:var(--point);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:22px;
}
.cat-hero h1{
  font-size:46px;
  line-height:1.28;
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
  max-width:720px;
  margin:0 auto 32px;
}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.hero-tags{
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:32px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;
  color:rgba(255,255,255,.88);
}
.tag i{color:var(--point);font-size:11px}

/* ---------- 通用板块头 ---------- */
.section{padding:88px 0 0}
.section.last{padding-bottom:0}
.sec-head{max-width:760px;margin:0 auto 54px;text-align:center}
.sec-kicker{
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--primary);
  margin-bottom:12px;
}
.sec-title{
  font-size:34px;
  line-height:1.35;
  font-weight:800;
  color:var(--ink);
  margin-bottom:14px;
}
.sec-desc{font-size:16px;line-height:1.9;color:var(--muted)}

/* ---------- 交错图文 ---------- */
.zigzag{padding:88px 0 0}
.zig{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  margin-bottom:88px;
}
.zig:last-child{margin-bottom:0}
.zig.reverse .zig-media{order:2}
.zig-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
}
.zig-line{
  display:block;
  width:56px;
  height:3px;
  border-radius:2px;
  background:var(--primary);
  margin-bottom:20px;
}
.zig-body h3{
  font-size:28px;
  line-height:1.4;
  font-weight:800;
  color:var(--ink);
  margin-bottom:16px;
}
.zig-body p{font-size:16.5px;line-height:1.9;color:var(--text)}
.zig-list{display:grid;gap:10px;margin-top:18px}
.zig-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--text);
}
.zig-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
}
.zig-note{
  margin-top:20px;
  padding:14px 18px;
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  background:rgba(15,169,143,.07);
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}

/* ---------- 看点卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,169,143,.35)}
.pcard img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pcard-body{padding:18px 18px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-block;
  align-self:flex-start;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#8A6412;
  background:rgba(255,209,102,.3);
}
.pcard h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.pcard p{font-size:14.5px;line-height:1.8;color:var(--muted);flex:1}

/* ---------- 深色数据带 ---------- */
.stats-band{
  margin-top:88px;
  background:var(--ink);
  padding:64px 0;
  color:#fff;
}
.stats-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.stats-head h2{font-size:26px;font-weight:800;color:#fff;line-height:1.4}
.stats-head p{font-size:15px;color:#B9C0C7}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:6px 28px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{
  font-size:34px;
  font-weight:800;
  line-height:1.2;
  color:var(--primary);
  letter-spacing:.01em;
}
.stat-label{font-size:14px;color:#B9C0C7;margin-top:8px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item[open]{border-color:rgba(15,169,143,.35);box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 20px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:rgba(15,169,143,.1);
  color:var(--primary);
  font-size:16px;
  font-weight:700;
  line-height:1;
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--primary)}
.faq-a{
  padding:16px 20px 20px;
  border-top:1px solid var(--line);
  background:#FBFAF8;
  font-size:15.5px;
  line-height:1.9;
  color:var(--text);
}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  margin-top:96px;
  background:linear-gradient(135deg,#12171C 0%,#1D2731 100%);
  color:#fff;
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-text{max-width:600px}
.cta-text h2{font-size:28px;font-weight:800;line-height:1.4;color:#fff;margin-bottom:12px}
.cta-text p{font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.76)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C0C7;padding:72px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#B9C0C7;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8D959D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1140px){
  .main-nav a{padding:9px 9px;font-size:14.5px}
}
@media (max-width:1023px){
  .nav-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px}
  .nav-burger{display:inline-flex}
  .main-nav{
    order:5;
    flex-basis:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding-top:10px;
    border-top:1px solid var(--line);
    margin-top:6px;
  }
  .main-nav a{padding:12px 6px;font-size:15.5px}
  .main-nav a.active::after{left:6px;right:auto;width:24px;bottom:6px}
  .nav-right{order:6;flex-basis:100%;display:none;margin-top:8px}
  .nav-toggle:checked ~ .main-nav{display:flex}
  .nav-toggle:checked ~ .nav-right{display:flex}
  .mega-wrap{width:100%}
  .mega-trigger{width:100%;justify-content:space-between}
  .mega-panel{
    position:static;
    width:100%;
    grid-template-columns:1fr;
    gap:20px;
    margin-top:12px;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:var(--shadow-1);
    padding:20px;
  }
  .mega-links{grid-template-columns:1fr 1fr}
  .zig{gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero h1{font-size:36px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section,.zigzag{padding-top:64px}
  .zigzag{padding-bottom:0}
  .zig{grid-template-columns:1fr;gap:24px;margin-bottom:64px}
  .zig.reverse .zig-media{order:0}
  .zig-media img{aspect-ratio:16/10}
  .zig-body h3{font-size:23px}
  .sec-title{font-size:26px}
  .cat-hero{padding:32px 0 64px}
  .cat-hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .crumb{margin-bottom:26px}
  .stats-band{margin-top:64px;padding:48px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .cta-band{margin-top:64px;padding:48px 0}
  .cta-text h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .grid-4{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:0}
  .stat{border-left:0;padding:18px 0;border-top:1px solid rgba(255,255,255,.14)}
  .stat:first-child{border-top:0;padding-top:0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .mega-links{grid-template-columns:1fr}
  .sec-title{font-size:23px}
}

/* roulang page: category2 */
:root{
  --brand:#0FA98F;
  --brand-dark:#0B8571;
  --brand-soft:#57E0C4;
  --accent:#FF6A3D;
  --gold:#FFD166;
  --ink:#12171C;
  --text:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(18,23,28,.06);
  --shadow-lg:0 14px 30px -14px rgba(18,23,28,.18);
}
*{box-sizing:border-box}
html body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
button{font:inherit}
:focus-visible{outline:2px solid rgba(15,169,143,.45);outline-offset:2px;border-radius:6px}

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

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;box-shadow:0 6px 14px -8px rgba(15,169,143,.9)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.main-nav a{position:relative;display:inline-block;padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text);transition:color .18s ease,background-color .18s ease}
.main-nav a:hover{color:var(--brand);background:rgba(15,169,143,.07)}
.main-nav a.active{color:var(--brand);font-weight:700}
.main-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s,box-shadow .2s}
.mega-trigger:hover{border-color:rgba(15,169,143,.5);color:var(--brand);box-shadow:var(--shadow-sm)}
.mega-trigger i{font-size:11px;transition:transform .2s}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 12px);right:0;width:680px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-lg);padding:24px;display:grid;grid-template-columns:1.05fr 1.05fr .9fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease,transform .15s ease,visibility .15s}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-bottom:12px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}
.mega-links a{font-size:14px;color:var(--text);padding:5px 0;transition:color .18s,padding-left .18s}
.mega-links a:hover{color:var(--brand);padding-left:4px}
.mega-recent li+li{margin-top:12px}
.mega-recent a{display:block}
.mega-recent-t{display:block;font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .18s}
.mega-recent a:hover .mega-recent-t{color:var(--brand)}
.mega-recent-d{font-size:12px;color:var(--muted)}
.mega-feature{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;background:#FBFAF8;transition:border-color .2s,box-shadow .2s}
.mega-feature:hover{border-color:rgba(15,169,143,.4);box-shadow:var(--shadow-sm)}
.mega-feature img{width:100%;height:104px;object-fit:cover}
.mega-feature-t{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;font-size:13.5px;font-weight:600;color:var(--ink)}
.mega-feature-t i{color:var(--brand);font-size:12px}
.nav-toggle-check{display:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;margin-left:auto}

/* ---------- 横幅 ---------- */
.page-banner{position:relative;background:#12171C url('/assets/images/backpic/back-2.png') center/cover no-repeat;overflow:hidden}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(18,23,28,.94) 12%,rgba(18,23,28,.7) 62%,rgba(18,23,28,.55))}
.page-banner .container{position:relative;z-index:2;padding-top:56px;padding-bottom:60px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:22px}
.breadcrumb a{transition:color .18s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:var(--brand-soft);font-weight:600}
.banner-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--brand-soft);background:rgba(15,169,143,.16);border:1px solid rgba(87,224,196,.35);border-radius:999px;padding:5px 14px;margin-bottom:18px}
.banner-title{font-size:46px;font-weight:800;color:#fff;line-height:1.28;max-width:820px;letter-spacing:-.01em}
.banner-sub{margin-top:18px;font-size:17px;line-height:1.85;color:#C6CDD3;max-width:660px}
.banner-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag-light{font-size:12.5px;color:#D6DCE1;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);border-radius:999px;padding:5px 13px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;box-shadow:0 8px 18px -10px rgba(15,169,143,.85)}
.btn-brand:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(15,169,143,.9)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:rgba(15,169,143,.08);border-color:rgba(15,169,143,.45);color:var(--brand)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{filter:brightness(.96);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:0 0 88px}
.section-alt{background:#fff;padding:88px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);margin-bottom:10px}
.h2{font-size:34px;font-weight:800;letter-spacing:-.01em}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-desc{margin-top:12px;font-size:16px;color:var(--text);max-width:640px}
.link-more{position:relative;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand)}
.link-more::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--brand);transition:width .2s ease}
.link-more:hover::after{width:100%}

/* ---------- 目录 + 卡片网格 ---------- */
.catalog-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}
.catalog-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm)}
.side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--text);transition:background-color .18s,color .18s}
.side-list a:hover{background:rgba(15,169,143,.08);color:var(--brand)}
.side-list a i{font-size:11px;opacity:.55}
.side-cta{background:linear-gradient(160deg,#12171C,#1C2530);border-radius:var(--radius-card);padding:22px;color:#fff}
.side-cta-t{font-size:16px;font-weight:700;color:#fff}
.side-cta-d{margin:10px 0 18px;font-size:13.5px;line-height:1.8;color:#A9B2BA}

.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ecard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.ecard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,169,143,.35)}
.ecard-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEAE4}
.ecard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.ecard:hover .ecard-thumb img{transform:scale(1.03)}
.badge{position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;color:#fff;background:rgba(18,23,28,.72);border-radius:999px;padding:4px 11px}
.ecard-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1}
.ecard-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.45}
.ecard-desc{font-size:14.5px;line-height:1.75;color:var(--text)}
.ecard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid #F1EEE9;font-size:13px;color:var(--muted)}
.ecard-foot i{color:var(--brand);transition:transform .2s}
.ecard:hover .ecard-foot i{transform:translateX(3px)}

/* ---------- 观测维度 ---------- */
.grid-dims{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.dcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;overflow:hidden;transition:box-shadow .2s,transform .2s,border-color .2s}
.dcard::before{content:"";position:absolute;left:0;top:0;width:2px;height:44px;background:var(--brand)}
.dcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,169,143,.3)}
.dcard-icon{width:44px;height:44px;border-radius:12px;background:rgba(15,169,143,.1);color:var(--brand);display:grid;place-items:center;font-size:18px;margin-bottom:16px}
.dcard-title{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.dcard-desc{font-size:14.5px;line-height:1.8;color:var(--text)}

/* ---------- 流程 ---------- */
.progress{height:4px;border-radius:999px;background:#E9E5DE;overflow:hidden;margin-bottom:40px}
.progress span{display:block;height:100%;width:34%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-soft))}
.grid-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{padding-right:8px}
.step-num{font-size:44px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px rgba(15,169,143,.6);margin-bottom:14px}
.step-title{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step-desc{font-size:14.5px;line-height:1.8;color:var(--text)}

/* ---------- 适合谁看 ---------- */
.audience{max-width:920px;margin:0 auto;border-top:1px solid var(--line)}
.audience-item{display:grid;grid-template-columns:48px minmax(0,1fr) 20px;gap:18px;align-items:start;padding:24px 4px;border-bottom:1px solid var(--line);transition:background-color .18s}
.audience-item:hover{background:rgba(15,169,143,.04)}
.audience-icon{width:48px;height:48px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--brand);display:grid;place-items:center;font-size:18px}
.audience-title{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.audience-desc{font-size:14.5px;line-height:1.8;color:var(--text)}
.audience-item > i{align-self:center;color:var(--muted);font-size:13px;transition:color .2s,transform .2s}
.audience-item:hover > i{color:var(--brand);transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-wrap details:hover{border-color:rgba(15,169,143,.3);box-shadow:var(--shadow-sm)}
.faq-wrap details[open]{border-color:rgba(15,169,143,.4);box-shadow:var(--shadow-sm)}
.faq-wrap summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 20px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap details[open] summary{color:var(--brand)}
.faq-arrow{color:var(--muted);font-size:13px;transition:transform .2s ease,color .2s}
.faq-wrap details[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:16px 20px 20px;border-top:1px solid #F1EEE9;background:#FBFAF8;font-size:15px;line-height:1.85;color:var(--text)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;background:linear-gradient(135deg,#12171C,#1B2430);border-radius:24px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(15,169,143,.4),transparent 68%)}
.cta-band-copy{position:relative;z-index:2;max-width:640px}
.cta-band-title{font-size:30px;font-weight:800;color:#fff;line-height:1.35}
.cta-band-desc{margin-top:12px;font-size:15.5px;line-height:1.85;color:#AEB7BF}
.cta-band-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-note{font-size:13px;color:#8C949B}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#12171C;color:#B9C0C7;padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand .logo{color:#fff}
.footer-brand p{margin-top:14px;max-width:330px;font-size:14px;line-height:1.85;color:#B9C0C7}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .18s}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;font-size:13px;color:#8C949B}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-right{display:none}
  .main-nav{position:fixed;left:0;right:0;top:68px;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:8px 16px 20px;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-toggle-check:checked ~ .main-nav{display:flex}
  .main-nav a{padding:14px 8px;border-bottom:1px solid #F1EEE9;border-radius:0}
  .main-nav a.active::after{display:none}
  .main-nav a:hover{background:rgba(15,169,143,.06)}
  .catalog-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .catalog-aside{position:static}
  .side-card{padding:14px 14px 10px}
  .side-list{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:none}
  .side-list::-webkit-scrollbar{display:none}
  .side-list a{flex:0 0 auto;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:#fff;white-space:nowrap}
  .side-list a i{display:none}
  .grid-dims{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:767px){
  html body .container{padding:0 18px}
  .banner-title{font-size:30px}
  .banner-sub{font-size:15.5px}
  .page-banner .container{padding-top:40px;padding-bottom:44px}
  .section,.section-alt{padding:56px 0}
  .section-tight{padding:0 0 56px}
  .h2{font-size:26px}
  .grid-cards{grid-template-columns:minmax(0,1fr)}
  .grid-dims{grid-template-columns:minmax(0,1fr)}
  .grid-steps{grid-template-columns:minmax(0,1fr);gap:24px}
  .step-num{font-size:36px}
  .cta-band{border-radius:18px;padding:32px 22px}
  .cta-band-title{font-size:23px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{width:100%}
  .audience-item{grid-template-columns:40px minmax(0,1fr) 16px;gap:12px;padding:20px 0}
  .audience-icon{width:40px;height:40px;border-radius:12px;font-size:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .banner-actions .btn{width:100%}
  .banner-title{font-size:27px}
  .side-cta{padding:18px}
}

/* roulang page: category5 */
:root{
  --brand:#0FA98F;
  --brand-dark:#0C8F79;
  --brand-soft:rgba(15,169,143,.08);
  --accent:#FF6A3D;
  --gold:#FFD166;
  --ink:#12171C;
  --text:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --soft:#FBFAF8;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh1:0 1px 2px rgba(18,23,28,.06);
  --sh2:0 14px 30px -14px rgba(18,23,28,.18);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(15,169,143,.45);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:64px 0}

/* ---------- 顶部工具条 ---------- */
.top-bar{background:var(--ink);color:#C8CED4;font-size:13px;height:36px;display:flex;align-items:center}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-bar a{color:#DFE4E8;transition:color .2s}
.top-bar a:hover{color:var(--brand)}
.top-bar-left i{color:var(--brand);margin-right:6px}
.top-bar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.top-bar-right span.dot{color:rgba(255,255,255,.2)}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 14px -8px rgba(15,169,143,.9);
}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text);border-radius:8px;
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 15px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);
  font-size:14px;cursor:pointer;transition:border-color .2s,color .2s,box-shadow .2s;
}
.mega-trigger:hover{border-color:rgba(15,169,143,.5);color:var(--brand);box-shadow:var(--sh1)}
.mega-trigger i{font-size:11px;transition:transform .2s}
.mega-wrap:hover .mega-trigger i,.mega-wrap.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:680px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh2);
  padding:24px;display:grid;grid-template-columns:1.05fr 1.05fr .9fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega-col-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.6px;margin-bottom:10px;text-transform:none}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 14px}
.mega-links a{font-size:14px;color:var(--text);padding:6px 0;transition:color .2s,transform .2s;display:inline-block}
.mega-links a:hover{color:var(--brand);transform:translateX(2px)}
.mega-recent li+li{margin-top:12px}
.mega-recent a{display:block;padding:4px 0;border-bottom:1px dashed transparent;transition:border-color .2s}
.mega-recent a:hover{border-color:var(--line)}
.mega-recent-t{display:block;font-size:14px;color:var(--ink);line-height:1.6}
.mega-recent a:hover .mega-recent-t{color:var(--brand)}
.mega-recent-d{font-size:12px;color:var(--muted)}
.mega-card{display:block;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--soft);transition:transform .2s,box-shadow .2s,border-color .2s}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(15,169,143,.25)}
.mega-card img{width:100%;height:96px;object-fit:cover}
.mega-card-t{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;font-size:14px;font-weight:700;color:var(--ink)}
.mega-card:hover .mega-card-t{color:var(--brand)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-sm);color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(15,169,143,.5);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;box-shadow:0 10px 20px -14px rgba(15,169,143,.95)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(15,169,143,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{background:var(--brand-soft);border-color:rgba(15,169,143,.4);color:var(--brand-dark)}
.btn-light{background:#fff;color:var(--ink);border-color:transparent}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(0,0,0,.7)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;position:relative}
.text-link i{font-size:12px;transition:transform .2s}
.text-link:hover i{transform:translateX(4px)}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:#D3D9DE;transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:var(--brand);font-weight:700}

/* ---------- 分类横幅 ---------- */
.page-hero{position:relative;background:#12171C;color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,23,28,.94) 0%,rgba(18,23,28,.72) 48%,rgba(18,23,28,.5) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:58px;padding-bottom:58px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 12px;border-radius:999px;background:rgba(15,169,143,.18);border:1px solid rgba(15,169,143,.45);
  color:#7DE3CE;font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:16px;
}
.page-hero h1{
  font-size:46px;line-height:1.28;font-weight:800;color:#fff;letter-spacing:-.5px;max-width:920px;
}
.page-hero p{max-width:720px;margin-top:16px;font-size:17px;color:#C6CDD3;line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:24px;font-size:14px;color:#9FA8B0}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--brand)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-head h2{font-size:34px;line-height:1.3;font-weight:800;color:var(--ink);letter-spacing:-.4px}
.sec-head .sec-sub{margin-top:8px;font-size:15px;color:var(--muted)}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}

/* ---------- 主体布局 ---------- */
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}

/* ---------- 筛选标签 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(15,169,143,.5);color:var(--brand);transform:translateY(-1px)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(15,169,143,.95)}
.chip .num{font-size:12px;opacity:.8}

/* ---------- 日历清单 ---------- */
.cal-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden}
.cal-row{
  display:grid;grid-template-columns:88px 68px minmax(0,1fr) auto 18px;align-items:center;gap:16px;
  padding:18px 20px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.cal-row:last-child{border-bottom:0}
.cal-row:hover{background:var(--soft)}
.cal-time{display:flex;flex-direction:column;line-height:1.35}
.cal-time b{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.4px}
.cal-time span{font-size:12px;color:var(--muted)}
.cal-thumb{width:68px;height:44px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.cal-body{min-width:0}
.cal-title{display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;transition:color .2s}
.cal-row:hover .cal-title{color:var(--brand-dark)}
.cal-desc{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.65;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cal-tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--brand-soft);color:var(--brand-dark);border:1px solid rgba(15,169,143,.22);white-space:nowrap;
}
.cal-tag.warm{background:rgba(255,106,61,.1);color:#D9523C;border-color:rgba(255,106,61,.25)}
.cal-tag.gold{background:rgba(255,209,102,.22);color:#8A6300;border-color:rgba(255,209,102,.5)}
.cal-arrow{color:var(--muted);font-size:13px;transition:transform .2s ease,color .2s ease}
.cal-row:hover .cal-arrow{transform:translateX(4px);color:var(--brand)}
.cal-more{display:flex;justify-content:center;margin-top:22px}

/* ---------- 侧栏粘性卡 ---------- */
.cat-side{position:sticky;top:calc(var(--nav-h) + 24px);display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh1);
}
.side-card.dark{background:var(--ink);border-color:var(--ink);color:#C6CDD3}
.side-card.dark h3{color:#fff}
.side-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.45}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8}
.side-card.dark p{color:#9FA8B0}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.7}
.side-card.dark .side-list li{color:#D6DCE1}
.side-list i{color:var(--brand);margin-top:6px;font-size:12px}
.side-form{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.side-form label{font-size:13px;font-weight:700;color:var(--ink)}
.side-card.dark .side-form label{color:#EDF1F3}
.side-input{
  height:46px;width:100%;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.side-input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,169,143,.18)}
.side-card.dark .side-input{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff}
.side-note{font-size:12px;color:var(--muted);line-height:1.7}
.side-card.dark .side-note{color:#8C959D}

/* ---------- 节点卡片 ---------- */
.node-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.node-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.node-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(15,169,143,.25)}
.node-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.node-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.node-card:hover .node-media img{transform:scale(1.04)}
.node-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,23,28,0) 42%,rgba(18,23,28,.72) 100%)}
.node-badge{
  position:absolute;left:14px;top:14px;z-index:2;padding:4px 10px;border-radius:999px;
  background:rgba(255,209,102,.95);color:#5C4300;font-size:12px;font-weight:800;
}
.node-media-title{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;font-size:17px;font-weight:800;line-height:1.45}
.node-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.node-body p{font-size:14px;color:var(--muted);line-height:1.8}
.node-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.node-meta i{color:var(--brand);margin-right:6px}

/* ---------- 提醒步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  position:relative;overflow:hidden;box-shadow:var(--sh1);transition:transform .2s,box-shadow .2s;
}
.step::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.step-num{
  font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px rgba(15,169,143,.6);
  line-height:1;margin-bottom:14px;display:block;
}
.step h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 问答短块 ---------- */
.qa-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.qa-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.qa-item:hover{border-color:rgba(15,169,143,.28);box-shadow:var(--sh2);transform:translateY(-2px)}
.qa-q{display:flex;align-items:flex-start;gap:10px;font-size:17px;font-weight:800;color:var(--ink);line-height:1.6}
.qa-q i{color:var(--brand);font-size:14px;margin-top:7px}
.qa-a{margin-top:8px;padding-left:24px;font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#C6CDD3;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;opacity:.16;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding-top:56px;padding-bottom:56px;
}
.cta-inner h2{font-size:30px;font-weight:800;color:#fff;line-height:1.4;letter-spacing:-.3px}
.cta-inner p{margin-top:10px;font-size:15px;color:#9FA8B0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C0C7;padding-top:64px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9AA3AB;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B9C0C7;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8890;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0}
  .section-sm{padding:52px 0}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);
    padding:10px 24px 18px;display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 6px;border-bottom:1px dashed var(--line);font-size:15px}
  .main-nav a::after{display:none}
  .main-nav a:last-child{border-bottom:0}
  .mega-panel{
    right:-6px;width:min(680px,calc(100vw - 32px));grid-template-columns:1fr;
    max-height:72vh;overflow-y:auto;
  }
  .cat-layout{grid-template-columns:minmax(0,1fr)}
  .cat-side{position:static}
  .node-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .page-hero h1{font-size:34px}
  .page-hero p{font-size:16px}
  .sec-head h2{font-size:27px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding-top:48px;padding-bottom:48px}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .top-bar-left{display:none}
  .top-bar{font-size:12px}
  .node-grid{grid-template-columns:minmax(0,1fr)}
  .page-hero h1{font-size:30px}
  .hero-meta{gap:10px 18px;font-size:13px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:639px){
  .section{padding:52px 0}
  .cal-row{grid-template-columns:60px minmax(0,1fr) 16px;gap:12px;padding:15px 16px}
  .cal-thumb,.cal-tag{display:none}
  .cal-desc{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .cal-title{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
  .btn-inline{width:auto}
  .side-card{padding:20px}
}

/* roulang page: category4 */
:root{
  --primary:#0FA98F;
  --primary-deep:#0C8F79;
  --accent:#FF6A3D;
  --gold:#FFD166;
  --ink:#12171C;
  --body:#3A434B;
  --muted:#7A848D;
  --line:#E5E2DC;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --soft:#FBFAF8;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,23,28,.06);
  --sh-2:0 14px 30px -14px rgba(18,23,28,.18);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body h1,body h2,body h3,body h4,body h5,body h6{
  margin:0;
  color:var(--ink);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
}
body p{margin:0}
body a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease}
body a:hover{color:var(--primary-deep)}
body img{max-width:100%;display:block}
body ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid rgba(15,169,143,.45);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:640px){.container{padding:0 16px}}

/* ============ 顶部工具条 ============ */
.topbar{background:#12171C;color:#C9D0D6;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-inner p{display:flex;align-items:center;gap:8px;color:#C9D0D6}
.topbar-inner p i{color:var(--primary)}
.topbar-links{display:flex;align-items:center;gap:10px;color:#7A848D}
.topbar-links a{color:#C9D0D6;font-size:13px}
.topbar-links a:hover{color:var(--primary)}
@media (max-width:768px){
  .topbar-inner{height:auto;padding:8px 0}
  .topbar-inner p{font-size:12px;line-height:1.6}
  .topbar-links{display:none}
}

/* ============ 站点头部与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(18,23,28,.35)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px;position:relative}

.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--ink);flex-shrink:0}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#0FA98F,#0C8F79);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 6px 14px -8px rgba(15,169,143,.9);
}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{
  position:relative;
  display:block;
  padding:9px 13px;
  font-size:15px;
  color:var(--body);
  border-radius:8px;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--primary);background:rgba(15,169,143,.07)}
.main-nav a.active{color:var(--primary);font-weight:700}
.main-nav a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-1px;height:2px;
  background:var(--primary);border-radius:2px;
}

.nav-right{display:flex;align-items:center;flex-shrink:0}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-btn);
  background:rgba(15,169,143,.09);
  color:var(--primary-deep);
  border:1px solid rgba(15,169,143,.22);
  font-size:14px;font-weight:700;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.mega-trigger:hover{background:rgba(15,169,143,.16)}
.mega-trigger i{font-size:11px;transition:transform .18s ease}
.mega-wrap:hover .mega-trigger i,.mega-wrap.open .mega-trigger i{transform:rotate(180deg)}

.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:680px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 26px 54px -22px rgba(18,23,28,.32);
  display:grid;grid-template-columns:1.35fr 1.25fr .95fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:800;color:var(--ink);letter-spacing:.06em;margin-bottom:14px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.mega-links a{font-size:14px;color:var(--body);padding:5px 0}
.mega-links a:hover{color:var(--primary)}
.mega-recent{display:flex;flex-direction:column;gap:12px}
.mega-recent a{display:flex;flex-direction:column;gap:4px}
.mega-recent-t{font-size:14px;color:var(--body);line-height:1.6}
.mega-recent a:hover .mega-recent-t{color:var(--primary)}
.mega-recent-d{font-size:12px;color:var(--muted)}
.mega-card{
  display:flex;flex-direction:column;gap:10px;
  padding:14px;border:1px solid var(--line);border-radius:14px;
  background:var(--soft);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.mega-card:hover{border-color:rgba(15,169,143,.35);transform:translateY(-2px);box-shadow:var(--sh-2)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.mega-card-t{font-size:14px;font-weight:700;color:var(--ink);line-height:1.6}
.mega-card i{color:var(--primary);font-size:12px}

.nav-toggle{display:none}
.nav-burger{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}

@media (max-width:1180px){
  .main-nav a{padding:9px 9px;font-size:14px}
  .nav-inner{gap:16px}
}
@media (max-width:1023px){
  .nav-inner{height:62px}
  .nav-burger{display:flex}
  .nav-right{display:none}
  .main-nav{
    display:none;
    position:absolute;left:-24px;right:-24px;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -26px rgba(18,23,28,.4);
    padding:10px 24px 20px;
  }
  .nav-toggle:checked ~ .main-nav{display:flex}
  .main-nav a{padding:14px 12px;font-size:16px;border-radius:10px}
  .main-nav a.active{background:rgba(15,169,143,.09)}
  .main-nav a.active::after{display:none}
}
@media (max-width:640px){
  .main-nav{left:-16px;right:-16px;padding:10px 16px 18px}
}

/* ============ 通用按钮 / 标签 / 文字链 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:none;
  background:linear-gradient(135deg,#0FA98F,#0C8F79);
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{color:#fff;filter:brightness(.94);transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(15,169,143,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:none}

.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);
  color:var(--ink);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-outline:hover{border-color:rgba(15,169,143,.45);color:var(--primary);background:rgba(15,169,143,.07)}

.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:none;
  background:#fff;color:var(--ink);font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-light:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 16px 28px -16px rgba(0,0,0,.6)}

.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.38);background:transparent;
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.btn-outline-light:hover{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.6)}

.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700}
.link-arrow i{font-size:11px;transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.7;
  background:rgba(15,169,143,.12);color:var(--primary-deep);
}
.badge-accent{background:rgba(255,106,61,.14);color:#D9523C}
.badge-gold{background:rgba(255,209,102,.28);color:#8A6100}
.badge-solid{background:rgba(18,23,28,.7);color:#fff;backdrop-filter:blur(4px)}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;color:#C6C2BB}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ============ Hero 横幅 ============ */
.page-hero{
  margin-top:20px;
  border-radius:20px;
  overflow:hidden;
  background:linear-gradient(115deg,rgba(18,23,28,.9) 0%,rgba(18,23,28,.72) 52%,rgba(15,169,143,.5) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.page-hero-inner{padding:72px 56px 66px;max-width:820px}
.page-hero h1{color:#fff;font-size:46px;line-height:1.24;margin-bottom:18px}
.page-hero .lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.84);margin-bottom:30px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-tags span{
  padding:6px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.09);
  font-size:13px;color:#fff;
}
@media (max-width:1023px){.page-hero-inner{padding:56px 32px 52px}.page-hero h1{font-size:36px}}
@media (max-width:640px){
  .page-hero{border-radius:16px}
  .page-hero-inner{padding:40px 20px 40px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:15.5px}
}

/* ============ 板块通用 ============ */
.section{padding:96px 0 0}
.section:last-of-type{padding-bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head h2{font-size:34px;margin-bottom:12px}
.section-head p{font-size:15.5px;color:var(--muted);max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.12em;
  color:var(--primary);margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--primary)}
@media (max-width:1023px){
  .section{padding:72px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-head h2{font-size:26px}
}
@media (max-width:640px){
  .section{padding:56px 0 0}
  .section-head h2{font-size:24px}
}

/* ============ 概览三卡 ============ */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ov-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ov-card::before{content:"";position:absolute;left:0;top:0;width:2px;height:100%;background:var(--primary);opacity:.9}
.ov-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,169,143,.28)}
.ov-icon{
  width:46px;height:46px;border-radius:14px;
  background:rgba(15,169,143,.11);color:var(--primary);
  display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.ov-card h3{font-size:19px;margin-bottom:10px}
.ov-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:16px}
@media (max-width:1023px){.overview-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.overview-grid{grid-template-columns:1fr}}

/* ============ 时间轴分节 ============ */
.timeline{margin-top:8px;border-top:1px solid var(--line)}
.tl-item{
  display:grid;grid-template-columns:220px 1fr;gap:44px;
  padding:38px 0;border-bottom:1px solid var(--line);
}
.tl-side{display:flex;flex-direction:column;gap:12px}
.tl-num{
  font-size:40px;font-weight:800;line-height:1;
  color:#DCE9E5;
  -webkit-text-stroke:1.4px var(--primary);
  letter-spacing:.02em;
}
.tl-tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  background:rgba(255,209,102,.3);color:#8A6100;
  font-size:12.5px;font-weight:700;
}
.tl-body h3{font-size:22px;margin-bottom:12px}
.tl-body > p{font-size:16px;line-height:1.9;margin-bottom:16px}
.tl-list{display:flex;flex-direction:column;gap:4px}
.tl-list li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);line-height:1.9}
.tl-list li::before{
  content:"";position:absolute;left:2px;top:.88em;
  width:6px;height:6px;border-radius:50%;background:var(--primary);
}
@media (max-width:1023px){
  .tl-item{grid-template-columns:170px 1fr;gap:28px}
  .tl-num{font-size:34px}
}
@media (max-width:640px){
  .tl-item{grid-template-columns:1fr;gap:14px;padding:30px 0}
  .tl-side{flex-direction:row;align-items:center;gap:12px}
  .tl-num{font-size:28px}
  .tl-body h3{font-size:19px}
}

/* ============ 礼包卡片网格 ============ */
.pkg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pkg-card{
  display:flex;flex-direction:column;
  background:var(--card);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;
}
.pkg-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,169,143,.3)}
.pkg-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEDE8}
.pkg-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.pkg-card:hover .pkg-thumb img{transform:scale(1.03)}
.pkg-thumb .badge{position:absolute;left:14px;top:14px}
.pkg-body{display:flex;flex-direction:column;gap:10px;padding:22px 22px 20px;flex:1}
.pkg-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.pkg-desc{font-size:14.5px;color:var(--muted);line-height:1.8}
.pkg-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.pkg-foot i{color:var(--primary);font-size:12px}
@media (max-width:1023px){.pkg-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.pkg-grid{grid-template-columns:1fr}}

/* ============ 深色数据带 ============ */
.stat-band{
  margin-top:96px;
  background:var(--ink);border-radius:20px;
  padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{font-size:34px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-label{font-size:14px;color:#9AA3AB;margin-top:6px}
@media (max-width:1023px){
  .stat-band{grid-template-columns:repeat(2,1fr);gap:28px 0;padding:36px 28px}
  .stat:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:640px){
  .stat-band{margin-top:56px;padding:30px 22px}
  .stat{padding:0 14px}
  .stat-num{font-size:27px}
}

/* ============ 领取须知（两栏） ============ */
.note-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:44px;
}
.note-wrap h2{font-size:30px;margin-bottom:16px}
.note-wrap p{font-size:15.5px;line-height:1.9;color:var(--muted);margin-bottom:14px}
.note-list{display:flex;flex-direction:column;gap:14px}
.note-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:14px;background:var(--soft);
  border:1px solid var(--line);
  font-size:15px;color:var(--body);line-height:1.8;
}
.note-list li i{color:var(--primary);margin-top:5px;font-size:14px}
@media (max-width:1023px){
  .note-wrap{grid-template-columns:1fr;gap:28px;padding:32px 24px}
  .note-wrap h2{font-size:24px}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item:hover{border-color:rgba(15,169,143,.3)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:56px;padding:0 20px;cursor:pointer;
  font-size:15.5px;font-weight:700;color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--muted);font-size:12px;transition:transform .2s ease,color .2s ease}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--primary)}
.faq-body{
  padding:16px 20px 20px;background:var(--soft);
  border-top:1px solid var(--line);
  font-size:15px;line-height:1.9;color:var(--body);
}

/* ============ 反馈表单 ============ */
.contact-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;padding:44px;
}
.contact-info h2{font-size:30px;margin-bottom:16px}
.contact-info p{font-size:15.5px;color:var(--muted);line-height:1.9;margin-bottom:24px}
.contact-lines{display:flex;flex-direction:column;gap:14px}
.contact-lines li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--body)}
.contact-lines i{width:36px;height:36px;border-radius:11px;background:rgba(15,169,143,.1);color:var(--primary);display:grid;place-items:center;font-size:14px;flex-shrink:0}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.form-field input,
.form-field select,
.form-field textarea{
  height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field textarea{height:110px;padding:12px 14px;line-height:1.8;resize:vertical}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,169,143,.16);
}
.form-field input::placeholder,
.form-field textarea::placeholder{color:#A8B0B6}
.form-submit{margin-top:6px}
.form-submit .btn-primary{width:100%}
.form-tip{
  display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
  background:rgba(15,169,143,.1);color:var(--primary-deep);
  font-size:14px;line-height:1.8;
}
@media (max-width:1023px){
  .contact-wrap{grid-template-columns:1fr;gap:28px;padding:32px 24px}
  .contact-info h2{font-size:24px}
}
@media (max-width:640px){
  .form-grid{grid-template-columns:1fr}
}

/* ============ CTA 深色带 ============ */
.cta-band{
  margin-top:96px;
  background:var(--ink);border-radius:20px;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(15,169,143,.35),transparent 70%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;position:relative}
.cta-band p{color:#B9C0C7;font-size:15.5px;line-height:1.85;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;position:relative;flex-shrink:0}
@media (max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px;margin-top:72px}
  .cta-band h2{font-size:24px}
}
@media (max-width:640px){.cta-band{margin-top:56px}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9C0C7;margin-top:96px}
.site-footer .container{padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:#8D959D;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#B9C0C7;font-size:14px}
.footer-col a:hover{color:var(--primary)}
.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:#8D959D;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .site-footer{margin-top:56px}
  .site-footer .container{padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}