/* roulang page: index */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --soft:#FFF1E8;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16),0 4px 12px rgba(16,44,43,.06);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --sec-pad:clamp(56px,8vw,104px);
  --bs-gutter-x:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.18;font-weight:800}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
h3{font-size:19px;line-height:1.4;font-weight:600}
h4{font-size:16px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}
.section{padding:var(--sec-pad) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--soft);color:var(--brand-1);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;height:26px;
}
.text-link{color:var(--brand-1);font-weight:600;font-size:14px;border-bottom:1px dashed rgba(255,91,46,.5);padding-bottom:2px;transition:var(--ease)}
.text-link:hover{color:#e8431a;border-bottom-color:#e8431a}

/* 按钮 */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  padding:16px 30px;border-radius:var(--r-btn);
  border:1.5px solid transparent;cursor:pointer;
  transition:var(--ease);white-space:nowrap;
}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-2)}
.btn-brand:hover{background:linear-gradient(104deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);transform:translateY(-2px);box-shadow:var(--shadow-3);color:#fff}
.btn-brand:active{transform:translateY(1px)}
.btn-outline-brand{background:#fff;border-color:var(--brand-1);color:var(--brand-1)}
.btn-outline-brand:hover{background:rgba(255,91,46,.08);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-brand:focus-visible,.btn-outline-brand:focus-visible,.btn-ghost:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.28);
}
.btn-sm{padding:12px 22px;font-size:14px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,247,241,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(16,44,43,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:var(--ease)}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;box-shadow:0 6px 18px rgba(255,91,46,.28);flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px}
.logo small{display:block;font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;display:block;padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-2);transition:var(--ease);
}
.main-nav a:hover{color:var(--brand-1);background:rgba(255,91,46,.06)}
.main-nav a.is-active{color:var(--ink);font-weight:800}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}

/* Hero */
.hero{position:relative;padding:clamp(36px,6vw,72px) 0 var(--sec-pad);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-30% -10% auto -10%;height:120%;
  background:
    radial-gradient(60% 55% at 12% 8%,rgba(255,91,46,.16) 0%,rgba(255,91,46,0) 62%),
    radial-gradient(45% 45% at 88% 0%,rgba(255,176,61,.20) 0%,rgba(255,176,61,0) 60%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-160px;bottom:-200px;width:620px;height:620px;
  border-radius:50%;border:60px solid rgba(255,91,46,.045);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.hero-copy h1{margin:18px 0 18px;max-width:16em}
.hero-copy h1 span{display:block}
.hero-copy h1 em{font-style:normal;color:var(--brand-1);position:relative}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.badge-row{display:flex;gap:14px;flex-wrap:wrap}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-badge);
  padding:12px 18px;min-width:132px;box-shadow:var(--shadow-1);
}
.stat-badge b{display:block;font-size:24px;line-height:1.1;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums}
.stat-badge span{display:block;font-size:12px;color:var(--text-3);margin-top:6px;font-weight:600}
.stat-badge.is-accent b{color:var(--accent)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;border-radius:var(--r-panel);box-shadow:var(--shadow-2)}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-panel);
  background:linear-gradient(200deg,rgba(16,44,43,.38) 0%,rgba(16,44,43,.05) 45%,rgba(255,91,46,.16) 100%);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;z-index:2;
  background:#fff;border-radius:18px;padding:14px 18px;box-shadow:var(--shadow-3);
  border:1px solid var(--line);
}
.hero-float b{display:block;font-size:15px;font-weight:800;color:var(--ink)}
.hero-float span{font-size:12px;color:var(--text-3)}
.hero-note{
  position:absolute;right:16px;top:16px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:14px;padding:10px 14px;
  font-size:12px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-1);
}

/* 优惠阶梯 */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end}
.ladder-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-1);transition:var(--ease);
  display:flex;flex-direction:column;gap:16px;
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.ladder-card .tier{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand-1);text-transform:uppercase}
.ladder-card h3{font-size:21px}
.ladder-card ul{display:flex;flex-direction:column;gap:10px}
.ladder-card li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2)}
.ladder-card li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--brand-grad);
}
.ladder-card .foot{margin-top:auto;border-top:1px dashed var(--line);padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.ladder-card:nth-child(1){min-height:340px;background:linear-gradient(180deg,#FFFBF8 0%,#fff 60%)}
.ladder-card:nth-child(2){min-height:392px;background:linear-gradient(180deg,#FFF5EE 0%,#fff 62%)}
.ladder-card:nth-child(3){min-height:444px;background:linear-gradient(180deg,#FFEFE3 0%,#fff 64%);border-color:rgba(255,91,46,.32)}

/* 对比矩阵 */
.matrix-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-radius:var(--r-panel);padding-bottom:6px;
}
.matrix{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line)}
.matrix thead th{
  background:var(--ink);color:#fff;font-size:15px;font-weight:700;text-align:left;
  padding:20px 22px;border:none;
}
.matrix thead th:first-child{color:rgba(255,255,255,.62);font-weight:600;font-size:13px}
.matrix th,.matrix td{padding:16px 22px;border-bottom:1px solid var(--line);font-size:14.5px;text-align:left;vertical-align:middle}
.matrix tbody tr:last-child td,.matrix tbody tr:last-child th{border-bottom:none}
.matrix tbody th{font-weight:600;color:var(--ink);background:#FFFCFA;width:22%}
.matrix .is-rec{background:var(--soft);position:relative}
.matrix thead .is-rec{background:#3a2013;color:#fff}
.matrix tbody td.is-rec{background:#FFF6F0;font-weight:700;color:var(--brand-1)}
.rec-badge{display:inline-block;background:var(--brand-grad);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;margin-left:8px;vertical-align:middle}
.matrix .yes{color:var(--accent);font-weight:700}
.matrix .no{color:var(--text-3)}
.matrix-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* 限时入口 */
.timed{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.timed::before{
  content:"";position:absolute;right:-180px;top:-140px;width:560px;height:560px;border-radius:50%;
  border:70px solid rgba(255,176,61,.10);
}
.timed-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.timed h2{color:#fff}
.timed p{color:rgba(255,255,255,.74)}
.countdown{display:flex;gap:14px;margin:26px 0 0;flex-wrap:wrap}
.cd-box{
  background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:16px;
  min-width:88px;padding:14px 10px;text-align:center;
}
.cd-box b{display:block;font-size:30px;font-weight:800;color:var(--amber);line-height:1.1;font-variant-numeric:tabular-nums}
.cd-box span{font-size:12px;color:rgba(255,255,255,.55);font-weight:600}
.timed-side{background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-panel);padding:32px}
.timed-side h3{color:#fff;margin-bottom:12px}
.timed-side p{font-size:14px;margin-bottom:22px}
.timed-side .btn-brand{width:100%}
.timed-side .hint{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.55);text-align:center}

/* CMS 资讯列表 */
.cms-featured{
  display:grid;grid-template-columns:1fr 1.15fr;gap:0;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:var(--ease);margin-bottom:24px;
}
.cms-featured:hover{box-shadow:var(--shadow-3);transform:translateY(-4px)}
.cms-featured .thumb{position:relative;min-height:280px}
.cms-featured .thumb img{position:absolute;inset:0;width:100%;height:100%;aspect-ratio:16/10}
.cms-featured .body{padding:32px;display:flex;flex-direction:column;gap:14px}
.cms-featured h3{font-size:22px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--brand-1);font-size:12px;font-weight:700;width:fit-content;
}
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:var(--ease);display:flex;flex-direction:column;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.cms-card .thumb img{width:100%;aspect-ratio:16/10}
.cms-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.cms-card h3{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card .excerpt{
  font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#FFFBF7;border:1px dashed var(--line);border-radius:var(--r-card);padding:36px 24px;text-align:center;
}
.empty-state .ph{width:64px;height:64px;border-radius:20px;background:var(--soft);display:grid;place-items:center}
.empty-state .ph svg{width:28px;height:28px;stroke:var(--brand-1)}
.empty-state p{color:var(--text-2);font-size:14.5px;margin:0}

/* 表单 */
.form-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:36px;box-shadow:var(--shadow-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--brand-1)}
.field input,.field select,.field textarea{
  width:100%;height:52px;border-radius:14px;border:1px solid var(--line);background:#FFFCFA;
  padding:0 16px;transition:var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.14);
}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);margin:6px 0 22px}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-1)}
.side-card{position:sticky;top:96px;background:var(--ink);color:#fff;border-radius:var(--r-panel);padding:34px}
.side-card h3{color:#fff;margin-bottom:10px}
.side-card p{color:rgba(255,255,255,.7);font-size:14.5px}
.side-list{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.side-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86)}
.side-list .dot{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:rgba(22,199,154,.16);
  display:grid;place-items:center;margin-top:2px;
}
.side-list .dot svg{width:14px;height:14px;stroke:var(--accent)}
.side-meta{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}

/* FAQ */
.faq-acc .accordion-item{
  border:none;border-radius:18px;background:#fff;box-shadow:var(--shadow-1);
  margin-bottom:12px;overflow:hidden;border-left:4px solid transparent;transition:var(--ease);
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--brand-1);background:#FFFBF7}
.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;padding:20px 24px;
  box-shadow:none;border-radius:18px;
}
.faq-acc .accordion-button:not(.collapsed){background:#FFF6F0;color:var(--brand-1)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(255,91,46,.16);z-index:2}
.faq-acc .accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:600;color:var(--brand-1);
  width:24px;height:24px;display:grid;place-items:center;transition:transform var(--ease);line-height:1;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(45deg)}
.faq-acc .accordion-body{padding:4px 24px 22px;font-size:15px;color:var(--text-2)}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;margin-top:0;position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--brand-grad)}
.footer-inner{padding:64px 0 32px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo small{color:rgba(255,255,255,.5)}
.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;margin-top:18px;max-width:26em}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col a,.footer-col li{color:rgba(255,255,255,.66);font-size:14px;line-height:2.2;transition:var(--ease)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* 移动底部 Tab */
.tabbar{display:none}
@media (max-width:767px){
  .main-nav,.nav-cta{display:none}
  .nav-inner{height:64px}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 24px rgba(16,44,43,.08);
  }
  .tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;font-weight:600;color:var(--text-3);
  }
  .tabbar a svg{width:22px;height:22px;stroke:var(--text-3);transition:var(--ease)}
  .tabbar a.is-active{color:var(--brand-1)}
  .tabbar a.is-active svg{stroke:#fff}
  .tabbar a.is-active .ico{background:var(--brand-grad);border-radius:50%;padding:5px;box-shadow:0 6px 14px rgba(255,91,46,.34)}
  .tabbar .ico{display:grid;place-items:center;border-radius:50%;padding:5px}
}

/* 响应式 */
@media (max-width:1199px){
  .cms-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{max-width:100%}
  .timed-inner{grid-template-columns:1fr;gap:32px}
  .form-layout{grid-template-columns:1fr}
  .side-card{position:static}
  .cms-featured{grid-template-columns:1fr}
  .cms-featured .thumb{min-height:220px}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .ladder{grid-template-columns:1fr;gap:16px}
  .ladder-card{min-height:auto !important}
}
@media (max-width:575px){
  body{font-size:14.5px}
  .section{padding:56px 0}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%}
  .badge-row{gap:10px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .stat-badge{min-width:118px;padding:10px 14px}
  .stat-badge b{font-size:20px}
  .cms-grid{grid-template-columns:1fr;gap:16px}
  .panel{padding:24px 20px}
  .side-card{padding:26px 22px}
  .footer-inner{grid-template-columns:1fr;padding:48px 0 24px}
  .timed-side{padding:24px 20px}
  .cd-box{min-width:72px;padding:10px 6px}
  .cd-box b{font-size:24px}
  .hero-float{position:static;margin-top:16px;display:inline-block}
}

/* roulang page: article */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --chip-bg:#FFF1E8;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,104px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:76px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.22);border-radius:8px;}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,247,241,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 6px 22px rgba(16,44,43,.07);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:76px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:66px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--ink);}
.logo small{display:block;font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--text-3);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,91,46,.28);
  flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:3px;border-radius:3px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.main-nav a:hover{color:var(--ink);background:rgba(255,91,46,.06);}
.main-nav a:hover::after,
.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.nav-cta{display:flex;align-items:center;gap:10px;}

/* ---------- buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border:0;border-radius:var(--r-btn);
  background:var(--brand-grad);
  background-size:140% 140%;
  color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--shadow-2);
  cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-position .28s var(--ease);
}
.btn-brand:hover{transform:translateY(-2px);background-position:12% 50%;box-shadow:var(--shadow-3);color:#fff;}
.btn-brand:active{transform:translateY(1px);}
.btn-brand.btn-sm{padding:10px 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  background:#fff;border:1.5px solid var(--brand-1);color:var(--brand-1);
  font-weight:700;font-size:15px;
  transition:transform .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-ghost:hover{background:rgba(255,91,46,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.42);color:#fff;font-weight:700;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding-top:22px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:#D8C9BC;}
.crumb .current{color:var(--brand-1);font-weight:600;}

/* ---------- article head ---------- */
.article-head{padding:26px 0 0;}
.article-head .inner{max-width:900px;margin:0 auto;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--chip-bg);color:var(--brand-1);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.article-title{
  margin:16px 0 0;
  font-size:clamp(28px,4.2vw,42px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  margin-top:18px;
  font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.meta-rule{height:1px;background:var(--line);margin-top:24px;}

/* ---------- cover ---------- */
.article-cover{max-width:900px;margin:28px auto 0;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-1);
}

/* ---------- prose ---------- */
.article-body{padding-top:34px;}
.article-prose{
  max-width:780px;margin:0 auto;
  font-size:16px;line-height:1.9;color:var(--text);
}
.article-prose p{margin:0 0 1.2em;}
.article-prose h2{
  position:relative;
  margin:2em 0 .8em;
  padding-left:16px;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.4;font-weight:700;color:var(--ink);
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.22em;
  width:4px;height:1em;border-radius:2px;background:var(--brand-grad);
}
.article-prose h3{margin:1.6em 0 .6em;font-size:18px;font-weight:600;color:var(--ink);}
.article-prose ul{margin:0 0 1.2em;}
.article-prose ul li{position:relative;padding-left:20px;margin:.5em 0;}
.article-prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--brand-1);
}
.article-prose ol{margin:0 0 1.2em;padding-left:22px;}
.article-prose ol li{margin:.5em 0;}
.article-prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:4px solid var(--brand-1);
  background:var(--chip-bg);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);
}
.article-prose img{
  width:auto;max-width:100%;height:auto;
  margin:1.6em auto;border-radius:var(--r-img);
}
.article-prose figure{margin:1.6em 0;}
.article-prose figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-prose a{
  color:var(--brand-1);
  text-decoration:underline;
  text-decoration-style:dashed;
  text-underline-offset:3px;
}
.article-prose a:hover{color:#E84515;}
.article-prose table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;background:#fff;border-radius:var(--r-img);overflow:hidden;
}
.article-prose th{
  background:var(--ink);color:#fff;font-weight:600;
  padding:14px 16px;text-align:left;
}
.article-prose td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-prose tr:last-child td{border-bottom:0;}
.article-prose code{
  background:#FFF1E8;color:#C93C11;border-radius:6px;
  padding:2px 6px;font-size:14px;
}

/* ---------- tags ---------- */
.tag-row{
  max-width:780px;margin:44px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-top:22px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--text-2);
}
.tag:hover{border-color:var(--brand-1);color:var(--brand-1);background:rgba(255,91,46,.06);}

/* ---------- section heading ---------- */
.sec{padding-top:var(--sec);}
.sec-head{margin-bottom:28px;}
.sec-head h2{
  font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--ink);
}
.sec-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(255,91,46,.28);}
.rel-card h3{
  margin:14px 0 0;font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card time{display:block;margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- back ---------- */
.back-wrap{display:flex;justify-content:center;margin-top:clamp(40px,6vw,72px);}

/* ---------- empty state ---------- */
.empty-state{
  max-width:780px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .illus{
  width:88px;height:88px;margin:0 auto 18px;border-radius:24px;
  background:var(--chip-bg);display:flex;align-items:center;justify-content:center;
}
.empty-state .illus svg{width:40px;height:40px;stroke:var(--brand-1);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);}
.empty-state p{margin-top:10px;font-size:15px;color:var(--text-2);}
.empty-state .actions{margin-top:22px;display:flex;justify-content:center;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:var(--sec);
  background:var(--ink);
  color:#fff;
  padding-top:4px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-grad);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-top:56px;
  padding-bottom:40px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo small{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a,
.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.68);line-height:1.6;}
.footer-col ul li a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:18px;padding-bottom:24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- mobile tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;
  height:60px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(16,44,43,.07);
}
.tabbar-inner{display:flex;height:60px;}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;font-weight:600;color:var(--text-3);
}
.tabbar a .tab-ico{
  width:34px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:999px;
  transition:background .28s var(--ease);
}
.tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active{color:var(--brand-1);}
.tabbar a.is-active .tab-ico{background:var(--brand-grad);color:#fff;width:44px;}
.tabbar a.is-active svg{stroke:#fff;width:20px;height:20px;}

/* ---------- responsive ---------- */
@media (max-width:991px){
  .main-nav{gap:2px;}
  .main-nav a{padding:9px 8px;font-size:14px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .related-grid .rel-card:last-child{display:none;}
}
@media (max-width:767px){
  .main-nav{display:none;}
  .nav-cta .btn-brand{display:none;}
  .tabbar{display:block;}
  .footer-inner{grid-template-columns:1fr;gap:26px;padding-top:42px;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid .rel-card:last-child{display:block;}
  .article-prose{font-size:15.5px;}
  .article-meta{gap:14px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .article-title{font-size:26px;}
  .btn-brand,.btn-ghost{width:100%;}
  .empty-state{padding:40px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,104px);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease),background-color .28s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.18;font-weight:800;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.4;font-weight:600;}
h4{font-size:16px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.24);border-radius:8px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-weight:600;font-size:15px;
  padding:14px 26px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease);
  white-space:nowrap;
}
.btn-brand{
  background-image:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  background-size:130% 100%;
  background-position:0% 0;
  color:#fff;
  box-shadow:var(--shadow-2);
}
.btn-brand:hover{background-position:18% 0;transform:translateY(-2px);box-shadow:var(--shadow-3);color:#fff;}
.btn-brand:active{transform:translateY(1px);}
.btn-line{background:#fff;border-color:var(--brand-1);color:var(--brand-1);}
.btn-line:hover{background:rgba(255,91,46,.08);transform:translateY(-2px);color:var(--brand-1);}
.btn-line:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,247,241,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 6px 20px rgba(16,44,43,.07);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:76px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{min-height:64px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;line-height:1.15;color:var(--ink);
  letter-spacing:-.01em;
}
.logo small{display:block;font-size:9px;font-weight:600;letter-spacing:.16em;color:var(--text-3);margin-top:3px;}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background-image:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,91,46,.28);
}
.logo-mark svg{width:22px;height:22px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:999px;
}
.main-nav a:hover{color:var(--brand-1);background:rgba(255,91,46,.07);}
.main-nav a.is-active{color:var(--brand-1);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-cta{display:flex;align-items:center;gap:10px;}

/* ============ 面包屑 ============ */
.crumb{
  font-size:13px;color:var(--text-3);
  padding:14px 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--brand-1);font-weight:600;}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  background-image:linear-gradient(115deg,rgba(16,44,43,.92) 0%,rgba(16,44,43,.72) 46%,rgba(255,91,46,.58) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:clamp(28px,5vw,56px);
  color:#fff;
}
.page-hero h1{color:#fff;max-width:20ch;}
.page-hero p{color:rgba(255,255,255,.88);max-width:56ch;font-size:16px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:#FFF1E8;color:var(--brand-1);
  font-size:12px;font-weight:700;
}
.chip-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-badge{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-badge);
  padding:10px 14px;
  min-width:112px;
}
.stat-badge b{display:block;font-size:20px;font-weight:800;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;}
.stat-badge span{font-size:12px;color:rgba(255,255,255,.78);}

/* ============ 区块 ============ */
.section{padding-top:var(--sec);}
.section-head{max-width:660px;margin-bottom:clamp(24px,3vw,40px);}
.section-head p{color:var(--text-2);margin-top:12px;font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-1);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--brand-grad);}

/* ============ 时间线 ============ */
.tl-wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;}
.tl{position:relative;}
.tl-item{position:relative;padding:0 0 34px 72px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:21px;top:52px;bottom:6px;
  border-left:2px dashed var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-node{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background-image:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,91,46,.28);
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:20px 22px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.tl-card h3{margin-bottom:8px;}
.tl-card p{color:var(--text-2);font-size:15px;}
.tl-media{
  margin-top:16px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;background:#FFF1E8;
}
.tl-media img{width:100%;height:100%;object-fit:cover;}
.tl-tip{
  margin-top:14px;display:flex;gap:10px;align-items:flex-start;
  background:#F4FCF9;border-radius:14px;padding:12px 14px;
  font-size:13.5px;color:var(--ink-2);
}
.tl-tip svg{flex:0 0 18px;margin-top:3px;}

/* ============ 侧边卡 ============ */
.side-card{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-2);
  padding:26px 24px;
}
.side-card h3{margin-bottom:10px;}
.side-card>p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);}
.check-list svg{flex:0 0 18px;margin-top:4px;}
.side-hours{
  margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--text-2);display:grid;gap:8px;
}
.side-hours strong{color:var(--ink);font-weight:700;}
.dot-line{display:flex;align-items:center;gap:8px;}
.dot-line i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ============ 准备清单 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.prep-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.prep-icon{
  width:46px;height:46px;border-radius:14px;background:#FFF1E8;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.prep-card h3{font-size:17px;margin-bottom:8px;}
.prep-card p{font-size:14px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.faq-item.is-open{
  background:#FFFAF6;
  border-left:4px solid var(--brand-1);
  box-shadow:var(--shadow-2);
}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .28s var(--ease);
}
.faq-q:hover{color:var(--brand-1);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:#FFF1E8;color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  transition:transform .3s var(--ease),background-color .28s var(--ease),color .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-1);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;}

/* ============ 其他入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.entry-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);display:block;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(255,91,46,.35);}
.entry-card h3{font-size:17px;margin:14px 0 8px;}
.entry-card p{font-size:14px;color:var(--text-2);}
.entry-arrow{font-size:13px;font-weight:700;color:var(--brand-1);margin-top:14px;display:inline-block;}

/* ============ CTA 深色区 ============ */
.cta-band{
  background:var(--ink);
  background-image:radial-gradient(900px 300px at 88% -12%,rgba(255,91,46,.30),transparent 70%);
  border-radius:var(--r-panel);
  padding:clamp(28px,5vw,52px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 10% 120%,rgba(255,194,75,.16),transparent 55%);
}
.cta-band h2{color:#fff;max-width:22ch;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:10px;max-width:46ch;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  background:var(--ink);
  color:#fff;
  position:relative;
  padding-top:4px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background-image:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-top:clamp(40px,5vw,64px);
  padding-bottom:36px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo small{color:rgba(255,255,255,.5);}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;max-width:34ch;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col li{color:rgba(255,255,255,.68);font-size:14px;line-height:1.6;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;padding-bottom:24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  height:60px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(16,44,43,.08);
}
.mobile-tab ul{
  display:flex;height:60px;align-items:center;justify-content:space-around;
}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:11px;color:var(--text-3);font-weight:600;
  padding:6px 10px;
}
.mobile-tab a svg{width:24px;height:24px;stroke-width:1.7;}
.mobile-tab a.is-active{color:var(--brand-1);}
.mobile-tab a.is-active .tab-ico{
  background-image:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  box-shadow:0 6px 16px rgba(255,91,46,.30);
}
.mobile-tab a.is-active svg{stroke:#fff;}
.tab-ico{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.mobile-tab svg{stroke:var(--text-3);fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .tl-wrap{grid-template-columns:minmax(0,1fr);}
  .side-card{position:static;margin-top:8px;}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .main-nav{display:none;}
  .nav-inner{min-height:64px;}
  .nav-cta .btn-brand{padding:9px 16px;font-size:13px;}
  .mobile-tab{display:block;}
  .page-hero{padding:26px 20px;border-radius:22px;}
  .tl-item{padding-left:60px;}
  .tl-item::before{left:17px;}
  .tl-node{width:36px;height:36px;font-size:15px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  body{font-size:15px;}
  h1{font-size:27px;}
  .prep-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .hero-badges{gap:10px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;}
  .stat-badge{min-width:104px;}
  .btn-brand,.btn-line,.btn-ghost{width:100%;}
  .nav-cta .btn-brand{width:auto;}
  .cta-actions{width:100%;}
  .tl-card{padding:18px;}
}

/* roulang page: category2 */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --section-y:clamp(56px,8vw,104px);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),transform .28s var(--ease);}
ul,ol{list-style:none;margin:0;padding:0;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.4;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{font-size:15.5px;line-height:1.78;color:var(--text-2);}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.28);border-radius:12px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,247,241,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 2px 16px rgba(16,44,43,.07);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:78px;transition:min-height .3s var(--ease);}
.site-header.is-scrolled .nav-inner{min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink);letter-spacing:-.01em;}
.logo span{display:inline-flex;flex-direction:column;line-height:1.2;}
.logo small{font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--text-3);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;box-shadow:var(--shadow-2);flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:12px;
}
.main-nav a:hover{color:var(--brand-1);background:rgba(255,91,46,.07);}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-cta{display:flex;align-items:center;gap:10px;}

/* ---------- buttons ---------- */
.btn-brand,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;cursor:pointer;border:0;
  padding:14px 26px;font-size:15px;line-height:1;text-align:center;
}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-2);}
.btn-brand:hover{transform:translateY(-2px);color:#fff;background:linear-gradient(112deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);box-shadow:var(--shadow-3);}
.btn-brand:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-line{background:#fff;color:var(--brand-1);border:1.5px solid var(--brand-1);}
.btn-line:hover{background:rgba(255,91,46,.08);transform:translateY(-2px);color:var(--brand-1);}
.btn-line:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- chips & badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:#FFF1E8;color:var(--brand-1);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.chip-dark{background:rgba(255,255,255,.12);color:#FFD9C6;}
.badge-group{display:flex;gap:12px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
.badge-group::-webkit-scrollbar{height:0;}
.stat-badge{
  min-width:132px;flex:0 0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-badge);padding:12px 14px;box-shadow:var(--shadow-1);
}
.stat-badge .v{font-size:20px;font-weight:800;color:var(--brand-1);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-badge .v em{font-style:normal;font-size:12px;font-weight:700;margin-left:2px;color:var(--text-2);}
.stat-badge .k{font-size:12px;color:var(--text-2);margin-top:4px;line-height:1.5;}
.stat-badge.accent .v{color:var(--accent);}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--text-3);padding:14px 0 12px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:#D9CBC0;}
.crumb .now{color:var(--brand-1);font-weight:600;}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:clamp(28px,5vw,56px) 0 clamp(36px,6vw,72px);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:var(--brand-grad);opacity:.10;filter:blur(10px);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,4vw,48px);align-items:center;}
.hero-copy h1 span{display:block;}
.hero-copy h1 .hl{color:var(--brand-1);}
.hero-sub{margin-top:18px;font-size:16px;color:var(--text-2);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-badges{margin-top:30px;}
.hero-card{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid var(--line);background:var(--surface);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-card .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,44,43,0) 38%,rgba(16,44,43,.72) 100%);}
.hero-float{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(255,255,255,.94);border-radius:16px;padding:12px 16px;display:flex;gap:12px;align-items:center;
}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 0 4px rgba(22,199,154,.16);}
.hero-float p{font-size:13px;color:var(--text-2);margin:0;}

/* ---------- section base ---------- */
.section{padding:var(--section-y) 0;}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px);}
.section-head h2{margin-top:14px;color:var(--ink);}
.section-head p{margin-top:14px;}

/* ---------- stagger grid ---------- */
.stagger-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start;}
.fg-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:26px;transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.fg-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.fg-a{grid-column:span 8;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:26px;align-items:center;}
.fg-b{grid-column:span 4;}
.fg-c{grid-column:span 4;margin-top:34px;}
.fg-d{grid-column:span 4;}
.fg-e{grid-column:span 4;margin-top:34px;}
.fg-f{grid-column:span 4;}
.fg-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:#FFF1E8;border:1px solid #FFE2D2;margin-bottom:16px;
}
.fg-ico svg{width:24px;height:24px;stroke:var(--brand-1);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.fg-card h3{color:var(--ink);margin-bottom:10px;}
.fg-card p{font-size:15px;margin-bottom:0;}
.fg-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.fg-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.fg-mini-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.fg-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent);
  background:rgba(22,199,154,.10);border-radius:999px;padding:5px 12px;
}
.fg-tag.brand{color:var(--brand-1);background:rgba(255,91,46,.10);}

/* ---------- scene path ---------- */
.scene-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);position:relative;transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene-card .idx{
  font-size:13px;font-weight:800;color:#fff;background:var(--brand-grad);
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.scene-card h4{color:var(--ink);margin-bottom:8px;}
.scene-card p{font-size:14px;margin:0;}

/* ---------- metric band ---------- */
.metric-band{
  background:var(--ink);border-radius:var(--r-panel);padding:clamp(26px,4vw,42px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  box-shadow:0 24px 60px rgba(16,44,43,.18);
}
.metric{text-align:center;color:#fff;}
.metric .v{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric .k{font-size:13px;color:rgba(255,255,255,.72);margin-top:8px;}

/* ---------- accordion ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:18px!important;overflow:hidden;
  background:var(--surface);margin-bottom:12px;box-shadow:var(--shadow-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:var(--surface);
  padding:20px 22px;border-radius:18px!important;box-shadow:none!important;
}
.accordion-button:not(.collapsed){
  background:#FFF6EF;color:var(--ink);box-shadow:inset 4px 0 0 var(--brand-1)!important;
}
.accordion-button:focus{box-shadow:0 0 0 4px rgba(255,91,46,.14)!important;border-color:transparent;}
.accordion-button::after{
  content:"";background-image:none!important;width:16px!important;height:16px!important;flex:0 0 16px;
  border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:rotate(45deg);transition:transform .3s var(--ease);margin-left:16px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-panel);background:var(--ink);
  padding:clamp(30px,5vw,56px);color:#fff;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr);
  gap:clamp(22px,4vw,48px);align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:var(--brand-grad);opacity:.20;
}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.76);margin-top:14px;position:relative;z-index:2;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-note{font-size:13px;color:rgba(255,255,255,.62);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:clamp(40px,6vw,72px);position:relative;}
.site-footer::before{content:"";display:block;height:4px;background:var(--brand-grad);}
.footer-inner{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(22px,3vw,40px);
  padding:clamp(38px,5vw,62px) 0 28px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;max-width:34ch;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{color:rgba(255,255,255,.68);font-size:14px;line-height:2.2;}
.footer-col ul li a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1001;display:none;
  height:60px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -6px 22px rgba(16,44,43,.07);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-2);
}
.tab-ico{
  width:32px;height:32px;border-radius:999px;display:grid;place-items:center;
  color:var(--text-2);transition:background .28s var(--ease),color .28s var(--ease);
}
.tab-ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active{color:var(--brand-1);font-weight:700;}
.tabbar a.is-active .tab-ico{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-2);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .fg-a{grid-column:span 12;grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .fg-b{grid-column:span 6;}
  .fg-c{grid-column:span 6;margin-top:0;}
  .fg-d{grid-column:span 6;}
  .fg-e{grid-column:span 6;margin-top:0;}
  .fg-f{grid-column:span 12;}
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-card{order:2;}
  .scene-row{grid-template-columns:repeat(2,1fr);}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .main-nav{display:none;}
  .nav-inner{min-height:64px;gap:12px;}
  .nav-cta .btn-brand{padding:10px 16px;font-size:13px;}
  .tabbar{display:flex;}
  body{padding-bottom:76px;}
  .badge-group{justify-content:flex-start;}
  .fg-a{grid-template-columns:1fr;}
  .fg-card{padding:22px;}
  .site-footer .footer-inner{padding-bottom:20px;}
}
@media (max-width:575.98px){
  body{font-size:14.5px;}
  p{font-size:14.5px;}
  .fg-b,.fg-c,.fg-d,.fg-e{grid-column:span 12;}
  .scene-row{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:1fr;gap:18px;}
  .hero-actions .btn-brand,.hero-actions .btn-line{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
  .logo small{display:none;}
}

/* roulang page: category3 */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --brand-grad-hover:linear-gradient(112deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --soft:#FFF1E8;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-section:clamp(56px,8vw,104px);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);}
a:hover{color:var(--brand-1);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.24);border-radius:8px;}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section);}
.section-tight{padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(40px,5vw,64px);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),padding .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,44,43,.08);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  transition:min-height .28s var(--ease);
}
.site-header.is-scrolled .nav-inner{min-height:62px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  flex-shrink:0;
}
.logo small{
  display:block;
  font-size:10px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--text-3);
  line-height:1.2;
}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(255,91,46,.28);
  flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.main-nav a:hover{color:var(--ink);background:var(--soft);}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-cta{flex-shrink:0;}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  border:none;
  border-radius:var(--r-btn);
  background:var(--brand-grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:var(--shadow-2);
  cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-image .28s var(--ease);
}
.btn-brand:hover{color:#fff;background-image:var(--brand-grad-hover);transform:translateY(-2px);box-shadow:var(--shadow-3);}
.btn-brand:active{transform:translateY(1px);}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--r-btn);
  background:#fff;
  border:1.5px solid var(--brand-1);
  color:var(--brand-1);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.btn-line:hover{background:rgba(255,91,46,.08);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--r-btn);
  background:transparent;
  border:1.5px solid rgba(255,255,255,.5);
  color:#fff;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}

/* ---------- 通用 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-btn);
  background:var(--soft);
  color:var(--brand-1);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.crumb{
  font-size:13px;
  color:var(--text-3);
  padding:12px 0;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{margin:0 8px;color:#D9C9BC;}
.crumb .now{color:var(--brand-1);font-weight:600;}
.sec-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px);}
.sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;margin:12px 0 14px;letter-spacing:-.01em;}
.sec-head p{font-size:15px;color:var(--text-2);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(28px,4vw,44px) 0 clamp(44px,6vw,72px);
  background:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.16;
  mix-blend-mode:soft-light;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-160px;bottom:-240px;
  width:620px;height:620px;
  border-radius:50%;
  border:70px solid rgba(255,255,255,.07);
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2;}
.page-hero .crumb{color:rgba(255,255,255,.82);}
.page-hero .crumb a{color:rgba(255,255,255,.82);}
.page-hero .crumb a:hover{color:#fff;}
.page-hero .crumb .sep{color:rgba(255,255,255,.5);}
.page-hero .crumb .now{color:#fff;}
.page-hero .chip{background:rgba(255,255,255,.18);color:#fff;}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4.6vw,46px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 18px;
  max-width:14em;
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.9);
  font-size:16px;
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-actions .btn-line{background:#fff;border-color:#fff;color:var(--brand-1);}
.hero-actions .btn-line:hover{background:rgba(255,255,255,.88);color:#E8451A;}

/* ---------- 渐变横幅 ---------- */
.banner-strip{
  margin-top:clamp(-32px,-3vw,-20px);
  position:relative;
  z-index:5;
}
.banner-card{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-2);
  padding:clamp(20px,3vw,32px) clamp(20px,3.4vw,40px);
}
.banner-card .bc-text{max-width:620px;}
.banner-card h2{font-size:clamp(18px,2.3vw,24px);margin-bottom:8px;}
.banner-card p{font-size:14px;color:var(--text-2);margin:0;}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-btn);
  background:rgba(22,199,154,.12);
  color:#0F9E7B;
  font-size:12px;
  font-weight:700;
  margin-bottom:12px;
}

/* ---------- 对比矩阵 ---------- */
.matrix-shell{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-1);
  padding:clamp(6px,1.4vw,14px);
}
.matrix-scroll{overflow-x:auto;padding-bottom:6px;}
.matrix{
  min-width:760px;
  display:flex;
  flex-direction:column;
}
.matrix-head,.matrix-rowwrap{
  display:grid;
  grid-template-columns:1.25fr 1fr 1fr 1fr;
  align-items:stretch;
}
.matrix-head{
  background:var(--ink);
  border-radius:18px 18px 0 0;
  color:#fff;
  overflow:hidden;
}
.matrix-head .mcell{
  padding:20px 20px;
  font-size:15px;
  font-weight:700;
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
}
.matrix-head .mcell small{font-size:12px;font-weight:500;color:rgba(255,255,255,.62);}
.matrix-head .mcorner{font-size:14px;color:rgba(255,255,255,.7);font-weight:600;}
.matrix-head .mcell.is-featured{
  background:var(--brand-grad);
  position:relative;
}
.matrix-head .mcell.is-featured small{color:rgba(255,255,255,.85);}
.rec-flag{
  position:absolute;
  top:0;right:0;
  background:#fff;
  color:var(--brand-1);
  font-size:11px;
  font-weight:800;
  padding:3px 12px;
  border-radius:0 18px 0 12px;
  letter-spacing:.04em;
}
.matrix-body{
  border:1px solid var(--line);
  border-top:none;
  border-radius:0 0 var(--r-card) var(--r-card);
  overflow:hidden;
  background:var(--surface);
}
.matrix-rowwrap{border-bottom:1px solid var(--line);}
.matrix-rowwrap:last-child{border-bottom:none;}
.matrix-rowwrap .mcell{
  padding:16px 20px;
  font-size:14.5px;
  color:var(--text-2);
  display:flex;
  align-items:center;
  gap:8px;
}
.matrix-rowwrap .mcorner{
  font-weight:600;
  color:var(--ink);
  background:#FFFAF5;
  font-size:14px;
}
.matrix-rowwrap .mcell.is-featured{background:rgba(255,241,232,.7);color:var(--ink);font-weight:600;}
.matrix-rowwrap:hover .mcell{background:#FFFBF7;}
.matrix-rowwrap:hover .mcell.is-featured{background:var(--soft);}
.matrix-rowwrap:hover .mcorner{background:#FFF3E9;}
.tick{
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(22,199,154,.14);
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  font-weight:800;
  flex-shrink:0;
}
.matrix-foot{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:22px 20px 10px;
}
.matrix-foot p{font-size:13px;color:var(--text-3);margin:0;}

/* 移动端套餐卡 */
.plan-cards{display:none;}
.plan-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:24px 22px;
  scroll-snap-align:start;
  min-width:78%;
}
.plan-card.is-featured{border:1.5px solid var(--brand-1);background:linear-gradient(180deg,#FFF6F0,#fff 46%);box-shadow:var(--shadow-2);}
.plan-card h3{font-size:19px;margin-bottom:6px;}
.plan-card .pc-price{font-size:13px;color:var(--brand-1);font-weight:700;margin-bottom:14px;}
.plan-card ul li{
  display:flex;
  gap:8px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
  padding:7px 0;
  border-bottom:1px dashed var(--line);
}
.plan-card ul li:last-child{border-bottom:none;}
.plan-card .pc-cta{margin-top:16px;display:block;}
.plan-card .pc-cta .btn-line,.plan-card .pc-cta .btn-brand{width:100%;}

/* ---------- 阶梯（左图右表） ---------- */
.ladder{display:flex;flex-direction:column;gap:20px;}
.ladder-item{
  display:grid;
  grid-template-columns:minmax(180px,260px) 1fr;
  gap:clamp(18px,3vw,34px);
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-1);
  padding:clamp(16px,2.4vw,26px);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.ladder-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.ladder-thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/10;
  background:#F6EFE8;
}
.ladder-thumb img{width:100%;height:100%;}
.ladder-body h3{font-size:20px;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.ladder-body .lv{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-btn);
  font-size:12px;
  font-weight:700;
  background:var(--soft);
  color:var(--brand-1);
}
.lv.lv-1{background:rgba(255,194,75,.2);color:#A9741A;}
.lv.lv-2{background:var(--soft);color:var(--brand-1);}
.lv.lv-3{background:rgba(22,199,154,.14);color:#0F9E7B;}
.ladder-body > p{font-size:14px;margin-bottom:12px;}
.ladder-list{display:flex;flex-wrap:wrap;gap:10px 22px;}
.ladder-list li{
  font-size:14px;
  color:var(--text-2);
  display:flex;
  align-items:center;
  gap:8px;
}
.ladder-list li::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--brand-1);
  flex-shrink:0;
}
.ladder-item .ladder-cta{margin-top:16px;}

/* ---------- 选择建议 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:30px 26px 26px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{
  font-size:44px;
  line-height:1;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1.5px var(--brand-1);
  display:block;
  margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;}
.step-card ul{margin-top:14px;}
.step-card ul li{
  font-size:14px;
  color:var(--text-2);
  padding:6px 0 6px 18px;
  position:relative;
}
.step-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:14px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand-grad);
}
.step-card .lock{
  position:absolute;
  top:22px;right:22px;
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  background:rgba(22,199,154,.12);
  border-radius:var(--r-btn);
  padding:4px 10px;
}

/* ---------- 深色保障区 ---------- */
.dark-band{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.dark-band::before{
  content:"";
  position:absolute;
  inset:auto -120px -260px auto;
  width:520px;height:520px;
  border-radius:50%;
  border:60px solid rgba(255,255,255,.05);
}
.dark-band .container-x{position:relative;z-index:2;}
.dark-band h2{color:#fff;}
.dark-band p{color:rgba(255,255,255,.72);}
.dark-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.dark-card{
  background:var(--ink-2);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:24px 22px;
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.dark-card:hover{transform:translateY(-4px);border-color:rgba(255,158,61,.5);}
.dark-card .dc-num{
  font-size:28px;
  font-weight:800;
  color:var(--brand-2);
  line-height:1.2;
  margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.dark-card h3{color:#fff;font-size:16px;margin-bottom:8px;}
.dark-card p{font-size:13.5px;margin:0;color:rgba(255,255,255,.66);}

/* ---------- 手风琴 FAQ ---------- */
.accordion-item{
  border:1px solid var(--line)!important;
  border-radius:18px!important;
  background:var(--surface);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .28s var(--ease),background-color .28s var(--ease);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  background:var(--surface)!important;
  color:var(--ink)!important;
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none!important;
  border:none!important;
  border-radius:18px!important;
  display:flex;
  align-items:center;
  gap:14px;
}
.accordion-button::after{
  background-image:none!important;
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--brand-1);
  line-height:1;
  width:auto;height:auto;
  margin-left:auto;
  transition:transform .28s var(--ease);
  display:flex;
  align-items:center;
  justify-content:center;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
}
.accordion-button:not(.collapsed){
  background:var(--soft)!important;
  color:var(--ink)!important;
  border-left:4px solid var(--brand-1)!important;
  padding-left:20px;
}
.accordion-button:hover{background:#FFFAF5!important;}
.accordion-button:focus-visible{box-shadow:0 0 0 4px rgba(255,91,46,.2)!important;}
.accordion-body{
  padding:2px 24px 22px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  border-left:4px solid transparent;
}
.accordion-collapse.show + .accordion-body,
.accordion-item:has(.accordion-collapse.show) .accordion-body{
  border-left:4px solid var(--brand-1);
  padding-left:20px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-grad);
  border-radius:var(--r-panel);
  padding:clamp(30px,5vw,54px);
  color:#fff;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--shadow-2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  border:44px solid rgba(255,255,255,.1);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(20px,2.8vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);margin:0;max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-solid-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 30px;
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--brand-1);
  font-weight:700;
  font-size:15px;
  box-shadow:0 10px 24px rgba(16,44,43,.14);
}
.cta-actions .btn-solid-white:hover{background:#FFF3EC;color:#E8451A;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  margin-top:var(--sp-section);
  position:relative;
}
.site-footer::before{
  content:"";
  display:block;
  height:4px;
  background:var(--brand-grad);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:clamp(24px,4vw,48px);
  padding:clamp(40px,5vw,64px) 0 32px;
}
.site-footer .logo{color:#fff;margin-bottom:16px;}
.site-footer .logo small{color:rgba(255,255,255,.5);}
.site-footer .footer-brand p{
  color:rgba(255,255,255,.68);
  font-size:14px;
  max-width:34em;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{
  color:rgba(255,255,255,.68);
  font-size:14px;
  line-height:2.2;
}
.footer-col ul li a{color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  align-items:center;
  padding:18px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom span{color:rgba(255,255,255,.42);}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabs{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1050;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(16,44,43,.07);
}
.mobile-tabs ul{
  display:flex;
  height:60px;
}
.mobile-tabs li{flex:1;}
.mobile-tabs a{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  height:100%;
  font-size:11px;
  color:var(--text-3);
  font-weight:600;
}
.mobile-tabs a .tab-ico{
  width:28px;height:28px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .24s var(--ease);
}
.mobile-tabs a svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tabs a.is-active{color:var(--brand-1);}
.mobile-tabs a.is-active .tab-ico{background:var(--brand-grad);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dark-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .main-nav a{padding:8px 9px;font-size:14px;}
  .logo{font-size:15px;}
  .steps{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{padding-bottom:76px;font-size:15px;}
  .main-nav{display:none;}
  .nav-inner{min-height:62px;gap:12px;}
  .nav-cta .btn-brand{padding:9px 16px;font-size:13px;}
  .mobile-tabs{display:block;}
  .matrix-scroll{display:none;}
  .plan-cards{
    display:flex;
    gap:16px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding:4px 4px 14px;
    margin:0 -4px;
  }
  .plan-cards::-webkit-scrollbar{height:5px;}
  .plan-cards::-webkit-scrollbar-thumb{background:#EBD9CB;border-radius:99px;}
  .ladder-item{grid-template-columns:1fr;gap:16px;}
  .ladder-thumb{aspect-ratio:16/9;}
  .steps{grid-template-columns:1fr;}
  .dark-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
  .page-hero .hero-actions a{width:100%;}
  .banner-card{flex-direction:column;align-items:flex-start;}
  .banner-card .btn-brand{width:100%;}
  .matrix-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  body{font-size:14px;}
  h1{font-size:26px!important;}
  .sec-head h2{font-size:21px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .plan-card{min-width:86%;}
  .step-card{padding:24px 20px;}
}

/* roulang page: category4 */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --soft:#FFF1E8;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,104px);
  --bs-gutter-x:1.5rem;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.28);border-radius:10px;}
.tnum{font-variant-numeric:tabular-nums;}

/* 容器 */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}

/* 按钮 */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;
  border-radius:var(--r-btn);
  background:var(--brand-grad);
  background-size:130% 100%;
  background-position:0% 50%;
  color:#fff;font-weight:700;font-size:15px;
  border:0;
  box-shadow:var(--shadow-2);
  transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn-brand:hover{background-position:16% 50%;transform:translateY(-2px);box-shadow:var(--shadow-3);color:#fff;}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-brand.btn-sm{padding:10px 22px;font-size:14px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-btn);
  background:#fff;color:var(--brand-1);font-weight:700;font-size:15px;
  border:1.5px solid var(--brand-1);
  transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn-outline:hover{background:rgba(255,91,46,.08);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.08);color:#fff;font-weight:600;font-size:15px;
  border:1px solid rgba(255,255,255,.45);
  transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);color:#fff;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all .3s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(16,44,43,.07);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink);letter-spacing:-.01em;}
.logo span{display:flex;flex-direction:column;line-height:1.15;}
.logo small{font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--text-3);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,91,46,.28);
}
.logo-mark svg{width:22px;height:22px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:all .24s var(--ease);
}
.main-nav a:hover{color:var(--brand-1);background:rgba(255,91,46,.06);}
.main-nav a.is-active{color:var(--brand-1);font-weight:800;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-cta{display:flex;align-items:center;gap:12px;}

/* 移动端底部 Tab */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1200;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 24px rgba(16,44,43,.06);
}
.mobile-tab ul{display:flex;height:60px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:11px;color:var(--text-3);font-weight:600;
  transition:color .24s var(--ease);
}
.mobile-tab .tab-ico{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:all .28s var(--ease);
}
.mobile-tab svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.is-active{color:var(--brand-1);}
.mobile-tab a.is-active .tab-ico{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(255,91,46,.32);}

/* 面包屑 */
.breadcrumb-x{
  font-size:13px;color:var(--text-3);
  padding:12px 0;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb-x span.sep{color:var(--text-3);}
.breadcrumb-x a{color:var(--text-3);transition:color .2s var(--ease);}
.breadcrumb-x a:hover{color:var(--brand-1);}
.breadcrumb-x .current{color:var(--brand-1);font-weight:600;}

/* 内页 Hero */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:clamp(30px,4vw,52px) 0 clamp(48px,7vw,80px);
  margin-bottom:var(--sec);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.26;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(16,44,43,.95) 0%,rgba(16,44,43,.80) 48%,rgba(255,91,46,.52) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.page-hero .breadcrumb-x,
.page-hero .breadcrumb-x a{color:rgba(255,255,255,.68);}
.page-hero .breadcrumb-x a:hover{color:#fff;}
.page-hero .breadcrumb-x .current{color:var(--amber);}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4.6vw,46px);
  line-height:1.18;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--amber);}
.hero-sub{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-badge-list{display:flex;flex-direction:column;gap:14px;}
.hero-badge{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:16px 20px;
  backdrop-filter:blur(6px);
  transition:all .28s var(--ease);
}
.hero-badge:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.hero-badge .num{
  font-size:26px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1;
  min-width:64px;
}
.hero-badge .lbl{font-size:13px;color:rgba(255,255,255,.78);line-height:1.5;}

/* 通用板块标题 */
.sec-head{margin-bottom:36px;}
.sec-head .chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--soft);color:var(--brand-1);
  font-size:12px;font-weight:700;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;margin-bottom:10px;}
.sec-head p{color:var(--text-2);font-size:15px;max-width:720px;}

/* 快速自查 */
.check-strip{margin-bottom:var(--sec);}
.check-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.check-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:all .28s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.check-card .step{
  width:44px;height:44px;border-radius:14px;
  background:var(--soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.check-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.check-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* 主体：锚点 + 手风琴 */
.faq-section{margin-bottom:var(--sec);}
.anchor-nav{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 20px;
  box-shadow:var(--shadow-1);
}
.anchor-nav h2{font-size:17px;font-weight:800;margin-bottom:6px;}
.anchor-nav .anchor-tip{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.anchor-nav li+li{margin-top:6px;}
.anchor-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:14px;
  font-size:14px;font-weight:600;color:var(--text-2);
  border-left:4px solid transparent;
  transition:all .24s var(--ease);
}
.anchor-nav a span{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.anchor-nav a:hover{background:rgba(255,91,46,.06);color:var(--brand-1);}
.anchor-nav a.is-current{
  background:var(--soft);color:var(--brand-1);font-weight:800;
  border-left-color:var(--brand-1);
}
.anchor-nav a.is-current span{color:var(--brand-1);}
.anchor-note{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);line-height:1.75;
}

.faq-group{margin-bottom:44px;scroll-margin-top:110px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group > h3{
  font-size:20px;font-weight:700;margin-bottom:18px;
  padding-left:14px;position:relative;
}
.faq-group > h3::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:3px;background:var(--brand-grad);
}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface);
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--shadow-1);
  transition:all .28s var(--ease);
}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-2);}
.faq-accordion .accordion-header{margin:0;border:0;}
.faq-accordion .accordion-button{
  background:var(--surface);
  border:0;border-left:4px solid transparent;
  color:var(--ink);
  font-size:15.5px;font-weight:600;line-height:1.6;
  padding:18px 20px;
  box-shadow:none!important;
  transition:all .28s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--soft);color:var(--brand-1);
  border-left-color:var(--brand-1);font-weight:700;
}
.faq-accordion .accordion-button::after{
  content:"";flex:0 0 auto;
  width:12px;height:12px;
  margin-left:auto;margin-right:2px;
  background-image:none;
  border-right:2.5px solid var(--brand-1);
  border-bottom:2.5px solid var(--brand-1);
  transform:rotate(45deg);
  transition:transform .28s var(--ease);
  position:relative;top:-2px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);top:2px;}
.faq-accordion .accordion-body{
  padding:2px 24px 22px 24px;
  background:var(--soft);
  color:var(--text-2);
  font-size:14.5px;line-height:1.85;
}
.faq-accordion .accordion-body strong{color:var(--ink);}

/* 图文补充块 */
.tips-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  margin-bottom:var(--sec);
}
.tips-block .row{g--bs-gutter-x:0;}
.tips-media{
  position:relative;min-height:280px;height:100%;
  background:var(--ink);
}
.tips-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.tips-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,91,46,.30),rgba(16,44,43,.42));
}
.tips-body{padding:clamp(28px,4vw,48px);}
.tips-body h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;margin-bottom:14px;}
.tips-body > p{color:var(--text-2);font-size:15px;margin-bottom:22px;}
.tips-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.tips-list li:last-child{border-bottom:0;}
.tips-list .dot{
  flex:0 0 20px;width:20px;height:20px;border-radius:6px;
  background:rgba(22,199,154,.14);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;margin-top:4px;
}

/* 未解决引导条 */
.help-bar{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  background:var(--brand-grad);
  padding:clamp(30px,4.5vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-2);
  margin-bottom:var(--sec);
}
.help-bar::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  border:36px solid rgba(255,255,255,.10);
}
.help-bar .hb-text{position:relative;z-index:2;max-width:640px;}
.help-bar h2{color:#fff;font-size:clamp(20px,2.8vw,28px);font-weight:800;margin-bottom:10px;}
.help-bar p{color:rgba(255,255,255,.88);font-size:15px;line-height:1.8;}
.help-bar .hb-btn{position:relative;z-index:2;}
.help-bar .btn-white{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-btn);
  background:#fff;color:var(--brand-1);font-weight:800;font-size:15px;
  box-shadow:0 12px 28px rgba(16,44,43,.18);
  transition:all .28s var(--ease);white-space:nowrap;
}
.help-bar .btn-white:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(16,44,43,.24);}

/* 页脚 */
.site-footer{
  position:relative;
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding-top:52px;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--brand-grad);
}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:38px;
}
.site-footer .logo{color:#fff;font-size:15px;}
.site-footer .logo small{color:rgba(255,255,255,.45);}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.85;
  color:rgba(255,255,255,.62);max-width:320px;
}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;
}
.footer-col li{line-height:2.2;font-size:14px;color:rgba(255,255,255,.62);}
.footer-col a{color:rgba(255,255,255,.62);transition:color .22s var(--ease);}
.footer-col a:hover{color:var(--amber);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .container-x{display:flex;justify-content:space-between;width:100%;}

/* 响应式 */
@media (max-width:1199px){
  .footer-inner{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991px){
  .main-nav{gap:2px;}
  .main-nav a{padding:9px 10px;font-size:14px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .tips-media{min-height:230px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .mobile-tab{display:block;}
  .nav-inner{height:64px;}
  .site-header.is-scrolled .nav-inner{height:60px;}
  .logo{font-size:14px;}
  .logo small{display:none;}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
  .anchor-nav{position:static;}
  .anchor-nav ul{
    display:flex;gap:10px;overflow-x:auto;
    padding-bottom:8px;margin:0 -4px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .anchor-nav ul::-webkit-scrollbar{height:0;}
  .anchor-nav li{flex:0 0 auto;}
  .anchor-nav li+li{margin-top:0;}
  .anchor-nav a{
    border-left:0;border-radius:999px;
    background:var(--soft);color:var(--brand-1);
    padding:9px 16px;font-size:13px;white-space:nowrap;
    scroll-snap-align:start;
  }
  .anchor-nav a span{display:none;}
  .anchor-nav a:hover{transform:none;}
  .anchor-note{margin-top:12px;padding-top:14px;}
  .check-grid{grid-template-columns:1fr;gap:16px;}
  .hero-actions .btn-brand,
  .hero-actions .btn-ghost{width:100%;}
  .help-bar{flex-direction:column;align-items:flex-start;}
  .help-bar .btn-white{width:100%;justify-content:center;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-col:last-child{grid-column:span 2;}
  .footer-brand{grid-column:span 2;}
  .footer-bottom .container-x{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .page-hero{padding-top:16px;}
  .hero-badge{padding:14px 16px;gap:10px;}
  .hero-badge .num{font-size:22px;min-width:52px;}
  .faq-accordion .accordion-button{font-size:14.5px;padding:16px 16px;}
  .faq-accordion .accordion-body{padding:2px 18px 20px 18px;font-size:14px;}
  .tips-body{padding:24px 20px;}
  .btn-brand,.btn-outline,.btn-ghost{width:100%;}
}

/* roulang page: category5 */
:root{
  --brand-1:#FF5B2E;
  --brand-2:#FF9E3D;
  --brand-grad:linear-gradient(120deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --brand-grad-soft:linear-gradient(112deg,#FF5B2E 0%,#FF8A2F 55%,#FFB03D 100%);
  --ink:#102C2B;
  --ink-2:#1C4442;
  --accent:#16C79A;
  --amber:#FFC24B;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --line:#F2E5DA;
  --text:#1B2B2A;
  --text-2:#5D6E6D;
  --text-3:#94A3A2;
  --r-card:22px;
  --r-panel:28px;
  --r-btn:999px;
  --r-badge:10px;
  --r-img:16px;
  --shadow-1:0 2px 8px rgba(16,44,43,.05);
  --shadow-2:0 14px 36px rgba(255,91,46,.10),0 2px 8px rgba(16,44,43,.05);
  --shadow-3:0 20px 48px rgba(255,91,46,.16);
  --t:.28s cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-1);text-decoration:none;}
a:hover{color:var(--brand-1);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.18;font-weight:800;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.4;font-weight:600;}
h4{font-size:16px;font-weight:600;line-height:1.5;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,91,46,.28);border-radius:8px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px);}
.sec{padding:var(--sec) 0;}
.sec-tight{padding:clamp(36px,5vw,64px) 0;}
.sec-head{max-width:720px;margin-bottom:clamp(28px,4vw,44px);}
.sec-sub{color:var(--text-2);font-size:15px;line-height:1.8;margin:0;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用组件 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  background:#FFF1E8;color:var(--brand-1);font-size:12px;font-weight:700;
  border-radius:999px;letter-spacing:.02em;margin-bottom:14px;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border:none;border-radius:var(--r-btn);
  background:var(--brand-grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:var(--shadow-2);cursor:pointer;transition:var(--t);white-space:nowrap;
}
.btn-brand:hover{color:#fff;background:var(--brand-grad-soft);transform:translateY(-2px);box-shadow:var(--shadow-3);}
.btn-brand:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,91,46,.22);}
.btn-brand.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);background:#fff;
  border:1.5px solid var(--brand-1);color:var(--brand-1);font-size:15px;font-weight:700;
  transition:var(--t);cursor:pointer;white-space:nowrap;
}
.btn-line:hover{background:rgba(255,91,46,.08);color:var(--brand-1);transform:translateY(-2px);}
.btn-line:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);background:transparent;
  border:1.5px solid rgba(255,255,255,.42);color:#fff;font-size:15px;font-weight:700;transition:var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(16,44,43,.08);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:22px;height:78px;transition:var(--t);}
.site-header.is-scrolled .nav-inner{height:66px;}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;box-shadow:0 8px 18px rgba(255,91,46,.28);flex:0 0 auto;
}
.logo-mark svg{width:21px;height:21px;}
.logo > span{display:flex;flex-direction:column;line-height:1.1;font-weight:800;font-size:16.5px;letter-spacing:-.01em;}
.logo small{font-size:9px;font-weight:700;letter-spacing:.16em;color:var(--text-3);margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:8px 0;transition:color .2s;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;border-radius:2px;
  background:var(--brand-grad);transform:translateX(-50%);transition:width .28s cubic-bezier(.2,.7,.3,1);
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{width:18px;}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{width:26px;}
.nav-cta{flex:0 0 auto;}

/* ---------- 内页 Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;padding:clamp(48px,7vw,88px) 0 clamp(44px,6vw,76px);
  background:
    radial-gradient(120% 130% at 88% 12%,rgba(255,176,61,.35) 0%,rgba(255,176,61,0) 52%),
    linear-gradient(115deg,#102C2B 0%,#16403D 52%,#1C4442 100%);
  color:#fff;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.page-banner .container-x{position:relative;z-index:2;}
.page-banner h1{color:#fff;max-width:900px;}
.banner-sub{max-width:720px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.85;margin:18px 0 0;}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner-meta span{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.86);
}
.banner-meta svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.breadcrumb-x{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.55);margin-bottom:18px;
}
.breadcrumb-x a{color:rgba(255,255,255,.72);}
.breadcrumb-x a:hover{color:#fff;}
.breadcrumb-x .current{color:var(--brand-2);font-weight:600;}

/* ---------- 表单区 ---------- */
.form-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:clamp(22px,3.4vw,40px);box-shadow:var(--shadow-1);
}
.form-panel h2{margin-bottom:10px;}
.form-panel .sec-sub{margin-bottom:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 20px;}
.field{display:flex;flex-direction:column;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:9px;}
.field label .req{color:var(--brand-1);margin-left:4px;}
.field input,
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:14px;background:#FFFDFB;
  font-size:15px;color:var(--text);padding:0 16px;height:52px;transition:var(--t);
  font-family:inherit;
}
.field textarea{height:auto;min-height:132px;padding:14px 16px;line-height:1.75;resize:vertical;}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235D6E6D' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,91,46,.14);}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-1);flex:0 0 auto;}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px;}
.form-actions .btn-brand{min-width:180px;}
.form-note{font-size:13px;color:var(--text-3);}
.form-alert{
  display:none;margin-top:18px;padding:14px 18px;border-radius:14px;
  background:#EAFBF5;border:1px solid rgba(22,199,154,.32);color:#0E7A5F;font-size:14px;
}
.form-alert.is-show{display:block;}

/* ---------- 右侧信息卡 ---------- */
.help-side{display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:var(--t);
}
.side-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
.side-card .ico{
  width:44px;height:44px;border-radius:14px;background:#FFF1E8;display:grid;place-items:center;margin-bottom:16px;
}
.side-card .ico svg{width:22px;height:22px;stroke:var(--brand-1);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.side-card h3{margin-bottom:12px;font-size:18px;}
.side-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:8px;}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--brand-1);opacity:.75;
}
.side-list.ok li::before{
  top:8px;width:14px;height:14px;border-radius:5px;background:rgba(22,199,154,.14);
  box-shadow:inset 0 0 0 1.6px var(--accent);
}
.side-cta{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.side-cta .btn-brand,
.side-cta .btn-line{width:100%;}

/* ---------- 指标徽章带 ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:clamp(20px,3vw,32px);box-shadow:var(--shadow-1);
}
.metric{text-align:center;padding:6px 10px;}
.metric + .metric{border-left:1px dashed var(--line);}
.metric-num{
  font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.metric-num small{font-size:.62em;font-weight:700;margin-left:2px;}
.metric-label{font-size:13.5px;color:var(--text-2);margin-top:8px;line-height:1.6;}

/* ---------- 流程 ---------- */
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow-1);transition:var(--t);
}
.step-item:hover{box-shadow:var(--shadow-3);transform:translateY(-4px);}
.step-num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background:var(--brand-grad);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;box-shadow:0 8px 18px rgba(255,91,46,.24);
}
.step-item h3{font-size:18px;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ---------- 自助排查 ---------- */
.figure-card{
  border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);position:relative;background:#fff;
}
.figure-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.figure-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,91,46,0) 45%,rgba(16,44,43,.42) 100%);
  pointer-events:none;
}
.check-list{margin-top:8px;}
.check-list li{
  position:relative;padding-left:34px;margin-bottom:14px;font-size:15px;color:var(--text-2);line-height:1.8;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:7px;
  background:rgba(22,199,154,.13);box-shadow:inset 0 0 0 1.6px var(--accent);
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:9px;width:8px;height:4px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;transition:var(--t);box-shadow:var(--shadow-1);
}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;text-align:left;padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:var(--t);
}
.faq-head:hover{color:var(--brand-1);}
.faq-icon{
  position:relative;flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:#FFF1E8;
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-1);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s;}
.faq-head[aria-expanded="true"] .faq-icon{transform:rotate(135deg);background:var(--brand-1);}
.faq-head[aria-expanded="true"] .faq-icon::before,
.faq-head[aria-expanded="true"] .faq-icon::after{background:#fff;}
.faq-head[aria-expanded="true"]{color:var(--brand-1);}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--text-2);line-height:1.85;}
.faq-item.is-open{box-shadow:inset 4px 0 0 var(--brand-1),var(--shadow-2);background:#FFFBF7;}

/* ---------- CTA 深色区 ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  background:linear-gradient(112deg,#102C2B 0%,#16403D 60%,#1C4442 100%);
  padding:clamp(28px,4vw,50px);display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:26px;color:#fff;box-shadow:var(--shadow-2);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,91,46,.42) 0%,rgba(255,91,46,0) 68%);
}
.cta-panel > div{position:relative;z-index:2;}
.cta-panel h2{color:#fff;margin-bottom:10px;}
.cta-panel p{color:rgba(255,255,255,.76);font-size:15px;max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.78);
  padding-top:clamp(48px,6vw,72px);margin-top:clamp(48px,6vw,80px);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-grad);
}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;
  padding-bottom:clamp(32px,4vw,48px);
}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand .logo > span{color:#fff;}
.footer-brand .logo small{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{font-size:14px;line-height:2.2;color:rgba(255,255,255,.66);}
.footer-col a{color:rgba(255,255,255,.66);transition:var(--t);}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;padding-bottom:24px;font-size:13px;color:var(--text-3);
  border-top:1px solid rgba(255,255,255,.1);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .main-nav{gap:20px;}
  .main-nav a{font-size:14.5px;}
}
@media (max-width:991.98px){
  .nav-inner{height:70px;gap:14px;}
  .main-nav{gap:16px;}
  .main-nav a{font-size:14px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .metric-band{grid-template-columns:repeat(2,1fr);gap:22px;}
  .metric:nth-child(3){border-left:none;}
  .step-row{grid-template-columns:1fr;gap:16px;}
  .help-side{position:static;}
}
@media (max-width:767.98px){
  body{padding-bottom:76px;font-size:15px;}
  .main-nav,.nav-cta{display:none;}
  .nav-inner{height:64px;}
  .logo > span{font-size:15.5px;}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:2px;font-size:11px;font-weight:500;color:var(--text-3);transition:var(--t);
  }
  .tab-item .tab-ico{
    width:28px;height:28px;border-radius:50%;display:grid;place-items:center;transition:var(--t);
  }
  .tab-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .tab-item.is-active{color:var(--brand-1);font-weight:700;}
  .tab-item.is-active .tab-ico{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(255,91,46,.3);}
  .form-grid{grid-template-columns:1fr;gap:16px;}
  .form-actions .btn-brand{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,
  .cta-actions .btn-ghost{width:100%;}
  .page-banner{padding:36px 0 42px;}
  .banner-sub{font-size:15px;}
}
@media (max-width:575.98px){
  body{font-size:13.5px;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  .metric-band{grid-template-columns:1fr;gap:16px;}
  .metric + .metric{border-left:none;border-top:1px dashed var(--line);padding-top:16px;}
  .footer-inner{grid-template-columns:1fr;}
  .form-panel{padding:20px 18px;border-radius:20px;}
  .side-card{padding:20px;}
  .faq-head{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
  .cta-panel{padding:24px 20px;}
}