/* roulang page: index */
:root{
  --brand:#F4571B;
  --brand-dark:#D8460F;
  --brand-soft:rgba(244,87,27,.10);
  --deep:#0B3B2E;
  --deep-soft:rgba(11,59,46,.08);
  --yellow:#FFC24A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#1C1F1D;
  --muted:#5C6660;
  --border:#E4E1D8;
  --danger:#C0392B;
  --radius-card:18px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 6px 20px rgba(11,59,46,.07);
  --shadow-hover:0 12px 30px rgba(11,59,46,.12);
  --pad-section:72px;
  --pad-section-m:44px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.32;margin:0}
h1{font-size:34px;line-height:1.25}
h2{font-size:26px}
h3{font-size:19px;line-height:1.45}
h4{font-size:17px}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
li{margin-bottom:.4em}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container-xxl{width:100%;max-width:1320px;margin:0 auto;padding:0 20px}
.section{padding:var(--pad-section) 0}
.section--alt{background:#FFFFFF}
.section--deep{background:linear-gradient(135deg,#0B3B2E 0%,#0E4A38 100%);color:#fff}
.section-head{margin-bottom:28px;max-width:760px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.section--deep .section-head p{color:rgba(255,255,255,.78)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(11,59,46,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:var(--deep);position:relative;overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;width:20px;height:20px;background:var(--brand);border-radius:5px;left:9px;top:9px;transform:rotate(45deg)}
.brand-mark::after{content:"";position:absolute;width:8px;height:8px;background:var(--yellow);border-radius:50%;right:5px;bottom:5px}
.brand-text{font-size:17px;font-weight:700;color:var(--deep);letter-spacing:.01em;white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.12em}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-menu li{margin:0}
.nav-link-c{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:15px;font-weight:500;color:var(--text);border-radius:8px;
}
.nav-link-c::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link-c:hover{color:var(--brand)}
.nav-link-c:hover::after{transform:scaleX(1)}
.nav-link-c.active{color:var(--brand);font-weight:700}
.nav-link-c.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(244,87,27,.24)}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--deep);color:var(--deep)}
.btn-ghost:hover{background:var(--deep-soft);color:var(--deep)}
.btn-main.is-disabled,.btn-ghost.is-disabled{opacity:.45;pointer-events:none}
.btn-link-c{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--deep);
  border-bottom:2px solid var(--brand);padding-bottom:2px;
}
.btn-link-c:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;border-top:1px solid var(--border);background:#fff;padding:12px 0 18px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;font-size:16px;color:var(--text);border-bottom:1px dashed var(--border);
}
.mobile-panel a:last-child{border-bottom:0}

/* ===== Hero ===== */
.hero{padding:56px 0 64px;background:var(--bg);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--muted);margin-bottom:26px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.hero-strip{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
  padding:14px 18px;background:#fff;border:1px solid var(--border);
  border-radius:14px;font-size:13.5px;color:var(--muted);
}
.hero-strip strong{color:var(--deep)}
.hero-strip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;margin-right:8px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:18px;box-shadow:var(--shadow-card);
}
.hero-badge{
  position:absolute;left:18px;bottom:-16px;background:var(--yellow);color:#3A2A00;
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:999px;
  box-shadow:0 8px 18px rgba(11,59,46,.16);
}

/* ===== 数据条 ===== */
.stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}
.stat-item{text-align:left;border-left:3px solid var(--brand);padding-left:16px}
.stat-item:nth-child(2){border-left-color:var(--yellow)}
.stat-item:nth-child(3){border-left-color:var(--deep)}
.stat-item:nth-child(4){border-left-color:var(--brand)}
.stat-num{font-size:30px;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:16px;color:var(--brand);margin-left:2px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ===== 优惠阶梯 ===== */
.ladder{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ladder-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.ladder-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:3px;background:var(--brand);border-radius:0 0 4px 4px;
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.ladder-card:nth-child(2){margin-top:26px}
.ladder-card:nth-child(3){margin-top:52px}
.ladder-step{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;margin-bottom:10px}
.ladder-card h3{margin-bottom:10px}
.ladder-cond{font-size:14px;color:var(--muted);margin-bottom:14px}
.ladder-list{list-style:none;padding:0;margin:0 0 18px}
.ladder-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--text);margin-bottom:8px;
}
.ladder-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--yellow);transform:rotate(45deg);
}

/* ===== 套餐对比 ===== */
.compare-scroll{overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.compare-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:0;min-width:760px;
  border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;background:#fff}
.compare-grid > div{padding:16px 18px;border-bottom:1px solid var(--border);font-size:14.5px}
.compare-grid .head{background:var(--deep);color:#fff;font-weight:700;font-size:15px;border-bottom-color:rgba(255,255,255,.12)}
.compare-grid .head .tagline{display:block;font-size:12px;font-weight:400;color:var(--yellow);margin-top:4px}
.compare-grid .row-label{font-weight:700;color:var(--deep);background:#FCFBF8}
.compare-grid .col-a{background:#fff}
.compare-grid .col-b{background:#FDFAF6}
.compare-grid .col-c{background:#fff}
.compare-grid .last{border-bottom:0}
.check{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--deep)}
.check::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--brand-soft);border:1.5px solid var(--brand);flex-shrink:0;position:relative}
.check.yes::after{content:"";position:absolute;margin-left:5px;width:5px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg) translateY(-2px)}
.no{color:var(--muted);font-size:14px}

/* ===== 限时条 ===== */
.limited{padding:52px 0}
.limited-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.limited h2{color:#fff;margin-bottom:10px}
.limited p{color:rgba(255,255,255,.8);max-width:560px;margin:0}
.countdown{display:flex;gap:12px}
.count-box{
  min-width:78px;text-align:center;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,194,74,.4);border-radius:14px;padding:12px 10px;
}
.count-box b{display:block;font-size:28px;color:var(--yellow);font-variant-numeric:tabular-nums;line-height:1.15}
.count-box i{font-style:normal;font-size:12px;color:rgba(255,255,255,.7)}
.limited .btn-main{background:var(--yellow);color:#3A2A00;box-shadow:none}
.limited .btn-main:hover{background:#FFD173;color:#3A2A00}

/* ===== CMS 资讯 ===== */
.cms-news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease;height:100%;
}
.cms-news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.cms-news-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--deep)}
.cms-news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.cms-badge{
  align-self:flex-start;display:inline-block;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.cms-news-body h3{margin-bottom:10px}
.cms-news-body h3 a{color:var(--text)}
.cms-news-body h3 a:hover{color:var(--brand)}
.cms-news-excerpt{
  color:var(--muted);font-size:14.5px;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);
}
.cms-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--border);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;box-shadow:var(--shadow-card);
}
.cms-empty-art{
  width:96px;height:96px;margin:0 auto 18px;border-radius:24px;background:var(--deep);
  position:relative;overflow:hidden;
}
.cms-empty-art::before{content:"";position:absolute;width:44px;height:44px;background:var(--brand);border-radius:10px;left:26px;top:26px;transform:rotate(45deg)}
.cms-empty-art::after{content:"";position:absolute;width:16px;height:16px;background:var(--yellow);border-radius:50%;right:12px;bottom:12px}
.cms-empty h3{margin-bottom:10px}
.cms-empty p{color:var(--muted);margin-bottom:18px}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;border-left:3px solid var(--deep);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item.is-open{border-left-color:var(--brand);box-shadow:var(--shadow-card)}
.faq-btn{
  width:100%;text-align:left;background:transparent;border:0;padding:18px 56px 18px 20px;
  font-size:16px;font-weight:700;color:var(--deep);position:relative;cursor:pointer;
}
.faq-btn::after{
  content:"";position:absolute;right:22px;top:24px;width:9px;height:9px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item.is-open .faq-btn::after{transform:rotate(-135deg);top:26px}
.faq-body{display:none;padding:0 20px 20px;color:var(--muted);font-size:15px}
.faq-item.is-open .faq-body{display:block}

/* ===== 表单 ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.trust-list{list-style:none;padding:0;margin:0}
.trust-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--border);
}
.trust-list li:last-child{border-bottom:0}
.trust-ico{
  width:34px;height:34px;border-radius:10px;background:var(--brand-soft);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;font-size:14px;
}
.trust-list b{display:block;color:var(--text);font-size:15px;margin-bottom:2px}
.trust-list span{color:var(--muted);font-size:14px}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:700;color:var(--deep);margin-bottom:8px}
.form-control-c{
  width:100%;height:44px;padding:0 14px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius-btn);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea.form-control-c{height:auto;padding:12px 14px;resize:vertical;min-height:110px;line-height:1.7}
.form-control-c:focus{
  outline:none;border:2px solid var(--brand);background:#FFF8F5;
}
.form-control-c.is-error{border-color:var(--danger)}
.err-text{display:none;color:var(--danger);font-size:13px;margin-top:6px}
.err-text.show{display:block}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.checkbox-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);flex-shrink:0}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;margin-bottom:0}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(135deg,#0B3B2E 0%,#0E4A38 100%);color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.6)}
.footer-desc{color:rgba(255,255,255,.72);font-size:14px;margin-top:16px;max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.75);font-size:14.5px}
.footer-links a:hover{color:var(--yellow)}
.footer-contact{color:rgba(255,255,255,.75);font-size:14.5px;line-height:2}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ===== 移动底部 Tab ===== */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab-inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:var(--muted);position:relative;
}
.mobile-tab a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7}
.mobile-tab a.active{color:var(--brand);font-weight:700}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--brand);border-radius:0 0 3px 3px;
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero-grid{gap:36px}
}
@media (max-width:991.98px){
  h1{font-size:30px}
  h2{font-size:23px}
  .nav-menu,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .hero{padding:40px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .ladder{grid-template-columns:1fr;gap:18px}
  .ladder-card:nth-child(2),.ladder-card:nth-child(3){margin-top:0}
  .cms-news-list{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:52px 0}
}
@media (max-width:767.98px){
  .section{padding:var(--pad-section-m) 0}
  .cms-news-list{grid-template-columns:1fr}
  .limited{padding:44px 0}
  .limited-inner{flex-direction:column;align-items:flex-start}
  .count-box{min-width:66px}
  .count-box b{font-size:24px}
}
@media (max-width:575.98px){
  body{padding-bottom:72px}
  .container-xxl{padding:0 16px}
  h1{font-size:26px}
  h2{font-size:21px}
  body{font-size:15.5px;line-height:1.85}
  .nav-wrap{height:64px}
  .brand-text{font-size:15px}
  .brand-text small{font-size:10px}
  .nav-cta .btn-main{padding:10px 16px;font-size:14px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .form-card{padding:20px}
  .form-card .btn-main{width:100%}
  .mobile-tab{display:block}
  .compare-grid .head{font-size:14px}
}

/* roulang page: article */
:root{
  --brand:#F4571B;
  --brand-dark:#D8460F;
  --brand-soft:#FDEDE5;
  --deep:#0B3B2E;
  --deep-soft:rgba(11,59,46,.08);
  --yellow:#FFC24A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#1C1F1D;
  --muted:#5C6660;
  --line:#E4E1D8;
  --danger:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(11,59,46,.07);
  --sh-hover:0 12px 30px rgba(11,59,46,.12);
  --sec-pad:72px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-weight:700;color:var(--text);margin:0;line-height:1.35}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
.container-xxl{width:100%;max-width:1320px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(11,59,46,.08)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0 55%,var(--deep) 55% 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:11px;border-radius:4px;background:#fff;opacity:.9;
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-weight:700;font-size:18px;color:var(--deep);letter-spacing:.2px;
}
.brand-text small{
  font-size:10px;font-weight:500;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;
}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link-c{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;font-weight:500;color:var(--text);border-radius:8px;
}
.nav-link-c::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link-c:hover{color:var(--brand)}
.nav-link-c:hover::after{transform:scaleX(1)}
.nav-link-c.active{color:var(--brand);font-weight:700}
.nav-link-c.active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  padding:11px 20px;border-radius:var(--r-btn);white-space:nowrap;
  transition:background .2s ease,transform .2s ease;
}
.header-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:10px;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--deep)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* mobile drawer */
.mobile-panel{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  padding:12px 20px 20px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;border-bottom:1px dashed var(--line);
  font-size:16px;color:var(--text);font-weight:500;
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:var(--brand);font-weight:700}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#BFC4BE}
.crumb .now{color:var(--deep);font-weight:600}

/* ---------- article ---------- */
.article-wrap{padding:56px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:40px 44px 44px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:28px}
.badge-cat{
  display:inline-block;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
  letter-spacing:.4px;margin-bottom:14px;
}
.article-head h1{font-size:34px;line-height:1.4;margin-bottom:16px;letter-spacing:.2px}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.cms-article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--text)}
.cms-article-body h2{
  font-size:26px;line-height:1.45;margin:1.6em 0 .8em;padding-left:14px;
  border-left:4px solid var(--brand);
}
.cms-article-body h3{font-size:19px;margin:1.5em 0 .7em}
.cms-article-body h4{font-size:17px;margin:1.4em 0 .6em}
.cms-article-body p{margin:0 0 1.2em}
.cms-article-body ul,.cms-article-body ol{margin:0 0 1.4em;padding-left:22px}
.cms-article-body ul{list-style:disc}
.cms-article-body ol{list-style:decimal}
.cms-article-body li{margin-bottom:.6em;line-height:1.85}
.cms-article-body img{
  border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-card);
}
.cms-article-body blockquote{
  background:#FBF8F1;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:1.6em 0;color:var(--muted);
}
.cms-article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.cms-article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.cms-article-body th,.cms-article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.cms-article-body th{background:#FBF8F1;font-weight:700}
.notice-empty{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:#FCFBF8;
}
.notice-empty .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:linear-gradient(135deg,var(--deep) 0 60%,var(--brand) 60% 100%);
}
.notice-empty h3{font-size:19px;margin-bottom:10px}
.notice-empty p{color:var(--muted);font-size:14px}

/* sidebar */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:24px;margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list li+li{margin-top:14px}
.side-list a{display:block;font-size:14px;line-height:1.6;color:var(--text);font-weight:500}
.side-list a:hover{color:var(--brand)}
.side-list .date{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.side-cta{
  background:linear-gradient(135deg,var(--deep),#12503E);color:#fff;
  border-radius:var(--r-card);padding:24px;text-align:left;
}
.side-cta p{color:rgba(255,255,255,.78);font-size:13px;margin-bottom:16px}
.side-cta strong{display:block;font-size:18px;margin-bottom:8px;color:#fff}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid var(--brand);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-brand:focus-visible,.btn-outline-c:focus-visible,.header-cta:focus-visible{
  outline:3px solid rgba(244,87,27,.45);outline-offset:2px;
}
.btn-outline-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--deep);font-weight:700;font-size:15px;
  padding:11px 20px;border-radius:var(--r-btn);border:1px solid var(--deep);
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-outline-c:hover{background:var(--deep-soft);color:var(--deep);transform:translateY(-1px)}
.btn-quiet{background:transparent;border:1px solid var(--line);color:var(--deep);padding:11px 18px;border-radius:var(--r-btn);font-weight:600}
.btn-quiet:hover{border-color:var(--brand);color:var(--brand)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand);
  border-bottom:2px solid rgba(244,87,27,.35);padding-bottom:2px;
}
.link-arrow:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}

/* related */
.related-sec{padding:8px 0 0}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:26px;margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:15px;margin:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card-cms{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card-cms:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.card-cms .thumb{position:relative;aspect-ratio:16/9;background:var(--deep);overflow:hidden}
.card-cms .thumb img{width:100%;height:100%;object-fit:cover}
.card-cms .body{padding:20px 20px 22px}
.card-cms .tag{
  display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12px;
  font-weight:700;padding:4px 10px;border-radius:var(--r-pill);margin-bottom:12px;
}
.card-cms h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.card-cms p{font-size:14px;color:var(--muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-cms .foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

.article-nav{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.article-nav .links{display:flex;gap:12px;flex-wrap:wrap}

/* to top */
.to-top{
  position:fixed;right:22px;bottom:92px;width:46px;height:46px;border-radius:50%;
  background:var(--deep);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(11,59,46,.25);z-index:900;opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand);transform:translateY(-2px)}
.to-top svg{width:18px;height:18px}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(135deg,#0B3B2E 0%,#12503E 100%);
  color:#fff;margin-top:60px;padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px;
}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.6)}
.footer-brand .brand-mark::after{background:#fff}
.footer-desc{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:16px 0 0;max-width:340px}
.footer-title{font-size:15px;font-weight:700;margin:0 0 16px;color:#fff}
.footer-links li+li{margin-top:10px}
.footer-links a{color:rgba(255,255,255,.74);font-size:14px}
.footer-links a:hover{color:var(--yellow)}
.footer-contact{color:rgba(255,255,255,.74);font-size:14px;line-height:1.9;margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- mobile tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1100;
  background:#fff;border-top:1px solid var(--line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 18px rgba(11,59,46,.06);
}
.mobile-tab ul{display:flex}
.mobile-tab li{flex:1}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10px;color:var(--muted);padding:4px 0 2px;
}
.mobile-tab a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}
.mobile-tab a.active{color:var(--brand);font-weight:700}
.mobile-tab a.active::before{
  content:"";position:absolute;top:-7px;width:26px;height:2px;background:var(--brand);border-radius:2px;
}

@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 290px;gap:26px}
  .article-card{padding:34px 32px 38px}
}
@media (max-width:991px){
  :root{--sec-pad:52px}
  .nav-menu,.header-cta{display:none}
  .nav-toggle{display:flex}
  .article-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .article-head h1{font-size:28px}
  .cms-article-body h2{font-size:22px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.85;padding-bottom:72px}
  .article-wrap{padding:36px 0 48px}
  .article-card{padding:24px 18px 28px;border-radius:16px}
  .article-head h1{font-size:24px}
  .crumb{font-size:12px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .site-footer{padding-top:42px}
  .mobile-tab{display:block}
  .to-top{bottom:80px;right:14px;width:42px;height:42px}
  .article-nav{flex-direction:column;align-items:stretch}
  .article-nav .links{flex-direction:column}
  .article-nav .btn-quiet,.article-nav .btn-brand{width:100%}
}
@media (max-width:575px){
  .container-xxl{padding:0 16px}
  .cms-article-body h2{font-size:20px;padding-left:12px}
  .sec-head h2{font-size:21px}
}

/* roulang page: category1 */
:root{
  --primary:#F4571B;
  --primary-dark:#D8460F;
  --primary-soft:#FDEDE5;
  --ink:#0B3B2E;
  --ink-soft:#14513F;
  --accent:#FFC24A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#1C1F1D;
  --muted:#5C6660;
  --line:#E4E1D8;
  --danger:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-img:14px;
  --shadow-card:0 6px 20px rgba(11,59,46,.07);
  --shadow-hover:0 12px 30px rgba(11,59,46,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(244,87,27,.55);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.container-xxl{width:100%;max-width:1320px;margin:0 auto;padding-left:20px;padding-right:20px}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;line-height:1.35}
h1{font-size:34px;line-height:1.25}
h2{font-size:26px}
h3{font-size:19px;line-height:1.5}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
.section{padding:72px 0}
.section-alt{background:#FFFFFF}
.section-ink{background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);color:#EAF2EE}
.section-ink h2,.section-ink h3{color:#FFFFFF}
.section-head{max-width:760px;margin-bottom:24px}
.section-head p{color:var(--muted);font-size:15.5px;margin-top:12px}
.section-ink .section-head p{color:rgba(234,242,238,.8)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#FFFFFF;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(11,59,46,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#F4571B,#FF8A4C);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:10px;border-radius:4px;background:#FFFFFF;opacity:.92}
.brand-text{display:flex;flex-direction:column;font-weight:700;font-size:17px;line-height:1.15;color:var(--ink);letter-spacing:.2px}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:2px;color:var(--muted);margin-top:2px}
.nav-menu{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:4px}
.nav-link-c{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);border-radius:8px}
.nav-link-c::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left center;transition:transform .25s ease}
.nav-link-c:hover{color:var(--primary)}
.nav-link-c:hover::after,.nav-link-c.active::after{transform:scaleX(1)}
.nav-link-c.active{color:var(--primary)}
.header-cta{flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#FFFFFF;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 侧滑面板 */
.side-panel{position:fixed;top:0;right:0;bottom:0;width:280px;background:#FFFFFF;z-index:90;transform:translateX(105%);transition:transform .3s ease;box-shadow:-10px 0 30px rgba(11,59,46,.14);padding:24px 20px;overflow-y:auto}
.side-panel.open{transform:translateX(0)}
.side-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.side-panel-head strong{color:var(--ink);font-size:16px}
.side-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#FFFFFF;cursor:pointer;color:var(--ink)}
.side-panel ul{list-style:none;margin:0 0 20px;padding:0}
.side-panel li a{display:block;padding:12px 14px;border-radius:10px;font-size:15.5px;font-weight:500;color:var(--text);border:1px solid transparent}
.side-panel li a:hover{background:var(--primary-soft);color:var(--primary)}
.side-panel li a.active{background:var(--primary-soft);color:var(--primary);border-color:rgba(244,87,27,.25)}
.panel-mask{position:fixed;inset:0;background:rgba(11,59,46,.42);z-index:80;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.panel-mask.show{opacity:1;visibility:visible}

/* 按钮 */
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-main{background:var(--primary);border-color:var(--primary);color:#FFFFFF}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 20px rgba(216,70,15,.24)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(11,59,46,.08);color:var(--ink);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.is-disabled,.btn-main:disabled,.btn-ghost:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--primary);padding-bottom:2px}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{color:var(--primary)}
.link-arrow:hover::after{transform:translateX(3px)}

/* 面包屑 */
.breadcrumb-bar{padding:18px 0 0}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13.5px;color:var(--muted)}
.breadcrumb-list li+li::before{content:"›";margin-right:8px;color:var(--line)}
.breadcrumb-list a:hover{color:var(--primary)}

/* 分类 Hero */
.cat-hero{background:#FFFFFF;padding:26px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-copy h1{margin-bottom:16px}
.hero-copy h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-note{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:12px 18px;background:var(--bg);border:1px solid var(--line);border-radius:12px;font-size:13.5px;color:var(--muted)}
.hero-note strong{color:var(--ink);font-weight:600}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.media-badge{position:absolute;top:14px;left:14px;background:var(--accent);color:#4A3200;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;letter-spacing:.5px}
.media-tag{position:absolute;bottom:14px;left:14px;background:rgba(11,59,46,.85);color:#FFFFFF;font-size:13px;padding:6px 14px;border-radius:999px}

/* 说明区 */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.intro-grid p{color:#33403A}
.intro-highlight{background:#FFFFFF;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:0 var(--r-card) var(--r-card) 0;padding:20px 24px;font-size:15.5px;color:var(--ink)}
.intro-highlight strong{color:var(--primary)}

/* 档位卡网格 */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.tier-card{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 22px;box-shadow:var(--shadow-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.tier-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary)}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(244,87,27,.35)}
.tier-badge{display:inline-block;align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 12px}
.tier-card h3{font-size:18px}
.tier-row{font-size:14px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px}
.tier-row b{display:block;color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.5px;margin-bottom:2px}
.tier-foot{margin-top:auto;padding-top:8px}
.tier-card.is-hot .tier-badge{background:var(--accent);color:#4A3200}

/* 要点清单 */
.point-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px}
.point-list li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px 18px 52px;font-size:15px;color:#2A3530;transition:border-color .2s ease,box-shadow .2s ease}
.point-list li:hover{border-color:rgba(11,59,46,.3);box-shadow:var(--shadow-card)}
.point-list li::before{content:"";position:absolute;left:20px;top:25px;width:14px;height:8px;border-left:3px solid var(--primary);border-bottom:3px solid var(--primary);transform:rotate(-45deg)}
.point-list li b{color:var(--ink);display:block;margin-bottom:4px;font-size:15.5px}

/* FAQ */
.faq-acc{margin-top:8px}
.faq-acc .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:14px;position:relative}
.faq-acc .accordion-item::before{content:"";position:absolute;top:0;bottom:0;left:0;width:3px;background:var(--ink);z-index:2;transition:background-color .25s ease}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{background:var(--primary)}
.faq-acc .accordion-button{background:#FFFFFF;color:var(--ink);font-weight:600;font-size:16.5px;padding:20px 22px;box-shadow:none;border:0;border-radius:14px}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);background:#FFFFFF;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(244,87,27,.35);outline-offset:-3px}
.faq-acc .accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230B3B2E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");width:16px;height:16px;background-size:16px;transition:transform .25s ease}
.faq-acc .accordion-button:not(.collapsed)::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23F4571B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");transform:rotate(180deg)}
.faq-acc .accordion-body{padding:0 22px 22px 22px;color:#3B4741;font-size:15.5px}

/* CTA 条 */
.cta-band{background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);color:#EAF2EE;border-radius:var(--r-card);padding:44px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#FFFFFF;margin-bottom:10px;max-width:620px}
.cta-band p{color:rgba(234,242,238,.82);max-width:640px;font-size:15.5px}
.cta-band .btn-main{background:var(--accent);border-color:var(--accent);color:#3E2A00}
.cta-band .btn-main:hover{background:#FFD073;border-color:#FFD073;color:#3E2A00;box-shadow:0 10px 22px rgba(255,194,74,.28)}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);color:#DCE7E2;padding:56px 0 24px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.site-footer .brand-text{color:#FFFFFF}
.site-footer .brand-text small{color:rgba(220,231,226,.6)}
.site-footer .brand-mark{background:linear-gradient(135deg,#F4571B,#FFC24A)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(220,231,226,.78);max-width:360px}
.footer-title{color:#FFFFFF;font-weight:700;font-size:15px;margin-bottom:14px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14.5px;color:rgba(220,231,226,.82)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14.5px;line-height:2;color:rgba(220,231,226,.82)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:rgba(220,231,226,.66)}

/* 移动底部 Tab */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;background:#FFFFFF;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 16px rgba(11,59,46,.06)}
.mobile-tab a{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:56px;font-size:10px;color:var(--muted);letter-spacing:.2px}
.mobile-tab a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--primary)}
.mobile-tab a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--primary);border-radius:2px}

/* 响应式 */
@media (max-width:1199.98px){
  .tier-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  h1{font-size:29px}
  h2{font-size:23px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .intro-grid{grid-template-columns:1fr;gap:22px}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:767.98px){
  body{padding-bottom:72px}
  .mobile-tab{display:flex}
  .cat-hero{padding:20px 0 46px}
  .section{padding:44px 0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .tier-grid{grid-template-columns:1fr}
  .point-list{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:16px}
  .site-footer{margin-top:48px}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15.5px}
  h1{font-size:26px;line-height:1.3}
}

/* roulang page: category2 */
:root{
  --brand:#F4571B;
  --brand-dark:#D8460F;
  --brand-soft:#FDEDE6;
  --ink:#0B3B2E;
  --ink-2:#14513F;
  --yellow:#FFC24A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#1C1F1D;
  --muted:#5C6660;
  --border:#E4E1D8;
  --danger:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-img:14px;
  --sh-card:0 6px 20px rgba(11,59,46,.07);
  --sh-hover:0 12px 30px rgba(11,59,46,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:700;color:var(--text);margin:0;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(244,87,27,.75);outline-offset:2px;border-radius:6px;}
.container-xxl{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.tnum{font-variant-numeric:tabular-nums;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,59,46,.09);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  position:relative;
  flex:0 0 34px;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 9px 9px 9px;
  background:var(--brand);
  border-radius:4px 9px 4px 9px;
}
.brand-text{
  font-size:18px;font-weight:700;color:var(--ink);line-height:1.15;
  display:flex;flex-direction:column;
}
.brand-text small{
  font-size:10px;font-weight:600;letter-spacing:1.6px;color:var(--muted);
}
.nav-desktop{margin-left:auto;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link-c{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:8px;
}
.nav-link-c::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link-c:hover{color:var(--brand);}
.nav-link-c:hover::after{transform:scaleX(1);}
.nav-link-c.active{color:var(--brand);font-weight:700;}
.nav-link-c.active::after{transform:scaleX(1);}
.header-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle i{font-size:22px;}
.nav-scrim{
  position:fixed;inset:0;background:rgba(11,59,46,.45);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:1050;
}
.nav-scrim.show{opacity:1;visibility:visible;}
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(82vw,320px);
  background:#fff;z-index:1060;padding:22px 20px;
  transform:translateX(105%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:8px;
  box-shadow:-10px 0 30px rgba(11,59,46,.14);
  overflow-y:auto;
}
.mobile-panel.show{transform:translateX(0);}
.mobile-panel .panel-head{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;
}
.mobile-panel .panel-head strong{color:var(--ink);font-size:16px;}
.mobile-panel .panel-close{
  width:38px;height:38px;border:1px solid var(--border);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.mobile-panel a.panel-link{
  display:block;padding:13px 14px;border-radius:10px;font-size:15.5px;color:var(--text);
  border:1px solid transparent;
}
.mobile-panel a.panel-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.mobile-panel a.panel-link.active{
  background:var(--brand-soft);color:var(--brand-dark);font-weight:700;border-color:#F7CDBB;
}
.mobile-panel .panel-cta{margin-top:14px;}

/* ===== 按钮 ===== */
.btn-primary-c,.btn-ghost-c,.btn-yellow-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;line-height:1.4;text-align:center;
}
.btn-primary-c{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary-c:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost-c{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost-c:hover{background:rgba(11,59,46,.08);transform:translateY(-1px);color:var(--ink);}
.btn-yellow-c{background:var(--yellow);color:#3A2A00;border-color:var(--yellow);}
.btn-yellow-c:hover{background:#F5B12F;border-color:#F5B12F;color:#3A2A00;transform:translateY(-1px);}
.btn-primary-c:disabled,.btn-ghost-c:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-sm-c{padding:9px 16px;font-size:14px;}

/* ===== 面包屑 ===== */
.breadcrumb-c{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;
}
.breadcrumb-c a{color:rgba(255,255,255,.86);}
.breadcrumb-c a:hover{color:var(--yellow);}
.breadcrumb-c .sep{opacity:.55;}

/* ===== Hero ===== */
.page-hero{
  background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);
  color:#fff;
  padding:56px 0 60px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:rgba(255,194,74,.10);
}
.hero-split{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,194,74,.16);color:var(--yellow);
  font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:16px;
}
.page-hero h1{
  color:#fff;font-size:34px;line-height:1.4;margin-bottom:16px;
}
.hero-lead{
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);
  max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-actions .btn-ghost-c{color:#fff;border-color:rgba(255,255,255,.62);}
.hero-actions .btn-ghost-c:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta li{
  font-size:13.5px;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:7px;
}
.hero-meta li i{color:var(--yellow);font-size:15px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.badge-float{
  position:absolute;left:16px;bottom:16px;
  padding:8px 15px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:13px;font-weight:600;
  box-shadow:0 8px 20px rgba(244,87,27,.35);
}

/* ===== 通用板块 ===== */
.section{padding:72px 0;}
.section-alt{background:#fff;}
.section-ink{background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);color:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand);margin-bottom:10px;
}
.section-ink .section-label{color:var(--yellow);}
.section-head h2{font-size:26px;line-height:1.4;margin-bottom:12px;}
.section-ink .section-head h2{color:#fff;}
.section-desc{font-size:15.5px;color:var(--muted);line-height:1.9;}
.section-ink .section-desc{color:rgba(255,255,255,.78);}

/* 说明分栏 */
.split-block{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.split-block.reverse .split-media{order:2;}
.split-copy h2{font-size:26px;margin-bottom:16px;}
.split-copy p{color:var(--muted);margin-bottom:1.2em;}
.split-copy p:last-child{margin-bottom:0;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);
}

/* ===== 编号清单（全宽分栏） ===== */
.numbered-layout{
  display:grid;grid-template-columns:320px 1fr;gap:52px;align-items:start;
}
.numbered-aside{position:sticky;top:96px;}
.numbered-aside h2{font-size:26px;margin-bottom:14px;}
.numbered-aside p{color:var(--muted);font-size:15px;margin-bottom:22px;}
.aside-note{
  border:1px solid var(--border);border-radius:var(--r-card);
  background:var(--bg);padding:18px 18px;
}
.aside-note strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px;}
.aside-note span{font-size:13.5px;color:var(--muted);}
.numbered-list{display:grid;gap:16px;}
.num-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.num-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D9D4C7;}
.num-index{
  font-size:26px;font-weight:700;color:var(--brand);line-height:1;
  font-variant-numeric:tabular-nums;
}
.num-body h3{font-size:19px;margin-bottom:8px;}
.num-body p{font-size:15px;color:var(--muted);margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;
}
.tag.tag-green{background:rgba(11,59,46,.08);color:var(--ink);}
.tag.tag-yellow{background:rgba(255,194,74,.26);color:#7A5600;}

/* ===== 数据条 ===== */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-card);position:relative;overflow:hidden;
}
.stat-item::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--brand);
}
.stat-value{
  font-size:30px;font-weight:700;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.stat-value em{font-style:normal;font-size:16px;color:var(--brand);margin-left:3px;}
.stat-label{font-size:14px;color:var(--muted);}

/* ===== 要点清单 ===== */
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.point-icon{
  width:38px;height:38px;border-radius:11px;background:var(--brand-soft);
  color:var(--brand-dark);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:14px;
}
.point-card h3{font-size:17px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--muted);}

/* ===== FAQ ===== */
.faq-c{max-width:900px;margin:0 auto;}
.faq-c .accordion-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
}
.faq-c .accordion-button{
  font-size:16.5px;font-weight:700;color:var(--text);background:#fff;
  padding:18px 22px 18px 20px;border-left:3px solid var(--ink);
  box-shadow:none;border-radius:0;
}
.faq-c .accordion-button:not(.collapsed){
  color:var(--brand-dark);background:#fff;border-left-color:var(--brand);
  box-shadow:none;
}
.faq-c .accordion-button:focus{box-shadow:none;outline:none;}
.faq-c .accordion-button::after{
  width:1rem;height:1rem;background-size:1rem;
  filter:invert(28%) sepia(11%) saturate(1200%) hue-rotate(110deg);
}
.faq-c .accordion-button:not(.collapsed)::after{
  filter:invert(42%) sepia(78%) saturate(2200%) hue-rotate(357deg) brightness(96%);
}
.faq-c .accordion-body{
  font-size:15px;color:var(--muted);padding:4px 24px 22px;
  border-left:3px solid var(--brand);
}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(135deg,#0B3B2E 0%,#14513F 100%);
  border-radius:22px;padding:44px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:250px;height:250px;
  border-radius:50%;background:rgba(255,194,74,.12);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:10px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;position:relative;z-index:2;}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(135deg,#0B3B2E 0%,#093125 100%);
  color:rgba(255,255,255,.78);
  padding:56px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:360px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-links a:hover{color:var(--yellow);}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.75);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.6);
}

/* ===== 移动底部 Tab ===== */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1050;
  background:#fff;border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(11,59,46,.07);
}
.mobile-tabbar ul{display:flex;}
.mobile-tabbar li{flex:1;}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10.5px;color:var(--muted);position:relative;
  transition:color .2s ease;
}
.mobile-tabbar a i{font-size:19px;line-height:1;}
.mobile-tabbar a.active{color:var(--brand);font-weight:700;}
.mobile-tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--brand);border-radius:2px;
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .numbered-layout{grid-template-columns:280px 1fr;gap:36px;}
}
@media (max-width:991.98px){
  body{padding-bottom:76px;}
  .nav-desktop,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{min-height:62px;gap:14px;}
  .mobile-tabbar{display:block;}
  .hero-split{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:40px 0 44px;}
  .page-hero h1{font-size:26px;}
  .hero-media img{aspect-ratio:16/9;}
  .section{padding:44px 0;}
  .split-block{grid-template-columns:1fr;gap:28px;}
  .split-block.reverse .split-media{order:0;}
  .numbered-layout{grid-template-columns:1fr;gap:28px;}
  .numbered-aside{position:static;}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:16px;}
  .points-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-desc{max-width:none;}
}
@media (max-width:575.98px){
  .container-xxl{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:24px;line-height:1.45;}
  .hero-lead{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-primary-c,.hero-actions .btn-ghost-c{width:100%;}
  .section-head h2,.split-copy h2,.numbered-aside h2{font-size:21px;}
  .section-desc{font-size:15px;}
  .num-item{grid-template-columns:56px 1fr;gap:14px;padding:18px 16px;}
  .num-index{font-size:22px;}
  .points-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:1fr;}
  .stat-value{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary-c,.cta-actions .btn-yellow-c{width:100%;}
}