/* roulang page: index */
:root{
  --ink:#0E2620;
  --ink-2:#14382F;
  --brand:#1F6B57;
  --brand-soft:rgba(31,107,87,.08);
  --accent:#FF6A2B;
  --accent-soft:#FFB27A;
  --mint:#2FD3A8;
  --mint-soft:rgba(47,211,168,.14);
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5D6B65;
  --text-3:#8A968F;
  --line:#DDE5E0;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(14,38,32,.06), 0 8px 24px rgba(14,38,32,.05);
  --sh-2:0 16px 36px rgba(14,38,32,.14);
  --cn-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num-font:"Barlow Condensed","Oswald",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--cn-font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-family:var(--num-font);letter-spacing:.02em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}

/* ============ 顶部合规细条 ============ */
.topbar{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  font-size:13px;
  line-height:1.4;
  letter-spacing:.01em;
}
.topbar .topbar-in{
  display:flex;align-items:center;gap:10px;
  min-height:34px;padding-top:6px;padding-bottom:6px;
}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:none;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(14,38,32,.08);}
.site-header.is-stuck .topbar{display:none;}
.nav-inner{
  display:flex;align-items:center;gap:16px;
  min-height:72px;transition:min-height .22s ease;
}
.site-header.is-stuck .nav-inner{min-height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,var(--ink) 0%,var(--brand) 100%);
  display:grid;place-items:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.10);
}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{
  font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink);
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--num-font);font-size:12px;letter-spacing:.08em;
  color:var(--text-3);text-transform:uppercase;
}
.chip-nav{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:4px 2px;
}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:all .18s ease;
}
.chip:hover{background:var(--mint-soft);border-color:rgba(47,211,168,.45);color:var(--brand);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.is-active:hover{background:var(--ink-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-note{font-size:13px;color:var(--text-3);white-space:nowrap;}
.nav-note:hover{color:var(--accent);}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 移动端抽屉 */
.offcanvas{background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:700;color:var(--ink);}
.offcanvas-body{padding:20px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-grid .chip{width:100%;justify-content:center;height:44px;border-radius:12px;}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-input);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn:disabled,.btn.disabled{opacity:.4;pointer-events:none;}
.btn-primary{
  background:var(--accent);color:#fff;border-color:var(--accent);
  box-shadow:0 6px 18px rgba(255,106,43,.24);
}
.btn-primary:hover{background:#f75f1f;border-color:#f75f1f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.22);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.6);}
.btn-light:hover{background:#fff;color:var(--accent);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);background:none;border:none;padding:0;
}
.btn-link-arrow .arrow{transition:transform .18s ease;}
.btn-link-arrow:hover{color:var(--accent);}
.btn-link-arrow:hover .arrow{transform:translateX(4px);}

/* ============ 版块通用 ============ */
.section{padding:56px 0;}
.section--alt{background:var(--bg-alt);}
.section--dark{background:var(--ink);color:rgba(255,255,255,.86);}
@media (min-width:992px){.section{padding:88px 0;}}
.section-head{margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--num-font);font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:2px;}
.section-head h2{font-size:clamp(22px,2.8vw,34px);font-weight:600;line-height:1.25;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:720px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(255,255,255,.66);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 48px;
  background:
    linear-gradient(105deg, rgba(14,38,32,.92) 0%, rgba(14,38,32,.72) 46%, rgba(14,38,32,.30) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,168,.28) 0%,transparent 70%);
  pointer-events:none;
}
@media (min-width:992px){.hero{padding:84px 0 76px;}}
.hero-grid{position:relative;z-index:2;display:grid;gap:36px;align-items:center;}
@media (min-width:992px){.hero-grid{grid-template-columns:1.08fr .92fr;gap:56px;}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(47,211,168,.16);border:1px solid rgba(47,211,168,.38);
  color:#9BF0D8;font-size:13px;font-weight:500;margin-bottom:20px;
}
.hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,52px);line-height:1.18;font-weight:700;
  letter-spacing:0;
}
.hero h1 em{font-style:normal;color:var(--accent-soft);}
.hero-lead{
  margin-top:20px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:600px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;margin-top:36px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
.hero-stat b{
  display:block;font-family:var(--num-font);font-size:30px;font-weight:700;
  line-height:1.1;color:#fff;
}
.hero-stat b span{font-size:15px;font-weight:500;color:var(--mint);margin-left:3px;}
.hero-stat i{display:block;font-style:normal;font-size:13px;color:rgba(255,255,255,.6);margin-top:4px;}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:12px 16px;border-radius:12px;
  background:rgba(14,38,32,.72);border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.86);backdrop-filter:blur(6px);
}

/* ============ 卖点三连 ============ */
.grid-3{display:grid;gap:20px;}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(47,211,168,.55);}
.feature-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1.5px solid rgba(31,107,87,.35);background:var(--brand-soft);
  color:var(--brand);margin-bottom:18px;
}
.feature-icon svg{width:22px;height:22px;}
.feature-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.feature-card p{color:var(--text-2);font-size:15px;}
.feature-card ul{margin-top:14px;display:grid;gap:8px;}
.feature-card li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);
}
.feature-card li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:var(--mint);transform:rotate(45deg);
}

/* ============ 场景演示 Tabs ============ */
.demo-shell{
  display:grid;gap:28px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
@media (min-width:992px){.demo-shell{grid-template-columns:.95fr 1.05fr;padding:32px;gap:40px;align-items:start;}}
.demo-tabs{
  display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;
  border-bottom:1px solid var(--line);padding-bottom:0;
}
.demo-tab{
  appearance:none;border:none;background:none;
  padding:10px 4px 14px;margin-right:18px;
  font-size:15px;font-weight:600;color:var(--text-3);
  position:relative;cursor:pointer;transition:color .18s ease;
}
.demo-tab::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.demo-tab:hover{color:var(--brand);}
.demo-tab.is-active{color:var(--ink);}
.demo-tab.is-active::after{background:var(--mint);}
.demo-panel{display:none;}
.demo-panel.is-active{display:block;animation:fadeUp .28s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.demo-panel h3{font-size:19px;margin-bottom:12px;}
.demo-panel > p{color:var(--text-2);font-size:15px;}
.check-list{margin-top:18px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.check-list .tick{
  flex:none;width:22px;height:22px;border-radius:7px;margin-top:3px;
  background:var(--mint-soft);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.demo-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-alt);
}
.demo-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.demo-note{
  margin-top:14px;font-size:13px;color:var(--text-3);
}
.inline-cta{
  margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 20px;border-radius:var(--r-card);
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  color:rgba(255,255,255,.82);
}
.inline-cta strong{display:block;color:#fff;font-size:16px;margin-bottom:2px;}
.inline-cta span{font-size:13px;}

/* ============ 最新信息列表 ============ */
.post-grid{display:grid;gap:20px;}
@media (min-width:768px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:992px){.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.5);color:inherit;}
.post-card__media{background:var(--bg-alt);}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1;
}
.badge-mint{background:var(--mint-soft);color:var(--brand);}
.badge-grey{background:#EFF2EF;color:var(--text-2);}
.post-card__title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__excerpt{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-card__foot .arrow{transition:transform .2s ease;color:var(--brand);font-weight:700;}
.post-card:hover .post-card__foot .arrow{transform:translateX(4px);color:var(--accent);}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:52px 20px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;color:var(--text-3);}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ============ 社会认同 ============ */
.metric-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:32px;
}
@media (min-width:768px){.metric-row{grid-template-columns:repeat(4,minmax(0,1fr));}}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);padding:22px 20px;
}
.metric b{
  display:block;font-family:var(--num-font);font-size:34px;line-height:1.05;font-weight:700;color:#fff;
}
.metric b span{font-size:15px;font-weight:500;color:var(--mint);margin-left:4px;}
.metric i{display:block;font-style:normal;font-size:13px;color:rgba(255,255,255,.6);margin-top:8px;}
.quote-grid{display:grid;gap:20px;}
@media (min-width:768px){.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;height:100%;transition:transform .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(47,211,168,.55);}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-family:var(--num-font);font-size:17px;font-weight:700;
  background:linear-gradient(140deg,var(--brand) 0%,var(--mint) 100%);color:#fff;
}
.quote-head b{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.35;}
.quote-head span{display:block;font-size:12px;color:var(--text-3);}
.quote-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;background:none;border:none;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);cursor:pointer;
  position:relative;transition:color .18s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:-16px;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--accent);
}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:8px;position:relative;
  background:var(--bg-alt);transition:background .2s ease, transform .2s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:12px;height:2px;}
.faq-sign::after{width:2px;height:12px;transition:opacity .2s ease;}
.faq-item.is-open .faq-sign{background:var(--mint-soft);}
.faq-item.is-open .faq-sign::after{opacity:0;}
.faq-a{display:none;padding:0 40px 20px 0;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item.is-open .faq-a{display:block;}

/* ============ 末尾 CTA ============ */
.cta-banner{
  position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(105deg, rgba(14,38,32,.94) 0%, rgba(20,56,47,.86) 60%, rgba(31,107,87,.72) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:36px 24px;color:#fff;
}
@media (min-width:992px){.cta-banner{padding:52px 48px;}}
.cta-banner .cta-in{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.cta-banner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-banner p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.68);font-size:14px;
  padding:56px 0 0;
}
.footer-top{border-top:1px solid rgba(255,255,255,.10);padding-top:44px;}
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand) 0%,var(--mint) 100%);}
.footer-brand b{color:#fff;font-size:16px;font-weight:700;}
.footer-col p{line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.62);font-size:14px;}
.footer-contact svg{width:16px;height:16px;flex:none;margin-top:5px;color:var(--mint);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 96px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (min-width:992px){.footer-bottom{padding-bottom:28px;}}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 底部固定转化条 ============ */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(14,38,32,.12);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  transform:translateY(130%);
  transition:transform .2s ease;
}
.dock.is-visible{transform:translateY(0);}
.dock__inner{display:flex;align-items:center;gap:12px;max-width:1200px;margin:0 auto;}
.dock__label{flex:1 1 auto;font-size:14px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dock .btn{flex:0 0 42%;height:48px;padding:0 12px;}
.dock__close{
  display:none;position:absolute;top:6px;right:8px;
  width:24px;height:24px;border-radius:50%;border:none;
  background:var(--bg-alt);color:var(--text-2);font-size:15px;line-height:1;
  align-items:center;justify-content:center;cursor:pointer;
}
.dock__close:hover{background:var(--accent);color:#fff;}
@media (min-width:992px){
  .dock{
    left:auto;right:24px;bottom:24px;width:380px;border:1px solid var(--line);
    border-radius:16px;padding:16px 18px 16px;box-shadow:var(--sh-2);
  }
  .dock .btn{flex:0 0 auto;height:44px;}
  .dock__close{display:flex;}
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:16px;bottom:88px;z-index:75;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);display:grid;place-items:center;
  box-shadow:var(--sh-1);opacity:0;visibility:hidden;transition:all .2s ease;cursor:pointer;
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
@media (min-width:992px){.to-top{bottom:28px;right:28px;}}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink-900:#0E2620;
  --ink-800:#14382F;
  --brand:#1F6B57;
  --brand-soft:rgba(31,107,87,.08);
  --accent:#FF6A2B;
  --accent-soft:#FFB27A;
  --mint:#2FD3A8;
  --mint-soft:rgba(47,211,168,.12);
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5D6B65;
  --text-3:#8A968F;
  --line:#DDE5E0;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:12px;
  --r-ctrl:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-3:0 16px 36px rgba(14,38,32,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Oswald",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);letter-spacing:normal}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.container{padding:0 24px}}
@media (min-width:1400px){.container{max-width:1320px}}

.compliance-bar{background:var(--ink-900);color:rgba(255,255,255,.78);font-size:13px;line-height:1.5;padding:8px 0}
.compliance-bar .container{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;text-align:center}
.compliance-bar strong{color:var(--mint);font-weight:600}
.compliance-bar span.dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3);display:inline-block}

.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:padding .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--ink-900);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:700;line-height:1.2;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand);font-weight:600;margin-left:4px;font-size:15px}

.chip-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--text-2);font-size:14px;font-weight:500;
  white-space:nowrap;transition:all .18s ease;
}
.chip:hover{background:var(--mint-soft);border-color:rgba(47,211,168,.4);color:var(--ink-800)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:600}
.chip.is-active:hover{color:#fff;background:var(--ink-800)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.header-note{font-size:13px;color:var(--text-3);white-space:nowrap}
.header-note:hover{color:var(--brand)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border:none;border-radius:var(--r-ctrl);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;font-family:var(--font-cn);
  cursor:pointer;transition:all .2s ease;box-shadow:var(--sh-1);
}
.btn-main:hover{background:#FF7A42;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-main:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-main.sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:1.5px solid var(--brand);border-radius:var(--r-ctrl);
  background:transparent;color:var(--brand);font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-ghost.sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(4px)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-ctrl);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle svg{width:20px;height:20px}

.mobile-nav{background:#fff}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700}
.mobile-nav .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:16px}
.chip-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chip-grid .chip{width:100%;justify-content:center;height:42px}

.page-head{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:16px 0}
.breadcrumb-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.breadcrumb-line a{color:var(--text-3)}
.breadcrumb-line a:hover{color:var(--accent)}
.breadcrumb-line .sep{color:#BCC7C1}
.breadcrumb-line .current{color:var(--text);font-weight:500;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-wrap{padding:40px 0 72px}
@media (min-width:992px){.article-wrap{padding:56px 0 88px}}
.article-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:992px){.article-layout{grid-template-columns:8fr 4fr;gap:40px}}

.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(26px,4vw,44px);line-height:1.22;font-weight:700;margin:16px 0 16px;
  letter-spacing:-.01em;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.meta-row .num{font-family:var(--font-num);letter-spacing:.02em;font-size:15px;color:var(--text-2)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C6D0CB}

.article-body{font-size:16.5px;line-height:1.85;color:var(--text);min-height:120px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,107,87,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body h2{
  position:relative;font-size:clamp(21px,2.7vw,30px);line-height:1.3;font-weight:600;
  margin:2.2em 0 .8em;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.4;margin:1.8em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;line-height:1.5;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--accent);font-weight:600}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:1.6em auto;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:14px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:#FFF6F0;border-radius:0 var(--r-ctrl) var(--r-ctrl) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body thead th{background:var(--bg-alt);font-weight:600;color:var(--text)}
.article-body tbody tr:nth-child(even){background:#FAFBFA}
.article-body tbody td:first-child{font-weight:600}
.article-body code{background:var(--mint-soft);color:var(--ink-800);padding:2px 6px;border-radius:6px;font-family:var(--font-num);font-size:.95em}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{width:48px;height:48px;margin:0 auto 16px;display:block;color:var(--brand)}
.empty-state p{font-size:16px;color:var(--text-2);margin-bottom:20px}

.inline-cta{
  margin:32px 0;padding:22px 24px;border-radius:var(--r-card);
  background:linear-gradient(120deg,var(--ink-900) 0%,var(--ink-800) 100%);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.inline-cta::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.28),transparent 68%);
}
.inline-cta h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:6px}
.inline-cta p{color:rgba(255,255,255,.72);font-size:14px}
.inline-cta .btn-main{position:relative;z-index:1}
@media (max-width:767.98px){.inline-cta{display:none}}

.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:14px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:13px;transition:all .18s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent);background:#FFF8F4}

.related-block{margin-top:56px}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-title h2{font-size:clamp(20px,2.6vw,28px);font-weight:600;line-height:1.3}
.section-title .sub{font-size:14px;color:var(--text-3);margin-top:6px}

.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.info-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .22s ease;height:100%;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--mint);box-shadow:var(--sh-3)}
.info-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.info-card:hover .thumb img{transform:scale(1.04)}
.info-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-card h3{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card h3 a{color:var(--text)}
.info-card h3 a:hover{color:var(--accent)}
.info-card p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.info-card .foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.info-card .foot .num{font-family:var(--font-num);letter-spacing:.02em;font-size:14px}

.article-side{display:flex;flex-direction:column;gap:20px}
@media (min-width:992px){.article-side{position:sticky;top:96px;align-self:start}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h2{font-size:16px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.side-card h2::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.side-chips{display:flex;flex-wrap:wrap;gap:8px}
.side-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--text-2);font-size:13px;transition:all .18s ease;
}
.side-chips a:hover{background:var(--ink-900);color:#fff}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.hot-list a{display:flex;gap:12px;align-items:flex-start;color:var(--text)}
.hot-list .no{
  font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--accent-soft);
  line-height:1.2;flex:0 0 22px;
}
.hot-list li:first-child .no{color:var(--accent)}
.hot-list .txt{font-size:14.5px;line-height:1.55}
.hot-list a:hover .txt{color:var(--accent)}
.hot-list .date{display:block;font-family:var(--font-num);font-size:13px;color:var(--text-3);margin-top:4px;letter-spacing:.02em}

.subscribe-form .field{margin-bottom:14px}
.subscribe-form label{display:block;font-size:14px;color:var(--text-2);margin-bottom:6px}
.subscribe-form input{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-ctrl);
  background:#fff;font-size:15px;font-family:var(--font-cn);color:var(--text);transition:all .18s ease;
}
.subscribe-form input::placeholder{color:var(--text-3)}
.subscribe-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.subscribe-form .hint{font-size:13px;color:var(--text-3);margin-top:10px;line-height:1.6}
.subscribe-form .btn-main{width:100%}
.form-note{display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-ctrl);font-size:13px;line-height:1.6}
.form-note.ok{display:block;background:var(--mint-soft);color:var(--brand)}

.faq-section{padding:64px 0;background:var(--bg-alt)}
@media (min-width:992px){.faq-section{padding:88px 0}}
.faq-head{max-width:640px;margin-bottom:32px}
.faq-head h2{font-size:clamp(22px,2.8vw,32px);font-weight:600;line-height:1.3}
.faq-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.faq-list{max-width:880px}
.accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;box-shadow:none;padding:20px 44px 20px 18px;font-size:17px;font-weight:600;
  color:var(--text);position:relative;border-radius:0;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.accordion-button:not(.collapsed){color:var(--text);background:transparent;box-shadow:none}
.accordion-button:not(.collapsed)::before{background:var(--accent)}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;color:var(--brand);
  position:absolute;right:14px;top:50%;transform:translateY(-50%);width:auto;height:auto;line-height:1;
  transition:transform .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--accent)}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--mint);outline-offset:2px}
.accordion-body{padding:0 44px 22px 18px;font-size:15px;line-height:1.8;color:var(--text-2)}

.cta-banner{position:relative;overflow:hidden;background:var(--ink-900)}
.cta-banner .bg{
  position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.22;
}
.cta-banner .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,38,32,.92) 0%,rgba(14,38,32,.55) 100%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:56px 0}
@media (min-width:992px){.cta-inner{padding:72px 0}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,32px);font-weight:600;line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;margin-top:12px;max-width:56ch}

.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding:56px 0 0}
.footer-top{border-top:1px solid rgba(255,255,255,.08);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:16px;font-weight:700}
.footer-brand .brand-mark{background:var(--brand)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--mint)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .age{color:var(--accent-soft)}

.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(14,38,32,.08);
  padding:10px 16px;display:flex;align-items:center;gap:12px;
  transform:translateY(12px);opacity:0;visibility:hidden;transition:all .22s ease;
}
.sticky-bar.show{transform:translateY(0);opacity:1;visibility:visible}
.sticky-bar .label{font-size:14px;font-weight:600;color:var(--ink-800);flex:1 1 auto}
.sticky-bar .btn-main{flex:0 0 40%}
.sticky-bar .close-btn{
  display:none;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--text-3);align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
@media (min-width:992px){
  .sticky-bar{left:auto;right:28px;bottom:28px;width:380px;border-radius:var(--r-card);border:1px solid var(--line);padding:14px 16px}
  .sticky-bar .btn-main{flex:0 0 auto}
  .sticky-bar .close-btn{display:inline-flex;order:3}
}

.back-top{
  position:fixed;right:16px;bottom:88px;z-index:1035;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:all .22s ease;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{color:var(--accent);border-color:var(--accent)}
@media (min-width:992px){.back-top{right:28px;bottom:120px;width:46px;height:46px}}

@media (max-width:991.98px){
  .chip-nav,.header-note{display:none}
  .nav-toggle{display:inline-flex}
  .brand-text{font-size:15px}
  .brand-text em{font-size:13px}
}
@media (max-width:575.98px){
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .brand-text{font-size:14px}
  .article-head h1{font-size:24px}
  .btn-main,.btn-ghost{height:44px;padding:0 20px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E2620;
  --brand-800:#14382F;
  --brand-600:#1F6B57;
  --accent:#FF6A2B;
  --accent-light:#FFB27A;
  --mint:#2FD3A8;
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5D6B65;
  --text-3:#8A968F;
  --border:#DDE5E0;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:12px;
  --r-ctrl:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-3:0 16px 36px rgba(14,38,32,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",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-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:4px;border-radius:4px}
.num,.en{font-family:"Barlow Condensed","Oswald",system-ui,sans-serif;letter-spacing:.02em}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 顶部合规细条 ---------- */
.topbar{
  background:var(--brand-900);
  color:rgba(255,255,255,.82);
  font-size:13px;
  line-height:1.6;
  padding:8px 0;
}
.topbar .container{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;justify-content:space-between}
.topbar b{color:var(--mint);font-weight:600}
.topbar span{color:rgba(255,255,255,.6)}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:var(--sh-2)}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:72px;
  transition:min-height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-900)}
.brand:hover{color:var(--brand-600)}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  background:var(--brand-900);
  display:grid;place-items:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.2;white-space:nowrap;
}
.chip-nav{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:4px 2px;margin:0 auto;flex:1 1 auto;
}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;color:var(--text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:rgba(47,211,168,.12);color:var(--brand-600);border-color:rgba(47,211,168,.55)}
.chip.is-active{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.chip.is-active:hover{background:var(--brand-800);color:#fff}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.header-note{font-size:13px;color:var(--text-3);white-space:nowrap}
.header-note:hover{color:var(--accent)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;
  border-radius:var(--r-ctrl);color:var(--brand-900);align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{border-color:var(--mint);color:var(--brand-600)}

/* 按钮 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-ctrl);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.22)}
.btn-main:hover{background:#ff7d45;color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,106,43,.3)}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,106,43,.24)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-600);color:var(--brand-600)}
.btn-ghost:hover{background:rgba(31,107,87,.08);color:var(--brand-600);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.4;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand-600);
}
.text-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* 移动抽屉 */
.mobile-drawer{width:min(88vw,360px);background:var(--bg)}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.mobile-drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--brand-900)}
.mobile-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:20px}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-nav .chip{width:100%;justify-content:center;height:42px}
.drawer-foot{margin-top:auto}

/* ---------- 面包屑 ---------- */
.crumb{padding:18px 0 0;font-size:14px;color:var(--text-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:var(--border)}
.crumb li:last-child::after{content:"";margin:0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb .current{color:var(--text);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:992px){.section{padding:88px 0}}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:720px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:rgba(47,211,168,.16);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(22px,2.8vw,34px);line-height:1.25;margin-bottom:12px}
.sec-head p{color:var(--text-2);font-size:16px}
.sec-head-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}

/* ---------- Hero ---------- */
.hero{padding:40px 0 56px;position:relative;overflow:hidden}
@media (min-width:992px){.hero{padding:56px 0 88px}}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 88% 8%,rgba(47,211,168,.16),transparent 70%),
    radial-gradient(520px 300px at 4% 96%,rgba(255,106,43,.10),transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:992px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);
  padding:7px 14px;font-size:13px;color:var(--text-2);box-shadow:var(--sh-1);margin-bottom:20px;
}
.hero-badge i{
  width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block;
  box-shadow:0 0 0 4px rgba(47,211,168,.18);
}
.hero h1{
  font-size:clamp(28px,4.4vw,52px);
  line-height:1.18;font-weight:700;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-lead{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:14px}
.hero-lead-sub{font-size:15px;color:var(--text-3);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-fig{position:relative}
.hero-fig img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--border);box-shadow:var(--sh-2);
}
.hero-fig .tag-float{
  position:absolute;left:16px;bottom:16px;
  background:rgba(14,38,32,.88);color:#fff;
  border-radius:var(--r-pill);padding:8px 16px;font-size:13px;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-fig .tag-float b{color:var(--mint);font-weight:600}
.mini-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px 20px;
  border-top:1px solid var(--border);padding-top:24px;
}
@media (min-width:768px){.mini-stats{grid-template-columns:repeat(4,1fr)}}
.mini-stats .val{font-family:"Barlow Condensed",system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--brand-900);line-height:1.1;letter-spacing:.02em}
.mini-stats .val small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px}
.mini-stats .k{font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- 图标卡（四宫格） ---------- */
.grid-4{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.grid-4{grid-template-columns:repeat(4,1fr);gap:24px}}
.icon-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.icon-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(47,211,168,.6)}
.icon-box{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(31,107,87,.35);
  display:grid;place-items:center;margin-bottom:18px;color:var(--brand-600);background:rgba(31,107,87,.05);
}
.icon-box svg{width:20px;height:20px}
.icon-card h3{font-size:18px;line-height:1.4;margin-bottom:10px}
.icon-card p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 深色要点条 ---------- */
.dark-band{
  background-image:linear-gradient(rgba(14,38,32,.94),rgba(20,56,47,.94)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  color:#fff;border-radius:var(--r-card);
  padding:40px 28px;
}
@media (min-width:992px){.dark-band{padding:56px 48px}}
.dark-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:14px}
.dark-band .sub{color:rgba(255,255,255,.72);font-size:15px;max-width:640px;margin-bottom:32px}
.band-list{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.band-list{grid-template-columns:repeat(3,1fr);gap:28px}}
.band-item{border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
.band-item .idx{
  font-family:"Barlow Condensed",system-ui,sans-serif;font-size:15px;font-weight:700;letter-spacing:.08em;
  color:var(--mint);margin-bottom:10px;display:block;
}
.band-item h3{color:#fff;font-size:17px;margin-bottom:8px}
.band-item p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.75}

/* ---------- 交替图文 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:992px){.split{grid-template-columns:1fr 1fr;gap:56px}}
.split.reverse .split-media{order:1}
@media (min-width:992px){.split.reverse .split-media{order:2}}
.split-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--border);box-shadow:var(--sh-2);
}
.split-body h3{font-size:clamp(20px,2.2vw,26px);line-height:1.35;margin-bottom:14px}
.split-body > p{color:var(--text-2);margin-bottom:20px}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list svg{width:20px;height:20px;flex:0 0 auto;color:var(--brand-600);margin-top:3px}
.check-list b{color:var(--text);font-weight:600}

/* ---------- 编号列表 ---------- */
.numb-list{display:grid;gap:18px}
@media (min-width:768px){.numb-list{grid-template-columns:repeat(3,1fr);gap:24px}}
.numb-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.numb-item::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--mint);border-radius:3px;
}
.numb-item:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(255,106,43,.5)}
.numb-item .no{
  font-family:"Barlow Condensed",system-ui,sans-serif;font-size:34px;font-weight:700;color:var(--border);
  line-height:1;margin-bottom:12px;display:block;padding-left:16px;
}
.numb-item h3{font-size:17px;margin-bottom:8px;padding-left:16px}
.numb-item p{font-size:14.5px;color:var(--text-2);padding-left:16px}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;line-height:1.4;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(47,211,168,.14);color:var(--brand-600);
}
.tag-gray{background:rgba(138,150,143,.14);color:var(--text-2)}
.tag-orange{background:rgba(255,106,43,.14);color:#D9500F}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--border);
}
.accordion-button{
  background:transparent;box-shadow:none;padding:20px 44px 20px 0;
  font-size:17px;font-weight:600;color:var(--text);position:relative;
}
.accordion-button:not(.collapsed){color:var(--brand-600);box-shadow:none;background:transparent}
.accordion-button::after{
  background-image:none;content:"+";
  font-family:"Barlow Condensed",system-ui,sans-serif;font-size:24px;font-weight:600;line-height:1;
  width:auto;height:auto;transform:none;transition:transform .2s var(--ease);
  position:absolute;right:8px;top:50%;margin-top:-14px;color:var(--brand-600);
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-button:focus{box-shadow:none}
.accordion-button:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.accordion-item:has(.accordion-button:not(.collapsed)){position:relative}
.accordion-item:has(.accordion-button:not(.collapsed))::before{
  content:"";position:absolute;left:-14px;top:18px;bottom:18px;width:3px;background:var(--accent);border-radius:3px;
}
.accordion-body{padding:0 40px 22px 0;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background-image:linear-gradient(90deg,rgba(14,38,32,.95) 0%,rgba(14,38,32,.82) 55%,rgba(20,56,47,.72) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  border-radius:var(--r-card);padding:40px 28px;color:#fff;
}
@media (min-width:992px){.cta-band{padding:52px 56px}}
.cta-inner{display:grid;gap:26px;align-items:center}
@media (min-width:992px){.cta-inner{grid-template-columns:1fr auto}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:var(--r-ctrl);border:1.5px solid rgba(255,255,255,.5);color:#fff;
  font-size:15px;font-weight:600;background:transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:56px}
.footer-top{padding:56px 0 36px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:17px;font-weight:700}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--mint)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .age{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);border-radius:var(--r-pill);padding:4px 12px;color:rgba(255,255,255,.72);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;z-index:1040;
  left:0;right:0;bottom:0;
  background:var(--brand-900);
  color:#fff;
  padding:10px 16px;
  display:flex;align-items:center;gap:12px;justify-content:space-between;
  transform:translateY(120%);opacity:0;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
  box-shadow:0 -8px 24px rgba(14,38,32,.2);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1}
.sticky-cta .label{font-size:14px;color:rgba(255,255,255,.86);line-height:1.4}
.sticky-cta .label b{display:block;color:#fff;font-weight:600}
.sticky-cta .btn-main{height:40px;padding:0 18px;font-size:14px;flex:0 0 40%;max-width:170px}
.sticky-cta .close-sticky{
  background:transparent;border:0;color:rgba(255,255,255,.6);
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
}
.sticky-cta .close-sticky:hover{color:#fff;background:rgba(255,255,255,.1)}
.sticky-cta .close-sticky svg{width:16px;height:16px}
@media (min-width:992px){
  .sticky-cta{
    left:auto;right:24px;bottom:24px;width:380px;border-radius:var(--r-card);
    padding:16px 18px;background:#fff;color:var(--text);border:1px solid var(--border);
    box-shadow:var(--sh-3);transform:translateY(12px);opacity:0;
  }
  .sticky-cta.is-visible{transform:translateY(0);opacity:1}
  .sticky-cta .label{color:var(--text-2);font-size:13px}
  .sticky-cta .label b{color:var(--text);font-size:14.5px}
  .sticky-cta .btn-main{flex:0 0 auto;max-width:none;height:42px}
  .sticky-cta .close-sticky{color:var(--text-3);position:absolute;top:8px;right:8px}
  .sticky-cta .close-sticky:hover{color:var(--brand-900);background:rgba(14,38,32,.06)}
}

/* 回到顶部 */
.to-top{
  position:fixed;right:16px;bottom:84px;z-index:1039;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--border);color:var(--brand-600);
  display:grid;place-items:center;box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);border-color:var(--accent);color:var(--accent)}
.to-top svg{width:18px;height:18px}
@media (min-width:992px){.to-top{bottom:32px;right:32px}}

@media (max-width:991.98px){
  .chip-nav{display:none}
  .header-note{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-main{height:40px;padding:0 16px;font-size:14px}
}
@media (max-width:575.98px){
  .brand-text{font-size:15px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost-light{width:100%}
}

/* roulang page: category2 */
:root{
  --deep:#0E2620;
  --deep-2:#14382F;
  --brand:#1F6B57;
  --brand-soft:rgba(31,107,87,.08);
  --orange:#FF6A2B;
  --orange-soft:#FFB27A;
  --mint:#2FD3A8;
  --mint-soft:rgba(47,211,168,.12);
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --line:#DDE5E0;
  --ink:#16211D;
  --ink-2:#5D6B65;
  --ink-3:#8A968F;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:12px;
  --r-ctl:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-3:0 16px 36px rgba(14,38,32,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Oswald",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:4px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0;}
h1{font-size:clamp(28px,4.4vw,52px);line-height:1.18;font-weight:700;}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:600;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1400px){.container{max-width:1320px;}}
.num{font-family:var(--font-num);letter-spacing:.02em;font-weight:600;}

/* 顶部合规细条 */
.compliance-bar{background:var(--deep);color:rgba(255,255,255,.78);font-size:13px;line-height:1.6;}
.compliance-inner{padding:9px 0;display:flex;align-items:center;gap:10px;}
.compliance-inner i{color:var(--mint);font-size:14px;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,38,32,.07);}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-weight:700;font-size:17px;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--deep);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{white-space:nowrap;}
.brand-suffix{color:var(--brand);font-weight:600;margin-left:2px;}
.chip-nav{display:none;align-items:center;gap:8px;overflow-x:auto;flex:1 1 auto;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
@media (min-width:992px){.chip-nav{display:flex;}}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:all .18s ease;
}
.chip:hover{background:var(--mint-soft);color:var(--brand);border-color:rgba(47,211,168,.5);}
.chip.is-active{background:var(--deep);border-color:var(--deep);color:#fff;}
.chip.is-active:hover{background:var(--deep-2);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-ctl);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:20px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
@media (min-width:992px){.nav-toggle{display:none;}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-ctl);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
@media (min-width:992px){.btn{height:52px;}}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary:hover{background:#f65f20;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--deep);border-color:#fff;}
.btn-light:hover{background:#fff;color:var(--brand);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn:disabled,.btn.disabled{opacity:.4;pointer-events:none;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;border:0;
  background:transparent;color:var(--brand);font-weight:600;font-size:15px;cursor:pointer;
}
.btn-link-arrow i{transition:transform .18s ease;}
.btn-link-arrow:hover{color:var(--orange);}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* 页面图头 */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(14,38,32,.92) 0%,rgba(14,38,32,.72) 44%,rgba(14,38,32,.28) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.14);border-radius:38px;transform:rotate(18deg);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;}
@media (min-width:992px){.hero-inner{padding:88px 0 96px;}}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:20px;}
.breadcrumb-nav a{color:rgba(255,255,255,.78);}
.breadcrumb-nav a:hover{color:var(--orange-soft);}
.breadcrumb-nav .current{color:#fff;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--mint);border:1px solid rgba(47,211,168,.35);
  font-size:12px;font-weight:500;letter-spacing:.04em;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:16em;}
.hero-sub{margin:18px 0 0;max-width:640px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  margin-top:38px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.16);border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);max-width:760px;
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
.hero-stats .stat{background:rgba(14,38,32,.55);padding:18px 20px;}
.hero-stats .stat b{display:block;font-family:var(--font-num);font-size:28px;line-height:1.1;color:#fff;}
.hero-stats .stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.68);}

/* 板块 */
.section{padding:56px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;
  letter-spacing:.16em;color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--orange);}
.section-title{margin-bottom:14px;}
.section-desc{color:var(--ink-2);font-size:16px;margin:0;}

/* 交替图文 */
.feature-row{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:28px 0;
}
@media (min-width:992px){
  .feature-row{grid-template-columns:1fr 1fr;gap:56px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:2;}
}
.feature-media{position:relative;}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-2);
}
.feature-media .badge-float{
  position:absolute;left:18px;bottom:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 15px;font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--sh-2);
}
.feature-index{
  font-family:var(--font-num);font-size:15px;font-weight:600;color:var(--orange);
  letter-spacing:.16em;margin-bottom:12px;
}
.feature-body h3{margin-bottom:12px;}
.feature-body p{color:var(--ink-2);margin-bottom:16px;}
.feature-list li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--ink-2);font-size:15px;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  border-radius:3px;background:var(--mint);
}

/* 编号列表 */
.num-list{border-top:1px solid var(--line);}
.num-item{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
@media (min-width:768px){.num-item{grid-template-columns:104px 1fr;gap:32px;}}
.num-item:hover{background:rgba(47,211,168,.06);}
.num-index{
  font-family:var(--font-num);font-size:44px;line-height:1;font-weight:600;
  color:var(--line);
}
@media (min-width:768px){.num-index{font-size:64px;}}
.num-item:hover .num-index{color:var(--orange-soft);}
.num-body h4{margin-bottom:8px;}
.num-body p{margin:0;color:var(--ink-2);font-size:15px;}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:500;
  background:var(--mint-soft);color:var(--brand);border:1px solid rgba(47,211,168,.32);
}
.tag.grey{background:#EFF2EE;color:var(--ink-2);border-color:var(--line);}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--brand);font-size:12px;font-weight:500;
}

/* FAQ */
.faq-wrap{padding-left:2px;}
.faq .accordion-item{background:transparent;border:0;border-top:1px solid var(--line);}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq .accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  padding:22px 44px 22px 18px;font-size:17px;font-weight:600;color:var(--ink);
  border-radius:0;
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:2px;background:transparent;transition:background .18s ease;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.faq .accordion-button:not(.collapsed)::before{background:var(--orange);}
.faq .accordion-button::after{
  content:"+";background-image:none;position:absolute;right:6px;top:50%;
  transform:translateY(-50%);width:auto;height:auto;
  font-family:var(--font-num);font-size:24px;font-weight:400;color:var(--brand);
  transition:transform .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(180deg);color:var(--orange);}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-body{padding:0 44px 22px 18px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA 横幅 */
.cta-banner{
  position:relative;overflow:hidden;color:#fff;border-radius:var(--r-card);
  background-image:linear-gradient(120deg,rgba(14,38,32,.94) 0%,rgba(20,56,47,.86) 58%,rgba(31,107,87,.7) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:44px 32px;
}
@media (min-width:992px){.cta-banner{padding:56px 56px;}}
.cta-banner h2{color:#fff;margin-bottom:14px;}
.cta-banner p{color:rgba(255,255,255,.78);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
@media (min-width:992px){
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;}
  .cta-inner .cta-actions{margin-top:0;flex:0 0 auto;}
}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;}
.footer-top{padding:56px 0 40px;}
@media (min-width:992px){.footer-top{padding:72px 0 48px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col p{margin:0;color:rgba(255,255,255,.62);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--orange);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.68);}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--mint);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .age-note{display:inline-flex;align-items:center;gap:8px;}
.footer-bottom .age-note b{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);color:#fff;font-size:11px;font-weight:600;
}

/* 底部固定转化条 */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  height:64px;background:#fff;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;box-shadow:0 -8px 24px rgba(14,38,32,.08);
  transform:translateY(12px);opacity:0;pointer-events:none;transition:all .2s ease;
}
.sticky-cta.is-show{transform:translateY(0);opacity:1;pointer-events:auto;}
.sticky-cta .sticky-label{font-size:13px;color:var(--ink-2);font-weight:500;}
.sticky-cta .btn{flex:0 0 40%;height:44px;padding:0 16px;}
@media (min-width:992px){
  .sticky-cta{
    left:auto;right:24px;bottom:24px;width:380px;height:auto;
    border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;gap:16px;
    box-shadow:var(--sh-3);
  }
  .sticky-cta .sticky-label{font-size:14px;color:var(--ink);font-weight:600;}
  .sticky-cta .btn{flex:0 0 auto;height:44px;}
  .sticky-close{position:absolute;top:8px;right:10px;border:0;background:transparent;color:var(--ink-3);font-size:16px;cursor:pointer;}
  .sticky-close:hover{color:var(--orange);}
}
.sticky-close{display:none;}
@media (min-width:992px){.sticky-close{display:block;}}

/* 回到顶部 */
.to-top{
  position:fixed;right:16px;bottom:82px;z-index:1035;
  width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--sh-2);cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all .2s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{border-color:var(--orange);color:var(--orange);}
@media (min-width:992px){.to-top{right:32px;bottom:32px;}}

/* 移动抽屉 */
.offcanvas{background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:700;color:var(--ink);}
.offcanvas-body{padding:20px;}
.drawer-chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.drawer-chips .chip{width:100%;justify-content:center;height:42px;}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}
.drawer-note{margin-top:18px;font-size:13px;color:var(--ink-3);}

/* 提示条 */
.notice-strip{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--mint);
  border-radius:var(--r-img);padding:16px 20px;color:var(--ink-2);font-size:14px;
}
.notice-strip i{color:var(--brand);font-size:18px;line-height:1.4;}

/* roulang page: category3 */
:root{
  --ink:#0E2620;
  --ink-2:#14382F;
  --brand:#1F6B57;
  --orange:#FF6A2B;
  --orange-soft:#FFB27A;
  --mint:#2FD3A8;
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --muted:#5D6B65;
  --dim:#8A968F;
  --line:#DDE5E0;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-hover:0 16px 36px rgba(14,38,32,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Oswald",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--orange);}
a:focus-visible,button:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
dl,dd,dt{margin:0;}
button{font-family:inherit;}
.num,.stat-num{font-family:var(--font-num);letter-spacing:.02em;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:768px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ---------- 顶部合规细条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13px;}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:38px;padding-top:7px;padding-bottom:7px;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.topbar p{line-height:1.5;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,247,244,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,38,32,.07);background:rgba(246,247,244,.98);}
.header-inner{display:flex;align-items:center;gap:22px;height:74px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:62px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--dim);letter-spacing:.2em;}
.chip-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;overflow-x:auto;padding:4px 2px;scrollbar-width:none;-ms-overflow-style:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:36px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:rgba(47,211,168,.12);color:var(--brand);border-color:rgba(47,211,168,.45);}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
.chip.is-active:hover{background:var(--ink-2);color:#fff;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.header-link{font-size:14px;font-weight:500;color:var(--muted);}
.header-link:hover{color:var(--orange);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:var(--mint);background:rgba(47,211,168,.08);}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
@media (min-width:992px){
  .btn-main,.btn-ghost{height:52px;}
}
.btn-main{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-main:hover{background:var(--orange);color:#fff;filter:brightness(96%);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.32);}
.btn-main:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.24);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(31,107,87,.08);color:var(--brand);border-color:var(--brand);}
.btn-main:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--mint);outline-offset:4px;}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.4;pointer-events:none;}
.btn-header{height:42px;padding:0 20px;font-size:14px;box-shadow:none;}
.btn-sm{height:44px;padding:0 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--dim);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb [aria-current]{color:var(--text);font-weight:500;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:992px){
  .section{padding:88px 0;}
}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:clamp(22px,2.8vw,34px);line-height:1.25;}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);}

/* ---------- 首屏 ---------- */
.hero-center{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:52px 0 48px;
}
@media (min-width:992px){
  .hero-center{padding:76px 0 68px;}
}
.hero-inner{max-width:780px;margin:0 auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(47,211,168,.14);color:var(--brand);font-size:13px;font-weight:500;margin-bottom:18px;
}
.hero-inner h1{font-size:clamp(28px,4.4vw,52px);line-height:1.18;font-weight:700;}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--muted);}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-stats{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.hero-stats li{
  flex:1 1 150px;min-width:140px;max-width:220px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--sh-1);text-align:left;
}
.hero-stats b{display:block;font-family:var(--font-num);font-size:26px;line-height:1.2;color:var(--brand);}
.hero-stats span{display:block;margin-top:2px;font-size:13px;color:var(--dim);}

/* ---------- 卖点三连 ---------- */
.value-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){
  .value-grid{grid-template-columns:repeat(3,1fr);gap:24px;}
}
.value-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.value-card:hover{transform:translateY(-4px);border-color:rgba(47,211,168,.55);box-shadow:var(--sh-hover);}
.value-icon{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--brand);
  display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:16px;
}
.value-icon svg{width:22px;height:22px;}
.value-card h3{font-size:18px;margin-bottom:10px;}
.value-card p{font-size:15px;color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:28px;}
@media (min-width:768px){
  .timeline{padding-left:44px;}
}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--mint),var(--line));
}
@media (min-width:768px){
  .timeline::before{left:13px;}
}
.tl-item{position:relative;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:26px;width:12px;height:12px;border-radius:50%;
  background:var(--orange);border:2px solid #fff;box-shadow:0 0 0 1px var(--line);z-index:1;
}
.tl-item:nth-child(even)::before{background:var(--mint);}
@media (min-width:768px){
  .tl-item::before{left:-36px;}
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(47,211,168,.5);box-shadow:var(--sh-hover);}
.tl-num{font-family:var(--font-num);font-size:15px;font-weight:600;letter-spacing:.08em;color:var(--orange);}
.tl-card h3{font-size:20px;margin:6px 0 10px;}
.tl-card>p{font-size:15px;color:var(--muted);}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-points li{
  font-size:13px;font-weight:500;color:var(--brand);
  background:rgba(47,211,168,.12);border-radius:999px;padding:4px 12px;
}

/* ---------- 深色横幅 ---------- */
.band{
  position:relative;color:#fff;padding:56px 0;
  background-image:
    linear-gradient(90deg,rgba(14,38,32,.94) 0%,rgba(14,38,32,.62) 60%,rgba(14,38,32,.42) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
}
@media (min-width:992px){
  .band{padding:76px 0;}
}
.band-inner{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:992px){
  .band-inner{grid-template-columns:1.1fr 1fr;align-items:center;gap:56px;}
}
.band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
.band-text p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:540px;}
.band-stats{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:576px){
  .band-stats{grid-template-columns:repeat(3,1fr);}
}
.band-stats li{
  border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:18px 16px;
  background:rgba(255,255,255,.05);
}
.band-stats b{display:block;font-family:var(--font-num);font-size:28px;line-height:1.2;color:var(--mint);}
.band-stats span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:992px){
  .split{grid-template-columns:1fr 1fr;gap:56px;}
}
.split-media img{
  width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--sh-2);
}
.term-list{border-top:1px solid var(--line);margin-top:24px;}
.term-list>div{display:grid;grid-template-columns:1fr;gap:6px;padding:16px 0;border-bottom:1px solid var(--line);}
@media (min-width:576px){
  .term-list>div{grid-template-columns:170px 1fr;gap:20px;align-items:baseline;}
}
.term-list dt{font-size:16px;font-weight:600;color:var(--brand);}
.term-list dd{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-header{margin:0;}
.accordion-button{
  position:relative;width:100%;background:transparent;border:0;border-radius:0;
  padding:22px 44px 22px 18px;font-size:17px;font-weight:600;line-height:1.5;color:var(--text);
  text-align:left;transition:color .2s ease,padding-left .2s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:none;}
.accordion-button:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.accordion-button::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;
  background:var(--orange);opacity:0;transition:opacity .2s ease;
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  width:18px;height:18px;background-size:18px 18px;background-position:center;background-repeat:no-repeat;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F6B57' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(0deg);transition:transform .25s ease;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FF6A2B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(135deg);
}
.accordion-body{padding:0 44px 20px 18px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA 横幅 ---------- */
.cta-section{padding:0 0 56px;}
@media (min-width:992px){
  .cta-section{padding:0 0 88px;}
}
.cta-banner{
  position:relative;border-radius:20px;overflow:hidden;color:#fff;
  padding:40px 26px;
  background-image:
    linear-gradient(100deg,rgba(14,38,32,.95) 0%,rgba(20,56,47,.74) 65%,rgba(20,56,47,.58) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover,cover;background-position:center,center;background-repeat:no-repeat,no-repeat;
}
@media (min-width:992px){
  .cta-banner{padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:48px;}
}
.cta-banner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-banner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:580px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
@media (min-width:992px){
  .cta-actions{margin-top:0;flex:0 0 auto;}
}
.cta-banner .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-banner .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
}
@media (min-width:992px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;}
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;}
.footer-brand b{font-size:17px;font-weight:700;color:#fff;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li:last-child{margin-bottom:0;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--orange);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);margin-bottom:12px;}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--mint);}
.footer-top{border-top:1px solid rgba(255,255,255,.08);padding-top:44px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 88px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (min-width:992px){
  .footer-bottom{padding-bottom:28px;}
}

/* ---------- 移动端抽屉 ---------- */
.offcanvas-end{width:min(88vw,360px);}
.offcanvas{background:var(--bg);color:var(--text);}
.offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--line);}
.offcanvas-title{font-size:16px;font-weight:600;color:var(--ink);}
.offcanvas-body{padding:20px;}
.chip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.chip-grid .chip{width:100%;height:42px;padding:0 10px;}
.offcanvas-cta{margin-top:24px;display:grid;gap:12px;}
.offcanvas-cta .btn-main,.offcanvas-cta .btn-ghost{width:100%;}

/* ---------- 底部固定转化条 ---------- */
.float-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;align-items:center;gap:12px;
  height:64px;padding:0 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(14,38,32,.08);
  transform:translateY(12px);opacity:0;pointer-events:none;
  transition:transform .2s ease,opacity .2s ease;
}
.float-cta.is-show{transform:translateY(0);opacity:1;pointer-events:auto;}
.float-cta-label{flex:1 1 auto;min-width:0;font-size:13px;color:var(--muted);}
.float-cta .btn-main{flex:0 0 40%;width:40%;padding:0 12px;}
.float-close{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;cursor:pointer;transition:color .2s ease,border-color .2s ease;
}
.float-close:hover{color:var(--orange);border-color:var(--orange-soft);}
@media (min-width:992px){
  .float-cta{
    left:auto;right:24px;bottom:24px;width:380px;height:auto;display:block;
    padding:18px 20px 16px;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--sh-hover);
  }
  .float-cta-label{display:block;font-size:14px;font-weight:600;color:var(--text);padding-right:32px;margin-bottom:12px;}
  .float-cta .btn-main{width:100%;flex:none;}
  .float-close{position:absolute;right:10px;top:10px;width:28px;height:28px;font-size:14px;}
}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:16px;bottom:80px;z-index:1035;
  width:44px;height:44px;border-radius:50%;border:0;background:var(--ink);color:#fff;
  display:none;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 12px 28px rgba(14,38,32,.24);
}
.back-top svg{width:20px;height:20px;}
.back-top.is-show{display:inline-flex;}
@media (min-width:992px){
  .back-top.is-show{display:none;}
}

/* roulang page: category4 */
:root{
  --ink:#0E2620;
  --ink-2:#14382F;
  --brand:#1F6B57;
  --brand-deep:#175344;
  --orange:#FF6A2B;
  --orange-soft:#FFB27A;
  --mint:#2FD3A8;
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5D6B65;
  --text-3:#8A968F;
  --line:#DDE5E0;
  --danger:#C0392B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-3:0 16px 36px rgba(14,38,32,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
a:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
button{font-family:inherit}
.num{font-family:var(--font-num);letter-spacing:.02em;font-feature-settings:"tnum" 1}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1400px){.container{max-width:1320px}}

/* ---------- 顶部合规细条 ---------- */
.legal-bar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;line-height:1.5}
.legal-bar .container{display:flex;align-items:center;gap:10px;min-height:36px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.legal-bar strong{color:#fff;font-weight:600}
.legal-bar span{color:rgba(255,255,255,.55)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:height .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header .header-inner{
  height:72px;display:flex;align-items:center;gap:20px;
  transition:height .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(14,38,32,.08);border-bottom-color:#cfd9d4}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:0}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.06em}
.chip-nav{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;
  overflow-x:auto;justify-content:center;
  scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px;
}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:rgba(47,211,168,.10);color:var(--brand);border-color:rgba(47,211,168,.55);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-active:hover{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease;
  text-align:center;
}
.btn-main:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.32);filter:brightness(.96)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main:focus-visible{outline:2px solid var(--mint);outline-offset:4px}
.btn-main:disabled{opacity:.4;pointer-events:none}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1.5px solid var(--brand);border-radius:999px;
  background:transparent;color:var(--brand);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-line:hover{background:rgba(31,107,87,.08);color:var(--brand);transform:translateY(-1px)}
.btn-line:active{transform:translateY(0)}
.btn-line:focus-visible{outline:2px solid var(--mint);outline-offset:4px}
.btn-line.on-dark{border-color:rgba(255,255,255,.5);color:#fff}
.btn-line.on-dark:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-main.on-dark{background:#fff;color:var(--ink)}
.btn-main.on-dark:hover{color:var(--ink);box-shadow:0 12px 26px rgba(0,0,0,.25)}
.header-cta{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--bg-alt);border-color:#cfd9d4}
.nav-toggle:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.nav-toggle svg{width:20px;height:20px}
@media(max-width:1199.98px){
  .chip-nav{justify-content:flex-start}
  .header-cta{display:none}
}
@media(max-width:991.98px){
  .chip-nav{display:none}
  .nav-toggle{display:inline-flex}
}
.drawer-title{font-size:16px;font-weight:600;color:var(--ink)}
.mobile-drawer{width:320px;max-width:88vw;border-left:1px solid var(--line)}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-drawer .offcanvas-body{padding:20px}
.drawer-chips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-chips .chip{height:44px;justify-content:center;font-size:14px}
.drawer-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.drawer-foot .btn-main{width:100%}
.mobile-drawer .btn-close:focus{box-shadow:none;outline:2px solid var(--mint);outline-offset:2px}

/* ---------- 面包屑 + 页头图区 ---------- */
.page-banner{
  position:relative;color:#fff;
  background-image:linear-gradient(100deg,rgba(14,38,32,.90) 0%,rgba(14,38,32,.66) 48%,rgba(14,38,32,.20) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:44px 0 48px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--orange-soft)}
.crumb .sep{color:rgba(255,255,255,.4)}
.crumb-current{color:#fff;font-weight:600}
.page-banner-lead{max-width:640px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:18px}
.page-banner-tags{display:flex;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(47,211,168,.14);color:#0F6B55;font-size:12px;font-weight:500;letter-spacing:.02em;
}
.page-banner .tag{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22)}
.tag-gray{background:var(--bg-alt);color:var(--text-2)}

/* ---------- 文档型两栏 ---------- */
.doc-wrap{padding:40px 0 72px}
.doc-layout{display:grid;grid-template-columns:296px minmax(0,1fr);gap:48px;align-items:start}
.doc-aside{position:sticky;top:96px}
@media(max-width:991.98px){
  .doc-layout{grid-template-columns:1fr;gap:28px}
  .doc-aside{position:static}
  .doc-wrap{padding:28px 0 56px}
}
.doc-title{
  font-size:clamp(26px,2.6vw,34px);line-height:1.28;font-weight:700;margin-bottom:14px;
}
.doc-title span{display:block;color:var(--brand)}
.doc-sub{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:22px}
.toc-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 18px 12px;box-shadow:var(--sh-1)}
.toc-box h3{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.08em;margin-bottom:10px}
.toc{list-style:none;border-left:2px solid var(--line)}
.toc a{
  display:block;margin-left:-2px;padding:9px 0 9px 16px;border-left:2px solid transparent;
  font-size:14px;color:var(--text-2);transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.toc a:hover{color:var(--brand);background:rgba(47,211,168,.08)}
.toc a.is-active{color:var(--ink);font-weight:600;border-left-color:var(--orange)}
.aside-card{
  margin-top:20px;background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--sh-2);
}
.aside-card h3{color:#fff;font-size:17px;margin-bottom:8px}
.aside-card p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:16px}
.aside-card .btn-main{width:100%;height:44px;font-size:14px}

.doc-sec{padding-top:34px;margin-top:34px;border-top:1px solid var(--line)}
.doc-sec:first-child{padding-top:0;margin-top:0;border-top:0}
.sec-title{
  position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,30px);
  line-height:1.3;font-weight:600;margin-bottom:12px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  background:var(--brand);border-radius:2px;
}
.sec-lead{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:20px}

/* ---------- 步骤列表 ---------- */
.steps{list-style:none;display:grid;gap:14px}
.steps li{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(47,211,168,.55)}
.step-num{
  flex:0 0 44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(31,107,87,.08);border:1px solid rgba(31,107,87,.22);color:var(--brand);
  font-family:var(--font-num);font-size:22px;font-weight:700;
}
.steps h4{font-size:17px;margin-bottom:4px}
.steps p{font-size:15px;color:var(--text-2);line-height:1.75;margin:0}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch;
}
.data-table{width:100%;min-width:660px;border-collapse:collapse;font-size:15px}
.data-table th{
  background:var(--bg-alt);color:var(--text-2);font-size:14px;font-weight:600;text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top;line-height:1.7}
.data-table tbody tr:nth-child(even){background:#FAFBFA}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table td:first-child{font-weight:600;color:var(--text);white-space:nowrap}
.data-table tbody tr:hover{background:rgba(47,211,168,.06)}
.table-note{font-size:13px;color:var(--text-3);margin-top:10px}

/* ---------- 图文场景区 ---------- */
.scene-block{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-2);
}
.scene-block figure{margin:0}
.scene-block img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.scene-block figcaption{font-size:13px;color:var(--text-3);margin-top:10px;line-height:1.6}
.scene-list{list-style:none;display:grid;gap:14px}
.scene-list li{padding-left:16px;border-left:3px solid var(--mint)}
.scene-list li:nth-child(2){border-left-color:var(--orange)}
.scene-list li:nth-child(3){border-left-color:var(--brand)}
.scene-list b{display:block;font-size:17px;font-weight:600;margin-bottom:4px}
.scene-list span{font-size:15px;color:var(--text-2);line-height:1.75}
@media(max-width:767.98px){.scene-block{grid-template-columns:1fr;padding:18px}}

/* ---------- 编号排查列表 ---------- */
.ord-list{list-style:none;counter-reset:ord;border-top:1px solid var(--line)}
.ord-list li{
  position:relative;counter-increment:ord;
  padding:20px 0 20px 76px;border-bottom:1px dashed var(--line);
}
.ord-list li::before{
  content:counter(ord,decimal-leading-zero);position:absolute;left:0;top:16px;
  font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--mint);line-height:1;
}
.ord-list h4{font-size:17px;margin-bottom:5px}
.ord-list p{font-size:15px;color:var(--text-2);line-height:1.75;margin:0}

/* ---------- FAQ ---------- */
.faq-accordion{border-top:1px solid var(--line)}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-accordion .accordion-button{
  background:transparent;border:0;box-shadow:none;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.5;padding:20px 44px 20px 14px;border-radius:0;
  transition:color .18s ease,box-shadow .18s ease,background .18s ease;
}
.faq-accordion .accordion-button:hover{color:var(--brand)}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);background:transparent;box-shadow:inset 3px 0 0 var(--orange);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--mint);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;font-size:24px;font-weight:400;
  color:var(--orange);line-height:1;display:flex;align-items:center;justify-content:flex-end;
  transition:transform .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq-accordion .accordion-body{
  font-size:15px;line-height:1.85;color:var(--text-2);padding:0 44px 22px 14px;
}
.faq-accordion .accordion-body strong{color:var(--text);font-weight:600}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;color:#fff;margin-top:44px;
  background-image:linear-gradient(100deg,rgba(14,38,32,.95) 0%,rgba(20,56,47,.86) 55%,rgba(20,56,47,.72) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:36px 34px;display:flex;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,28px);line-height:1.35;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;margin:0;max-width:520px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
@media(max-width:767.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-line{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:72px;padding-top:56px;font-size:14px}
.footer-top{border-top:1px solid rgba(255,255,255,.08);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--brand);width:34px;height:34px;border-radius:10px}
.footer-brand b{color:#fff;font-size:16px;font-weight:700}
.footer-col p{color:rgba(255,255,255,.62);line-height:1.8;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{color:rgba(255,255,255,.68)}
.footer-col ul a:hover{color:var(--orange)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;color:rgba(255,255,255,.66);line-height:1.7}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;color:var(--mint)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}

/* ---------- 底部转化条 ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;align-items:center;gap:12px;
  height:64px;padding:0 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(14,38,32,.08);
  transform:translateY(110%);opacity:0;pointer-events:none;
  transition:transform .2s ease,opacity .2s ease;
}
.convert-bar.is-visible{transform:translateY(0);opacity:1;pointer-events:auto}
.convert-label{flex:1 1 auto;min-width:0;font-size:14px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.convert-btn{flex:0 0 42%;height:44px;padding:0 16px;font-size:14px}
.convert-close{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-3);cursor:pointer;font-size:16px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:color .18s ease,border-color .18s ease;
}
.convert-close:hover{color:var(--orange);border-color:var(--orange)}
.convert-close:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
@media(min-width:992px){
  .convert-bar{
    left:auto;right:24px;bottom:24px;width:380px;height:auto;
    flex-wrap:wrap;gap:10px;padding:18px;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--sh-2);transform:translateY(12px);
  }
  .convert-bar.is-visible{transform:translateY(0)}
  .convert-label{flex:1 1 100%;white-space:normal}
  .convert-btn{flex:1 1 100%;width:100%}
  .convert-close{position:absolute;top:10px;right:12px;border-color:transparent}
}
/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:16px;bottom:80px;z-index:1035;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);box-shadow:var(--sh-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,color .18s ease,border-color .18s ease;
}
.back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{color:var(--orange);border-color:var(--orange)}
.back-top:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.back-top svg{width:20px;height:20px}
@media(min-width:992px){.back-top{display:none}}

/* ---------- 订阅表单 ---------- */
.form-note{font-size:13px;color:var(--text-3)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--text-2);margin-bottom:6px}
.field input{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--text);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,107,87,.14)}
.field input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(192,57,43,.12)}
.field .error-text{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.field.has-error .error-text{display:block}
.form-status{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);font-size:14px}
.form-status.ok{display:block;background:rgba(47,211,168,.14);color:#0F6B55}
.form-status.bad{display:block;background:rgba(192,57,43,.10);color:var(--danger)}

/* roulang page: category5 */
:root{
  --deep:#0E2620;
  --deep-2:#14382F;
  --brand:#1F6B57;
  --accent:#FF6A2B;
  --accent-soft:#FFB27A;
  --mint:#2FD3A8;
  --bg:#F6F7F4;
  --bg-alt:#EDF1EC;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5D6B65;
  --text-3:#8A968F;
  --line:#DDE5E0;
  --r-card:16px;
  --r-img:12px;
  --r-ctrl:10px;
  --sh-1:0 1px 2px rgba(14,38,32,.06);
  --sh-2:0 8px 24px rgba(14,38,32,.05);
  --sh-3:0 16px 36px rgba(14,38,32,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Oswald",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 顶部合规细条 ---------- */
.topbar{background:var(--deep);color:rgba(255,255,255,.84);font-size:13px;}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.topbar p{line-height:1.5;}

/* ---------- 头部与导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(14,38,32,.08);}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px;transition:min-height .25s ease;}
.site-header.is-scrolled .header-inner{min-height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--deep);}
.brand:hover{color:var(--deep);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--deep);color:var(--mint);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--brand);background:rgba(47,211,168,.14);border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:2px;}

.chip-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;flex:1 1 auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.chip:hover{background:rgba(47,211,168,.10);color:var(--brand);border-color:rgba(47,211,168,.4);}
.chip.is-active{background:var(--deep);color:#fff;border-color:var(--deep);}
.chip.is-active:hover{background:var(--deep-2);color:#fff;}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.link-soft{font-size:14px;color:var(--text-2);}
.link-soft:hover{color:var(--accent);}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;}

@media (max-width:991.98px){
  .chip-nav,.link-soft{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{height:38px;padding:0 14px;font-size:13px;}
}

.mobile-nav{width:300px;background:#fff;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 18px;}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:600;}
.mobile-nav .offcanvas-body{padding:18px;}
.mobile-chips{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-chips .chip{height:42px;justify-content:center;width:100%;}
.mobile-nav-foot{padding:16px;border-top:1px solid var(--line);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-ctrl);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-align:center;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-primary:hover,.btn-primary:focus{background:#ff7b42;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.30);}
.btn-primary:active{transform:none;box-shadow:0 4px 12px rgba(255,106,43,.24);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(31,107,87,.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn.is-disabled,.btn:disabled{opacity:.4;pointer-events:none;}

/* ---------- 面包屑 ---------- */
.crumb-nav{padding:18px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--accent);}
.crumb li[aria-current="page"]{color:var(--text);font-weight:500;}

/* ---------- 首屏 ---------- */
.page-hero{padding:34px 0 62px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:992px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand);background:rgba(47,211,168,.12);border-radius:999px;padding:5px 12px;}
.hero-title{font-size:clamp(28px,4.4vw,52px);line-height:1.18;font-weight:700;margin-top:16px;letter-spacing:-.01em;}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:var(--text-2);max-width:58ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
@media (min-width:576px){.hero-stats{grid-template-columns:repeat(4,1fr);}}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats b{font-family:var(--font-num);font-size:28px;line-height:1.1;font-weight:600;color:var(--deep);letter-spacing:.02em;}
.hero-stats span{font-size:13px;color:var(--text-3);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-2);}
.hero-media figcaption{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- 板块 ---------- */
.section{padding:56px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;}
.section-title{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:600;margin-top:14px;}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15px;}

/* ---------- 筛选与图文墙 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.filter-chip{height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.filter-chip:hover{border-color:rgba(47,211,168,.5);color:var(--brand);background:rgba(47,211,168,.08);}
.filter-chip.is-active{background:var(--deep);color:#fff;border-color:var(--deep);}
.filter-chip:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}

.card-wall{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.card-wall{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.card-wall{grid-template-columns:repeat(3,1fr);gap:24px;}}

.qa-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;color:inherit;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.qa-card:hover,.qa-card:focus-visible{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(47,211,168,.55);color:inherit;}
.qa-card.is-hidden{display:none;}
.qa-media{display:block;overflow:hidden;}
.qa-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.qa-card:hover .qa-media img{transform:scale(1.04);}
.qa-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 0;}
.qa-badge{align-self:flex-start;font-size:12px;font-weight:500;color:var(--brand);background:rgba(47,211,168,.14);border-radius:999px;padding:3px 10px;}
.qa-title{font-size:18px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.qa-desc{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.qa-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding:16px 22px 20px;font-size:13px;color:var(--text-3);}
.qa-foot .arrow{color:var(--accent);font-size:16px;transition:transform .2s ease;}
.qa-card:hover .qa-foot .arrow{transform:translateX(4px);}

/* ---------- 问答折叠 ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 24px;box-shadow:var(--sh-1);}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-button{background:transparent;color:var(--text);font-size:17px;font-weight:600;line-height:1.5;padding:20px 46px 20px 16px;border-left:3px solid transparent;position:relative;box-shadow:none;transition:border-color .2s ease,color .2s ease;}
.faq-accordion .accordion-button:not(.collapsed){color:var(--text);border-left-color:var(--accent);background:transparent;}
.faq-accordion .accordion-button:hover{color:var(--brand);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--mint);outline-offset:-2px;}
.faq-accordion .accordion-button::after{content:"+";background-image:none;font-family:var(--font-num);font-size:22px;font-weight:500;color:var(--brand);width:24px;height:24px;display:flex;align-items:center;justify-content:center;position:absolute;right:12px;top:50%;transform:translateY(-50%);margin:0;}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent);}
.faq-accordion .accordion-body{padding:0 46px 22px 16px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- 深色步骤区 ---------- */
.tips-section{background:var(--deep);color:rgba(255,255,255,.86);position:relative;overflow:hidden;}
.tips-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.14;}
.tips-section .container{position:relative;z-index:1;}
.tips-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:992px){.tips-grid{grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}}
.tips-section h2{color:#fff;font-size:clamp(22px,2.8vw,34px);line-height:1.25;margin-top:14px;}
.tips-head p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.70);}
.eyebrow-light{color:var(--mint);background:rgba(47,211,168,.14);}
.tips-list{display:flex;flex-direction:column;gap:22px;}
.tips-list li{display:flex;gap:18px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.12);}
.tips-list li:last-child{border-bottom:0;padding-bottom:0;}
.tip-no{font-family:var(--font-num);font-size:26px;font-weight:600;color:var(--mint);line-height:1.1;flex:0 0 auto;letter-spacing:.02em;}
.tips-list h3{color:#fff;font-size:17px;font-weight:600;}
.tips-list p{margin-top:8px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);}

/* ---------- 结尾横幅 ---------- */
.cta-band{position:relative;background:var(--deep-2);color:#fff;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.18;}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{display:flex;flex-direction:column;gap:22px;padding:56px 0;}
@media (min-width:992px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:72px 0;gap:40px;}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.76);font-size:15px;max-width:60ch;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.78);padding-top:56px;}
.footer-top{padding-bottom:36px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px 40px;}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;background:rgba(255,255,255,.08);color:var(--mint);}
.footer-brand .brand-mark svg{width:18px;height:18px;}
.footer-brand b{color:#fff;font-size:16px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--mint);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-direction:column;gap:8px;}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;gap:20px;}}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 底部转化条 ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:1050;display:flex;align-items:center;gap:10px;padding:10px 16px;background:rgba(14,38,32,.97);color:#fff;box-shadow:0 -6px 20px rgba(14,38,32,.22);transform:translateY(12px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;}
.sticky-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.sticky-cta.is-closed{display:none;}
.sticky-label{flex:1 1 auto;font-size:13px;color:rgba(255,255,255,.86);line-height:1.4;}
.sticky-cta .btn{height:42px;padding:0 16px;font-size:14px;flex:0 0 auto;}
.sticky-close{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;color:rgba(255,255,255,.8);font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:575.98px){.sticky-cta .btn{width:40%;padding:0 8px;}}
@media (min-width:992px){
  .sticky-cta{left:auto;right:24px;bottom:24px;width:380px;border-radius:16px;padding:16px;box-shadow:var(--sh-3);}
  .sticky-label{font-size:14px;}
}

.to-top{position:fixed;right:16px;bottom:84px;z-index:1040;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);color:var(--accent);}
@media (min-width:992px){.to-top{right:24px;bottom:130px;}}