/* roulang page: index */
:root{
  --brand-900:#0B3B34;
  --brand-700:#0F7A6C;
  --brand-500:#17A38C;
  --brand-300:#6FD8BE;
  --accent-600:#E4572E;
  --accent-400:#FF9A4D;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#16211E;
  --muted:#5C6B66;
  --line:#E3E9E5;
  --soft:#F1F7F4;
  --radius-card:20px;
  --radius-img:16px;
  --shadow-1:0 2px 8px rgba(11,59,52,.06);
  --shadow-2:0 12px 32px rgba(11,59,52,.10);
  --shadow-3:0 24px 56px rgba(11,59,52,.16);
  --grad-brand:linear-gradient(135deg,#0F7A6C,#17A38C 55%,#6FD8BE);
  --grad-cta:linear-gradient(120deg,#E4572E,#FF9A4D);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-0.01em;line-height:1.35}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:8px;
  box-shadow:0 0 0 4px rgba(23,163,140,.18);
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 布局骨架 ============ */
.site{display:flex;align-items:stretch;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;
  background:var(--surface);
  border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  overflow-y:auto;
  z-index:70;
}
.content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}

/* ============ 品牌 ============ */
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 22px;border-bottom:1px solid var(--line);margin-bottom:18px}
.brand__mark{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:-.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,122,108,.24);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text b{font-size:15px;font-weight:800;color:var(--ink)}
.brand__text em{font-style:normal;font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* ============ 侧边导航 ============ */
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav__label{font-size:12px;color:var(--muted);letter-spacing:.14em;padding:6px 12px 8px}
.side-nav__item{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-nav__item i{width:18px;text-align:center;font-size:14px;color:var(--brand-500)}
.side-nav__item:hover{background:var(--soft);color:var(--brand-700)}
.side-nav__item.is-active{
  background:var(--soft);color:var(--brand-700);font-weight:700;
  border-left-color:var(--brand-500);
}
.side-divider{height:1px;background:var(--line);margin:18px 6px}
.side-cta{display:block;text-align:center;margin:0 2px}
.side-foot{margin-top:auto;padding:18px 8px 4px;font-size:12px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line)}
.side-foot b{display:block;color:var(--ink);font-size:12.5px;font-weight:700;margin-bottom:2px}

/* ============ 移动端顶栏 ============ */
.mobile-bar{display:none;height:56px;align-items:center;justify-content:space-between;padding:0 18px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80}
.mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px}
.mobile-brand span.mark{width:30px;height:30px;border-radius:9px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}
.mobile-toggle{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-700);font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}
.mobile-toggle:hover{background:var(--soft);border-color:var(--brand-300)}

.drawer-mask{position:fixed;inset:0;background:rgba(11,59,52,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
  background:var(--surface);z-index:100;padding:22px 18px;
  transform:translateX(-104%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;overflow-y:auto;box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background-position .35s ease,border-color .25s ease,color .25s ease,background-color .25s ease;
}
.btn--primary{background-image:var(--grad-cta);background-size:150% 100%;background-position:0 50%;color:#fff;box-shadow:0 10px 22px rgba(228,87,46,.26)}
.btn--primary:hover{transform:translateY(-1px);background-position:14% 50%;box-shadow:0 16px 30px rgba(228,87,46,.34)}
.btn--ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn--light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.42);color:#fff}
.btn--light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14.5px}
.text-link i{font-size:12px;transition:transform .25s ease}
.text-link:hover i{transform:translateX(3px)}

/* ============ 通用板块头 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--brand-700);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-500)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px}
.section-head h2{font-size:29px;font-weight:800}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:640px}
.section-head--center{flex-direction:column;align-items:center;text-align:center}
.section-head--center p{margin-left:auto;margin-right:auto}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 12% -10%,rgba(23,163,140,.14),transparent 62%),
             radial-gradient(700px 380px at 100% 0%,rgba(111,216,190,.20),transparent 60%);
  pointer-events:none;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand-700);
  box-shadow:var(--shadow-1);margin-bottom:22px;
}
.hero__tag i{font-size:12px}
.hero h1{font-size:42px;font-weight:800;line-height:1.28;margin-bottom:20px}
.hero h1 mark{background:none;color:var(--brand-700);position:relative}
.hero h1 mark::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;background:rgba(111,216,190,.42);border-radius:4px;z-index:-1}
.hero__sub{font-size:17.5px;color:var(--muted);line-height:1.85;max-width:560px;margin-bottom:30px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:9px 18px 9px 14px;box-shadow:var(--shadow-1);
}
.badge__dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 8px}
.badge__dot--accent{background:var(--accent-600)}
.badge__key{font-size:12px;color:var(--muted);letter-spacing:.04em}
.badge__val{font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-2)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual__veil{position:absolute;inset:0;background:var(--grad-brand);opacity:.12}
.hero-visual__card{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border-radius:16px;padding:16px 18px;display:flex;align-items:center;gap:14px;
  box-shadow:var(--shadow-1);
}
.hero-visual__card i{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--soft);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:16px}
.hero-visual__card b{display:block;font-size:14.5px}
.hero-visual__card span{font-size:12.5px;color:var(--muted)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3E3DC}
.card__media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__tag{
  position:absolute;top:14px;left:14px;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(23,163,140,.18);
}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:17.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__title a:hover{color:var(--brand-700)}
.card__desc{color:var(--muted);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line)}
.card__meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}

/* ============ 评价轮播 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--brand-300) transparent;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-track{background:var(--line);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:var(--brand-300);border-radius:999px}
.rail::-webkit-scrollbar-thumb:hover{background:var(--brand-500)}
.review{
  flex:0 0 316px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.review__head{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.review__name{font-size:14.5px;font-weight:700}
.review__src{font-size:12px;color:var(--muted)}
.stars{display:flex;gap:3px;color:var(--brand-500);font-size:12.5px}
.stars .off{color:#CFDAD5}
.review__text{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review__tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-700);background:var(--soft);border-radius:999px;padding:4px 12px}
.rail-btn{
  position:absolute;top:44%;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--brand-700);
  cursor:pointer;box-shadow:var(--shadow-1);display:flex;align-items:center;justify-content:center;
  transition:background .2s,box-shadow .2s,transform .2s;z-index:5;
}
.rail-btn:hover{background:var(--soft);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.rail-btn--prev{left:-6px}
.rail-btn--next{right:-6px}

/* ============ 保障条 ============ */
.guarantee{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;
}
.guarantee__item{display:flex;gap:14px;align-items:flex-start}
.guarantee__icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;
  background:var(--soft);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.guarantee__item h3{font-size:16px;font-weight:700;margin-bottom:4px}
.guarantee__item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 数据带 ============ */
.stat-band{
  background:var(--grad-brand);border-radius:24px;padding:44px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;
}
.stat-band__item{border-left:1px solid rgba(255,255,255,.28);padding-left:22px}
.stat-band__item:first-child{border-left:0;padding-left:0}
.stat-band__num{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-band__label{font-size:14px;opacity:.9;margin-top:6px}

/* ============ CMS 列表 ============ */
.post-list .card__media{aspect-ratio:16/10}
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--radius-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:36px 24px;background:var(--surface);
}
.empty-state i{font-size:26px;color:var(--brand-300)}
.empty-state p{color:var(--muted);font-size:14.5px}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto}
.faq-list .accordion{background:transparent;border:0;margin:0}
.faq-list .accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:16px;
  margin-bottom:10px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-list .accordion-item:hover{border-color:#CFE2DB!important;box-shadow:var(--shadow-1)}
.faq-list .accordion-title{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  background:transparent;border:0;transition:color .25s ease;
}
.faq-list .accordion-title:hover{color:var(--brand-700)}
.faq-list .accordion-title::before{
  content:"+";position:static;order:2;margin:0 0 0 auto;top:auto;right:auto;
  font-size:19px;font-weight:700;line-height:1;color:var(--brand-700);
  transition:transform .3s ease,color .3s ease;
}
.faq-list .accordion-title[aria-expanded="true"]{color:var(--brand-700)}
.faq-list .accordion-title[aria-expanded="true"]::before{content:"+";transform:rotate(90deg);color:var(--accent-600)}
.faq-list .accordion-content{
  padding:0 22px 20px;background:var(--soft);border:0;
  font-size:14.5px;color:var(--muted);line-height:1.85;
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad-brand);border-radius:24px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  right:-90px;top:-120px;background:rgba(255,255,255,.12);
}
.cta-band h2{font-size:28px;font-weight:800;margin-bottom:10px;color:#fff}
.cta-band p{font-size:15px;opacity:.92;max-width:620px}
.cta-band__actions{position:relative;z-index:2;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C9DCD7;margin-top:auto;padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);color:#fff;
  font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.footer-brand b{color:#fff;font-size:16px;font-weight:800;display:block;line-height:1.3}
.footer-brand span{font-size:12.5px;color:#8FB3AC}
.site-footer p{font-size:13.5px;line-height:1.9;color:#A8C6C0}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer a{font-size:13.5px;color:#B6D2CC;transition:color .2s ease}
.site-footer a:hover{color:var(--brand-300)}
.footer-qr{
  width:96px;height:96px;border-radius:14px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;
  color:var(--brand-300);font-size:24px;margin-top:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:#8FB3AC;
}
.footer-bottom span{font-variant-numeric:tabular-nums}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .site{display:block}
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .hero{padding:52px 0 64px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero__sub{font-size:16px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .stat-band{grid-template-columns:1fr;gap:22px;padding:36px 28px}
  .stat-band__item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.28);padding-top:18px}
  .stat-band__item:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;padding:38px 30px}
  .rail-btn{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:639px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .hero{padding:40px 0 52px}
  .hero h1{font-size:26px}
  .hero__sub{font-size:15px}
  .hero__actions{gap:10px}
  .hero__actions .btn{width:100%}
  .section{padding:52px 0}
  .section--tight{padding:40px 0}
  .section-head h2{font-size:23px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .guarantee{grid-template-columns:1fr;padding:24px 20px}
  .review{flex:0 0 84%}
  .cta-band{padding:30px 22px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-visual__card{left:14px;right:14px;bottom:14px;padding:13px 14px}
  .badge{padding:8px 15px 8px 12px}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B34;
  --brand-700:#0F7A6C;
  --brand-500:#17A38C;
  --brand-300:#6FD8BE;
  --accent-600:#E4572E;
  --accent-400:#FF9A4D;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#16211E;
  --muted:#5C6B66;
  --line:#E3E9E5;
  --soft:#F1F7F4;
  --shadow-1:0 2px 8px rgba(11,59,52,.06);
  --shadow-2:0 12px 32px rgba(11,59,52,.10);
  --shadow-3:0 24px 56px rgba(11,59,52,.16);
  --radius-card:20px;
  --radius-img:16px;
  --radius-pill:999px;
  --grad-brand:linear-gradient(135deg,#0F7A6C,#17A38C 55%,#6FD8BE);
  --grad-cta:linear-gradient(120deg,#E4572E,#FF9A4D);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.35}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:22px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;box-shadow:0 0 0 4px rgba(23,163,140,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 布局：左侧竖向导航 + 右侧内容 */
.layout{display:flex;align-items:stretch;min-height:100vh}
.sidebar{flex:0 0 var(--sidebar-w);width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--line);z-index:60}
.sidebar__inner{position:sticky;top:0;height:100vh;padding:22px 16px 20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px;border-bottom:1px solid var(--line)}
.brand__mark{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:var(--shadow-1);flex:0 0 40px}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text b{font-size:15px;font-weight:800;color:var(--brand-900)}
.brand__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav__label{font-size:12px;letter-spacing:.16em;color:var(--muted);padding:2px 12px 6px}
.side-nav__item{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;color:#1D2C28;font-size:15px;font-weight:500;border-left:3px solid transparent;transition:background .18s,color .18s,border-color .18s,transform .18s}
.side-nav__item i{width:18px;text-align:center;color:var(--brand-500);font-size:14px}
.side-nav__item:hover{background:var(--soft);color:var(--brand-900);transform:translateX(2px)}
.side-nav__item.is-active{background:#EAF5F1;border-left-color:var(--brand-700);color:var(--brand-900);font-weight:700}
.side-cta{margin-top:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background-position .35s,color .18s,border-color .18s;white-space:nowrap}
.btn--primary{background:var(--grad-cta);background-size:160% 100%;color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.26)}
.btn--primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(228,87,46,.32);background-position:100% 0}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.btn--block{width:100%}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.text-link i{transition:transform .18s}
.text-link:hover i{transform:translateX(3px)}
.side-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.9}
.side-foot a{color:var(--muted)}
.side-foot a:hover{color:var(--brand-700)}

.page{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.topbar{display:none}
.nav-mask{display:none}

/* 面包屑与文章头 */
.crumbs-bar{background:var(--surface);border-bottom:1px solid var(--line);padding:14px 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;padding:0;list-style:none}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B7C4BF}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{background:var(--surface);padding:34px 0 40px;border-bottom:1px solid var(--line)}
.article-hero__head{max-width:860px}
.tag-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-pill);background:#EAF5F1;color:var(--brand-900);font-size:13px;font-weight:600;border:1px solid rgba(15,122,108,.16)}
.tag-pill i{font-size:11px;color:var(--brand-700)}
.tag-pill--sm{padding:4px 11px;font-size:12px}
.article-hero h1{margin:16px 0 14px;font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.3;color:var(--brand-900)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted);margin-top:6px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--brand-500)}
.article-cover{margin-top:28px;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);background:var(--bg)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 正文布局 */
.main{flex:1 1 auto}
.article-section{padding:56px 0 8px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 200px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.article-body{min-width:0;color:#22302C}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:clamp(23px,2.4vw,29px);margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand-700);line-height:1.4}
.article-body h3{font-size:21px;margin:30px 0 12px}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--brand-900)}
.article-body p{font-size:17px;line-height:1.9;margin:0 0 1.2em}
.article-body li{font-size:16.5px;line-height:1.85;margin-bottom:10px}
.article-body ul li::marker,.article-body ol li::marker{color:var(--brand-500);font-weight:700}
.article-body strong{color:var(--brand-900)}
.article-body a{border-bottom:1px solid rgba(15,122,108,.35)}
.article-body a:hover{border-bottom-color:var(--brand-500)}
.article-body blockquote{margin:26px 0;padding:20px 22px;background:var(--soft);border-left:3px solid var(--brand-700);border-radius:0 var(--radius-img) var(--radius-img) 0;color:#2A3B36}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;font-size:15px}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--soft);font-weight:700;color:var(--brand-900)}
.article-body tr:last-child td{border-bottom:0}
.article-body iframe,.article-body video{max-width:100%;border-radius:var(--radius-img)}
.article-body pre{background:var(--brand-900);color:#E9F6F2;padding:18px 20px;border-radius:var(--radius-img);overflow-x:auto;font-size:14px}
.article-body code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:14px}

.toc-card{position:sticky;top:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 16px;box-shadow:var(--shadow-1)}
.toc-card b{display:block;font-size:14px;color:var(--brand-900);margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.toc-card ul{list-style:none;margin:0;padding:0}
.toc-card li{margin-bottom:6px}
.toc-card a{display:block;font-size:13.5px;line-height:1.6;color:var(--muted);padding:6px 8px;border-left:2px solid transparent;border-radius:6px;transition:color .18s,background .18s,border-color .18s}
.toc-card a:hover{color:var(--brand-700);background:var(--soft)}
.toc-card a.is-current{color:var(--brand-900);font-weight:700;border-left-color:var(--brand-700);background:var(--soft)}

.empty-state{border:1.5px dashed var(--line);border-radius:var(--radius-card);background:var(--surface);padding:52px 28px;text-align:center;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.empty-state i{font-size:30px;color:var(--brand-300)}
.empty-state h2{font-size:22px;margin:0;padding:0;border:0}
.empty-state p{color:var(--muted);max-width:420px;margin:0}

/* 文末模块 */
.article-tail{padding:44px 0 0}
.tail-inner{max-width:760px}
.tag-group{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:22px 0 26px;border-top:1px solid var(--line)}
.tag-group span{font-size:13px;color:var(--muted);margin-right:4px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:8px}
.post-nav__card{display:flex;flex-direction:column;gap:8px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .18s,box-shadow .18s,border-color .18s}
.post-nav__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,122,108,.28)}
.post-nav__card.is-next{text-align:right}
.post-nav__dir{font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.post-nav__card.is-next .post-nav__dir{justify-content:flex-end}
.post-nav__card b{font-size:16px;color:var(--ink);line-height:1.5}

.section{padding:64px 0}
.section--tight{padding:40px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,29px);color:var(--brand-900)}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14.5px}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s;color:inherit}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,122,108,.24);color:inherit}
.card__media{overflow:hidden;background:var(--bg)}
.card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:17.5px;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__desc{font-size:14px;color:var(--muted);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto}

.faq-list{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .18s,box-shadow .18s}
.faq-item[open]{border-color:rgba(15,122,108,.3);box-shadow:var(--shadow-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:600;color:var(--brand-700);transition:transform .22s,color .22s;line-height:1}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);color:var(--accent-600)}
.faq-item__body{padding:0 20px 18px;background:var(--soft);color:#33443F;font-size:15px;line-height:1.85}
.faq-item__body p:last-child{margin-bottom:0}

.cta-band{padding:0 0 72px}
.cta-band__inner{background:var(--grad-brand);border-radius:24px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-2);color:#fff}
.cta-band__inner h2{color:#fff;font-size:clamp(21px,2.2vw,27px)}
.cta-band__inner p{margin:8px 0 0;color:rgba(255,255,255,.9);font-size:15px;max-width:620px}
.cta-band .btn--primary{background:var(--grad-cta);flex:0 0 auto}

.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--line);font-size:13.5px;color:var(--muted);box-shadow:var(--shadow-1)}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 8px}
.badge b{font-size:15px;font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums}
.badge.is-accent::before{background:var(--accent-600)}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#CFE3DD;margin-top:auto;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:#AFC9C2;margin:0}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px;font-size:14px;color:#AFC9C2}
.site-footer a{color:#CFE3DD}
.site-footer a:hover{color:var(--brand-300)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#17A38C,#6FD8BE);color:#062A25;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.footer-brand b{display:block;color:#fff;font-size:15px}
.footer-brand span{display:block;font-size:12.5px;color:#93B4AC}
.footer-qr{width:78px;height:78px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:26px;color:#9FD9C9;margin-top:14px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;font-size:13px;color:#8FAEA7}

@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,760px) 190px;gap:32px}
}
@media (max-width:1023px){
  .layout{display:block}
  .sidebar{position:fixed;top:0;left:0;bottom:0;height:100%;transform:translateX(-104%);transition:transform .28s ease;box-shadow:var(--shadow-3);width:272px;flex-basis:272px}
  .sidebar.is-open{transform:translateX(0)}
  .sidebar__inner{height:100%;position:static}
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50;height:56px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
  .topbar__btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-900);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer}
  .topbar__brand{font-size:15px;font-weight:800;color:var(--brand-900);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar__cta{height:36px;padding:0 16px;border-radius:var(--radius-pill);background:var(--grad-cta);color:#fff;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center}
  .nav-mask{display:block;position:fixed;inset:0;background:rgba(11,59,52,.45);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:55}
  .nav-mask.is-on{opacity:1;visibility:visible}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-toc{display:none}
  .article-hero{padding:26px 0 32px}
  .section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:34px 28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr 1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav__card.is-next{text-align:left}
  .post-nav__card.is-next .post-nav__dir{justify-content:flex-start}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .article-body p{font-size:16px}
  .article-body h2{font-size:22px;margin-top:34px}
  .section{padding:38px 0}
  .cta-band{padding:0 0 48px}
  .footer-grid{grid-template-columns:1fr}
  .article-meta{gap:8px 14px}
  .breadcrumb .current{max-width:200px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3B34;
  --brand-700:#0F7A6C;
  --brand-500:#17A38C;
  --brand-300:#6FD8BE;
  --accent-600:#E4572E;
  --accent-400:#FF9A4D;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#16211E;
  --muted:#5C6B66;
  --line:#E3E9E5;
  --soft:#F1F7F4;
  --radius-card:20px;
  --radius-img:16px;
  --shadow-1:0 2px 8px rgba(11,59,52,.06);
  --shadow-2:0 12px 32px rgba(11,59,52,.10);
  --shadow-3:0 24px 56px rgba(11,59,52,.16);
  --grad-brand:linear-gradient(135deg,#0F7A6C,#17A38C 55%,#6FD8BE);
  --grad-cta:linear-gradient(120deg,#E4572E,#FF9A4D);
  --nav-w:248px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(23,163,140,.18)}

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

/* ---------- 布局骨架 ---------- */
.layout{display:flex;align-items:flex-start;min-height:100vh}
.main-col{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  width:var(--nav-w);
  flex:0 0 var(--nav-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 18px 30px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 6px}
.side-brand .mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
  box-shadow:var(--shadow-1);
}
.side-brand b{display:block;font-size:15px;line-height:1.3;color:var(--brand-900)}
.side-brand span{display:block;font-size:12px;color:var(--muted);line-height:1.5}

.side-nav__label{
  display:block;padding:0 10px;margin-bottom:8px;
  font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:600;
}
.side-nav__item{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;margin-bottom:4px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink);
  border-left:3px solid transparent;transition:background .2s,color .2s,transform .2s;
}
.side-nav__item i{width:18px;text-align:center;color:var(--brand-500);font-size:14px;transition:color .2s}
.side-nav__item:hover{background:var(--soft);color:var(--brand-900);transform:translateX(2px)}
.side-nav__item:hover i{color:var(--brand-700)}
.side-nav__item.is-active{
  background:#EAF6F1;border-left-color:var(--brand-700);
  font-weight:700;color:var(--brand-900);
}
.side-nav__item.is-active i{color:var(--brand-700)}
.side-divider{height:1px;background:var(--line);margin:4px 6px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:46px;border-radius:999px;
  background:var(--grad-cta);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 8px 20px rgba(228,87,46,.26);
  transition:transform .2s,box-shadow .2s,background-position .3s;
  background-size:140% 140%;
}
.side-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.32);background-position:100% 0}
.side-foot{font-size:12px;color:var(--muted);line-height:1.7;padding:0 8px}
.side-foot a{color:var(--brand-700);font-weight:600}
.side-foot a:hover{color:var(--brand-500)}

/* ---------- 顶部导航（移动端） ---------- */
.topbar{
  display:none;align-items:center;justify-content:space-between;
  height:56px;padding:0 18px;background:var(--surface);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;
}
.topbar .brand{display:flex;align-items:center;gap:9px}
.topbar .mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.topbar b{font-size:14px;color:var(--brand-900)}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;background:var(--soft);
  color:var(--brand-700);font-size:17px;display:flex;align-items:center;justify-content:center;
  transition:background .2s,color .2s;
}
.nav-toggle:hover{background:#E2F0EA;color:var(--brand-900)}

.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
  background:var(--surface);z-index:60;padding:22px 18px;
  transform:translateX(-104%);transition:transform .28s ease;
  box-shadow:var(--shadow-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,59,52,.45);
  opacity:0;visibility:hidden;transition:opacity .25s;z-index:55;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer .side-nav__item{margin-bottom:6px}

/* ---------- 首屏横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900)}
.page-hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,59,52,.94) 0%,rgba(15,122,108,.86) 55%,rgba(23,163,140,.76) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:76px 24px 72px;color:#fff}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb span{margin:0 6px}
.page-hero h1{
  font-size:42px;line-height:1.28;font-weight:800;max-width:840px;color:#fff;
}
.page-hero__lead{
  margin-top:16px;font-size:18px;max-width:720px;
  color:rgba(255,255,255,.9);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform .2s,box-shadow .2s,background-position .3s,border-color .2s,color .2s;
}
.btn-primary{background:var(--grad-cta);background-size:150% 150%;color:#fff;box-shadow:0 10px 24px rgba(228,87,46,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(228,87,46,.34);background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-1px)}
.btn-outline{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-line{background:transparent;height:auto;padding:0;color:var(--brand-700);font-weight:600}
.btn-line i{font-size:12px;transition:transform .2s}
.btn-line:hover i{transform:translateX(3px)}

.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.94);
  border:1px solid rgba(255,255,255,.9);font-size:13px;color:var(--muted);
  box-shadow:var(--shadow-1);
}
.badge b{font-size:15px;font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 8px}
.badge--accent::before{background:var(--accent-600)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:29px;color:var(--brand-900)}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand-700);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand-500);border-radius:2px}

/* ---------- 卡片网格 + 侧栏 ---------- */
.cards-layout{display:flex;gap:32px;align-items:flex-start}
.cards-layout__main{flex:1 1 auto;min-width:0}
.cards-layout__side{flex:0 0 280px;width:280px}

.entry-grid>.cell{margin-bottom:24px}
.entry-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6E6DF}
.entry-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.entry-card:hover .entry-card__media img{transform:scale(1.03)}
.tag{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.02em;box-shadow:var(--shadow-1);
}
.entry-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.entry-card__body h3{font-size:18px;color:var(--brand-900)}
.entry-card__body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75}
.entry-card__foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-card__foot .btn-line{font-size:14px}

.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-card h3{font-size:17px;color:var(--brand-900);margin-bottom:14px}
.quick-list li+li{margin-top:10px}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:12px;background:var(--soft);
  font-size:14px;font-weight:600;color:var(--brand-900);
  transition:background .2s,transform .2s,color .2s;
}
.quick-list a i{color:var(--brand-500);font-size:12px;transition:transform .2s}
.quick-list a:hover{background:#E2F0EA;transform:translateX(3px)}
.quick-list a:hover i{transform:translateX(2px)}
.side-cta-card{
  border-radius:var(--radius-card);padding:24px;color:#fff;
  background:var(--grad-brand);box-shadow:var(--shadow-2);
}
.side-cta-card h3{color:#fff;font-size:17px}
.side-cta-card p{font-size:13.5px;color:rgba(255,255,255,.9);margin:10px 0 18px}
.side-cta-card .btn{width:100%;background:#fff;color:var(--brand-700);box-shadow:none}
.side-cta-card .btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.16)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--soft);color:var(--brand-700);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;color:var(--brand-900);margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- 情形对照 ---------- */
.case-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.case{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand-500);
  border-radius:16px;padding:22px;box-shadow:var(--shadow-1);
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.case:hover{border-left-color:var(--accent-600);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.case h3{font-size:17px;color:var(--brand-900);margin-bottom:10px}
.case p{font-size:14.5px;color:var(--muted);margin:0}
.case b{color:var(--brand-700)}

/* ---------- 数据带 ---------- */
.metrics{
  border-radius:24px;padding:40px 32px;color:#fff;
  background:var(--grad-brand);box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.metric b{
  display:block;font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.metric span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.86)}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  margin-bottom:10px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:#CFE2DA;box-shadow:var(--shadow-1)}
.faq-item__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--brand-900);
}
.faq-item__q i{
  flex:0 0 auto;color:var(--brand-500);font-size:14px;transition:transform .28s,color .28s;
}
.faq-item.is-open{border-color:#CFE2DA;box-shadow:var(--shadow-1)}
.faq-item.is-open .faq-item__q i{transform:rotate(90deg);color:var(--accent-600)}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-item__a{max-height:420px}
.faq-item__a p{
  margin:0;padding:0 22px 22px;font-size:15px;color:var(--muted);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-radius:24px;padding:48px;color:#fff;
  background:var(--grad-brand);box-shadow:var(--shadow-3);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:27px;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:560px}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.footer-brand b{display:block;color:#fff;font-size:15px}
.footer-brand span{display:block;font-size:12px;color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.7);margin:0}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.78);transition:color .2s}
.site-footer a:hover{color:var(--brand-300)}
.footer-qr{
  width:88px;height:88px;border-radius:16px;margin-top:16px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--brand-300);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .side-nav{display:none}
  .topbar{display:flex}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .page-hero__inner{padding:56px 24px 56px}
  .page-hero h1{font-size:32px}
  .cards-layout{flex-direction:column;gap:24px}
  .cards-layout__side{width:100%;flex:1 1 auto}
  .steps{grid-template-columns:repeat(2,1fr)}
  .case-list{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:22px;padding:32px 24px}
  .cta-band{flex-direction:column;text-align:center;align-items:center;padding:36px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media screen and (max-width:639px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero h1{font-size:26px}
  .page-hero__lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .badge{width:100%;justify-content:flex-start}
  .section-head h2{font-size:23px}
  .steps{grid-template-columns:1fr}
  .entry-card__body{padding:18px}
  .metrics b{font-size:27px}
  .cta-band h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3B34;
  --brand-700:#0F7A6C;
  --brand-500:#17A38C;
  --brand-300:#6FD8BE;
  --accent-600:#E4572E;
  --accent-400:#FF9A4D;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#16211E;
  --muted:#5C6B66;
  --line:#E3E9E5;
  --soft:#F1F7F4;
  --soft-2:#EAF6F2;
  --grad-brand:linear-gradient(135deg,#0B3B34,#0F7A6C 45%,#17A38C 78%,#6FD8BE);
  --grad-cta:linear-gradient(120deg,#E4572E,#FF9A4D);
  --shadow-1:0 2px 8px rgba(11,59,52,.06);
  --shadow-2:0 12px 32px rgba(11,59,52,.10);
  --shadow-3:0 24px 56px rgba(11,59,52,.16);
  --radius-card:20px;
  --radius-img:16px;
}

*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.32;color:var(--ink)}
h1{font-size:42px}
h2{font-size:29px}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 1.1em;color:var(--ink)}
p:last-child{margin-bottom:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(23,163,140,.18)}

.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;min-height:100vh;align-items:stretch}
.layout__main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wrap{width:100%;max-width:880px;margin:0 auto;padding:0 24px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  width:248px;flex:0 0 248px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 16px 28px;
  display:flex;flex-direction:column;gap:4px;
  z-index:30;
}
.side-nav__brand{display:flex;align-items:center;gap:12px;padding:0 6px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background-image:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.02em;
}
.side-nav__brand b{display:block;font-size:14px;font-weight:800;line-height:1.35;color:var(--brand-900)}
.side-nav__brand span{display:block;font-size:12px;color:var(--muted);letter-spacing:.02em}
.side-nav__label{font-size:12px;color:var(--muted);letter-spacing:.14em;padding:4px 10px 8px}
.side-nav__item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:12px;font-size:15px;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.side-nav__item i{width:18px;text-align:center;color:var(--brand-500);font-size:15px}
.side-nav__item:hover{background:var(--soft)}
.side-nav__item:active{transform:translateY(1px)}
.side-nav__item.is-active{background:var(--soft-2);font-weight:700;color:var(--brand-900)}
.side-nav__item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--brand-700);
}

/* ---------- 顶部栏与抽屉（≤1023px） ---------- */
.topbar{
  display:none;align-items:center;justify-content:space-between;gap:12px;
  height:60px;padding:0 16px;background:var(--surface);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;
}
.topbar__brand{display:flex;align-items:center;gap:10px}
.topbar__brand b{font-size:14px;font-weight:800;color:var(--brand-900);line-height:1.2}
.topbar__brand span{display:block;font-size:11px;color:var(--muted)}
.topbar__toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:17px;
}
.topbar__toggle:hover{border-color:var(--brand-500);background:var(--soft)}

.drawer-mask{position:fixed;inset:0;background:rgba(11,59,52,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:55}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;
  padding:24px 18px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(-104%);transition:transform .28s ease;z-index:60;
  box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer .side-nav__item{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:0;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  background-size:180% 100%;background-position:0 0;
  transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease,background-color .2s ease;
}
.btn i{font-size:13px}
.btn--primary{background-image:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(228,87,46,.28)}
.btn--primary:hover{transform:translateY(-1px);background-position:65% 0;box-shadow:0 16px 32px rgba(228,87,46,.34);color:#fff}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.btn--outline{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn--outline:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.45;pointer-events:none}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:700;font-size:15px}
.link-arrow i{font-size:12px;transition:transform .22s ease}
.link-arrow:hover{color:var(--brand-900)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:
    linear-gradient(135deg,rgba(11,59,52,.94),rgba(15,122,108,.86) 52%,rgba(23,163,140,.72)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:86px 0 72px;
  border-radius:0 0 28px 28px;
}
.hero h1{color:#fff;font-size:42px;line-height:1.28;margin:16px 0 16px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  color:#fff;border-radius:999px;padding:7px 18px;font-size:13px;letter-spacing:.06em;
}
.hero__lead{font-size:18px;color:rgba(255,255,255,.9);max-width:640px;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:9px 18px;font-size:13px;color:#fff;
  font-variant-numeric:tabular-nums;
}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--brand-300);flex:0 0 8px}
.chip--orange i{background:var(--accent-400)}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0}
.section--soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{margin-bottom:36px}
.section__head .tagline{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand-700);
  font-weight:700;margin-bottom:10px;
}
.section__head h2{margin-bottom:12px}
.section__head p{color:var(--muted);max-width:720px;font-size:15.5px}
.section__head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 卡片与网格 ---------- */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8E7E1}
.card__icon{
  width:46px;height:46px;border-radius:14px;background:var(--soft-2);color:var(--brand-700);
  display:grid;place-items:center;font-size:18px;margin-bottom:16px;
}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card__note{margin-top:14px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}

/* ---------- 流程图文交替 ---------- */
.zigzag{display:flex;flex-direction:column;gap:52px}
.zz{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.zz__media{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-1);
}
.zz__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.zz:hover .zz__media img{transform:scale(1.03)}
.zz:nth-child(even) .zz__media{order:2}
.zz__num{
  display:inline-grid;place-items:center;width:46px;height:46px;border-radius:14px;
  background:var(--soft-2);color:var(--brand-700);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.zz__body h3{margin-bottom:12px}
.zz__body p{color:var(--muted);font-size:15.5px}
.zz__meta{font-size:13px;color:var(--muted);margin-bottom:14px;letter-spacing:.04em}

/* ---------- 异常对照 ---------- */
.tip-card{display:flex;flex-direction:column;gap:10px}
.tip-card__label{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  background:#FDF1EC;color:var(--accent-600);border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:700;
}
.tip-card h3{font-size:17px}

/* ---------- 数据徽章组 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;
}
.stat{
  display:flex;align-items:center;gap:14px;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:14px 22px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-1)}
.stat__dot{width:10px;height:10px;border-radius:50%;background:var(--brand-500);flex:0 0 10px}
.stat--orange .stat__dot{background:var(--accent-600)}
.stat b{font-size:24px;font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums}
.stat span{font-size:13.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;margin:0}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:16px;background:#fff;
  margin-bottom:10px;box-shadow:var(--shadow-1);overflow:hidden;
}
.accordion-title{
  border:0;padding:18px 56px 18px 22px;font-size:16px;font-weight:700;color:var(--ink);
  background:#fff;position:relative;line-height:1.6;
}
.accordion-title:hover{background:var(--soft)}
.accordion-title::before{
  content:"+" !important;position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--brand-700);transition:transform .25s ease;line-height:1;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.accordion-item.is-active .accordion-title{color:var(--brand-900)}
.accordion-content{
  border:0;border-top:1px solid var(--line);background:var(--soft);
  padding:18px 22px;color:var(--muted);font-size:15px;
}
.accordion-content p{color:var(--muted);margin-bottom:0}

/* ---------- 相关分类卡 ---------- */
.rel-card{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:22px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.rel-card__icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:var(--soft-2);
  color:var(--brand-700);display:grid;place-items:center;font-size:18px;
}
.rel-card__text{flex:1 1 auto;min-width:0}
.rel-card__text b{display:block;font-size:16px;font-weight:800;color:var(--ink);margin-bottom:4px}
.rel-card__text span{display:block;font-size:13.5px;color:var(--muted)}
.rel-card .fa-arrow-right{color:var(--brand-500);transition:transform .22s ease}
.rel-card:hover .fa-arrow-right{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta{
  background-image:var(--grad-brand);border-radius:24px;padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;box-shadow:var(--shadow-2);
}
.cta h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:560px}
.cta__action{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#D7E6E1;padding:66px 0 26px;margin-top:76px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.site-footer p{color:#A9C6BF;font-size:14px}
.site-footer a{color:#C9DED8;font-size:14px}
.site-footer a:hover{color:var(--brand-300)}
.site-footer li{margin-bottom:10px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .mark{background-image:var(--grad-brand)}
.footer-brand b{display:block;color:#fff;font-size:15px;font-weight:800}
.footer-brand span{display:block;font-size:12px;color:#9DBAB3;letter-spacing:.04em}
.footer-qr{
  width:96px;height:96px;border-radius:16px;background:rgba(255,255,255,.08);
  display:grid;place-items:center;font-size:34px;color:#9DBAB3;margin-top:12px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:46px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#9DBAB3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .layout{display:block}
  .side-nav{display:none}
  .topbar{display:flex}
  h1{font-size:32px}
  .hero{padding:56px 0 52px;border-radius:0 0 22px 22px}
  .hero h1{font-size:32px}
  .hero__lead{font-size:16.5px}
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .zigzag{gap:44px}
  .zz{grid-template-columns:1fr;gap:22px}
  .zz:nth-child(even) .zz__media{order:0}
  .stats{grid-template-columns:1fr;padding:20px}
  .grid--3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container,.wrap{padding:0 18px}
  h1{font-size:27px}
  h2{font-size:23px}
  h3{font-size:19px}
  .hero{padding:44px 0 42px}
  .hero h1{font-size:27px;margin:14px 0 14px}
  .hero__lead{font-size:15.5px}
  .hero__actions{gap:10px}
  .btn{width:100%;padding:0 22px}
  .hero__actions .btn{width:100%}
  .section{padding:52px 0}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .card{padding:20px}
  .cta{flex-direction:column;text-align:center;padding:36px 24px}
  .cta__action{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .section__head--split{align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B3B34;
  --brand-700:#0F7A6C;
  --brand-500:#17A38C;
  --brand-300:#6FD8BE;
  --accent-600:#E4572E;
  --accent-400:#FF9A4D;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#16211E;
  --muted:#5C6B66;
  --line:#E3E9E5;
  --shadow-1:0 2px 8px rgba(11,59,52,.06);
  --shadow-2:0 12px 32px rgba(11,59,52,.10);
  --shadow-3:0 24px 56px rgba(11,59,52,.16);
  --radius-card:20px;
  --radius-img:16px;
  --grad-brand:linear-gradient(135deg,#0F7A6C,#17A38C 55%,#6FD8BE);
  --grad-cta:linear-gradient(120deg,#E4572E,#FF9A4D);
  --nav-w:248px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.35;
  color:var(--ink);
}
h1{ font-size:42px; font-weight:800; }
h2{ font-size:29px; }
h3{ font-size:21px; }
h4{ font-size:17px; }
p{ margin:0 0 1.2em; }
p:last-child{ margin-bottom:0; }

a{ color:var(--brand-700); text-decoration:none; transition:color .2s ease, background-color .2s ease, border-color .2s ease; }
a:hover{ color:var(--brand-500); }

img{ max-width:100%; display:block; border-radius:var(--radius-img); }

ul,ol{ margin:0 0 1.2em; padding-left:1.15em; }
li{ margin-bottom:8px; }

button{ font-family:inherit; }

:focus-visible{
  outline:2px solid var(--brand-700);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(23,163,140,.18);
  border-radius:8px;
}

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

/* ---------- 应用外壳与左侧导航 ---------- */
.app{ display:flex; align-items:flex-start; min-height:100vh; }

.side-nav{
  position:sticky;
  top:0;
  flex:0 0 var(--nav-w);
  width:var(--nav-w);
  height:100vh;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:16px;
  overflow-y:auto;
}

.brand-block{ display:flex; align-items:center; gap:12px; padding:4px 6px 2px; }
.brand-mark{
  width:44px; height:44px; flex:0 0 44px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;
  display:grid; place-items:center;
  font-weight:800; font-size:15px; letter-spacing:.5px;
  box-shadow:0 8px 20px rgba(15,122,108,.28);
}
.brand-text{ display:flex; flex-direction:column; line-height:1.3; }
.brand-text b{ font-size:15px; font-weight:800; color:var(--ink); }
.brand-text span{ font-size:12px; color:var(--muted); }

.side-nav__label{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--muted);
  padding:0 12px;
  text-transform:uppercase;
}
.side-nav__item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
}
.side-nav__item i{ width:18px; text-align:center; color:var(--brand-500); font-size:15px; }
.side-nav__item:hover{ background:#F1F7F4; color:var(--brand-700); }
.side-nav__item.is-active{ background:#EAF6F2; color:var(--brand-700); }
.side-nav__item.is-active::before{
  content:"";
  position:absolute;
  left:-18px; top:50%;
  transform:translateY(-50%);
  width:3px; height:24px;
  border-radius:3px;
  background:var(--brand-700);
}

.side-nav__divider{ height:1px; background:var(--line); margin:4px 0; }
.side-nav__spacer{ flex:1 1 auto; }

.nav-cta{
  display:flex; align-items:center; justify-content:center; gap:8px;
  height:48px;
  border-radius:999px;
  background:var(--grad-cta);
  color:#fff !important;
  font-weight:600;
  font-size:15px;
  box-shadow:0 10px 24px rgba(228,87,46,.26);
  transition:transform .2s ease, box-shadow .2s ease, background-position .3s ease;
  background-size:140% 140%;
}
.nav-cta:hover{ transform:translateY(-1px); box-shadow:0 14px 30px rgba(228,87,46,.34); background-position:80% 50%; }
.nav-cta:active{ transform:translateY(1px); }

.side-note{ font-size:12.5px; color:var(--muted); line-height:1.7; padding:0 6px; }
.side-note b{ color:var(--ink); font-weight:600; }

/* ---------- 主区域 ---------- */
.main-area{ flex:1 1 auto; min-width:0; padding-bottom:0; }
.main-area > .container{ padding-top:32px; }

/* ---------- 移动端顶部栏与抽屉 ---------- */
.mobile-topbar{
  display:none;
  position:fixed;
  top:0; left:0; right:0;
  height:56px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  z-index:60;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.mobile-topbar .brand-text b{ font-size:14px; }
.mobile-topbar .brand-mark{ width:36px; height:36px; flex:0 0 36px; border-radius:11px; font-size:13px; }
.burger{
  width:44px; height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--ink);
  display:grid; place-items:center;
  font-size:17px;
  cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.burger:hover{ border-color:var(--brand-500); color:var(--brand-700); }

.scrim{
  position:fixed; inset:0;
  background:rgba(11,59,52,.45);
  opacity:0; visibility:hidden;
  transition:opacity .28s ease, visibility .28s ease;
  z-index:70;
}
.scrim.is-open{ opacity:1; visibility:visible; }

.drawer{
  position:fixed;
  top:0; left:0; bottom:0;
  width:290px;
  max-width:86vw;
  background:var(--surface);
  z-index:80;
  transform:translateX(-102%);
  transition:transform .3s ease;
  box-shadow:var(--shadow-3);
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:20px 18px;
  overflow-y:auto;
}
.drawer.is-open{ transform:translateX(0); }
.drawer .drawer-close{
  align-self:flex-end;
  width:38px; height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  cursor:pointer;
}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  padding:64px 52px;
  color:#fff;
  background-image:
    linear-gradient(135deg, rgba(11,59,52,.90), rgba(15,122,108,.84) 52%, rgba(23,163,140,.70)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
.page-hero h1{ color:#fff; margin-bottom:16px; max-width:760px; }
.page-hero .hero-lead{ font-size:18px; color:rgba(255,255,255,.92); max-width:660px; margin-bottom:26px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600;
  letter-spacing:.04em;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  color:#fff;
  margin-bottom:20px;
}
.eyebrow.dark{
  background:#EAF6F2;
  border-color:#CFE9E0;
  color:var(--brand-700);
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background-position .3s ease, border-color .2s ease, color .2s ease;
  background-size:140% 140%;
}
.btn-primary{
  background:var(--grad-cta);
  color:#fff !important;
  box-shadow:0 10px 26px rgba(228,87,46,.28);
}
.btn-primary:hover{ transform:translateY(-1px); box-shadow:0 16px 34px rgba(228,87,46,.36); background-position:80% 50%; color:#fff !important; }
.btn-primary:active{ transform:translateY(1px); }
.btn-ghost{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.55);
  color:#fff !important;
}
.btn-ghost:hover{ background:rgba(255,255,255,.22); }
.btn-outline{
  background:var(--surface);
  border-color:var(--line);
  color:var(--ink) !important;
}
.btn-outline:hover{ border-color:var(--brand-500); color:var(--brand-700) !important; }
.btn[disabled], .btn.is-disabled{ opacity:.45; cursor:not-allowed; transform:none; }

.link-arrow{
  display:inline-flex; align-items:center; gap:6px;
  font-weight:600;
  font-size:15px;
}
.link-arrow i{ transition:transform .22s ease; font-size:13px; }
.link-arrow:hover i{ transform:translateX(3px); }

/* ---------- 锚点导航条 ---------- */
.anchor-wrap{ margin-top:26px; }
.anchor-bar{
  position:sticky;
  top:14px;
  z-index:40;
  display:flex;
  gap:6px;
  overflow-x:auto;
  padding:8px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{ display:none; }
.anchor-pill{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
.anchor-pill:hover{ background:#F1F7F4; color:var(--brand-700); }
.anchor-pill.is-current{ background:var(--brand-700); color:#fff; box-shadow:0 6px 16px rgba(15,122,108,.24); }

/* ---------- 通用板块 ---------- */
.section{ padding:80px 0 8px; scroll-margin-top:96px; }
.section:first-of-type{ padding-top:56px; }
.section-head{ margin-bottom:34px; max-width:820px; }
.section-head h2{ margin-bottom:12px; }
.section-head .lead{ font-size:16.5px; color:var(--muted); margin:0; }

.section-alt{
  margin-top:72px;
  padding:56px 0;
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

/* ---------- 步骤条目 ---------- */
.step-list{ display:flex; flex-direction:column; gap:18px; }
.step-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:28px 30px 26px 100px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step-item:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#D3E8E0; }
.step-num{
  position:absolute;
  left:30px; top:28px;
  width:44px; height:44px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  display:grid; place-items:center;
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(15,122,108,.26);
}
.step-item h3{ margin-bottom:10px; }
.step-item > p{ color:var(--muted); }

.point-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:20px 0 0; }
.point-grid > .cell{ padding:0 !important; }
.mini-card{
  height:100%;
  background:#F5FBF8;
  border:1px solid #DCEDE6;
  border-radius:14px;
  padding:16px 18px;
}
.mini-card.is-warn{ background:#FFF7F3; border-color:#F7D9CB; }
.mini-card h4{
  font-size:14px;
  display:flex; align-items:center; gap:8px;
  margin-bottom:8px;
  color:var(--brand-700);
}
.mini-card.is-warn h4{ color:var(--accent-600); }
.mini-card p{ font-size:14.5px; color:var(--muted); margin:0; }
.mini-card ul{ margin:0; padding-left:1.1em; }
.mini-card li{ font-size:14.5px; color:var(--muted); margin-bottom:6px; }

/* ---------- 自查卡片 ---------- */
.check-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.check-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#D3E8E0; }
.check-icon{
  width:44px; height:44px;
  border-radius:50%;
  background:#EAF6F2;
  color:var(--brand-700);
  display:grid; place-items:center;
  font-size:17px;
  margin-bottom:16px;
}
.check-card h3{ font-size:17.5px; margin-bottom:8px; }
.check-card p{ font-size:14.5px; color:var(--muted); margin:0; }

/* ---------- 数据徽章 ---------- */
.metric-band{
  margin-top:72px;
  border-radius:24px;
  padding:44px 32px;
  background:var(--grad-brand);
  box-shadow:var(--shadow-2);
}
.metric-band h2{ color:#fff; text-align:center; margin-bottom:10px; font-size:26px; }
.metric-band p.band-lead{ color:rgba(255,255,255,.88); text-align:center; max-width:680px; margin:0 auto 28px; }
.metric-row{ display:flex; flex-wrap:wrap; justify-content:center; gap:16px; }
.metric{
  display:flex;
  align-items:center;
  gap:12px;
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  padding:14px 26px;
  box-shadow:var(--shadow-1);
}
.metric .dot{ width:9px; height:9px; border-radius:50%; background:var(--brand-500); flex:0 0 9px; }
.metric.is-accent .dot{ background:var(--accent-600); }
.metric b{ font-size:26px; font-weight:800; font-variant-numeric:tabular-nums; color:var(--brand-700); line-height:1; }
.metric span{ font-size:13px; color:var(--muted); }

/* ---------- FAQ ---------- */
.faq-list{ max-width:900px; }
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{ border-color:#D3E8E0; box-shadow:var(--shadow-1); }
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"＋";
  flex:0 0 auto;
  font-size:18px;
  color:var(--brand-500);
  transition:transform .25s ease, color .25s ease;
}
.faq-item[open] summary{ color:var(--brand-700); }
.faq-item[open] summary::after{ transform:rotate(90deg); color:var(--brand-700); }
.faq-body{
  padding:0 22px 20px;
  background:#F1F7F4;
  color:var(--muted);
  font-size:15px;
  border-top:1px solid #DCEDE6;
  padding-top:16px;
}
.faq-body p{ margin:0; }

/* ---------- 结尾 CTA ---------- */
.cta-card{
  margin-top:72px;
  border-radius:24px;
  padding:48px;
  background:var(--grad-brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--shadow-2);
}
.cta-card h2{ color:#fff; margin-bottom:10px; }
.cta-card p{ color:rgba(255,255,255,.9); margin:0; max-width:640px; }
.cta-card .btn-primary{ flex:0 0 auto; }

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--brand-900);
  color:#CFE3DD;
  padding:64px 0 24px;
}
.site-footer a{ color:#CFE3DD; }
.site-footer a:hover{ color:var(--brand-300); }
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.footer-brand .mark{
  width:42px; height:42px;
  flex:0 0 42px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;
  display:grid; place-items:center;
  font-weight:800;
  font-size:14px;
}
.footer-brand b{ display:block; color:#fff; font-size:15px; }
.footer-brand span{ display:block; font-size:12.5px; color:#8FB7AC; }
.site-footer p{ font-size:14.5px; color:#A9C8C0; }
.site-footer h4{ color:#fff; font-size:15px; margin-bottom:14px; }
.site-footer ul{ list-style:none; margin:0; padding:0; }
.site-footer li{ margin-bottom:10px; font-size:14.5px; }
.footer-qr{
  width:96px; height:96px;
  border-radius:16px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  display:grid; place-items:center;
  font-size:34px;
  color:var(--brand-300);
  margin-top:14px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.5px;
  color:#8FB7AC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  h1{ font-size:38px; }
}

@media (max-width:1023px){
  .side-nav{ display:none; }
  .mobile-topbar{ display:flex; }
  .main-area{ width:100%; }
  .main-area > .container{ padding-top:84px; }
  .anchor-bar{ top:66px; }
  .section{ padding:64px 0 8px; }
  .section-head{ margin-bottom:28px; }
  .page-hero{ padding:48px 32px; }
  h1{ font-size:34px; }
  h2{ font-size:26px; }
  .check-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
  .cta-card{ flex-direction:column; align-items:flex-start; padding:40px 32px; }
}

@media (max-width:767px){
  .point-grid{ grid-template-columns:1fr; }
  .step-item{ padding:24px; }
  .step-num{ position:static; margin-bottom:14px; }
  .check-grid{ grid-template-columns:1fr; }
  .metric-band{ padding:36px 22px; }
  .metric{ padding:12px 20px; }
  .metric b{ font-size:22px; }
  .footer-grid{ grid-template-columns:1fr; }
}

@media (max-width:520px){
  .container{ padding:0 18px; }
  h1{ font-size:28px; }
  h2{ font-size:23px; }
  h3{ font-size:19px; }
  .page-hero{ padding:38px 22px; border-radius:20px; }
  .page-hero .hero-lead{ font-size:16px; }
  .hero-actions .btn{ width:100%; }
  .section{ padding:56px 0 4px; }
  .cta-card{ padding:32px 22px; border-radius:20px; }
  .cta-card .btn{ width:100%; }
  .step-item{ padding:22px 20px; }
  .footer-bottom{ flex-direction:column; }
}