/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-primary-soft:rgba(14,143,110,.10);
  --c-accent:#F2611F;
  --c-warn:#C2452D;
  --c-tip:#C9A227;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-card-alt:#FAFBFA;
  --c-line:#E2E5E1;
  --c-line-soft:rgba(20,23,26,.08);
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-invert:#F5F6F4;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
  --sp-section:96px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
h1{font-size:clamp(2.25rem,4.6vw,3.75rem);}
h2{font-size:clamp(1.7rem,2.8vw,2.5rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;font-size:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* ============ 容器与工具 ============ */
.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
@media screen and (min-width:1440px){.grid-container{max-width:1320px;}}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--c-card);}
.section-muted{background:#EFF1EE;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap;}
.section-head .head-text{max-width:62ch;}
.eyebrow{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--c-primary);}
.section-head h2{margin-top:12px;}
.section-head .lead{margin-top:14px;color:var(--c-text-2);font-size:1rem;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--c-primary);}
.text-link .arrow{transition:transform var(--dur) var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-card);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(10,107,82,.7);}
.btn-ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-ink);color:#fff;transform:translateY(-1px);}
.btn-invert{background:var(--c-invert);color:var(--c-ink);}
.btn-invert:hover,.btn-invert:focus{background:#fff;color:var(--c-ink);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(0,0,0,.5);}
.btn-sm{padding:10px 20px;font-size:.875rem;}
.btn-lg{padding:16px 32px;font-size:1rem;}
.btn-block{width:100%;}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:.75rem;font-weight:600;letter-spacing:.06em;line-height:1.6;}
.badge-dark{background:var(--c-ink);color:#fff;}
.badge-accent{background:rgba(242,97,31,.12);color:var(--c-accent);}

/* ============ 页头 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-card);transition:box-shadow var(--dur) var(--ease);}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--c-line),0 10px 28px -20px rgba(20,23,26,.5);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.brand:hover{color:var(--c-ink);}
.brand-mark{position:relative;width:22px;height:22px;border-radius:6px;background:var(--c-primary);flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;right:-4px;top:-4px;width:10px;height:10px;border-radius:3px;background:var(--c-accent);}
.brand-tools{display:flex;align-items:center;gap:18px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-card);color:var(--c-text-2);cursor:pointer;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);}
.hotline{font-size:.875rem;color:var(--c-text-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.hotline b{color:var(--c-ink);font-weight:700;}
.lang{font-size:.875rem;color:var(--c-text-2);padding-left:18px;border-left:1px solid var(--c-line);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-card);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.site-search{display:none;border-top:1px solid var(--c-line);background:var(--c-card);}
.site-search.is-open{display:block;}
.site-search .search-row{display:flex;gap:12px;padding:16px 0;}
.search-row input{flex:1;height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 16px;background:var(--c-card);color:var(--c-text);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.search-row input::placeholder{color:#A2A8AC;}
.search-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft);}
.channel-bar{border-top:1px solid var(--c-line);background:var(--c-card);}
.channel-nav{display:flex;align-items:center;gap:6px;height:56px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel{position:relative;display:inline-flex;align-items:center;height:56px;padding:0 16px;font-size:.9375rem;font-weight:500;color:var(--c-text-2);white-space:nowrap;scroll-snap-align:center;}
.channel::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:center;transition:transform var(--dur) var(--ease);}
.channel:hover{color:var(--c-ink);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:var(--c-primary);font-weight:600;}
.channel.is-active::after{transform:scaleX(1);}
.mobile-nav{display:none;border-top:1px solid var(--c-line);background:var(--c-card);padding:6px 0 14px;}
.mobile-nav.is-open{display:block;}
.mobile-nav a{display:block;padding:13px 24px;font-size:.9375rem;color:var(--c-text);border-bottom:1px solid var(--c-line-soft);}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:76px 0 68px;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,23,26,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,23,26,.035) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 84%);mask-image:linear-gradient(180deg,#000,transparent 84%);pointer-events:none;}
.hero .grid-container{position:relative;z-index:1;}
.hero-copy h1{margin-top:20px;line-height:1.14;}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:var(--c-text-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line-soft);}
.trust-num{font-size:1.5rem;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;}
.trust-label{font-size:.8125rem;color:var(--c-text-2);margin-top:4px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;background:#E7EAE6;}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:16px;background:linear-gradient(155deg,rgba(14,143,110,.20),rgba(20,23,26,.14));pointer-events:none;}
.hero-float{position:absolute;left:-18px;bottom:26px;background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-hover);padding:16px 20px;max-width:220px;}
.hero-float .num{font-size:1.375rem;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-float .txt{font-size:.8125rem;color:var(--c-text-2);margin-top:2px;}

/* ============ 价值主张条 ============ */
.value-strip{background:var(--c-card);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:40px 0;}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.value-item{display:flex;gap:14px;align-items:flex-start;}
.value-dot{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;}
.value-title{font-size:.9375rem;font-weight:700;color:var(--c-ink);}
.value-desc{font-size:.8125rem;color:var(--c-text-2);margin-top:2px;}

/* ============ 功能分组 ============ */
.feature-row{padding:44px 0;align-items:center;}
.feature-index{font-size:clamp(3.5rem,6vw,5.5rem);font-weight:800;line-height:1;color:var(--c-line);letter-spacing:-.05em;font-variant-numeric:tabular-nums;}
.feature-copy h3{margin-top:14px;font-size:1.375rem;}
.feature-copy p{margin-top:14px;color:var(--c-text-2);}
.point-list{margin-top:22px;display:grid;gap:13px;}
.point-list li{position:relative;padding-left:26px;font-size:.9375rem;color:var(--c-text);}
.point-list li::before{content:"";position:absolute;left:0;top:.6em;width:14px;height:2px;border-radius:2px;background:var(--c-primary);}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);background:#E7EAE6;}
.feature-foot{margin-top:26px;}

/* ============ 使用场景 ============ */
.scene-grid{align-items:stretch;}
.scene-card{display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.scene-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E7EAE6;transition:transform 320ms var(--ease);}
.scene-card:hover img{transform:scale(1.04);}
.scene-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:1.0625rem;}
.scene-body p{font-size:.875rem;color:var(--c-text-2);margin:0;flex:1;}
.scene-lift{margin-top:40px;}

/* ============ 成功案例 ============ */
.case-grid{align-items:stretch;}
.case-card{display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E7EAE6;}
.case-body{padding:28px 30px 30px;display:flex;flex-direction:column;gap:14px;flex:1;}
.case-metric{font-size:2rem;font-weight:800;color:var(--c-accent);line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.case-metric small{font-size:.875rem;font-weight:500;color:var(--c-text-2);letter-spacing:0;margin-left:6px;}
.case-body h3{font-size:1.125rem;}
.case-body p{font-size:.9375rem;color:var(--c-text-2);margin:0;flex:1;}
.case-list{margin-top:28px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.case-list li{display:flex;align-items:center;gap:20px;padding:18px 24px;border-bottom:1px solid var(--c-line-soft);transition:background var(--dur) var(--ease);}
.case-list li:last-child{border-bottom:0;}
.case-list li:hover{background:var(--c-card-alt);}
.case-list img{flex:0 0 auto;width:76px;height:56px;object-fit:cover;border-radius:8px;background:#E7EAE6;}
.case-list .item-title{font-size:.9375rem;font-weight:600;color:var(--c-ink);}
.case-list .item-desc{font-size:.8125rem;color:var(--c-text-2);margin-top:2px;}
.case-list .item-time{flex:0 0 auto;font-size:.8125rem;color:var(--c-text-2);font-variant-numeric:tabular-nums;}

/* ============ 价格 ============ */
.price-grid{align-items:stretch;}
.price-card{position:relative;display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px 30px;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.price-card.featured{border:2px solid var(--c-primary);box-shadow:0 20px 44px -22px rgba(14,143,110,.5);}
.price-badge{position:absolute;top:-13px;left:30px;background:var(--c-accent);color:#fff;font-size:.75rem;font-weight:600;letter-spacing:.06em;padding:4px 14px;border-radius:var(--r-pill);}
.price-tier{font-size:1.0625rem;font-weight:700;color:var(--c-ink);}
.price-note{font-size:.8125rem;color:var(--c-text-2);margin-top:4px;}
.price-num{margin-top:20px;font-size:2.25rem;font-weight:800;color:var(--c-accent);line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.price-num small{font-size:.875rem;font-weight:500;color:var(--c-text-2);margin-left:4px;letter-spacing:0;}
.price-feats{margin:24px 0 28px;display:grid;gap:12px;flex:1;}
.price-feats li{position:relative;padding-left:24px;font-size:.875rem;color:var(--c-text);}
.price-feats li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:2px;border-radius:2px;background:var(--c-primary);}

/* ============ 资讯列表 ============ */
.news-grid{align-items:stretch;}
.news-card{display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.news-cover{display:block;overflow:hidden;background:#E7EAE6;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:1.0625rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--c-ink);}
.news-body h3 a:hover{color:var(--c-primary-deep);}
.news-excerpt{font-size:.875rem;color:var(--c-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;border-top:1px solid var(--c-line-soft);font-size:.8125rem;color:var(--c-text-2);font-variant-numeric:tabular-nums;}
.news-meta .text-link{font-size:.8125rem;}
.empty-state{text-align:center;padding:64px 24px;background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-card);}
.empty-icon{width:48px;height:48px;margin:0 auto 16px;border-radius:12px;background:var(--c-primary-soft);position:relative;}
.empty-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:18px;height:2px;background:var(--c-primary);border-radius:2px;box-shadow:0 -6px 0 var(--c-primary),0 6px 0 var(--c-primary);}
.empty-state p{color:var(--c-text-2);font-size:.9375rem;margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-list{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;background:none;border:0;text-align:left;font-size:1.0625rem;font-weight:600;color:var(--c-ink);cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease);}
.faq-q:hover{background:var(--c-card-alt);color:var(--c-primary-deep);}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-item.is-open .faq-q{color:var(--c-primary-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-a p{padding:0 60px 24px 28px;font-size:.9375rem;color:var(--c-text-2);margin:0;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--c-ink);color:var(--c-invert);padding:76px 0;}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,143,110,.38),transparent 70%);pointer-events:none;}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:20em;}
.cta-inner p{color:rgba(245,246,244,.72);margin-top:14px;max-width:40em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.7);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:44px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand:hover{color:#fff;}
.footer-desc{margin-top:18px;font-size:.875rem;line-height:1.8;color:rgba(245,246,244,.62);max-width:30em;}
.footer-contact{margin-top:20px;display:grid;gap:8px;font-size:.875rem;color:rgba(245,246,244,.62);}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-links a{display:block;padding:6px 0;font-size:.875rem;color:rgba(245,246,244,.66);}
.footer-links a:hover{color:#fff;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(245,246,244,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:.8125rem;color:rgba(245,246,244,.5);flex-wrap:wrap;}
.footer-bottom a{color:rgba(245,246,244,.62);}
.footer-bottom a:hover{color:#fff;}

/* ============ 滚动进入动效 ============ */
.reveal{opacity:0;translate:0 16px;transition:opacity 320ms var(--ease),translate 320ms var(--ease);}
.reveal.is-visible{opacity:1;translate:0 0;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;translate:0 0;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--sp-section:80px;}
  .footer-grid{gap:32px;}
}
@media screen and (max-width:1023px){
  :root{--sp-section:64px;}
  .hero{padding:56px 0 52px;}
  .hero-trust{gap:28px;margin-top:34px;}
  .hotline,.lang{display:none;}
  .value-grid{grid-template-columns:repeat(2,1fr);}
  .channel-bar{padding:9px 0;}
  .channel-nav{height:auto;gap:10px;}
  .channel{height:38px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-card);}
  .channel::after{display:none;}
  .channel.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
  .section-head{margin-bottom:36px;}
  .feature-row{padding:32px 0;}
  .feature-media{margin-bottom:24px;}
  .scene-lift{margin-top:0;}
  .footer-grid{grid-template-columns:2fr 2fr;}
  .news-meta{flex-wrap:wrap;}
}
@media screen and (max-width:639px){
  :root{--sp-section:48px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand-row{height:62px;gap:12px;}
  .brand{font-size:1.0625rem;}
  .brand-mark{width:18px;height:18px;}
  .brand-tools{gap:10px;}
  .icon-btn{display:none;}
  .btn,.btn-primary,.btn-ghost{padding:12px 20px;}
  .btn-sm{padding:9px 14px;font-size:.8125rem;}
  .nav-toggle{display:inline-flex;}
  .channel-bar{display:none;}
  .hero{padding:40px 0 44px;}
  .hero-visual{margin-top:32px;}
  .hero-float{left:12px;bottom:14px;padding:12px 16px;}
  .hero-trust{gap:20px;justify-content:space-between;}
  .trust-num{font-size:1.25rem;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .case-list li{flex-wrap:wrap;gap:12px;}
  .case-list .item-time{width:100%;}
  .faq-q{padding:18px 20px;font-size:1rem;}
  .faq-a p{padding:0 20px 20px;font-size:.875rem;}
  .cta-band{padding:52px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{justify-content:flex-start;}
}

/* roulang page: article */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-invert:#F5F6F4;
  --c-warn:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--c-ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media screen and (min-width:1440px){.grid-container{max-width:1320px;padding-left:24px;padding-right:24px}}
@media screen and (max-width:520px){.grid-container{padding-left:20px;padding-right:20px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{background:transparent;border-color:rgba(20,23,26,.32);color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-ink)}
.btn-light:hover{background:var(--c-primary);color:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(245,246,244,.45);color:var(--c-invert)}
.btn-outline-light:hover{background:rgba(245,246,244,.12);border-color:rgba(245,246,244,.7);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--dur) var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(20,23,26,.6)}
.brand-row{display:flex;align-items:center;gap:20px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;border-radius:3px;background:var(--c-accent)}
.brand-name{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:18px}
.search-box{position:relative}
.icon-btn{display:inline-flex;align-items:center;gap:7px;background:transparent;border:0;padding:8px 4px;color:var(--c-text);font-size:14px;cursor:pointer;transition:color var(--dur) var(--ease)}
.icon-btn:hover{color:var(--c-primary)}
.search-form{position:absolute;top:calc(100% + 16px);right:0;display:none;gap:8px;width:330px;padding:12px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-hover);z-index:80}
.search-box.is-open .search-form{display:flex}
.search-form input{flex:1;height:44px;padding:0 14px;font-size:15px;color:var(--c-text);background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn)}
.search-form input::placeholder{color:var(--c-text-2)}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.12)}
.hotline{font-size:14px;color:var(--c-text-2);white-space:nowrap}
.hotline strong{color:var(--c-ink);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.channel-wrap{padding-bottom:0}
.channel-nav{display:flex;align-items:stretch;gap:4px;border-top:1px solid var(--c-line);overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;padding:15px 16px;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap;scroll-snap-align:center;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.channel::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.channel:hover{color:var(--c-ink);transform:translateY(-1px)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--c-primary);font-weight:600}
.channel.is-active::after{transform:scaleX(1)}

.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff;padding:12px 0 20px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-links{display:flex;flex-direction:column}
.mobile-panel .m-links a{padding:13px 4px;border-bottom:1px solid rgba(20,23,26,.06);color:var(--c-text);font-size:15px;font-weight:500}
.mobile-panel .m-links a.is-active{color:var(--c-primary);font-weight:600}
.mobile-panel .m-foot{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.mobile-panel .m-foot span{font-size:14px;color:var(--c-text-2)}

/* ============ 文章页头 ============ */
.post-hero{
  position:relative;
  padding:44px 0 56px;
  color:var(--c-invert);
  background-image:linear-gradient(112deg,rgba(20,23,26,.94) 0%,rgba(10,107,82,.80) 62%,rgba(20,23,26,.88) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(245,246,244,.7)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;max-width:340px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.breadcrumb li+li::before{content:"/";color:rgba(245,246,244,.4)}
.breadcrumb a{color:rgba(245,246,244,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb li[aria-current] span{color:rgba(245,246,244,.62)}
.badge-cat{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:rgba(245,246,244,.14);border:1px solid rgba(245,246,244,.26);font-size:12px;letter-spacing:.08em;color:#fff}
.post-hero h1{margin:16px 0 18px;max-width:960px;font-size:clamp(2.25rem,4.6vw,3.4rem);font-weight:800;line-height:1.24;color:#fff;word-break:break-word}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:14px;color:rgba(245,246,244,.76)}
.post-meta .dot{color:rgba(245,246,244,.4)}
.post-meta strong{color:#fff;font-weight:600}

/* ============ 正文 ============ */
.article-wrap{padding:56px 0 8px}
.article-body{
  max-width:820px;margin:0 auto;padding:38px 42px 44px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  font-size:17.5px;line-height:1.85;color:#333A3F;word-break:break-word;overflow-wrap:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:2em 0 .9em;padding-left:14px;
  font-size:1.5rem;font-weight:700;line-height:1.45;color:var(--c-ink);
  border-left:4px solid var(--c-primary);
}
.article-body h3{margin:1.6em 0 .7em;font-size:1.2rem;font-weight:700;color:var(--c-ink)}
.article-body h4{margin:1.4em 0 .6em;font-size:1.05rem;font-weight:700;color:var(--c-ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:600}
.article-body a{color:var(--c-primary-deep);border-bottom:1px solid rgba(14,143,110,.35)}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--c-primary);
  background:rgba(14,143,110,.06);border-radius:0 10px 10px 0;color:var(--c-text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--sh-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--c-text-2);text-align:center}
.article-body table{width:100%;margin:1.5em 0;border-collapse:collapse;font-size:15px;background:#fff}
.article-body th{background:rgba(14,143,110,.1);color:var(--c-ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:#FAFBFA}
.article-body pre{margin:1.5em 0;padding:16px 18px;background:#F1F3F1;border:1px solid var(--c-line);border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#F1F3F1;padding:2px 6px;border-radius:6px;color:var(--c-primary-deep)}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{margin:2em 0;border:0;border-top:1px solid var(--c-line)}
.article-body .lead{font-size:1.05rem;color:var(--c-text);font-weight:500}

.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#FAFBFA}
.empty-state h2{margin:0 0 12px;padding:0;border:0;font-size:1.35rem;font-weight:700;text-align:center;color:var(--c-ink)}
.empty-state p{margin:0 auto 22px;max-width:520px;font-size:15.5px;color:var(--c-text-2)}
.empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:rgba(14,143,110,.1);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:22px}

/* ============ 标签与延伸 ============ */
.post-tags{max-width:820px;margin:26px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-label{font-size:12px;letter-spacing:.08em;color:var(--c-text-2)}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(14,143,110,.1);color:var(--c-primary-deep);border:1px solid transparent;transition:all var(--dur) var(--ease)}
.tag:hover{background:var(--c-primary);color:#fff;transform:translateY(-1px)}
.tag.is-dark{background:var(--c-ink);color:#fff}
.tag.is-dark:hover{background:var(--c-primary-deep);color:#fff}

.post-nav{max-width:820px;margin:18px auto 0;display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center}
.post-nav a{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border:1px solid rgba(20,23,26,.24);border-radius:var(--r-btn);font-size:14.5px;font-weight:600;color:var(--c-ink);background:#fff;transition:all var(--dur) var(--ease)}
.post-nav a:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff;transform:translateY(-1px)}
.post-nav a.is-center{justify-content:center}
.post-nav a.is-next{justify-content:flex-end}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(1.7rem,2.8vw,2.2rem);font-weight:800;line-height:1.3}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-text-2)}
.section-head .more{font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.section-head .more i{margin-left:6px;transition:transform var(--dur) var(--ease)}
.section-head .more:hover i{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EBE8}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--c-primary-deep)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;background:rgba(14,143,110,.1);color:var(--c-primary-deep)}
.news-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 24px}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14.5px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-2)}
.news-meta .read{font-weight:600;color:var(--c-primary)}
.news-meta .read i{margin-left:4px;transition:transform var(--dur) var(--ease)}
.news-card:hover .news-meta .read i{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--c-ink);color:var(--c-invert);padding:64px 0}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(14,143,110,.45),rgba(14,143,110,0) 68%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.1rem);font-weight:800;line-height:1.35}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(245,246,244,.74);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.72);padding-top:64px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-desc{margin:0 0 18px;line-height:1.8;color:rgba(245,246,244,.68);max-width:420px}
.footer-contact li{margin-bottom:8px;color:rgba(245,246,244,.68);line-height:1.7}
.footer-title{margin-bottom:16px;font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(245,246,244,.7)}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:20px 0 26px;border-top:1px solid rgba(245,246,244,.12);font-size:13.5px;color:rgba(245,246,244,.55)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .article-body{padding:34px 32px 40px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media screen and (max-width:1024px){
  .hotline{display:none}
  .channel-nav{padding-bottom:2px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
}
@media screen and (max-width:767px){
  .brand-row{min-height:64px}
  .brand-name{font-size:18px}
  .article-wrap{padding:40px 0 8px}
  .article-body{padding:26px 20px 32px;font-size:17px;border-radius:12px}
  .article-body h2{font-size:1.3rem}
  .post-hero{padding:32px 0 42px}
  .post-nav{grid-template-columns:1fr;gap:10px}
  .post-nav a,.post-nav a.is-next{justify-content:center}
  .related{padding:56px 0 64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:52px 0}
}
@media screen and (max-width:640px){
  .menu-toggle{display:inline-flex}
  .channel-wrap{display:none}
  .brand-tools{gap:12px}
  .search-form{width:min(300px,88vw);right:-6px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand .brand-name{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .breadcrumb li{max-width:180px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-invert:#F5F6F4;
  --c-soft:rgba(14,143,110,.10);
  --c-hair:rgba(20,23,26,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.02em;line-height:1.28;}
h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;}
h2{font-size:clamp(1.7rem,2.8vw,2.5rem);font-weight:800;}
h3{font-size:1.3rem;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media screen and (min-width:1440px){.grid-container{max-width:1320px;}}
@media screen and (max-width:1023px){.grid-container{padding-left:20px;padding-right:20px;}}
.button,button,input[type="submit"]{border-radius:var(--r-btn);}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;width:calc(100% - 24px);}
@media print,screen and (min-width:640px){
  .grid-margin-x>.medium-6{width:calc(50% - 24px);}
  .grid-margin-x>.medium-4{width:calc(33.3333% - 24px);}
}
@media print,screen and (min-width:1024px){
  .grid-margin-x>.large-3{width:calc(25% - 24px);}
  .grid-margin-x>.large-4{width:calc(33.3333% - 24px);}
  .grid-margin-x>.large-5{width:calc(41.6666% - 24px);}
  .grid-margin-x>.large-6{width:calc(50% - 24px);}
  .grid-margin-x>.large-7{width:calc(58.3333% - 24px);}
  .grid-margin-x>.large-9{width:calc(75% - 24px);}
}
.align-middle{align-items:center;}
.align-top{align-items:flex-start;}

/* ---------- 通用 ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;font-weight:600;color:var(--c-primary);text-transform:uppercase;margin-bottom:16px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);display:block;}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--c-text-2);font-size:1.0625rem;margin-bottom:0;}
.muted{color:var(--c-text-2);}
.small{font-size:.875rem;}

.badge{display:inline-block;padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;font-weight:600;background:var(--c-soft);color:var(--c-primary);}
.badge-strong{background:var(--c-ink);color:#fff;}
.badge-accent{background:rgba(242,97,31,.12);color:var(--c-accent);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--r-btn);font-size:1rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--dur) var(--ease);line-height:1.2;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:var(--c-invert);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-ink);border-color:transparent;}
.btn-light:hover{background:var(--c-invert);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;padding:0;}
.btn-text::after{content:"→";transition:transform var(--dur) var(--ease);font-size:.95em;}
.btn-text:hover::after{transform:translateX(4px);}

.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);overflow:hidden;height:100%;}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.card-media{position:relative;aspect-ratio:16/9;background:#E7EAE6;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:24px;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--c-hair);}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--c-line),0 8px 24px -18px rgba(20,23,26,.35);}
.brand-bar{background:#fff;}
.brand-row{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:22px;height:22px;flex:0 0 22px;border-radius:6px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));position:relative;}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:2px;background:#fff;opacity:.92;}
.brand-name{font-size:1.125rem;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-name{color:var(--c-primary-deep);}
.brand-tools{display:flex;align-items:center;gap:18px;margin-left:auto;}
.site-search{display:flex;align-items:center;border:1px solid var(--c-line);border-radius:999px;padding:4px 4px 4px 16px;background:#fff;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.site-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.12);}
.site-search input{border:0;background:transparent;font-size:.875rem;color:var(--c-text);width:160px;height:32px;outline:none;}
.site-search input::placeholder{color:#9AA1A6;}
.search-btn{border:0;background:var(--c-soft);color:var(--c-primary);font-size:.8125rem;font-weight:600;padding:7px 14px;border-radius:999px;cursor:pointer;transition:background var(--dur) var(--ease);}
.search-btn:hover{background:rgba(14,143,110,.18);}
.hotline{font-size:.875rem;color:var(--c-text-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.lang-switch{font-size:.8125rem;color:var(--c-text-2);border-left:1px solid var(--c-line);padding-left:14px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:#fff;position:relative;cursor:pointer;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:12px;width:18px;height:2px;background:var(--c-ink);content:"";transition:transform var(--dur) var(--ease);}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}

.channel-bar{border-top:1px solid var(--c-line);background:#fff;}
.channel-nav{display:flex;align-items:center;gap:6px;height:56px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel{position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;font-size:.9375rem;font-weight:500;color:var(--c-text);white-space:nowrap;transition:all var(--dur) var(--ease);}
.channel::after{content:"";position:absolute;left:16px;right:16px;bottom:-10px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:center;transition:transform var(--dur) var(--ease);}
.channel:hover{color:var(--c-primary-deep);background:var(--c-soft);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:var(--c-primary-deep);font-weight:600;background:var(--c-soft);}
.channel.is-active::after{transform:scaleX(1);}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:56px 0 72px;background:linear-gradient(90deg,rgba(245,246,244,.97) 0%,rgba(245,246,244,.9) 46%,rgba(245,246,244,.6) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;border-bottom:1px solid var(--c-line);}
.page-hero::after{content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border:1px solid var(--c-hair);border-radius:50%;pointer-events:none;}
.breadcrumb{font-size:.8125rem;color:var(--c-text-2);margin-bottom:22px;display:flex;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span{color:var(--c-ink);font-weight:600;}
.hero-inner{position:relative;z-index:2;}
.hero-lead{font-size:1.125rem;color:var(--c-text);max-width:600px;margin:20px 0 30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;}
.hero-facts li{display:flex;flex-direction:column;gap:2px;}
.hero-facts strong{font-size:1.5rem;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.hero-facts span{font-size:.8125rem;color:var(--c-text-2);}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/11;background:#E7EAE6;box-shadow:var(--sh-card);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media figcaption{position:absolute;left:16px;bottom:16px;background:rgba(20,23,26,.72);color:#fff;font-size:.75rem;letter-spacing:.04em;padding:6px 12px;border-radius:999px;}

/* ---------- 分类页主体 3/9 ---------- */
.cat-layout{padding-top:8px;}
.cat-aside{position:relative;}
.anchor-nav{position:sticky;top:148px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);}
.anchor-nav .anchor-title{font-size:.75rem;letter-spacing:.1em;color:var(--c-text-2);font-weight:700;margin-bottom:14px;}
.anchor-nav a{display:block;font-size:.9375rem;color:var(--c-text);padding:9px 0 9px 14px;border-left:2px solid transparent;transition:all var(--dur) var(--ease);}
.anchor-nav a:hover{color:var(--c-primary);border-left-color:var(--c-primary);background:linear-gradient(90deg,var(--c-soft),transparent);}
.aside-card{margin-top:20px;background:var(--c-ink);color:var(--c-invert);border-radius:var(--r-card);padding:24px;}
.aside-card h3{color:#fff;font-size:1.0625rem;margin-bottom:10px;}
.aside-card p{font-size:.875rem;color:rgba(245,246,244,.72);margin-bottom:18px;}
.aside-card .btn{width:100%;}

.group{display:flex;gap:40px;align-items:center;padding:36px 0;border-bottom:1px solid var(--c-hair);scroll-margin-top:150px;}
.group:last-of-type{border-bottom:0;}
.group.is-reverse{flex-direction:row-reverse;}
.group-media{flex:0 0 46%;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:#E7EAE6;}
.group-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.group:hover .group-media img{transform:scale(1.03);}
.group-body{flex:1 1 auto;}
.group-index{font-size:clamp(3.5rem,6vw,6rem);font-weight:800;line-height:.9;color:var(--c-accent);letter-spacing:-.04em;font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;}
.group-body h3{font-size:1.5rem;margin-bottom:12px;}
.group-body p{color:var(--c-text-2);}
.group-list{margin-top:16px;}
.group-list li{position:relative;padding-left:20px;margin-bottom:8px;font-size:.9375rem;color:var(--c-text);}
.group-list li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:2px;background:var(--c-primary);}

/* ---------- 清单卡 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pick-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.pick-card h3{font-size:1.125rem;margin:14px 0 10px;}
.pick-card p{font-size:.9375rem;color:var(--c-text-2);margin-bottom:14px;}
.pick-meta{display:flex;gap:14px;font-size:.8125rem;color:var(--c-text-2);border-top:1px solid var(--c-hair);padding-top:12px;}
.pick-meta strong{color:var(--c-primary);font-variant-numeric:tabular-nums;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:step;}
.step{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 20px;box-shadow:var(--sh-card);}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:1.75rem;font-weight:800;color:var(--c-primary);letter-spacing:-.03em;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{font-size:.875rem;color:var(--c-text-2);margin:0;}

/* ---------- 预算 ---------- */
.budget-band{background:var(--c-ink);color:var(--c-invert);border-radius:18px;padding:48px;position:relative;overflow:hidden;}
.budget-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border:1px solid rgba(245,246,244,.14);border-radius:50%;}
.budget-band h2{color:#fff;}
.budget-band .section-head p{color:rgba(245,246,244,.74);}
.budget-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:2;}
.budget-row{border:1px solid rgba(245,246,244,.18);border-radius:var(--r-card);padding:24px;}
.budget-row .amount{font-size:1.75rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.budget-row .amount em{font-size:.875rem;font-style:normal;color:rgba(245,246,244,.66);font-weight:500;margin-left:4px;}
.budget-row h3{color:#fff;font-size:1.0625rem;margin:12px 0 10px;}
.budget-row ul li{font-size:.875rem;color:rgba(245,246,244,.74);padding-left:16px;position:relative;margin-bottom:6px;}
.budget-row ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:2px;background:var(--c-accent);}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.scene-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.scene-card .scene-media{aspect-ratio:4/3;background:#E7EAE6;overflow:hidden;}
.scene-card .scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-card .scene-body{padding:22px;}
.scene-card h3{font-size:1.0625rem;margin-bottom:8px;}
.scene-card p{font-size:.875rem;color:var(--c-text-2);margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.faq-item.is-open{border-color:rgba(14,143,110,.4);box-shadow:var(--sh-card);}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;text-align:left;background:transparent;border:0;padding:20px 24px;font-size:1.0625rem;font-weight:600;color:var(--c-ink);cursor:pointer;transition:color var(--dur) var(--ease);}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 14px;margin-left:auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:0;top:50%;width:14px;height:2px;background:var(--c-primary);transform:translateY(-50%);transition:transform var(--dur) var(--ease);}
.faq-icon::after{transform:translateY(-50%) rotate(90deg);}
.faq-item.is-open .faq-icon::after{transform:translateY(-50%) rotate(0deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--c-text-2);font-size:.9375rem;}

/* ---------- CTA + 表单 ---------- */
.cta-band{background:var(--c-ink);color:var(--c-invert);border-radius:18px;padding:56px;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:-70px;bottom:-90px;width:280px;height:280px;border:1px solid rgba(245,246,244,.12);border-radius:50%;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(245,246,244,.74);}
.cta-inner{position:relative;z-index:2;display:flex;gap:48px;align-items:flex-start;}
.cta-copy{flex:1 1 42%;}
.cta-form{flex:1 1 58%;background:rgba(245,246,244,.06);border:1px solid rgba(245,246,244,.16);border-radius:var(--r-card);padding:28px;}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.875rem;color:rgba(245,246,244,.82);}
.field input,.field select,.field textarea{height:48px;border:1px solid rgba(245,246,244,.24);background:rgba(255,255,255,.06);border-radius:10px;color:#fff;padding:0 14px;font-size:.9375rem;outline:none;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);width:100%;font-family:inherit;}
.field textarea{height:auto;padding:12px 14px;min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(245,246,244,.45);}
.field select option{color:var(--c-ink);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.22);}
.form-note{font-size:.8125rem;color:rgba(245,246,244,.55);margin:12px 0 0;}
.form-actions{margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(245,246,244,.12);}
.footer-brand .brand-name{color:#fff;font-size:1.125rem;}
.footer-brand .brand:hover .brand-name{color:var(--c-primary);}
.footer-desc{font-size:.875rem;margin:18px 0 20px;max-width:340px;color:rgba(245,246,244,.66);}
.footer-contact li{font-size:.875rem;margin-bottom:6px;color:rgba(245,246,244,.66);}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(245,246,244,.68);font-size:.875rem;}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 0 32px;font-size:.8125rem;color:rgba(245,246,244,.5);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media screen and (max-width:1199px){
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .pick-grid,.scene-grid{grid-template-columns:repeat(3,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .budget-band,.cta-band{padding:40px;}
}
@media screen and (max-width:1023px){
  .brand-row{height:64px;}
  .hotline,.lang-switch,.site-search{display:none;}
  .nav-toggle{display:block;}
  .channel-nav{height:52px;}
  .channel-nav.is-open{flex-direction:column;align-items:stretch;height:auto;padding:12px 0 16px;overflow:visible;}
  .channel-nav.is-open .channel{height:44px;border-radius:10px;}
  .channel-nav.is-open .channel::after{display:none;}
  .cat-aside{position:static;margin-bottom:32px;}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;}
  .anchor-nav .anchor-title{width:100%;margin-bottom:6px;}
  .anchor-nav a{border-left:0;padding:7px 12px;background:var(--c-bg);border-radius:999px;}
  .aside-card{display:none;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .budget-rows{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;gap:28px;}
  .cta-copy,.cta-form{flex:1 1 auto;width:100%;}
}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero-facts{gap:20px;}
  .hero-facts strong{font-size:1.25rem;}
  .group,.group.is-reverse{flex-direction:column;gap:22px;padding:28px 0;}
  .group-media{flex:0 0 auto;width:100%;}
  .pick-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .page-hero{padding:36px 0 48px;}
  .budget-band,.cta-band{padding:28px;border-radius:14px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-warn:#C2452D;
  --c-note:#C9A227;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
  --sec-lg:96px;
  --sec-md:64px;
  --sec-sm:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,dl,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(14,143,110,.18);}
h1,h2,h3{color:var(--c-ink);letter-spacing:-.02em;font-weight:800;line-height:1.25;}
h1{font-size:clamp(2.05rem,4.2vw,3.25rem);}
h2{font-size:clamp(1.7rem,2.8vw,2.5rem);}
h3{font-size:1.3rem;font-weight:700;}
.tabular{font-variant-numeric:tabular-nums;}

/* ---------- 布局容器 ---------- */
.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}
@media (max-width:640px){.grid-container{padding-left:20px;padding-right:20px;}}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}
.card-row{margin-bottom:-24px;}
.card-row > .cell{margin-bottom:24px;}
section{position:relative;}
.sec{padding-top:var(--sec-lg);padding-bottom:var(--sec-lg);}
@media (max-width:1023px){.sec{padding-top:var(--sec-md);padding-bottom:var(--sec-md);}}
@media (max-width:639px){.sec{padding-top:var(--sec-sm);padding-bottom:var(--sec-sm);}}
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
@media (max-width:639px){.sec-head{margin-bottom:30px;}}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--c-primary);background:rgba(14,143,110,.1);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--c-text-2);font-size:16.5px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-weight:600;font-size:15.5px;
  line-height:1;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(20,23,26,.06);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-light:hover{background:var(--c-bg);color:var(--c-ink);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:#fff;color:var(--c-ink);border-color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-deep);font-weight:600;font-size:15px;}
.btn-text .arrow{transition:transform var(--dur) var(--ease);}
.btn-text:hover .arrow{transform:translateX(4px);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow var(--dur) var(--ease);}
.site-header.is-scrolled{box-shadow:0 6px 24px -16px rgba(20,23,26,.35);border-bottom:1px solid var(--c-line);}
.brand-bar{border-bottom:1px solid transparent;}
.brand-bar-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:22px;height:22px;border-radius:6px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 55%,var(--c-accent) 140%);
}
.brand-mark::after{content:"";position:absolute;left:6px;top:6px;width:10px;height:10px;border-radius:2px;background:rgba(255,255,255,.92);}
.brand-name{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.tool-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--c-text-2);padding:8px 10px;border-radius:8px;transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.tool-btn:hover{color:var(--c-primary-deep);background:rgba(14,143,110,.07);}
.hotline{font-size:14px;color:var(--c-text-2);white-space:nowrap;}
.hotline b{color:var(--c-ink);font-weight:700;font-variant-numeric:tabular-nums;}
.lang{font-size:13px;color:var(--c-text-2);border-left:1px solid var(--c-line);padding-left:14px;}
.nav-toggle{
  display:none;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-ink);
  border:1px solid var(--c-line);border-radius:8px;padding:8px 12px;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.nav-toggle .bars{display:inline-block;width:14px;height:2px;background:currentColor;position:relative;}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0;width:14px;height:2px;background:currentColor;}
.nav-toggle .bars::before{top:-5px;}
.nav-toggle .bars::after{top:5px;}
.search-pop[hidden]{display:none;}
.search-pop{background:#fff;border-bottom:1px solid var(--c-line);}
.search-form{display:flex;gap:10px;padding:14px 0 16px;}
.search-form input[type="search"]{
  flex:1;height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 16px;
  background:#fff;color:var(--c-ink);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search-form input[type="search"]::placeholder{color:#9AA1A6;}
.search-form input[type="search"]:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.12);}

/* ---------- 频道导航 ---------- */
.channel-bar{border-top:1px solid var(--c-line);background:#fff;}
.channel-nav{display:flex;align-items:center;gap:6px;padding:8px 0;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:center;color:var(--c-text);font-weight:500;font-size:15px;
  padding:9px 16px;border-radius:999px;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.channel:hover{color:var(--c-primary-deep);background:rgba(14,143,110,.08);transform:translateY(-1px);}
.channel.is-active{color:#fff;background:var(--c-primary);}
.channel.is-active:hover{background:var(--c-primary-deep);color:#fff;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{display:none;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer{background:#fff;border-top:1px solid var(--c-line);box-shadow:0 20px 30px -24px rgba(20,23,26,.4);}
.mobile-drawer nav{display:flex;flex-direction:column;padding:10px 0 16px;}
.mobile-drawer a{color:var(--c-text);font-weight:500;padding:13px 24px;border-bottom:1px solid rgba(20,23,26,.06);}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a.is-active{color:var(--c-primary-deep);font-weight:700;background:rgba(14,143,110,.06);}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;color:#F5F6F4;padding:64px 0 76px;
  background-image:linear-gradient(118deg,rgba(20,23,26,.9) 8%,rgba(10,107,82,.66) 96%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(245,246,244,.72);margin-bottom:22px;}
.crumb a{color:rgba(245,246,244,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .cur{color:#fff;font-weight:600;}
.hero-tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:16em;margin-bottom:18px;}
.hero-lead{font-size:17px;color:rgba(245,246,244,.82);max-width:640px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);}
.hero-facts li{font-size:14px;color:rgba(245,246,244,.72);}
.hero-facts b{display:block;font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ---------- 适用对象卡 ---------- */
.cfg-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;height:100%;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.cfg-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.cfg-card .idx{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-accent);
  font-variant-numeric:tabular-nums;margin-bottom:10px;display:block;
}
.cfg-card h3{margin-bottom:10px;}
.cfg-card .for{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}
.cfg-card ul{margin-bottom:20px;}
.cfg-card ul li{position:relative;padding-left:18px;font-size:14.5px;margin-bottom:8px;color:var(--c-text);}
.cfg-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.cfg-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px dashed rgba(20,23,26,.12);
}
.cfg-meta .label{font-size:13px;color:var(--c-text-2);}
.cfg-meta .val{font-size:18px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;}

/* ---------- 图文分组 ---------- */
.split{align-items:center;}
.split + .split{margin-top:88px;}
@media (max-width:1023px){.split + .split{margin-top:56px;}}
.split .media{border-radius:var(--r-img);overflow:hidden;background:rgba(14,143,110,.08);aspect-ratio:4/3;box-shadow:var(--sh-card);}
.split .media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.split .media:hover img{transform:scale(1.04);}
.split .tag{display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;color:var(--c-primary-deep);background:rgba(14,143,110,.1);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.split h3{font-size:clamp(1.45rem,2.2vw,1.85rem);margin-bottom:14px;}
.split p.intro{color:var(--c-text-2);margin-bottom:20px;}
.check-list li{position:relative;padding-left:28px;margin-bottom:12px;font-size:15.5px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:5px;
  background:rgba(14,143,110,.14);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;border-left:2px solid var(--c-primary-deep);
  border-bottom:2px solid var(--c-primary-deep);transform:rotate(-45deg);
}

/* ---------- 流程 ---------- */
.steps{background:var(--c-ink);color:#F5F6F4;border-radius:20px;padding:56px 40px;}
@media (max-width:639px){.steps{padding:36px 22px;border-radius:16px;}}
.steps h2{color:#fff;}
.steps .sec-head p{color:rgba(245,246,244,.68);}
.step{
  border-top:1px solid rgba(255,255,255,.16);padding-top:22px;height:100%;
  transition:border-color var(--dur) var(--ease);
}
.step:hover{border-top-color:var(--c-primary);}
.step .num{font-size:34px;font-weight:800;color:rgba(242,97,31,.95);font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1;margin-bottom:12px;}
.step h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;color:rgba(245,246,244,.7);}

/* ---------- 数据条 ---------- */
.facts-band{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 32px;box-shadow:var(--sh-card);}
.fact{text-align:center;padding:10px 0;}
.fact .n{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:800;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;letter-spacing:-.03em;}
.fact .t{font-size:14px;color:var(--c-text-2);margin-top:6px;}
@media (max-width:639px){.fact{border-bottom:1px dashed rgba(20,23,26,.1);} .fact:last-child{border-bottom:0;}}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);}
.faq-item{border-bottom:1px solid rgba(20,23,26,.08);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:20px 26px;font-size:16.5px;font-weight:600;color:var(--c-ink);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-q:hover{background:rgba(14,143,110,.05);color:var(--c-primary-deep);}
.faq-q .sign{position:relative;flex:0 0 auto;width:18px;height:18px;}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--c-primary);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.faq-q .sign::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .sign::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .sign::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.faq-a .inner{padding:0 26px 22px;font-size:15px;color:var(--c-text-2);max-width:820px;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-ink);color:#F5F6F4;border-radius:22px;overflow:hidden;position:relative;
  padding:56px 44px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,143,110,.35),rgba(14,143,110,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:12px;position:relative;z-index:1;}
.cta-band p{color:rgba(245,246,244,.74);margin-bottom:26px;position:relative;z-index:1;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-note{margin-top:22px;font-size:14px;color:rgba(245,246,244,.6);position:relative;z-index:1;}
.cta-note b{color:#fff;font-variant-numeric:tabular-nums;}
@media (max-width:639px){.cta-band{padding:36px 22px;border-radius:16px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.72);padding:64px 0 28px;margin-top:96px;}
@media (max-width:1023px){.site-footer{padding-top:48px;margin-top:64px;}}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:36px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:26px;}}
.site-footer .brand-name{color:#fff;}
.footer-desc{font-size:14px;margin:16px 0 18px;max-width:340px;line-height:1.8;}
.footer-contact li{font-size:14px;margin-bottom:6px;}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(245,246,244,.7);font-size:14px;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(245,246,244,.55);
}
@media (max-width:639px){.footer-bottom{flex-direction:column;}}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .brand-bar-inner{height:64px;}
  .hotline,.lang{display:none;}
}
@media (max-width:639px){
  .brand-bar-inner{gap:12px;}
  .brand-name{font-size:17px;}
  .brand-tools{gap:8px;}
  .tool-btn.search-toggle{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-tools .btn-primary{display:none;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-facts{gap:14px 24px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a .inner{padding:0 18px 18px;}
}
@media (min-width:640px){
  .mobile-drawer{display:none !important;}
}
/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:0ms !important;animation-duration:0ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-inverse:#F5F6F4;
  --c-warn:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;line-height:1.22;letter-spacing:-.02em;}
h1{font-size:clamp(2.25rem,4.6vw,3.75rem);}
h2{font-size:clamp(1.7rem,2.8vw,2.5rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1320px;}
}

.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{width:100%;padding-left:12px;padding-right:12px;margin-bottom:24px;display:flex;flex-direction:column;}
.grid-x>.cell>*{width:100%;}
.grid-x.align-middle>.cell{justify-content:center;}
.grid-x.align-stretch>.cell{align-items:stretch;}

@media screen and (min-width:640px){
  .grid-x>.cell.medium-4{width:33.3333%;}
  .grid-x>.cell.medium-6{width:50%;}
  .grid-x>.cell.medium-8{width:66.6667%;}
}
@media screen and (min-width:1024px){
  .grid-x>.cell.large-3{width:25%;}
  .grid-x>.cell.large-4{width:33.3333%;}
  .grid-x>.cell.large-5{width:41.6667%;}
  .grid-x>.cell.large-6{width:50%;}
  .grid-x>.cell.large-7{width:58.3333%;}
  .grid-x>.cell.large-8{width:66.6667%;}
  .grid-x>.cell.large-12{width:100%;}
}

/* 跳过导航 */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-btn) 0;font-size:14px;
}
.skip-link:focus{left:0;}

/* 页头 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;}
.brand-bar{background:#fff;border-bottom:1px solid transparent;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.site-header.is-scrolled .brand-bar{border-bottom-color:var(--c-line);box-shadow:0 8px 28px -24px rgba(20,23,26,.55);}
.brand-bar-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-ink);letter-spacing:-.02em;}
.brand-mark{width:22px;height:22px;border-radius:6px;background:var(--c-primary);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;right:4px;bottom:4px;width:8px;height:8px;border-radius:2px;background:#fff;opacity:.9;}
.brand-name{white-space:nowrap;}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:18px;}
.hotline{font-size:14px;color:var(--c-text-2);}
.hotline strong{color:var(--c-ink);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.lang-btn{font-size:13px;color:var(--c-text-2);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 12px;background:#fff;cursor:pointer;transition:all var(--dur) var(--ease);}
.lang-btn:hover{color:var(--c-primary);border-color:var(--c-primary);}
.search-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-text-2);background:none;border:0;padding:6px 4px;cursor:pointer;transition:color var(--dur) var(--ease);}
.search-btn:hover{color:var(--c-primary);}
.search-btn svg{width:16px;height:16px;}
.header-cta{padding:11px 20px;font-size:14px;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;position:relative;}
.menu-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.menu-toggle span:nth-child(1){top:14px;}
.menu-toggle span:nth-child(2){top:20px;}
.menu-toggle span:nth-child(3){top:26px;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff;padding:16px 24px 24px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a{display:block;padding:12px 0;font-size:15px;font-weight:500;color:var(--c-ink);border-bottom:1px solid rgba(20,23,26,.08);}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel .btn{margin-top:12px;width:100%;}

/* 频道导航 */
.channel-bar{border-top:1px solid var(--c-line);background:#fff;}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;padding:7px 0;scrollbar-width:none;-ms-overflow-style:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap;scroll-snap-align:center;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.channel:hover{color:var(--c-primary);background:rgba(14,143,110,.08);transform:translateY(-1px);}
.channel.is-active{color:#fff;background:var(--c-primary);font-weight:600;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px);}
.btn-ghost-inverse{border-color:rgba(245,246,244,.5);color:var(--c-inverse);background:transparent;}
.btn-ghost-inverse:hover{background:var(--c-inverse);color:var(--c-ink);transform:translateY(-1px);}
.btn-link{background:none;border:0;padding:0;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:15px;cursor:pointer;}
.btn-link .arrow{display:inline-block;transition:transform var(--dur) var(--ease);}
.btn-link:hover{color:var(--c-primary-deep);}
.btn-link:hover .arrow{transform:translateX(4px);}

/* 通用板块 */
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
.eyebrow-inverse{color:#7FE0C4;}
.eyebrow-inverse::before{background:#7FE0C4;}
.section-title{margin-bottom:16px;}
.section-lead{font-size:16.5px;color:var(--c-text-2);max-width:720px;}
.divider{height:1px;background:rgba(20,23,26,.08);border:0;margin:0;}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:var(--c-ink);}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.78) 46%,rgba(20,23,26,.38) 100%);
}
.hero-overlay::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(245,246,244,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(245,246,244,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 70%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 70%);
}
.hero-inner{position:relative;z-index:2;padding-top:104px;padding-bottom:96px;}
.hero-card{max-width:780px;color:var(--c-inverse);}
.hero-title{color:#fff;margin:10px 0 20px;}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(245,246,244,.86);max-width:640px;margin-bottom:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 40px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;border-top:1px solid rgba(245,246,244,.18);padding-top:26px;}
.hero-stats li{min-width:120px;}
.hero-stats strong{display:block;font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13.5px;color:rgba(245,246,244,.7);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(242,97,31,.16);
  border:1px solid rgba(242,97,31,.42);color:#FFB48A;border-radius:var(--r-pill);
  padding:6px 14px;font-size:12.5px;letter-spacing:.06em;font-weight:600;margin-bottom:18px;
}

/* 数据条 */
.stat-strip{margin-top:-56px;position:relative;z-index:5;}
.stat-grid{display:flex;flex-wrap:wrap;gap:0;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.stat-item{flex:1 1 240px;padding:28px 30px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:14px;color:var(--c-text-2);}

/* 概览卡 */
.overview-cards{display:flex;flex-direction:column;gap:16px;}
.mini-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.mini-card h3{font-size:16.5px;margin-bottom:6px;}
.mini-card p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* 沉浸式场景图文 */
.feature-row{margin-bottom:72px;}
.feature-row:last-child{margin-bottom:0;}
.feature-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;background:#E8EBE7;
  aspect-ratio:16 / 9;box-shadow:var(--sh-card);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.feature-row:hover .feature-media img{transform:scale(1.04);}
.feature-media-tag{
  position:absolute;left:16px;top:16px;background:rgba(20,23,26,.82);color:#fff;
  border-radius:var(--r-pill);padding:6px 14px;font-size:12px;letter-spacing:.06em;font-weight:600;
}
.feature-body{display:flex;flex-direction:column;justify-content:center;padding:8px 0;}
.feature-num{
  display:block;font-size:clamp(3rem,5.4vw,5rem);font-weight:800;line-height:1;
  color:rgba(14,143,110,.18);letter-spacing:-.03em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.feature-body h3{font-size:clamp(1.35rem,2vw,1.6rem);margin-bottom:12px;}
.feature-body p{color:var(--c-text-2);font-size:15.5px;}
.feature-list{margin-top:16px;}
.feature-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--c-text);}
.feature-list li::before{
  content:"";position:absolute;left:3px;top:9px;width:7px;height:12px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);
}
@media screen and (min-width:1024px){
  .feature-row .feature-media{order:1;}
  .feature-row .feature-body{order:2;}
  .feature-row.is-reverse .feature-media{order:2;}
  .feature-row.is-reverse .feature-body{order:1;}
  .feature-body{padding-left:24px;}
  .feature-row.is-reverse .feature-body{padding-left:0;padding-right:24px;}
}

/* 流程步骤 */
.step{
  position:relative;height:100%;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.3);}
.step-index{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.step h3{font-size:17px;margin:10px 0 8px;}
.step p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* 适用对象卡 */
.audience-card{
  height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.audience-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.35);}
.audience-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(14,143,110,.1);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-weight:800;font-size:16px;margin-bottom:16px;
}
.audience-card h3{font-size:17px;margin-bottom:10px;}
.audience-card p{font-size:14.5px;color:var(--c-text-2);margin-bottom:12px;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}
.badge{
  display:inline-block;font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(14,143,110,.1);color:var(--c-primary);
}
.badge-dark{background:var(--c-ink);color:#fff;}
.badge-accent{background:rgba(242,97,31,.12);color:var(--c-accent);}

/* 深色保障区 */
.dark-band{background:var(--c-ink);color:rgba(245,246,244,.78);}
.dark-band h2,.dark-band h3{color:#fff;}
.dark-band .section-lead{color:rgba(245,246,244,.72);}
.guard-list{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.guard-item{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid rgba(245,246,244,.14);border-radius:var(--r-card);padding:18px 20px;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.guard-item:hover{border-color:rgba(14,143,110,.6);background:rgba(14,143,110,.08);}
.guard-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:800;
}
.guard-item h3{font-size:16px;margin-bottom:4px;}
.guard-item p{font-size:14.5px;color:rgba(245,246,244,.68);margin:0;}
.dark-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:36px;border-top:1px solid rgba(245,246,244,.14);padding-top:28px;}
.dark-metrics strong{display:block;font-size:26px;color:#fff;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.dark-metrics span{font-size:13.5px;color:rgba(245,246,244,.66);}

/* 常见问题 */
.faq-list{max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item:hover{border-color:rgba(14,143,110,.35);}
.faq-item[open]{box-shadow:var(--sh-card);border-color:rgba(14,143,110,.4);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:26px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:translateY(-72%) rotate(45deg);
  transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-28%) rotate(-135deg);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-text-2);}
.faq-body p{margin:0;}

/* 行动区 */
.cta-band{position:relative;background:var(--c-ink);color:var(--c-inverse);overflow:hidden;padding:76px 0;}
.cta-band .cta-bg{position:absolute;inset:0;}
.cta-band .cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.22;}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-title{color:#fff;font-size:clamp(1.7rem,2.8vw,2.4rem);margin-bottom:14px;}
.cta-text{color:rgba(245,246,244,.78);font-size:16px;max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cta-points li{
  font-size:13.5px;color:rgba(245,246,244,.86);border:1px solid rgba(245,246,244,.2);
  border-radius:var(--r-pill);padding:6px 14px;
}
.form-card{background:var(--c-card);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-hover);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--c-text-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A6ADB2;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.12);
}
.form-card .btn-primary{width:100%;margin-top:4px;}
.form-tip{margin-top:14px;font-size:14px;color:var(--c-primary);font-weight:600;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:var(--c-inverse);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{color:#fff;font-size:18px;margin-bottom:16px;}
.footer-desc{font-size:14.5px;color:rgba(245,246,244,.7);max-width:340px;}
.footer-contact{margin-top:18px;}
.footer-contact li{font-size:14px;color:rgba(245,246,244,.68);margin-bottom:6px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links a{display:block;font-size:14px;color:rgba(245,246,244,.7);padding:5px 0;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-links a:hover{color:#7FE0C4;transform:translateX(3px);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(245,246,244,.14);
  padding:20px 0 26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(245,246,244,.58);
}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.js .reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media screen and (max-width:1199px){
  :root{--space-section:80px;}
  .hero-inner{padding-top:88px;padding-bottom:80px;}
}
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  .brand-bar-inner{height:64px;}
  .hotline{display:none;}
  .feature-row{margin-bottom:56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-stats{gap:28px;}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-item:last-child{border-bottom:0;}
  .cta-band{padding:56px 0;}
  .dark-metrics{gap:24px;}
}
@media screen and (max-width:639px){
  :root{--space-section:48px;}
  .header-cta,.lang-btn,.search-btn{display:none;}
  .menu-toggle{display:block;}
  .channel-nav{padding:6px 0;}
  .channel{font-size:14px;padding:8px 13px;}
  .hero-inner{padding-top:64px;padding-bottom:56px;}
  .hero-stats{flex-direction:column;gap:18px;}
  .hero-actions .btn{width:100%;}
  .feature-num{font-size:2.75rem;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .form-card{padding:22px;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-line-soft:rgba(20,23,26,.08);
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-invert:#F5F6F4;
  --c-warn:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
  --sec:96px;
  --pad:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --font-num:Inter,"Manrope","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
h1{font-size:clamp(2.25rem,4.6vw,3.75rem);}
h2{font-size:clamp(1.7rem,2.8vw,2.5rem);}
h3{font-size:1.25rem;font-weight:700;}
p{margin:0 0 1em;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary-deep);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,button,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:var(--pad);padding-right:var(--pad);}
@media (min-width:1440px){.grid-container{max-width:1320px;}}
.section{padding:var(--sec) 0;}
.section.tight{padding:calc(var(--sec) * .62) 0;}
.section.ink{background:var(--c-ink);color:var(--c-invert);}
.section.ink h2,.section.ink h3{color:var(--c-invert);}
.section.ink p{color:rgba(245,246,244,.78);}
.section.soft{background:#EDEFEB;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--c-primary);background:rgba(14,143,110,.1);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--c-text-2);font-size:17px;margin-bottom:0;}
.lede{font-size:18px;color:var(--c-text-2);max-width:620px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-card);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:rgba(20,23,26,.28);}
.btn-ghost:hover{background:var(--c-ink);color:var(--c-invert);border-color:var(--c-ink);transform:translateY(-1px);}
.btn-light{background:var(--c-invert);color:var(--c-ink);}
.btn-light:hover{background:#fff;color:var(--c-ink);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-primary);}
.btn-text .arw{transition:transform var(--dur) var(--ease);}
.btn-text:hover .arw{transform:translateX(4px);}
.btn-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* 顶部品牌行 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-card);}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--c-line),0 12px 28px -22px rgba(20,23,26,.5);}
.brandbar{border-bottom:1px solid var(--c-line);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;}
.brand:hover{color:var(--c-ink);}
.brand-mark{width:22px;height:22px;border-radius:6px;background:var(--c-primary);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:6px 6px 6px 6px;background:var(--c-accent);border-radius:3px;}
.brand-name{font-size:19px;font-weight:800;}
.brandbar-tools{display:flex;align-items:center;gap:18px;}
.search-mini{display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;padding:4px 4px 4px 16px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.search-mini:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,110,.12);}
.search-mini input{border:0;background:transparent;outline:none;width:180px;font-size:14px;color:var(--c-text);}
.search-mini button{border:0;background:var(--c-primary);color:#fff;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:background var(--dur) var(--ease);}
.search-mini button:hover{background:var(--c-primary-deep);}
.hotline{font-size:14px;color:var(--c-text-2);white-space:nowrap;}
.nav-toggle{display:none;background:transparent;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:9px 14px;font-size:14px;font-weight:600;color:var(--c-ink);cursor:pointer;}

/* 频道行 */
.channelbar{background:var(--c-card);border-bottom:1px solid var(--c-line);}
.channel-nav{display:flex;align-items:center;gap:6px;min-height:54px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;position:relative;
  padding:14px 16px;font-size:15px;font-weight:500;color:var(--c-text);
  border-radius:999px;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:var(--c-primary);transform:translateY(-1px);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:var(--c-primary);font-weight:600;}
.channel.is-active::after{transform:scaleX(1);}
.mobile-panel{display:none;background:var(--c-card);border-bottom:1px solid var(--c-line);padding:14px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .channel{display:block;border-radius:var(--r-btn);padding:13px 16px;}
.mobile-panel .channel::after{display:none;}
.mobile-panel .channel.is-active{background:rgba(14,143,110,.1);}

/* Hero */
.page-hero{background:var(--c-card);padding:calc(var(--sec) * .82) 0 calc(var(--sec) * .7);border-bottom:1px solid var(--c-line);}
.hero-row{align-items:center;}
.page-hero h1{max-width:15em;}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:#DDE3DF;box-shadow:var(--sh-hover);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(14,143,110,.28),rgba(20,23,26,.12) 60%,rgba(20,23,26,.34));}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;font-weight:600;padding:7px 14px;border-radius:999px;background:rgba(14,143,110,.1);color:var(--c-primary-deep);}
.chip.ink{background:var(--c-ink);color:var(--c-invert);letter-spacing:.06em;}
.chip.line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:26px;border-top:1px solid var(--c-line-soft);}
.hero-stats li{font-size:14px;color:var(--c-text-2);}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;}
.hero-stats .accent{color:var(--c-accent);}

/* 通用卡片 */
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.32);}
.card-pad{padding:26px 24px;}
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.grid-cards.three{grid-template-columns:repeat(3,1fr);}
.grid-cards.two{grid-template-columns:repeat(2,1fr);}
.card .ico{width:40px;height:40px;border-radius:10px;background:rgba(14,143,110,.12);display:flex;align-items:center;justify-content:center;color:var(--c-primary-deep);font-weight:800;font-family:var(--font-num);margin-bottom:16px;}
.card h3{margin-bottom:8px;}
.card p{margin-bottom:0;color:var(--c-text-2);font-size:15px;}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.scene-card{display:grid;grid-template-columns:44% 1fr;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.scene-card figure{margin:0;aspect-ratio:4/3;background:#DDE3DF;overflow:hidden;}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.scene-card:hover img{transform:scale(1.04);}
.scene-body{padding:24px;}
.scene-body h3{font-size:1.2rem;margin-bottom:8px;}
.scene-body p{font-size:15px;color:var(--c-text-2);margin-bottom:14px;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* 流程 */
.step-list{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--gap);counter-reset:step;}
.step{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-card);position:relative;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.step .step-no{font-family:var(--font-num);font-size:34px;font-weight:800;color:rgba(14,143,110,.28);letter-spacing:-.03em;line-height:1;margin-bottom:14px;}
.step h3{font-size:1.1rem;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);margin-bottom:0;}

/* 案例：宽版单列编号大标 */
.case-list{display:flex;flex-direction:column;gap:26px;}
.case-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:34px;display:grid;grid-template-columns:96px 1fr;gap:28px;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.case-item:hover{box-shadow:var(--sh-hover);border-color:rgba(14,143,110,.3);}
.case-index{font-family:var(--font-num);font-size:54px;font-weight:800;line-height:1;color:var(--c-ink);letter-spacing:-.04em;}
.case-index span{color:var(--c-accent);}
.case-main{display:grid;grid-template-columns:300px 1fr;gap:30px;}
.case-main figure{margin:0;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:#DDE3DF;}
.case-main figure img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.case-item:hover .case-main figure img{transform:scale(1.04);}
.case-title{font-size:1.35rem;font-weight:700;color:var(--c-ink);margin:10px 0 6px;letter-spacing:-.01em;}
.case-loc{font-size:13px;color:var(--c-text-2);letter-spacing:.04em;}
.case-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px 26px;margin-top:18px;}
.case-meta dt{font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--c-primary-deep);margin-bottom:6px;}
.case-meta dd{margin:0;font-size:15px;color:var(--c-text-2);}
.case-result{display:flex;flex-wrap:wrap;gap:32px;margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line-soft);}
.case-result div{font-size:13px;color:var(--c-text-2);}
.case-result strong{display:block;font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--c-accent);letter-spacing:-.02em;}

/* 保障条 */
.assure{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.assure-item{border-left:3px solid var(--c-primary);padding:6px 0 6px 20px;}
.assure-item h3{font-size:1.1rem;margin-bottom:6px;}
.assure-item p{margin-bottom:0;font-size:15px;color:rgba(245,246,244,.75);}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);}
.faq-item + .faq-item{margin-top:12px;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--c-ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary-deep);}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:rgba(14,143,110,.12);color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-body{padding:0 24px 22px;color:var(--c-text-2);font-size:15.5px;}
.faq-body p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{background:var(--c-ink);color:var(--c-invert);border-radius:var(--r-card);padding:56px;position:relative;overflow:hidden;border:1px solid rgba(245,246,244,.12);}
.cta-band h2{color:var(--c-invert);max-width:16em;}
.cta-band p{color:rgba(245,246,244,.78);max-width:44em;}
.cta-band::after{content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(14,143,110,.5),transparent 68%);pointer-events:none;}
.cta-inner{position:relative;z-index:1;}
.cta-note{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(245,246,244,.16);font-size:14px;color:rgba(245,246,244,.7);}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:40px;}
.footer-brand .brand{color:var(--c-invert);}
.footer-brand .brand:hover{color:var(--c-invert);}
.footer-desc{font-size:14.5px;margin:18px 0 20px;max-width:34em;color:rgba(245,246,244,.68);}
.footer-contact li{font-size:14px;margin-bottom:8px;color:rgba(245,246,244,.68);}
.footer-title{color:var(--c-invert);font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(245,246,244,.68);font-size:14px;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-links a:hover{color:var(--c-invert);transform:translateX(3px);}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(245,246,244,.14);padding:22px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(245,246,244,.55);}

/* 滚动进入动画 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1199px){
  :root{--sec:64px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .grid-cards.three{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(3,1fr);}
  .case-main{grid-template-columns:260px 1fr;}
}
@media (max-width:1023px){
  .search-mini{display:none;}
  .hotline{display:none;}
  .nav-toggle{display:inline-block;}
  .channelbar{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .case-item{grid-template-columns:64px 1fr;padding:26px;}
  .case-index{font-size:40px;}
  .case-main{grid-template-columns:1fr;gap:22px;}
  .case-meta{grid-template-columns:1fr;}
  .assure{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:767px){
  .page-hero{padding:calc(var(--sec) * .8) 0 var(--sec);}
  .hero-media{margin-top:32px;}
  .grid-cards,.grid-cards.three,.grid-cards.two{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .scene-card{grid-template-columns:1fr;}
  .scene-card figure{aspect-ratio:16/9;}
  .case-item{grid-template-columns:1fr;gap:16px;}
  .case-result{gap:22px;}
  .hero-stats{gap:22px;}
  .hero-stats strong{font-size:22px;}
}
@media (max-width:519px){
  :root{--pad:20px;--sec:48px;}
  .brand-name{font-size:17px;}
  .brandbar-tools{gap:12px;}
  .btn{padding:13px 20px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .case-item{padding:20px;}
  .case-meta{gap:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --c-ink:#14171A;
  --c-primary:#0E8F6E;
  --c-primary-deep:#0A6B52;
  --c-accent:#F2611F;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-line:#E2E5E1;
  --c-text:#3C4247;
  --c-text-2:#6E767C;
  --c-warn:#C2452D;
  --c-note:#C9A227;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(20,23,26,.06);
  --sh-hover:0 18px 40px -18px rgba(20,23,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;line-height:1.28}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1440px){.grid-container{max-width:1320px}}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,246,244,.96);backdrop-filter:blur(6px);transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 1px 2px rgba(20,23,26,.06),0 10px 30px -22px rgba(20,23,26,.4)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:22px;height:22px;border-radius:6px;background:var(--c-primary);position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;right:-4px;bottom:-4px;width:10px;height:10px;border-radius:3px;background:var(--c-accent)}
.brand-name{font-size:1.24rem;font-weight:800;color:var(--c-ink);letter-spacing:-.02em}
.brand-row-tools{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-search-toggle,.nav-lang{background:none;border:none;color:var(--c-text-2);font-size:.875rem;cursor:pointer;padding:6px 2px;transition:color var(--dur) var(--ease)}
.nav-search-toggle:hover,.nav-lang:hover{color:var(--c-primary)}
.nav-search-toggle i{margin-right:6px}
.nav-hotline{font-size:.875rem;color:var(--c-text-2);display:inline-flex;align-items:center;gap:8px}
.nav-hotline strong{color:var(--c-ink);font-weight:700;font-variant-numeric:tabular-nums}
.nav-search{display:none;width:100%;padding:0 0 14px}
.nav-search.is-open{display:block}
.nav-search form{display:flex;gap:10px}
.nav-search input{flex:1;height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;padding:0 14px;color:var(--c-text)}
.nav-search input:focus{border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(14,143,110,.12)}

/* ---------- 频道行 ---------- */
.channel-bar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.72)}
.channel-nav{display:flex;align-items:center;gap:8px;height:54px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel{position:relative;flex:none;scroll-snap-align:center;padding:8px 14px;border-radius:999px;font-size:.9375rem;font-weight:500;color:var(--c-text-2);white-space:nowrap;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.channel:hover{color:var(--c-ink);background:rgba(20,23,26,.05);transform:translateY(-1px)}
.channel.is-active{color:var(--c-primary);background:rgba(14,143,110,.1);font-weight:600}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary)}

.nav-burger{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink);cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff}
.mobile-panel .grid-container{padding-top:10px;padding-bottom:16px}
.mobile-panel a{display:block;padding:12px 4px;font-weight:500;color:var(--c-text);border-bottom:1px dashed rgba(20,23,26,.08)}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:700}
body.nav-open .mobile-panel{display:block}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;font-size:.9375rem;cursor:pointer;transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);line-height:1.2}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(20,23,26,.06)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent}
.btn-ghost:hover{background:var(--c-ink);color:#F5F6F4;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-ink);border-color:transparent}
.btn-light:hover{background:#fff;color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-on-dark{border-color:rgba(245,246,244,.45);color:#F5F6F4;background:transparent}
.btn-on-dark:hover{border-color:#F5F6F4;background:rgba(245,246,244,.12);transform:translateY(-1px)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-primary)}
.text-link i{transition:transform var(--dur) var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 频道头 ---------- */
.page-hero{position:relative;background-color:var(--c-ink);background-image:linear-gradient(100deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.78) 46%,rgba(20,23,26,.42) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#F5F6F4;padding:76px 0 68px}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,143,110,.14),transparent 55%);pointer-events:none}
.page-hero .grid-container{position:relative;z-index:1}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(245,246,244,.28);background:rgba(245,246,244,.08);font-size:.75rem;letter-spacing:.08em;color:#F5F6F4;margin-bottom:20px}
.kicker i{color:var(--c-primary)}
.page-hero h1{color:#F5F6F4;font-size:clamp(2.25rem,4.6vw,3.6rem);margin-bottom:16px}
.hero-lead{font-size:1.0625rem;color:rgba(245,246,244,.82);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 32px;padding-top:22px;border-top:1px solid rgba(245,246,244,.16)}
.hero-facts li{font-size:.9375rem;color:rgba(245,246,244,.78)}
.hero-facts strong{display:block;color:#fff;font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-side{background:rgba(255,255,255,.08);border:1px solid rgba(245,246,244,.18);border-radius:var(--r-card);padding:26px;backdrop-filter:blur(8px)}
.hero-side h2{color:#fff;font-size:1.125rem;margin-bottom:14px}
.hero-side ul li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(245,246,244,.82);padding:10px 0;border-bottom:1px dashed rgba(245,246,244,.16)}
.hero-side ul li:last-child{border-bottom:none}
.hero-side i{color:var(--c-primary);margin-top:5px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.is-tight{padding:64px 0}
.section.alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:.75rem;letter-spacing:.08em;color:var(--c-primary);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:clamp(1.7rem,2.8vw,2.4rem);margin-bottom:14px}
.section-sub{color:var(--c-text-2);font-size:1rem;margin:0}

/* ---------- 服务包 ---------- */
.plans{align-items:stretch}
.plan-card{position:relative;display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.plan-card.is-featured{border:2px solid var(--c-primary);box-shadow:0 18px 40px -22px rgba(14,143,110,.5)}
.plan-badge{position:absolute;top:-13px;left:28px;padding:5px 14px;border-radius:999px;background:var(--c-accent);color:#fff;font-size:.75rem;letter-spacing:.06em;font-weight:700}
.plan-name{font-size:1.375rem;margin-bottom:6px}
.plan-for{font-size:.875rem;color:var(--c-text-2);margin-bottom:20px}
.plan-price{display:flex;align-items:baseline;gap:8px;padding-bottom:18px;border-bottom:1px dashed rgba(20,23,26,.1);margin-bottom:20px}
.plan-price .num{font-family:"Inter","Manrope",system-ui,sans-serif;font-size:2.5rem;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1}
.plan-price .unit{font-size:.875rem;color:var(--c-text-2)}
.plan-list{margin-bottom:26px}
.plan-list li{display:flex;gap:10px;font-size:.9375rem;padding:8px 0;color:var(--c-text)}
.plan-list i{color:var(--c-primary);margin-top:5px;font-size:.8125rem}
.plan-card .btn{margin-top:auto}

/* ---------- 服务明细对比 ---------- */
.spec-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.spec-head,.spec-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:16px;padding:18px 26px;align-items:center}
.spec-head{background:rgba(14,143,110,.08);border-bottom:1px solid var(--c-line);font-size:.8125rem;letter-spacing:.06em;color:var(--c-primary-deep);font-weight:700}
.spec-row{border-bottom:1px solid rgba(20,23,26,.08);font-size:.9375rem;transition:background-color var(--dur) var(--ease)}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:rgba(20,23,26,.02)}
.spec-row .item{font-weight:600;color:var(--c-ink)}
.spec-row .val{color:var(--c-text-2)}
.spec-row .val i{color:var(--c-primary);margin-right:6px}
.spec-row .val.no i{color:var(--c-line)}

/* ---------- 服务流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-card);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.step-num{font-family:"Inter","Manrope",system-ui,sans-serif;font-size:2.5rem;font-weight:800;color:rgba(14,143,110,.28);letter-spacing:-.04em;line-height:1;margin-bottom:12px}
.step h3{font-size:1.1875rem;margin-bottom:8px}
.step p{font-size:.9375rem;color:var(--c-text-2);margin:0}

/* ---------- 数字与服务保障 ---------- */
.stat-band{background:var(--c-ink);color:#F5F6F4;border-radius:var(--r-card);padding:40px 36px;border:1px solid rgba(245,246,244,.12)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat-grid .num{font-family:"Inter","Manrope",system-ui,sans-serif;font-size:2.25rem;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.1}
.stat-grid .lbl{font-size:.875rem;color:rgba(245,246,244,.7);margin-top:6px}
.media-block{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.media-block.reverse .media-text{order:2}
.media-img{border-radius:var(--r-img);overflow:hidden;background:#E8EBE7;aspect-ratio:16/9}
.media-img img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.media-img:hover img{transform:scale(1.04)}
.check-list li{display:flex;gap:12px;padding:10px 0;font-size:.9375rem}
.check-list i{color:var(--c-primary);margin-top:5px;font-size:.8125rem}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--sh-card)}
.faq-item{border-bottom:1px solid rgba(20,23,26,.08)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 26px;background:none;border:none;cursor:pointer;font-size:1.03125rem;font-weight:600;color:var(--c-ink);transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.faq-q:hover{color:var(--c-primary);background:rgba(20,23,26,.02)}
.faq-q .icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:.75rem;transition:transform 300ms var(--ease),border-color var(--dur) var(--ease)}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open .faq-q .icon{transform:rotate(180deg);border-color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a .inner{padding:0 26px 22px;font-size:.9375rem;color:var(--c-text-2)}

/* ---------- 表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-card)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.875rem;color:var(--c-ink);font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-text);padding:0 14px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(14,143,110,.12)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-text-2) 50%),linear-gradient(135deg,var(--c-text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-note{font-size:.8125rem;color:var(--c-text-2);margin:14px 0 0}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:rgba(14,143,110,.1);color:var(--c-primary-deep);font-size:.875rem;border:1px solid rgba(14,143,110,.24)}
.form-msg.is-show{display:block}
.contact-list{margin-top:26px}
.contact-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(20,23,26,.1);font-size:.9375rem}
.contact-list i{color:var(--c-primary);margin-top:5px}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;background-color:var(--c-ink);background-image:linear-gradient(90deg,rgba(20,23,26,.95) 0%,rgba(20,23,26,.78) 60%,rgba(20,23,26,.55) 100%),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;border-radius:var(--r-card);padding:52px 44px;color:#F5F6F4;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;border:1px solid rgba(245,246,244,.12)}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:8px}
.cta-band p{color:rgba(245,246,244,.78);margin:0;font-size:.9375rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(245,246,244,.72);padding:66px 0 26px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:36px}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:.9375rem;margin:16px 0 18px;max-width:340px}
.footer-contact li{font-size:.875rem;padding:5px 0}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-links a{display:block;font-size:.875rem;padding:6px 0;color:rgba(245,246,244,.72)}
.footer-links a:hover{color:var(--c-primary)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid rgba(245,246,244,.14);margin-top:44px;padding-top:22px;font-size:.8125rem;color:rgba(245,246,244,.55)}

/* ---------- 动效 ---------- */
.js-ready .reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.js-ready .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .js-ready .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0}
  .hero-facts{gap:12px 24px}
  .media-block{gap:36px}
}
@media (max-width:1023px){
  .nav-hotline,.nav-lang{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .channel-nav{height:50px}
  .section{padding:64px 0}
  .page-hero{padding:60px 0 54px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .media-block{grid-template-columns:1fr;gap:28px}
  .media-block.reverse .media-text{order:0}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .brand-row{height:64px}
  .brand-row-tools .btn{padding:11px 18px;font-size:.875rem}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .plan-card.is-featured{order:-1}
  .spec-head{display:none}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:18px 20px}
  .spec-row .item{font-size:1rem;padding-bottom:6px;border-bottom:1px dashed rgba(20,23,26,.1)}
  .steps{grid-template-columns:1fr}
  .stat-band{padding:28px 22px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-grid .num{font-size:1.75rem}
  .cta-band{padding:34px 24px;flex-direction:column;align-items:flex-start}
  .faq-q{padding:16px 20px;font-size:.9688rem}
  .faq-a .inner{padding:0 20px 18px}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .site-footer{padding:48px 0 22px;margin-top:64px}
}
@media (max-width:519px){
  .brand-row-tools .btn{display:none}
  .hero-facts{gap:10px 18px}
  .hero-facts strong{font-size:1.25rem}
  .plan-price .num{font-size:2.125rem}
}