/* roulang page: index */
/* ==================== 1. 设计变量 ==================== */
:root{
  --brand:#12A67C;
  --brand-dark:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --ink-2:#164236;
  --text:#33463F;
  --text-2:#6B7F78;
  --text-3:#96A8A1;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 52%,#F2B431 100%);
  --r-xl:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 10px 30px -12px rgba(13,42,35,.18);
  --sh-card-hover:0 22px 44px -18px rgba(13,42,35,.26);
  --sh-deep:0 18px 40px -18px rgba(13,42,35,.35);
  --sh-btn:0 12px 26px -12px rgba(18,166,124,.72);
  --focus-ring:0 0 0 3px rgba(18,166,124,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --pad-y:96px;
  --gutter:32px;
}

/* ==================== 2. Reset 与基础 ==================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:10px;}

/* ==================== 3. 容器与板块 ==================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.section{padding:var(--pad-y) 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.4px;}
.section-head p.lead{margin-top:12px;font-size:16px;color:var(--text-2);max-width:620px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand-dark);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ==================== 4. 通用文字 ==================== */
.h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.6px;
}
.h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink);}
.muted{color:var(--text-2);}
.small{font-size:13.5px;line-height:1.6;color:var(--text-2);}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ==================== 5. 按钮 ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),filter .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{flex:none;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(18,166,124,.8);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{background:transparent;color:var(--brand-dark);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ink{background:var(--ink);color:#E7F6F0;box-shadow:var(--sh-deep);}
.btn-ink:hover{background:var(--ink-2);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-dark);}
.btn-text svg{transition:transform .25s var(--ease);}
.btn-text:hover{color:var(--brand);}
.btn-text:hover svg{transform:translateX(3px);}

/* ==================== 6. 徽章与标签 ==================== */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.4;white-space:nowrap;
}
.badge svg{flex:none;}
.badge-soft{background:var(--brand-soft);color:var(--brand-dark);}
.badge-ink{background:var(--ink);color:#CFF0E4;}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--text-2);}
.badge-accent{background:rgba(244,115,44,.12);color:#C7500F;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
}

/* ==================== 7. 卡片 ==================== */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#CDE7DD;}
.card-lg{border-radius:var(--r-xl);}
.card .card-title{font-size:20px;font-weight:600;color:var(--ink);line-height:1.4;transition:color .3s var(--ease);}
.card:hover .card-title{color:var(--brand-dark);}
.card .card-desc{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.75;}
.icon-box{
  width:48px;height:48px;border-radius:14px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
}
.icon-box.grad{background:var(--grad);color:#fff;}
.thumb{width:100%;border-radius:var(--r-md);object-fit:cover;background:var(--brand-soft);}
.thumb-wrap{overflow:hidden;border-radius:var(--r-md);background:var(--brand-soft);}
.thumb-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.card:hover .thumb-wrap img,.case-card:hover .thumb-wrap img{transform:scale(1.04);}

/* ==================== 8. 头部导航 ==================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,249,247,.86);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px -16px rgba(13,42,35,.4);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .3s var(--ease);}
.site-header.is-scrolled .header-inner{height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;flex:none;box-shadow:0 8px 18px -10px rgba(18,166,124,.8);}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;min-width:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),width .3s var(--ease);
  width:216px;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:var(--focus-ring);}
.search-box svg{color:var(--text-3);flex:none;}
.search-box input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;}
.search-box input::placeholder{color:var(--text-3);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);
}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(13,42,35,.45);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);z-index:70;
}
.drawer-overlay.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:80;
  background:#fff;box-shadow:-20px 0 50px -24px rgba(13,42,35,.5);
  transform:translateX(102%);transition:transform .35s var(--ease);
  padding:24px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--ink);}
.drawer-close:hover{background:var(--brand-soft);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:13px 16px;border-radius:14px;font-size:15px;font-weight:500;color:var(--text);
  border:1px solid transparent;transition:all .25s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;border-color:#CDE7DD;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ==================== 9. 首屏 Hero ==================== */
.hero{position:relative;overflow:hidden;padding:72px 0 84px;}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(18,166,124,.20),rgba(242,180,49,.12) 46%,transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-180px;bottom:-220px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(63,199,154,.16),transparent 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-copy .eyebrow{margin-bottom:18px;}
.hero-copy h1{margin-bottom:18px;}
.hero-sub{font-size:19px;line-height:1.7;color:var(--text-2);max-width:34em;font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:20px;display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--text-2);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note svg{color:var(--brand);flex:none;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/13;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-deep);background:var(--brand-soft);}
.float-badge{
  position:absolute;left:-18px;bottom:28px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:14px 18px;box-shadow:var(--sh-card);
  display:flex;align-items:center;gap:12px;
}
.float-badge .num{font-size:24px;font-weight:800;color:var(--ink);line-height:1.1;}
.float-badge .lbl{font-size:12.5px;color:var(--text-2);}
.float-chip{
  position:absolute;top:20px;right:-10px;
  background:var(--ink);color:#CFF0E4;border-radius:var(--r-pill);
  padding:9px 16px;font-size:12.5px;font-weight:600;
  box-shadow:var(--sh-deep);display:flex;align-items:center;gap:8px;
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:52px;}
.stat{
  border-radius:var(--r-md);padding:18px 20px;
  display:flex;flex-direction:column;gap:4px;
  border:1px solid var(--line);background:#fff;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-card);}
.stat .val{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.5px;line-height:1.2;}
.stat .val small{font-size:13px;font-weight:600;margin-left:3px;color:var(--brand-dark);}
.stat .key{font-size:13px;color:var(--text-2);}
.stat.soft{background:var(--brand-soft);border-color:#CDE7DD;}
.stat.soft .val{color:var(--brand-dark);}
.stat.ink{background:var(--ink);border-color:var(--ink);}
.stat.ink .val{color:#fff;}
.stat.ink .val small{color:var(--gold);}
.stat.ink .key{color:#9DBDB3;}
.stat.gold{background:#FFF7E4;border-color:#F6E2B4;}
.stat.gold .val{color:#8A5A00;}
.stat.gold .key{color:#A07A2E;}

/* ==================== 10. 能力区（不对称） ==================== */
.capability-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:24px;align-items:stretch;}
.cap-feature{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  background:var(--ink);border:1px solid var(--ink);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.cap-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.cap-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:transform .6s var(--ease);}
.cap-feature:hover img{transform:scale(1.04);}
.cap-feature .inner{position:relative;padding:30px;color:#E7F6F0;}
.cap-feature h3{font-size:22px;color:#fff;font-weight:700;}
.cap-feature p{margin-top:10px;font-size:14.5px;color:#B7D8CC;line-height:1.75;}
.cap-feature .mini-list{margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.cap-feature .mini-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#D5EDE4;}
.cap-feature .mini-list svg{color:var(--gold);flex:none;margin-top:5px;}
.cap-grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cap-card{display:flex;flex-direction:column;gap:14px;}
.cap-card .card-desc{max-width:32em;}

/* ==================== 11. 数据带 ==================== */
.dark-band{
  position:relative;background:var(--ink);color:#DDEBE6;overflow:hidden;
  padding:76px 0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.16;
}
.dark-band::after{
  content:"";position:absolute;top:-120px;left:12%;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.30),transparent 68%);
}
.dark-band .container{position:relative;z-index:2;}
.band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap;}
.band-head h2{color:#fff;}
.band-head p{color:#9DBDB3;margin-top:10px;max-width:560px;font-size:15px;}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.metric{padding:0 26px;}
.metric:first-child{padding-left:0;}
.metric + .metric{border-left:1px solid rgba(242,180,49,.35);}
.metric .num{font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.15;letter-spacing:-1px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric .num small{font-size:15px;font-weight:600;margin-left:4px;-webkit-text-fill-color:#9DBDB3;}
.metric .key{margin-top:8px;font-size:14px;color:#C4DCD3;font-weight:600;}
.metric .sub{margin-top:6px;font-size:13px;color:#87A79D;}
.band-badges{margin-top:44px;display:flex;flex-wrap:wrap;gap:12px;}
.band-badges .badge{background:rgba(255,255,255,.08);color:#CFEDE2;border:1px solid rgba(255,255,255,.14);}

/* ==================== 12. 案例区 ==================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#CDE7DD;}
.case-card .thumb-wrap{border-radius:0;aspect-ratio:16/10;}
.case-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.case-body .conclusion{font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .3s var(--ease);}
.case-card:hover .conclusion{color:var(--brand-dark);}
.case-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;}

/* ==================== 13. 方案区（图文交替） ==================== */
.plan-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0;}
.plan-block + .plan-block{border-top:1px solid var(--line);}
.plan-block.reverse .plan-media{order:2;}
.plan-block.reverse .plan-copy{order:1;}
.plan-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-card);background:var(--brand-soft);}
.plan-copy .h2{margin-bottom:14px;}
.plan-copy .plan-desc{color:var(--text-2);font-size:16px;line-height:1.8;max-width:34em;}
.plan-points{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.plan-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);}
.plan-points .pt-idx{
  width:26px;height:26px;border-radius:9px;flex:none;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:700;
}
.plan-copy .btn-text{margin-top:24px;}

/* ==================== 14. 资讯列表（CMS） ==================== */
.news-feature{
  display:grid;grid-template-columns:1.1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#CDE7DD;}
.news-feature .nf-media{position:relative;min-height:260px;background:var(--brand-soft);overflow:hidden;}
.news-feature .nf-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.news-feature:hover .nf-media img{transform:scale(1.04);}
.news-feature .nf-body{padding:34px;display:flex;flex-direction:column;gap:16px;}
.news-feature .nf-title{font-size:24px;font-weight:700;color:var(--ink);line-height:1.45;transition:color .3s var(--ease);}
.news-feature:hover .nf-title{color:var(--brand-dark);}
.news-feature .nf-desc{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-2);}
.news-list{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 24px 24px 22px;display:flex;flex-direction:column;gap:12px;
  border-left:3px solid transparent;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-left-color:var(--brand);background:#FCFEFD;}
.news-card .nc-title{font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;transition:color .3s var(--ease);}
.news-card:hover .nc-title{color:var(--brand-dark);}
.news-card .nc-desc{font-size:14px;color:var(--text-2);line-height:1.7;}
.news-card .news-meta{margin-top:auto;}
.empty-state{
  border:1px dashed #C9E4DA;background:#fff;border-radius:var(--r-xl);
  padding:56px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .icon-box{width:56px;height:56px;border-radius:18px;}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ==================== 15. FAQ ==================== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:#CDE7DD;box-shadow:var(--sh-card);}
.faq-item.is-open{border-color:#BFE3D6;box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--brand-dark);}
.faq-sign{
  width:28px;height:28px;border-radius:9px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item.is-open .faq-sign{background:var(--grad);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:-1px;}
.faq-a-inner p{padding-top:16px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:60em;}
.faq-item.is-open .faq-a{max-height:340px;}

/* ==================== 16. CTA 与表单 ==================== */
.cta-section{padding-bottom:var(--pad-y);}
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-card);overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;
}
.cta-left{padding:44px;border-right:1px solid var(--line);}
.cta-left .h2{margin-bottom:12px;}
.cta-left > p{color:var(--text-2);font-size:15.5px;max-width:36em;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field textarea,.field select{
  height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFDFC;
  font-size:15px;outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:13px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);background:#fff;box-shadow:var(--focus-ring);}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#C9E4DA;}
.field .hint{font-size:13px;color:var(--text-2);}
.field.has-error input,.field.has-error textarea{border-color:var(--accent);}
.field .err{font-size:13px;color:#C7500F;display:none;}
.field.has-error .err{display:block;}
.form-actions{grid-column:1 / -1;margin-top:6px;display:flex;flex-direction:column;gap:12px;}
.form-success{
  display:none;align-items:center;gap:10px;
  background:var(--brand-soft);border:1px solid #BFE3D6;color:var(--brand-dark);
  border-radius:var(--r-sm);padding:13px 16px;font-size:14px;font-weight:600;
}
.form-success.show{display:flex;}
.cta-right{background:#FBFDFC;padding:44px;display:flex;flex-direction:column;gap:22px;}
.info-item{display:flex;gap:14px;align-items:flex-start;}
.info-item .icon-box{width:42px;height:42px;border-radius:12px;}
.info-item .k{font-size:13px;color:var(--text-2);}
.info-item .v{font-size:15.5px;font-weight:600;color:var(--ink);word-break:break-all;}
.info-card-mini{
  margin-top:auto;background:var(--ink);border-radius:var(--r-md);
  padding:22px;color:#CFEDE2;
}
.info-card-mini .t{font-size:14px;font-weight:700;color:#fff;}
.info-card-mini .d{margin-top:8px;font-size:13.5px;color:#9DBDB3;line-height:1.7;}

/* ==================== 17. 页脚 ==================== */
.site-footer{background:var(--ink);color:#9DBDB3;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:#9DBDB3;max-width:30em;}
.footer-domain{
  margin-top:20px;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#CFEDE2;
}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF7F2;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#9DBDB3;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7F9C93;
}
.footer-bottom .sep{opacity:.6;}

/* ==================== 18. 响应式 ==================== */
@media (max-width:1199px){
  :root{--gutter:24px;--pad-y:80px;}
  .search-box{width:170px;}
  .hero-grid{gap:40px;}
  .plan-block{gap:40px;}
}
@media (max-width:991px){
  :root{--pad-y:72px;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .search-box{display:none;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero-copy{order:1;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .capability-grid{grid-template-columns:1fr;}
  .cap-feature{min-height:320px;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .news-feature{grid-template-columns:1fr;}
  .news-feature .nf-media{min-height:220px;}
  .news-list{grid-template-columns:repeat(2,1fr);}
  .metric-row{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .metric{padding:0 20px;}
  .metric:nth-child(odd){padding-left:0;}
  .metric:nth-child(3){border-left:0;}
  .plan-block{grid-template-columns:1fr;gap:28px;}
  .plan-block.reverse .plan-media{order:1;}
  .plan-block.reverse .plan-copy{order:2;}
  .cta-panel{grid-template-columns:1fr;}
  .cta-left{border-right:0;border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--pad-y:60px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .section-head h2{font-size:26px;}
  .stat-row{grid-template-columns:1fr 1fr;gap:12px;}
  .case-grid{grid-template-columns:1fr;}
  .news-list{grid-template-columns:1fr;}
  .cap-grid-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .cta-left,.cta-right{padding:28px;}
  .float-badge{left:12px;bottom:14px;padding:12px 15px;}
  .float-chip{right:10px;top:12px;font-size:12px;padding:8px 13px;}
  .hero-sub{font-size:17px;}
}
@media (max-width:559px){
  :root{--gutter:16px;--pad-y:54px;}
  .header-inner{height:66px;gap:14px;}
  .logo-text{font-size:16px;}
  .btn{height:46px;font-size:14.5px;padding:0 20px;}
  .hero-actions .btn{width:100%;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .stat{padding:15px 16px;}
  .stat .val{font-size:22px;}
  .metric-row{grid-template-columns:1fr;}
  .metric{padding:0;}
  .metric + .metric{border-left:0;border-top:1px solid rgba(242,180,49,.28);padding-top:22px;}
  .metric:first-child{padding-top:0;}
  .metric:not(:first-child){margin-top:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-badge .num{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --brand:#12A67C;
  --brand-dark:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --text:#33463F;
  --muted:#6B7F78;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 55%,#F2B431 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px -12px rgba(13,42,35,.18);
  --sh-dark:0 18px 40px -18px rgba(13,42,35,.35);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
/* ============ 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","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
p{margin:0 0 1.1em}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,166,124,.28);border-radius:8px}
::selection{background:rgba(18,166,124,.18)}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3}
.section-head p{color:var(--muted);margin:8px 0 0;max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-dark);font-size:15px}
.text-link svg{transition:transform .25s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(18,166,124,.75)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(18,166,124,.7);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid var(--brand);color:var(--brand-dark);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 10px 26px -20px rgba(13,42,35,.55)}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background-image:var(--grad);color:#fff;box-shadow:0 8px 18px -10px rgba(18,166,124,.9);
}
.logo-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px}
.logo:hover .logo-text{color:var(--brand-dark)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:12px;
  font-size:15.5px;font-weight:500;color:var(--text);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand-dark);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;
  background-image:var(--grad);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:14px;color:var(--muted);pointer-events:none}
.search-box input{
  width:210px;height:42px;padding:0 14px 0 38px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;font-size:14.5px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),width .22s var(--ease);
}
.search-box input::placeholder{color:#9BAEA7}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.18)}
.btn-login{font-size:15px;font-weight:600;color:var(--text);padding:8px 10px;border-radius:10px}
.btn-login:hover{color:var(--brand-dark);background:var(--brand-soft)}
.btn-nav-cta{height:42px;padding:0 20px;font-size:15px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink);background:#fff;
}
.hamburger:hover{background:var(--brand-soft);border-color:#CDE9DF}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,42,35,.45);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);z-index:95;
  background:#fff;box-shadow:var(--sh-dark);
  transform:translateX(102%);transition:transform .32s var(--ease);
  padding:24px 22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.drawer-close:hover{background:var(--brand-soft)}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{padding:12px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text)}
.drawer nav a:hover,.drawer nav a.is-active{background:var(--brand-soft);color:var(--brand-dark)}
.drawer .search-box input{width:100%}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 6px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-dark)}
.breadcrumb span.sep{color:#B9CBC4}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:26px 0 40px;
}
.article-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(18,166,124,.20),rgba(242,180,49,.10) 60%,rgba(255,255,255,0) 72%);
  pointer-events:none;
}
.article-hero-inner{position:relative;max-width:900px}
.article-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;letter-spacing:.2px;
  margin-bottom:22px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;border:1px solid transparent;
}
.pill svg{flex:0 0 auto}
.pill-brand{background:var(--brand-soft);color:var(--brand-dark)}
.pill-outline{border-color:var(--line);color:var(--muted);background:#fff}
.pill-dark{background:var(--ink);color:#E8F5EF}
.pill-accent{background:rgba(244,115,44,.10);color:#C2551B;border-color:rgba(244,115,44,.22)}

/* ============ 文章主体布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;align-items:start;padding-bottom:88px;
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:44px 48px;
}
.article-body{font-size:17px;line-height:1.85;color:var(--text);max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  margin:2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background-image:var(--grad);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:1.6em 0 .7em}
.article-body h4{font-size:17.5px;font-weight:600;margin:1.3em 0 .5em;color:var(--ink)}
.article-body p{margin:0 0 1.1em}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(18,166,124,.35)}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.article-body ol{counter-reset:item;list-style:none}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.15em;
  width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:var(--r-md);
  color:#26443A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.4em 0 .6em;width:100%;object-fit:cover;background:var(--brand-soft)}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15.5px}
.article-body thead th{background:var(--brand-soft);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border:0}
.article-body tbody tr:nth-child(even){background:#F7FBFA}
.article-body tbody tr{border-top:1px solid var(--line)}
.article-body pre{
  background:var(--ink);color:#DCEFE7;border-radius:var(--r-sm);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.article-body :not(pre) > code{background:var(--brand-soft);color:var(--brand-dark);padding:2px 6px;border-radius:6px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 空状态 */
.empty-state{
  text-align:center;padding:64px 32px;background:var(--card);
  border:1px dashed #CFE6DD;border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:72px;height:72px;margin:0 auto 18px;border-radius:22px;
  background:var(--brand-soft);display:grid;place-items:center;color:var(--brand-dark);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);max-width:460px;margin:0 auto 24px}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);
}
.aside-card h3{font-size:16.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3 em{
  width:6px;height:16px;border-radius:4px;background-image:var(--grad);display:block;font-style:normal;
}
.info-list{display:flex;flex-direction:column;gap:12px}
.info-list li{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list .k{color:var(--muted);flex:0 0 auto}
.info-list .v{color:var(--ink);font-weight:600;text-align:right;word-break:break-all}
.aside-links{display:flex;flex-direction:column;gap:6px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--text);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.aside-links a:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CDE9DF;transform:translateX(2px)}
.aside-links a svg{color:var(--brand);flex:0 0 auto}
.aside-cta{background:var(--ink);color:#DCEFE7;border-color:var(--ink)}
.aside-cta h3{color:#fff}
.aside-cta p{color:#A9C6BC;font-size:14.5px;margin-bottom:16px}
.aside-cta .k{color:#8FB3A8}
.aside-cta .v{color:#fff}
.aside-cta .info-list li{border-bottom-color:rgba(255,255,255,.12)}

/* ============ 标签 ============ */
.tag-block{margin:36px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-block h4{font-size:14.5px;color:var(--muted);font-weight:600;margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--text);
  transition:all .2s var(--ease);
}
.tag-pill:hover{background:var(--brand-soft);border-color:#CDE9DF;color:var(--brand-dark);transform:translateY(-2px)}

/* ============ 推荐卡片 ============ */
.recommend-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark);border-color:#CFE6DD}
.rec-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E6F6EF,#F7FBFA)}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.rec-card:hover .rec-cover img{transform:scale(1.04)}
.rec-cover .badge-float{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;box-shadow:0 6px 16px -10px rgba(13,42,35,.5);
}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.rec-body h3{
  font-size:18px;line-height:1.45;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.rec-card:hover .rec-body h3{color:var(--brand-dark)}
.rec-body p{
  font-size:14.5px;color:var(--muted);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ============ CTA 咨询带 ============ */
.cta-band{
  background:var(--ink);color:#DCEFE7;border-radius:var(--r-lg);
  padding:48px 48px;position:relative;overflow:hidden;
  box-shadow:var(--sh-dark);
}
.cta-band::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.32),rgba(242,180,49,.12) 55%,rgba(13,42,35,0) 72%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px}
.cta-band p{color:#A9C6BC;margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B7CEC5;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .logo-text{color:#fff}
.footer-desc{font-size:14.5px;line-height:1.8;color:#9FBCB2;margin:16px 0 16px;max-width:320px}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:#8FB3A8;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);padding:6px 14px;
}
.footer-col h4{font-size:15px;font-weight:600;color:#E9F4EF;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9FBCB2}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:13.5px;color:#87A79C;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .article-layout{gap:32px}
  .article-card{padding:36px 32px}
  .search-box input{width:170px}
  .nav-link{padding:10px 10px;font-size:15px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .main-nav,.header-tools .search-box,.btn-login{display:none}
  .hamburger{display:inline-flex}
  .header-tools{gap:8px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-aside{position:static}
  .article-card{padding:30px 24px}
  .recommend-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:minmax(0,1fr)}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  .header-inner{height:66px;gap:14px}
  .site-header.is-scrolled .header-inner{height:62px}
  .cta-band{padding:34px 24px}
  .article-hero{padding:16px 0 28px}
  .crumb-bar{padding:16px 0 0}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (max-width:559px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .logo-text{font-size:17px}
  .recommend-grid{grid-template-columns:minmax(0,1fr)}
  .article-card{padding:24px 18px;border-radius:var(--r-md)}
  .article-body{font-size:16.5px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#12A67C;
  --brand-deep:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --text:#33463F;
  --muted:#6B7F78;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --card:#FFFFFF;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-sm:0 6px 18px -10px rgba(13,42,35,.18);
  --shadow-md:0 10px 30px -12px rgba(13,42,35,.18);
  --shadow-lg:0 18px 40px -18px rgba(13,42,35,.35);
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 55%,#F2B431 100%);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
svg{flex:none;}
:focus-visible{outline:3px solid rgba(18,166,124,.28);outline-offset:2px;border-radius:8px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -22px rgba(13,42,35,.55);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:78px;transition:min-height .25s ease;}
.site-header.is-scrolled .header-inner{min-height:66px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 10px 20px -12px rgba(18,166,124,.9);
}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand-deep);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:var(--pill);background:var(--grad);
}

.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--pill);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.16);}
.search-box svg{color:var(--muted);}
.search-box input{
  width:140px;border:0;outline:none;background:transparent;font-size:14px;
}
.search-box input::placeholder{color:#9AAFA8;}

.link-btn{font-size:14px;color:var(--text);padding:9px 8px;border-radius:10px;transition:color .2s ease;}
.link-btn:hover{color:var(--brand-deep);}

.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;color:var(--ink);
}
.menu-toggle:hover{background:var(--brand-soft);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(18,166,124,.85);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(18,166,124,.9);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(0,0,0,.45);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(3px);}

/* ===== 徽章与标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:var(--pill);font-size:13px;font-weight:500;
}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);}
.badge-dark{background:var(--ink);color:#CBEDE0;}
.badge-dark .badge-dot{background:var(--gold);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:var(--pill);padding:7px 15px;
}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;color:var(--brand-deep);background:#fff;border:1px solid var(--line);
}

/* ===== 移动抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,42,35,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);z-index:90;
  background:#fff;padding:24px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
  box-shadow:-24px 0 48px -28px rgba(13,42,35,.5);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--ink);
}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--radius-sm);font-size:15px;color:var(--text);
  border:1px solid transparent;transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:16px;
}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
.drawer-actions{display:grid;gap:12px;}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding:24px 0 0;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#B6C7C1;}
.breadcrumb .current{color:var(--brand-deep);font-weight:600;}

/* ===== 分类首屏 ===== */
.cat-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;
  border-radius:50%;background:var(--brand-soft);opacity:.75;filter:blur(6px);
}
.cat-hero::after{
  content:"";position:absolute;bottom:-120px;left:-120px;width:360px;height:360px;
  border-radius:50%;background:#FDF1E3;opacity:.7;
}
.cat-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:56px 0 84px;
}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:20px 0 20px;
}
.cat-hero .lead{font-size:16px;line-height:1.85;color:var(--text);max-width:44em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}

.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--brand-soft);
}
.float-badge{
  position:absolute;left:-14px;bottom:26px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:14px 18px;box-shadow:var(--shadow-lg);
}
.float-badge .num{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.float-badge .label{font-size:12px;color:var(--muted);line-height:1.4;}

/* ===== 板块通用 ===== */
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
.section-white{background:#fff;}
.section-head{max-width:740px;margin-bottom:46px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;margin:16px 0 14px;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ===== 图标矩阵 2x3 ===== */
.icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.icon-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.icon-card::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:var(--pill);
  background:var(--grad);opacity:0;transition:opacity .3s ease;
}
.icon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE7DD;}
.icon-card:hover::before{opacity:1;}
.icon-card:hover h3{color:var(--brand-deep);}
.icon-wrap{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);margin-bottom:18px;
}
.icon-card h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px;transition:color .25s ease;}
.icon-card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin-bottom:16px;}

/* ===== 左右图文 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--brand-soft);
}
.split-body h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin:16px 0 16px;}
.split-body > p{color:var(--muted);}
.check-list{display:grid;gap:14px;margin:24px 0 28px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;}
.check-list .tick{
  flex:none;width:22px;height:22px;border-radius:50%;margin-top:3px;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);
}
.check-list strong{color:var(--ink);font-weight:600;}

/* ===== 数据带 ===== */
.data-band{background:var(--ink);color:#D5E7E1;border-radius:var(--radius-lg);padding:52px 48px;}
.data-band .band-head{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.data-band h2{color:#fff;font-size:24px;line-height:1.35;}
.data-band .band-head p{color:#9DBBB2;font-size:14px;margin:8px 0 0;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.data-item{border-left:1px solid rgba(255,255,255,.14);padding-left:22px;}
.data-item:first-child{border-left:0;padding-left:0;}
.data-item .num{
  font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.data-item .num small{font-size:14px;font-weight:600;margin-left:4px;}
.data-item .label{font-size:13.5px;color:#9DBBB2;margin-top:8px;line-height:1.6;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:#CFE7DD;}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand-soft);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .2s ease,opacity .2s ease;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:-1px;padding-top:18px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;}

/* ===== 底部 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#E4F1EC;
  border-radius:var(--radius-lg);padding:56px 52px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(18,166,124,.55),rgba(18,166,124,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px;}
.cta-band p{color:#A9C6BD;font-size:15px;margin:0;max-width:38em;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#B9CFC7;padding:68px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#A9C6BD;margin:0 0 18px;}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#8FACA3;
  border:1px solid rgba(255,255,255,.15);border-radius:var(--pill);padding:7px 14px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#B9CFC7;transition:color .2s ease;}
.footer-col a:hover{color:#3FC79A;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FACA3;
}
.footer-bottom a{color:#8FACA3;}
.footer-bottom a:hover{color:#3FC79A;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .cat-hero-grid{gap:40px;}
  .split{gap:40px;}
  .search-box input{width:110px;}
}

@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{min-height:70px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;padding:40px 0 64px;}
  .cat-hero::before{width:360px;height:360px;top:-160px;right:-160px;}
  .cat-hero-media{order:-1;}
  .icon-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split-media{order:-1;}
  .data-band{padding:40px 32px;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .data-item:nth-child(3){border-left:0;padding-left:0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:68px 0;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:46px 0;}
  .icon-grid{grid-template-columns:1fr;}
  .icon-card{padding:24px 22px;}
  .data-band{padding:32px 22px;border-radius:20px;}
  .data-grid{grid-template-columns:1fr 1fr;gap:22px 18px;}
  .data-item{border-left:0;padding-left:0;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a{padding:16px 18px 20px;}
  .cta-band{padding:34px 22px;border-radius:20px;}
  .cta-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-badge{left:12px;bottom:14px;padding:12px 14px;}
  .float-badge .num{font-size:19px;}
}

@media (max-width:559px){
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .badge{height:30px;font-size:12px;padding:0 12px;}
  .cat-hero h1{letter-spacing:-.2px;}
  .data-grid{grid-template-columns:1fr 1fr;gap:18px 14px;}
  .data-item .num small{font-size:12px;}
}

/* roulang page: category2 */
:root{
  --brand:#12A67C;
  --brand-deep:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --text:#33463F;
  --muted:#6B7F78;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 52%,#F2B431 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 10px 30px -12px rgba(13,42,35,.18);
  --sh-2:0 18px 40px -18px rgba(13,42,35,.35);
  --c-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(18,166,124,.28);outline-offset:2px;border-radius:8px}
::selection{background:rgba(18,166,124,.2)}

/* 容器与排版 */
.container{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 32px}
.tabnum{font-variant-numeric:tabular-nums}
.h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink)}
.lead{font-size:17px;line-height:1.8;color:var(--text);max-width:44em}
.muted{color:var(--muted);font-size:14px;line-height:1.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,249,247,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 22px -16px rgba(13,42,35,.4)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s ease}
.site-header.is-stuck .header-inner{height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px -10px rgba(18,166,124,.9);
}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--text);white-space:nowrap;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand-deep);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;min-width:210px;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.16)}
.nav-search svg{flex:0 0 16px;color:var(--muted)}
.nav-search input{
  border:0;outline:none;background:transparent;width:100%;font-size:14px;
}
.nav-search input::placeholder{color:#9BAEA7}
.link-btn{font-size:14px;font-weight:600;color:var(--text);padding:8px 10px;border-radius:999px}
.link-btn:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;place-items:center;color:var(--ink);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:#CFEADF}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,42,35,.42);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:324px;max-width:88vw;background:#fff;
  z-index:100;transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  padding:24px;display:flex;flex-direction:column;gap:18px;box-shadow:-18px 0 40px -24px rgba(13,42,35,.5);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.drawer-close:hover{background:var(--brand-soft)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.drawer-nav a{padding:13px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--text);border:1px solid transparent}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:#CFEADF}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(18,166,124,.95)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(18,166,124,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--brand);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:var(--sh-1)}
.btn-light:hover{transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-deep);
}
.btn-text svg{transition:transform .25s ease}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  font-size:13px;font-weight:500;line-height:1.4;
}
.badge .num{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep)}
.badge-ink{background:var(--ink);color:#D8F0E6}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text)}
.badge-accent{background:rgba(244,115,44,.12);color:#B64E13}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:block;flex:0 0 7px}
.badge-ink .dot{background:var(--gold)}
.badge-accent .dot{background:var(--accent)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:#EFF8F3;padding:34px 0 92px}
.hero::after{
  content:"";position:absolute;right:-140px;top:-200px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.22),rgba(242,180,49,.12) 56%,transparent 74%);
  pointer-events:none;
}
.hero::before{
  content:"";position:absolute;left:-160px;bottom:-220px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.14),transparent 70%);
  pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);position:relative;z-index:2;margin-bottom:26px}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .cur{color:var(--brand-deep);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-copy .h1{margin-bottom:18px}
.hero-sub{font-size:18px;font-weight:600;color:var(--brand-deep);margin-bottom:16px}
.hero-desc{max-width:42em;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);aspect-ratio:4/3;background:var(--brand-soft);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.float-badge{
  position:absolute;left:18px;bottom:18px;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.94);border-radius:16px;padding:12px 16px;box-shadow:var(--sh-1);
  backdrop-filter:blur(6px);
}
.float-badge .num{font-size:20px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.float-badge .txt{font-size:12px;color:var(--muted);line-height:1.4}

/* 区块 */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .h2{margin:16px 0 14px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px}
.section-head-row .section-head{margin-bottom:0}

/* 行业标签行 */
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.tag-chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
  font-size:14px;border:1px solid var(--line);background:#fff;color:var(--text);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag-chip.is-on{background:var(--ink);border-color:var(--ink);color:#E7F4EE;font-weight:600}

/* 瀑布卡片 */
.falls{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;align-items:start}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:#CFEADF}
.sol-card:hover .h3{color:var(--brand-deep)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.sol-card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:26px}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-kicker{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand-deep);background:var(--brand-soft);padding:5px 12px;border-radius:999px}
.card-body .h3{margin-bottom:12px;transition:color .25s ease}
.card-text{font-size:15px;color:var(--text);margin-bottom:18px}
.point-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.point-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text);line-height:1.7}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);opacity:.85;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:18px;border-top:1px dashed var(--line)}

/* 图文区块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--brand-soft)}
.split-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-body .h2{margin-bottom:16px}
.split-body p{margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:9px;background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand-deep);margin-top:3px;
}
.check-list b{display:block;font-size:15.5px;font-weight:600;color:var(--ink)}
.check-list span{font-size:14px;color:var(--muted)}

/* 数据带 */
.data-band{background:var(--ink);color:#E7F4EE;padding:78px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.band-item{padding:0 26px;border-right:1px solid rgba(242,180,49,.26)}
.band-item:first-child{padding-left:0}
.band-item:last-child{border-right:0;padding-right:0}
.band-num{
  font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.15;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:8px;
}
.band-num small{font-size:16px;font-weight:600;margin-left:4px;letter-spacing:0}
.band-label{font-size:14px;color:rgba(231,244,238,.72);line-height:1.6}
.band-foot{margin-top:44px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:28px;border-top:1px solid rgba(231,244,238,.14)}
.band-foot .badge-ink{background:rgba(255,255,255,.08);color:#D8F0E6}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{position:relative;padding-top:70px}
.step-no{
  position:absolute;top:0;left:0;width:52px;height:52px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:grid;place-items:center;font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-line{position:absolute;top:26px;left:64px;right:-14px;height:1px;background:var(--line)}
.step:last-child .step-line{display:none}
.step h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted)}
.step-tag{margin-top:14px;display:inline-flex;padding:6px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:600}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item.is-open{border-color:#CFEADF;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;color:var(--brand-deep)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:2px;padding-top:18px;font-size:15px;color:var(--text);line-height:1.8}

/* 联系与表单 */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 16px;background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.18)}
.field.has-error input,.field.has-error textarea{border-color:var(--accent)}
.field-error{display:none;font-size:13px;color:#C24A12;margin-top:6px}
.field.has-error .field-error{display:block}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-ok{
  display:none;margin-bottom:18px;padding:14px 16px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:600;
}
.form-ok.is-show{display:block}
.info-card{background:var(--ink);color:#E7F4EE;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2)}
.info-card .h3{color:#fff;margin-bottom:8px}
.info-card .info-sub{font-size:14px;color:rgba(231,244,238,.68);margin-bottom:24px}
.info-list{display:flex;flex-direction:column;gap:18px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-ico{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.09);
  display:grid;place-items:center;color:#7CDDB9;
}
.info-list b{display:block;font-size:13px;font-weight:600;color:rgba(231,244,238,.6);margin-bottom:2px}
.info-list a,.info-list span{font-size:15px;color:#E7F4EE}
.info-list a:hover{color:#7CDDB9}
.info-divider{height:1px;background:rgba(231,244,238,.14);margin:26px 0}

/* 页脚 */
.site-footer{background:var(--ink);color:#D8EAE3;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(216,234,227,.72);margin:18px 0 16px;max-width:34em}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#7CDDB9;
  background:rgba(255,255,255,.06);padding:7px 14px;border-radius:999px;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(216,234,227,.72)}
.footer-col a:hover{color:#7CDDB9}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 26px;border-top:1px solid rgba(231,244,238,.13);
  font-size:13px;color:rgba(216,234,227,.6);
}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 24px}
  .main-nav{gap:2px}
  .nav-link{padding:9px 11px;font-size:14.5px}
  .nav-search{min-width:170px}
  .hero-grid{gap:40px}
  .split{gap:40px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .nav-search{display:none}
  .section{padding:76px 0}
  .hero{padding:26px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{aspect-ratio:16/10}
  .falls{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-figure{order:2}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .band-item:nth-child(2){border-right:0;padding-right:0}
  .band-item:nth-child(3){padding-left:0}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .step-line{display:none}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:18px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:62px 0}
  .h1{letter-spacing:-.2px}
  .hero-sub{font-size:17px}
  .hero-cta .btn{flex:1 1 100%}
  .card-body{padding:22px}
  .form-card,.info-card{padding:24px}
  .band-grid{grid-template-columns:1fr;gap:28px}
  .band-item{padding:0;border-right:0;border-bottom:1px solid rgba(242,180,49,.2);padding-bottom:24px}
  .band-item:last-child{border-bottom:0;padding-bottom:0}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:559px){
  .logo-text{font-size:15.5px}
  .logo-mark{width:36px;height:36px;border-radius:12px}
  .btn{width:100%}
  .hero-cta{width:100%}
  .card-foot{flex-direction:column;align-items:flex-start;gap:12px}
  .badge{font-size:12.5px;padding:6px 12px}
  .badge-row{gap:9px}
  .badge .num{font-size:14px}
  .float-badge{padding:10px 13px}
  .float-badge .num{font-size:17px}
  .faq-q{padding:17px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;padding-top:16px}
}

/* roulang page: category3 */
:root{
  --brand:#12A67C;
  --brand-deep:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --text:#33463F;
  --muted:#6B7F78;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --white:#FFFFFF;
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 52%,#F2B431 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px -12px rgba(13,42,35,.18);
  --sh-lg:0 18px 40px -18px rgba(13,42,35,.35);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(18,166,124,.28);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:clamp(19px,1.8vw,22px);line-height:1.4;font-weight:600;}
.lead{font-size:17px;color:var(--muted);line-height:1.85;}
.muted{color:var(--muted);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(13,42,35,.55);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;transition:min-height .3s var(--ease);}
.site-header.is-scrolled .header-inner{min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;box-shadow:0 8px 18px -10px rgba(18,166,124,.9);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-link.is-active{color:var(--brand-deep);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 14px;height:42px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.18);}
.nav-search svg{flex:none;color:var(--muted);}
.nav-search input{
  border:0;outline:0;background:transparent;width:140px;height:100%;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:#9CB0A9;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 26px -16px rgba(18,166,124,.95);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 20px 32px -16px rgba(18,166,124,.9);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand-deep);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--text);padding:8px 10px;border-radius:10px;
}
.btn-text:hover{color:var(--brand-deep);background:var(--brand-soft);}
.btn-text .arrow{transition:transform .22s var(--ease);}
.btn-text:hover .arrow{transform:translateX(3px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,42,35,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:80;width:330px;max-width:88vw;height:100%;
  background:#fff;padding:24px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:-18px 0 48px -24px rgba(13,42,35,.5);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--brand-soft);border-color:var(--brand);}
.drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:0 12px;height:46px;margin-bottom:20px;}
.drawer-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.18);}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;height:100%;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text);}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ============ 页面首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:#fff;padding:56px 0 76px;}
.page-hero::before{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,199,154,.24),rgba(242,180,49,.12) 52%,transparent 72%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;width:300px;height:300px;left:-140px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.16),transparent 70%);
  pointer-events:none;
}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#B9C9C3;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-intro{font-size:17px;line-height:1.85;color:var(--muted);max-width:44em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.4;
}
.badge svg{flex:none;}
.badge strong{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);}
.badge-dark{background:var(--ink);color:#CBEBDF;}
.badge-dark strong{color:#fff;}
.badge-gold{background:#FDF3DE;color:#8A5F06;}
.badge-gold strong{color:#8A5F06;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  background:var(--brand-soft);box-shadow:var(--sh-lg);
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh);min-width:190px;
}
.hero-float .kpi{font-size:26px;font-weight:800;color:var(--brand-deep);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-float .cap{font-size:13px;color:var(--muted);}
.hero-float-top{
  position:absolute;right:18px;top:18px;
  background:rgba(13,42,35,.86);color:#D6F1E7;border-radius:var(--r-pill);
  padding:8px 14px;font-size:13px;display:inline-flex;align-items:center;gap:8px;backdrop-filter:blur(4px);
}

/* ============ 案例大图卡 ============ */
.case-section{padding:92px 0;background:var(--bg);}
.case-section.alt{background:#fff;}
.case-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.case-grid.reverse .case-media{order:2;}
.case-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--brand-soft);box-shadow:var(--sh);
}
.case-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .6s var(--ease);
}
.case-media:hover img{transform:scale(1.04);}
.media-tag{position:absolute;left:20px;top:20px;display:flex;gap:8px;flex-wrap:wrap;}
.media-badge{
  position:absolute;right:20px;bottom:20px;
  background:rgba(255,255,255,.95);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh);min-width:158px;
}
.media-badge .kpi{font-size:22px;font-weight:800;color:var(--brand-deep);line-height:1.2;font-variant-numeric:tabular-nums;}
.media-badge .cap{font-size:12px;color:var(--muted);}
.case-body h3{margin-bottom:12px;}
.case-body .case-sub{font-size:14px;color:var(--muted);margin-bottom:16px;}
.case-points{margin:20px 0 26px;display:flex;flex-direction:column;gap:12px;}
.case-points li{position:relative;padding-left:24px;font-size:15px;line-height:1.7;}
.case-points li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--grad);
}
.metric-inline{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}

/* ============ 数据带 ============ */
.kpi-band{background:var(--ink);color:#DCEFE7;padding:76px 0;}
.kpi-band .section-head{margin-bottom:36px;}
.kpi-band h2{color:#fff;}
.kpi-band .eyebrow{background:rgba(63,199,154,.16);color:#7FE0BC;}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.kpi-cell{padding-right:20px;border-right:1px solid rgba(242,180,49,.35);}
.kpi-cell:last-child{border-right:0;padding-right:0;}
.kpi-cell .kpi{
  font-size:clamp(32px,3.6vw,44px);font-weight:800;line-height:1.15;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.kpi-cell .kpi-unit{font-size:15px;color:#F2B431;margin-left:4px;-webkit-text-fill-color:#F2B431;}
.kpi-cell .cap{font-size:14px;color:#9FBDB3;margin-top:8px;line-height:1.65;}
.badge-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.badge-band{background:rgba(255,255,255,.08);color:#DCEFE7;border:1px solid rgba(255,255,255,.14);}

/* ============ 引言短块 ============ */
.quote-section{padding:72px 0;background:var(--bg);}
.quote-section.alt{background:#fff;}
.quote-card{
  position:relative;max-width:880px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px 40px;box-shadow:var(--sh);
}
.quote-card::before{
  content:"“";position:absolute;left:34px;top:6px;
  font-size:82px;line-height:1;color:var(--brand);opacity:.28;font-family:Georgia,serif;
}
.quote-card.is-soft{background:var(--brand-soft);border-color:transparent;}
.quote-card.is-ink{background:var(--ink);border-color:transparent;color:#D8EDE5;}
.quote-card.is-ink::before{opacity:.4;color:#3FC79A;}
.quote-text{font-size:clamp(18px,1.9vw,21px);line-height:1.72;font-weight:600;color:var(--ink);margin:0 0 20px;position:relative;z-index:1;}
.quote-card.is-ink .quote-text{color:#fff;}
.quote-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted);}
.quote-card.is-ink .quote-meta{color:#9FBDB3;}
.quote-meta .avatar{
  width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}

/* ============ 能力清单 ============ */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.value-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:0 6px 20px -14px rgba(13,42,35,.2);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#CFE7DD;}
.value-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.value-card h3{font-size:19px;margin-bottom:8px;}
.value-card p{font-size:15px;color:var(--muted);line-height:1.75;margin:0;}

/* ============ FAQ ============ */
.faq-section{padding:88px 0;background:#fff;}
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:#CFE7DD;box-shadow:0 10px 26px -20px rgba(13,42,35,.5);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";font-size:20px;color:var(--brand);flex:none;
  transition:transform .22s var(--ease);line-height:1;
}
.faq-item[open] summary::after{content:"×";transform:rotate(0deg);}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-answer{padding:18px 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ CTA / 表单 ============ */
.cta-section{padding:92px 0;background:var(--bg);}
.cta-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh);
}
.form-card h3{margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,166,124,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#9CB0A9;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block;}
.info-card{
  background:var(--ink);color:#D8EDE5;border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-lg);
}
.info-card h3{color:#fff;margin-bottom:16px;}
.info-list{display:flex;flex-direction:column;gap:18px;margin-bottom:26px;}
.info-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:#BBD6CC;}
.info-list .ico{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:rgba(63,199,154,.18);color:#7FE0BC;
  display:inline-flex;align-items:center;justify-content:center;
}
.info-list strong{color:#fff;display:block;font-size:15px;}
.info-card .badge-band{margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A9C4BA;padding:70px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:#9FBDB3;margin-bottom:18px;max-width:32em;}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  color:#7FE0BC;background:rgba(63,199,154,.12);
  padding:7px 14px;border-radius:var(--r-pill);
}
.footer-col h4{font-size:15px;font-weight:600;color:#E4F3EC;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FBDB3;}
.footer-col a:hover{color:#3FC79A;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#87A79C;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .case-grid{gap:40px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .case-section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{order:-1;}
  .hero-float{left:14px;bottom:14px;}
  .case-grid,.case-grid.reverse{grid-template-columns:1fr;gap:30px;}
  .case-grid.reverse .case-media{order:0;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .kpi-cell{border-right:0;padding-right:0;padding-bottom:20px;border-bottom:1px solid rgba(242,180,49,.28);}
  .kpi-cell:nth-child(odd){border-right:1px solid rgba(242,180,49,.28);padding-right:20px;}
  .kpi-cell:nth-child(3),.kpi-cell:nth-child(4){border-bottom:0;padding-bottom:0;}
  .value-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section,.case-section,.faq-section,.cta-section{padding:56px 0;}
  .quote-section{padding:48px 0;}
  .kpi-band{padding:56px 0;}
  .page-hero{padding:36px 0 56px;}
  .header-inner{gap:12px;}
  .logo-text{font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:559px){
  body{font-size:15px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  .hero-actions .btn{width:100%;}
  .badge-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .kpi-grid{grid-template-columns:1fr;}
  .kpi-cell,.kpi-cell:nth-child(odd){border-right:0;padding-right:0;border-bottom:1px solid rgba(242,180,49,.28);}
  .kpi-cell:last-child{border-bottom:0;}
  .value-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .quote-card{padding:32px 24px 28px;}
  .quote-card::before{left:20px;font-size:64px;}
  .form-card,.info-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --brand:#12A67C;
  --brand-dark:#0B7A5B;
  --brand-soft:#E6F6EF;
  --accent:#F4732C;
  --gold:#F2B431;
  --ink:#0D2A23;
  --text:#33463F;
  --muted:#6B7F78;
  --line:#E2EDE8;
  --bg:#F5F9F7;
  --card:#FFFFFF;
  --radius-xl:24px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-sm:0 6px 18px -10px rgba(13,42,35,.16);
  --shadow:0 10px 30px -12px rgba(13,42,35,.18);
  --shadow-lg:0 18px 40px -18px rgba(13,42,35,.35);
  --grad:linear-gradient(118deg,#12A67C 0%,#3FC79A 55%,#F2B431 100%);
  --focus:0 0 0 3px rgba(18,166,124,.28);
  --ease:cubic-bezier(.4,.14,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(18,166,124,.28);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--radius-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h2.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.32;}
h3{font-size:20px;line-height:1.4;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(13,42,35,.45);}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:76px;transition:height .28s var(--ease);
}
.site-header.is-scrolled .header-inner{height:66px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;
  box-shadow:0 8px 18px -10px rgba(18,166,124,.85);
}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 2px;transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;min-width:196px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;color:var(--muted);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:var(--focus);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:#9AAFA7;}
.link-btn{
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 8px;border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);
}
.link-btn:hover{color:var(--brand-dark);background:var(--brand-soft);}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(18,166,124,.85);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(18,166,124,.85);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px -12px rgba(18,166,124,.8);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;filter:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-dark);
}
.text-link svg{transition:transform .24s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 面包屑 & Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:36px 0 92px;}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(18,166,124,.22),rgba(242,180,49,.10) 55%,transparent 72%);
  z-index:0;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:30px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb span[aria-current]{color:var(--text);font-weight:500;}
.breadcrumb .sep{color:#B9CCC4;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:800;
  letter-spacing:-.015em;margin:20px 0 20px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text);max-width:42em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;
}
.hero-meta li{
  display:flex;align-items:baseline;gap:8px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.hero-meta li strong{font-size:16px;font-weight:700;color:var(--brand-dark);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lg);
  background:var(--brand-soft);
}
.float-badge{
  position:absolute;left:-14px;bottom:26px;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--radius-pill);
  background:var(--ink);color:#fff;font-size:13px;
  box-shadow:var(--shadow-lg);
}
.float-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex-shrink:0;}
.float-badge strong{font-size:17px;font-weight:700;color:#8FE3C4;}

/* ============ 支持渠道卡片 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.channel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.channel-card:hover h3{color:var(--brand-dark);}
.channel-card h3{transition:color .3s var(--ease);margin-bottom:10px;}
.channel-card p{font-size:15px;color:var(--muted);line-height:1.8;}
.icon-wrap{
  width:48px;height:48px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);margin-bottom:18px;
}
.channel-foot{
  display:flex;align-items:center;gap:8px;margin-top:18px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.chip.chip-dark{background:var(--ink);color:#8FE3C4;}
.chip.chip-gold{background:rgba(242,180,49,.16);color:#8A6110;}

/* ============ 接入流程步骤 ============ */
.steps-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;}
.steps-aside{position:sticky;top:110px;}
.steps-aside p{margin-top:16px;color:var(--muted);font-size:15px;}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.step-num{
  font-size:26px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step-item h3{font-size:19px;margin-bottom:8px;}
.step-item p{font-size:15px;color:var(--muted);line-height:1.78;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ============ 数据带 ============ */
.metrics-band{
  background:var(--ink);border-radius:32px;
  padding:56px 48px;color:#fff;position:relative;overflow:hidden;
}
.metrics-band::after{
  content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,124,.35),transparent 68%);pointer-events:none;
}
.metrics-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;position:relative;z-index:1;}
.metrics-head h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.metrics-head p{color:#9DB8AF;font-size:15px;margin-top:10px;max-width:560px;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:32px;margin-top:44px;position:relative;z-index:1;
}
.metric{padding-left:20px;border-left:1px solid rgba(242,180,49,.35);}
.metric:first-child{padding-left:20px;}
.metric-value{
  font-size:clamp(30px,3.4vw,40px);font-weight:800;line-height:1.15;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.metric-label{font-size:14px;color:#9DB8AF;margin-top:8px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;position:relative;z-index:1;}
.badge-dark{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:#CFE3DB;font-size:13px;
}
.badge-dark .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-xl);box-shadow:var(--shadow);
  background:var(--brand-soft);
}
.split-body h2{font-size:clamp(23px,2.5vw,30px);margin-bottom:18px;}
.split-body > p{color:var(--muted);font-size:16px;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.point-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:15px;line-height:1.8;}
.point-list svg{color:var(--brand);margin-top:5px;}
.point-list strong{color:var(--ink);}

/* ============ 服务约定表格 ============ */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.support-table{min-width:760px;font-size:15px;}
table.support-table caption{
  caption-side:top;text-align:left;padding:24px 28px 8px;
  font-size:17px;font-weight:700;color:var(--ink);
}
table.support-table th,table.support-table td{
  padding:18px 28px;text-align:left;border:0;
}
table.support-table thead th{
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);letter-spacing:.02em;
  border-bottom:1px solid var(--line);
}
table.support-table tbody tr:nth-child(even){background:#FAFDFB;}
table.support-table tbody tr{border-bottom:1px solid var(--line);}
table.support-table tbody tr:last-child{border-bottom:0;}
table.support-table td:first-child{font-weight:600;color:var(--ink);}
table.support-table td .num{color:var(--accent);font-weight:700;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-sm);}
.faq-item[open]{box-shadow:var(--shadow);border-color:transparent;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:
    linear-gradient(var(--brand-dark),var(--brand-dark)) center/12px 2px no-repeat,
    linear-gradient(var(--brand-dark),var(--brand-dark)) center/2px 12px no-repeat,
    var(--brand-soft);
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{
  background:
    linear-gradient(var(--brand-dark),var(--brand-dark)) center/12px 2px no-repeat,
    var(--brand-soft);
  transform:rotate(180deg);
}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-answer{padding:18px 26px 24px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 转化区 ============ */
.cta-wrap{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;
}
.form-card,.info-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-sm);
}
.form-card h3,.info-card h3{font-size:20px;margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--muted);margin-bottom:24px;}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-row input,.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-md);
  background:#FCFEFD;padding:0 16px;font-size:15px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-row input{height:48px;}
.form-row textarea{padding:13px 16px;resize:vertical;min-height:112px;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:#9AAFA7;}
.form-row input:focus,.form-row textarea:focus{
  outline:0;border-color:var(--brand);background:#fff;box-shadow:var(--focus);
}
.form-row.is-error input,.form-row.is-error textarea{border-color:var(--accent);}
.form-row .err-msg{display:none;font-size:13px;color:var(--accent);margin-top:6px;}
.form-row.is-error .err-msg{display:block;}
.form-tip{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-md);
  background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:500;
}
.form-tip.is-visible{display:block;}
.info-list{display:flex;flex-direction:column;gap:20px;margin-top:22px;}
.info-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;}
.info-list svg{color:var(--brand);margin-top:4px;}
.info-list .k{font-size:13px;color:var(--muted);}
.info-list .v{font-size:15px;font-weight:600;color:var(--ink);word-break:break-all;}
.info-note{
  margin-top:26px;padding:16px 18px;border-radius:var(--radius-md);
  background:var(--brand-soft);font-size:13px;color:var(--brand-dark);line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);padding:72px 0 0;margin-top:88px;color:#CFE3DB;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-desc{font-size:14px;line-height:1.85;color:#9DB8AF;margin:18px 0 16px;max-width:34em;}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);color:#8FE3C4;font-size:13px;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li a{
  display:inline-block;font-size:14px;color:#9DB8AF;line-height:2.15;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#7E9A91;
}

/* ============ 移动端抽屉 ============ */
.nav-drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:min(85vw,342px);height:100%;
  background:#fff;padding:24px 22px 40px;overflow-y:auto;
  transform:translateX(105%);transition:transform .32s var(--ease);
  box-shadow:-24px 0 48px -24px rgba(13,42,35,.5);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.drawer-close:hover{background:var(--brand-soft);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-pill);margin-bottom:20px;color:var(--muted);
}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:16px;font-weight:500;
  color:var(--text);transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(13,42,35,.46);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .search-box{min-width:160px;}
  .main-nav{gap:20px;}
  .hero-grid{gap:44px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .link-btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/10;}
  .split{grid-template-columns:1fr;gap:36px;}
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .steps-aside{position:static;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:68px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .channel-grid{grid-template-columns:1fr;gap:18px;}
  .channel-card,.form-card,.info-card{padding:22px;}
  .metrics-band{padding:40px 24px;border-radius:24px;}
  .metrics-grid{grid-template-columns:1fr;gap:22px;}
  .metric{padding-left:16px;}
  .hero-meta{gap:10px;}
  .hero-meta li{padding:8px 13px;}
  .float-badge{left:8px;bottom:14px;padding:10px 14px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-answer{padding:16px 18px 20px;}
  table.support-table th,table.support-table td{padding:14px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:559px){
  .hero-copy h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .btn{height:46px;}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px;}
  .metric-value{font-size:28px;}
  .hero-meta li{width:100%;}
  .breadcrumb{font-size:12px;}
}