/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --brand-500:#1A66CC;
  --brand-600:#14509E;
  --brand-700:#0F3D7A;
  --brand-100:#E8F0FC;
  --accent:#F2731F;
  --accent-100:#FFF1E6;
  --mint:#12A594;
  --danger:#D9483B;
  --ink:#12212F;
  --ink-2:#5C7286;
  --ink-3:#93A6B8;
  --line:#E2E9F1;
  --line-strong:#BFD5F0;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --dark:#0C2338;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ================= 基础 ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.2px}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.2}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
strong{font-variant-numeric:tabular-nums}

/* ================= 布局 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1320px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head>div{max-width:720px}
.section-sub{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand-600);text-transform:uppercase;margin-bottom:14px}
.eyebrow-light{color:#8FBDF3}
.divider-deco{height:12px;background:linear-gradient(90deg,rgba(26,102,204,.10),rgba(26,102,204,.02));border:0;margin:0}

/* ================= 按钮 / 徽章 / 链接 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 22px -14px rgba(26,102,204,.9)}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(26,102,204,.9)}
.btn-outline{border-color:var(--brand-500);color:var(--brand-600);background:#fff}
.btn-outline:hover,.btn-outline:focus{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-600)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:#DE6415;color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.18);border-color:#fff;color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-600)}
.link-arrow i{transition:transform .18s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.badge-accent{background:var(--accent-100);color:#C25511}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#DCEAFB;font-size:13.5px;font-weight:500;
}

/* ================= 顶部导航 ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:76px;display:flex;align-items:center;
  background:transparent;
  transition:height .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  height:64px;background:#fff;border-bottom-color:var(--line);
  box-shadow:0 10px 24px -20px rgba(12,35,56,.5);
}
.nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:100%}
.nav-group{display:flex;align-items:center;gap:4px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;
  font-size:15px;font-weight:500;color:#fff;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.14);color:#fff}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.16)}
.site-header.is-stuck .nav-link{color:var(--ink)}
.site-header.is-stuck .nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.site-header.is-stuck .nav-link.is-active{color:var(--brand-600);background:var(--brand-100)}
.site-header.is-stuck .brand-text{color:var(--ink)}
.site-header.is-stuck .brand-mark{background:var(--brand-500);color:#fff}
.nav-cta{margin-left:10px}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;padding:4px 6px;border-radius:10px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);color:#fff;flex:0 0 auto;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.brand-mark svg{width:19px;height:19px;fill:currentColor}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:#fff;white-space:nowrap;transition:color .18s var(--ease)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.site-header.is-stuck .nav-toggle{color:var(--ink);background:var(--brand-100);border-color:var(--line)}
.nav-toggle i{font-size:17px}

/* 锚点条 */
.anchor-bar{
  position:fixed;top:64px;left:0;right:0;z-index:90;height:40px;
  background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);
  opacity:0;pointer-events:none;transform:translateY(-6px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.anchor-bar.is-visible{opacity:1;pointer-events:auto;transform:none}
.anchor-inner{display:flex;align-items:center;gap:26px;height:100%;overflow-x:auto}
.anchor-link{font-size:14.5px;font-weight:500;color:var(--ink-2);padding:2px 0;border-bottom:2px solid transparent}
.anchor-link:hover{color:var(--brand-600)}
.anchor-link.is-current{color:var(--brand-600);border-bottom-color:var(--brand-500)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(12,35,56,.5);
  opacity:0;pointer-events:none;transition:opacity .22s var(--ease);
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;left:0;right:0;top:0;background:#fff;
  border-radius:0 0 20px 20px;padding:18px 20px 26px;
  transform:translateY(-100%);transition:transform .26s var(--ease);
  max-height:88vh;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head .brand-text{color:var(--ink);font-size:18px}
.drawer-head .brand-mark{background:var(--brand-500);color:#fff}
.drawer-close{width:40px;height:40px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center}
.drawer-title{margin:18px 0 6px;font-size:12px;font-weight:600;letter-spacing:1.2px;color:var(--ink-3)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;
  padding:0 6px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link i{color:var(--ink-3);font-size:13px}
.drawer-link.is-active{color:var(--brand-600)}
.drawer-cta{margin-top:20px}

/* ================= Hero ================= */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  padding:150px 0 96px;overflow:hidden;background:var(--dark);
}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.6}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(35deg,rgba(12,35,56,.96) 0%,rgba(12,35,56,.82) 42%,rgba(15,61,122,.56) 100%);
}
.hero-dots{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.4;
}
.hero-ring{
  position:absolute;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(143,189,243,.18);right:-120px;top:60px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:6fr 4fr;gap:48px;align-items:center;width:100%}
.hero-copy{color:#fff;max-width:680px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#CFE3FB;font-size:13px;font-weight:500;letter-spacing:.4px;margin-bottom:22px;
}
.hero h1{color:#fff;max-width:16em}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:#C6D9EE;max-width:34em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-side{display:flex;justify-content:flex-end}
.hero-panel{
  width:100%;max-width:360px;background:rgba(255,255,255,.97);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-3);
}
.hero-panel h3{font-size:16px;margin-bottom:6px}
.hero-panel>p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.hero-panel ul{margin-top:16px;display:grid;gap:12px}
.hero-panel li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.65}
.hero-panel li i{color:var(--mint);margin-top:5px;font-size:13px}
.hero-stats{
  position:relative;z-index:2;margin-top:64px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:24px 28px;
}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px;padding:0 12px;border-left:1px solid rgba(255,255,255,.14)}
.hero-stats .stat:first-child{border-left:0;padding-left:0}
.hero-stats strong{font-size:26px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.4px}
.hero-stats span{font-size:12.5px;color:#9FB9D4}

/* ================= 卖点错落区 ================= */
.value-list{display:grid;gap:0}
.value-row{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  padding:40px 0;border-bottom:1px solid var(--line);
}
.value-row:last-child{border-bottom:0}
.value-row.is-rev{grid-template-columns:7fr 5fr}
.value-row.is-rev .value-media{order:2}
.value-row.is-rev .value-text{order:1}
.value-media{position:relative;border-radius:var(--r-md);overflow:hidden;background:#EDF2F8;aspect-ratio:16/9;box-shadow:var(--sh-2)}
.value-media img{width:100%;height:100%;object-fit:cover}
.value-text{position:relative;padding-top:8px}
.value-num{
  position:absolute;top:-16px;right:0;font-size:82px;line-height:1;font-weight:700;
  color:var(--brand-500);opacity:.08;letter-spacing:-4px;pointer-events:none;user-select:none;
}
.value-text h3{position:relative;z-index:1;margin-bottom:12px}
.value-text p{position:relative;z-index:1;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:36em}
.value-text .link-arrow{margin-top:16px}

/* ================= 交付实况（深色区） ================= */
.showcase{position:relative;background:var(--dark);padding:96px 0;overflow:hidden}
.showcase-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.16}
.showcase-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,35,56,.94),rgba(12,35,56,.7))}
.showcase-inner{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.showcase-copy{color:#fff}
.showcase-copy h2{color:#fff;max-width:18em}
.showcase-copy>p{margin-top:18px;color:#B7CCE2;font-size:15.5px;line-height:1.9;max-width:32em}
.step-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.step-chip{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;color:#D5E5F6;
}
.step-chip b{color:#8FBDF3;font-weight:600}
.showcase-card{
  background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);overflow:hidden;
  display:grid;grid-template-columns:1fr;max-width:640px;justify-self:end;width:100%;
}
.showcase-card .shot{aspect-ratio:16/9;background:#EDF2F8;overflow:hidden}
.showcase-card .shot img{width:100%;height:100%;object-fit:cover}
.showcase-card .body{padding:22px 24px 26px}
.showcase-card h3{font-size:17px;margin-bottom:12px}
.bullet-list{display:grid;gap:10px}
.bullet-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.bullet-list li i{color:var(--mint);font-size:12px;margin-top:6px}
.showcase-card .foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line)}

/* ================= 证据区 ================= */
.proof{background:#fff;padding:96px 0 88px}
.proof-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:var(--dark);border-radius:var(--r-md);padding:32px 28px;margin-bottom:56px;
}
.proof-strip .item{padding:0 14px;border-left:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;gap:4px}
.proof-strip .item:first-child{border-left:0;padding-left:0}
.proof-strip strong{font-size:34px;font-weight:700;color:#fff;line-height:1.15;letter-spacing:-1px}
.proof-strip span{font-size:12.5px;color:#9FB9D4;letter-spacing:.3px}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 28px 26px 32px;box-shadow:var(--sh-1);transition:box-shadow .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.quote-card::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500)}
.quote-card:hover{box-shadow:var(--sh-2);border-color:var(--line-strong);transform:translateY(-3px)}
.quote-card blockquote{margin:0;font-size:15.5px;line-height:1.9;color:var(--ink)}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:20px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-100);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.quote-meta .who{font-size:14px;font-weight:600;color:var(--ink)}
.quote-meta .role{font-size:12.5px;color:var(--ink-3)}

/* ================= 服务方案 ================= */
.pricing{background:var(--bg)}
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;align-items:start;max-width:940px;margin:0 auto}
.plan-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 30px 30px;box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.plan-card.is-featured{
  border-color:var(--brand-500);box-shadow:var(--sh-3);
  transform:translateY(-8px);background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFF 100%);
}
.plan-card:hover{box-shadow:var(--sh-3)}
.plan-flag{
  position:absolute;top:-13px;right:26px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;
  display:inline-flex;align-items:center;letter-spacing:.4px;
}
.plan-name{font-size:17px;font-weight:700;color:var(--ink)}
.plan-desc{margin-top:8px;font-size:13.5px;color:var(--ink-2);line-height:1.7;min-height:46px}
.plan-price{margin-top:22px;display:flex;align-items:baseline;gap:8px;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.plan-price b{font-size:30px;font-weight:700;letter-spacing:-.6px;color:var(--ink)}
.plan-price em{font-style:normal;font-size:13px;color:var(--ink-3)}
.plan-list{margin-top:22px;display:grid;gap:12px}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.plan-list li i{color:var(--mint);font-size:12px;margin-top:6px}
.plan-card .btn{margin-top:26px}

/* ================= 最新信息 ================= */
.news{background:#fff}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;min-height:280px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,102,204,.35)}
.news-thumb{display:block;aspect-ratio:16/9;background:#EDF2F8;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:16.5px;line-height:1.55;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand-600)}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.news-meta a{font-weight:600}
.empty-state{
  grid-column:1/-1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#FAFCFF;border:1px dashed var(--line-strong);border-radius:var(--r-md);text-align:center;padding:40px 24px;
}
.empty-state i{font-size:28px;color:var(--ink-3)}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ================= FAQ ================= */
.faq{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-600);font-size:14px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(135deg);background:var(--brand-500);color:#fff}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);background:#F8FBFF;border-radius:0 0 10px 10px;margin:0 10px 10px;padding:16px 18px}

/* ================= 联系表单 ================= */
.contact{background:var(--bg)}
.contact-shell{
  background:linear-gradient(140deg,#EAF2FD 0%,#F4F9FF 60%,#FFFFFF 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:52px 48px;display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:start;
}
.contact-copy h2{max-width:14em}
.contact-copy>p{margin-top:16px;font-size:15.5px;color:var(--ink-2);line-height:1.85;max-width:30em}
.contact-points{margin-top:26px;display:grid;gap:16px}
.contact-points li{display:flex;gap:12px;align-items:flex-start}
.contact-points i{
  width:32px;height:32px;border-radius:9px;background:#fff;color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto;border:1px solid var(--line);
}
.contact-points b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5}
.contact-points span{font-size:13.5px;color:var(--ink-2);line-height:1.65}
.form-card{background:#fff;border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-2);border:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#FBFDFF;font-size:15px;color:var(--ink);width:100%;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235C7286'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);background:#fff;
  box-shadow:0 0 0 3px rgba(26,102,204,.15);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,72,59,.12)}
.field-error{font-size:13px;color:var(--danger);display:none}
.field.has-error .field-error{display:block}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);line-height:1.7}
.form-alert{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-btn);background:#E9F8F5;border:1px solid #BBE7DF;color:#0B7F72;font-size:14px}
.form-alert.is-show{display:block}

/* ================= 浮动 CTA ================= */
.float-desktop{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.float-desktop.is-show{opacity:1;transform:none;pointer-events:auto}
.float-main{
  display:inline-flex;align-items:center;gap:9px;height:52px;padding:0 24px;border-radius:999px;
  background:var(--brand-500);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 18px 34px -18px rgba(26,102,204,.95);
}
.float-main:hover{background:var(--brand-600);color:#fff}
.float-close{
  width:32px;height:32px;border-radius:50%;background:#fff;color:var(--ink-2);
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;box-shadow:var(--sh-1);
}
.float-close:hover{color:var(--ink);border-color:var(--line-strong)}
.float-mobile{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  box-shadow:0 -10px 24px -20px rgba(12,35,56,.5);
  transform:translateY(110%);transition:transform .24s var(--ease);
}
.float-mobile.is-show{transform:translateY(0)}
.float-mobile span{font-size:14px;font-weight:600;color:var(--ink)}

/* ================= 页脚 ================= */
.site-footer{background:var(--dark);color:#B7CCE2;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{justify-self:flex-start;padding:0;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:#93ADCA;max-width:28em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:12.5px;color:#B7CCE2}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.3px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:14px;color:#9FB9D4;line-height:1.6}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:#7E99B8;
}
.footer-bottom a{color:#9FB9D4}
.footer-bottom a:hover{color:#fff}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .container{padding:0 22px}
  .nav-link{padding:0 11px;font-size:14.5px}
  .hero-stats{padding:20px 22px}
}
@media (max-width:1023px){
  .nav-group{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{grid-template-columns:auto 1fr auto}
  .brand{justify-self:center}
  .anchor-bar{display:none}
  .section{padding:76px 0}
  .section-tight{padding:60px 0}
  .hero{padding:130px 0 72px;min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-side{justify-content:flex-start}
  .hero-panel{max-width:520px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 8px;margin-top:48px}
  .hero-stats .stat:nth-child(3){border-left:0;padding-left:0}
  .value-row,.value-row.is-rev{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .value-row.is-rev .value-media{order:0}
  .value-row.is-rev .value-text{order:0}
  .showcase{padding:76px 0}
  .showcase-inner{grid-template-columns:1fr;gap:36px}
  .showcase-card{justify-self:start;max-width:560px}
  .proof{padding:76px 0 68px}
  .proof-strip{grid-template-columns:repeat(2,1fr);gap:22px 8px;margin-bottom:44px}
  .proof-strip .item:nth-child(3){border-left:0;padding-left:0}
  .quote-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:repeat(2,1fr)}
  .contact-shell{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:60px 0}
  .section-tight{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .hero{padding:112px 0 60px}
  .hero-stats{grid-template-columns:1fr 1fr;padding:18px 16px}
  .hero-stats strong{font-size:22px}
  .value-num{font-size:64px}
  .proof-strip{grid-template-columns:1fr 1fr;padding:22px 18px}
  .proof-strip strong{font-size:26px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card.is-featured{transform:none}
  .news-list{grid-template-columns:1fr}
  .contact-shell{padding:28px 20px;border-radius:var(--r-md)}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-desktop{display:none}
  .float-mobile{display:flex}
  .site-footer{padding-top:56px;padding-bottom:64px}
}
@media (max-width:520px){
  h1{font-size:26px}
  h2{font-size:21px}
  .hero-tags{gap:8px}
  .tag-pill{height:30px;padding:0 12px;font-size:12.5px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .proof-strip{grid-template-columns:1fr}
  .proof-strip .item{border-left:0;padding-left:0}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats .stat{border-left:0;padding-left:0}
}

/* roulang page: article */
:root{
  --blue-500:#1A66CC;
  --blue-600:#14509E;
  --blue-700:#0F3D7A;
  --blue-100:#E8F0FC;
  --blue-050:#F2F7FE;
  --orange:#F2731F;
  --orange-100:#FFF1E6;
  --mint:#12A594;
  --red:#D9483B;
  --ink:#12212F;
  --ink-2:#5C7286;
  --ink-3:#93A6B8;
  --line:#E2E9F1;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --dark:#0C2338;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.2px;
  cursor:pointer;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--blue-500);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--blue-600);color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-primary:active{background:var(--blue-700);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--blue-600);border-color:#BFD5F0;}
.btn-ghost:hover{background:var(--blue-100);color:var(--blue-700);border-color:var(--blue-500);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--blue-600);font-size:14px;font-weight:600;
}
.link-arrow i{transition:transform 180ms var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------------- 顶部导航 ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:height 180ms var(--ease),box-shadow 180ms var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px -12px rgba(12,35,56,.28);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  transition:height 180ms var(--ease);
}
.site-header.is-stuck .header-inner{height:64px;}
.header-side{display:flex;align-items:center;gap:4px;min-width:0;}
.header-left{justify-content:flex-start;}
.header-right{justify-content:flex-end;gap:12px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
  transition:border-color 180ms var(--ease),color 180ms var(--ease);
}
.menu-toggle:hover{border-color:var(--blue-500);color:var(--blue-600);}
.nav-group{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:500;
  color:var(--ink-2);
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.nav-link:hover{color:var(--blue-600);background:var(--blue-050);}
.nav-link.is-active{color:var(--blue-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--blue-500);
}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0 10px;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  color:#fff;font-size:16px;
  box-shadow:0 6px 14px -8px rgba(26,102,204,.85);
}
.brand-text{
  font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);
  white-space:nowrap;
}
.nav-cta{min-height:42px;padding:0 20px;font-size:14px;}

/* ---------------- 移动端抽屉 ---------------- */
.mobile-drawer{
  position:fixed;
  inset:0 0 auto 0;
  z-index:80;
  background:#fff;
  border-radius:0 0 20px 20px;
  box-shadow:0 24px 60px -20px rgba(12,35,56,.35);
  transform:translateY(-105%);
  transition:transform 260ms var(--ease);
  max-height:92vh;
  overflow-y:auto;
  padding-bottom:calc(16px + env(safe-area-inset-bottom));
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}
.drawer-body{padding:8px 16px 4px;}
.drawer-group-title{
  font-size:12px;color:var(--ink-3);letter-spacing:1px;
  padding:14px 4px 6px;
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink);
}
.drawer-link:last-child{border-bottom:none;}
.drawer-link.is-active{color:var(--blue-600);font-weight:600;}
.drawer-link i{font-size:12px;color:var(--ink-3);}
.drawer-foot{padding:16px;}

/* ---------------- 面包屑 ---------------- */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.crumb-inner{
  display:flex;align-items:center;
  min-height:44px;
  font-size:14px;color:var(--ink-2);
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
}
.crumb-inner::-webkit-scrollbar{display:none;}
.crumbs{display:flex;align-items:center;gap:8px;}
.crumbs a{color:var(--ink-2);transition:color 180ms var(--ease);}
.crumbs a:hover{color:var(--blue-600);}
.crumb-sep{color:var(--ink-3);}
.crumb-current{color:var(--ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;}

/* ---------------- 文章头部 ---------------- */
.article-head{
  background:#fff;
  padding:44px 0 36px;
  border-bottom:1px solid var(--line);
}
.article-head-inner{max-width:820px;margin:0 auto;}
.article-badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--blue-100);color:var(--blue-700);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.badge-accent{background:var(--orange-100);color:#B24F0D;}
.article-time{font-size:13px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;}
.article-title{
  font-size:clamp(26px,4vw,42px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink);
  word-break:break-word;
}
.article-sub{
  margin-top:16px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
  max-width:720px;
}
.article-subline{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  font-size:13px;color:var(--ink-2);
}
.article-subline span{display:inline-flex;align-items:center;gap:6px;}
.article-subline i{color:var(--blue-500);font-size:12px;}
.dot-sep{width:4px;height:4px;border-radius:50%;background:var(--ink-3);display:inline-block;}

/* ---------------- 文章正文 ---------------- */
.article-main{background:var(--bg);padding:48px 0 8px;}
.article-figure{
  max-width:900px;margin:0 auto 40px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.figure-box{position:relative;width:100%;aspect-ratio:16/9;background:#EEF4FB;}
.figure-box img{width:100%;height:100%;object-fit:cover;}
.article-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--ink-2);
  border-top:1px solid var(--line);background:#fff;
}
.article-body{
  max-width:760px;margin:0 auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 44px 32px;
  box-shadow:var(--sh-1);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;font-size:16.5px;line-height:1.9;color:#1B2E42;}
.article-body h2{
  font-size:clamp(19px,2.2vw,22px);
  line-height:1.45;font-weight:700;color:var(--ink);
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--blue-500);
}
.article-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-body h4{font-size:15.5px;font-weight:600;color:var(--blue-700);margin:22px 0 10px;}
.article-body ul{margin:0 0 22px;padding:0;}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:16px;line-height:1.85;color:#1B2E42;
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:7px;height:7px;border-radius:2px;background:var(--blue-500);
}
.article-body ol{margin:0 0 22px;padding-left:22px;list-style:decimal;}
.article-body ol li{margin-bottom:10px;font-size:16px;line-height:1.85;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--blue-500);
  background:#F1F6FD;border-radius:0 10px 10px 0;
  color:#27425F;font-size:15.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0;height:auto;}
.article-body a{color:var(--blue-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange);}
.article-body strong{font-weight:600;color:var(--ink);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14.5px;border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--blue-100);color:var(--blue-700);font-weight:600;}
.article-body th,.article-body td{
  padding:11px 14px;border:1px solid var(--line);text-align:left;line-height:1.7;
}
.article-body tbody tr:nth-child(even){background:#F8FBFE;}
.table-scroll{overflow-x:auto;margin:24px 0;border-radius:var(--r-md);border:1px solid var(--line);}
.table-scroll table{margin:0;border:none;}

.empty-state{
  text-align:center;padding:56px 20px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;
  border-radius:50%;background:var(--blue-100);color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;font-size:24px;
}
.empty-state h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:22px;}

/* ---------------- 文末区 ---------------- */
.article-foot{
  max-width:760px;margin:0 auto;padding:28px 0 8px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
  transition:border-color 180ms var(--ease),color 180ms var(--ease),background-color 180ms var(--ease);
}
.tag:hover{border-color:#BFD5F0;color:var(--blue-600);background:var(--blue-050);}
.foot-divider{height:1px;background:var(--line);margin:28px 0;}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}
.foot-note{font-size:13.5px;color:var(--ink-2);}

/* ---------------- 结语 CTA ---------------- */
.end-cta{padding:56px 0 88px;}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--dark);
  padding:52px;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:44px;
  align-items:center;
  color:#fff;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.22;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,35,56,.94) 0%,rgba(12,35,56,.78) 52%,rgba(12,35,56,.55) 100%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-copy h2{
  font-size:clamp(21px,2.6vw,29px);line-height:1.35;font-weight:700;color:#fff;
  margin-bottom:14px;
}
.cta-copy p{font-size:15px;line-height:1.85;color:#C6D6E6;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:#E4EEF8;
}
.cta-points i{color:var(--mint);font-size:12px;}
.cta-action{display:flex;flex-direction:column;gap:12px;}
.cta-action .btn-primary{background:var(--orange);}
.cta-action .btn-primary:hover{background:#DA6314;}
.cta-action small{font-size:12.5px;color:#9FB4C8;text-align:center;}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--dark);color:#C6D6E6;padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{padding:0;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BDD0;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#CBDCEB;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;color:#A9BDD0;line-height:1.7;}
.footer-col a{font-size:14px;color:#A9BDD0;transition:color 180ms var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8098AF;
}

/* ---------------- 浮动 CTA / 回到顶部 ---------------- */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:55;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:999px;
  background:var(--blue-500);color:#fff;
  font-size:14px;font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease),background-color 180ms var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--blue-600);color:#fff;}
.float-cta i{font-size:14px;}
.to-top{
  position:fixed;right:28px;bottom:92px;z-index:54;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--blue-600);border-color:#BFD5F0;}

/* ---------------- Foundation 定向覆盖 ---------------- */
.top-bar,.title-bar{background:transparent;color:inherit;}
.accordion{background:transparent;}
.accordion-item{background:transparent;}
.accordion-title{border:none;background:transparent;color:inherit;font-size:15px;padding:0;}
.accordion-content{border:none;background:transparent;padding:0;color:inherit;}

/* ---------------- 响应式 ---------------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .nav-link{padding:0 10px;font-size:14.5px;}
}
@media (max-width:1023px){
  .header-inner{height:70px;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{padding:32px 28px 24px;}
}
@media (max-width:900px){
  .menu-toggle{display:inline-flex;}
  .nav-group{display:none;}
  .nav-cta{display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .header-right{min-width:44px;}
  .brand-text{font-size:17px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .article-head{padding:28px 0 24px;}
  .article-main{padding:28px 0 0;}
  .article-figure{margin-bottom:24px;border-radius:var(--r-md);}
  .article-body{
    padding:24px 18px 16px;border-radius:var(--r-md);
  }
  .article-body p{font-size:16px;line-height:1.88;}
  .article-body h2{margin:30px 0 14px;}
  .article-body .table-scroll{margin:20px 0;}
  .article-foot{padding:22px 0 6px;}
  .foot-actions{flex-direction:column;align-items:stretch;}
  .foot-actions .btn{width:100%;}
  .end-cta{padding:36px 0 72px;}
  .cta-card{padding:30px 20px;border-radius:var(--r-lg);}
  .cta-action .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .float-cta{
    right:0;left:0;bottom:0;height:58px;border-radius:0;
    justify-content:center;width:100%;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta.is-visible{transform:none;}
  .to-top{right:16px;bottom:74px;}
  .crumb-current{max-width:200px;}
}
@media (max-width:519px){
  .article-title{font-size:26px;}
  .brand-mark{width:30px;height:30px;font-size:14px;}
  .brand-text{font-size:16px;}
  .article-subline{gap:6px 10px;font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --blue-500:#1A66CC;
  --blue-600:#14509E;
  --blue-700:#0F3D7A;
  --blue-100:#E8F0FC;
  --orange:#F2731F;
  --orange-100:#FFF1E6;
  --mint:#12A594;
  --red:#D9483B;
  --ink:#12212F;
  --muted:#5C7286;
  --faint:#93A6B8;
  --line:#E2E9F1;
  --bg:#F6F9FC;
  --white:#FFFFFF;
  --dark:#0C2338;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--blue-500)}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:2px}
::selection{background:var(--blue-100);color:var(--blue-700)}

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

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--nav-h);
  background:#fff;
  border-bottom:1px solid transparent;
  transition:height .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.site-header.is-solid{
  height:64px;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 20px -18px rgba(12,35,56,.30);
}
.header-inner{
  display:flex;align-items:center;gap:12px;
  height:100%;position:relative;
}
.nav-group{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:#22384d;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--blue-600);background:var(--blue-100)}
.nav-link.is-active{color:var(--blue-700);background:var(--blue-100)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;white-space:nowrap;
  font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);
  padding:4px 8px;border-radius:var(--r-sm);
}
.brand:hover{color:var(--blue-600)}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  display:grid;place-items:center;
  background:var(--blue-500);color:#fff;font-size:17px;
  box-shadow:var(--sh-1);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-sm);
  place-items:center;font-size:18px;color:var(--ink);
  border:1px solid var(--line);background:#fff;
}
.nav-toggle:hover{background:var(--blue-100);color:var(--blue-600)}
.nav-cta{margin-left:8px;height:40px;padding:0 18px;font-size:14px}

/* drawer */
.drawer{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-3);
  padding:16px 20px 22px;
  transform:translateY(-104%);
  transition:transform .24s var(--ease);
  max-height:88vh;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:10px}
.drawer-title{font-size:13px;font-weight:600;color:var(--faint);letter-spacing:.06em;margin:14px 0 4px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;
  font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--blue-600)}
.drawer-link i{color:var(--faint);font-size:13px}
.drawer-btn{width:100%;margin-top:18px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:grid;place-items:center;font-size:18px;color:var(--muted);
  border:1px solid var(--line);
}
.scrim{
  position:fixed;inset:0;z-index:65;background:rgba(12,35,56,.42);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;
}
.scrim.is-open{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;
  padding:calc(var(--nav-h) + 44px) 0 0;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(26,102,204,.5) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.07;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:60px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(26,102,204,.12);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;padding-bottom:48px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--blue-100);color:var(--blue-700);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-title{
  font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.2px;
  margin:22px 0 18px;max-width:15em;
}
.hero-sub{font-size:16px;color:var(--muted);max-width:36em;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--blue-100);color:var(--blue-700);
  font-size:13px;font-weight:500;
}
.tag-warm{background:var(--orange-100);color:#B44E0C}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative;z-index:1}
.hero-sep{
  height:12px;
  background:
    repeating-linear-gradient(135deg,rgba(26,102,204,.10) 0 2px,transparent 2px 9px),
    var(--blue-100);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--blue-500);color:#fff;box-shadow:0 10px 20px -14px rgba(26,102,204,.8)}
.btn-primary:hover{background:var(--blue-600);color:#fff;box-shadow:0 14px 24px -14px rgba(20,80,158,.7)}
.btn-primary:active{background:var(--blue-700)}
.btn-outline{background:transparent;border-color:var(--blue-500);color:var(--blue-600)}
.btn-outline:hover{background:var(--blue-100);color:var(--blue-700)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#BFD5F0;color:var(--blue-600)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--blue-600);
}
.text-link i{transition:transform .18s var(--ease);font-size:12px}
.text-link:hover i{transform:translateX(4px)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3}
.section-head p{margin-top:12px;color:var(--muted);max-width:44em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--blue-600);letter-spacing:.08em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--orange);border-radius:2px}
h2.rule::before{
  content:"";display:block;width:4px;height:22px;border-radius:2px;
  background:var(--blue-500);margin-bottom:14px;
}
.lead{color:var(--muted);font-size:16px}

/* grid gutter override */
.grid-x.gx{margin-left:-12px;margin-right:-12px}
.grid-x.gx>.cell{padding-left:12px;padding-right:12px}

/* ---------- media ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-lg);background:#EDF3FA;
  box-shadow:var(--sh-1);
}
.media img{width:100%;height:100%;object-fit:cover}
.ratio-43{aspect-ratio:4/3}
.ratio-169{aspect-ratio:16/9}
.ratio-1610{aspect-ratio:16/10}
.ratio-54{aspect-ratio:5/4}

/* ---------- long list rows ---------- */
.list-row{
  padding:40px 0;
  border-top:1px solid var(--line);
}
.list-row:first-child{border-top:0;padding-top:0}
.list-row:last-child{padding-bottom:0}
.row-num{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--orange);margin-bottom:12px;
}
.list-body h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:12px}
.list-body p{color:var(--muted);margin-bottom:16px}
.tick{margin-bottom:20px}
.tick li{
  position:relative;padding-left:20px;margin-bottom:8px;
  font-size:14px;color:var(--ink);
}
.tick li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--blue-500);
}
.tick-mint li::before{background:var(--mint)}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:30px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat strong{
  display:block;font-size:clamp(26px,3.2vw,36px);font-weight:700;line-height:1.15;
  color:var(--blue-700);letter-spacing:-.5px;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
.stat-note{margin-top:22px;color:var(--muted);font-size:15px;max-width:52em}

/* ---------- scene list ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scene{padding-top:20px;border-top:2px solid var(--blue-100);transition:border-color .18s var(--ease)}
.scene:hover{border-color:var(--blue-500)}
.scene i{font-size:20px;color:var(--blue-500);margin-bottom:12px;display:block}
.scene h3{font-size:17px;font-weight:600;margin-bottom:8px}
.scene p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue-500);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.quote:hover{box-shadow:var(--sh-2)}
.quote p{font-size:15px;color:#22384d;line-height:1.9}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;background:var(--blue-100);color:var(--blue-600);font-size:15px;
}
.quote-foot b{display:block;font-size:14px;font-weight:600}
.quote-foot em{font-style:normal;font-size:13px;color:var(--muted)}

/* ---------- list intro cards (light) ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BFD5F0}
.info-card i{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-sm);background:var(--blue-100);color:var(--blue-600);font-size:16px;margin-bottom:16px}
.info-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.info-card p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- wide cta bar ---------- */
.wide-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:#fff;border:1px solid rgba(26,102,204,.28);
  border-radius:var(--r-lg);padding:26px 30px;box-shadow:var(--sh-1);
}
.wide-cta h3{font-size:19px;font-weight:600;margin-bottom:6px}
.wide-cta p{font-size:14px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item[open]{border-color:#BFD5F0;box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFCFF}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--blue-100);color:var(--blue-600);font-size:12px;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--blue-500);color:#fff}
.faq-body{
  margin:0 12px 14px;padding:16px 20px;border-radius:var(--r-sm);
  background:#F2F7FD;font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- cta band + form ---------- */
.cta-band{
  background:var(--blue-100);border-radius:var(--r-xl);
  padding:48px 44px;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;margin-bottom:16px}
.cta-band .lead{color:#3C5A78}
.cta-points{margin-top:24px}
.cta-points li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:#2F4A66}
.cta-points li i{position:absolute;left:0;top:.35em;color:var(--mint);font-size:14px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-2);
}
.field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.input{
  width:100%;height:48px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.input{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.input::placeholder{color:var(--faint)}
.input:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(26,102,204,.15)}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-note.is-error{color:var(--red)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C7D6E4;margin-top:88px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.site-footer .brand{color:#fff;padding:0;font-size:19px}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{background:var(--blue-500)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#9DB2C6;max-width:30em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid rgba(199,214,228,.22);
  font-size:12px;color:#B9CBDB;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:12px;font-size:14px;color:#9DB2C6;line-height:1.7}
.footer-col a{color:#9DB2C6}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(199,214,228,.16);
  padding:20px 0 26px;font-size:13px;color:#8CA3B8;
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--blue-500);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s,background .18s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--blue-600);color:#fff}
.float-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(10px)}
.float-close{
  position:absolute;top:-10px;right:-6px;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;
  background:#fff;color:var(--muted);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.float-close:hover{color:var(--red);border-color:#F3C4BE}
.float-bar{display:none}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  padding:16px 0 0;font-size:13px;color:var(--faint);white-space:nowrap;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue-600)}
.crumb .sep{color:#C3D2DF}
.crumb .cur{color:var(--ink);font-weight:600}

/* ---------- misc ---------- */
.divider{height:1px;background:var(--line);border:0;margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1000px}
  .stat{padding:26px 18px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:36px 28px}
  .stat strong{font-size:28px}
}
@media (max-width:767px){
  :root{--nav-h:64px}
  .container{padding:0 16px}
  .nav-group{display:none}
  .nav-toggle{display:grid}
  .header-inner{justify-content:space-between}
  .brand{position:absolute;left:50%;transform:translateX(-50%);font-size:17px;padding:0}
  .brand-mark{width:32px;height:32px;font-size:15px}
  .page-hero{padding-top:calc(var(--nav-h) + 28px)}
  .hero-inner{padding-bottom:32px}
  .hero-title{max-width:none}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .list-row{padding:32px 0}
  .hero-media{margin-top:12px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat{border-top:1px solid var(--line);padding:22px 16px}
  .stat:first-child,.stat:nth-child(2){border-top:0}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(odd){border-left:0}
  .scene-grid{grid-template-columns:1fr;gap:20px}
  .quote-grid{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .wide-cta{flex-direction:column;align-items:flex-start;padding:22px}
  .wide-cta .btn{width:100%}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg)}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{display:none}
  .float-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:55;
    align-items:center;justify-content:space-between;gap:12px;
    height:56px;padding:0 14px calc(0px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -8px 20px -18px rgba(12,35,56,.35);
    transition:transform .22s var(--ease),opacity .22s var(--ease);
  }
  .float-bar span{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .float-bar .btn{height:40px;padding:0 16px;font-size:14px;flex:0 0 auto}
  .float-bar.is-hidden{transform:translateY(100%);opacity:0}
  .site-footer{margin-top:56px;padding-bottom:56px}
  .faq-item summary{padding:16px;font-size:15px}
  .brand-text{white-space:nowrap}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-left:0!important}
  .stat:first-child{border-top:0}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand-500:#1A66CC;
  --brand-600:#14509E;
  --brand-700:#0F3D7A;
  --brand-100:#E8F0FC;
  --accent:#F2731F;
  --accent-100:#FFF1E6;
  --mint:#12A594;
  --danger:#D9483B;
  --ink:#12212F;
  --muted:#5C7286;
  --faint:#93A6B8;
  --line:#E2E9F1;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --dark:#0C2338;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器与通用排版 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--brand-600);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.20;font-weight:700;letter-spacing:-.2px;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.30;font-weight:700;}
h3{font-size:19px;line-height:1.4;font-weight:600;}
.lead{font-size:16px;color:var(--muted);line-height:1.85;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{margin-top:14px;color:var(--muted);line-height:1.85;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-600);box-shadow:0 12px 26px -14px rgba(26,102,204,.65);}
.btn-primary:active{background:var(--brand-700);}
.btn-outline{border-color:var(--brand-500);color:var(--brand-600);background:transparent;}
.btn-outline:hover{background:var(--brand-100);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.text-link i{transition:transform .18s var(--ease);font-size:12px;}
.text-link:hover i{transform:translateX(4px);}
.text-link:hover{color:var(--brand-700);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  transition:background .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-stuck{
  background:#fff;
  box-shadow:0 1px 0 var(--line),0 10px 28px -22px rgba(12,35,56,.5);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:76px;transition:height .18s var(--ease);
}
.site-header.is-stuck .header-inner{height:64px;}
.nav-group{display:flex;align-items:center;gap:4px;}
.nav-left{flex:1;justify-content:flex-start;}
.nav-right{flex:1;justify-content:flex-end;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-100);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;
  height:2px;border-radius:2px;background:var(--brand-500);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-500);color:#fff;
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
  box-shadow:0 8px 18px -10px rgba(26,102,204,.8);
}
.brand-text{line-height:1;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:var(--brand-600);background:var(--brand-100);place-items:center;
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;top:0;left:0;right:0;z-index:130;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 30px 60px -30px rgba(12,35,56,.45);
  transform:translateY(-102%);
  transition:transform .22s var(--ease);
  padding:74px 0 20px;max-height:100vh;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-inner{padding:0 20px;}
.drawer-label{font-size:12px;color:var(--faint);letter-spacing:.6px;margin:14px 0 6px;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink);border-radius:8px;
}
.drawer a.drawer-link:hover{background:var(--brand-100);color:var(--brand-600);}
.drawer a.drawer-link.is-active{color:var(--brand-600);font-weight:600;}
.drawer-cta{width:100%;margin-top:18px;}
.drawer-close{
  position:absolute;top:14px;right:16px;width:44px;height:44px;
  border-radius:10px;background:var(--brand-100);color:var(--brand-600);
  display:grid;place-items:center;
}

/* ============ 页头 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:130px 0 60px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F3F8FE 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(26,102,204,.06) 0 1px,transparent 1px 14px);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-170px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(26,102,204,.12);pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:end;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  font-size:14px;color:var(--muted);margin-bottom:18px;white-space:nowrap;
}
.crumb a:hover{color:var(--brand-600);}
.crumb span.sep{color:var(--faint);}
.crumb .current{color:var(--ink);font-weight:600;}
.hero-grid h1{margin-bottom:16px;}
.hero-grid .lead{max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--brand-700);background:var(--brand-100);
}
.pill--accent{background:var(--accent-100);color:#B34E0C;}
.hero-anchors{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
}
.hero-anchors a{
  display:flex;align-items:center;gap:9px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.hero-anchors a i{color:var(--brand-500);font-size:12px;}
.hero-anchors a:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(26,102,204,.2);}
.hero-stripe{
  height:12px;background:var(--brand-100);
  background-image:repeating-linear-gradient(135deg,rgba(26,102,204,.12) 0 2px,transparent 2px 10px);
}

/* ============ 卡片墙 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.svc-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.svc-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(26,102,204,.35);
}
.svc-media{position:relative;aspect-ratio:4/3;background:#EAEFF5;overflow:hidden;}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.svc-card:hover .svc-media img{transform:scale(1.03);}
.svc-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--brand-700);
  background:rgba(232,240,252,.94);
  border:1px solid rgba(26,102,204,.16);
}
.svc-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.svc-body p{
  color:var(--muted);font-size:15px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.svc-body .text-link{margin-top:auto;}

/* ============ 交付标准 ============ */
.std-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.std-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.std-item:hover{border-color:rgba(26,102,204,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.std-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:12px;
  display:grid;place-items:center;font-size:18px;
  background:var(--brand-100);color:var(--brand-600);
}
.std-item h3{margin-bottom:8px;}
.std-item p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ 数据条 ============ */
.facts{
  background:var(--dark);border-radius:var(--r-lg);
  padding:44px 24px;color:#fff;
}
.facts-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center;}
.fact-num{
  font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
}
.fact-num em{font-style:normal;color:var(--accent);font-size:.6em;margin-left:4px;}
.fact-label{font-size:13px;color:#93A6B8;margin-top:10px;line-height:1.6;}
.facts-note{margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#B7C7D8;text-align:center;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item:hover{border-color:rgba(26,102,204,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  background:var(--brand-100);color:var(--brand-600);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff;}
.faq-item[open] summary{color:var(--brand-700);}
.faq-answer{
  padding:0 20px 20px;margin:0 0 0 0;
  font-size:15px;color:var(--muted);line-height:1.85;
  background:linear-gradient(180deg,rgba(232,240,252,.65),rgba(232,240,252,.2));
  border-radius:0 0 10px 10px;
  padding-top:16px;
}

/* ============ CTA + 表单 ============ */
.cta-panel{
  background:var(--brand-100);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:44px;align-items:start;
}
.cta-copy h2{margin-bottom:14px;}
.cta-copy > p{color:var(--muted);line-height:1.85;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--ink);line-height:1.7;}
.cta-points i{color:var(--mint);margin-top:5px;font-size:14px;}
.cta-form{
  background:#fff;border:1px solid rgba(26,102,204,.16);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:#FBFDFF;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{height:100px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(26,102,204,.15);
}
.form-submit{width:100%;margin-top:6px;}
.form-hint{font-size:13px;color:var(--faint);margin-top:12px;line-height:1.7;}
.form-msg{display:none;font-size:13px;color:var(--mint);margin-top:12px;}
.form-msg.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C6D4E2;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2fr) minmax(0,3fr);gap:40px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-500);}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB3C7;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);color:#B7C7D8;border:1px solid rgba(255,255,255,.1);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;color:#9FB3C7;line-height:1.7;}
.footer-col a{font-size:14px;color:#9FB3C7;transition:color .18s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8199B0;
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:999px;
  background:var(--brand-500);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 18px 36px -16px rgba(26,102,204,.85);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--brand-600);}
.float-cta-close{
  position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;
  background:#fff;color:var(--muted);border:1px solid var(--line);
  display:grid;place-items:center;font-size:11px;box-shadow:var(--sh-1);
}
.float-cta-close:hover{color:var(--danger);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1100px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .section{padding:80px 0;}
  .section--tight{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .page-hero{padding:120px 0 52px;}
  .facts-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:32px;}
  .nav-link{padding:8px 9px;font-size:14px;}
}
@media (max-width:900px){
  .card-grid{grid-template-columns:1fr;}
  .std-grid{grid-template-columns:1fr;}
  .hero-anchors{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:grid;}
  .brand{position:absolute;left:50%;transform:translateX(-50%);font-size:17px;}
  .header-inner{height:64px;}
  .site-header.is-stuck .header-inner{height:60px;}
  .page-hero{padding:104px 0 44px;}
  .page-hero::after{display:none;}
  .hero-anchors{grid-template-columns:1fr;}
  .facts{padding:32px 18px;border-radius:var(--r-md);}
  .facts-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .cta-panel{padding:26px 20px;border-radius:var(--r-md);}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding-top:56px;margin-top:64px;}
  .svc-card:hover,.std-item:hover{transform:none;}
  .svc-card:active,.std-item:active{background:#F4F8FD;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:56px;border-radius:0;
    justify-content:space-between;padding:0 16px 0 18px;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -10px 30px -18px rgba(12,35,56,.6);
    font-size:14px;
  }
  .float-cta-close{top:-14px;right:10px;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  .hero-tags{gap:8px;}
  .pill{font-size:12px;padding:6px 12px;}
  .svc-body{padding:18px 18px 20px;}
  .std-item{padding:18px;}
  .facts-grid{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A66CC;
  --c-primary-600:#14509E;
  --c-primary-700:#0F3D7A;
  --c-primary-100:#E8F0FC;
  --c-accent:#F2731F;
  --c-accent-100:#FFF1E6;
  --c-mint:#12A594;
  --c-danger:#D9483B;
  --c-text:#12212F;
  --c-text-2:#5C7286;
  --c-text-3:#93A6B8;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-dark:#0C2338;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--c-primary-600);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:40px;}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.2px;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:12px;color:var(--c-text-2);font-size:15px;max-width:760px;line-height:1.85;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background-color 180ms cubic-bezier(.2,.7,.3,1),color 180ms cubic-bezier(.2,.7,.3,1),border-color 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1),transform 180ms cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-3);}
.btn-primary:active{background:var(--c-primary-700);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:#BFD5F0;}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary-600);border-color:var(--c-primary);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#dd6415;color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow i{transition:transform 180ms cubic-bezier(.2,.7,.3,1);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.4;
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.pill-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.32);}
.pill-accent{background:var(--c-accent-100);color:#B85313;}
.pill-mint{background:rgba(18,165,148,.12);color:#0B7A6D;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:76px;
  background:transparent;
  transition:height 180ms cubic-bezier(.2,.7,.3,1),background-color 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-stuck{
  height:64px;
  background:#fff;
  box-shadow:0 1px 0 var(--c-line),0 10px 24px -20px rgba(12,35,56,.55);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;height:100%;
  padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:4px;flex:1 1 0;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  display:inline-flex;align-items:center;height:44px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:rgba(255,255,255,.9);white-space:nowrap;
  transition:color 180ms cubic-bezier(.2,.7,.3,1),background-color 180ms cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.14);}
.site-header.is-stuck .nav-link{color:var(--c-text-2);}
.site-header.is-stuck .nav-link:hover{color:var(--c-primary);background:var(--c-primary-100);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:currentColor;
}
.nav-link{position:relative;}
.site-header.is-stuck .nav-link.is-active{color:var(--c-primary);}
.nav-more{position:relative;}
.nav-more-panel{
  position:absolute;top:calc(100% + 10px);right:0;min-width:230px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-3);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity 180ms cubic-bezier(.2,.7,.3,1),transform 180ms cubic-bezier(.2,.7,.3,1),visibility 180ms;
}
.nav-more:hover .nav-more-panel,.nav-more:focus-within .nav-more-panel{opacity:1;visibility:visible;transform:translateY(0);}
.nav-more-panel a{
  display:flex;align-items:center;height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text-2);font-weight:500;
}
.nav-more-panel a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-700));color:#fff;font-size:17px;
  box-shadow:0 8px 18px -10px rgba(26,102,204,.85);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:#fff;transition:color 180ms;}
.site-header.is-stuck .brand-text{color:var(--c-text);}
.nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:var(--r-sm);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 22px -14px rgba(26,102,204,.9);
}
.nav-cta:hover{background:var(--c-primary-600);color:#fff;}

.mobile-bar{display:none;}

/* 抽屉 */
.drawer{
  position:fixed;left:0;right:0;top:0;z-index:120;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  transform:translateY(-104%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  max-height:100vh;overflow-y:auto;padding-bottom:12px;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border:0;background:transparent;color:var(--c-text-2);font-size:20px;border-radius:var(--r-sm);cursor:pointer;}
.drawer-close:hover{background:var(--c-bg);color:var(--c-text);}
.drawer-group{padding:12px 12px 4px;}
.drawer-group h4{font-size:12px;font-weight:600;color:var(--c-text-3);letter-spacing:.6px;padding:0 8px 8px;}
.drawer-group a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 12px;border-bottom:1px solid var(--c-line);
  font-size:15px;font-weight:500;color:var(--c-text);
}
.drawer-group a:hover,.drawer-group a.is-active{color:var(--c-primary);background:var(--c-primary-100);border-radius:var(--r-sm);}
.drawer-foot{padding:16px 20px 20px;}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:150px 0 88px;
  background:var(--c-dark);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,26,44,.94) 0%,rgba(12,35,56,.82) 45%,rgba(15,61,122,.62) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:28px;white-space:nowrap;
  scrollbar-width:none;
}
.breadcrumb::-webkit-scrollbar{display:none;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{color:rgba(255,255,255,.38);}
.breadcrumb .current{color:#fff;font-weight:500;}
.hero-row{align-items:flex-start;}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.2;font-weight:700;letter-spacing:-.2px;
  margin:18px 0 18px;
}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tags{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.9);
}
.hero-panel{
  background:rgba(8,26,44,.66);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:26px 24px;
}
.hero-panel h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.4px;}
.hero-panel ul{list-style:none;display:grid;gap:14px;}
.hero-panel li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.7;}
.hero-panel i{color:#8FC0F5;margin-top:4px;font-size:14px;}

/* 装饰分割条 */
.deco-bar{height:12px;background:linear-gradient(90deg,var(--c-primary-100),rgba(232,240,252,.25));}

/* ---------- 栅格兜底（Foundation 栅格外层覆盖） ---------- */
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;}
@media (min-width:640px){
  .grid-x>.medium-6{width:50%;}
  .grid-x>.medium-4{width:33.3333%;}
  .grid-x>.medium-8{width:66.6667%;}
}
@media (min-width:1024px){
  .grid-x>.large-3{width:25%;}
  .grid-x>.large-4{width:33.3333%;}
  .grid-x>.large-5{width:41.6667%;}
  .grid-x>.large-6{width:50%;}
  .grid-x>.large-7{width:58.3333%;}
  .grid-x>.large-8{width:66.6667%;}
}
@media (min-width:1024px){
  .grid-x>.large-offset-1{margin-left:8.3333%;}
}

/* ---------- 服务范围卡片 ---------- */
.cards-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.svc-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1),border-color 180ms cubic-bezier(.2,.7,.3,1);
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#BFD5F0;}
.svc-media{position:relative;width:100%;aspect-ratio:4/3;background:#EDF3FA;overflow:hidden;}
.svc-media img{width:100%;height:100%;object-fit:cover;}
.svc-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.svc-body h3{font-size:18px;font-weight:600;line-height:1.4;}
.svc-body p{font-size:14px;line-height:1.8;color:var(--c-text-2);flex:1;}
.svc-body .link-arrow{margin-top:2px;}

/* ---------- 规模适配 ---------- */
.scale-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.scale-grid{display:grid;gap:0;grid-template-columns:repeat(3,1fr);}
.scale-col{padding:8px 32px;border-left:1px solid var(--c-line);}
.scale-col:first-child{border-left:0;padding-left:0;}
.scale-col:last-child{padding-right:0;}
.scale-col h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.scale-col .scale-meta{font-size:13px;color:var(--c-primary);font-weight:600;margin-bottom:14px;}
.scale-col ul{list-style:none;display:grid;gap:10px;}
.scale-col li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);}
.scale-col li i{color:var(--c-mint);margin-top:5px;font-size:12px;}

/* ---------- 流程轴 ---------- */
.timeline{list-style:none;margin:0;padding:0;max-width:940px;}
.timeline-item{position:relative;display:flex;gap:28px;padding-bottom:40px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-axis{position:relative;flex:0 0 64px;display:flex;justify-content:center;}
.timeline-axis::before{
  content:"";position:absolute;left:50%;margin-left:-1px;top:0;bottom:-40px;width:2px;background:var(--c-line);
}
.timeline-item:first-child .timeline-axis::before{top:46px;}
.timeline-item:last-child .timeline-axis::before{bottom:auto;height:46px;}
.timeline-dot{
  position:relative;z-index:1;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(26,102,204,.95);
}
.timeline-item.is-current .timeline-dot{box-shadow:0 0 0 6px rgba(26,102,204,.16);}
.timeline-body{
  flex:1;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 26px;transition:border-color 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1);
}
.timeline-body:hover{border-color:#BFD5F0;box-shadow:var(--sh-2);}
.timeline-body h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.timeline-body p{font-size:15px;line-height:1.85;color:var(--c-text-2);}
.timeline-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.timeline-meta span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.timeline-meta span.is-time{background:var(--c-accent-100);color:#B85313;}

/* ---------- 数据条 ---------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.stat{padding:34px 24px;text-align:center;border-left:1px solid var(--c-line);}
.stat:first-child{border-left:0;}
.stat strong{display:block;font-size:clamp(26px,3.6vw,38px);font-weight:700;color:var(--c-primary-700);line-height:1.2;letter-spacing:-.5px;}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1);
}
.faq-item[open]{border-color:#BFD5F0;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;color:var(--c-text);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{top:7px;left:0;width:16px;height:2px;}
.faq-icon::after{top:0;left:7px;width:2px;height:16px;transition:transform 180ms cubic-bezier(.2,.7,.3,1);}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-answer{padding:0 20px 20px;background:#F4F8FE;}
.faq-answer p{font-size:15px;line-height:1.85;color:var(--c-text-2);padding-top:16px;border-top:1px solid var(--c-line);}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  background:linear-gradient(160deg,#EAF2FD 0%,#F8FBFF 100%);
  border:1px solid #D8E6FA;border-radius:var(--r-xl);
  padding:52px 48px;
}
.cta-panel h2{font-size:clamp(22px,3vw,30px);line-height:1.32;font-weight:700;margin-bottom:16px;}
.cta-panel .cta-desc{font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:520px;}
.cta-points{list-style:none;display:grid;gap:14px;margin-top:26px;}
.cta-points li{display:flex;gap:12px;font-size:14.5px;line-height:1.7;color:var(--c-text);}
.cta-points i{color:var(--c-mint);margin-top:5px;font-size:14px;}
.lead-form{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-2);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--c-text-2);}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;background:#fff;color:var(--c-text);width:100%;
  transition:border-color 180ms cubic-bezier(.2,.7,.3,1),box-shadow 180ms cubic-bezier(.2,.7,.3,1);
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,102,204,.15);
}
.field .err{font-size:13px;color:var(--c-danger);display:none;}
.field.has-error input,.field.has-error select{border-color:var(--c-danger);}
.field.has-error .err{display:block;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--c-text-3);line-height:1.7;}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(18,165,148,.1);color:#0B7A6D;font-size:14px;border:1px solid rgba(18,165,148,.28);
}
.form-ok.is-show{display:block;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 20px 0 18px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 18px 34px -16px rgba(26,102,204,.95);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 200ms cubic-bezier(.2,.7,.3,1),transform 200ms cubic-bezier(.2,.7,.3,1),visibility 200ms,background-color 180ms;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-primary-600);color:#fff;}
.float-cta .fc-close{
  position:absolute;top:-10px;right:-8px;width:32px;height:32px;border-radius:50%;
  background:#fff;color:var(--c-text-2);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;box-shadow:var(--sh-1);
}
.float-cta .fc-close:hover{color:var(--c-text);background:var(--c-bg);}
.float-cta.is-closed{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{list-style:none;display:grid;gap:12px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1000px;}
  .cards-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .section{padding:80px 0;}
  .section-tight{padding:64px 0;}
  .nav-link{padding:0 10px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .scale-grid{grid-template-columns:1fr;}
  .scale-col{border-left:0;padding:22px 0;border-top:1px solid var(--c-line);}
  .scale-col:first-child{border-top:0;padding-top:0;}
  .cta-panel{padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-wrap{padding:0 16px;}
  .nav-group{display:none;}
  .nav-cta{display:none;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    width:100%;height:100%;gap:12px;
  }
  .mobile-bar .brand-text{font-size:17px;}
  .mobile-actions{display:flex;align-items:center;gap:8px;}
  .icon-btn{
    width:44px;height:44px;border-radius:var(--r-sm);border:0;background:transparent;
    color:#fff;font-size:18px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .icon-btn:hover{background:rgba(255,255,255,.14);}
  .site-header.is-stuck .icon-btn{color:var(--c-text);}
  .site-header.is-stuck .icon-btn:hover{background:var(--c-bg);}
  .site-header.is-stuck .brand-text{color:var(--c-text);}

  .page-hero{padding:118px 0 64px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{margin-top:28px;padding:22px 20px;}

  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head{margin-bottom:28px;}

  .cards-4{grid-template-columns:1fr;gap:18px;}
  .svc-card:hover{transform:none;box-shadow:var(--sh-1);}

  .timeline-item{gap:16px;}
  .timeline-axis{flex:0 0 44px;}
  .timeline-dot{width:40px;height:40px;font-size:13px;}
  .timeline-item:first-child .timeline-axis::before{top:40px;}
  .timeline-item:last-child .timeline-axis::before{height:40px;}
  .timeline-body{padding:20px 18px;}

  .stats-strip{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--c-line);padding:24px 20px;}
  .stat:first-child{border-top:0;}

  .cta-panel{padding:30px 20px;border-radius:var(--r-lg);}
  .lead-form{padding:20px;}
  .form-grid{grid-template-columns:1fr;}

  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:52px;padding-bottom:76px;}
  .footer-bottom{flex-direction:column;gap:8px;}

  .float-cta{
    left:12px;right:12px;bottom:0;width:auto;height:56px;border-radius:0;
    justify-content:space-between;padding:0 16px calc(0px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .fc-close{display:none;}
}
@media (max-width:520px){
  .hero-tags span{font-size:12px;}
  .timeline-dot{width:36px;height:36px;}
  .timeline-axis{flex:0 0 38px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1A66CC;
  --c-primary-600:#14509E;
  --c-primary-700:#0F3D7A;
  --c-primary-100:#E8F0FC;
  --c-accent:#F2731F;
  --c-accent-100:#FFF1E6;
  --c-mint:#12A594;
  --c-danger:#D9483B;
  --c-ink:#12212F;
  --c-ink-2:#5C7286;
  --c-ink-3:#93A6B8;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-dark:#0C2338;
  --r-btn:10px;
  --r-sm:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,35,56,.06);
  --sh-2:0 12px 28px -14px rgba(12,35,56,.18);
  --sh-3:0 20px 40px -18px rgba(12,35,56,.24);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-primary-600);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-600);border-color:var(--c-primary-600);color:#fff;}
.btn-outline{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary-700);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-line);}
.btn-ghost:hover{background:var(--c-primary-100);border-color:#BFD5F0;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow i{transition:transform var(--t);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:76px;background:transparent;border-bottom:1px solid transparent;
  transition:height var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{height:64px;background:#fff;border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px;}
.nav-group{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--c-ink);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--c-ink);line-height:1;}
.nav-drop{position:relative;}
.nav-drop-toggle{border:0;padding:6px 0;font-weight:500;}
.nav-drop-panel{
  position:absolute;top:calc(100% + 12px);right:0;min-width:210px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-2);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-drop:hover .nav-drop-panel,.nav-drop.is-open .nav-drop-panel{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drop-panel a{
  display:flex;align-items:center;height:44px;padding:0 14px;border-radius:8px;
  font-size:14px;color:var(--c-ink);font-weight:500;
}
.nav-drop-panel a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-nav{height:40px;padding:0 20px;border-radius:var(--r-btn);font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);color:var(--c-ink);
  align-items:center;justify-content:center;font-size:18px;
}
.nav-toggle:hover{background:var(--c-primary-100);color:var(--c-primary);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,35,56,.45);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:118;
}
.drawer{
  position:fixed;left:0;right:0;top:0;z-index:120;background:#fff;
  border-radius:0 0 18px 18px;box-shadow:var(--sh-3);
  transform:translateY(-102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  max-height:92vh;overflow-y:auto;padding-bottom:16px;
}
body.drawer-open .drawer{transform:translateY(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-ink-2);}
.drawer-close:hover{background:var(--c-primary-100);color:var(--c-primary);}
.drawer-group-title{font-size:12px;color:var(--c-ink-3);letter-spacing:1px;padding:18px 20px 6px;}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 20px;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-ink);font-weight:500;
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{background:var(--c-primary-100);color:var(--c-primary);}
.drawer-foot{padding:18px 20px 8px;}
.drawer-foot .btn{width:100%;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;padding-top:132px;
  background-color:var(--c-bg);
  background-image:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(246,249,252,.97) 60%,#F6F9FC 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(26,102,204,.12);pointer-events:none;
}
.page-head-inner{position:relative;z-index:2;padding-bottom:56px;}
.crumbs{font-size:14px;color:var(--c-ink-2);margin-bottom:20px;display:flex;gap:8px;align-items:center;white-space:nowrap;overflow-x:auto;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--c-ink-3);}
.crumbs .current{color:var(--c-ink);font-weight:500;}
.page-head h1{
  font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.2px;color:var(--c-ink);
}
.page-head-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:640px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary-700);font-size:13px;font-weight:500;
}
.head-strip{
  height:12px;background:var(--c-primary-100);
  background-image:repeating-linear-gradient(135deg,rgba(26,102,204,.10) 0 6px,transparent 6px 14px);
}
.anchor-mini{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:14px;
}
.anchor-mini-title{font-size:12px;letter-spacing:1px;color:var(--c-ink-3);padding:0 12px 8px;}
.anchor-mini a{
  display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 12px;
  border-radius:8px;font-size:14px;font-weight:500;color:var(--c-ink);
}
.anchor-mini a i{color:var(--c-ink-3);font-size:12px;transition:transform var(--t),color var(--t);}
.anchor-mini a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.anchor-mini a:hover i{color:var(--c-primary);transform:translateX(3px);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-primary);}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--c-ink);}
.section-head p{margin-top:14px;font-size:15px;color:var(--c-ink-2);line-height:1.9;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  background:transparent;
}
.stat-item{padding:28px 24px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:32px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.5px;}
.stat-label{margin-top:8px;font-size:13px;color:var(--c-ink-2);}

/* ---------- 分组切换条 ---------- */
.pill-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;
  position:sticky;top:64px;z-index:20;
  background:rgba(246,249,252,.94);padding:12px 0;border-bottom:1px solid transparent;
}
.pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;font-weight:500;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.pill:hover{border-color:#BFD5F0;color:var(--c-primary);}
.pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}

/* ---------- 分组清单 ---------- */
.group-block{padding:34px 0;border-top:1px solid var(--c-line);scroll-margin-top:120px;}
.group-block:first-of-type{border-top:0;padding-top:6px;}
.group-index{
  display:block;font-size:34px;font-weight:700;line-height:1;letter-spacing:-1px;
  color:rgba(26,102,204,.18);
}
.group-side h3{margin-top:10px;font-size:20px;font-weight:600;color:var(--c-ink);}
.group-side p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--c-ink-2);}
.dict-list{display:grid;grid-template-columns:1fr 1fr;gap:2px 24px;}
.dict-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;font-size:14.5px;color:var(--c-ink);
  transition:background-color var(--t),color var(--t);
}
.dict-list a i{font-size:12px;color:var(--c-primary);opacity:0;transform:translateX(-4px);transition:opacity var(--t),transform var(--t);}
.dict-list a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.dict-list a:hover i{opacity:1;transform:translateX(0);}

/* ---------- 交付保障 ---------- */
.media-frame{
  position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;
  background:#EDF2F8;border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame.wide{aspect-ratio:16/9;}
.check-list{margin-top:8px;}
.check-list li{
  display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--c-line);
}
.check-list li:last-child{border-bottom:0;}
.check-list .ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(18,165,148,.12);
  color:var(--c-mint);display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:4px;
}
.check-list h4{font-size:16px;font-weight:600;color:var(--c-ink);}
.check-list p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-top:4px;}

/* ---------- 常见问题 ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#BFD5F0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{left:0;right:0;top:8px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;transition:transform var(--t),opacity var(--t);}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-body{
  margin:0 12px 12px;padding:16px 20px;border-radius:10px;background:#F1F6FD;
  font-size:14.5px;line-height:1.9;color:var(--c-ink-2);
}

/* ---------- 咨询表单 ---------- */
.consult-block{
  background:var(--c-primary-100);border-radius:var(--r-xl);padding:40px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:center;
}
.consult-block h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:var(--c-ink);}
.consult-block .lead{margin-top:14px;font-size:15px;color:var(--c-ink-2);line-height:1.9;}
.consult-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.consult-points span{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:#fff;color:var(--c-primary-700);font-size:13px;
}
.form-inline{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-1);
}
.field{flex:1 1 0;min-width:0;}
.field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;}
.field input{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--c-ink-3);}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,102,204,.15);}
.form-inline .btn{flex:0 0 auto;margin-top:25px;}
.form-note{font-size:13px;color:var(--c-ink-2);margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#C7D6E4;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#A9BFD4;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);font-size:12px;color:#C7D6E4;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul li{font-size:14px;color:#A9BFD4;line-height:2;margin-bottom:6px;}
.footer-col ul li a{color:#A9BFD4;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA6BC;
}

/* ---------- 悬浮 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:flex;align-items:center;gap:8px;
  background:var(--c-primary);color:#fff;border-radius:var(--r-pill);
  box-shadow:var(--sh-3);padding:0;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta-link{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 20px 0 22px;
  color:#fff;font-size:14px;font-weight:600;
}
.float-cta-link:hover{color:#fff;}
.float-cta-close{
  width:32px;height:32px;border-radius:50%;margin-right:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);color:#fff;font-size:13px;
}
.float-cta-close:hover{background:rgba(255,255,255,.3);}
.float-cta-lead{display:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .container{max-width:960px;}
  .nav-group{gap:20px;}
  .nav-link{font-size:14px;}
}
@media screen and (max-width:1023px){
  .nav-group{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{justify-content:space-between;}
  .brand{position:absolute;left:50%;transform:translateX(-50%);}
  .site-header .nav-shell{position:relative;}
  .section{padding:72px 0;}
  .page-head{padding-top:116px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .consult-block{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pill-bar{top:64px;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-head{padding-top:104px;}
  .page-head-inner{padding-bottom:40px;}
  .page-head-sub{font-size:15px;}
  .dict-list{grid-template-columns:1fr;}
  .group-block{padding:26px 0;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line);padding:20px 16px;}
  .stat-item:last-child{border-bottom:0;}
  .form-inline{flex-direction:column;align-items:stretch;}
  .form-inline .btn{margin-top:0;width:100%;}
  .consult-block{padding:24px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;transform:translateY(100%);
    padding:0 12px calc(6px + env(safe-area-inset-bottom)) 16px;
    justify-content:space-between;gap:8px;min-height:56px;
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta-lead{display:block;font-size:12px;color:rgba(255,255,255,.9);line-height:1.4;}
  .float-cta-link{height:40px;padding:0 14px;font-size:13px;background:rgba(255,255,255,.18);border-radius:var(--r-pill);}
  .float-cta-close{width:28px;height:28px;margin-right:0;background:transparent;}
  .pill-bar{position:static;padding:0;background:transparent;}
  .dict-list a{height:46px;}
}