/* roulang page: index */
:root{
  --brand:#0B3F31;
  --brand-700:#093528;
  --brand-soft:#EAF3EF;
  --accent:#F26A21;
  --accent-600:#DE5B14;
  --teal:#17B978;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --ink:#14201C;
  --ink-2:#5A6B64;
  --ink-3:#8A9A93;
  --line:#E3E9E5;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,28,.04),0 8px 24px rgba(16,32,28,.06);
  --sh-2:0 12px 32px rgba(16,32,28,.12);
  --bs-primary:#F26A21;
  --bs-body-color:#14201C;
  --bs-body-bg:#F6F8F6;
  --bs-border-color:#E3E9E5;
  --bs-border-radius:14px;
  --bs-link-color:#0B3F31;
  --bs-link-hover-color:#F26A21;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:767.98px){.wrap{padding:0 20px}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;white-space:nowrap}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(23,185,120,.4)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(11,63,49,.55)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.btn-line{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-line:hover{border-color:rgba(11,63,49,.35);color:var(--brand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-arrow span{transition:transform .22s ease}
.link-arrow:hover span{transform:translateX(3px)}
.link-arrow.small{font-size:14px}
.dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);display:inline-block}

/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.compact{box-shadow:0 6px 18px rgba(11,63,49,.08)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:64px;transition:height .22s ease}
.site-header.compact .topbar-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--brand);flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;flex:0 0 28px}
.brand:hover{color:var(--brand-700)}
.topbar-nav{display:none;gap:24px;margin-left:8px}
.site-header.compact .topbar-nav{display:flex}
.topbar-nav a{font-size:15px;color:var(--ink-2);font-weight:500}
.topbar-nav a:hover,.topbar-nav a.active{color:var(--brand);font-weight:700}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;height:40px;width:40px;background:#fff;border:1px solid var(--line);
  border-radius:10px;overflow:hidden;transition:width .25s ease,border-color .25s ease}
.search-box.open{width:280px;border-color:rgba(11,63,49,.28)}
.search-box input{width:0;opacity:0;height:100%;border:0;background:transparent;font-size:14px;color:var(--ink);
  transition:width .25s ease,opacity .25s ease,padding .25s ease;outline:none}
.search-box.open input{width:238px;opacity:1;padding:0 6px 0 14px}
.search-box input::placeholder{color:var(--ink-3)}
.search-toggle{width:40px;height:40px;flex:0 0 40px;border:0;background:transparent;color:var(--brand);
  display:grid;place-items:center;cursor:pointer}
.search-toggle:hover{color:var(--accent)}
.phone-link{font-size:14px;font-weight:600;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px}
.phone-link:hover{color:var(--accent)}
.drawer-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  color:var(--brand);place-items:center;cursor:pointer}
.drawer-toggle:hover{border-color:rgba(11,63,49,.3)}
.channelbar{border-top:1px solid var(--line);transition:opacity .2s ease}
.site-header.compact .channelbar{display:none}
.channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:44px}
.channel-nav{display:flex;gap:26px;align-items:center}
.channel-link{position:relative;font-size:15px;color:var(--ink-2);padding:4px 0}
.channel-link:hover{color:var(--brand)}
.channel-link.active{color:var(--brand);font-weight:700}
.channel-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent)}
.hot-words{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--ink-3);overflow:hidden;white-space:nowrap}
.hot-words b{font-weight:600;color:var(--ink-3)}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2)}
.hot-words a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);flex:0 0 4px}
.hot-words a:hover{color:var(--accent)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px}
.mobile-nav.open{display:block}
.mobile-nav a.mobile-link{display:block;padding:13px 0;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-nav a.mobile-link.active{color:var(--brand);font-weight:700}
.mobile-search{margin:16px 0}
.mobile-search input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:15px;outline:none;background:#fff}
.mobile-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,185,120,.18)}
@media(max-width:991.98px){
  .channel-nav,.hot-words,.phone-link,.topbar-actions .btn{display:none}
  .drawer-toggle{display:grid}
  .site-header.compact .topbar-nav{display:none}
}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F1F6F3 100%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,63,49,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(11,63,49,.035) 1px,transparent 1px);
  background-size:56px 56px}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;padding:76px 0 84px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.4px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:44px;line-height:1.25;margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(242,106,33,.16);z-index:-1;border-radius:4px}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:36px;padding-top:22px;border-top:1px dashed var(--line)}
.trust-row li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.trust-row svg{flex:0 0 18px}
.hero-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-media img{width:100%;height:420px;object-fit:cover}
.hero-badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.95);border-radius:12px;
  padding:12px 16px;box-shadow:var(--sh-1);display:flex;gap:14px;align-items:center}
.hero-badge strong{font-size:22px;color:var(--brand);line-height:1}
.hero-badge span{font-size:12px;color:var(--ink-2)}
@media(max-width:991.98px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 0 60px}
  .hero h1{font-size:34px}
  .hero-media img{height:300px}
}
@media(max-width:767.98px){
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-media img{height:230px}
  .hero-badge{left:12px;bottom:12px;padding:10px 14px}
}

/* ===== 数据条 ===== */
.metrics{background:var(--brand);color:#fff;position:relative;overflow:hidden}
.metrics::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:100% 44px}
.metrics-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0}
.metric strong{display:block;font-size:34px;font-weight:800;line-height:1.2;color:#fff}
.metric strong i{font-style:normal;font-size:16px;font-weight:600;margin-left:4px;color:#A9C8BC}
.metric span{display:block;margin-top:6px;font-size:14px;color:#C9D6D1}
@media(max-width:991.98px){.metrics-grid{grid-template-columns:repeat(2,1fr);padding:36px 0}}
@media(max-width:575.98px){.metric strong{font-size:26px}}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-soft{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;padding-bottom:18px;border-bottom:1px solid var(--line);position:relative}
.sec-head::after{content:"";position:absolute;left:0;bottom:-1px;width:64px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:28px}
.sec-desc{margin-top:10px;font-size:16px;color:var(--ink-2);max-width:660px}
@media(max-width:767.98px){
  .section{padding:52px 0}
  .sec-title{font-size:22px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:30px}
}

/* ===== 服务分组 ===== */
.svc-group{display:grid;grid-template-columns:4fr 8fr;gap:56px;padding:56px 0;border-top:1px solid var(--line)}
.svc-group:first-of-type{border-top:0;padding-top:0}
.svc-aside{position:sticky;top:132px;align-self:start;padding-left:20px;border-left:3px solid var(--brand)}
.svc-aside h3{font-size:26px;line-height:1.35}
.svc-aside p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.svc-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(11,63,49,.3)}
.svc-ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand)}
.svc-card h4{margin-top:18px;font-size:18px}
.svc-card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.75}
.svc-more{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.svc-more span{transition:transform .2s ease}
.svc-more:hover span{transform:translateX(3px)}
@media(max-width:991.98px){
  .svc-group{grid-template-columns:1fr;gap:26px;padding:42px 0}
  .svc-aside{position:static;top:auto}
  .svc-aside h3{font-size:22px}
}
@media(max-width:575.98px){.svc-cards{grid-template-columns:1fr}}

/* ===== 使用场景 ===== */
.scenes{display:grid;grid-template-columns:220px 1fr;gap:44px}
.scene-tabs{display:flex;flex-direction:column;gap:10px}
.scene-tab{border:1px solid var(--line);background:#fff;border-radius:12px;padding:15px 18px;text-align:left;
  font-size:16px;color:var(--ink-2);cursor:pointer;transition:all .22s ease;min-height:44px}
.scene-tab:hover{border-color:rgba(11,63,49,.3);color:var(--brand)}
.scene-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.scene-panel{display:none}
.scene-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.scene-panel img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.scene-body h3{font-size:22px}
.scene-body p{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85}
.scene-points{margin-top:18px;display:grid;gap:10px}
.scene-points li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2)}
.scene-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
@media(max-width:991.98px){
  .scenes{grid-template-columns:1fr;gap:24px}
  .scene-tabs{flex-direction:row;overflow-x:auto;padding-bottom:8px;gap:8px}
  .scene-tab{white-space:nowrap;flex:0 0 auto}
  .scene-panel.active{grid-template-columns:1fr}
}

/* ===== 最新信息 ===== */
.news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:24px}
.news-side{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(11,63,49,.3)}
.post-thumb{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,241,233,.96);color:var(--accent);
  font-size:12px;padding:4px 10px;border-radius:999px;font-weight:600}
.badge-soft{display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12px;
  padding:4px 10px;border-radius:999px;font-weight:600}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-main .post-title{font-size:22px}
.post-title a:hover{color:var(--brand)}
.post-sum{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-main .post-sum{-webkit-line-clamp:3}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-3)}
.post-meta .link-arrow{margin-left:auto}
.empty-state{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;padding:32px}
.empty-state svg{color:var(--ink-3)}
.empty-state p{font-size:15px;color:var(--ink-2)}
@media(max-width:991.98px){.news-layout{grid-template-columns:1fr}}
@media(max-width:575.98px){.news-side{grid-template-columns:1fr}}

/* ===== 案例 ===== */
.case-row{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.case-row:first-of-type{border-top:0;padding-top:0}
.case-row.reverse{grid-template-columns:7fr 5fr}
.case-row.reverse .case-media{order:2}
.case-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.case-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s ease}
.case-row:hover .case-media img{transform:scale(1.03)}
.case-body h3{font-size:22px;margin-top:14px}
.case-body p{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.85}
.case-stats{display:flex;gap:40px;margin-top:24px;flex-wrap:wrap}
.case-stats strong{display:block;font-size:32px;color:var(--brand);line-height:1.2}
.case-stats span{display:block;margin-top:4px;font-size:12px;color:var(--ink-3)}
@media(max-width:991.98px){
  .case-row,.case-row.reverse{grid-template-columns:1fr;gap:24px}
  .case-row.reverse .case-media{order:0}
}

/* ===== 价格 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(11,63,49,.3)}
.price-card.featured{border:2px solid var(--brand);transform:translateY(-12px)}
.price-card.featured:hover{transform:translateY(-16px)}
.ribbon{position:absolute;top:-14px;left:32px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:999px;letter-spacing:.5px}
.price-name{font-size:18px;font-weight:800}
.price-for{margin-top:8px;font-size:14px;color:var(--ink-3)}
.price-num{margin-top:20px;display:flex;align-items:baseline;gap:6px;color:var(--brand)}
.price-num b{font-size:36px;font-weight:800;line-height:1}
.price-num span{font-size:14px;color:var(--ink-3)}
.price-list{margin:24px 0 28px;display:grid;gap:12px}
.price-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7}
.price-list svg{flex:0 0 18px;margin-top:6px;color:var(--teal)}
.price-card .btn{margin-top:auto}
@media(max-width:991.98px){
  .price-grid{grid-template-columns:1fr;gap:34px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
}

/* ===== FAQ ===== */
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;
  background:none;border:0;font-size:17px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;min-height:44px}
.faq-q:hover{color:var(--brand)}
.faq-plus{position:relative;width:16px;height:16px;flex:0 0 16px;transition:transform .28s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding-bottom:22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ===== CTA 表单 ===== */
.cta-section{background:#fff;border-top:1px solid var(--line)}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-copy h2{font-size:28px;line-height:1.35}
.cta-copy>p{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.85}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.cta-points svg{flex:0 0 18px;margin-top:6px;color:var(--accent)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--sh-1)}
.form-card h3{font-size:18px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.field input,.field textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;color:var(--ink);font-family:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input{height:46px}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,185,120,.18)}
.form-foot{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:6px}
.form-tip{font-size:13px;color:var(--ink-3);margin-right:auto}
.form-msg{display:none;margin-top:14px;font-size:14px;color:var(--teal);font-weight:600}
.form-msg.show{display:block}
@media(max-width:991.98px){
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .form-foot{flex-direction:column;align-items:stretch}
  .form-foot .btn{width:100%}
  .form-tip{margin:0 0 10px}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand);color:#C9D6D1;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark svg *{stroke:var(--brand)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9C8BC;max-width:280px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col p{display:block;font-size:14px;color:#C9D6D1;margin-bottom:10px;line-height:1.7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center}
.footer-bottom p{font-size:13px;color:#8FAFA2}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --brand:#0B3F31;
  --brand-2:#0F5240;
  --accent:#F26A21;
  --accent-d:#D95A15;
  --mint:#17B978;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --soft:#EAF3EF;
  --ink:#14201C;
  --muted:#5A6B64;
  --weak:#8A9A93;
  --line:#E3E9E5;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(16,32,28,.04),0 8px 24px rgba(16,32,28,.06);
  --sh-hover:0 12px 32px rgba(16,32,28,.12);
  --sec-gap:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--ink)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (max-width:767px){.wrap{padding:0 20px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(11,63,49,.08)}
.brand-row{display:flex;align-items:center;gap:20px;height:64px;transition:height .25s ease}
.site-header.is-scrolled .brand-row{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--brand);letter-spacing:.2px}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{
  width:220px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 38px 0 14px;background:#fff;outline:none;transition:.2s;
}
.search-box input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,185,120,.18)}
.search-box .fa-magnifying-glass{position:absolute;right:14px;color:var(--weak);font-size:14px;pointer-events:none}
.header-phone{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);white-space:nowrap}
.header-phone i{color:var(--accent)}
.topbar-nav{
  display:flex;align-items:center;gap:6px;height:44px;overflow-x:auto;
  scrollbar-width:none;
}
.topbar-nav::-webkit-scrollbar{display:none}
.topbar-nav a{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--muted);white-space:nowrap;transition:.2s;
}
.topbar-nav a:hover{background:var(--soft);color:var(--brand)}
.topbar-nav a.active{background:var(--brand);color:#fff;font-weight:600}
.hot-words{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--weak);white-space:nowrap}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.hot-words a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);display:inline-block}
@media (max-width:991px){
  .search-box input{width:160px}
  .header-phone{display:none}
  .hot-words{display:none}
}
@media (max-width:575px){
  .brand{font-size:17px}
  .search-box{display:none}
  .topbar-nav{gap:4px}
  .topbar-nav a{padding:0 12px;font-size:14px}
}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid var(--accent);
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,106,33,.28)}
.btn-brand.sm{height:38px;padding:0 16px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid var(--brand);
  background:transparent;color:var(--brand);font-weight:600;font-size:15px;cursor:pointer;transition:.2s;
}
.btn-ghost:hover{background:var(--soft);color:var(--brand)}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.topbar-nav a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(11,63,49,.28)}

/* ============ 通用 ============ */
.page-main{padding:0 0 var(--sec-gap)}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:24px 0 22px;
  font-size:15px;color:var(--weak);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:#CBD6D1}
.crumbs .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge-cate{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(242,106,33,.12);color:var(--accent);font-size:12px;font-weight:600;
}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  background:var(--soft);color:var(--brand);font-size:12px;font-weight:600;
}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:40px 44px 36px;
}
.article-head h1{font-size:32px;line-height:1.35;margin:14px 0 16px;letter-spacing:.2px}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:var(--weak);padding-bottom:20px;border-bottom:1px solid var(--line)}
.meta-row .divider{width:1px;height:13px;background:var(--line);display:inline-block}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#233029;padding-top:26px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:24px;margin:2em 0 .8em;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;margin:1.4em 0 .5em}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(11,63,49,.3)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--sh)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--soft);border-left:4px solid var(--accent);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:0;margin:0 0 1.2em;list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;
  background:var(--soft);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden}
.article-body thead th{background:var(--soft);color:var(--brand);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFCFB}
.article-body pre{
  background:#0F1A16;color:#DCE7E2;padding:16px 18px;border-radius:var(--r-img);
  overflow:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body code{background:var(--soft);color:var(--brand);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.empty-state{text-align:center;padding:48px 20px;background:var(--soft);border-radius:var(--r-card)}
.empty-state i{font-size:44px;color:var(--weak);display:block;margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--muted);margin:0 0 18px}

/* ============ 文末 ============ */
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.tag-row .label{font-size:14px;color:var(--weak)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--brand);font-size:13px;transition:.2s;
}
.tag:hover{background:var(--brand);color:#fff}
.turn-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.turn-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh);transition:.2s;
}
.turn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.turn-card span{display:block;font-size:13px;color:var(--weak);margin-bottom:6px}
.turn-card strong{display:block;font-size:16px;color:var(--ink);font-weight:700;line-height:1.6}
.turn-card:hover strong{color:var(--brand)}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:130px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--accent)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--r-btn);font-size:15px;color:var(--muted);min-height:44px}
.side-nav a:hover{background:var(--soft);color:var(--brand)}
.side-nav a i{font-size:12px;color:var(--weak)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;line-height:1.7}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{color:var(--ink)}
.side-list a:hover{color:var(--accent)}
.side-list small{display:block;font-size:13px;color:var(--weak);margin-top:2px}
.side-cta{
  background:linear-gradient(rgba(11,63,49,.94),rgba(11,63,49,.94)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius:var(--r-card);padding:26px 22px;color:#fff;
}
.side-cta h3{font-size:18px;color:#fff;margin-bottom:10px}
.side-cta p{font-size:14px;color:#C9D6D1;line-height:1.75;margin-bottom:18px}
.side-cta .btn-brand{width:100%}

/* ============ 相关推荐 ============ */
.section{margin-top:var(--sec-gap)}
.section-head{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.section-head h2{font-size:24px}
.section-head .line{flex:1;height:1px;background:var(--line)}
.section-head .more{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.section-head .more:hover{color:var(--accent)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);transition:.24s;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.rel-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.6}
.rel-card:hover h3{color:var(--brand)}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak)}
.rel-foot .arrow{color:var(--accent)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand);color:#C9D6D1;margin-top:0;
  padding:64px 0 0;
  background-image:linear-gradient(rgba(11,63,49,.97),rgba(11,63,49,.97)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand .brand{color:#fff;font-size:19px;font-weight:800}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand .brand-mark svg circle,.footer-brand .brand-mark svg path{stroke:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#AEC0BA;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col p{display:block;font-size:14px;color:#AEC0BA;margin:0 0 10px;line-height:1.7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center}
.footer-bottom p{margin:0;font-size:13px;color:#9DB3AC}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-card{padding:34px 32px 30px}
}
@media (max-width:991px){
  :root{--sec-gap:64px}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .side-col{position:static}
  .rel-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--sec-gap:52px}
  .article-card{padding:26px 20px 24px}
  .article-head h1{font-size:24px;line-height:1.4}
  .article-body{font-size:16px;line-height:1.85;padding-top:20px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .turn-row{grid-template-columns:1fr}
  .section-head h2{font-size:20px}
}
@media (max-width:575px){
  .rel-grid{grid-template-columns:1fr}
  .section-head{flex-wrap:wrap;gap:10px}
}

/* roulang page: category1 */
:root{
  --ink:#14201C;
  --ink-2:#5A6B64;
  --ink-3:#8A9A93;
  --green:#0B3F31;
  --green-soft:#EAF3EF;
  --orange:#F26A21;
  --orange-soft:#FDEDE3;
  --teal:#17B978;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --line:#E3E9E5;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(16,32,28,.04), 0 8px 24px rgba(16,32,28,.06);
  --sh-hover:0 12px 32px rgba(16,32,28,.12);
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-color:#14201C;
  --bs-primary:#0B3F31;
  --bs-border-radius:14px;
  --bs-link-color:#0B3F31;
  --bs-link-hover-color:#F26A21;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han 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;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(23,185,120,.45);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:28px}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px}
.section-head .head-line{flex:1;height:1px;background:var(--line);margin-bottom:10px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--green);background:var(--green-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green)}
.text-link i{transition:transform .2s ease;font-size:13px}
.text-link:hover{color:var(--orange)}
.text-link:hover i{transform:translateX(3px)}

/* 按钮 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,106,33,.24)}
.btn-main:hover{background:#DD5A15;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,106,33,.3)}
.btn-ghost{border-color:var(--green);color:var(--green);background:transparent}
.btn-ghost:hover{background:var(--green-soft);color:var(--green)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* 徽章 */
.badge-pill{display:inline-block;font-size:12px;padding:4px 10px;border-radius:var(--r-pill);line-height:1.6}
.badge-orange{background:var(--orange-soft);color:#C4501A}
.badge-green{background:var(--green-soft);color:var(--green)}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-compact{box-shadow:0 6px 18px rgba(11,63,49,.08)}
.header-inner{display:flex;flex-direction:column;transition:all .25s ease}
.site-header.is-compact .header-inner{flex-direction:row;align-items:center}
.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease}
.site-header.is-compact .bar{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--green);flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--green-soft);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.bar-right{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;background:#F2F6F4;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 10px;height:40px;transition:box-shadow .2s ease,border-color .2s ease,width .25s ease}
.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(23,185,120,.16)}
.search-box input{width:180px;height:36px;border:0;background:transparent;font-size:14px;transition:width .25s ease}
.search-box input:focus{outline:none}
.search-box.is-open input{width:260px}
.search-box .search-toggle{color:var(--ink-2);font-size:14px;padding:6px 4px}
.bar-tel{font-size:14px;color:var(--ink-2);white-space:nowrap}
.bar-tel i{color:var(--orange);margin-right:6px}
.topbar-nav{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line);transition:all .25s ease}
.topbar-nav a{position:relative;font-size:15px;color:var(--ink-2);height:100%;display:inline-flex;align-items:center;white-space:nowrap}
.topbar-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.topbar-nav a:hover{color:var(--green)}
.topbar-nav a:hover::after{transform:scaleX(1)}
.topbar-nav a.active{color:var(--green);font-weight:600}
.topbar-nav a.active::after{transform:scaleX(1)}
.site-header.is-compact .topbar-nav{height:56px;border-top:0;margin-left:auto;gap:22px}
.site-header.is-compact .topbar-nav a::after{bottom:12px}

/* Hero */
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(11,63,49,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(11,63,49,.035) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,185,120,.14),rgba(23,185,120,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;min-height:520px;padding-top:56px;padding-bottom:56px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);background:var(--green-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px}
.hero-badge i{color:var(--teal)}
.hero h1{font-size:44px;line-height:1.25;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.75;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.trust{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.trust li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.trust i{color:var(--teal);font-size:13px}
.hero-media{border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh);background:#fff}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* 说明带 */
.note-band{margin-top:40px;background:var(--green-soft);border-left:4px solid var(--green);border-radius:0 var(--r-card) var(--r-card) 0;padding:20px 24px}
.note-band p{font-size:15px;line-height:1.9;color:#254B3F}
.note-band strong{color:var(--green)}

/* 指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.metric .key{font-size:32px;font-weight:700;color:var(--green);line-height:1.1;font-variant-numeric:tabular-nums}
.metric .key span{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-2)}
.metric .label{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* 能力区 */
.capability{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.cap-aside{position:sticky;top:132px}
.cap-aside h2{font-size:28px;line-height:1.35}
.cap-aside p{margin-top:14px;font-size:15px;color:var(--ink-2)}
.cap-aside .aside-line{width:36px;height:3px;background:var(--orange);border-radius:2px;margin:20px 0}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cap-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.cap-card:nth-child(2){margin-top:28px}
.cap-card:nth-child(3){margin-top:-28px}
.cap-top{display:flex;gap:16px;align-items:flex-start}
.cap-icon{width:44px;height:44px;border-radius:12px;background:var(--green-soft);color:var(--green);display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto}
.cap-card h3{font-size:18px;margin-bottom:6px}
.cap-card .cap-desc{font-size:15px;line-height:1.75;color:var(--ink-2)}
.cap-card .cap-foot{margin-top:auto;padding-top:18px}

/* 场景 Tab */
.scenes{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
.scene-tabs{display:flex;flex-direction:column;gap:6px;border-left:2px solid var(--line)}
.scene-tab{text-align:left;padding:12px 16px;font-size:15px;color:var(--ink-2);border-left:3px solid transparent;margin-left:-3px;border-radius:0 8px 8px 0;transition:all .2s ease}
.scene-tab:hover{color:var(--green);background:rgba(234,243,239,.7)}
.scene-tab.active{color:var(--green);font-weight:700;background:var(--green-soft);border-left-color:var(--orange)}
.scene-panel{display:none;gap:40px;align-items:center}
.scene-panel.active{display:grid;grid-template-columns:1fr 1fr}
.scene-panel.reverse .scene-photo{order:2}
.scene-photo{border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--sh)}
.scene-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.scene-photo:hover img{transform:scale(1.03)}
.scene-body h3{font-size:22px;margin-bottom:14px}
.scene-body p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:14px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.8;padding:5px 0}
.check-list li i{color:var(--teal);margin-top:7px;font-size:12px;flex:0 0 auto}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.flow-step .step-no{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--green);color:#fff;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.flow-step h3{font-size:17px;margin:16px 0 8px}
.flow-step p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* 字段清单 */
.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.field-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;display:flex;gap:14px;transition:border-color .2s ease,box-shadow .2s ease}
.field-item:hover{border-color:rgba(11,63,49,.3);box-shadow:var(--sh)}
.field-item i{color:var(--orange);font-size:16px;margin-top:5px}
.field-item h3{font-size:16px;margin-bottom:6px}
.field-item p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease}
.faq-q:hover{color:var(--green)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);padding-bottom:22px}

/* CTA 表单 */
.cta-section{margin-top:88px}
.cta-box{background:linear-gradient(120deg,#0B3F31 0%,#12513F 100%);border-radius:20px;padding:48px;display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:start;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.cta-copy{position:relative}
.cta-copy h2{font-size:28px;color:#fff;line-height:1.35}
.cta-copy .cta-sub{margin-top:14px;font-size:15px;line-height:1.85;color:#BFD4CD;max-width:460px}
.cta-copy .check-list{margin-top:24px}
.cta-copy .check-list li{color:#D7E6E1}
.cta-copy .check-list li i{color:#4FD79A}
.lead-form{position:relative;background:#fff;border-radius:16px;padding:32px;box-shadow:0 18px 40px rgba(4,24,18,.22)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.form-row input,.form-row textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:12px 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.form-row input{height:46px}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.7}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(23,185,120,.16)}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}
.form-tip{font-size:13px;color:var(--ink-3)}

/* 交叉链接 */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cross-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,63,49,.3)}
.cross-card .cross-icon{width:40px;height:40px;border-radius:11px;background:var(--orange-soft);color:#C4501A;display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px}
.cross-card h3{font-size:17px;margin-bottom:8px}
.cross-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.cross-card .text-link{margin-top:14px;font-size:14px}

/* 页脚 */
.site-footer{margin-top:88px;background:var(--green);color:#C9D6D1;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover;opacity:.07;pointer-events:none}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.92)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9C0B9;max-width:320px}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col p{display:block;font-size:14px;color:#C9D6D1;margin-bottom:10px;line-height:1.7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center}
.footer-bottom p{margin:0;font-size:13px;color:#9FB4AC}

@media (max-width:1199px){
  .hero h1{font-size:38px}
  .hero-grid{gap:40px;min-height:auto}
  .search-box input{width:150px}
  .search-box.is-open input{width:200px}
}
@media (max-width:991px){
  .header-inner,.site-header.is-compact .header-inner{flex-direction:column;align-items:stretch}
  .site-header.is-compact .bar{height:56px}
  .bar{gap:12px}
  .search-box{display:none}
  .bar-tel{display:none}
  .topbar-nav{height:auto;padding:4px 0 10px;gap:20px;overflow-x:auto;white-space:nowrap;border-top:1px solid var(--line);scrollbar-width:none}
  .topbar-nav::-webkit-scrollbar{display:none}
  .topbar-nav a{padding:8px 2px}
  .site-header.is-compact .topbar-nav{margin-left:0;height:auto;border-top:1px solid var(--line);gap:20px}
  .site-header.is-compact .topbar-nav a::after{bottom:0}
  .hero-grid{grid-template-columns:1fr;padding-top:40px;padding-bottom:44px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-media{order:2}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:40px}
  .capability{grid-template-columns:1fr;gap:32px}
  .cap-aside{position:static}
  .scenes{grid-template-columns:1fr;gap:24px}
  .scene-tabs{flex-direction:row;border-left:0;border-bottom:2px solid var(--line);overflow-x:auto;gap:4px;white-space:nowrap}
  .scene-tab{border-left:0;border-bottom:3px solid transparent;margin-left:0;border-radius:8px 8px 0 0}
  .scene-tab.active{border-left:0;border-bottom-color:var(--orange)}
  .scene-panel.active{grid-template-columns:1fr;gap:24px}
  .scene-panel.reverse .scene-photo{order:0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .field-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr;padding:36px;gap:32px}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding-top:64px}
}
@media (max-width:767px){
  .wrap{padding-left:20px;padding-right:20px}
  .hero h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .trust{gap:8px 18px}
  .cap-grid{grid-template-columns:1fr}
  .cap-card:nth-child(2),.cap-card:nth-child(3){margin-top:0}
  .metrics{grid-template-columns:1fr 1fr;gap:14px}
  .metric{padding:20px}
  .metric .key{font-size:26px}
  .flow{grid-template-columns:1fr}
  .field-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head .head-line{display:none}
  .section-head h2{font-size:22px}
  .cap-aside h2,.cta-copy h2{font-size:22px}
  .cta-box{padding:26px;border-radius:16px}
  .lead-form{padding:22px}
  .form-foot{flex-direction:column;align-items:stretch}
  .form-foot .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr;padding-top:48px;padding-bottom:32px}
  .faq-q{font-size:16px}
  .scene-body h3{font-size:19px}
}

/* roulang page: category2 */
:root{
  --brand:#0B3F31;
  --brand-deep:#083227;
  --brand-mid:#12594A;
  --accent:#F26A21;
  --accent-deep:#D9550F;
  --green:#17B978;
  --bg:#F6F8F6;
  --surface:#FFFFFF;
  --soft:#EAF3EF;
  --ink:#14201C;
  --ink-2:#5A6B64;
  --ink-3:#8A9A93;
  --line:#E3E9E5;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctrl:10px;
  --radius-pill:999px;
  --shadow-s:0 1px 2px rgba(16,32,28,.04), 0 8px 24px rgba(16,32,28,.06);
  --shadow-h:0 12px 32px rgba(16,32,28,.12);
  --wrap:1200px;
  --sec-gap:88px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:#14201C;
  --bs-body-bg:#F6F8F6;
  --bs-link-color:#0B3F31;
  --bs-link-hover-color:#F26A21;
  --bs-border-radius:10px;
  --bs-border-color:#E3E9E5;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(11,63,49,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-ctrl);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 18px rgba(242,106,33,.24);}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,106,33,.3);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--soft);color:var(--brand);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand);border-color:#fff;}
.btn-light:hover{background:var(--soft);color:var(--brand);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);background:none;border:none;padding:0;cursor:pointer;
}
.btn-text i{transition:transform .2s ease;font-size:13px;}
.btn-text:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(11,63,49,.08);}
.header-top{background:#fff;}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:64px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.02em;
  flex:0 0 auto;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 28px;
}
.header-tools{display:flex;align-items:center;gap:14px;}
.header-search{
  display:flex;align-items:center;
  width:0;opacity:0;pointer-events:none;
  overflow:hidden;
  transition:width .28s ease,opacity .2s ease;
}
.header-search.is-open{width:280px;opacity:1;pointer-events:auto;}
.header-search input{
  width:100%;height:40px;
  border:1px solid var(--line);border-radius:var(--radius-ctrl);
  padding:0 14px;font-size:14px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,63,49,.12);}
.header-tel{
  font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.header-tel i{color:var(--accent);margin-right:6px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-ctrl);
  border:1px solid var(--line);background:#fff;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--soft);border-color:#CFE0D8;}
.nav-toggle{display:none;}

.topbar-nav{
  background:#fff;
  border-top:1px solid var(--line);
  transition:all .25s ease;
}
.nav-inner{
  display:flex;align-items:center;gap:6px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-inner::-webkit-scrollbar{display:none;}
.topbar-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.topbar-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;
  height:2px;border-radius:2px;background:transparent;
  transition:background-color .2s ease;
}
.topbar-nav a:hover{color:var(--brand);}
.topbar-nav a.active{color:var(--brand);}
.topbar-nav a.active::after{background:var(--accent);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:12px 0 18px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 4px;
  font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
  min-height:44px;
}
.mobile-drawer a.active{color:var(--brand);}
.mobile-drawer a:last-child{border-bottom:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-color:var(--brand);
  background-image:linear-gradient(115deg,rgba(8,50,39,.94) 0%,rgba(11,63,49,.86) 48%,rgba(11,63,49,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.55;pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  padding:72px 0 76px;
}
.breadcrumb-line{
  font-size:14px;color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.breadcrumb-line a{color:rgba(255,255,255,.72);}
.breadcrumb-line a:hover{color:#fff;}
.breadcrumb-line span.sep{margin:0 8px;opacity:.55;}
.breadcrumb-line strong{color:#fff;font-weight:600;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(242,106,33,.18);
  border:1px solid rgba(242,106,33,.45);
  color:#FFB98D;font-size:13px;font-weight:700;letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-badge i{font-size:11px;}
.hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.25;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#7FE3B4;}
.hero-sub{
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.84);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-trust{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:22px;
}
.hero-trust li{
  padding-right:18px;
  border-right:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.78);line-height:1.6;
}
.hero-trust li:last-child{border-right:none;}
.hero-trust li:not(:first-child){padding-left:18px;}
.hero-trust i{color:#7FE3B4;margin-right:6px;font-size:14px;}
.hero-media{
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 60px rgba(0,0,0,.32);
  background:#0B3F31;
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-gap) 0;}
.section-soft{background:var(--soft);}
.section-white{background:#fff;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head.row-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;max-width:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:20px;height:2px;border-radius:2px;background:var(--accent);
}
.section-head h2{font-size:28px;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.85;}

/* 说明带 */
.note-band{
  display:flex;gap:16px;
  background:var(--soft);
  border-left:4px solid var(--brand);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:18px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:34px;
}
.note-band i{color:var(--brand);font-size:18px;margin-top:4px;flex:0 0 auto;}
.note-band strong{color:var(--ink);}

/* ============ 观察维度卡片 ============ */
.dim-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.dim-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(11,63,49,.3);}
.dim-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:18px;
}
.dim-card h3{font-size:18px;margin-bottom:10px;}
.dim-card p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.dim-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
  padding-top:14px;border-top:1px dashed var(--line);
}
.dim-meta i{color:var(--green);}

/* ============ 图文交替 ============ */
.feature-row{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:52px;
  align-items:center;
  padding:36px 0;
}
.feature-row.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-body{order:1;}
.feature-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-s);
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.feature-media:hover img{transform:scale(1.03);}
.feature-body h3{font-size:22px;margin:14px 0 14px;}
.feature-body p{font-size:16px;color:var(--ink-2);line-height:1.85;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;line-height:1.6;
}
.tag-accent{background:#FDEEE5;color:var(--accent-deep);}
.tag-green{background:var(--soft);color:var(--brand);}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:50%;
  background:var(--soft);
  border:1px solid rgba(11,63,49,.25);
}
.check-list li::after{
  content:"";position:absolute;left:4.5px;top:12.5px;
  width:5px;height:8px;
  border-right:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(42deg);
}

/* ============ 更新流程时间线 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  position:relative;
  margin-top:12px;
}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(11,63,49,.18),rgba(11,63,49,.06));
}
.flow-step{position:relative;padding:0 22px 0 0;}
.flow-dot{
  width:54px;height:54px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);
  color:var(--brand);font-weight:800;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;z-index:1;margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-bottom:10px;}
.flow-step p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.flow-time{
  display:inline-block;margin-top:12px;
  font-size:13px;color:var(--accent-deep);background:#FDEEE5;
  padding:3px 10px;border-radius:var(--radius-pill);
  font-variant-numeric:tabular-nums;
}

/* ============ 数据条 ============ */
.stats-band{
  background:var(--brand);
  color:#fff;
  border-radius:18px;
  padding:44px 40px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  position:relative;
  overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,33,.28),transparent 68%);
}
.stat-item{position:relative;z-index:1;}
.stat-num{
  font-size:36px;font-weight:800;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;color:#7FE3B4;}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;}

/* ============ 受众卡片 ============ */
.aud-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.aud-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(11,63,49,.3);}
.aud-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.aud-avatar{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-mid) 100%);
  color:#fff;font-size:20px;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 52px;
}
.aud-card h3{font-size:18px;margin-bottom:6px;}
.aud-level{font-size:12px;color:var(--green);font-weight:700;letter-spacing:.04em;}
.aud-card p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.aud-list{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:8px;}
.aud-list li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative;}
.aud-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-mark{transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-a{
  display:none;
  padding:0 0 24px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
  max-width:92%;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 表单 ============ */
.cta-section{background:var(--soft);}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:56px;
  align-items:start;
}
.cta-copy h2{font-size:28px;margin-bottom:16px;}
.cta-copy p{font-size:16px;color:var(--ink-2);line-height:1.85;}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-2);line-height:1.75;
}
.cta-points i{
  color:var(--green);font-size:15px;margin-top:5px;flex:0 0 auto;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:32px;
  box-shadow:var(--shadow-s);
}
.form-card h3{font-size:19px;margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--ink-3);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;color:var(--ink-2);
  margin-bottom:8px;font-weight:600;
}
.field input,.field textarea{
  width:100%;background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-ctrl);
  padding:13px 14px;
  font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input{height:46px;padding:0 14px;}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(11,63,49,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B7B1;}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px;}
.form-note{font-size:13px;color:var(--ink-3);margin-top:14px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand);
  color:#C9D6D1;
  margin-top:0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.6fr) minmax(0,3fr);
  gap:40px;
  padding:64px 24px 46px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;font-size:19px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-mark svg circle,
.footer-brand .brand-mark svg path{stroke:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(201,214,209,.86);}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col a,.footer-col p{
  display:block;font-size:14px;color:rgba(201,214,209,.86);
  line-height:1.9;margin-bottom:10px;
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 24px;
  text-align:center;
}
.footer-bottom p{font-size:13px;color:rgba(201,214,209,.72);margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .hero-grid{gap:40px;}
  .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .aud-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:991px){
  :root{--sec-gap:64px;}
  .header-tel{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero h1{font-size:34px;}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-row.reverse .feature-body{order:2;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;}
  .flow::before{display:none;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;padding:36px 28px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .header-inner{height:60px;}
  .brand{font-size:17px;}
  .header-tools{gap:10px;}
  .header-search.is-open{width:100%;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-trust{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 0;padding-top:20px;}
  .hero-trust li{border-right:none;padding:0;}
  .hero-trust li:not(:first-child){padding-left:0;}
  .section-head.row-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:22px;}
  .dim-grid,.aud-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:28px;}
  .stats-band{grid-template-columns:1fr 1fr;padding:30px 22px;border-radius:14px;}
  .stat-num{font-size:30px;}
  .feature-body h3{font-size:20px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 20px 34px;}
  .footer-col a,.footer-col p{min-height:auto;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .stats-band{grid-template-columns:1fr;}
  .hero-trust{grid-template-columns:1fr;gap:10px;}
  .btn{font-size:15px;padding:0 20px;}
}