/* roulang page: index */
:root{
  --c-brand:#0E7A57;
  --c-brand-deep:#0A5440;
  --c-ink:#0E1512;
  --c-accent:#CDEB3C;
  --c-heat:#FF5A2B;
  --c-bg:#F4F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E3E7E0;
  --c-muted:#5C6862;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
p{margin:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 布局骨架 ---------- */
.page{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
@media (min-width:1024px){ .page{margin-left:var(--sidebar-w)} }
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:768px){ .wrap{padding:0 32px} }
@media (min-width:1280px){ .wrap{padding:0 44px} }
.section{padding:52px 0}
@media (min-width:768px){ .section{padding:72px 0} }
@media (min-width:1024px){ .section{padding:88px 0} }
.section-tight{padding:40px 0}
@media (min-width:1024px){ .section-tight{padding:56px 0} }

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:none;flex-direction:column;padding:26px 18px 22px;z-index:60;
}
@media (min-width:1024px){ .sidebar{display:flex} }
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;border-bottom:1px solid var(--c-line)}
.brand-mark{flex:0 0 auto;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-muted);letter-spacing:.14em;text-transform:uppercase;font-variant-numeric:tabular-nums}
.nav-block{margin-top:22px}
.nav-title{font-size:11px;letter-spacing:.16em;color:#9AA5A0;padding:0 12px 8px;font-weight:600}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:15px;color:var(--c-muted);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-link .nav-dot{width:6px;height:6px;border-radius:50%;background:#CFD8D2;flex:0 0 auto;transition:background .18s ease}
.nav-link:hover{background:#EEF2ED;color:var(--c-ink)}
.nav-link:hover .nav-dot{background:var(--c-brand)}
.nav-link.active{background:#E9F2EE;color:var(--c-brand-deep);font-weight:600}
.nav-link.active .nav-dot{background:var(--c-brand)}
.nav-link.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-brand)}
.nav-link:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}
.side-note{font-size:12px;color:var(--c-muted);padding:0 4px 12px;line-height:1.7}
.side-tel{font-size:13px;color:var(--c-ink);padding:10px 4px 0;font-variant-numeric:tabular-nums}

/* ---------- 移动端顶部栏与抽屉 ---------- */
.mobile-bar{
  position:sticky;top:0;z-index:70;height:56px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);backdrop-filter:blur(6px);
}
@media (min-width:1024px){ .mobile-bar{display:none} }
.mobile-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700}
.burger{width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:16px;height:2px;background:var(--c-ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink)}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.drawer{position:fixed;left:0;right:0;top:56px;bottom:0;background:#fff;z-index:65;padding:20px 18px 32px;overflow-y:auto;display:none}
.drawer.open{display:block}
@media (min-width:1024px){ .drawer{display:none !important} }
.drawer .nav-link{padding:15px 14px;font-size:17px}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 1px 2px rgba(14,122,87,.24)}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand-deep);transform:translateY(-1px)}
.btn-dark{background:var(--c-ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#152312}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn:active{transform:translateY(0);filter:brightness(.94)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand-deep)}
.link-arrow:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:4px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(14,122,87,.1);color:var(--c-brand-deep)}
.badge-accent{background:var(--c-accent);color:#152312}
.badge-heat{background:rgba(255,90,43,.12);color:#C43A12}

/* ---------- 通用板块头 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--c-brand);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent)}
.sec-head{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
@media (min-width:900px){ .sec-head{flex-direction:row;align-items:flex-end;justify-content:space-between;margin-bottom:44px} }
.sec-title{font-size:clamp(24px,3.2vw,31px);line-height:1.3}
.sec-desc{font-size:15px;color:var(--c-muted);max-width:620px;line-height:1.85}

/* ---------- 卡片 ---------- */
.card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card::after{
  content:"";position:absolute;left:22px;top:0;height:2px;width:0;border-radius:2px;
  background:var(--c-brand);transition:width .26s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DAD3}
.card:hover::after{width:54px}
.card-body{padding:22px}
.card-title{font-size:17px;line-height:1.5}
.card-text{font-size:14px;color:var(--c-muted);line-height:1.8}

/* ---------- Hero ---------- */
.hero{padding:44px 0 36px;position:relative;overflow:hidden}
@media (min-width:1024px){ .hero{padding:64px 0 56px} }
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:900px){ .hero-grid{grid-template-columns:1.06fr .94fr;gap:52px} }
.hero-title{font-size:clamp(30px,4.6vw,50px);line-height:1.22;letter-spacing:-.02em}
.hero-title em{font-style:normal;color:var(--c-brand);box-shadow:inset 0 -.22em 0 rgba(205,235,60,.65)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-muted);line-height:1.8;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:#DDE3DD;min-height:210px}
.hero-media img{width:100%;height:100%;min-height:210px;object-fit:cover;aspect-ratio:16/9}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,122,87,.22),rgba(14,21,18,.06) 60%,rgba(205,235,60,.14));
}
.hero-media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:999px;padding:7px 14px;
  font-size:13px;font-weight:600;color:var(--c-brand-deep);
}

/* ---------- 指标条 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(2,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
@media (min-width:768px){ .metric-bar{grid-template-columns:repeat(4,1fr)} }
.metric{padding:22px 20px;border-bottom:1px solid var(--c-line);border-right:1px solid var(--c-line)}
.metric:nth-child(2n){border-right:none}
.metric:nth-last-child(-n+2){border-bottom:none}
@media (min-width:768px){
  .metric{border-bottom:none}
  .metric:nth-child(2n){border-right:1px solid var(--c-line)}
  .metric:last-child{border-right:none}
}
.metric-val{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.02em;color:var(--c-brand-deep);line-height:1.1;font-variant-numeric:tabular-nums}
.metric-val small{font-size:15px;font-weight:600;margin-left:4px;color:var(--c-brand)}
.metric-label{margin-top:8px;font-size:13px;color:var(--c-muted)}

/* ---------- 功能分组 ---------- */
.feat-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){
  .feat-grid{grid-template-columns:repeat(12,1fr);gap:24px}
  .feat-main{grid-column:span 7}
  .feat-side{grid-column:span 5;display:flex;flex-direction:column;gap:24px}
  .feat-wide{grid-column:span 12}
}
.feat-main-media{aspect-ratio:16/9;overflow:hidden;border-radius:12px;margin:-1px -1px 0;background:#E6EAE4}
.feat-main-media img{width:100%;height:100%;object-fit:cover}
.feat-icon{
  width:40px;height:40px;border-radius:11px;background:#E9F2EE;color:var(--c-brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.feat-wide{display:flex;flex-direction:column;gap:18px;padding:24px}
@media (min-width:900px){ .feat-wide{flex-direction:row;align-items:center;justify-content:space-between;gap:32px} }
.feat-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-muted);line-height:1.8}
.feat-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:10px}

/* ---------- 场景跑道带 ---------- */
.track-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px dashed #C8D2CB}
@media (min-width:768px){ .track-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .track-grid{grid-template-columns:repeat(4,1fr)} }
.track-item{padding:26px 22px 28px;border-bottom:1px dashed #C8D2CB;position:relative;transition:background .18s ease}
@media (min-width:768px){ .track-item{border-right:1px dashed #C8D2CB} .track-item:nth-child(2n){border-right:none} }
@media (min-width:1024px){ .track-item{border-right:1px dashed #C8D2CB} .track-item:nth-child(2n){border-right:1px dashed #C8D2CB} .track-item:last-child{border-right:none} }
.track-item:hover{background:#EFF3EE}
.track-num{font-size:30px;font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums;color:#BCC7C0;line-height:1}
.track-item:hover .track-num{color:var(--c-brand)}
.track-underline{display:block;width:26px;height:3px;border-radius:2px;background:var(--c-accent);margin:10px 0 14px}
.track-name{font-size:18px;font-weight:700}
.track-who{margin-top:8px;font-size:13px;color:var(--c-muted)}
.track-gain{margin-top:12px;font-size:14px;color:var(--c-ink);line-height:1.75}

/* ---------- 案例错位双列 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:900px){
  .case-grid{grid-template-columns:1.22fr .78fr;align-items:start;gap:28px}
  .case-offset{margin-top:64px}
}
.case-cover{aspect-ratio:3/2;background:#E6EAE4;overflow:hidden;border-radius:12px}
.case-cover img{width:100%;height:100%;object-fit:cover}
.case-kicker{font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.case-result{font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.02em;color:var(--c-ink);line-height:1.15;font-variant-numeric:tabular-nums}
.case-result small{font-size:15px;font-weight:600;color:var(--c-brand);margin-left:6px}

/* ---------- 最新信息（CMS 列表） ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){ .post-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .post-grid{grid-template-columns:repeat(3,1fr)} }
.post-card{display:flex;flex-direction:column;height:100%}
.post-card a{display:flex;flex-direction:column;height:100%}
.post-thumb{aspect-ratio:16/10;background:var(--c-bg);overflow:hidden;position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb-ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#E9EFE9,#F4F5F1);
}
.post-thumb-ph::after{content:"";width:56px;height:56px;border:2px solid #C9D3CC;border-radius:50%;position:relative}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17px;line-height:1.55;transition:color .18s ease;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px}
.post-card:hover .post-title{color:var(--c-brand)}
.post-excerpt{margin-top:10px;font-size:14px;color:var(--c-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:50px}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line)}
.post-arrow{margin-left:auto;color:var(--c-brand);font-weight:700;transition:transform .18s ease}
.post-card:hover .post-arrow{transform:translateX(3px)}
.empty-state{
  border:1px dashed #C9D3CC;border-radius:var(--r-card);background:var(--c-surface);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-icon{width:48px;height:48px;border:2px solid #C9D3CC;border-radius:50%;position:relative}
.empty-icon::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:2px;background:#C9D3CC;transform:translate(-50%,-50%)}
.empty-text{font-size:15px;color:var(--c-muted)}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:900px){ .price-grid{grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch} }
.price-card{display:flex;flex-direction:column;padding:26px 24px}
.price-card.featured{border-top:3px solid var(--c-heat);box-shadow:0 16px 40px -18px rgba(14,21,18,.26)}
.price-name{font-size:15px;font-weight:700;color:var(--c-muted);letter-spacing:.04em}
.price-value{margin-top:12px;font-size:clamp(28px,3.6vw,36px);font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.price-value small{font-size:14px;font-weight:500;color:var(--c-muted);margin-left:6px;letter-spacing:0}
.price-fit{margin-top:10px;font-size:14px;color:var(--c-muted)}
.price-spec{margin-top:20px;display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:1px solid var(--c-line)}
.price-spec li{display:flex;align-items:flex-start;gap:9px;font-size:14px;line-height:1.75}
.price-spec li .ok{color:var(--c-brand);font-weight:700}
.price-spec li .no{color:#B9C3BD;font-weight:700}
.price-card .btn{margin-top:24px;width:100%}
.compare-scroll{margin-top:26px;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface)}
.compare-table{border-collapse:collapse;width:100%;min-width:660px;font-size:14px}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--c-line);white-space:nowrap}
.compare-table thead th{font-size:13px;color:var(--c-muted);font-weight:600;background:#FAFBF9}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:var(--c-ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;
  border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-left-color:var(--c-brand);background:#FBFCFA}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{font-variant-numeric:tabular-nums;font-size:13px;color:var(--c-brand);font-weight:700;letter-spacing:.06em}
.faq-icon{margin-left:auto;width:22px;height:22px;position:relative;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 20px 20px 54px;font-size:15px;color:var(--c-muted);line-height:1.85}
.faq-item summary:focus-visible{outline:2px solid var(--c-accent);outline-offset:-3px}

/* ---------- CTA 深色区 ---------- */
.cta-band{background:var(--c-ink);color:#EAF0EB;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:repeating-linear-gradient(90deg,var(--c-accent) 0 26px,transparent 26px 46px);
  opacity:.75;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0}
@media (min-width:1024px){ .cta-inner{grid-template-columns:1fr 460px;gap:56px;align-items:center;padding:76px 0} }
.cta-title{font-size:clamp(24px,3.2vw,34px);line-height:1.3;color:#fff}
.cta-text{margin-top:14px;font-size:15px;color:#B9C6BF;line-height:1.85;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 表单 ---------- */
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:24px}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){ .form-grid{grid-template-columns:repeat(2,1fr)} .form-grid .full{grid-column:span 2} }
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:#C7D2CB;font-weight:600}
.field input,.field select,.field textarea{
  height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.05);padding:0 13px;font-size:14px;color:#fff;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.field textarea{height:94px;padding:11px 13px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#8C9A93}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(205,235,60,.22);
}
.field select option{color:#0E1512}
.form-hint{font-size:12px;color:#8C9A93;line-height:1.7}
.form-err{font-size:13px;color:#FF8E6B}
.form-submit{margin-top:18px;width:100%;background:var(--c-accent);color:#152312}
.form-submit:hover{background:#DDF65A}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-ink);color:#AEBAB3;padding:52px 0 26px;margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:700px){ .foot-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:17px;font-weight:700;color:#fff}
.foot-motto{font-size:14px;line-height:1.85;max-width:300px}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:#AEBAB3;transition:color .16s ease,transform .16s ease;display:inline-block}
.foot-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-note{font-size:14px;line-height:1.85}
.foot-btn{margin-top:14px}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:10px;font-size:13px;color:#83928B;
}
@media (min-width:768px){ .foot-bottom{flex-direction:row;align-items:center;justify-content:space-between} }

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-brand:#0E7A57;
  --c-brand-deep:#0A5440;
  --c-ink:#0E1512;
  --c-accent:#CDEB3C;
  --c-heat:#FF5A2B;
  --c-bg:#F4F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E3E7E0;
  --c-muted:#5C6862;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(205,235,60,.45)}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:24px 18px 26px;
  overflow-y:auto;
  z-index:60;
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 20px;border-bottom:1px solid var(--c-line)}
.brand-mark{display:inline-flex;flex:0 0 auto}
.brand-name{display:block;font-size:18px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.brand-sub{display:block;font-size:10.5px;letter-spacing:.24em;color:var(--c-muted);margin-top:2px}
.nav-block{margin-top:22px}
.nav-title{font-size:12px;color:var(--c-muted);letter-spacing:.16em;margin:0 0 10px 10px}
.nav-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-radius:10px;
  font-size:15px;
  color:#2A332F;
  transition:background .16s ease,color .16s ease;
}
.nav-dot{width:5px;height:5px;border-radius:50%;background:#C6D0CA;flex:0 0 auto;transition:background .16s}
.nav-link:hover{background:#F0F4EF;color:var(--c-brand)}
.nav-link:hover .nav-dot{background:var(--c-brand)}
.nav-link.active{background:#EAF3EE;color:var(--c-brand);font-weight:600}
.nav-link.active .nav-dot{background:var(--c-brand)}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-brand);
}
.sidebar-foot{margin-top:auto;padding-top:24px}
.side-note{font-size:12.5px;line-height:1.7;color:var(--c-muted);margin-bottom:12px}
.side-tel{font-size:12px;color:var(--c-muted);margin-top:12px}

.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface);
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .18s,opacity .18s}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;
  z-index:90;
  background:var(--c-surface);
  display:none;
  flex-direction:column;
  padding:18px 20px 26px;
  visibility:hidden;
  transform:translateX(100%);
  transition:transform .24s ease,visibility .24s ease;
  overflow-y:auto;
}
.drawer.open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{background:transparent;border:1px solid var(--c-line);border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:16px;color:var(--c-muted)}
.drawer-list{list-style:none;display:flex;flex-direction:column;gap:6px;margin:18px 0 0}
.drawer-list a{display:block;padding:14px 12px;border-radius:12px;font-size:19px;font-weight:600;border:1px solid transparent;transition:background .16s,color .16s,border-color .16s}
.drawer-list a:hover,.drawer-list a.active{background:#EFF4F0;color:var(--c-brand);border-color:#DCE7E0}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--c-line)}
.drawer-foot p{font-size:13.5px;color:var(--c-muted);margin-bottom:14px}

/* ---------- 主区域 ---------- */
.page{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
@media (min-width:1024px){.wrap{padding:0 48px}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .14s ease,color .14s ease,border-color .14s ease,transform .14s ease,box-shadow .14s ease;
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px)}
.btn-primary:active{background:#08432F}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#132312}
.btn-accent:hover{background:#BFDC33;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 14px;font-size:14px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:rgba(14,122,87,.1);
  color:var(--c-brand);
  font-size:13px;font-weight:600;
  white-space:nowrap;
}
.badge-light{background:rgba(205,235,60,.6);color:#22300F}
.badge-soft{background:#EFF4F0;color:#3C4A44;font-weight:500}

.card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6DFD8}
.card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--c-brand);opacity:0;transition:opacity .18s ease;
}
.card:hover::after{opacity:1}

/* ---------- 文章头部 ---------- */
.art-hero{padding:36px 0 0}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:12px;color:var(--c-muted);margin-bottom:18px}
.crumbs a{transition:color .14s}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{color:#BFC9C3}
.crumbs .crumb-cur{color:var(--c-brand);font-weight:600}
.art-title{
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  margin:14px 0 16px;
  max-width:900px;
}
.art-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--c-muted)}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3CCC6;display:inline-block}
.art-meta i{margin-right:5px;color:#8C9A93}
.art-cover{
  margin:28px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:#E9EDE7;
  box-shadow:var(--sh-1);
}
.art-cover img{width:100%;aspect-ratio:16/9;min-height:210px;object-fit:cover}

/* ---------- 正文布局 ---------- */
.art-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:52px;
  padding:48px 0 0;
}
@media (min-width:1280px){
  .art-layout{grid-template-columns:minmax(0,1fr) 236px;align-items:start}
}
.art-main{min-width:0}

.toc{display:none}
@media (min-width:1280px){
  .toc.is-visible{
    display:block;
    position:sticky;
    top:26px;
    align-self:start;
    max-height:calc(100vh - 52px);
    overflow:auto;
    padding-left:4px;
  }
}
.toc-title{font-size:12px;letter-spacing:.16em;color:var(--c-muted);margin-bottom:12px}
.toc-list{list-style:none;border-left:1px solid var(--c-line)}
.toc-list a{
  display:block;
  padding:7px 12px;
  margin-left:-1px;
  font-size:13.5px;
  line-height:1.6;
  color:#4A5A53;
  border-left:2px solid transparent;
  transition:color .15s,border-color .15s,background .15s;
}
.toc-list a:hover{color:var(--c-brand);border-left-color:var(--c-brand);background:#F1F6F2}

.art-body{
  max-width:820px;
  font-size:17px;
  line-height:1.9;
  color:#1B231F;
}
.art-body>*:first-child{margin-top:0}
.art-body p{margin:0 0 1.4em}
.art-body h2{
  position:relative;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  margin:2em 0 .8em;
  padding-left:14px;
  letter-spacing:-.01em;
}
.art-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--c-brand);
}
.art-body h3{font-size:19px;font-weight:700;line-height:1.5;margin:1.7em 0 .6em}
.art-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .5em}
.art-body ul,.art-body ol{margin:0 0 1.4em;padding-left:1.4em}
.art-body li{margin:.4em 0;line-height:1.8}
.art-body ul li{list-style:disc}
.art-body ol li{list-style:decimal}
.art-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  border-left:3px solid var(--c-brand);
  background:#EFF4F0;
  border-radius:0 12px 12px 0;
  color:#2C3833;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body img{border-radius:var(--r-img);margin:1.4em 0;height:auto;width:auto;max-width:100%}
.art-body a{color:var(--c-brand);border-bottom:1px solid rgba(14,122,87,.35);transition:border-color .15s}
.art-body a:hover{border-bottom-color:var(--c-brand)}
.art-body strong{font-weight:700}
.art-body hr{border:0;border-top:1px dashed #CFD8D2;margin:2.2em 0}
.art-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  line-height:1.7;
}
.art-body th,.art-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;white-space:nowrap}
.art-body thead th{background:#EFF4F0;font-weight:600}
.art-body tbody tr:nth-child(even){background:#FAFBF9}
.art-body pre{overflow:auto;background:var(--c-ink);color:#E7EFE9;padding:16px 18px;border-radius:12px;font-size:14px;line-height:1.7}
.art-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.94em}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed #D6DFD8;
  border-radius:var(--r-card);
  background:var(--c-surface);
  max-width:520px;
}
.empty-state i{font-size:34px;color:#9AA9A2}
.empty-state p{font-size:15px;color:var(--c-muted);margin:14px 0 20px}

/* ---------- 文章尾部 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:44px 0 0;padding-top:24px;border-top:1px solid var(--c-line);
}
.tag-row .tag{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:#EFF4F0;color:#3C4A44;
  transition:background .15s,color .15s;
}
.tag-row .tag:hover{background:#E3EDE7;color:var(--c-brand)}
.tag-label{font-size:12.5px;color:var(--c-muted);letter-spacing:.1em;margin-right:2px}

.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-item{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:var(--r-card);background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s,border-color .18s}
.pager-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6DFD8}
.pager-kicker{font-size:12px;color:var(--c-muted);letter-spacing:.14em}
.pager-title{font-size:16.5px;font-weight:600;line-height:1.5}
.pager-item:hover .pager-title{color:var(--c-brand)}
.pager-link{font-size:13px;color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}

.section{padding:64px 0}
@media (max-width:767px){.section{padding:44px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.sec-title{font-size:26px;line-height:1.35}
@media (max-width:767px){.sec-title{font-size:22px}}
.sec-desc{font-size:14.5px;color:var(--c-muted);max-width:620px;margin-top:10px;line-height:1.8}

.grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.grid-3{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.post-card{display:flex;flex-direction:column;height:100%}
.post-thumb{aspect-ratio:3/2;overflow:hidden;background:#E9EDE7;position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17px;font-weight:600;line-height:1.5;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .15s}
.card:hover .post-title{color:var(--c-brand)}
.post-ex{font-size:14px;color:var(--c-muted);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--c-muted)}
.post-more{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .15s}
.card:hover .post-more{gap:10px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-ink);
  color:#EAF1EC;
  border-radius:18px;
  padding:36px 28px;
  display:grid;
  gap:24px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-60px;right:-40px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(205,235,60,.16),transparent 70%);
}
@media (min-width:900px){.cta-band{grid-template-columns:1.45fr .85fr;align-items:center;padding:48px 44px}}
.cta-title{font-size:26px;line-height:1.4;color:#fff;margin-bottom:12px}
@media (max-width:767px){.cta-title{font-size:22px}}
.cta-text{font-size:15px;line-height:1.85;color:#A9B8B1;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative}
@media (min-width:900px){.cta-actions{justify-content:flex-end}}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-ink);color:#C9D4CE;margin-top:40px;padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:17px;font-weight:700;color:#fff}
.foot-motto{font-size:13.5px;line-height:1.8;color:#8E9E97;max-width:280px}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-links{list-style:none}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:#A9B8B1;transition:color .15s}
.foot-links a:hover{color:var(--c-accent)}
.foot-note{font-size:13.5px;line-height:1.8;color:#8E9E97}
.foot-btn{margin-top:14px}
.foot-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;
  font-size:12.5px;color:#7C8B84;
}
.foot-bottom a{color:#83928B}
.foot-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式：移动端导航 ---------- */
@media (max-width:1023px){
  .sidebar{
    position:sticky;
    top:0;left:0;right:0;bottom:auto;
    width:100%;
    height:56px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:0 16px;
    overflow:visible;
    border-right:0;
    border-bottom:1px solid var(--c-line);
    box-shadow:0 1px 2px rgba(14,21,18,.05);
  }
  .brand{padding:0;border-bottom:0;gap:10px}
  .brand-mark svg{width:28px;height:28px}
  .brand-name{font-size:16px}
  .brand-sub{display:none}
  .nav-block,.sidebar-foot{display:none}
  .menu-toggle{display:inline-flex}
  .drawer{display:flex}
  .page{margin-left:0}
  .art-hero{padding:26px 0 0}
  .art-layout{padding:34px 0 0;gap:36px}
  .art-cover{margin-top:22px}
  .art-cover img{min-height:190px}
  .cta-band{padding:32px 22px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E7A57;
  --c-brand-deep:#0A5440;
  --c-ink:#0E1512;
  --c-accent:#CDEB3C;
  --c-heat:#FF5A2B;
  --c-bg:#F4F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E3E7E0;
  --c-muted:#5C6862;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
  --side-w:248px;
  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{display:none}
@media (min-width:1024px){
  .sidebar{
    display:flex;flex-direction:column;gap:26px;
    position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
    background:var(--c-surface);border-right:1px solid var(--c-line);
    padding:26px 20px;overflow-y:auto;z-index:50;
  }
  .site-main,.site-foot{margin-left:var(--side-w)}
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:rgba(14,122,87,.08);flex:0 0 auto}
.brand-name{display:block;font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.brand-sub{display:block;font-size:10px;font-weight:600;letter-spacing:.22em;color:var(--c-muted)}
.nav-title{font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--c-muted);margin-bottom:12px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:15px;color:var(--c-muted);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(14,122,87,.07);color:var(--c-brand)}
.nav-link:active{filter:brightness(.94)}
.nav-link.active{background:rgba(14,122,87,.09);color:var(--c-brand);font-weight:600}
.nav-link.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-brand)}
.nav-dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;flex:0 0 auto}
.sidebar-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:12px}
.side-note{font-size:13px;line-height:1.75;color:var(--c-muted)}
.side-tel{font-size:12px;color:var(--c-muted)}

/* ---------- 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;cursor:pointer;
  transition:transform .12s ease,background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease;
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.36);color:#fff}
.btn-ghost-light:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#152210}
.btn-accent:hover{background:#DBF452;transform:translateY(-1px);box-shadow:0 14px 32px -14px rgba(205,235,60,.6)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn:active{filter:brightness(.95);transform:translateY(0)}

/* ---------- 移动端导航 ---------- */
.mobilebar{
  position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 16px;background:var(--c-surface);border-bottom:1px solid var(--c-line);
}
@media (min-width:1024px){.mobilebar{display:none}}
.mobilebar .brand-name{font-size:16px}
.mobilebar .brand-mark{width:36px;height:36px;border-radius:10px}
.menu-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;transition:.18s;
}
.menu-btn:hover{border-color:var(--c-brand);color:var(--c-brand)}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;margin:2.5px 0}
.drawer{
  position:fixed;left:0;right:0;top:56px;bottom:0;z-index:55;
  background:var(--c-surface);padding:20px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .25s ease;
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open{transform:translateX(0)}
.drawer .nav-link{font-size:17px;padding:14px 16px;border-radius:12px;background:var(--c-bg);color:var(--c-ink)}
.drawer .nav-link.active{background:rgba(14,122,87,.10);color:var(--c-brand)}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:12px}
@media (min-width:1024px){.drawer{display:none}}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;padding:64px 0 56px;
  background-color:var(--c-ink);
  background-image:linear-gradient(180deg,rgba(14,21,18,.76),rgba(14,21,18,.68)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
@media (min-width:1024px){.page-hero{padding:88px 0 76px}}
.hero-grid{display:grid;gap:36px}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.62);margin-bottom:18px}
.crumbs a{transition:color .18s}
.crumbs a:hover{color:var(--c-accent)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--c-accent)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  max-width:14em;
}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.hero-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.22);
}
.hero-panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:26px 24px;
}
.hero-panel-title{font-size:12px;letter-spacing:.16em;font-weight:700;color:rgba(255,255,255,.6);margin-bottom:8px}
.hero-stat{display:flex;align-items:baseline;gap:10px;padding:14px 0;border-top:1px solid rgba(255,255,255,.10)}
.hero-stat:first-of-type{border-top:0;padding-top:8px}
.hero-stat b{font-size:30px;font-weight:700;letter-spacing:-.01em}
.hero-stat b em{font-size:13px;font-style:normal;font-weight:600;color:var(--c-accent);margin-left:4px}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68)}

/* ---------- 分类 chips ---------- */
.chips-band{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.chips{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg);font-size:14px;color:var(--c-muted);
  white-space:nowrap;transition:.18s ease;
}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand)}
.chip.is-active{background:rgba(14,122,87,.10);border-color:rgba(14,122,87,.34);color:var(--c-brand);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.band-surface{background:var(--c-surface)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--c-brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent)}
.section-head h2{font-size:clamp(24px,3vw,30px);line-height:1.32;font-weight:700;letter-spacing:-.01em;margin-top:14px}
.section-head h2::after{content:"";display:block;width:48px;height:3px;border-radius:2px;background:var(--c-accent);margin-top:14px}
.section-head p{margin-top:16px;font-size:16px;color:var(--c-muted);max-width:44em}

/* ---------- 参数条 ---------- */
.specs{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
@media (min-width:768px){.specs{grid-template-columns:repeat(4,minmax(0,1fr))}}
.spec{background:var(--c-surface);padding:24px 20px}
.spec-num{font-size:32px;font-weight:700;line-height:1.1;letter-spacing:-.02em}
.spec-num span{font-size:13px;font-weight:600;color:var(--c-muted);margin-left:5px;letter-spacing:0}
.spec-label{margin-top:8px;font-size:13px;line-height:1.7;color:var(--c-muted)}

/* ---------- 图文交替设备行 ---------- */
.device-row{
  display:grid;gap:26px;align-items:center;
  padding:30px 0;border-bottom:1px dashed rgba(14,21,18,.12);
}
.device-row:first-of-type{padding-top:8px}
.device-row:last-of-type{border-bottom:0;padding-bottom:8px}
@media (min-width:1024px){
  .device-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;padding:44px 0}
  .device-row.flip .device-media{order:2}
}
.device-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-bg);
  box-shadow:var(--sh-1);
}
.device-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease}
.device-row:hover .device-media img{transform:scale(1.03)}
.device-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(14,122,87,.14),rgba(14,21,18,.05));
}
.device-no{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--c-brand)}
.device-copy h3{margin-top:12px;font-size:22px;font-weight:700;letter-spacing:-.01em}
.device-copy > p{margin-top:12px;color:var(--c-muted);font-size:16px;max-width:34em}
.tick-list{margin-top:20px;display:flex;flex-direction:column;gap:11px}
.tick-list li{position:relative;padding-left:28px;font-size:15px;line-height:1.75;color:#243029}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:8px;width:13px;height:7px;
  border-left:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:rotate(-45deg);border-radius:1px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(14,122,87,.10);color:var(--c-brand);
}
.tag.accent{background:var(--c-accent);color:#152210}

/* ---------- 配置组合横带 ---------- */
.combo{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;overflow:hidden;height:100%;
}
.combo::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.combo:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,122,87,.28)}
.combo:hover::before{transform:scaleX(1)}
.combo-no{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--c-brand)}
.combo h3{margin-top:10px;font-size:18px;font-weight:700}
.combo p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-muted)}
.combo ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.combo ul li{font-size:14px;color:#243029;padding-left:16px;position:relative}
.combo ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ---------- 场景 ---------- */
.scene{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;height:100%;transition:transform .2s ease,box-shadow .2s ease;
  position:relative;overflow:hidden;
}
.scene::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene:hover::before{transform:scaleX(1)}
.scene-no{
  display:inline-block;font-size:22px;font-weight:700;color:var(--c-brand);
  padding-bottom:4px;border-bottom:2px solid var(--c-accent);letter-spacing:.02em;
}
.scene h3{margin-top:16px;font-size:18px;font-weight:700}
.scene .scene-for{margin-top:8px;font-size:13px;color:var(--c-muted)}
.scene p{margin-top:12px;font-size:14px;line-height:1.8;color:#243029}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-brand);border-color:rgba(14,122,87,.32);background:#FBFCFA}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;font-size:17px;font-weight:600;line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{font-weight:700;color:var(--c-brand);min-width:26px}
.faq-plus{margin-left:auto;position:relative;width:18px;height:18px;flex:0 0 auto;margin-top:6px}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 22px 22px 62px;font-size:15px;line-height:1.88;color:var(--c-muted)}

/* ---------- 相邻分类 ---------- */
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.rel-card img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease}
.rel-card:hover img{transform:scale(1.04)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px;font-weight:700;transition:color .18s ease}
.rel-card:hover .rel-body h3{color:var(--c-brand)}
.rel-body p{font-size:14px;line-height:1.8;color:var(--c-muted)}
.rel-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px}

/* ---------- CTA 与表单 ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:64px 0}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-grid{display:grid;gap:40px}
@media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:64px;align-items:start}}
.cta-band h2{font-size:clamp(24px,3vw,30px);line-height:1.32;font-weight:700;letter-spacing:-.01em}
.cta-band .cta-lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);max-width:32em}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{position:relative;padding-left:28px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li::before{
  content:"";position:absolute;left:2px;top:8px;width:13px;height:7px;
  border-left:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(-45deg);border-radius:1px;
}
.form-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:26px 24px}
.form-grid{display:grid;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;color:rgba(255,255,255,.78)}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.10);
  box-shadow:0 0 0 3px rgba(205,235,60,.22);
}
.field select option{color:#0E1512}
.form-tip{font-size:13px;line-height:1.75;color:rgba(255,255,255,.55);margin-top:14px}
.form-error{font-size:13px;color:var(--c-heat)}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-ink);color:#C9D2CD;padding:64px 0 28px}
.foot-grid{display:grid;gap:36px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:18px;font-weight:700;color:#fff}
.foot-motto{font-size:14px;line-height:1.85;color:#9AA8A1;max-width:22em}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:#9AA8A1;transition:color .18s ease}
.foot-links a:hover{color:var(--c-accent)}
.foot-note{font-size:14px;line-height:1.85;color:#9AA8A1}
.foot-btn{margin-top:16px;display:inline-flex}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7C8B84;
}
.foot-bottom a{transition:color .18s ease}
.foot-bottom a:hover{color:var(--c-accent)}

@media (max-width:640px){
  .wrap{padding:0 18px}
  .page-hero{padding:44px 0 40px}
  .hero-stat b{font-size:26px}
  .spec-num{font-size:28px}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-answer{padding:0 18px 18px 18px}
  .btn{height:46px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E7A57;
  --c-brand-deep:#0A5440;
  --c-ink:#0E1512;
  --c-accent:#CDEB3C;
  --c-heat:#FF5A2B;
  --c-bg:#F4F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E3E7E0;
  --c-muted:#5C6862;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:26px 18px 20px;z-index:80;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 22px;}
.brand-mark{display:inline-flex;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.22em;color:var(--c-muted);margin-top:3px}
.nav-block{flex:1;overflow-y:auto;padding-top:6px}
.nav-title{font-size:12px;letter-spacing:.18em;color:var(--c-muted);padding:0 10px 12px}
.nav-list li{margin-bottom:4px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:15px;color:var(--c-muted);
  transition:background .15s ease,color .15s ease;
}
.nav-dot{width:6px;height:6px;border-radius:50%;background:#C6CEC7;flex:none;transition:background .15s ease}
.nav-link:hover{background:#F2F4EF;color:var(--c-ink)}
.nav-link.active{background:rgba(14,122,87,.09);color:var(--c-brand-deep);font-weight:600}
.nav-link.active .nav-dot{background:var(--c-brand)}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-brand);
}
.sidebar-foot{border-top:1px solid var(--c-line);padding-top:16px;margin-top:12px}
.side-note{font-size:13px;line-height:1.75;color:var(--c-muted);margin-bottom:14px}
.side-tel{font-size:12.5px;color:var(--c-muted);margin:12px 0 0}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;padding:0 14px;
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px}
.burger{
  width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px}
.backdrop{
  display:none;position:fixed;inset:0;background:rgba(14,21,18,.5);z-index:75;
}
.backdrop.show{display:block}

/* ---------- 主体 ---------- */
.main{margin-left:var(--side-w);min-height:100vh}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:84px 0}
.section-tight{padding:60px 0}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-head h2{font-size:30px}
.sec-head p{color:var(--c-muted);margin-top:14px;font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;
  color:var(--c-brand);font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0E1512}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.92}
.hero-veil{position:absolute;inset:0;background:linear-gradient(118deg,rgba(14,21,18,.88) 0%,rgba(10,84,64,.74) 100%)}
.hero-inner{position:relative;padding:50px 0 54px;color:#fff}
.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumb a:hover{color:#fff}
.crumb-cur{color:var(--c-accent)}
.hero h1{font-size:40px;color:#fff;margin-top:14px;letter-spacing:-.02em}
.hero-sub{margin-top:14px;font-size:17.5px;line-height:1.75;color:rgba(255,255,255,.88);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.8)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background .12s ease,color .12s ease,transform .12s ease,border-color .12s ease,box-shadow .12s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.92)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-outline{border-color:var(--c-line);background:#fff;color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand-deep);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#0E1512}
.btn-accent:hover{background:#DDF25E;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(14,122,87,.12);color:var(--c-brand-deep);
}
.badge-accent{background:var(--c-accent);color:#0E1512}
.badge-ink{background:rgba(255,255,255,.14);color:#fff}
.tag{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap}
.tag-low{background:rgba(14,122,87,.1);color:var(--c-brand-deep)}
.tag-mid{background:rgba(205,235,60,.4);color:#3D4C09}
.tag-high{background:rgba(255,90,43,.13);color:#B33A12}
.tag-rest{background:#EDF0E9;color:var(--c-muted)}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 8px}
.chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:14px;color:var(--c-muted);transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand-deep)}
.chip.is-on{background:rgba(14,122,87,.1);border-color:rgba(14,122,87,.3);color:var(--c-brand-deep);font-weight:600}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:8px}
.step{position:relative;border-top:1px dashed #C7D1C8;padding:24px 8px 0 0}
.step::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;
  background:#fff;border:2px solid var(--c-brand);
}
.step-num{
  font-size:13px;letter-spacing:.14em;color:var(--c-muted);font-variant-numeric:tabular-nums;
  display:inline-block;padding-bottom:4px;border-bottom:2px solid var(--c-accent);margin-bottom:12px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  position:relative;display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;z-index:2;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card:hover::before{transform:scaleX(1)}
.card-img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18.5px;margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0 0 16px}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-muted)}
.card-link{color:var(--c-brand-deep);font-weight:600}
.card-link:hover{color:var(--c-brand)}

/* ---------- 训练节奏表 ---------- */
.rhythm{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.rhythm-head{
  display:grid;grid-template-columns:132px 1fr 132px;gap:16px;padding:14px 24px;
  background:#F7F8F4;border-bottom:1px solid var(--c-line);
  font-size:12.5px;letter-spacing:.1em;color:var(--c-muted);
}
.rhythm-row{
  display:grid;grid-template-columns:132px 1fr 132px;gap:16px;align-items:center;
  padding:16px 24px;border-top:1px solid var(--c-line);font-size:15px;transition:background .15s ease;
}
.rhythm-row:first-of-type{border-top:0}
.rhythm-row:hover{background:#FAFBF8}
.rhythm-day{font-weight:700;font-variant-numeric:tabular-nums}
.rhythm-text{color:var(--c-muted);font-size:14.5px}
.rhythm-tag{text-align:right}
.rhythm-note{margin-top:16px;font-size:13.5px;color:var(--c-muted)}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.metric{padding:26px 24px;border-left:1px solid var(--c-line)}
.metric:first-child{border-left:0}
.metric-val{font-size:34px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric-val small{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:6px;letter-spacing:0}
.metric-label{margin-top:8px;font-size:14px;color:var(--c-muted)}

/* ---------- 队伍卡 ---------- */
.team-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.team-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,122,87,.35)}
.team-icon{
  width:38px;height:38px;border-radius:10px;background:rgba(14,122,87,.1);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.team-card h3{font-size:17.5px;margin-bottom:8px}
.team-card p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{border-color:#CFD8CF}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;display:block;
  padding:18px 54px 18px 56px;font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qnum{
  position:absolute;left:22px;top:20px;font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:15px;font-size:21px;font-weight:400;color:var(--c-brand);
  transition:transform .18s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-brand),var(--sh-1);background:#FBFCFA}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 54px 20px 56px;font-size:15px;line-height:1.85;color:var(--c-muted)}

/* ---------- 相关分类 ---------- */
.rel-card{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,122,87,.3)}
.rel-card img{width:92px;height:74px;border-radius:10px;object-fit:cover;flex:none}
.rel-card h3{font-size:16.5px;margin-bottom:6px}
.rel-card p{font-size:13.5px;color:var(--c-muted);margin:0;line-height:1.7}

/* ---------- CTA / 表单 ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:76px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:start}
.cta-band h2{font-size:30px;color:#fff}
.cta-band .cta-lead{margin-top:16px;font-size:16px;line-height:1.9;color:#B9C6BE;max-width:460px}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:#CBD8D0}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:10px;flex:none}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-2)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--c-muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--c-muted);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;background:#fff;font-size:15px;transition:border-color .15s ease,box-shadow .15s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,122,87,.15);
}
.form-msg{display:none;margin-top:14px;font-size:13.5px;color:var(--c-brand-deep);background:rgba(14,122,87,.09);border-radius:10px;padding:10px 14px}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-ink);color:#C9D2CB;margin-left:var(--side-w);padding:64px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:18px;font-weight:700;color:#fff}
.foot-motto{font-size:14px;line-height:1.9;color:#A9B6AE;max-width:320px;margin:0}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:#A9B6AE;transition:color .15s ease}
.foot-links a:hover{color:var(--c-accent)}
.foot-note{font-size:14px;line-height:1.9;color:#A9B6AE;margin:0}
.foot-btn{margin-top:16px}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#83928B;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wrap{padding:0 26px}
  .hero h1{font-size:36px}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-102%);transition:transform .28s ease;width:284px;
    height:100dvh;overflow-y:auto;box-shadow:0 20px 50px rgba(14,21,18,.28);
  }
  .sidebar.open{transform:none}
  .topbar{display:flex}
  .main,.site-foot{margin-left:0}
  .main{padding-top:56px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px 22px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0;border-top:1px solid var(--c-line)}
  .metric:nth-child(4){border-top:1px solid var(--c-line)}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero-inner{padding:36px 0 44px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .sec-head h2{font-size:24px}
  .grid-2{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:20px}
  .rhythm-head{display:none}
  .rhythm-row{grid-template-columns:1fr auto;gap:6px 12px;padding:15px 18px}
  .rhythm-day{grid-column:1 / -1}
  .rhythm-tag{text-align:right}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media (max-width:639px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:22px}
  .step{border-top:0;border-left:1px dashed #C7D1C8;padding:0 0 0 20px}
  .step::before{top:6px;left:-5px}
  .metrics{grid-template-columns:1fr}
  .metric{border-left:0;border-top:1px solid var(--c-line);padding:20px}
  .metric:first-child{border-top:0}
  .faq-item summary{padding:16px 46px 16px 46px;font-size:16px}
  .faq-item summary .qnum{left:16px;top:18px}
  .faq-item summary::after{right:16px}
  .faq-a{padding:0 20px 18px 46px;font-size:14.5px}
  .rel-card img{width:76px;height:64px}
  .metric-val{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
    --c-brand:#0E7A57;
    --c-brand-deep:#0A5440;
    --c-ink:#0E1512;
    --c-accent:#CDEB3C;
    --c-heat:#FF5A2B;
    --c-bg:#F4F5F1;
    --c-surface:#FFFFFF;
    --c-line:#E3E7E0;
    --c-muted:#5C6862;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(14,21,18,.06);
    --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
    --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.8;
    letter-spacing:.005em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,textarea,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}

  /* ---------- 左侧竖向导航 ---------- */
  .sidebar{
    position:fixed;inset:0 auto 0 0;width:248px;
    background:var(--c-surface);border-right:1px solid var(--c-line);
    display:flex;flex-direction:column;
    padding:26px 20px 22px;z-index:60;
  }
  .brand{display:flex;align-items:center;gap:10px;padding:6px 6px 18px}
  .brand-mark{display:inline-flex;flex:0 0 auto}
  .brand-text{display:flex;flex-direction:column;line-height:1.2}
  .brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em}
  .brand-sub{font-size:10.5px;letter-spacing:.18em;color:var(--c-muted)}
  .nav-block{margin-top:6px;flex:1 1 auto;overflow-y:auto}
  .nav-title{font-size:12px;letter-spacing:.14em;color:var(--c-muted);padding:0 8px 10px}
  .nav-list{display:flex;flex-direction:column;gap:2px}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    padding:11px 12px 11px 14px;border-radius:10px;
    font-size:15px;color:#2C3A34;transition:background .16s ease,color .16s ease;
  }
  .nav-dot{width:6px;height:6px;border-radius:999px;background:var(--c-line);flex:0 0 auto;transition:background .16s ease}
  .nav-link:hover{background:#F1F4EF;color:var(--c-brand)}
  .nav-link:hover .nav-dot{background:var(--c-brand)}
  .nav-link.active{background:#EAF4EF;color:var(--c-brand-deep);font-weight:600}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:0 3px 3px 0;background:var(--c-brand);
  }
  .nav-link.active .nav-dot{background:var(--c-brand)}
  .sidebar-foot{border-top:1px dashed #DCE3DB;padding-top:18px;margin-top:14px}
  .side-note{font-size:13px;line-height:1.75;color:var(--c-muted);margin-bottom:12px}
  .side-tel{font-size:12.5px;color:var(--c-muted);margin-top:10px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1px solid transparent;border-radius:var(--r-btn);
    padding:13px 22px;font-size:15px;font-weight:600;cursor:pointer;
    transition:transform .12s ease,background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
  }
  .btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-primary:active{filter:brightness(.92)}
  .btn-accent{background:var(--c-accent);color:#14210F}
  .btn-accent:hover{background:#BEDA2F;transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-accent:active{filter:brightness(.94)}
  .btn-ghost{background:transparent;border-color:#C9D3CB;color:var(--c-ink)}
  .btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
  .btn-light{background:#fff;color:var(--c-ink)}
  .btn-light:hover{background:#EEF2EC;transform:translateY(-1px)}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
  .btn-sm{padding:10px 16px;font-size:14px}

  /* ---------- 移动端顶栏 ---------- */
  .topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
    background:#fff;border-bottom:1px solid var(--c-line);
    align-items:center;justify-content:space-between;padding:0 16px;
  }
  .topbar .brand{padding:0;gap:8px}
  .topbar .brand-name{font-size:16.5px}
  .topbar .brand-sub{display:none}
  .burger{
    width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
  .burger span::before,.burger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  }
  .burger span::before{top:-6px}
  .burger span::after{top:6px}
  .scrim{
    position:fixed;inset:0;background:rgba(14,21,18,.45);z-index:55;
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  }
  .scrim.show{opacity:1;visibility:visible}

  /* ---------- 主内容 ---------- */
  .main{margin-left:248px;min-height:100vh}

  /* Hero */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line)}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-3.webp");
    background-size:cover;background-position:center;
  }
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(14,21,18,.86) 8%,rgba(14,21,18,.62) 58%,rgba(10,84,64,.62) 100%);
  }
  .hero-inner{position:relative;padding:44px 40px 52px;max-width:1180px;margin:0 auto;color:#fff}
  .crumb{font-size:12px;color:rgba(255,255,255,.72);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
  .crumb a{color:rgba(255,255,255,.72)}
  .crumb a:hover{color:#fff}
  .crumb .cur{color:var(--c-accent)}
  .hero h1{
    font-size:clamp(32px,4vw,44px);line-height:1.28;font-weight:700;letter-spacing:-.01em;
    margin:18px 0 14px;max-width:760px;
  }
  .hero-lead{max-width:640px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.9)}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .pill{
    display:inline-flex;align-items:center;gap:7px;border-radius:999px;
    padding:7px 14px;font-size:13.5px;
    background:rgba(255,255,255,.12);color:#EAF3EE;border:1px solid rgba(255,255,255,.22);
  }
  .pill-accent{background:var(--c-accent);color:#14210F;border-color:transparent;font-weight:600}

  /* 通用板块 */
  .sec{padding:88px 0}
  .sec-tight{padding:64px 0}
  .sec-head{max-width:760px;margin-bottom:38px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;
    color:var(--c-brand);font-weight:600;text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-brand);border-radius:2px}
  h2.sec-title{font-size:clamp(24px,2.6vw,31px);line-height:1.36;font-weight:700;letter-spacing:-.01em;margin:14px 0 12px}
  .sec-desc{color:var(--c-muted);font-size:16px;line-height:1.85;max-width:720px}
  .divider-runway{
    height:6px;width:100%;
    background-image:repeating-linear-gradient(90deg,#C9D3CB 0 12px,transparent 12px 26px);
    opacity:.5;border-radius:2px;
  }

  /* 筛选 chips */
  .chips{display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}
  .chip{
    flex:0 0 auto;padding:9px 16px;border-radius:999px;border:1px solid var(--c-line);
    background:#fff;font-size:14px;color:#3A4741;transition:all .16s ease;cursor:pointer;
  }
  .chip:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
  .chip.on{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}

  /* 场景大图卡 */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scene-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-1);position:relative;
    display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;
  }
  .scene-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-brand);
    transform:scaleX(0);transform-origin:left;transition:transform .22s ease;z-index:2;
  }
  .scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .scene-card:hover::before{transform:scaleX(1)}
  .scene-card.wide{grid-column:span 2;flex-direction:row}
  .scene-card.wide .scene-media{width:52%;flex:0 0 52%;aspect-ratio:auto;min-height:280px}
  .scene-card.wide .scene-body{padding:32px 30px}
  .scene-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:#E7EBE5}
  .scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .scene-card:hover .scene-media img{transform:scale(1.04)}
  .scene-tag{
    position:absolute;top:12px;left:12px;z-index:2;
    background:rgba(14,21,18,.72);color:#fff;font-size:12.5px;padding:5px 11px;border-radius:999px;
    backdrop-filter:blur(2px);
  }
  .scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
  .scene-body h3{font-size:19.5px;font-weight:700;line-height:1.45;margin-bottom:10px}
  .scene-body p{font-size:15px;line-height:1.85;color:var(--c-muted)}
  .scene-foot{
    margin-top:18px;padding-top:14px;border-top:1px dashed #DCE3DB;
    display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;
  }
  .scene-foot .val{font-size:20px;font-weight:700;color:var(--c-brand-deep);letter-spacing:-.01em}
  .scene-foot .unit{font-size:12.5px;color:var(--c-muted)}

  /* 指标带 */
  .statband{background:var(--c-ink);color:#fff;border-radius:18px;padding:34px 30px;position:relative;overflow:hidden}
  .statband::after{
    content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(205,235,60,.18),transparent 68%);
  }
  .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
  .stat-item{padding-left:20px;border-left:1px solid rgba(255,255,255,.16)}
  .stat-item:first-child{border-left:0;padding-left:0}
  .stat-val{font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1.1;color:#fff}
  .stat-val em{font-style:normal;font-size:15px;font-weight:600;color:var(--c-accent);margin-left:6px}
  .stat-label{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:10px;line-height:1.7}

  /* 现场节奏时间线 */
  .flow{position:relative;margin-top:8px}
  .flow::before{
    content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;
    background:repeating-linear-gradient(180deg,#C9D3CB 0 8px,transparent 8px 16px);
  }
  .flow-item{position:relative;display:flex;gap:22px;padding:0 0 30px 0}
  .flow-item:last-child{padding-bottom:0}
  .flow-no{
    position:relative;z-index:1;flex:0 0 auto;width:40px;height:40px;border-radius:50%;
    background:#fff;border:1px solid var(--c-line);color:var(--c-brand-deep);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .flow-item:hover .flow-no{border-color:var(--c-brand);background:#EAF4EF}
  .flow-text h3{font-size:17.5px;font-weight:700;margin-bottom:6px}
  .flow-text p{font-size:15px;color:var(--c-muted);line-height:1.85;max-width:660px}
  .flow-time{
    display:inline-block;margin-top:8px;font-size:12.5px;color:var(--c-brand-deep);
    background:#EAF4EF;border-radius:999px;padding:3px 10px;
  }

  /* 双栏图文 */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
  .split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
  .split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
  .check-list li{display:flex;gap:12px;font-size:15.5px;color:#2E3A35;line-height:1.8}
  .check-list li::before{
    content:"";flex:0 0 auto;width:20px;height:20px;margin-top:5px;border-radius:6px;
    background:#EAF4EF url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.4l2.4 2.3L10 3' stroke='%230E7A57' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px 13px no-repeat;
  }

  /* FAQ */
  .faq{border-top:1px solid var(--c-line)}
  .faq details{border-bottom:1px solid var(--c-line);background:transparent;transition:background .18s ease}
  .faq details[open]{background:#FBFCFA}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
    padding:20px 18px;font-size:17px;font-weight:600;line-height:1.6;
    transition:color .16s ease,padding .16s ease;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--c-brand)}
  .faq details[open] summary{color:var(--c-brand-deep);padding-left:22px;border-left:3px solid var(--c-brand)}
  .faq .idx{font-variant-numeric:tabular-nums;color:var(--c-muted);font-size:14px;font-weight:600;padding-top:3px}
  .faq .qtext{flex:1 1 auto}
  .faq .ico{
    flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);
    display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
    color:var(--c-brand);margin-top:2px;background:#fff;
  }
  .faq details[open] .ico{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
  .faq details[open] .ico::before{content:"–"}
  .faq details:not([open]) .ico::before{content:"+"}
  .faq-ans{padding:0 62px 22px 56px;font-size:15px;line-height:1.9;color:#39453F}

  /* 相邻分类互链 */
  .link-card{
    display:flex;flex-direction:column;gap:10px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:24px 22px;box-shadow:var(--sh-1);position:relative;
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .link-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;border-radius:var(--r-card) var(--r-card) 0 0;
    background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
  }
  .link-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFDACF}
  .link-card:hover::before{transform:scaleX(1)}
  .link-card h3{font-size:18px;font-weight:700}
  .link-card p{font-size:14.5px;color:var(--c-muted);line-height:1.8}
  .link-more{font-size:14px;color:var(--c-brand);font-weight:600;display:inline-flex;gap:6px;align-items:center;margin-top:4px}
  .link-card:hover .link-more{gap:10px}

  /* CTA */
  .cta{background:var(--c-ink);color:#fff;border-radius:20px;padding:52px 46px;position:relative;overflow:hidden}
  .cta::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:5px;
    background-image:repeating-linear-gradient(90deg,var(--c-accent) 0 26px,transparent 26px 48px);
    opacity:.55;
  }
  .cta-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
  .cta h2{font-size:clamp(24px,2.6vw,31px);line-height:1.4;font-weight:700;letter-spacing:-.01em}
  .cta p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.76);max-width:600px}
  .cta-actions{display:flex;flex-direction:column;gap:12px}

  /* 页脚 */
  .site-foot{background:var(--c-ink);color:#C7D3CC;margin-top:0;padding:64px 0 26px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .foot-brand-name{font-size:18px;font-weight:700;color:#fff}
  .foot-motto{font-size:14px;line-height:1.9;color:#93A39A;max-width:320px}
  .foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
  .foot-links{display:flex;flex-direction:column;gap:11px}
  .foot-links a{font-size:14px;color:#C7D3CC;transition:color .16s ease}
  .foot-links a:hover{color:var(--c-accent)}
  .foot-note{font-size:14px;line-height:1.85;color:#93A39A}
  .foot-btn{margin-top:14px}
  .foot-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#83928B;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .scene-grid{grid-template-columns:repeat(2,1fr)}
    .scene-card.wide{grid-column:span 2;flex-direction:column}
    .scene-card.wide .scene-media{width:100%;flex:0 0 auto;aspect-ratio:16/9;min-height:0}
  }
  @media (max-width:1023px){
    .topbar{display:flex}
    .sidebar{
      transform:translateX(-102%);width:300px;max-width:86vw;
      transition:transform .28s ease;box-shadow:var(--sh-2);
      padding-top:22px;
    }
    .sidebar.open{transform:translateX(0)}
    .main{margin-left:0;padding-top:56px}
    .sec{padding:64px 0}
    .wrap{padding:0 22px}
    .hero-inner{padding:36px 22px 44px}
    .split{grid-template-columns:1fr;gap:30px}
    .cta-grid{grid-template-columns:1fr;gap:28px}
    .cta{padding:40px 26px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:767px){
    body{font-size:16px}
    .scene-grid{grid-template-columns:1fr}
    .scene-card.wide{grid-column:span 1}
    .stat-grid{grid-template-columns:1fr 1fr;gap:26px 18px}
    .stat-item{padding-left:16px}
    .stat-item:nth-child(odd){border-left:0;padding-left:0}
    .faq-ans{padding:0 20px 20px 56px}
    .foot-grid{grid-template-columns:1fr}
    .foot-bottom{flex-direction:column;gap:8px}
  }
  @media (max-width:520px){
    .wrap{padding:0 16px}
    .hero-inner{padding:30px 16px 38px}
    .hero h1{font-size:29px}
    .sec{padding:52px 0}
    .statband{padding:26px 20px}
    .scene-body{padding:18px}
    .scene-card.wide .scene-body{padding:20px 18px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
  }

/* roulang page: category4 */
:root{
  --c-brand:#0E7A57;
  --c-brand-deep:#0A5440;
  --c-ink:#0E1512;
  --c-accent:#CDEB3C;
  --c-heat:#FF5A2B;
  --c-bg:#F4F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E3E7E0;
  --c-muted:#5C6862;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 12px 32px -12px rgba(14,21,18,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- 容器 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 28px;width:100%}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:26px;
  overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex;flex:0 0 auto}
.brand-name{display:block;font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.brand-sub{display:block;font-size:10px;letter-spacing:.2em;color:var(--c-muted);line-height:1.6}
.nav-title{font-size:12px;letter-spacing:.16em;color:var(--c-muted);margin-bottom:10px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;color:#243029;
  transition:background .15s ease,color .15s ease;
}
.nav-link .nav-dot{width:6px;height:6px;border-radius:50%;background:var(--c-line);flex:0 0 6px;transition:background .15s ease}
.nav-link:hover{background:#EFF3EF;color:var(--c-brand)}
.nav-link:hover .nav-dot{background:var(--c-accent)}
.nav-link.active{background:rgba(14,122,87,.08);color:var(--c-brand);font-weight:600}
.nav-link.active .nav-dot{background:var(--c-brand)}
.nav-link.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--c-brand)}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--c-line);padding-top:16px}
.side-note{font-size:13px;line-height:1.75;color:var(--c-muted);margin-bottom:12px}
.side-tel{font-size:12px;color:var(--c-muted);margin-top:10px}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  position:sticky;top:0;z-index:70;height:56px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(160%) blur(8px);
}
.topbar .brand-name{font-size:16px}
.burger{
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
  transition:border-color .15s ease,background .15s ease;
}
.burger:hover{border-color:var(--c-brand);background:#F4F8F4}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:.2s}
.drawer{
  position:fixed;left:0;right:0;top:56px;bottom:0;z-index:65;background:var(--c-bg);
  padding:22px 18px 40px;overflow-y:auto;
  opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer .nav-link{font-size:17px;padding:14px 14px}
.drawer-foot{margin-top:22px;border-top:1px solid var(--c-line);padding-top:18px}

/* ---------- 主体布局 ---------- */
.page{padding-left:0}
@media (min-width:1024px){
  .topbar,.drawer{display:none}
  .page{padding-left:248px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .12s ease,color .12s ease,transform .12s ease,box-shadow .12s ease,border-color .12s ease;
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px)}
.btn-primary:active{filter:brightness(.92)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn-onDark{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-onDark:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

/* ---------- 首屏 ---------- */
.cat-hero{
  position:relative;color:#fff;padding:86px 0 48px;min-height:280px;
  background:#0E1512 url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,21,17,.92) 0%,rgba(10,21,17,.7) 52%,rgba(10,84,64,.62) 100%);
}
.cat-hero > .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:14px}
.crumb a:hover{color:#fff}
.crumb-now{color:var(--c-accent)}
.cat-hero h1{font-size:clamp(30px,4vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.87);max-width:660px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);font-size:12px;color:rgba(255,255,255,.85);
}

/* ---------- 通用板块 ---------- */
.sec{padding:76px 0}
.sec-head{margin-bottom:34px;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.16em;color:var(--c-brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent)}
.sec-title{font-size:clamp(24px,2.4vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:12px 0 12px}
.sec-lead{font-size:16px;line-height:1.85;color:var(--c-muted)}
.sec-tight{padding-top:0}

/* ---------- 筛选标签 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);font-size:14px;color:#33413A;
  transition:border-color .14s ease,color .14s ease,transform .14s ease;
}
.chip:hover{border-color:rgba(14,122,87,.4);color:var(--c-brand);transform:translateY(-1px)}
.chip.is-on{background:rgba(14,122,87,.08);border-color:rgba(14,122,87,.28);color:var(--c-brand);font-weight:600}

/* ---------- 服务清单（列表式） ---------- */
.svc-list{border-top:1px solid var(--c-line)}
.svc-item{
  position:relative;display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:30px 0;border-bottom:1px solid var(--c-line);
}
.svc-item::before{
  content:"";position:absolute;left:-2px;top:30px;bottom:30px;width:3px;border-radius:3px;
  background:var(--c-brand);opacity:0;transition:opacity .16s ease;
}
.svc-item:hover::before{opacity:1}
.svc-num{font-size:26px;font-weight:700;color:var(--c-brand);line-height:1.2;letter-spacing:-.02em}
.svc-name{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:8px}
.svc-desc{font-size:15px;line-height:1.85;color:#3B4842;max-width:760px}
.svc-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px;margin-top:16px}
.svc-points li{position:relative;padding-left:18px;font-size:14px;color:var(--c-muted)}
.svc-points li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:2px;border-radius:2px;background:var(--c-accent);
}
.svc-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  background:#EFF3EF;font-size:13px;color:#33413A;
}
.meta-pill b{color:var(--c-brand);font-weight:600}

/* ---------- 保障与时效 ---------- */
.guarantee{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.guarantee-img{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.guarantee-img img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 18px 16px;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,122,87,.28)}
.stat-num{font-size:32px;font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--c-ink)}
.stat-num.is-heat{color:var(--c-heat)}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--c-muted)}
.stat-cap{font-size:13px;color:var(--c-muted);margin-top:8px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.faq details{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:0 20px;overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease;
}
.faq details:hover{border-color:rgba(14,122,87,.28)}
.faq details[open]{border-color:rgba(14,122,87,.38);box-shadow:var(--sh-1)}
.faq details[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 0;font-size:17px;font-weight:600;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::marker{content:""}
.faq-index{font-size:13px;font-weight:700;color:var(--c-brand)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .2s ease}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq details[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{padding:0 0 20px 30px;font-size:15px;line-height:1.85;color:#3B4842}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:28px;
  box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:#33413A}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:10px;
  padding:0 13px;background:#FBFCFA;font-size:15px;color:var(--c-ink);
  transition:border-color .14s ease,box-shadow .14s ease,background .14s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 13px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(14,122,87,.14);
}
.field-full{grid-column:1 / -1}
.form-hint{font-size:13px;line-height:1.7;color:var(--c-muted);margin-top:14px}
.form-error{font-size:13px;color:var(--c-heat)}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.contact-list li{
  display:flex;gap:12px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px 18px;transition:transform .16s ease,box-shadow .16s ease;
}
.contact-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.contact-list b{display:block;font-size:15px;margin-bottom:4px}
.contact-list span{font-size:14px;color:var(--c-muted);line-height:1.75}
.dot-mark{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--c-accent);margin-top:9px;
}

/* ---------- 相邻分类 ---------- */
.next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.next-card{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.next-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,122,87,.3)}
.next-card .nc-title{font-size:17px;font-weight:700}
.next-card .nc-desc{font-size:14px;color:var(--c-muted);line-height:1.75}
.next-card .nc-go{font-size:13px;font-weight:600;color:var(--c-brand);margin-top:6px}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  background:var(--c-ink);color:#fff;border-radius:18px;padding:42px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);line-height:1.35;font-weight:700;margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-ink);color:#C9D2CD;padding:58px 0 24px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:17px;font-weight:700;color:#fff}
.foot-motto{font-size:14px;line-height:1.85;color:#9FAEA7;max-width:320px}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:#C9D2CD;transition:color .14s ease}
.foot-links a:hover{color:var(--c-accent)}
.foot-note{font-size:13px;line-height:1.8;color:#9FAEA7}
.foot-btn{margin-top:14px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#83928B;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .wrap{padding:0 18px}
  .cat-hero{padding:56px 0 38px;min-height:0}
  .hero-lead{font-size:16px}
  .sec{padding:52px 0}
  .guarantee{grid-template-columns:1fr;gap:28px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:30px}
  .next-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .svc-item{grid-template-columns:56px 1fr;gap:16px;padding:24px 0}
  .svc-num{font-size:20px}
  .svc-points{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:26px}
  .next-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}