/* roulang page: index */
:root{
  --ink:#14181A; --ink-2:#2A3130; --paper:#F6F4EF; --surface:#FFFFFF;
  --brand:#14453B; --brand-600:#1D5B4C; --accent:#C4633A; --accent-2:#D9A24B;
  --line:#E3DED4; --muted:#6E7672; --promo:#E04E2A;
  --r-card:14px; --r-btn:8px; --r-input:8px; --r-img:12px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04),0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 6px rgba(20,24,26,.06),0 18px 40px -18px rgba(20,24,26,.24);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-size:17px;line-height:1.8;color:var(--ink);background:var(--paper)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--brand)}
h1{font-size:clamp(34px,5vw,64px);font-weight:900;line-height:1.15}
h2{font-size:clamp(24px,3vw,38px)}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.grid-container{max-width:1240px;padding-left:20px;padding-right:20px}
.grid-container.wide{max-width:1360px}
.section{padding:96px 0}
.section--paper{background:var(--paper)}
.section--white{background:var(--surface)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.lead{color:var(--muted);max-width:640px;margin-top:16px}
.section-head{margin-bottom:var(--s5);max-width:760px}
.link-underline{position:relative;font-weight:600;color:var(--brand)}
.link-underline::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.link-underline:hover::after{transform:scaleX(1)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:16px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;text-decoration:none;transition:transform .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#AC4F2A;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--promo)}
.btn-light:hover{background:#FFF3EE;color:var(--promo);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn:focus-visible,.link-underline:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#AC4F2A;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 通知条 ---------- */
.notice-bar{background:var(--brand);color:#F3EFE7;font-size:14px}
.notice-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:40px;position:relative}
.notice-inner p{display:flex;align-items:center;gap:10px}
.notice-inner i{color:var(--accent-2)}
.notice-close{position:absolute;right:20px;top:50%;transform:translateY(-50%);background:none;border:0;color:#F3EFE7;opacity:.7;cursor:pointer;font-size:15px;line-height:1;padding:6px}
.notice-close:hover{opacity:1;color:var(--accent-2)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper)}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line)}
.nav-main{padding:14px 0}
.nav-inner{display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:baseline;font-size:23px;font-weight:800;letter-spacing:-.01em;color:var(--brand);flex:0 0 auto}
.logo span{color:var(--accent-2)}
.logo:hover{color:var(--brand)}
.logo:hover span{color:var(--accent)}
.nav-search{flex:1 1 auto;max-width:52%;position:relative;display:flex;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);height:48px;padding:0 6px 0 18px;transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.14)}
.nav-search i{color:var(--muted);font-size:15px}
.nav-search input{flex:1;border:0;background:transparent;height:100%;padding:0 12px;font-size:15px;outline:none}
.nav-search input::placeholder{color:#9AA29E}
.nav-search button{height:38px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .22s var(--ease)}
.nav-search button:hover{background:var(--brand-600)}
.nav-actions{display:flex;align-items:center;gap:20px;margin-left:auto;flex:0 0 auto}
.nav-tel{font-size:14px;color:var(--ink-2);font-weight:600;display:inline-flex;align-items:center;gap:8px}
.nav-tel i{color:var(--accent)}
.nav-tel:hover{color:var(--accent)}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);color:var(--brand);font-size:18px;cursor:pointer}
.nav-cats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.nav-cats ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 32px}
.nav-cats a{display:block;font-size:14px;font-weight:500;color:var(--ink-2);padding:14px 2px;position:relative}
.nav-cats a::after{content:"";position:absolute;left:0;bottom:10px;width:100%;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand);font-weight:700}
.nav-cats a.is-active::after{transform:scaleX(1)}
.nav-drawer{display:none;border-top:1px solid var(--line);background:var(--surface);padding:20px}
.nav-drawer.is-open{display:block}
.nav-drawer form{display:flex;align-items:center;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);height:46px;padding:0 8px 0 16px;margin-bottom:18px}
.nav-drawer input{flex:1;border:0;background:transparent;outline:none;height:100%;font-size:15px}
.nav-drawer button{height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-weight:600;font-size:14px}
.nav-drawer ul{display:grid;gap:4px;margin-bottom:18px}
.nav-drawer ul a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.nav-drawer .drawer-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 76px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.hero-veil{position:absolute;inset:0;background:rgba(246,244,239,.84)}
.hero .grid-container{position:relative;z-index:2}
.hero-copy .eyebrow{background:rgba(20,69,59,.08);border-radius:var(--r-pill);padding:6px 14px;letter-spacing:.08em;color:var(--brand)}
.hero h1{margin-bottom:20px;max-width:14em}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 40px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 40px;padding-top:24px;border-top:1px solid var(--line)}
.hero-badges li{display:flex;flex-direction:column}
.hero-badges strong{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-badges span{font-size:13px;color:var(--muted)}
.hero-media{margin-top:40px}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--shadow-1)}

/* ---------- 服务分类 ---------- */
.cat-list{display:grid;gap:12px}
.cat-list a{display:flex;align-items:flex-start;gap:20px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:border-color .4s var(--ease),transform .4s var(--ease),box-shadow .4s var(--ease)}
.cat-list a:hover{border-color:var(--brand);transform:translateX(4px);box-shadow:var(--shadow-2);color:var(--brand)}
.cat-num{font-size:22px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;letter-spacing:.02em;min-width:44px}
.cat-body{display:flex;flex-direction:column;gap:2px;flex:1}
.cat-body strong{font-size:18px;color:var(--brand);font-weight:700}
.cat-body em{font-style:normal;font-size:14px;color:var(--muted);line-height:1.7}
.cat-arrow{color:var(--line);font-size:18px;transition:color .3s var(--ease),transform .3s var(--ease)}
.cat-list a:hover .cat-arrow{color:var(--accent);transform:translateX(4px)}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:start}
.news-feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .45s var(--ease),box-shadow .45s var(--ease)}
.news-feature:hover{border-color:var(--brand);box-shadow:var(--shadow-2)}
.news-feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .48s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:26px}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);background:rgba(217,162,75,.18);color:#8A5D18;margin-bottom:14px}
.news-feature-body h3{font-size:22px;margin-bottom:12px;line-height:1.4}
.news-feature-body h3 a{color:var(--brand)}
.news-feature-body h3 a:hover{color:var(--accent)}
.news-feature-body p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;font-size:13px;color:var(--muted)}
.news-list{display:grid;gap:12px}
.news-item a{display:flex;flex-direction:column;gap:8px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .35s var(--ease),transform .35s var(--ease)}
.news-item a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.news-item-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item a:hover .news-item-title{color:var(--brand)}
.news-item-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}
.news-item-meta em{font-style:normal;color:var(--accent)}
.empty-state{grid-column:1/-1;min-height:72px;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);font-size:14px}

/* ---------- 服务推进阶梯 ---------- */
.ladder{display:grid;gap:0;border-top:1px solid var(--line)}
.ladder li{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--line);transition:background-color .35s var(--ease)}
.ladder li:hover{background:rgba(20,69,59,.03)}
.ladder-num{font-size:52px;font-weight:800;line-height:1;color:var(--accent-2);font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.ladder-body h3{margin-bottom:10px}
.ladder-body p{color:var(--muted);font-size:15px;max-width:58em}
.tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;letter-spacing:.04em;padding:4px 12px;border-radius:var(--r-pill);background:rgba(20,69,59,.08);color:var(--brand)}

/* ---------- 套餐对比 ---------- */
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
table.compare{width:100%;border-collapse:collapse;margin:0}
.compare th,.compare td{padding:20px 24px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.compare thead th{background:var(--paper);font-size:17px;color:var(--brand);font-weight:700;white-space:nowrap}
.compare thead th:first-child{color:var(--muted);font-size:14px;font-weight:600}
.compare .col-rec{background:rgba(217,162,75,.08);position:relative}
.compare tbody th{font-weight:600;color:var(--ink);font-size:15px;background:var(--surface)}
.compare tbody td{color:var(--muted)}
.compare tbody tr:hover td,.compare tbody tr:hover th{background:rgba(20,69,59,.03)}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.price{display:block;font-size:15px;font-weight:700;color:var(--accent);margin-top:6px;font-variant-numeric:tabular-nums}
.rec-badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--accent-2);color:#3B2A0C;margin-left:8px;vertical-align:middle}
.compare .mark-yes{color:var(--brand);font-weight:600}
.compare .mark-no{color:#B9B4A9}
.table-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------- 限时入口 ---------- */
.promo-bar{background:var(--promo);color:#fff}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:26px;padding-bottom:26px}
.promo-text{font-size:18px;font-weight:700}
.promo-right{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.promo-timer{font-size:14px;display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.88)}
.promo-timer span{font-variant-numeric:tabular-nums;font-weight:800;font-size:19px;letter-spacing:.06em;background:rgba(0,0,0,.16);padding:4px 12px;border-radius:var(--r-pill)}

/* ---------- 落地情况 ---------- */
.stat-list{display:grid;gap:20px;margin-top:32px}
.stat-list li{display:flex;flex-direction:column;padding-left:18px;border-left:2px solid var(--accent-2)}
.stat-list strong{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-list span{font-size:13px;color:var(--muted)}
.quote-list{display:grid;gap:16px}
.quote-list blockquote{margin:0;padding:24px 26px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent-2);border-radius:var(--r-card)}
.quote-list p{font-size:16px;color:var(--ink-2);margin-bottom:14px}
.quote-list cite{font-style:normal;font-size:13px;color:var(--muted)}

/* ---------- 咨询表单 ---------- */
.consult-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);background:var(--paper);outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.14);background:#fff}
.field.has-error input,.field.has-error select{border-color:var(--accent)}
.field .err{font-size:12px;color:var(--accent);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1;font-size:13px;color:var(--muted);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand)}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-success{margin-top:18px;padding:14px 18px;border-radius:var(--r-btn);background:rgba(20,69,59,.08);border:1px solid rgba(20,69,59,.2);color:var(--brand);font-size:14px}
.consult-side{background:rgba(20,69,59,.04);border:1px solid var(--line);border-radius:var(--r-card);padding:30px;height:100%}
.consult-side h3{margin-bottom:14px}
.consult-side ul{display:grid;gap:16px;margin-top:24px}
.consult-side li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.consult-side i{color:var(--accent);margin-top:6px}
.side-contact{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.side-contact strong{display:block;font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;margin-top:6px}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .3s var(--ease)}
.faq details[open]{border-color:var(--brand)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;font-size:17px;font-weight:500;color:var(--ink);position:relative;transition:background-color .3s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
.faq summary:hover{background:rgba(20,69,59,.03)}
.faq summary:hover::before{transform:scaleY(1)}
.faq .icon{position:relative;flex:0 0 auto;width:16px;height:16px}
.faq .icon::before,.faq .icon::after{content:"";position:absolute;background:var(--brand);left:50%;top:50%;transform:translate(-50%,-50%);transition:transform .3s var(--ease)}
.faq .icon::before{width:16px;height:1.6px}
.faq .icon::after{width:1.6px;height:16px}
.faq details[open] .icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq .answer{padding:0 24px 22px;background:var(--paper);color:var(--muted);font-size:15px;line-height:1.85;border-top:1px solid var(--line)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand);color:#F3EFE7}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:56px 20px}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(243,239,231,.78);font-size:15px;max-width:52em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CECB;padding:72px 0 0;font-size:14px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.site-footer .f-logo{font-size:22px;font-weight:800;color:#fff;display:inline-block;margin-bottom:16px}
.site-footer .f-logo span{color:var(--accent-2)}
.site-footer p{color:#9BA3A0;line-height:1.8}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a{color:#C9CECB}
.site-footer ul a:hover{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:16px}
.f-sub input{flex:1;height:44px;padding:0 14px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;outline:none}
.f-sub input::placeholder{color:#8A918E}
.f-sub input:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(217,162,75,.18)}
.f-sub button{height:44px;padding:0 18px;border:0;border-radius:var(--r-input);background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
.f-sub button:hover{background:#AC4F2A}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8A918E;font-size:13px}
.footer-bottom a{color:#8A918E}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  .nav-search{max-width:42%}
  .nav-tel{display:none}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:64px 0}
  .site-header.is-scrolled{box-shadow:0 1px 0 var(--line)}
  .nav-inner{gap:12px}
  .nav-search,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .nav-cats{display:none}
  .hero{padding:56px 0 48px}
  .hero-media{margin-top:32px}
  .hero-actions .btn{flex:1 1 auto}
  .ladder li{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .ladder-num{font-size:38px}
  .form-grid{grid-template-columns:1fr}
  .consult-form{padding:22px}
  .cta-band-inner{padding:44px 20px}
  .compare-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
  table.compare,table.compare tbody,table.compare tr,table.compare th,table.compare td{display:block;width:100%}
  table.compare thead{display:none}
  table.compare tr{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:16px;padding:8px 0;box-shadow:var(--shadow-1)}
  table.compare tbody th{background:transparent;font-size:17px;color:var(--brand);padding:14px 20px 10px;border-bottom:1px solid var(--line)}
  table.compare td{border-bottom:0;padding:10px 20px}
  table.compare td::before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:2px}
  .compare .col-rec{background:transparent}
  .promo-inner{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px}
  .logo{font-size:20px}
  h1{font-size:30px}
  .hero-badges{gap:16px 24px}
  .hero-badges strong{font-size:22px}
  .news-feature-body{padding:20px}
  .quote-list blockquote{padding:20px}
  .notice-inner p{font-size:13px;padding-right:32px}
}

/* roulang page: article */
:root{
  --ink:#14181A;
  --ink-2:#2A3130;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --brand:#14453B;
  --brand-600:#1D5B4C;
  --accent:#C4633A;
  --accent-2:#D9A24B;
  --line:#E3DED4;
  --muted:#6E7672;
  --promo:#E04E2A;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 6px rgba(20,24,26,.06), 0 18px 40px -18px rgba(20,24,26,.22);
  --font:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:ui-monospace,SFMono-Regular,'JetBrains Mono',Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,border-color .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:1240px;margin:0 auto;padding:0 24px}
.grid-container.wide{max-width:1360px}

/* ---------- 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;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#A9502C;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand-600);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-underline{
  position:relative;display:inline-block;color:var(--brand);font-weight:600;padding-bottom:2px;
  background:linear-gradient(var(--accent),var(--accent)) no-repeat 0 100%/0 2px;
  transition:background-size .35s ease,color .25s ease;
}
.link-underline:hover{color:var(--accent);background-size:100% 2px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(217,162,75,.16);color:#8A6218;
}
.badge-brand{background:rgba(20,69,59,.10);color:var(--brand)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;margin:0 8px 8px 0;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--ink-2);transition:border-color .25s,color .25s,transform .25s;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px -22px rgba(20,24,26,.5)}
.header-row{display:flex;align-items:center;gap:24px;min-height:78px}
.brand{
  font-size:22px;font-weight:900;letter-spacing:-.03em;color:var(--ink);white-space:nowrap;flex:0 0 auto;
}
.brand span{color:var(--accent)}
.brand:hover{color:var(--ink)}
.search{
  flex:1 1 auto;display:flex;align-items:center;gap:10px;max-width:640px;height:46px;
  padding:0 6px 0 16px;border:1px solid var(--line);border-radius:999px;background:var(--paper);
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.search:focus-within{border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 3px rgba(20,69,59,.14)}
.search .s-ico{color:var(--muted);font-size:14px}
.search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--ink);font-family:inherit;
}
.search input::placeholder{color:#9AA09C}
.search button{
  flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .25s ease;
}
.search button:hover{background:var(--brand-600)}
.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.header-tel{font-size:14px;color:var(--muted);white-space:nowrap}
.header-tel i{color:var(--brand);margin-right:6px}
.header-tel b{color:var(--ink);font-family:var(--mono);font-weight:700;letter-spacing:.02em}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--ink);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}

.nav-cats{border-top:1px solid var(--line);background:var(--surface)}
.nav-cats ul{display:flex;align-items:center;justify-content:center;gap:34px;min-height:50px;flex-wrap:wrap}
.nav-cats a{
  position:relative;display:inline-block;padding:14px 0;font-size:14px;color:var(--ink-2);
  background:linear-gradient(var(--brand),var(--brand)) no-repeat 0 100%/0 1px;
  transition:background-size .3s ease,color .25s ease;
}
.nav-cats a:hover{color:var(--brand);background-size:100% 1px}
.nav-cats a.is-active{color:var(--brand);font-weight:700;background-size:100% 1px}

.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:18px 0 26px}
.mobile-panel.is-open{display:block}
.mobile-panel .search{max-width:none;margin-bottom:16px}
.mobile-links li{border-bottom:1px solid var(--line)}
.mobile-links a{display:block;padding:13px 0;font-size:15px;color:var(--ink-2)}
.mobile-links a.is-active{color:var(--brand);font-weight:700}
.mobile-cta{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.mobile-cta .tel{font-size:14px;color:var(--muted)}

/* ---------- 内页头 ---------- */
.page-head{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:30px 0 46px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C6C0B4}
.crumbs .now{color:var(--muted)}
.art-head{max-width:920px}
.art-head h1{
  font-size:clamp(28px,3.6vw,46px);line-height:1.18;font-weight:900;
  margin:16px 0 18px;letter-spacing:-.025em;
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--muted)}
.art-meta i{color:var(--brand);margin-right:6px}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BC}

/* ---------- 正文区 ---------- */
.art-wrap{padding:56px 0 72px}
.art-cover{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);margin-bottom:36px;background:var(--surface);
}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.art-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:40px 44px;font-size:17.5px;line-height:1.9;color:var(--ink-2);
}
.art-body > *:first-child{margin-top:0}
.art-body p{margin:0 0 20px}
.art-body h2{
  font-size:clamp(21px,2.2vw,28px);color:var(--ink);margin:44px 0 18px;
  padding-left:14px;border-left:3px solid var(--brand);line-height:1.3;
}
.art-body h3{font-size:19px;color:var(--ink);margin:32px 0 14px;font-weight:700}
.art-body h4{font-size:17px;color:var(--brand);margin:24px 0 10px;font-weight:700}
.art-body ul,.art-body ol{margin:0 0 22px;padding-left:4px}
.art-body ul li,.art-body ol li{position:relative;padding-left:22px;margin-bottom:10px}
.art-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--accent-2);
}
.art-body ol{counter-reset:artnum}
.art-body ol li{counter-increment:artnum}
.art-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:3px;
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);width:16px;
}
.art-body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--paper);
  border-left:3px solid var(--accent-2);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);font-size:16.5px;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--shadow-1)}
.art-body figure{margin:26px 0}
.art-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.art-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;border:1px solid var(--line)}
.art-body th,.art-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.art-body thead th{background:rgba(20,69,59,.08);color:var(--brand);font-weight:700}
.art-body tbody tr:nth-child(even){background:#FBF9F5}
.art-body strong{color:var(--ink);font-weight:700}
.art-body code{
  font-family:var(--mono);font-size:14px;background:var(--paper);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--brand);
}
.art-body a{border-bottom:1px solid rgba(196,99,58,.4)}
.art-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}

.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--brand);display:block;margin-bottom:14px}
.empty-state p{font-size:16px;margin-bottom:12px}

/* ---------- 侧栏 ---------- */
.art-side{position:sticky;top:150px;align-self:flex-start}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:22px 22px 18px;margin-bottom:22px;
}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--ink)}
.side-card h3 i{color:var(--accent);margin-right:8px;font-size:14px}
.side-list li{border-top:1px solid var(--line)}
.side-list li:first-child{border-top:0}
.side-list a{display:block;padding:11px 0;font-size:14.5px;color:var(--ink-2);line-height:1.55}
.side-list a:hover{color:var(--brand)}
.side-list .idx{
  display:inline-block;width:20px;font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:700;
}
.side-note{
  background:rgba(20,69,59,.05);border:1px solid rgba(20,69,59,.14);border-radius:var(--r-card);
  padding:20px;font-size:14px;color:var(--ink-2);
}
.side-note b{display:block;color:var(--brand);font-size:15px;margin-bottom:6px}

/* ---------- 文末 ---------- */
.art-foot{margin-top:34px}
.art-tags{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-bottom:26px}
.art-tags .label{font-size:14px;color:var(--muted);margin-right:10px}
.art-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:44px;
}
.art-nav a{
  display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:border-color .3s,transform .3s,box-shadow .3s;
}
.art-nav a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--ink)}
.art-nav .k{font-size:12px;color:var(--muted);letter-spacing:.06em;display:block;margin-bottom:6px}
.art-nav .t{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5}
.art-nav .right{text-align:right}

.block-title{margin-bottom:26px}
.block-title h2{font-size:clamp(22px,2.4vw,30px)}
.block-title p{margin-top:8px;font-size:15px;color:var(--muted)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .48s cubic-bezier(.2,.7,.2,1),box-shadow .48s,border-color .48s;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,59,.35)}
.rel-card .thumb{overflow:hidden;aspect-ratio:3/2;background:var(--paper)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rel-card h3{font-size:17.5px;line-height:1.45;font-weight:700}
.rel-card p{font-size:14.5px;color:var(--muted);line-height:1.7}
.rel-card .meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.rel-card .meta a{font-weight:600}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand);color:#EDF2EF;padding:64px 0}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:10px}
.cta-band p{color:rgba(237,242,239,.78);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CFCB;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.01em}
.site-footer p{font-size:14px;line-height:1.8;color:#9BA3A0}
.site-footer a{color:#C9CFCB;font-size:14px}
.site-footer a:hover{color:var(--accent-2)}
.site-footer ul li{margin-bottom:10px}
.f-logo{display:inline-block;font-size:21px;font-weight:900;color:#fff;letter-spacing:-.03em;margin-bottom:14px}
.f-logo span{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:6px}
.f-sub input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14px;font-family:inherit;
}
.f-sub input::placeholder{color:#8A918E}
.f-sub input:focus{outline:none;border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(217,162,75,.18)}
.f-sub button{
  height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background-color .25s ease;
}
.f-sub button:hover{background:#A9502C}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8A918E;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);animation:rise .55s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:translateY(0)}}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .art-side{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .art-body{padding:34px 30px}
}
@media (max-width:768px){
  body{font-size:16px}
  .grid-container{padding:0 18px}
  .header-row{min-height:66px;gap:14px}
  .header-row .search,.header-tel,.header-actions .btn{display:none}
  .menu-toggle{display:inline-flex}
  .brand{font-size:19px}
  .nav-cats{display:none}
  .page-head{padding:22px 0 34px}
  .art-wrap{padding:38px 0 54px}
  .art-body{padding:26px 20px;font-size:16.5px}
  .art-nav{grid-template-columns:1fr}
  .art-nav .right{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .art-body table{font-size:14.5px}
  .art-body th,.art-body td{padding:10px}
}
@media (max-width:520px){
  .art-head h1{font-size:26px}
  .search button{padding:0 14px;font-size:13px}
  .badge{height:24px;font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#14181A; --ink-2:#2A3130;
  --paper:#F6F4EF; --surface:#FFFFFF;
  --brand:#14453B; --brand-600:#1D5B4C;
  --accent:#C4633A; --accent-2:#D9A24B;
  --line:#E3DED4; --muted:#6E7672; --promo:#E04E2A;
  --r-card:14px; --r-btn:8px; --r-img:12px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04),0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 6px rgba(20,24,26,.06),0 18px 40px -18px rgba(20,24,26,.22);
  --container:1240px;
  --font:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Courier New',monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.8;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 14px;color:var(--ink);font-weight:800;line-height:1.3}
h1{font-size:clamp(34px,5vw,52px);line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.01em}
h3{font-size:20px}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-tight{padding-top:0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--brand);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.lead{font-size:17px;color:var(--ink-2)}
.muted{color:var(--muted);font-size:14px;line-height:1.75}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 10px 30px -24px rgba(20,24,26,.5)}
.top-row{display:flex;align-items:center;gap:22px;padding:14px 0}
.logo{font-size:22px;font-weight:900;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo span{color:var(--brand)}
.logo:hover{color:var(--ink)}
.nav-search{position:relative;flex:1 1 auto;max-width:52%;display:flex;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:0 6px 0 16px;height:46px;transition:border-color .25s ease,box-shadow .25s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,69,59,.18)}
.nav-search svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--muted);fill:none;stroke-width:1.8}
.nav-search input{flex:1 1 auto;border:0;background:transparent;height:44px;padding:0 12px;color:var(--ink);outline:none}
.nav-search input::placeholder{color:var(--muted)}
.nav-search button{border:0;background:var(--brand);color:#fff;height:34px;padding:0 18px;border-radius:var(--r-pill);font-size:14px;font-weight:700;cursor:pointer;transition:background .25s ease}
.nav-search button:hover{background:var(--brand-600)}
.top-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.hotline{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-btn);font-size:18px;line-height:1;color:var(--ink);cursor:pointer}
.nav-cats{border-top:1px solid var(--line);background:var(--surface)}
.nav-cats ul{display:flex;justify-content:center;flex-wrap:wrap;gap:28px;padding:0}
.nav-cats a{position:relative;display:inline-block;padding:14px 0;font-size:14px;font-weight:600;color:var(--ink-2)}
.nav-cats a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand)}
.nav-cats a.is-active::after{transform:scaleX(1)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:700;line-height:1;border:1px solid transparent;cursor:pointer;transition:transform .25s cubic-bezier(.2,.7,.2,1),background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#AC5530;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#F1EFE9;color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ breadcrumb ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:12px 0;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--muted)}

/* ============ page hero ============ */
.page-hero{position:relative;background-color:var(--ink);background-position:center;background-size:cover;background-repeat:no-repeat;color:#fff;padding:74px 0 78px}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,26,.86) 0%,rgba(20,24,26,.66) 58%,rgba(20,24,26,.42) 100%)}
.page-hero .hero-inner{position:relative;z-index:2;max-width:820px}
.page-hero h1{color:#fff;margin:14px 0 16px}
.page-hero p{color:rgba(255,255,255,.88);font-size:17px;max-width:640px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badges span{font-size:13px;padding:7px 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:rgba(255,255,255,.92)}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:6px 12px;border-radius:var(--r-pill);letter-spacing:.04em}
.badge-gold{background:rgba(217,162,75,.2);color:#8A5F12;border:1px solid rgba(217,162,75,.45)}
.badge-brand{background:rgba(20,69,59,.09);color:var(--brand);border:1px solid rgba(20,69,59,.2)}
.badge-hero{background:rgba(217,162,75,.22);color:#F0CF95;border:1px solid rgba(217,162,75,.5)}

/* ============ feature rows ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature-row + .feature-row{margin-top:88px}
.feature-row.reverse .feature-media{order:2}
.feature-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--surface)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.feature-media:hover img{transform:scale(1.03)}
.feature-body h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:16px}
.feature-body p{color:var(--ink-2)}
.tick-list{margin-top:20px;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:30px;font-size:16px;color:var(--ink-2)}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;background:rgba(20,69,59,.1);border:1px solid rgba(20,69,59,.35)}
.tick-list li::after{content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* ============ stats ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:72px;padding-top:40px;border-top:1px solid var(--line)}
.stat .num{font-family:var(--mono);font-size:clamp(30px,3.4vw,40px);font-weight:700;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.stat .num em{font-style:normal;font-size:20px;color:var(--accent)}
.stat .cap{font-size:14px;color:var(--muted);margin-top:8px}

/* ============ scene cards ============ */
.band-dark{background:var(--ink);color:#EDEAE3}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark p{color:rgba(237,234,227,.78)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease,border-color .3s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,59,.35)}
.scene-card figure{margin:0;overflow:hidden}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.scene-card:hover img{transform:scale(1.03)}
.scene-card .body{padding:24px}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);margin-bottom:0;line-height:1.75}

/* ============ deliverable grid ============ */
.deliver{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 40px;margin-top:28px}
.deliver li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);font-size:16px;color:var(--ink-2)}
.deliver li i{font-style:normal;font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent);min-width:34px;padding-top:3px}

/* ============ faq ============ */
.faq-wrap{max-width:920px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:transparent;border:0;text-align:left;padding:22px 4px 22px 16px;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;position:relative;transition:color .25s ease}
.faq-q::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.faq-q:hover{color:var(--brand)}
.faq-q:hover::before{transform:scaleY(1)}
.faq-q .ic{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--brand);transition:transform .3s ease,opacity .3s ease}
.faq-q .ic::before{left:0;right:0;top:7px;height:2px}
.faq-q .ic::after{top:0;bottom:0;left:7px;width:2px}
.faq-item.is-open .faq-q .ic::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.2,.7,.2,1)}
.faq-a .inner{padding:0 4px 24px 16px;background:transparent}
.faq-a p{background:var(--paper);border-radius:10px;padding:18px 20px;margin:0;font-size:16px;color:var(--ink-2)}

/* ============ cta band ============ */
.cta-band{background:var(--brand);color:#fff;padding:64px 0}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.82);margin:0;font-size:16px}

/* ============ form ============ */
.consult{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FDFCF9;color:var(--ink);outline:none;transition:border-color .25s ease,box-shadow .25s ease}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,69,59,.18)}
.field.has-error input,.field.has-error select{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.field .err{display:none;font-size:12px;color:var(--accent);margin-top:6px}
.field.has-error .err{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand)}
.form-ok{display:none;align-items:center;gap:10px;margin-top:18px;padding:14px 16px;border-radius:var(--r-btn);background:rgba(20,69,59,.08);border:1px solid rgba(20,69,59,.25);color:var(--brand);font-size:15px}
.form-ok.show{display:flex}
.consult-side .panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;margin-bottom:18px}
.consult-side .panel h3{font-size:17px;margin-bottom:10px}
.consult-side .panel p{font-size:15px;color:var(--muted);margin:0}
.consult-side .panel strong{color:var(--ink);font-family:var(--mono)}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#E4E1DA;padding:72px 0 0;border-top:1px solid rgba(255,255,255,.08);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.02em}
.site-footer p{color:rgba(228,225,218,.72);font-size:14px;line-height:1.85;margin:0}
.f-logo{display:inline-block;font-size:22px;font-weight:900;color:#fff;margin-bottom:16px}
.f-logo span{color:var(--accent-2)}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a{color:rgba(228,225,218,.78);font-size:14px}
.site-footer ul a:hover{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:14px}
.f-sub input{flex:1 1 auto;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;outline:none}
.f-sub input::placeholder{color:rgba(228,225,218,.5)}
.f-sub input:focus{border-color:var(--accent-2);box-shadow:0 0 0 2px rgba(217,162,75,.25)}
.f-sub button{height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;font-weight:700;cursor:pointer;transition:background .25s ease}
.f-sub button:hover{background:#AC5530}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(228,225,218,.6)}
.footer-bottom a{color:rgba(228,225,218,.72)}
.footer-bottom a:hover{color:var(--accent-2)}

/* ============ motion ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* ============ responsive ============ */
@media screen and (max-width:1024px){
  .section{padding:76px 0}
  .feature-row{grid-template-columns:1fr;gap:32px}
  .feature-row.reverse .feature-media{order:0}
  .feature-row + .feature-row{margin-top:64px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .consult{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .grid-container{padding-left:18px;padding-right:18px}
  .top-row{flex-wrap:wrap;gap:12px;padding:12px 0}
  .logo{font-size:20px}
  .nav-search{order:3;max-width:100%;flex:1 1 100%;height:44px}
  .menu-toggle{display:block}
  .hotline{display:none}
  .nav-cats{display:none}
  .nav-cats.is-open{display:block}
  .nav-cats ul{flex-direction:column;gap:0;padding:6px 0 14px;justify-content:flex-start}
  .nav-cats li{border-bottom:1px solid var(--line)}
  .nav-cats li:last-child{border-bottom:0}
  .nav-cats a{padding:13px 0;display:block;font-size:15px}
  .nav-cats a::after{display:none}
  .page-hero{padding:52px 0 56px}
  .page-hero p{font-size:16px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .scene-grid{grid-template-columns:1fr}
  .deliver{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:16px}
}
@media screen and (max-width:520px){
  h1{font-size:30px}
  .stats{grid-template-columns:1fr}
  .hero-badges span{font-size:12px}
  .f-sub{flex-direction:column}
  .f-sub button{width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#14181A;
  --ink-2:#2A3130;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --brand:#14453B;
  --brand-600:#1D5B4C;
  --accent:#C4633A;
  --accent-2:#D9A24B;
  --line:#E3DED4;
  --muted:#6E7672;
  --promo:#E04E2A;
  --r-card:14px;
  --r-btn:8px;
  --r-input:8px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(20,24,26,.10);
  --sh-2:0 2px 6px rgba(20,24,26,.06), 0 18px 40px -18px rgba(20,24,26,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--ink)}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),background-color .24s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper)}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:48px}
.sec-kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-bottom:14px}
.sec-title{font-size:clamp(24px,3vw,38px)}
.sec-desc{color:var(--muted);font-size:16.5px;margin-top:16px;max-width:720px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#A9522E;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#F1EEE7;color:var(--brand);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{position:relative;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand);padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.text-link:hover{color:var(--accent)}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(217,162,75,.18);color:#8A5F16}
.badge--brand{background:rgba(20,69,59,.10);color:var(--brand)}
.badge--accent{background:rgba(196,99,58,.14);color:#9A4622}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);border-bottom:1px solid transparent;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(20,24,26,.28)}
.nav-main-inner{display:flex;align-items:center;gap:26px;min-height:78px}
.brand{font-size:24px;font-weight:800;letter-spacing:-.03em;color:var(--ink);white-space:nowrap}
.brand span{color:var(--brand)}
.brand:hover{color:var(--ink)}
.nav-search{flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;height:46px;padding:0 6px 0 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.14)}
.nav-search i{color:var(--muted);font-size:15px}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px;color:var(--ink);height:100%}
.nav-search input::placeholder{color:#9AA09C}
.nav-search button{height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .24s var(--ease)}
.nav-search button:hover{background:var(--brand-600)}
.nav-side{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-tel{font-size:14px;color:var(--muted);white-space:nowrap}
.nav-tel i{color:var(--brand);margin-right:6px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);color:var(--ink);font-size:17px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-cats{border-top:1px solid var(--line);background:var(--surface)}
.nav-cats ul{display:flex;justify-content:center;flex-wrap:wrap;gap:4px}
.nav-cats li{margin:0}
.nav-cats a{position:relative;display:block;padding:15px 16px;font-size:14px;color:var(--ink-2)}
.nav-cats a::after{content:"";position:absolute;left:16px;right:16px;bottom:9px;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand);font-weight:700}
.nav-cats a.is-active::after{transform:scaleX(1)}
.nav-mobile{display:none}
.nav-mobile.is-open{display:block;border-top:1px solid var(--line);padding:18px 0 22px;background:var(--surface)}
.nav-search-mobile{max-width:none;margin-bottom:18px}
.nav-mobile-list{display:grid;gap:2px;margin-bottom:18px}
.nav-mobile-list a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.nav-mobile-list a.is-active{color:var(--brand);font-weight:700}
.nav-mobile-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.nav-mobile-foot span{font-size:14px;color:var(--muted)}
.nav-mobile-foot span i{color:var(--brand);margin-right:6px}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--accent-2)}
.crumb span.sep{margin:0 8px;opacity:.6}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;min-height:310px;display:flex;align-items:center;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(20,24,26,.78)}
.page-hero .inner{position:relative;z-index:2;padding:66px 0 70px;color:#fff;max-width:860px}
.page-hero h1{color:#fff;font-size:clamp(32px,4.4vw,52px);font-weight:800;line-height:1.15}
.page-hero h1 em{font-style:normal;color:var(--accent-2)}
.page-hero p{color:rgba(255,255,255,.86);font-size:17.5px;margin-top:18px;max-width:700px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* ---------- 数据行 ---------- */
.stat-strip{margin-top:-34px;position:relative;z-index:5}
.stat-row{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.stat-cell{padding:26px 26px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:30px;font-weight:700;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}

/* ---------- 编号长列表 ---------- */
.editorial{border-top:1px solid var(--line)}
.ed-item{display:grid;grid-template-columns:128px 1fr;gap:36px;padding:38px 0;border-bottom:1px solid var(--line)}
.ed-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:46px;font-weight:700;line-height:1;color:var(--accent-2);letter-spacing:-.04em}
.ed-body h3{font-size:21px;margin-bottom:12px}
.ed-body p{color:var(--ink-2);font-size:16.5px;max-width:840px}
.ed-points{display:grid;gap:10px;margin-top:18px}
.ed-points li{position:relative;padding-left:22px;font-size:15px;color:var(--muted)}
.ed-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border:1.5px solid var(--brand);border-radius:2px}
.ed-body .badge{margin-bottom:12px}

/* ---------- 错落图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:76px}
.split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);transition:transform .48s var(--ease),box-shadow .48s var(--ease)}
.split-media img:hover{transform:scale(1.02);box-shadow:var(--sh-2)}
.split.rev .split-media{order:2}
.split-body h3{font-size:clamp(21px,2.4vw,28px);margin-bottom:16px}
.split-body p{color:var(--ink-2);font-size:16.5px}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{position:relative;padding-left:28px;font-size:15.5px;color:var(--ink-2)}
.check-list li::before{content:"\2713";position:absolute;left:0;top:0;width:18px;height:18px;line-height:18px;text-align:center;font-size:11px;font-weight:700;color:#fff;background:var(--brand);border-radius:50%;margin-top:7px}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;border-radius:var(--r-card);overflow:hidden;background:#173B33}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.28}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;padding:44px 48px;flex-wrap:wrap}
.cta-inner h3{color:#fff;font-size:clamp(21px,2.4vw,29px);max-width:640px}
.cta-inner p{color:rgba(255,255,255,.8);font-size:15.5px;margin-top:12px;max-width:640px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq-item[open]{border-color:rgba(20,69,59,.35);box-shadow:var(--sh-1)}
.faq-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 24px;font-size:17px;font-weight:500;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;background:var(--accent);opacity:0;transition:opacity .24s var(--ease)}
.faq-item summary:hover::before{opacity:1}
.faq-item summary::after{content:"";flex:0 0 15px;width:15px;height:15px;background:linear-gradient(var(--brand),var(--brand)) center/15px 2px no-repeat,linear-gradient(var(--brand),var(--brand)) center/2px 15px no-repeat}
.faq-item[open] summary::after{background:linear-gradient(var(--brand),var(--brand)) center/15px 2px no-repeat}
.faq-body{padding:16px 24px 22px;background:var(--paper);border-top:1px solid var(--line);font-size:15.5px;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:36px}
.form-card h3{font-size:24px;margin-bottom:10px}
.form-card .form-intro{color:var(--muted);font-size:15px;margin-bottom:28px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column}
.field--full{grid-column:1 / -1}
.f-label{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);outline:none;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.13)}
.field input:invalid:not(:placeholder-shown){border-color:var(--accent)}
.check-line{display:flex;align-items:flex-start;gap:10px;margin:22px 0 24px;font-size:14px;color:var(--muted)}
.check-line input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand)}
.form-tip{margin-top:16px;font-size:14px;color:var(--brand);background:rgba(20,69,59,.08);border:1px solid rgba(20,69,59,.18);border-radius:var(--r-btn);padding:12px 14px}
.consult-aside{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px}
.consult-aside h4{font-size:18px;margin-bottom:18px}
.info-list{display:grid;gap:18px}
.info-list dt{font-size:13px;letter-spacing:.1em;color:var(--muted);margin-bottom:4px}
.info-list dd{margin:0;font-size:15.5px;color:var(--ink-2)}
.aside-note{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CECC;padding:76px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}
.f-logo{display:inline-block;font-size:22px;font-weight:800;letter-spacing:-.03em;color:#fff;margin-bottom:16px}
.f-logo span{color:var(--accent-2)}
.site-footer p{font-size:14.5px;color:#A6ADAA;line-height:1.85}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:0}
.site-footer ul{display:grid;gap:11px}
.site-footer ul a{font-size:14.5px;color:#C9CECC}
.site-footer ul a:hover{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:14px}
.f-sub input{flex:1;min-width:0;height:44px;padding:0 13px;font-size:14px;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-input);outline:none}
.f-sub input::placeholder{color:#8A918E}
.f-sub input:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(217,162,75,.18)}
.f-sub button{height:44px;padding:0 20px;border:0;border-radius:var(--r-input);background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .24s var(--ease)}
.f-sub button:hover{background:#A9522E}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:58px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8A918E}
.footer-bottom a{color:#A6ADAA}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0}
  .nav-main-inner{gap:18px}
  .nav-search{max-width:420px}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
  .consult-grid{grid-template-columns:1fr}
  .split{gap:38px}
}
@media (max-width:880px){
  .split{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .split + .split{margin-top:56px}
  .editorial-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:16px}
  .nav-search,.nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cats{display:none}
  .nav-main-inner{min-height:66px;justify-content:space-between}
  .brand{font-size:21px}
  .section{padding:58px 0}
  .sec-head{margin-bottom:32px}
  .stat-row{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:0}
  .ed-item{grid-template-columns:1fr;gap:14px;padding:30px 0}
  .ed-num{font-size:34px}
  .cta-inner{padding:32px 26px}
  .form-card{padding:26px 20px}
  .field-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-bottom{margin-top:40px}
  .page-hero .inner{padding:52px 0 56px}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  .hero-actions .btn{width:100%}
  .page-hero h1{font-size:30px}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-body{padding:14px 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#14181A;
  --ink-2:#2A3130;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --brand:#14453B;
  --brand-600:#1D5B4C;
  --accent:#C4633A;
  --accent-2:#D9A24B;
  --line:#E3DED4;
  --muted:#6E7672;
  --promo:#E04E2A;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04),0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 40px -18px rgba(20,24,26,.20);
  --font-sans:system-ui,-apple-system,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3,h4,h5{margin:0 0 16px;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.25}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,38px)}
h3{font-size:20px;font-weight:700}
h4{font-size:17px;font-weight:700;letter-spacing:0}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
.grid-container{max-width:1240px;margin:0 auto;padding:0 24px}
.grid-container.wide{max-width:1360px}

/* ---------- 顶部通知 + 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(20,24,26,.45)}
.notice-bar{background:var(--brand);color:#EAF1ED;font-size:13px;line-height:1.6}
.notice-bar .grid-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px}
.notice-bar strong{color:#fff;font-weight:700}
.notice-bar .n-close{background:none;border:0;color:#B9CFC5;font-size:14px;padding:4px 6px;border-radius:4px}
.notice-bar .n-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-main{padding:14px 0}
.nav-main-inner{display:flex;align-items:center;gap:24px}
.brand{font-size:22px;font-weight:900;letter-spacing:-.01em;color:var(--brand);white-space:nowrap}
.brand span{color:var(--accent)}
.brand:hover{color:var(--brand-600)}
.nav-search{flex:1 1 auto;max-width:600px;display:flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 5px 5px 18px;transition:border-color .25s ease,box-shadow .25s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,69,59,.14)}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{flex:1;border:0;background:transparent;height:38px;outline:none;color:var(--ink)}
.nav-search input::placeholder{color:#9AA29D}
.nav-search button{border:0;background:var(--brand);color:#fff;height:38px;padding:0 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;transition:background .25s ease}
.nav-search button:hover{background:var(--brand-600)}
.nav-side{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-phone{font-size:14px;color:var(--ink-2);white-space:nowrap}
.nav-phone i{color:var(--accent);margin-right:6px}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);width:42px;height:42px;color:var(--brand);font-size:16px}
.nav-cats{border-top:1px solid var(--line)}
.nav-cats ul{display:flex;justify-content:center;gap:34px;flex-wrap:wrap}
.nav-cats a{display:block;padding:13px 2px;font-size:14px;color:var(--ink-2);position:relative}
.nav-cats a::after{content:"";position:absolute;left:0;bottom:8px;width:100%;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .32s cubic-bezier(.2,.7,.2,1)}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand);font-weight:700}
.nav-cats a.is-active::after{transform:scaleX(1)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:16px 0 22px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-search{display:flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 16px;margin-bottom:14px}
.mobile-panel .m-search input{flex:1;border:0;background:transparent;height:38px;outline:none}
.mobile-panel .m-search button{border:0;background:var(--brand);color:#fff;height:38px;padding:0 16px;border-radius:var(--r-pill);font-size:14px}
.mobile-panel ul li a{display:block;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)}
.mobile-panel ul li a.is-active{color:var(--brand);font-weight:700}
.mobile-panel .m-foot{margin-top:16px;font-size:14px;color:var(--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;transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#A94F2C;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);background-image:linear-gradient(var(--accent),var(--accent));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .35s cubic-bezier(.2,.7,.2,1),color .25s ease;padding-bottom:2px}
.btn-link:hover{color:var(--accent);background-size:100% 2px}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);font-weight:600}
.badge-gold{background:#FBF1DC;color:#8A6218}
.badge-brand{background:#E4EEE9;color:var(--brand)}
.tagline{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.eyebrow{font-size:13px;color:var(--muted);letter-spacing:.08em;font-weight:700;margin-bottom:10px}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;color:#F2F5F3;overflow:hidden;background:var(--ink)}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.5}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,26,.86) 0%,rgba(20,24,26,.62) 55%,rgba(20,24,26,.40) 100%)}
.page-hero .grid-container{position:relative;z-index:2;padding-top:56px;padding-bottom:60px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.page-hero h1{color:#fff;max-width:820px;margin-bottom:14px}
.page-hero h1 em{font-style:normal;color:var(--accent-2)}
.page-hero .lead{font-size:17px;max-width:640px;color:#D6DEDA;margin-bottom:26px}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.page-hero .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.crumbs{position:relative;z-index:2;font-size:13px;color:#A9B4AF;margin-bottom:20px}
.crumbs a{color:#C7D2CD}
.crumbs a:hover{color:var(--accent-2)}
.crumbs span{color:#8F9B96}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{color:var(--muted);font-size:16px;margin-bottom:0}
.bg-white{background:var(--surface)}
.bg-paper{background:var(--paper)}
.bg-ink{background:var(--ink);color:#E7ECEA}
.bg-ink h2,.bg-ink h3{color:#fff}
.bg-ink p{color:#B9C3BF}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 大图卡 + 要点栏 ---------- */
.feature-layout{align-items:flex-start}
.big-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;height:100%;transition:border-color .48s cubic-bezier(.2,.7,.2,1),box-shadow .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1)}
.big-card:hover{border-color:rgba(20,69,59,.45);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.big-card .thumb{overflow:hidden;aspect-ratio:16/10;background:var(--paper)}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.big-card:hover .thumb img{transform:scale(1.03)}
.big-card .body{padding:24px}
.big-card .body h3{margin-bottom:10px}
.big-card .body p{color:var(--muted);font-size:15px;margin-bottom:16px}
.big-card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.side-points{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);height:100%}
.side-points h3{font-size:18px;margin-bottom:6px}
.side-points .sp-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.side-points li{display:flex;gap:12px;padding:12px 0;border-top:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}
.side-points li:first-of-type{border-top:0}
.side-points li i{color:var(--accent-2);margin-top:5px}
.side-points .sp-cta{margin-top:18px;display:block}

/* ---------- 数字徽章行 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1)}
.metric .num{font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.metric .num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--accent)}
.metric .lbl{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.65}

/* ---------- 数据域横条 ---------- */
.domain-list{border-top:1px solid var(--line)}
.domain-item{display:grid;grid-template-columns:64px 220px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:background .3s ease,padding .3s ease}
.domain-item:hover{background:rgba(255,255,255,.7);padding-left:12px;padding-right:12px}
.domain-item .idx{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--accent-2)}
.domain-item .name{font-size:17px;font-weight:700;color:var(--ink)}
.domain-item .desc{font-size:14.5px;color:var(--muted)}
.domain-item .mark{font-size:13px;color:var(--brand);font-weight:600;white-space:nowrap}

/* ---------- 对照表 ---------- */
.compare{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-1)}
.compare-row{display:grid;grid-template-columns:1fr 1.25fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row.head{background:var(--paper);font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:700}
.compare-row>div{padding:20px 24px}
.compare-row .q{color:var(--ink-2);font-size:15px;border-right:1px solid var(--line);display:flex;gap:10px}
.compare-row .q i{color:var(--accent);margin-top:6px}
.compare-row .a{font-size:15px;color:var(--ink-2)}
.compare-row .a strong{color:var(--brand)}

/* ---------- CTA 中段条 ---------- */
.cta-strip{background:var(--brand);color:#EAF1ED;border-radius:var(--r-card);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-2)}
.cta-strip h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:6px}
.cta-strip p{margin:0;color:#B9CFC5;font-size:15px;max-width:620px}
.cta-strip .btn-primary{flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;padding:22px 44px 22px 0;position:relative;font-size:16.5px;font-weight:600;color:var(--ink);transition:color .25s ease}
.faq-q::before{content:"";position:absolute;left:-16px;top:22px;bottom:22px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.faq-item:hover .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--brand)}
.faq-q .ic{position:absolute;right:8px;top:50%;width:16px;height:16px;margin-top:-8px}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.faq-q .ic::before{left:0;top:7px;width:16px;height:2px}
.faq-q .ic::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-q .ic::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .42s cubic-bezier(.2,.7,.2,1)}
.faq-a .inner{background:var(--paper);border-radius:10px;padding:18px 22px;margin:0 0 20px;font-size:15px;color:var(--ink-2)}
.faq-a .inner p:last-child{margin-bottom:0}

/* ---------- 表单 ---------- */
.consult-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink-2)}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;background:var(--surface);color:var(--ink);outline:none;transition:border-color .25s ease,box-shadow .25s ease}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,69,59,.14)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent);box-shadow:0 0 0 2px rgba(196,99,58,.14)}
.field .err{font-size:12px;color:var(--accent);display:none}
.field.has-error .err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted)}
.check input{width:18px;height:18px;margin-top:5px;accent-color:var(--brand)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-tip{font-size:13px;color:var(--muted)}
.form-success{margin-top:16px;background:#E4EEE9;border:1px solid #BFD8CD;color:var(--brand);border-radius:var(--r-btn);padding:14px 16px;font-size:14px;display:none}
.form-success.is-show{display:block}
.info-stack{display:grid;gap:18px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1)}
.info-card h4{margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--muted);margin-bottom:0}
.info-card .thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:3/2;margin-bottom:16px}
.info-card .thumb img{width:100%;height:100%;object-fit:cover}
.info-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);padding:8px 0;border-top:1px dashed var(--line)}
.info-list li:first-child{border-top:0;padding-top:0}
.info-list i{color:var(--accent-2);margin-top:5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C3BF;padding:72px 0 0;margin-top:0}
.site-footer .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{font-size:14px;line-height:1.85;color:#9AA49F}
.f-logo{display:inline-block;font-size:20px;font-weight:900;color:#fff;margin-bottom:14px}
.f-logo span{color:var(--accent-2)}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:14px;color:#B9C3BF}
.site-footer ul a:hover{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:6px}
.f-sub input{flex:1;min-width:0;height:44px;border-radius:var(--r-btn);border:1px solid #333B39;background:#1D2220;color:#E7ECEA;padding:0 14px;outline:none}
.f-sub input:focus{border-color:var(--accent-2)}
.f-sub button{height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;font-weight:600;font-size:14px}
.f-sub button:hover{background:#A94F2C}
.footer-bottom{border-top:1px solid #2A3130;padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A918E}
.footer-bottom a{color:#A9B4AF}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:72px 0}
  .nav-cats ul{gap:22px}
  .nav-phone{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .domain-item{grid-template-columns:48px 1fr;grid-template-areas:"idx name" ". desc";row-gap:6px}
  .domain-item .idx{grid-area:idx}
  .domain-item .name{grid-area:name}
  .domain-item .desc{grid-area:desc}
  .domain-item .mark{display:none}
  .consult-wrap{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .nav-search,.nav-side .btn{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cats{display:none}
  .nav-main{padding:12px 0}
  .page-hero .grid-container{padding-top:40px;padding-bottom:44px;min-height:260px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .compare-row{grid-template-columns:1fr}
  .compare-row .q{border-right:0;border-bottom:1px solid var(--line)}
  .compare-row.head{display:none}
  .form-grid{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:520px){
  .grid-container{padding:0 18px}
  .metrics{grid-template-columns:1fr}
  .metric .num{font-size:32px}
  .form-card{padding:22px}
  .big-card .body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#14181A;--ink-2:#2A3130;
  --paper:#F6F4EF;--surface:#FFFFFF;
  --brand:#14453B;--brand-600:#1D5B4C;
  --accent:#C4633A;--accent-2:#D9A24B;
  --line:#E3DED4;--muted:#6E7672;--promo:#E04E2A;
  --shadow-1:0 1px 2px rgba(20,24,26,.04),0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 38px -18px rgba(20,24,26,.20);
  --r-card:14px;--r-btn:8px;--r-img:12px;
  --container:1240px;--wide:1360px;
  --font:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:ui-monospace,'SFMono-Regular','Roboto Mono','Courier New',monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--paper);color:var(--ink);font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .24s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.22}
h1{font-size:clamp(34px,5vw,64px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
h2{font-size:clamp(24px,3vw,38px);line-height:1.2}
h3{font-size:20px}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.grid-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%}
.grid-x.gap-24{margin-left:-12px;margin-right:-12px}
.grid-x.gap-24>.cell{padding-left:12px;padding-right:12px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:#EAE7E0}
.section-dark h2,.section-dark h3{color:#fff}
.section-surface{background:var(--surface)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--brand);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-2)}
.lead{font-size:17px;color:var(--muted);max-width:760px}
.muted{color:var(--muted)}
.serif-note{font-family:Georgia,'Songti SC',serif;font-size:14px;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:transform .28s cubic-bezier(.2,.7,.2,1),background .28s ease,color .28s ease,box-shadow .28s ease,border-color .28s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -12px rgba(196,99,58,.95)}
.btn-primary:hover{background:#A94F2C;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);background:none;border:0;padding:0;cursor:pointer;position:relative}
.btn-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .34s cubic-bezier(.2,.7,.2,1)}
.btn-link:hover{color:var(--accent)}
.btn-link:hover::after{transform:scaleX(1)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.97);border-bottom:1px solid transparent;transition:border-color .3s ease,box-shadow .3s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(20,24,26,.4)}
.header-main{padding:14px 0 10px}
.header-row{display:flex;align-items:center;gap:24px}
.brand{font-size:23px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.brand span{color:var(--brand);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.nav-search{flex:1 1 auto;max-width:520px;min-width:0;display:flex;align-items:center;height:48px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;transition:border-color .24s ease,box-shadow .24s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.13)}
.nav-search svg{flex:0 0 auto;width:18px;height:18px;color:var(--muted)}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;margin:0;border:0;background:transparent;font-size:15px;color:var(--ink);box-shadow:none}
.nav-search input:focus{box-shadow:none;outline:none}
.nav-search button{flex:0 0 auto;height:36px;padding:0 18px;margin:0;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .24s ease}
.nav-search button:hover{background:var(--brand-600)}
.header-actions{margin-left:auto;flex:0 0 auto;display:flex;align-items:center;gap:18px}
.nav-tel{font-size:14px;color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums}
.nav-tel span{display:block;font-size:12px;color:var(--muted);font-weight:400}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-btn);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}
.nav-cats{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.nav-cats ul{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 30px;padding:11px 0}
.nav-cats a{position:relative;font-size:14px;font-weight:500;color:var(--ink-2);padding-bottom:3px;display:inline-block}
.nav-cats a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.nav-cats a:hover::after,.nav-cats a.is-active::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand);font-weight:700}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:18px 0 24px}
.mobile-panel .nav-search{max-width:none;margin-bottom:16px}
.mobile-panel ul li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2)}
.mobile-panel ul li a.is-active{color:var(--brand);font-weight:700}
.mobile-panel .m-actions{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.mobile-panel .m-tel{font-size:15px;color:var(--muted)}

/* ---------- Page hero ---------- */
.page-hero{position:relative;min-height:300px;display:flex;align-items:center;padding:56px 0 64px;overflow:hidden;background:var(--ink)}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.34}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,26,.92) 0%,rgba(20,24,26,.72) 48%,rgba(20,24,26,.42) 100%)}
.page-hero .grid-container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:900px;margin-bottom:14px}
.page-hero p{color:rgba(246,244,239,.82);font-size:17px;max-width:660px;margin-bottom:24px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:20px;display:flex;gap:8px;align-items:center}
.crumbs a{color:rgba(246,244,239,.72)}
.crumbs a:hover{color:var(--accent-2)}
.crumbs span.sep{color:rgba(246,244,239,.4)}
.crumbs .current{color:rgba(246,244,239,.6)}
.page-hero .hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Tags / badges ---------- */
.tag{display:inline-block;font-size:12px;line-height:1.6;padding:3px 12px;border-radius:999px;background:rgba(217,162,75,.16);color:#8A6412;border:1px solid rgba(217,162,75,.38)}
.tag-brand{background:rgba(20,69,59,.08);color:var(--brand);border-color:rgba(20,69,59,.2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}

/* ---------- Signal list ---------- */
.signal-wrap{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.signal-list{border-top:1px solid var(--line)}
.signal-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);transition:background .3s ease}
.signal-item:hover{background:rgba(20,69,59,.035)}
.signal-item .num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--accent-2);line-height:1.2}
.signal-item h3{margin-bottom:6px;font-size:18px}
.signal-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- Industry cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;height:100%;transition:transform .48s cubic-bezier(.2,.7,.2,1),box-shadow .48s ease,border-color .48s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,59,.32)}
.card-media{overflow:hidden;aspect-ratio:16/10;background:#EDE9E1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px 26px 26px}
.card-body h3{margin-bottom:8px}
.card-body p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.mini-list{display:grid;gap:8px}
.mini-list li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative}
.mini-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent-2)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand);color:#fff;padding:52px 0}
.cta-band .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:15px}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:38px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(20,69,59,.12))}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-38px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--surface);border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(246,244,239,1)}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:6px}
.tl-step{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em}
.tl-item h3{font-size:19px;margin:0}
.tl-dur{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px;background:var(--surface)}
.tl-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.78;max-width:760px}

/* ---------- Stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1)}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--mono);font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:6px}
.stat span{font-size:14px;color:var(--muted)}
.deliver-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:34px}
.deliver-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);padding:22px 24px;box-shadow:var(--shadow-1)}
.deliver-item h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.deliver-item h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);flex:0 0 auto}
.deliver-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);margin-top:34px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;padding:22px 4px;font-size:17px;font-weight:500;color:var(--ink);position:relative;transition:color .24s ease,background .24s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:-2px;top:22px;bottom:22px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.faq-item summary:hover::before{transform:scaleY(1)}
.faq-item summary:hover{color:var(--brand)}
.faq-item .mark{flex:0 0 auto;width:20px;height:20px;margin-left:auto;position:relative;margin-top:5px}
.faq-item .mark::before,.faq-item .mark::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .3s cubic-bezier(.2,.7,.2,1),background .3s ease}
.faq-item .mark::before{left:0;right:0;top:9px;height:2px}
.faq-item .mark::after{top:0;bottom:0;left:9px;width:2px}
.faq-item[open] .mark::after{transform:scaleY(0)}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{padding:0 44px 24px 4px;background:transparent}
.faq-answer p{margin:0 0 12px;font-size:16px;color:var(--muted);line-height:1.85}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- Form ---------- */
.consult-wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:32px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink-2)}
.req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{margin:0;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);font-size:15px;color:var(--ink);padding:0 14px;box-shadow:none;transition:border-color .24s ease,box-shadow .24s ease}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand) 50%),linear-gradient(135deg,var(--brand) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,59,.13);outline:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent)}
.err{font-size:12px;color:var(--accent);display:none}
.field.has-error .err{display:block}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);grid-column:1 / -1}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.form-tip{grid-column:1 / -1;font-size:14px;color:var(--brand);background:rgba(20,69,59,.07);border:1px solid rgba(20,69,59,.18);border-radius:var(--r-btn);padding:12px 16px;display:none}
.form-tip.show{display:block}
.consult-side{background:var(--ink);color:#EAE7E0;border-radius:var(--r-card);padding:32px}
.consult-side h3{color:#fff;margin-bottom:10px;font-size:20px}
.consult-side p{font-size:15px;color:rgba(234,231,224,.72);line-height:1.8}
.side-list{margin-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.side-list li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:15px;color:rgba(234,231,224,.86)}
.side-list li b{font-family:var(--mono);color:var(--accent-2);font-weight:700;flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9CFCB;padding:64px 0 0;border-top:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.f-logo{display:block;font-size:21px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.f-logo span{color:var(--accent-2)}
.site-footer p{font-size:14px;line-height:1.8;color:#9AA3A0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{font-size:14px;color:#C9CFCB}
.site-footer ul li a:hover{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:6px}
.f-sub input{flex:1 1 auto;min-width:0;height:44px;margin:0;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px;padding:0 14px}
.f-sub input::placeholder{color:#8A918E}
.f-sub input:focus{border-color:var(--accent-2);outline:none;box-shadow:0 0 0 3px rgba(217,162,75,.16)}
.f-sub button{height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .24s ease,transform .24s ease}
.f-sub button:hover{background:#A94F2C;transform:translateY(-1px)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8A918E}
.footer-bottom a{color:#8A918E}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}

/* ---------- Responsive ---------- */
@media (max-width:1440px){
  .grid-container{max-width:var(--container)}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .signal-wrap{grid-template-columns:1fr;gap:32px}
  .consult-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .nav-search{max-width:380px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .header-main{padding:12px 0}
  .nav-search,.header-actions{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .nav-cats{display:none}
  .mobile-panel.open{display:block}
  .page-hero{min-height:260px;padding:40px 0 48px}
  .page-hero::after{background:linear-gradient(180deg,rgba(20,24,26,.9) 0%,rgba(20,24,26,.72) 100%)}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-item::before{left:-30px;width:13px;height:13px}
  .deliver-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .consult-side{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  .signal-item{grid-template-columns:44px 1fr;gap:14px}
  .signal-item .num{font-size:21px}
  .stat{padding:20px 18px}
  .stat b{font-size:25px}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .brand{font-size:20px}
  .btn{width:100%}
  .page-hero .hero-cta{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#14181A;
  --ink-2:#2A3130;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --brand:#14453B;
  --brand-600:#1D5B4C;
  --accent:#C4633A;
  --accent-2:#D9A24B;
  --line:#E3DED4;
  --muted:#6E7672;
  --promo:#E04E2A;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04),0 8px 24px -12px rgba(20,24,26,.10);
  --shadow-2:0 2px 6px rgba(20,24,26,.07),0 20px 44px -20px rgba(20,24,26,.22);
  --font-head:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:ui-monospace,'SFMono-Regular',Menlo,Consolas,'Courier New',monospace;
  --c-max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-head);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(34px,5vw,64px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,38px);line-height:1.25}
h3{font-size:20px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:var(--c-max);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.sec{padding:104px 0}
.sec--tight{padding:76px 0}
.sec--paper{background:var(--paper)}
.sec--white{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.lead{font-size:17px;color:var(--ink-2);line-height:1.9}
.muted{color:var(--muted)}
.small{font-size:14px;line-height:1.75}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;text-align:center;white-space:nowrap;
  transition:transform .24s cubic-bezier(.2,.7,.2,1),background-color .24s ease,color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#A9502C;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,69,59,.08);color:var(--brand)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent-2);color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-link{background:transparent;border:0;padding:0;height:auto;color:var(--brand);font-weight:600}
.btn-link:hover{color:var(--accent)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-block;padding:3px 11px;border-radius:var(--r-pill);font-size:12px;line-height:1.6;font-weight:600;background:rgba(217,162,75,.20);color:#8A5F17}
.badge--brand{background:rgba(20,69,59,.10);color:var(--brand)}
.badge--solid{background:var(--accent-2);color:#3A2A08}

/* ---------- 顶部通知条 ---------- */
.topbar{background:var(--brand);color:#EDEFEA;font-size:14px}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:44px}
.topbar-inner strong{color:var(--accent-2);font-weight:700}
.topbar-close{background:transparent;border:0;color:#C6CFC9;font-size:20px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:6px}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.10)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(20,24,26,.4)}
.nav-main{display:flex;align-items:center;gap:24px;padding-top:16px;padding-bottom:16px}
.logo{font-family:var(--font-head);font-size:22px;font-weight:800;letter-spacing:.01em;color:var(--ink);white-space:nowrap;flex:none}
.logo span{color:var(--accent)}
.logo:hover{color:var(--ink)}
.nav-search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 18px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper);transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px rgba(20,69,59,.18)}
.nav-search i{color:var(--muted);font-size:15px}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;font-size:15px;outline:none}
.nav-search input::placeholder{color:#9AA19D}
.nav-search button{flex:none;height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .22s ease}
.nav-search button:hover{background:var(--brand-600)}
.nav-side{display:flex;align-items:center;gap:18px;flex:none;margin-left:auto}
.nav-tel{font-size:14px;color:var(--ink-2);font-weight:600;white-space:nowrap}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;color:var(--ink)}
.nav-cats{border-top:1px solid var(--line);background:var(--surface)}
.nav-cats ul{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;list-style:none;padding:0;margin:0}
.nav-cats a{
  position:relative;display:inline-block;padding:14px 16px;font-size:14px;color:var(--ink-2);font-weight:500;
}
.nav-cats a::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.2,1)}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.is-active{color:var(--brand);font-weight:700}
.nav-cats a.is-active::after{transform:scaleX(1);background:var(--accent);height:2px}
.mobile-panel{display:none}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--muted);padding:18px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.crumb li::after{content:"/";margin-left:8px;color:#BFC3BE}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .now{color:var(--ink-2);font-weight:600}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,24,26,.86) 0%,rgba(20,24,26,.68) 55%,rgba(20,69,59,.62) 100%)}
.page-hero .grid-container{position:relative;z-index:2}
.page-hero-inner{min-height:320px;display:flex;flex-direction:column;justify-content:center;padding:56px 0 60px;max-width:820px}
.page-hero h1{color:#fff;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:var(--accent-2)}
.page-hero p{font-size:17px;line-height:1.9;color:#DCE1DC;max-width:660px}
.page-hero .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.page-hero .badge{background:rgba(255,255,255,.14);color:#F1EFE8}
.page-hero .btn{margin-top:26px}
.page-hero .crumb{position:relative;z-index:2;padding-top:20px}
.page-hero .crumb ol,.page-hero .crumb a{color:#B8C1BB}
.page-hero .crumb a:hover{color:var(--accent-2)}
.page-hero .crumb .now{color:#fff}
.page-hero .crumb li::after{color:#7E8A82}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);box-shadow:var(--shadow-1);overflow:hidden}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--brand);letter-spacing:-.02em}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- 编号列表 ---------- */
.num-list{list-style:none;display:grid;gap:0}
.num-list li{display:grid;grid-template-columns:74px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);transition:padding-left .3s ease}
.num-list li:first-child{padding-top:8px}
.num-list li:hover{padding-left:8px}
.num-list .n{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:-.03em}
.num-list h3{margin-bottom:8px;font-size:19px}
.num-list p{color:var(--ink-2);font-size:15.5px;margin:0}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split--media-left{grid-template-columns:1fr 1fr}
.media-frame{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
.media-frame:hover img{transform:scale(1.03)}
.figure-cap{font-size:13px;color:var(--muted);margin-top:10px;font-style:italic}

/* ---------- 对比表 ---------- */
.cmp-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.cmp-table{width:100%;border-collapse:collapse;margin:0}
.cmp-table th,.cmp-table td{padding:18px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp-table thead th{background:#F1EEE6;color:var(--brand);font-weight:700;font-size:15px;white-space:nowrap}
.cmp-table thead th:first-child{color:var(--muted);font-weight:600;font-size:14px}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover td{background:#FBF9F4}
.cmp-table td:first-child{color:var(--muted);font-size:14px;font-weight:600;width:24%}
.cmp-table .col-rec{background:rgba(217,162,75,.10)}
.cmp-table thead th.col-rec{background:rgba(217,162,75,.22)}
.price{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.rec-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tick{color:var(--brand);font-size:13px;margin-right:6px}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--brand);color:#fff;border-radius:var(--r-card);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--shadow-1);
}
.cta-strip h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:8px}
.cta-strip p{color:#CBD6CF;margin:0;font-size:15.5px}
.cta-final{background:var(--ink);color:#E4E6E3;padding:72px 0}
.cta-final h2{color:#fff;margin-bottom:12px}
.cta-final p{color:#A9B0AB;max-width:620px;margin-bottom:0}
.cta-final .cta-final-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ---------- 时间轴 ---------- */
.steps{list-style:none;position:relative;margin:0;padding-left:0}
.steps::before{content:"";position:absolute;left:11px;top:10px;bottom:26px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(20,69,59,.10))}
.steps li{position:relative;padding:0 0 34px 52px}
.steps li:last-child{padding-bottom:0}
.steps li::before{content:"";position:absolute;left:0;top:4px;width:24px;height:24px;border-radius:50%;background:var(--surface);border:2px solid var(--brand)}
.steps li::after{content:"";position:absolute;left:7px;top:11px;width:10px;height:10px;border-radius:50%;background:var(--accent)}
.steps h3{font-size:18px;margin-bottom:6px}
.steps .step-tag{font-family:var(--font-num);font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.04em;display:block;margin-bottom:6px}
.steps p{color:var(--ink-2);font-size:15.5px;margin:0}

/* ---------- FAQ ---------- */
.faq-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--shadow-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 18px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:500;color:var(--ink);position:relative;transition:color .22s ease;
}
.faq-q::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(.4);width:2px;height:26px;background:var(--accent);opacity:0;transition:opacity .24s ease,transform .24s ease}
.faq-q:hover{color:var(--brand)}
.faq-q:hover::before{opacity:1;transform:translateY(-50%) scaleY(1)}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .26s ease,opacity .26s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s cubic-bezier(.2,.7,.2,1)}
.faq-a-inner{background:var(--paper);border-radius:10px;padding:16px 20px;margin:0 0 20px;font-size:15.5px;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.consult{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:34px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink-2)}
.req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-btn);font-size:15px;transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,69,59,.18)}
.field input.is-error,.field select.is-error,.field textarea.is-error{border-color:var(--accent)}
.field .hint{font-size:12px;color:var(--muted)}
.field .err{font-size:12px;color:var(--accent);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:4px;flex:none;accent-color:var(--brand)}
.form-tip{margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:rgba(20,69,59,.08);color:var(--brand);font-size:14px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1)}
.info-list{list-style:none;display:grid;gap:14px;margin-top:18px}
.info-list li{display:grid;grid-template-columns:88px 1fr;gap:12px;font-size:15px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list b{color:var(--muted);font-weight:600;font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#D5D9D5;padding:76px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700;letter-spacing:.02em}
.site-footer p{font-size:14px;line-height:1.85;color:#A9B0AB;margin:0}
.site-footer ul{list-style:none;display:grid;gap:10px}
.site-footer a{color:#C9CFCB;font-size:14px}
.site-footer a:hover{color:var(--accent-2)}
.f-logo{display:inline-block;font-family:var(--font-head);font-size:22px;font-weight:800;color:#fff;letter-spacing:.01em;margin-bottom:14px}
.f-logo span{color:var(--accent-2)}
.f-sub{display:flex;gap:8px;margin-top:14px}
.f-sub input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.f-sub input::placeholder{color:#88908B}
.f-sub input:focus{outline:none;border-color:var(--accent-2);box-shadow:0 0 0 2px rgba(217,162,75,.25)}
.f-sub button{height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:background-color .22s ease}
.f-sub button:hover{background:#A9502C}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8D958F}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search{max-width:340px}
  .split{grid-template-columns:1fr;gap:32px}
  .consult{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .sec{padding:80px 0}
  .num-list li{grid-template-columns:60px 1fr;gap:16px}
}
@media (max-width:768px){
  .nav-main{flex-wrap:wrap;gap:14px;padding-top:14px;padding-bottom:14px}
  .nav-search{display:none}
  .nav-tel{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-side .btn{display:none}
  .nav-cats{display:none}
  .mobile-panel{display:none;background:var(--surface);border-top:1px solid var(--line);padding:18px 0 22px}
  body.nav-open .mobile-panel{display:block}
  .mobile-panel .m-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 6px 0 16px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--paper);margin-bottom:16px}
  .mobile-panel .m-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;outline:none;font-size:15px}
  .mobile-panel .m-search button{height:36px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;cursor:pointer}
  .m-cats{list-style:none;display:grid;gap:2px;margin-bottom:18px}
  .m-cats a{display:block;padding:12px 2px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
  .m-cats a.is-active{color:var(--brand);font-weight:700}
  .m-actions{display:grid;gap:12px}
  .m-tel{font-size:14px;color:var(--muted)}
  .page-hero-inner{min-height:280px;padding:40px 0 44px}
  .page-hero p{font-size:16px}
  .sec{padding:60px 0}
  .sec--tight{padding:52px 0}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .num-list li{grid-template-columns:1fr;gap:8px}
  .num-list .n{font-size:22px}
  .cta-strip{padding:30px 24px}
  .cta-strip .btn{width:100%}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .faq-box{padding:6px 20px}
  .faq-q{padding-left:14px;font-size:16px}

  .cmp-wrap{background:transparent;border:0;box-shadow:none;border-radius:0}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
  .cmp-table thead{display:none}
  .cmp-table tr{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:8px 0;margin-bottom:18px}
  .cmp-table tbody tr:hover td{background:transparent}
  .cmp-table td{border-bottom:1px dashed var(--line);padding:12px 18px;display:grid;grid-template-columns:104px 1fr;gap:12px;font-size:15px}
  .cmp-table td::before{content:attr(data-label);color:var(--muted);font-size:13px;font-weight:600}
  .cmp-table td:first-child{display:block;width:auto;font-size:17px;font-weight:700;color:var(--ink);background:transparent;border-bottom:1px solid var(--line);padding:10px 18px}
  .cmp-table td:first-child::before{display:none}
  .cmp-table tr td:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  h1{font-size:32px}
  .stat-row{grid-template-columns:1fr}
  .stat{border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .btn{width:100%}
  .cta-final .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}