/* roulang page: index */
:root{
  --green:#14453D;
  --green-dark:#0C2A25;
  --green-mid:#1B5A4F;
  --green-light:#E3EDE9;
  --amber:#E3892A;
  --amber-light:#FBE7CB;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --surface:#EDE7DC;
  --line:#DCD5C8;
  --ink:#16211F;
  --body:#3D4B48;
  --muted:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 24px rgba(22,33,31,.10);
  --sh-3:0 18px 40px rgba(12,42,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1220px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--green-mid)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.container{max-width:var(--container);margin:0 auto;padding-left:clamp(16px,4vw,40px);padding-right:clamp(16px,4vw,40px);width:100%}
.section{padding-top:clamp(56px,8vw,104px);padding-bottom:clamp(56px,8vw,104px)}
.section--tint{background:var(--green-light)}
.section--paper{background:var(--surface)}
.section--line{border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,44px);flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--green-light);color:var(--green);font-size:13px;font-weight:600;letter-spacing:.02em}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-mid);border-color:var(--green-mid);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green-light);color:var(--green);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green)}
.link-arrow .arw{transition:transform .2s var(--ease);display:inline-block}
.link-arrow:hover .arw{transform:translateX(3px)}
.chip{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6}
.chip-cat{background:#fff;color:var(--green);border:1px solid var(--green)}
.chip-amber{background:var(--amber-light);color:var(--warn)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 clamp(12px,3vw,24px)}
.nav-cap{
  max-width:1180px;margin:0 auto;height:60px;display:flex;align-items:center;gap:16px;
  padding:8px 10px 8px 18px;border-radius:999px;background:rgba(255,255,255,.88);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck .nav-cap{background:#fff;box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--green)}
.brand-mark{width:30px;height:30px;flex:0 0 auto;color:var(--green)}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:.14em;margin-top:3px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--body);transition:all .2s var(--ease)}
.nav-menu a:hover{background:var(--green-light);color:var(--green)}
.nav-menu a.active{background:var(--green-light);color:var(--green);font-weight:700}
.nav-cta{margin-left:8px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;margin-left:auto;background:transparent;border:0;border-radius:50%;color:var(--green);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--green-light)}
.nav-drawer{position:fixed;inset:0;background:var(--bg);z-index:120;padding:24px clamp(18px,5vw,32px) 32px;display:none;flex-direction:column;overflow-y:auto}
.nav-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--green);font-size:20px;line-height:1;cursor:pointer}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{padding:16px 6px;border-bottom:1px solid var(--line);font-size:19px;font-weight:700;color:var(--ink)}
.drawer-links a.active{color:var(--green)}
.drawer-foot{margin-top:auto;padding-top:28px;font-size:14px;color:var(--muted)}
.drawer-foot .btn{width:100%;margin-top:16px}
body.no-scroll{overflow:hidden}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(36px,5vw,68px);padding-bottom:clamp(52px,7vw,96px);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:22px 22px;opacity:.28;pointer-events:none}
.hero .container{position:relative}
.hero-grid{align-items:center}
.hero h1{font-size:clamp(30px,4vw,52px);font-weight:700;line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin:20px 0 18px}
.hero-sub{font-size:clamp(15.5px,1.4vw,18px);line-height:1.75;color:var(--body);max-width:34em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:0 26px;border-top:1px solid var(--line);padding-top:20px}
.hero-facts li{display:flex;flex-direction:column;padding-right:26px;border-right:1px solid var(--line)}
.hero-facts li:last-child{border-right:0;padding-right:0}
.hero-facts strong{font-size:20px;font-weight:700;color:var(--ink);line-height:1.3}
.hero-facts span{font-size:12px;color:var(--muted);margin-top:2px}
.hero-media{position:relative;margin-top:8px}
.media{position:relative;overflow:hidden;border-radius:var(--r-l);background:var(--surface)}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media-hero{aspect-ratio:16/11;box-shadow:var(--sh-3)}
.media-hero img{transition:transform .5s var(--ease)}
.media-fallback{display:none;position:absolute;inset:0;align-items:center;justify-content:center;font-size:44px;font-weight:800;color:rgba(20,69,61,.28);letter-spacing:.06em}
.media.is-fallback{background:var(--green-light)}
.media.is-fallback .media-fallback{display:flex}
.float-card{position:absolute;right:-6px;bottom:-26px;background:#fff;border-radius:var(--r-m);border:1px solid var(--line);box-shadow:var(--sh-3);padding:16px 18px;max-width:250px}
.float-card .fc-top{display:flex;align-items:baseline;gap:8px}
.float-card .float-num{font-size:30px;font-weight:800;color:var(--ink);line-height:1}
.float-card p{font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:8px}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:26px 24px;box-shadow:var(--sh-1);transition:all .2s var(--ease)}
.metric-card:hover{box-shadow:var(--sh-2);border-color:var(--green)}
.metric-card.big{grid-column:span 3;padding:30px 28px}
.metric-card.small{grid-column:span 2}
.metric-label{font-size:13px;color:var(--muted);letter-spacing:.02em}
.metric-value{font-size:clamp(30px,3.4vw,46px);font-weight:800;color:var(--ink);line-height:1.15;margin:8px 0 4px;letter-spacing:-.02em}
.metric-card.small .metric-value{font-size:clamp(24px,2.6vw,34px)}
.metric-value .unit{font-size:.45em;font-weight:600;color:var(--muted);margin-left:6px;letter-spacing:0}
.metric-desc{font-size:13.5px;color:var(--body);line-height:1.65}
.metric-bar{height:6px;border-radius:999px;background:var(--surface);margin-top:16px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:var(--green)}
.metric-bar i.amber{background:var(--amber)}

/* ---------- 服务矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:5fr 7fr;gap:18px;align-items:stretch}
.matrix-main{position:relative;background:var(--green);color:#fff;border-radius:var(--r-l);padding:34px 30px;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--sh-2)}
.matrix-main .big-num{position:absolute;right:18px;top:6px;font-size:96px;font-weight:800;color:rgba(255,255,255,.08);line-height:1;letter-spacing:-.04em}
.matrix-main h3{font-size:24px;font-weight:700;line-height:1.3;color:#fff;margin:14px 0 12px;position:relative}
.matrix-main p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82);position:relative}
.matrix-main .link-arrow{color:var(--amber-light);margin-top:auto;padding-top:24px;position:relative}
.matrix-main .link-arrow:hover{color:#fff}
.matrix-sub{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.m-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:24px 22px;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:all .2s var(--ease)}
.m-card:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--sh-2)}
.m-card .m-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.m-card .m-num{font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em}
.m-card .m-icon{width:34px;height:34px;border-radius:10px;background:var(--green-light);color:var(--green);display:flex;align-items:center;justify-content:center}
.m-card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.35}
.m-card p{font-size:13.8px;line-height:1.75;color:var(--body);margin:8px 0 16px}
.m-card .link-arrow{font-size:13.5px;margin-top:auto}

/* ---------- 结果对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-card{border-radius:var(--r-l);padding:30px 28px;border:1px solid var(--line)}
.compare-base{background:var(--surface)}
.compare-now{background:var(--green-light);border-color:#C9DED7}
.compare-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}
.compare-card .cmp-note{font-size:13px;color:var(--muted);margin-bottom:22px}
.cmp-row{display:grid;grid-template-columns:88px 1fr 72px;align-items:center;gap:12px;padding:9px 0}
.cmp-name{font-size:13.5px;color:var(--body)}
.cmp-bar{height:8px;border-radius:999px;background:rgba(22,33,31,.08);overflow:hidden}
.cmp-bar i{display:block;height:100%;border-radius:999px;background:#A9A296;transition:width .6s var(--ease)}
.compare-now .cmp-bar i{background:var(--green)}
.cmp-val{font-size:13.5px;font-weight:700;color:var(--ink);text-align:right}
.compare-foot{margin-top:26px;font-size:14px;line-height:1.8;color:var(--body);max-width:62em}
.compare-foot b{color:var(--green);font-weight:700}

/* ---------- 最新信息 ---------- */
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);transition:all .2s var(--ease);height:100%;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--sh-2)}
.card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .card-media img{transform:scale(1.03)}
.card-media .chip{position:absolute;left:12px;top:12px}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-title a{color:inherit}
.card-title a:hover{color:var(--green)}
.card-excerpt{font-size:13.5px;line-height:1.7;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12.5px;color:var(--muted);margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.news-card .link-arrow{margin-top:12px;font-size:13.5px}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-m);padding:40px 24px;text-align:center;background:rgba(255,255,255,.55)}
.empty-state .es-ico{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;background:var(--green-light);color:var(--green);display:flex;align-items:center;justify-content:center}
.empty-state p{font-size:14.5px;color:var(--muted)}
.empty-state .link-arrow{margin-top:12px}

/* ---------- 中段 CTA ---------- */
.cta-band{background:var(--green-dark);border-radius:var(--r-l);padding:clamp(28px,4vw,44px) clamp(24px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-band .cta-txt strong{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:700;color:#fff;line-height:1.35;letter-spacing:-.01em}
.cta-band .cta-txt span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
.cta-band .btn-primary{background:var(--amber);border-color:var(--amber);color:#2A1B08}
.cta-band .btn-primary:hover{background:#F09A3C;border-color:#F09A3C;color:#2A1B08}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;transition:border-color .2s var(--ease)}
.faq-item:hover{border-color:var(--amber)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6}
.faq-sign{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--green);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:all .2s var(--ease)}
.faq-item.open .faq-sign{background:var(--green);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.75;color:var(--muted);max-width:64em}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.form-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(22px,3vw,34px);box-shadow:var(--sh-1)}
.form-panel h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:var(--ink);line-height:1.3}
.form-panel .f-sub{font-size:14px;color:var(--muted);margin:8px 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field label .req{color:var(--err);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%236E7C79' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(20,69,61,.12)}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A2}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--muted);line-height:1.65;margin:6px 0 20px}
.check-line input{width:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--green)}
.form-panel .btn{width:100%}
.form-ok{display:none;margin-top:16px;padding:14px 16px;border-radius:10px;background:var(--green-light);color:var(--green);font-size:14px;line-height:1.7;border:1px solid #C9DED7}
.form-ok.show{display:block}
.info-card{background:var(--green);color:#fff;border-radius:var(--r-l);padding:clamp(22px,3vw,32px);box-shadow:var(--sh-2)}
.info-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:18px}
.info-list li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);display:flex;gap:14px;align-items:flex-start}
.info-list li:last-child{border-bottom:0}
.info-list .k{font-size:12.5px;color:rgba(255,255,255,.6);min-width:58px;padding-top:2px}
.info-list .v{font-size:15px;color:#fff;font-weight:600;line-height:1.6}
.qr-box{margin-top:22px;display:flex;gap:16px;align-items:center}
.qr-slot{width:92px;height:92px;border:1.5px dashed rgba(255,255,255,.4);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.6);text-align:center;line-height:1.4;flex:0 0 auto}
.qr-box p{font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-dark);color:rgba(255,255,255,.78);padding:clamp(48px,6vw,72px) 0 26px;margin-top:clamp(56px,8vw,104px)}
.footer-grid{gap:0}
.f-brand .brand-name{color:#fff;font-size:18px}
.f-brand .brand-sub{color:rgba(255,255,255,.55)}
.f-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin-top:16px;max-width:26em}
.f-phone{display:block;font-size:19px;font-weight:700;color:var(--amber-light);margin-top:16px;letter-spacing:.01em}
.f-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.f-links li{margin-bottom:10px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.f-links a:hover{color:var(--amber)}
.footer-bottom{margin-top:clamp(32px,4vw,48px);padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--amber)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s var(--ease);z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--green-mid)}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-menu a{padding:8px 11px;font-size:14px}
  .matrix-grid{grid-template-columns:1fr}
  .matrix-main{padding:30px 26px}
  .matrix-main .big-num{font-size:80px}
}
@media (max-width:1023px){
  .hero h1{font-size:clamp(28px,5vw,40px)}
  .hero-media{margin-top:34px}
  .float-card{right:12px;bottom:-22px}
  .contact-grid{grid-template-columns:1fr}
  .metric-card.big,.metric-card.small{grid-column:span 3}
}
@media (max-width:900px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-cap{height:56px;padding:6px 8px 6px 16px}
  .compare-grid{grid-template-columns:1fr}
  .matrix-sub{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hero-facts{gap:16px 0}
  .hero-facts li{width:50%;border-right:0;padding-right:0}
  .hero-facts li:nth-child(3){width:100%}
  .hero-actions .btn{width:100%}
  .metric-grid{grid-template-columns:1fr}
  .metric-card.big,.metric-card.small{grid-column:span 1}
  .matrix-sub{grid-template-columns:1fr}
  .cmp-row{grid-template-columns:76px 1fr 64px;gap:8px}
  .form-row{grid-template-columns:1fr}
  .float-card{position:static;margin-top:14px;max-width:none}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink:#14453D;
  --ink-deep:#0C2A25;
  --ink-soft:#E3EDE9;
  --amber:#E3892A;
  --amber-soft:#FBE7CB;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --surface:#EDE7DC;
  --line:#DCD5C8;
  --text:#16211F;
  --body:#3D4B48;
  --muted:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 24px rgba(22,33,31,.10);
  --sh-3:0 18px 40px rgba(12,42,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-y:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--text);margin:0 0 .5em;font-weight:700;line-height:1.25;letter-spacing:-.01em;font-family:inherit}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1em}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
a:hover{color:#1B5A4F}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.container{width:100%;max-width:1220px;margin:0 auto;padding-left:clamp(16px,4vw,40px);padding-right:clamp(16px,4vw,40px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:var(--ink-soft);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* 悬浮胶囊导航 */
.site-header{position:sticky;top:0;z-index:90;padding:12px clamp(10px,3vw,24px)}
.nav-cap{
  position:relative;z-index:91;
  max-width:1180px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled .nav-cap{background:#FFFFFF;box-shadow:var(--sh-2);border-color:#D3CBBC}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;color:var(--ink);flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.015em;color:var(--text)}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--muted);margin-top:3px}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--body);white-space:nowrap}
.nav-menu a:hover{background:var(--surface);color:var(--ink)}
.nav-menu a.active{background:var(--ink-soft);color:var(--ink);font-weight:600}
.nav-drawer-extra{display:none}
.nav-cta{margin-left:6px;flex:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);margin-left:auto;
}
.nav-toggle:hover{background:var(--ink-soft)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#1B5A4F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink)}
.btn-light{background:var(--paper);color:var(--ink-deep)}
.btn-light:hover{background:#fff;color:var(--ink-deep);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(246,243,237,.45);color:#F6F3ED;background:transparent}
.btn-outline-light:hover{background:rgba(246,243,237,.12);border-color:rgba(246,243,237,.8);color:#fff}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* 面包屑 */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--muted);padding:18px 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#BDB5A6}
.crumb .now{color:var(--ink);font-weight:600;max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章标题带 */
.page-band{
  position:relative;overflow:hidden;
  background-color:var(--ink-deep);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-band::before{content:"";position:absolute;inset:0;background:rgba(12,42,37,.87)}
.page-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:22px 22px;opacity:.7;pointer-events:none;
}
.page-band .container{position:relative;z-index:2;padding-top:clamp(30px,5vw,54px);padding-bottom:clamp(32px,5vw,58px)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;font-size:13.5px;color:rgba(246,243,237,.76)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(246,243,237,.4)}
.tag-pill{display:inline-flex;align-items:center;height:27px;padding:0 13px;border-radius:999px;background:var(--amber-soft);color:#8A4B0B;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.article-title{color:#F6F3ED;font-size:clamp(26px,3.6vw,44px);line-height:1.28;max-width:920px;margin:0}

/* 正文布局 */
.article-wrap{padding:clamp(36px,6vw,72px) 0 clamp(28px,4vw,48px)}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px}
.article-main{max-width:760px;width:100%;margin:0 auto;min-width:0}
.article-aside{display:none}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,760px) 280px;justify-content:center;gap:clamp(36px,4.5vw,64px)}
  .article-main{margin:0}
  .article-aside{display:block}
}
.aside-inner{position:sticky;top:96px;display:grid;gap:18px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.aside-title{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--muted);margin:0 0 14px}
.aside-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.aside-list a{display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink);border:1px solid transparent}
.aside-list a small{display:block;font-size:12.5px;font-weight:400;color:var(--muted);margin-top:2px}
.aside-list a:hover{background:var(--ink-soft);border-color:#CFE0DA}
.aside-consult{background:var(--ink-soft);border-color:#CFE0DA}
.aside-consult p{font-size:14px;line-height:1.75;color:#2E4B45;margin:0 0 16px}
.aside-consult .btn{width:100%}
.aside-tel{display:block;text-align:center;margin-top:12px;font-size:16px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

/* 正文排版 */
.content-body{font-size:17px;line-height:1.9;color:var(--body)}
.content-body > * + *{margin-top:1.2em}
.content-body h2{position:relative;font-size:clamp(21px,2.4vw,26px);margin-top:2em;padding-left:15px;color:var(--text)}
.content-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;background:var(--ink)}
.content-body h3{font-size:20px;margin-top:1.6em;color:var(--text)}
.content-body h4{font-size:17.5px;margin-top:1.4em;color:var(--text)}
.content-body p{margin:0}
.content-body ul,.content-body ol{padding-left:1.35em;margin-top:1.2em}
.content-body li + li{margin-top:.45em}
.content-body li::marker{color:var(--amber)}
.content-body a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.content-body a:hover{color:#1B5A4F}
.content-body strong{color:var(--text);font-weight:700}
.content-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--ink-soft);
  border-left:3px solid var(--ink);border-radius:0 var(--r-md) var(--r-md) 0;color:#22403A;
}
.content-body blockquote p:last-child{margin-bottom:0}
.content-body img{border-radius:var(--r-md);margin:1.6em auto;max-width:100%;height:auto}
.content-body figure{margin:1.6em 0}
.content-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}
.content-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.6em 0;
  -webkit-overflow-scrolling:touch;
}
.content-body th,.content-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.content-body th{background:var(--surface);color:var(--text);font-weight:700;white-space:nowrap}
.content-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.content-body code{background:var(--surface);border-radius:6px;padding:2px 6px;font-size:.92em}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-md);
  padding:44px 24px;text-align:center;background:var(--card);
}
.empty-state .es-icon{width:46px;height:46px;margin:0 auto 14px;color:var(--ink);opacity:.7}
.empty-state p{margin:0 0 8px;font-size:15.5px;color:var(--body)}
.empty-state .es-link{font-weight:600;color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* 上下篇 / 返回 */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:44px}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-nav-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-nav-card.right{text-align:right}
.pn-label{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.pn-title{font-size:16px;font-weight:600;color:var(--text)}

/* 相关推荐 */
.related{padding:0 0 var(--pad-y);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.sec-head h2{margin:0 0 6px}
.sec-sub{font-size:15px;color:var(--muted);margin:0}
.sec-link{font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.sec-link span{transition:transform .2s var(--ease)}
.sec-link:hover span{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--ink)}
.pc-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface);display:block}
.pc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .pc-thumb img{transform:scale(1.03)}
.pc-badge{
  position:absolute;top:12px;left:12px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.94);border:1px solid var(--ink);
  color:var(--ink);font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.pc-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-desc{font-size:14px;line-height:1.7;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pc-meta{font-size:13px;color:var(--muted);margin-top:auto;display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.pc-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3BBAC}
.pc-more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.pc-more span{transition:transform .2s var(--ease)}
.post-card:hover .pc-more span{transform:translateX(3px)}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;color:#F6F3ED;
  background-color:var(--ink-deep);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(12,42,37,.9)}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;padding:clamp(44px,6vw,68px) 0}
.cta-inner h2{color:#F6F3ED;margin:0 0 10px;font-size:clamp(22px,2.8vw,30px)}
.cta-inner p{margin:0;font-size:15px;color:rgba(246,243,237,.76);max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:rgba(246,243,237,.82);padding:clamp(48px,7vw,80px) 0 0;margin-top:0}
.footer-grid > .cell{margin-bottom:34px}
.f-brand .brand{margin-bottom:16px}
.f-brand .brand-name{color:#F6F3ED}
.f-brand .brand-sub{color:rgba(246,243,237,.55)}
.f-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,237,.7);max-width:34em;margin:0}
.f-phone{display:inline-block;margin-top:14px;font-size:22px;font-weight:700;color:var(--amber-soft);font-variant-numeric:tabular-nums}
.f-phone:hover{color:#fff}
.f-title{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:rgba(246,243,237,.55);margin:0 0 16px}
.f-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.f-links a{font-size:14px;color:rgba(246,243,237,.82)}
.f-links a:hover{color:var(--amber)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;margin-top:6px;font-size:13px;color:rgba(246,243,237,.55);
}
.footer-bottom p{margin:0}

/* 返回顶部 */
.back-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;display:grid;place-items:center;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),background-color .2s var(--ease);
  box-shadow:var(--sh-2);z-index:70;
}
.back-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{background:#1B5A4F}

/* 响应式 */
@media (max-width:899px){
  .nav-cap{backdrop-filter:none;-webkit-backdrop-filter:none;background:#FFFFFF;height:58px}
  .nav-menu{
    position:fixed;inset:0;z-index:75;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;padding:96px 22px 32px;margin:0;
    background:var(--paper);overflow-y:auto;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{font-size:19px;font-weight:600;padding:16px 18px;border-radius:var(--r-md);color:var(--text)}
  .nav-menu a:hover,.nav-menu a.active{background:var(--ink-soft);color:var(--ink)}
  .nav-drawer-extra{display:block;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
  .nav-drawer-extra .btn{width:100%}
  .nav-drawer-extra .drawer-tel{display:block;text-align:center;margin-top:14px;font-size:17px;font-weight:700;color:var(--ink)}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand{margin-right:auto}
}
@media (max-width:640px){
  body{font-size:16px}
  .content-body{font-size:16.5px;line-height:1.85}
  .article-title{font-size:clamp(23px,6vw,30px)}
  .crumb .now{max-width:62vw}
  .aside-inner{position:static}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .brand-sub{display:none}
  .post-nav-card.right{text-align:left}
  .related{padding-bottom:clamp(40px,8vw,64px)}
}
@media (min-width:1440px){
  .container{max-width:1220px}
}

/* roulang page: category1 */
:root{
  --ink:#14453D;
  --ink-dark:#0C2A25;
  --ink-soft:#E3EDE9;
  --amber:#E3892A;
  --amber-soft:#FBE7CB;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --surface:#EDE7DC;
  --line:#DCD5C8;
  --t1:#16211F;
  --t2:#3D4B48;
  --t3:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r8:8px;
  --r14:14px;
  --r20:20px;
  --pill:999px;
  --sh1:0 1px 2px rgba(22,33,31,.06);
  --sh2:0 10px 24px rgba(22,33,31,.10);
  --sh3:0 18px 40px rgba(12,42,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1220px;
  --pad:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--amber);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4vw,52px);line-height:1.15;font-weight:700;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}
.section{padding-top:clamp(56px,8vw,104px);padding-bottom:clamp(56px,8vw,104px);}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px);}
.section-head p{margin:12px 0 0;color:var(--t3);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:var(--ink-soft);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:18px;
}
.eyebrow--amber{background:var(--amber-soft);color:#8A4E10;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px clamp(12px,3vw,24px) 0;}
.nav-cap{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  height:60px;padding:8px 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--pill);
  box-shadow:var(--sh1);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled .nav-cap{background:#fff;box-shadow:var(--sh2);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;color:var(--ink);flex:0 0 auto;}
.brand-txt{display:flex;align-items:baseline;gap:8px;white-space:nowrap;}
.brand-name{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--t3);letter-spacing:.08em;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:var(--pill);
  font-size:15px;color:var(--t2);font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-menu a:hover{background:var(--surface);color:var(--t1);}
.nav-menu a.active{background:var(--ink-soft);color:var(--ink);font-weight:600;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  margin-left:auto;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  color:var(--ink);cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:#1B5A4F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-on-dark{background:var(--amber);color:#2A1704;}
.btn-on-dark:hover{background:#F0A046;color:#2A1704;transform:translateY(-1px);}
.btn-outline-light{border-color:rgba(255,255,255,.4);color:#F6F3ED;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 分类标题带 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  margin:16px clamp(12px,3vw,24px) 0;
  border-radius:var(--r20);
  background:linear-gradient(150deg,#14453D 0%,#0C2A25 100%);
  color:#E9F0EC;
  padding:clamp(28px,4vw,44px) 0 clamp(30px,4vw,46px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,137,42,.20),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(233,240,236,.66);margin-bottom:20px;}
.crumbs a{color:rgba(233,240,236,.82);}
.crumbs a:hover{color:var(--amber-soft);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--amber-soft);}
.page-hero h1{color:#fff;max-width:900px;font-size:clamp(28px,3.6vw,46px);}
.page-hero .lede{margin:16px 0 0;max-width:720px;font-size:16.5px;color:rgba(233,240,236,.84);line-height:1.8;}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill-nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--pill);
  font-size:13.5px;color:#E9F0EC;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  transition:all .2s var(--ease);
}
.pill-nav a:hover{border-color:var(--amber);color:var(--amber-soft);background:rgba(227,137,42,.14);}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:1.15fr 1.15fr 1fr 1fr 1fr;gap:16px;}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r14);
  padding:24px 22px;box-shadow:var(--sh1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.metric:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:var(--ink);}
.metric .num{font-size:clamp(30px,3.4vw,44px);font-weight:700;color:var(--ink);line-height:1.05;letter-spacing:-.02em;}
.metric .unit{font-size:14px;font-weight:600;color:var(--t3);margin-left:6px;}
.metric .label{margin-top:10px;font-size:14px;font-weight:600;color:var(--t1);}
.metric .desc{margin-top:6px;font-size:13px;color:var(--t3);line-height:1.7;}
.metric--sm .num{font-size:clamp(24px,2.4vw,30px);}
.metric--accent{background:var(--ink-soft);border-color:#C9DBD4;}
.metric--accent .num{color:var(--ink-dark);}

/* ---------- 参数表 ---------- */
.spec-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r20);padding:clamp(16px,2.4vw,26px);box-shadow:var(--sh1);}
.spec-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
table.spec th,table.spec td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;}
table.spec th{
  background:var(--ink-soft);color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.02em;
  white-space:nowrap;
}
table.spec th:first-child,table.spec td:first-child{position:sticky;left:0;background:var(--card);z-index:1;font-weight:600;color:var(--t1);white-space:nowrap;}
table.spec th:first-child{background:var(--ink-soft);}
table.spec tbody tr:hover td{background:#FBFAF6;}
table.spec tbody tr:hover td:first-child{background:#FBFAF6;}
table.spec tbody tr:last-child td{border-bottom:0;}
.spec-note{margin:16px 0 0;font-size:13px;color:var(--t3);}
.side-card{
  background:var(--ink);color:#E9F0EC;border-radius:var(--r20);
  padding:clamp(22px,3vw,30px);box-shadow:var(--sh2);height:100%;
}
.side-card h3{color:#fff;font-size:19px;margin-bottom:6px;}
.side-card .sub{font-size:13px;color:rgba(233,240,236,.68);margin-bottom:20px;}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:16px;
  font-size:14.5px;line-height:1.7;color:rgba(233,240,236,.9);
}
.check-list li strong{display:block;color:#fff;font-size:15px;margin-bottom:2px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;
  border:1.5px solid var(--amber);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.side-card .btn{margin-top:8px;}

/* ---------- 产能数据条 ---------- */
.bar-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r20);padding:clamp(20px,3vw,32px);box-shadow:var(--sh1);}
.bar-row{display:grid;grid-template-columns:180px 1fr 150px;align-items:center;gap:18px;padding:14px 0;border-bottom:1px dashed var(--line);}
.bar-row:last-child{border-bottom:0;}
.bar-name{font-size:15px;font-weight:600;color:var(--t1);}
.bar-track{height:12px;border-radius:var(--pill);background:var(--surface);overflow:hidden;}
.bar-fill{height:100%;border-radius:var(--pill);background:var(--ink);}
.bar-fill--amber{background:var(--amber);}
.bar-val{font-size:14px;font-weight:600;color:var(--t1);text-align:right;white-space:nowrap;}

/* ---------- 场景卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r14);
  overflow:hidden;box-shadow:var(--sh1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--ink);}
.media{position:relative;background:var(--surface);overflow:hidden;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;}
.media::after{
  content:attr(data-idx);position:absolute;z-index:0;
  font-size:44px;font-weight:700;color:#C9C1B1;letter-spacing:-.03em;
}
.media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .media img{transform:scale(1.03);}
.badge{
  position:absolute;z-index:2;left:12px;top:12px;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  background:#fff;border:1px solid var(--ink);border-radius:var(--pill);
  font-size:12px;font-weight:600;color:var(--ink);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;margin-bottom:8px;}
.card-body p{font-size:14.5px;color:var(--t2);line-height:1.75;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:var(--surface);border-radius:var(--pill);
  font-size:12px;color:var(--t2);font-weight:500;
}
.tag--soft{background:var(--amber-soft);color:#8A4E10;}

/* ---------- 交付节点 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r14);
  padding:24px 22px;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--amber);}
.step-no{font-size:34px;font-weight:700;color:#D7D0C2;line-height:1;letter-spacing:-.03em;}
.step-card h3{font-size:17px;margin:14px 0 8px;}
.step-card p{font-size:14px;color:var(--t3);line-height:1.75;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;transition:border-color .2s var(--ease);overflow:hidden;
}
.faq-item:hover{border-color:var(--amber);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--t1);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--ink);color:var(--ink);
  font-size:18px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary::after{content:"−";background:var(--ink);color:#fff;}
.faq-item .faq-a{padding:0 22px 20px;font-size:15.5px;line-height:1.75;color:var(--t3);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r20);
  background:#0C2A25 url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  color:#E9F0EC;
  padding:clamp(32px,5vw,60px) clamp(24px,4vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,42,37,.94) 0%,rgba(12,42,37,.82) 52%,rgba(12,42,37,.55) 100%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);max-width:620px;}
.cta-band p{margin:10px 0 0;font-size:15px;color:rgba(233,240,236,.8);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 相关分类 ---------- */
.rel-links{display:flex;flex-wrap:wrap;gap:12px;}
.rel-links a{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--pill);
  background:var(--card);border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink);
  transition:all .2s var(--ease);
}
.rel-links a:hover{border-color:var(--ink);background:var(--ink-soft);transform:translateY(-1px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-dark);color:#D9E5E0;margin-top:clamp(56px,8vw,96px);padding-top:clamp(44px,6vw,72px);}
.footer-grid{padding-bottom:clamp(32px,4vw,52px);}
.site-footer .brand{margin-bottom:16px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(217,229,224,.6);}
.f-brand p{font-size:14px;line-height:1.8;color:rgba(217,229,224,.72);max-width:320px;}
.f-phone{
  display:inline-block;margin-top:14px;font-size:20px;font-weight:700;color:var(--amber-soft);
  letter-spacing:.01em;
}
.f-phone:hover{color:#fff;}
.f-title{font-size:14px;font-weight:700;color:#fff;margin:6px 0 16px;letter-spacing:.02em;}
.f-links li{margin-bottom:11px;}
.f-links a{font-size:14px;color:rgba(217,229,224,.74);}
.f-links a:hover{color:var(--amber-soft);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(217,229,224,.58);
}
.footer-bottom p{margin:0;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--sh2);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease),background .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{background:#1B5A4F;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .bar-row{grid-template-columns:140px 1fr 130px;gap:14px;}
}
@media (max-width:899px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-menu{
    position:fixed;inset:0;z-index:90;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:96px 24px 32px;
    background:#fff;overflow-y:auto;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{
    height:52px;padding:0 18px;font-size:18px;font-weight:600;
    border:1px solid var(--line);border-radius:var(--r14);
    justify-content:flex-start;
  }
  .nav-menu a.active{background:var(--ink-soft);}
  .site-header{top:0;}
}
@media (max-width:767px){
  .metric-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .bar-row{grid-template-columns:1fr;gap:8px;padding:16px 0;}
  .bar-val{text-align:left;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:639px){
  .brand-sub{display:none;}
  .page-hero{margin-left:12px;margin-right:12px;}
  .pill-nav{gap:8px;}
  .pill-nav a{height:34px;padding:0 13px;font-size:13px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .rel-links a{width:100%;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --green:#14453D;
  --green-dark:#0C2A25;
  --green-light:#E3EDE9;
  --amber:#E3892A;
  --amber-light:#FBE7CB;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --sub:#EDE7DC;
  --line:#DCD5C8;
  --ink:#16211F;
  --txt:#3D4B48;
  --muted:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 24px rgba(22,33,31,.10);
  --sh-3:0 18px 40px rgba(12,42,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--txt);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green)}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;
}
.container{width:100%;max-width:1220px;margin:0 auto;padding-left:clamp(16px,4vw,40px);padding-right:clamp(16px,4vw,40px)}
.sec{padding:clamp(56px,8vw,104px) 0}
.num{font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px clamp(12px,3vw,24px) 0;transition:padding .22s var(--ease)}
.nav-cap{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:clamp(8px,1.6vw,22px);
  height:60px;padding:0 10px 0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-stuck .nav-cap{background:#FFFFFF;box-shadow:var(--sh-2);border-color:#CFC7B8}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;text-decoration:none;color:var(--green)}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.06}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:var(--muted)}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--txt);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-menu a:hover{background:var(--green-light);color:var(--green)}
.nav-menu a.active{background:var(--green-light);color:var(--green);font-weight:700}
.nav-cta{display:flex;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--green);
  cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--green-light);border-color:var(--green)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:#1B5A4F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green-light);color:var(--green)}
.btn-amber{background:var(--amber);color:#2A1806}
.btn-amber:hover{background:#F09A3E;color:#2A1806;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(246,243,237,.55);color:#F6F3ED}
.btn-outline-light:hover{background:rgba(246,243,237,.12);border-color:#FBE7CB;color:#FBE7CB}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ---------- 内页标题带 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--green-dark);color:#F6F3ED;
  padding:clamp(28px,4vw,40px) 0 clamp(44px,6vw,66px);
  min-height:340px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 15px);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,237,.65);margin-bottom:26px}
.crumb a{color:rgba(246,243,237,.82)}
.crumb a:hover{color:var(--amber-light)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--amber-light)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(251,231,203,.13);border:1px solid rgba(251,231,203,.36);
  font-size:12.5px;letter-spacing:.06em;color:#FBE7CB;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.18;letter-spacing:-.01em;
  color:#FFFFFF;margin:18px 0 0;max-width:820px;
}
.hero-lead{max-width:760px;margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(246,243,237,.86)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:24px;font-size:13px;color:rgba(246,243,237,.7)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);font-style:normal}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{background:#FFFFFF;border-bottom:1px solid var(--line)}
.anchor-in{
  display:flex;align-items:center;gap:10px;
  padding:14px clamp(16px,4vw,40px);
  overflow-x:auto;white-space:nowrap;scrollbar-width:thin;
  max-width:1220px;margin:0 auto;
}
.anchor-in::-webkit-scrollbar{height:4px}
.anchor-in::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.anchor-label{
  flex:0 0 auto;font-size:12.5px;letter-spacing:.1em;color:var(--muted);
  padding-right:14px;margin-right:4px;border-right:1px solid var(--line);
}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);
  font-size:13.5px;color:var(--txt);white-space:nowrap;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{background:var(--amber-light);border-color:var(--amber);color:var(--green);transform:translateY(-1px)}
.pill-solid{background:var(--green);border-color:var(--green);color:#fff}
.pill-solid:hover{background:#1B5A4F;border-color:#1B5A4F;color:#fff}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px)}
.sec-tag{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--amber);
  font-weight:700;margin-bottom:12px;
}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink);
}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.8}

/* ---------- 交替图文行 ---------- */
.eq-list{background:var(--bg)}
.eq-row{
  padding:clamp(26px,4vw,46px) 0;
  border-bottom:1px solid var(--line);
  align-items:center;
}
.eq-row:last-child{border-bottom:0}
.eq-media{margin-bottom:0}
.ph{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  aspect-ratio:16/10;background:var(--green-light);
  border:1px solid #D5E2DD;box-shadow:var(--sh-1);
}
.ph::before{
  content:attr(data-no);position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:52px;font-weight:800;color:rgba(20,69,61,.16);letter-spacing:.06em;
}
.ph img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.ph:hover img{transform:scale(1.03)}
.eq-no{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--amber);margin-bottom:10px}
.eq-body h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink)}
.eq-body p.desc{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--txt)}
.param-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}
.param-tags li{
  font-size:12.5px;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--green-light);color:var(--green);border:1px solid #CFE0DA;
  font-variant-numeric:tabular-nums;
}
.eq-body .more{margin-top:20px}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:600;color:var(--green);
  border-bottom:1.5px solid transparent;padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:var(--green);color:var(--green)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 深色区块 ---------- */
.dark-band{position:relative;background:var(--green-dark);color:#EFEAE0;overflow:hidden;padding:clamp(52px,7vw,92px) 0}
.dark-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 1px,transparent 1px 16px);
}
.dark-band .container{position:relative;z-index:1}
.dark-band h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;color:#FFFFFF;letter-spacing:-.01em}
.dark-band .lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(246,243,237,.82)}
.check-list{list-style:none;padding:0;margin:26px 0 0}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;
  font-size:15.5px;line-height:1.75;color:rgba(246,243,237,.9);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:rgba(227,137,42,.22);border:1px solid var(--amber);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:1.5px solid var(--amber);border-bottom:1.5px solid var(--amber);
  transform:rotate(-45deg);
}
.check-list li b{color:#FBE7CB;font-weight:600}
.dark-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;
  border:1px solid rgba(251,231,203,.24);background:#123B33;
}
.dark-figure img{width:100%;height:100%;object-fit:cover}
.dark-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-size:12.5px;color:#F6F3ED;
  background:linear-gradient(to top,rgba(12,42,37,.86),rgba(12,42,37,0));
}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--bg)}
.faq{max-width:820px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--amber);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;line-height:1.5;
}
.faq-ico{
  position:relative;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--green);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green);
  transform:translate(-50%,-50%);transition:transform .22s var(--ease),background .2s var(--ease);
}
.faq-ico::before{width:12px;height:1.5px}
.faq-ico::after{width:1.5px;height:12px}
.faq-item.is-open .faq-ico{background:var(--green-light)}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-in{overflow:hidden}
.faq-a p{
  padding:0 20px 20px;font-size:15.5px;line-height:1.78;color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--green-dark);color:#F6F3ED;padding:clamp(44px,6vw,68px) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(227,137,42,.10) 0 1px,transparent 1px 18px);
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-txt h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;color:#FFFFFF;letter-spacing:-.01em}
.cta-txt p{margin-top:10px;font-size:15px;color:rgba(246,243,237,.82);line-height:1.8}
.cta-act{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.cta-phone{
  display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:700;
  color:#FBE7CB;font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.cta-phone:hover{color:#fff}

/* ---------- 相关分类 ---------- */
.rel{background:var(--bg);padding:clamp(46px,6vw,72px) 0;border-top:1px solid var(--line)}
.rel h2{font-size:16px;font-weight:700;letter-spacing:.06em;color:var(--muted);margin-bottom:18px}
.rel-pills{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-dark);color:#EFEAE0;padding:clamp(48px,7vw,80px) 0 26px}
.footer-grid{row-gap:30px}
.f-brand .brand-name{color:#F6F3ED}
.f-brand .brand-sub{color:rgba(246,243,237,.6)}
.f-brand p{margin:16px 0 14px;font-size:14px;line-height:1.85;color:rgba(246,243,237,.72);max-width:340px}
.f-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--amber-light);margin-bottom:14px}
.f-links{list-style:none;padding:0;margin:0}
.f-links li{margin-bottom:10px}
.f-links a{font-size:14px;color:rgba(246,243,237,.78);line-height:1.6;transition:color .2s var(--ease)}
.f-links a:hover{color:var(--amber)}
.f-phone{display:inline-block;font-size:19px;font-weight:700;color:#FBE7CB;font-variant-numeric:tabular-nums}
.f-phone:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 26px;
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(246,243,237,.6);
}
.footer-bottom p{margin:0}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:70;width:44px;height:44px;border:0;
  border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;
  cursor:pointer;box-shadow:var(--sh-2);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:#1B5A4F;transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .eq-row.rev .eq-media{order:2}
  .eq-row.rev .eq-body{order:1}
}
@media (max-width:1023px){
  .eq-row.rev .eq-media{order:0}
  .eq-media{margin-bottom:22px}
  .ph{aspect-ratio:16/9}
}
@media (max-width:899px){
  .nav-menu{
    display:none;
  }
  .nav-menu.is-open{
    display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:6px;
    position:fixed;left:14px;right:14px;top:88px;bottom:16px;
    margin-left:0;padding:22px;
    background:var(--green-dark);border-radius:var(--r-lg);
    box-shadow:var(--sh-3);border:1px solid rgba(251,231,203,.18);
    overflow-y:auto;
  }
  .nav-menu.is-open a{
    height:auto;padding:15px 18px;border-radius:12px;
    font-size:19px;font-weight:600;color:#F6F3ED;
  }
  .nav-menu.is-open a:hover{background:rgba(255,255,255,.09);color:#FBE7CB}
  .nav-menu.is-open a.active{background:rgba(251,231,203,.16);color:#FBE7CB}
  .nav-toggle{display:inline-flex;margin-left:4px}
  .nav-cta{margin-left:auto}
}
@media (max-width:639px){
  body{font-size:16px}
  .nav-cap{height:56px;padding:0 8px 0 14px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:9.5px;letter-spacing:.12em}
  .nav-cta .btn-sm{height:34px;padding:0 12px;font-size:12.5px}
  .page-hero{min-height:0;padding-bottom:38px}
  .hero-lead{font-size:15.5px}
  .sec{padding:52px 0}
  .faq-q{font-size:15.5px;padding:16px 16px}
  .faq-a p{padding:0 16px 18px;font-size:15px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-act{width:100%}
  .cta-act .btn{width:100%}
  .footer-grid > .cell{flex:0 0 100%;max-width:100%;width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .anchor-in{padding-top:12px;padding-bottom:12px}
  .pill{height:34px;padding:0 13px;font-size:13px}
  .param-tags li{font-size:12px;padding:5px 11px}
  .ph::before{font-size:40px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#14453D;
  --brand-dark:#0C2A25;
  --brand-light:#E3EDE9;
  --accent:#E3892A;
  --accent-light:#FBE7CB;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --surface:#EDE7DC;
  --line:#DCD5C8;
  --ink:#16211F;
  --text:#3D4B48;
  --muted:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 24px rgba(22,33,31,.10);
  --sh-3:0 18px 40px rgba(12,42,37,.16);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --pad-y:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{max-width:1220px;margin:0 auto;padding-left:clamp(16px,4vw,40px);padding-right:clamp(16px,4vw,40px);width:100%}
.nums{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:0;
  border:1.5px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  text-align:center;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-1)}
.btn-primary:hover,.btn-primary:focus{background:#1B5A4F;border-color:#1B5A4F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-light);color:var(--brand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand)}
.link-arrow span{transition:transform var(--t)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 顶部胶囊导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 clamp(12px,3vw,28px)}
.nav-cap{
  max-width:1180px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:14px;padding:8px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled .nav-cap{background:#fff;box-shadow:var(--sh-2);border-color:#D2CABB}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand);flex:0 0 auto}
.brand:hover{color:var(--brand)}
.brand-mark{width:28px;height:28px;flex:0 0 28px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  font-size:15px;color:var(--text);padding:8px 14px;border-radius:var(--r-pill);
  transition:background var(--t),color var(--t);
}
.nav-menu a:hover{background:var(--surface);color:var(--brand)}
.nav-menu a.active{background:var(--brand-light);color:var(--brand);font-weight:600}
.nav-cta{margin-left:6px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:14px;
  color:var(--brand);cursor:pointer;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:95;background:var(--bg);
  display:none;flex-direction:column;padding:22px clamp(16px,5vw,28px) 28px;
  overflow-y:auto;
}
.drawer-open .mobile-drawer{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-nav a{
  font-size:22px;font-weight:700;color:var(--ink);padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand)}
.drawer-foot{display:flex;flex-direction:column;gap:12px;margin-top:auto}
.drawer-foot .drawer-tel{font-size:18px;font-weight:700;color:var(--brand)}

/* ---------- 内页标题带 ---------- */
.page-hero{
  margin:16px auto 0;max-width:1220px;
  padding:0 clamp(16px,4vw,40px);
}
.page-hero-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:340px;
  padding:clamp(28px,5vw,52px) clamp(22px,4vw,52px);
  display:flex;flex-direction:column;justify-content:center;
  background-image:
    linear-gradient(100deg,rgba(246,243,237,.97) 0%,rgba(246,243,237,.90) 46%,rgba(246,243,237,.42) 78%,rgba(246,243,237,.10) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
  border:1px solid var(--line);
}
.page-hero-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(20,69,61,.05) 0 1px,transparent 1px 9px);
  opacity:.55;
}
.page-hero-inner > *{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9B0A0}
.crumb .cur{color:var(--brand);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-light);color:#8A4E0B;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  margin-bottom:16px;align-self:flex-start;
}
.page-hero h1{
  font-size:clamp(28px,3.8vw,44px);line-height:1.18;font-weight:700;
  color:var(--ink);letter-spacing:-.01em;max-width:16em;margin-bottom:14px;
}
.page-hero .lead{font-size:16.5px;line-height:1.8;color:var(--text);max-width:44em;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);font-weight:500;
}
.tag-brand{background:var(--brand-light);border-color:#C9DDD6;color:var(--brand);font-weight:600}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{
  position:sticky;top:84px;z-index:40;
  margin:22px auto 0;max-width:1220px;padding:0 clamp(16px,4vw,40px);
}
.anchor-inner{
  display:flex;gap:8px;overflow-x:auto;padding:10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:var(--sh-1);
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.anchor-inner a:hover{background:var(--brand-light);color:var(--brand)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-y) 0}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.section-head .kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8}

/* ---------- 时间轴 ---------- */
.timeline{max-width:900px}
.tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:clamp(14px,2.5vw,26px);
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:27px;top:62px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--line),rgba(220,213,200,.25));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);
  font-size:17px;font-weight:800;letter-spacing:-.02em;
  border:1px solid #C9DDD6;box-shadow:var(--sh-1);position:relative;z-index:1;
}
.tl-item:nth-child(even) .tl-dot{background:var(--accent-light);color:#8A4E0B;border-color:#F0D3A8}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px clamp(18px,2.6vw,28px);box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.tl-card:hover{box-shadow:var(--sh-2);border-color:#C9DDD6;transform:translateY(-2px)}
.tl-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.4}
.tl-card p{font-size:15.5px;line-height:1.8;color:var(--text);margin-bottom:14px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 参数数据卡 ---------- */
.param-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3.5vw,38px);box-shadow:var(--sh-1);
}
.param-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:26px}
.param-head h3{font-size:20px;font-weight:700;color:var(--ink)}
.param-head span{font-size:13px;color:var(--muted)}
.param-row{display:grid;grid-template-columns:1.1fr 2fr auto;gap:clamp(10px,2vw,24px);align-items:center;padding:14px 0;border-bottom:1px dashed var(--line)}
.param-row:last-child{border-bottom:0}
.param-name{font-size:15px;font-weight:600;color:var(--ink)}
.bar{height:9px;background:var(--surface);border-radius:var(--r-pill);overflow:hidden;min-width:80px}
.bar > i{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand);transition:width 600ms cubic-bezier(.2,.7,.3,1)}
.bar.is-accent > i{background:var(--accent)}
.param-val{font-size:15px;font-weight:700;color:var(--brand);white-space:nowrap;text-align:right}
.param-note{margin-top:22px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 物料卡 ---------- */
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.mat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9DDD6}
.mat-media{position:relative;aspect-ratio:16/10;background:var(--brand-light);overflow:hidden}
.mat-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.mat-card:hover .mat-media img{transform:scale(1.03)}
.mat-badge{
  position:absolute;left:12px;top:12px;
  background:#fff;border:1px solid var(--brand);color:var(--brand);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
}
.mat-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.mat-body h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4}
.mat-body p{font-size:15px;color:var(--text);line-height:1.75}
.mat-body .link-arrow{margin-top:auto;padding-top:6px}

/* ---------- 工艺文件区 ---------- */
.doc-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.doc-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--surface)}
.doc-figure img{width:100%;height:100%;object-fit:cover}
.doc-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:#fff;
  background:linear-gradient(180deg,rgba(12,42,37,0),rgba(12,42,37,.78));
}
.doc-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.doc-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color var(--t),box-shadow var(--t);
}
.doc-item:hover{border-color:var(--accent);box-shadow:var(--sh-1)}
.doc-ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.doc-item h3{font-size:16.5px;font-weight:600;color:var(--ink);margin-bottom:4px}
.doc-item p{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:var(--accent)}
.faq-item.open{border-color:#C9DDD6;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-ico{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:background var(--t),color var(--t),transform var(--t);
}
.faq-item.open .faq-ico{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 300ms cubic-bezier(.2,.7,.3,1)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 20px 20px;font-size:15.5px;line-height:1.78;color:var(--muted)}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--brand-dark);color:#F3EFE7;border-radius:var(--r-lg);
  padding:clamp(26px,4vw,44px) clamp(22px,4vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;color:#fff;line-height:1.35;margin-bottom:6px}
.cta-band p{font-size:15px;color:rgba(243,239,231,.78);max-width:46em}
.cta-band .btn-primary{background:var(--accent);border-color:var(--accent);color:#3A2205}
.cta-band .btn-primary:hover,.cta-band .btn-primary:focus{background:#F09A3C;border-color:#F09A3C;color:#3A2205}

.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,3vw,32px);align-items:start}
.form-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,34px);box-shadow:var(--sh-1);
}
.form-panel h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-panel .form-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field .req{color:var(--err);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  font-size:15px;color:var(--ink);padding:0 14px;height:48px;
  transition:border-color var(--t),box-shadow var(--t);
  font-family:inherit;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:110px}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%2314453D' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,69,61,.12);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-line{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--muted);line-height:1.6;margin:4px 0 18px}
.check-line input{width:16px;height:16px;margin-top:3px;flex:0 0 16px;accent-color:var(--brand)}
.form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
  background:var(--brand-light);color:var(--brand);font-size:14px;font-weight:600;
}
.form-ok.show{display:block}
.info-card{
  background:var(--brand-light);border:1px solid #C9DDD6;border-radius:var(--r-lg);
  padding:clamp(22px,3vw,30px);
}
.info-card h3{font-size:18px;font-weight:700;color:var(--brand);margin-bottom:16px}
.info-list{display:flex;flex-direction:column;gap:14px}
.info-list li{display:grid;grid-template-columns:66px 1fr;gap:10px;font-size:14.5px;color:var(--text);line-height:1.7}
.info-list b{color:var(--brand);font-weight:600}
.qr-box{
  margin-top:22px;border:1px dashed #A9C6BC;border-radius:14px;
  padding:26px 12px;text-align:center;font-size:13px;color:var(--brand);
  background:rgba(255,255,255,.6);
}

/* ---------- 相关分类 ---------- */
.rel-cats{display:flex;flex-wrap:wrap;gap:12px}
.rel-cats a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--brand);
  transition:background var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.rel-cats a:hover{background:var(--brand-light);border-color:#C9DDD6;transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#E9E4DA;padding:clamp(44px,6vw,72px) 0 26px;margin-top:0}
.site-footer .brand{color:#FBE7CB}
.site-footer .brand-sub{color:rgba(233,228,218,.55)}
.site-footer .brand:hover{color:#FBE7CB}
.footer-grid{margin-bottom:36px}
.f-brand p{font-size:14.5px;color:rgba(233,228,218,.72);line-height:1.8;margin:16px 0 14px;max-width:30em}
.f-phone{display:inline-block;font-size:20px;font-weight:700;color:#FBE7CB;letter-spacing:.01em}
.f-phone:hover{color:var(--accent)}
.f-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(233,228,218,.5);margin-bottom:14px}
.f-links{display:flex;flex-direction:column;gap:10px}
.f-links a{font-size:14px;color:rgba(233,228,218,.82)}
.f-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(233,228,218,.55);
}

/* ---------- 返回顶部 ---------- */
#backTop{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;cursor:pointer;z-index:70;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t),background var(--t);
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{background:#1B5A4F}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .mat-grid{grid-template-columns:repeat(2,1fr)}
  .doc-wrap{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .param-row{grid-template-columns:1fr auto;row-gap:8px}
  .param-row .bar{grid-column:1 / -1;order:3}
}
@media (max-width:899px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .anchor-bar{top:78px}
  .site-header{top:8px}
}
@media (max-width:767px){
  .mat-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .page-hero-inner{min-height:300px}
}
@media (max-width:639px){
  body{font-size:16px}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-dot{width:44px;height:44px;font-size:15px}
  .tl-item::before{left:21px;top:50px}
  .field-row{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .hero-actions .btn{width:100%}
  .param-val{font-size:14px}
  .nav-cap{height:56px;padding:6px 14px}
  .brand-name{font-size:16px}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --green:#14453D;
  --green-dark:#0C2A25;
  --green-light:#E3EDE9;
  --amber:#E3892A;
  --amber-light:#FBE7CB;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --surface:#EDE7DC;
  --line:#DCD5C8;
  --text:#16211F;
  --body-c:#3D4B48;
  --muted:#6E7C79;
  --ok:#2F7D5D;
  --warn:#C97A15;
  --err:#B4462F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --pill:999px;
  --sh1:0 1px 2px rgba(22,33,31,.06);
  --sh2:0 10px 24px rgba(22,33,31,.10);
  --sh3:0 18px 40px rgba(12,42,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1220px;
  --pad:clamp(16px,4vw,40px);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--body-c);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;}
::selection{background:var(--green-light);color:var(--green);}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--pill);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{
  background:var(--green);
  color:#fff;
  box-shadow:var(--sh1);
}
.btn-primary:hover{background:#1B5A4F;transform:translateY(-1px);box-shadow:0 8px 18px rgba(20,69,61,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--green);
  border:1.5px solid var(--green);
}
.btn-ghost:hover{background:var(--green-light);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-on-dark{
  background:transparent;
  color:var(--amber-light);
  border:1.5px solid rgba(251,231,203,.45);
}
.btn-on-dark:hover{background:rgba(251,231,203,.14);transform:translateY(-1px);}
.btn-amber{background:var(--amber);color:#2A1905;}
.btn-amber:hover{background:#D07C1F;transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--green);
}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 var(--pad);
}
.nav-cap{
  max-width:1180px;
  margin:0 auto;
  min-height:60px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 18px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(22,33,31,.06);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.scrolled .nav-cap{
  background:#fff;
  box-shadow:0 10px 24px rgba(22,33,31,.10);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--green);
  flex:0 0 auto;
}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--green);}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:var(--muted);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-menu a{
  padding:9px 15px;
  border-radius:var(--pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--body-c);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-menu a:hover{background:var(--surface);color:var(--green);}
.nav-menu a.active{background:var(--green-light);color:var(--green);font-weight:600;}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--pill);
  color:var(--green);
  border:1px solid var(--line);
  background:#fff;
  margin-left:auto;
}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:95;
  background:var(--green-dark);
  color:#F1EEE7;
  display:flex;
  flex-direction:column;
  padding:20px var(--pad) 32px;
  transform:translateY(-102%);
  visibility:hidden;
  transition:transform .35s var(--ease),visibility .35s var(--ease);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateY(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-head .brand-name{color:#FBE7CB;}
.drawer-head .brand-sub{color:rgba(246,243,237,.55);}
.drawer-head .brand-mark{color:#FBE7CB;}
.drawer-close{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--pill);
  border:1px solid rgba(251,231,203,.35);
  color:#FBE7CB;
  font-size:20px;
  line-height:1;
}
.drawer-menu{margin-top:34px;display:flex;flex-direction:column;}
.drawer-menu a{
  padding:16px 4px;
  font-size:21px;
  font-weight:600;
  color:#F1EEE7;
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:color .2s var(--ease);
}
.drawer-menu a:hover,.drawer-menu a.active{color:var(--amber-light);}
.drawer-foot{
  margin-top:auto;
  padding-top:28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.drawer-phone{font-size:20px;font-weight:700;color:#FBE7CB;letter-spacing:.02em;}

/* ============ 分类页标题带 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--green-dark);
  color:#EFEBE2;
  margin-top:16px;
  padding:clamp(38px,5.5vw,62px) 0 clamp(46px,6vw,70px);
  min-height:320px;
  display:flex;
  align-items:center;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(251,231,203,.12) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.45;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(227,137,42,.18),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(241,238,231,.6);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(241,238,231,.78);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--amber-light);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{color:var(--amber-light);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--pill);
  background:rgba(251,231,203,.13);
  border:1px solid rgba(251,231,203,.28);
  color:var(--amber-light);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
}
.page-hero h1{
  margin:18px 0 16px;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  color:#FFFFFF;
  max-width:20em;
}
.page-hero .lead{
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.85;
  color:rgba(241,238,231,.78);
  max-width:60ch;
}

/* ============ 锚点胶囊条 ============ */
.anchor-bar{padding:26px 0 0;}
.anchor-inner{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.anchor-inner a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:var(--card);
  font-size:14px;
  font-weight:500;
  color:var(--body-c);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.anchor-inner a:hover{
  border-color:var(--green);
  color:var(--green);
  background:var(--green-light);
  transform:translateY(-1px);
}
.anchor-inner .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--amber);
  flex:0 0 auto;
}

/* ============ 板块骨架 ============ */
.section{padding:clamp(56px,8vw,96px) 0;}
.section-alt{background:var(--surface);}
.section-line{border-top:1px solid var(--line);}
section[id]{scroll-margin-top:96px;}
.section-head{max-width:740px;margin-bottom:clamp(30px,4vw,46px);}
.kicker{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--amber);
  font-weight:700;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.28;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ 卡片瀑布（2 列不等高） ============ */
.masonry{
  columns:2;
  column-gap:24px;
}
.svc-card{
  break-inside:avoid;
  margin-bottom:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 26px 24px;
  box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.svc-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh2);
  border-color:rgba(20,69,61,.35);
}
.svc-num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:rgba(20,69,61,.13);
  font-variant-numeric:tabular-nums;
}
.svc-card h3{
  margin:12px 0 10px;
  font-size:19px;
  font-weight:700;
  line-height:1.42;
  color:var(--text);
  letter-spacing:-.01em;
}
.svc-card p{
  font-size:15px;
  line-height:1.82;
  color:var(--body-c);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--pill);
  background:var(--green-light);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag.amber{background:var(--amber-light);color:#8A4E0B;}

/* ============ 图集 ============ */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.gallery figure{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--sh1);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.gallery figure:hover{
  box-shadow:var(--sh2);
  border-color:rgba(20,69,61,.32);
  transform:translateY(-2px);
}
.ph{
  position:relative;
  aspect-ratio:4/3;
  background:var(--green-light);
  overflow:hidden;
}
.ph img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.gallery figure:hover .ph img{transform:scale(1.04);}
.ph-num{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  font-weight:800;
  color:rgba(20,69,61,.28);
  letter-spacing:-.02em;
}
.gallery figcaption{
  padding:11px 14px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--muted);
}

/* ============ 响应时效表 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--card);
  box-shadow:var(--sh1);
  -webkit-overflow-scrolling:touch;
}
table.resp{
  min-width:680px;
  font-size:14.5px;
}
table.resp caption{
  caption-side:top;
  text-align:left;
  padding:16px 18px 14px;
  font-size:13px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
table.resp th{
  background:var(--green-light);
  color:var(--green);
  font-weight:700;
  font-size:13.5px;
  letter-spacing:.02em;
  text-align:left;
  padding:14px 18px;
  white-space:nowrap;
}
table.resp td{
  padding:14px 18px;
  border-top:1px solid var(--line);
  color:var(--body-c);
  vertical-align:top;
}
table.resp td:first-child{
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
table.resp tbody tr{transition:background .2s var(--ease);}
table.resp tbody tr:hover td{background:#FAF8F4;}
.table-note{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-list{
  max-width:820px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--amber);}
.faq-item.open{box-shadow:var(--sh1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
}
.faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:var(--pill);
  border:1.5px solid var(--green);
  color:var(--green);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),transform .25s var(--ease);
}
.faq-item.open .faq-icon{background:var(--green);color:#fff;transform:rotate(45deg);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.faq-a > div{overflow:hidden;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a p{
  padding:0 20px 20px;
  font-size:15.5px;
  line-height:1.78;
  color:var(--muted);
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--green-dark);
  color:#F1EEE7;
  border-radius:var(--r-lg);
  padding:clamp(32px,5vw,54px);
  box-shadow:var(--sh3);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;
  top:-80px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(227,137,42,.22),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-copy{max-width:640px;}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:-.01em;
  color:#FFFFFF;
}
.cta-copy p{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:rgba(241,238,231,.75);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 相关分类 ============ */
.related-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.related-label{
  font-size:13.5px;
  color:var(--muted);
  font-weight:600;
  margin-right:4px;
}
.related-row a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:var(--card);
  font-size:14px;
  font-weight:600;
  color:var(--green);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.related-row a:hover{
  background:var(--green-light);
  border-color:var(--green);
  transform:translateY(-1px);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-dark);
  color:rgba(246,243,237,.78);
  padding:clamp(48px,6vw,76px) 0 0;
  margin-top:clamp(56px,8vw,96px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr 1.35fr 1fr;
  gap:36px;
}
.site-footer .brand-name{color:#FBE7CB;}
.site-footer .brand-sub{color:rgba(246,243,237,.5);}
.f-brand p{
  margin:16px 0 14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,243,237,.66);
  max-width:34ch;
}
.f-phone{
  display:inline-block;
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  color:#FBE7CB;
  transition:color .2s var(--ease);
}
.f-phone:hover{color:var(--amber);}
.f-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--amber-light);
  margin-bottom:16px;
}
.f-links li{margin-bottom:10px;}
.f-links a{
  font-size:14px;
  color:rgba(246,243,237,.72);
  line-height:1.7;
  transition:color .2s var(--ease);
}
.f-links a:hover{color:var(--amber);}
.footer-bottom{
  margin-top:clamp(32px,5vw,50px);
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(246,243,237,.55);
}

/* ============ 返回顶部 ============ */
#toTop{
  position:fixed;
  right:20px;
  bottom:24px;
  z-index:70;
  width:44px;
  height:44px;
  border-radius:var(--pill);
  background:var(--green);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .2s var(--ease);
}
#toTop.show{opacity:1;visibility:visible;transform:none;}
#toTop:hover{background:#1B5A4F;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .f-brand{grid-column:1 / -1;}
}

@media (max-width:900px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-cap{min-height:56px;padding:6px 10px 6px 16px;}
  .page-hero{margin-top:12px;}
  .section{padding:clamp(48px,7vw,72px) 0;}
}

@media (max-width:760px){
  .masonry{columns:1;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .f-brand{grid-column:1 / -1;}
}

@media (max-width:640px){
  body{font-size:16px;}
  table.resp td:first-child,
  table.resp th:first-child{
    position:sticky;
    left:0;
    z-index:2;
    background:var(--card);
    box-shadow:1px 0 0 var(--line);
  }
  table.resp th:first-child{background:var(--green-light);}
  .faq-q{font-size:16px;padding:16px 16px;}
  .faq-a p{padding:0 16px 18px;}
  .page-hero{min-height:0;}
  .related-row{gap:10px;}
}

@media (max-width:520px){
  .gallery{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .cta-actions{width:100%;}
  .hero-actions{width:100%;}
}