/* roulang page: index */
:root{
  --brand:#0F5A4E;
  --brand-dark:#0A3F36;
  --brand-light:#7FC7B8;
  --brand-soft:rgba(15,90,78,.08);
  --accent:#D98A2B;
  --accent-soft:rgba(217,138,43,.14);
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --dark:#0B241F;
  --text:#14201C;
  --muted:#4E5F59;
  --weak:#7E8C87;
  --line:#E4DED2;
  --danger:#A83B2E;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(11,36,31,.06),0 8px 24px -12px rgba(11,36,31,.16);
  --shadow-lg:0 4px 10px rgba(11,36,31,.08),0 16px 32px -16px rgba(11,36,31,.22);
  --t:200ms ease;
  --container:1200px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-dark)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
::selection{background:var(--brand-light);color:#fff}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--dark);color:#fff}
.section-alt{background:#F3EFE7}
.section-line{border-top:1px solid var(--line)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:30px}
.sec-head .sec-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;line-height:1.8}
.sec-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;white-space:nowrap}
.sec-link i{transition:transform var(--t)}
.sec-link:hover i{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border:1px solid rgba(15,90,78,.16);padding:6px 14px;border-radius:var(--r-pill)}

/* buttons */
.btn-main,.btn-line,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-main{background:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-block{width:100%}
.btn-main:focus-visible,.btn-line:focus-visible,.btn-light:focus-visible,.sec-link:focus-visible,a:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-btn);
}

/* badges & tags */
.badge-cat{display:inline-block;font-size:13px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-weight:600}
.badge-accent{display:inline-block;font-size:13px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);background:var(--accent-soft);color:#96601C;font-weight:600}
.tag{display:inline-block;font-size:13px;line-height:1;padding:7px 13px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted);background:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(250,247,241,.92);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;transition:border-color var(--t),box-shadow var(--t)}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(11,36,31,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.02em}
.brand-name{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:16px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--muted);border-radius:8px}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--brand);border-radius:2px}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-tel{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);font-weight:500}
.header-tel:hover{color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--text);align-items:center;justify-content:center}
.nav-backdrop{position:fixed;inset:0;background:rgba(11,36,31,.42);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1035}
.nav-backdrop.show{opacity:1;visibility:visible}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 80px}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero h1{font-size:42px;line-height:1.28;margin:20px 0 0}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--muted);margin-top:18px;max-width:560px;line-height:1.85}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-tags span{font-size:13px;padding:8px 14px;border-radius:var(--r-pill);border:1px solid rgba(15,90,78,.28);color:var(--brand);background:rgba(255,255,255,.7)}
.hero-visual{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3;background:var(--dark)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(10,63,54,.72),rgba(10,63,54,.28) 60%,rgba(11,36,31,.5))}
.hero-visual .visual-note{position:absolute;left:22px;bottom:22px;right:22px;z-index:2;color:#fff}
.hero-visual .visual-note strong{display:block;font-size:17px;margin-bottom:6px}
.hero-visual .visual-note span{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.7}
.hero-stat-chip{position:absolute;top:20px;right:20px;z-index:2;background:rgba(255,255,255,.94);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-sm)}
.hero-stat-chip b{display:block;font-size:22px;color:var(--brand);line-height:1.2}
.hero-stat-chip i{font-style:normal;font-size:12.5px;color:var(--weak)}

/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-block);overflow:hidden}
.metric-card{background:var(--dark);padding:28px 24px}
.metric-card .val{font-size:38px;font-weight:700;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.metric-card .val small{font-size:16px;margin-left:4px;font-weight:600}
.metric-card .name{margin-top:10px;font-size:14px;color:rgba(255,255,255,.86);font-weight:600}
.metric-card .note{margin-top:6px;font-size:13px;color:rgba(255,255,255,.58);line-height:1.7}
.section-dark h2{color:#fff}
.section-dark .sec-desc{color:rgba(255,255,255,.7)}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.svc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color var(--t),box-shadow var(--t),transform var(--t);display:flex;flex-direction:column}
.svc-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow-lg)}
.svc-lg{grid-column:span 6}
.svc-sm{grid-column:span 4;padding:28px 26px}
.svc-figure{position:relative;overflow:hidden;aspect-ratio:16/9}
.svc-figure img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.svc-card:hover .svc-figure img{transform:scale(1.02)}
.svc-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,63,54,.08),rgba(10,63,54,.42))}
.svc-index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--accent);color:var(--accent);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.svc-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.svc-body h3{font-size:20px}
.svc-body p{color:var(--muted);font-size:15px;line-height:1.75}
.svc-tags{display:flex;gap:8px;flex-wrap:wrap}
.svc-link{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600}
.svc-link i{transition:transform var(--t)}
.svc-card:hover .svc-link i{transform:translateX(4px)}

/* compare */
.cmp-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-block);padding:8px 32px;box-shadow:var(--shadow-sm)}
.cmp-row{display:grid;grid-template-columns:180px 1fr 130px;gap:28px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.cmp-row:last-child{border-bottom:0}
.cmp-dim{font-size:15px;font-weight:600}
.cmp-dim span{display:block;font-size:13px;color:var(--weak);font-weight:400;margin-top:4px}
.bar-line{display:grid;grid-template-columns:64px 1fr 132px;gap:14px;align-items:center;margin:8px 0}
.bar-label{font-size:13px;color:var(--weak)}
.bar{height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--brand-light)}
.bar.bar-after i{background:var(--accent)}
.bar-val{font-size:13.5px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
.cmp-delta{justify-self:end;font-size:13px;font-weight:600;padding:7px 13px;border-radius:var(--r-pill);background:var(--accent-soft);color:#96601C;white-space:nowrap}

/* proof */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proof-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);transition:border-color var(--t),box-shadow var(--t)}
.proof-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow-lg)}
.proof-card .quote{font-size:15.5px;line-height:1.85;color:var(--text)}
.proof-card .who{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--weak)}
.proof-card .who b{display:block;color:var(--text);font-size:14.5px;margin-bottom:3px}
.proof-card i.fa-quote-left{color:var(--brand-light);font-size:18px;margin-bottom:14px;display:block}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:border-color var(--t),box-shadow var(--t)}
.post-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow-lg)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEAE0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.post-card:hover .post-thumb img{transform:scale(1.02)}
.post-thumb .badge-cat{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand)}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--text)}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{font-size:14.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak)}
.post-foot .read{font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.post-foot .read i{transition:transform var(--t)}
.post-card:hover .post-foot .read i{transform:translateX(4px)}
.news-empty{grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff}
.news-empty i{font-size:26px;color:var(--brand-light);margin-bottom:14px;display:block}
.news-empty p{font-size:14px;color:var(--weak);margin-bottom:16px}

/* faq */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px;padding:20px 0;font-size:17px;font-weight:600;color:var(--text);transition:color var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);transition:border-color var(--t),transform var(--t),background var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--muted);transform:translate(-50%,-50%);transition:background var(--t),opacity var(--t)}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] .faq-icon{border-color:var(--brand);transform:rotate(180deg);background:var(--brand-soft)}
.faq-item[open] .faq-icon::before{background:var(--brand)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 0 24px;max-width:80%;color:var(--muted);font-size:15.5px;line-height:1.85}

/* form */
.form-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:start}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.form-points li{display:flex;gap:12px;font-size:15px;color:var(--muted)}
.form-points i{color:var(--brand);margin-top:6px;font-size:13px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-block);padding:30px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px;font-weight:500}
.field input,.field textarea{width:100%;min-height:44px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FDFBF7;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px rgba(217,138,43,.28)}
.field input.error,.field textarea.error{border-color:var(--danger);box-shadow:0 0 0 2px rgba(168,59,46,.16)}
.field input::placeholder,.field textarea::placeholder{color:#A9B3AF}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7}
.checkbox input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand)}
.form-actions{margin-top:22px}
.form-msg{margin-top:14px;font-size:13.5px;display:none;padding:11px 14px;border-radius:var(--r-btn)}
.form-msg.ok{display:block;background:var(--brand-soft);color:var(--brand-dark)}
.form-msg.err{display:block;background:rgba(168,59,46,.1);color:var(--danger)}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.site-footer .brand-name{color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;margin-bottom:11px;color:rgba(255,255,255,.7);display:flex;gap:10px}
.footer-contact i{color:var(--brand-light);margin-top:6px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55)}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:13.5px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:8px 16px;cursor:pointer;transition:background var(--t),color var(--t)}
.to-top:hover{background:rgba(255,255,255,.1);color:#fff}

/* mobile tab */
.mobile-tab{display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--line);z-index:1040;padding-bottom:env(safe-area-inset-bottom)}
.mobile-tab .tab-inner{display:grid;grid-template-columns:repeat(3,1fr);height:56px}
.tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;color:var(--weak);position:relative}
.tab-item i{font-size:16px}
.tab-item.active{color:var(--brand);font-weight:600}
.tab-item.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--brand);border-radius:2px}

/* responsive */
@media (max-width:1199.98px){
  .hero h1{font-size:38px}
  .metric-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .container-x{padding:0 24px}
  .main-nav{
    position:fixed;top:0;right:0;height:100%;width:290px;background:#fff;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:26px 20px;
    transform:translateX(100%);transition:transform 220ms ease;z-index:1045;
    box-shadow:-12px 0 32px -20px rgba(11,36,31,.35);overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-link{padding:15px 14px;font-size:15.5px;min-height:52px;display:flex;align-items:center;gap:12px;border-radius:10px}
  .main-nav .nav-link.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .header-tel{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1;aspect-ratio:16/10}
  .svc-lg,.svc-sm{grid-column:span 6}
  .svc-sm{grid-column:span 6}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cmp-wrap{padding:8px 24px}
  .cmp-row{grid-template-columns:1fr;gap:14px}
  .cmp-delta{justify-self:start}
  .form-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .mobile-tab{display:block}
  body{padding-bottom:56px}
}
@media (max-width:767.98px){
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .proof-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section{padding:56px 0}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .sec-head h2{font-size:22px}
  .svc-lg,.svc-sm{grid-column:span 12}
  .metric-card{padding:22px 18px}
  .metric-card .val{font-size:30px}
  .cmp-wrap{padding:4px 18px}
  .bar-line{grid-template-columns:52px 1fr;gap:10px}
  .bar-val{grid-column:2;text-align:left;font-size:13px}
  .faq-answer{max-width:100%}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .brand-name{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .svc-card:hover .svc-figure img,.post-card:hover .post-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0F5A4E;
  --brand-dark:#0A3F36;
  --brand-light:#7FC7B8;
  --accent:#D98A2B;
  --accent-deep:#9A5C10;
  --bg:#FAF7F1;
  --card:#FFFFFF;
  --dark:#0B241F;
  --text:#14201C;
  --text-2:#4E5F59;
  --text-3:#7E8C87;
  --line:#E4DED2;
  --danger:#A83B2E;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,36,31,.06),0 8px 24px -12px rgba(11,36,31,.16);
  --sh-2:0 4px 10px rgba(11,36,31,.08),0 16px 32px -16px rgba(11,36,31,.22);
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}
@media (min-width:768px){.container-x{padding:0 24px;}}
@media (min-width:992px){.container-x{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -14px rgba(11,36,31,.35);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-name{font-weight:700;font-size:17px;color:var(--text);letter-spacing:.01em;}
.main-nav{display:none;gap:2px;margin-left:10px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);text-decoration:none;
  transition:color var(--ease),background var(--ease);
}
.nav-link i{font-size:14px;opacity:.85;}
.nav-link:hover{color:var(--brand);background:rgba(15,90,78,.06);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-tel{
  display:none;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);text-decoration:none;
}
.header-tel:hover{color:var(--brand);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);text-decoration:none;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-main:active{transform:none;}
.nav-toggle{
  display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--text);
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-light);color:var(--brand);}
@media (min-width:992px){
  .main-nav{display:flex;}
  .header-tel{display:inline-flex;}
  .nav-toggle{display:none;}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:90;
    width:min(320px,86vw);
    background:#fff;display:flex;flex-direction:column;gap:6px;
    padding:88px 20px 28px;
    transform:translateX(100%);
    transition:transform 240ms ease;
    box-shadow:-14px 0 36px rgba(11,36,31,.16);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav .nav-link{height:52px;font-size:16px;}
  .nav-link.active::after{left:14px;right:auto;width:28px;bottom:8px;}
}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  display:flex;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;line-height:1.2;color:var(--text-3);text-decoration:none;position:relative;
}
.tab-item i{font-size:17px;}
.tab-item.active{color:var(--brand);font-weight:600;}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;background:var(--brand);border-radius:2px;
}
@media (min-width:992px){.mobile-tabbar{display:none;}}
@media (max-width:991px){body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}}

/* ============ 面包屑与文章头 ============ */
.page-top{padding:26px 0 0;}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb-x a{color:var(--text-3);text-decoration:none;}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:#c8c0b1;}
.breadcrumb-x .current{color:var(--brand);font-weight:600;}

.article-section{padding:22px 0 80px;}
.article-shell{max-width:820px;margin:0 auto;}
.article-title{
  font-size:clamp(28px,4.2vw,42px);
  line-height:1.3;
  margin:16px 0 18px;
  color:var(--text);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{font-size:13px;color:var(--brand-light);}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(15,90,78,.1);color:var(--brand);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-state{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(217,138,43,.14);color:var(--accent-deep);
  font-size:13px;font-weight:600;line-height:1.5;
}
.divider-line{border:0;border-top:1px solid var(--line);margin:22px 0 30px;}

/* ============ 正文长文排版 ============ */
.article-body{font-size:17px;line-height:1.8;color:var(--text);word-break:break-word;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.35;
  margin:2em 0 .8em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:19px;margin:1.6em 0 .6em;color:var(--text);}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:rgba(15,90,78,.05);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:1.6em auto;
  border-radius:var(--r-img);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:14px;color:var(--text-3);text-align:center;margin-top:8px;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body code{
  background:#F1ECE2;color:var(--brand-dark);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre{
  background:var(--dark);color:#E6EFEC;
  padding:16px 18px;border-radius:var(--r-img);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;border:1px solid var(--line);
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;
}
.article-body thead th{background:#F3EFE6;font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FBFAF6;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-block);
  background:#fff;
}
.empty-state i{font-size:30px;color:var(--brand-light);}
.empty-state h3{font-size:19px;margin:14px 0 8px;}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:20px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  font-size:15px;font-weight:600;text-decoration:none;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(15,90,78,.08);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}

/* ============ 标签 / 上下篇 ============ */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:34px 0 26px;}
.tag{
  font-size:13px;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);background:#fff;
  text-decoration:none;transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag:hover{border-color:var(--brand-light);color:var(--brand);background:rgba(15,90,78,.05);}
.post-nav{display:grid;gap:16px;grid-template-columns:1fr;margin-top:8px;}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav a{
  display:block;padding:18px 20px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);
  text-decoration:none;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.post-nav a:hover{border-color:var(--brand-light);box-shadow:var(--sh-2);transform:translateY(-2px);}
.post-nav .label{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px;}
.post-nav .title{display:block;font-size:16px;font-weight:600;color:var(--text);line-height:1.45;margin-top:6px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-alt{background:#fff;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);}
.section-head p{font-size:14px;color:var(--text-3);margin:8px 0 0;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--brand);border-bottom:1px solid rgba(15,90,78,.35);
  padding-bottom:2px;
}
.link-more:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

.news-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;background:#fff;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);text-decoration:none;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.news-card:hover{border-color:var(--brand-light);box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEAE0;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 200ms ease;}
.news-card:hover .card-cover img{transform:scale(1.02);}
.card-cover .badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--text);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.7;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.card-foot .read{color:var(--brand);display:inline-flex;align-items:center;gap:6px;}

/* ============ CTA 与表单 ============ */
.cta-section{background:var(--dark);color:#EAF1EE;padding:72px 0;}
@media (min-width:992px){.cta-section{padding:88px 0;}}
.cta-grid{display:grid;gap:32px;}
@media (min-width:992px){.cta-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:start;}}
.cta-section h2{font-size:clamp(22px,3vw,30px);color:#fff;}
.cta-section .lead{font-size:16px;color:#B9C9C5;margin:14px 0 24px;max-width:520px;}
.cta-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#CFDCD8;}
.cta-list i{color:var(--accent);margin-top:5px;font-size:14px;}
.form-card{
  background:#fff;color:var(--text);
  border-radius:var(--r-block);padding:26px;
  box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.form-field input,.form-field textarea,.form-field select{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,138,43,.2);
}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);margin-bottom:18px;}
.checkbox-row input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--brand);}
.btn-submit{
  width:100%;min-height:48px;border-radius:var(--r-btn);border:1px solid var(--brand);
  background:var(--brand);color:#fff;font-size:16px;font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.btn-submit:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn-submit:active{transform:none;}
.form-feedback{margin-top:14px;font-size:14px;display:none;padding:12px 14px;border-radius:var(--r-btn);}
.form-feedback.ok{display:block;background:rgba(15,90,78,.08);color:var(--brand-dark);border:1px solid var(--brand-light);}
.form-feedback.err{display:block;background:rgba(168,59,46,.08);color:var(--danger);border:1px solid rgba(168,59,46,.35);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C3D0CC;padding:56px 0 24px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:40px;}}
.site-footer h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600;}
.site-footer p{font-size:14px;line-height:1.75;color:#B4C4C0;max-width:340px;margin:0;}
.site-footer .brand-name{color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C3D0CC;text-decoration:none;transition:color var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:#C3D0CC;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--brand-light);margin-top:5px;font-size:14px;}
.footer-bottom{
  margin-top:38px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#9DB0AC;
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.24);color:#DCE7E4;
  border-radius:var(--r-pill);padding:8px 16px;font-size:13px;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color var(--ease),color var(--ease);
}
.to-top:hover{border-color:var(--accent);color:var(--accent);}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .news-card:hover,.post-nav a:hover,.btn-main:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A3F36;
  --brand:#0F5A4E;
  --brand-300:#7FC7B8;
  --amber:#D98A2B;
  --amber-soft:rgba(217,138,43,.12);
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --ink:#0B241F;
  --text:#14201C;
  --text-2:#4E5F59;
  --text-3:#7E8C87;
  --line:#E4DED2;
  --danger:#A83B2E;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,36,31,.06), 0 8px 24px -12px rgba(11,36,31,.16);
  --sh-2:0 4px 10px rgba(11,36,31,.08), 0 16px 32px -16px rgba(11,36,31,.22);
  --ease:200ms ease;
  --header-h:68px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  padding-top:var(--header-h);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container-x{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(250,247,241,.94);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,247,241,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(11,36,31,.04);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:none}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.02em;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--text-2);font-weight:500;
  transition:color var(--ease),background var(--ease);
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color var(--ease)}
.nav-link:hover{color:var(--brand);background:rgba(15,90,78,.06)}
.nav-link:hover i{color:var(--brand)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active i{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.header-tel{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--text-2);
}
.header-tel i{color:var(--brand)}
.header-tel:hover{color:var(--brand)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:transparent;color:var(--brand);font-size:15px;font-weight:600;
  border:1px solid var(--brand-300);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(15,90,78,.08);border-color:var(--brand);color:var(--brand-900);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:#fff;color:var(--brand-900);font-size:15px;font-weight:700;
  border:1px solid #fff;transition:background var(--ease),transform var(--ease);
}
.btn-light:hover{background:#EFEAE0;color:var(--brand-900);transform:translateY(-1px)}
.btn-light:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid var(--line);
  color:var(--text);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-300);color:var(--brand)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,31,.45);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;
  background:var(--card);z-index:1050;
  transform:translateX(100%);transition:transform 220ms ease;
  padding:20px;display:flex;flex-direction:column;
  box-shadow:-12px 0 40px -20px rgba(11,36,31,.4);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand-300);color:var(--brand)}
.drawer-nav{margin-top:12px;display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;height:52px;
  color:var(--text-2);font-size:16px;border-bottom:1px solid var(--line);
}
.drawer-nav a i{width:20px;color:var(--text-3)}
.drawer-nav a.active{color:var(--brand);font-weight:700}
.drawer-nav a.active i{color:var(--brand)}
.drawer-nav a:hover{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:16px}
.drawer-foot .btn-main{width:100%}

/* ============ 面包屑 ============ */
.crumb{
  font-size:13px;color:var(--text-3);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C9C2B4}
.crumb .current{color:var(--brand);font-weight:600}

/* ============ Hero 左文右卡 ============ */
.hero{
  padding:56px 0 76px;
  background:
    linear-gradient(180deg,rgba(250,247,241,0) 0%,rgba(250,247,241,.9) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-copy .crumb{margin-bottom:20px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(15,90,78,.09);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow i{color:var(--amber)}
h1{font-size:42px;font-weight:800;margin-bottom:18px}
.hero-sub{font-size:17px;color:var(--text-2);line-height:1.8;max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  border:1px solid var(--brand-300);color:var(--brand);
  font-size:13px;font-weight:600;background:rgba(255,255,255,.7);
}
.tag-pill i{font-size:12px;color:var(--amber)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{margin-top:20px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--brand-300)}

.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-block);overflow:hidden;
  box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.6);
  position:relative;
}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(15,90,78,.28),rgba(11,36,31,.12));
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.float-card{
  position:absolute;left:-24px;bottom:-28px;width:265px;
  background:#fff;border-radius:var(--r-card);border:1px solid var(--line);
  box-shadow:var(--sh-2);padding:18px 20px;
}
.float-card h4{font-size:14px;color:var(--text-3);font-weight:600;margin-bottom:10px}
.float-card .fv{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2}
.float-card .fv span{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px}
.float-card p{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.6}
.float-bar{height:6px;border-radius:999px;background:var(--line);margin-top:12px;overflow:hidden}
.float-bar i{display:block;height:100%;width:82%;background:var(--brand);border-radius:999px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:760px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--amber);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.section-head.row-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  max-width:none;gap:24px;flex-wrap:wrap;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(15,90,78,.35);padding-bottom:2px;
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover{color:var(--brand-900);border-bottom-color:var(--brand-900)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 深色指标条 ============ */
.metrics{background:var(--ink);color:#fff;padding:56px 0}
.metrics-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.metrics-head h2{color:#fff;font-size:24px}
.metrics-head span{font-size:14px;color:rgba(255,255,255,.62)}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-block);overflow:hidden}
.metric-cell{
  padding:30px 28px;
  border-right:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0));
}
.metric-cell:last-child{border-right:none}
.metric-cell .mv{
  font-size:44px;font-weight:800;line-height:1.05;color:var(--amber);
  letter-spacing:.01em;
}
.metric-cell .mv em{font-size:18px;font-style:normal;font-weight:700;margin-left:4px;color:rgba(255,255,255,.8)}
.metric-cell .mn{font-size:15px;font-weight:600;color:#fff;margin-top:14px}
.metric-cell .md{font-size:13px;color:rgba(255,255,255,.62);margin-top:6px;line-height:1.7}

/* ============ 卡片栅格 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.card:hover{border-color:var(--brand-300);box-shadow:var(--sh-2)}
.card-media{position:relative;overflow:hidden;background:#EFEAE0}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 200ms ease}
.card:hover .card-media img{transform:scale(1.02)}
.card-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.94);color:var(--brand);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;line-height:1.45;margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:rgba(15,90,78,.08);color:var(--brand);font-weight:600;
}
.chip-amber{background:var(--amber-soft);color:#9A5F16}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot .meta{font-size:13px;color:var(--text-3)}
.card-foot .link-arrow{font-size:14px}

/* ============ 交付流程 ============ */
.flow{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.flow-item{
  position:relative;padding:26px 20px 22px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper);transition:border-color var(--ease),background var(--ease);
}
.flow-item:hover{border-color:var(--brand-300);background:#fff}
.flow-item .step{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--amber);
  color:#9A5F16;background:var(--amber-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;margin-bottom:16px;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.7}
.flow-item .dur{
  display:inline-block;margin-top:14px;font-size:13px;color:var(--text-3);
  border-top:1px dashed var(--line);padding-top:10px;width:100%;
}

/* ============ 对比区 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-block);
  padding:28px;box-shadow:var(--sh-1);
}
.compare-card.after{border-color:var(--brand-300)}
.compare-card h3{font-size:18px;margin-bottom:6px}
.compare-card .sub{font-size:13px;color:var(--text-3);margin-bottom:20px}
.compare-row{padding:14px 0;border-top:1px solid var(--line)}
.compare-row:first-of-type{border-top:none}
.compare-row .cr-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}
.compare-row .cr-name{font-size:14px;color:var(--text-2)}
.compare-row .cr-val{font-size:20px;font-weight:800;color:var(--text)}
.compare-card.after .cr-val{color:var(--brand)}
.bar{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;transition:width 600ms ease}
.bar-before i{background:#B9CFC9}
.bar-after i{background:var(--brand)}
.diff-strip{
  margin-top:24px;background:var(--ink);color:#fff;border-radius:var(--r-block);
  padding:22px 28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.diff-strip .ds-label{font-size:14px;color:rgba(255,255,255,.65)}
.diff-strip .ds-value{font-size:26px;font-weight:800;color:var(--amber)}
.diff-strip .ds-note{font-size:13px;color:rgba(255,255,255,.6);margin-left:auto}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;text-align:left;
  min-height:56px;padding:18px 0;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--amber);outline-offset:4px;border-radius:6px}
.faq-q .sign{
  flex:none;margin-left:auto;width:28px;height:28px;border-radius:8px;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:15px;font-weight:700;
  transition:transform 220ms ease,color var(--ease),border-color var(--ease);
}
.faq-item.open .faq-q .sign{transform:rotate(180deg);color:var(--brand);border-color:var(--brand-300)}
.faq-a{max-width:80%;padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.8;display:none}
.faq-item.open .faq-a{display:block}

/* ============ CTA 条 ============ */
.cta-band{background:var(--ink);color:#fff;padding:60px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.68);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 表单 ============ */
.contact{padding:88px 0;background:#fff;border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{font-size:30px;margin-bottom:16px}
.contact-info > p{color:var(--text-2);margin-bottom:26px}
.promise{display:flex;flex-direction:column;gap:16px}
.promise li{display:flex;gap:14px;align-items:flex-start}
.promise li i{
  flex:none;width:32px;height:32px;border-radius:9px;
  background:rgba(15,90,78,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;margin-top:2px;
}
.promise li strong{display:block;font-size:15.5px;margin-bottom:2px}
.promise li span{font-size:14px;color:var(--text-2);line-height:1.7}
.form-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-block);
  padding:32px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .fc-sub{font-size:14px;color:var(--text-3);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field textarea{
  width:100%;min-height:44px;padding:11px 14px;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:108px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A9B2AD}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(217,138,43,.28);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);line-height:1.7}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:none}
.check a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-actions{margin-top:22px}
.form-actions .btn-main{width:100%}
.form-hint{margin-top:14px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.form-hint i{color:var(--brand-300)}
.form-state{margin-top:16px;font-size:14px;padding:12px 14px;border-radius:var(--r-btn);display:none}
.form-state.ok{display:block;background:rgba(15,90,78,.08);color:var(--brand);border:1px solid var(--brand-300)}
.form-state.err{display:block;background:rgba(168,59,46,.08);color:var(--danger);border:1px solid rgba(168,59,46,.3)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.site-footer .brand-name,.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:var(--brand-300);color:var(--brand-900)}
.site-footer p{line-height:1.8;color:rgba(255,255,255,.64)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:rgba(255,255,255,.72)}
.footer-contact li i{color:var(--brand-300);margin-top:5px;font-size:14px;flex:none}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.8);
  padding:8px 16px;border-radius:999px;font-size:13px;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.to-top:hover{border-color:var(--amber);color:var(--amber);background:rgba(217,138,43,.08)}
.to-top:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;
  display:none;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -14px rgba(11,36,31,.35);
}
.mobile-tab .tab-inner{display:grid;grid-template-columns:repeat(4,1fr);height:56px}
.tab-item{
  position:relative;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--text-3);
}
.tab-item i{font-size:16px}
.tab-item.active{color:var(--brand);font-weight:600}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;
  background:var(--brand);border-radius:0 0 3px 3px;
}
.tab-item:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container-x{padding:0 24px}
  h1{font-size:38px}
  .hero-grid{gap:40px}
  .flow-list{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-tel{display:none}
  .mobile-tab{display:block}
  body{padding-bottom:70px}
  .hero{padding:40px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{order:2}
  .float-card{left:auto;right:12px;bottom:-26px;width:230px}
  .metric-grid{grid-template-columns:1fr;border-radius:var(--r-card)}
  .metric-cell{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);padding:24px}
  .metric-cell:last-child{border-bottom:none}
  .compare-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .faq-a{max-width:100%}
  .flow-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  h1{font-size:30px}
  .section-head h2,.contact-info h2,.cta-inner h2{font-size:22px}
  .hero-sub{font-size:16px}
  .metric-cell .mv{font-size:36px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .flow-list{grid-template-columns:1fr}
  .float-card{position:static;width:100%;margin-top:16px;box-shadow:var(--sh-1)}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-main,.cta-actions .btn-light{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover .card-media img{transform:none}
  .btn-main:hover,.btn-ghost:hover,.btn-light:hover{transform:none}
  .link-arrow:hover i{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#0F5A4E;
  --brand-dark:#0A3F36;
  --brand-soft:#E7F1EE;
  --brand-line:#7FC7B8;
  --amber:#D98A2B;
  --amber-soft:#FBF1E3;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --dark:#0B241F;
  --dark-2:#123029;
  --text:#14201C;
  --text-2:#4E5F59;
  --text-3:#7E8C87;
  --line:#E4DED2;
  --danger:#A83B2E;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,36,31,.06), 0 8px 24px -12px rgba(11,36,31,.16);
  --sh-2:0 4px 10px rgba(11,36,31,.08), 0 16px 32px -16px rgba(11,36,31,.22);
  --ease:200ms ease;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-dark);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:700;color:var(--text)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
@media(min-width:1200px){.container-x{padding-left:32px;padding-right:32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(250,247,241,.92);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  background:rgba(250,247,241,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 1px 2px rgba(11,36,31,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700}
.brand:hover{color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;
}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.01em}
.main-nav{display:none;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:0 14px;height:68px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:color var(--ease);
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover i{color:var(--brand)}
.nav-link.active{color:var(--brand)}
.nav-link.active i{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px 2px 0 0;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-tel{
  display:none;align-items:center;gap:7px;
  font-size:14px;color:var(--text-2);font-weight:500;
}
.header-tel:hover{color:var(--brand)}
.header-tel i{color:var(--amber)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--brand);font-size:17px;cursor:pointer;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-line)}
@media(min-width:992px){
  .main-nav{display:flex}
  .header-tel{display:inline-flex}
  .nav-toggle{display:none}
}

/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-btn);padding:12px 24px;min-height:44px;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease),color var(--ease);
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-btn);padding:12px 24px;min-height:44px;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--ease),transform var(--ease),color var(--ease);
}
.btn-ghost:hover{background:rgba(15,90,78,.08);color:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-dark);border:1px solid #fff;
  border-radius:var(--r-btn);padding:12px 24px;min-height:44px;
  font-size:15px;font-weight:600;cursor:pointer;transition:background var(--ease),transform var(--ease);
}
.btn-light:hover{background:#F0EDE4;color:var(--brand-dark);transform:translateY(-1px)}
.btn-outline-light-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
  border-radius:var(--r-btn);padding:12px 24px;min-height:44px;
  font-size:15px;font-weight:600;cursor:pointer;transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-outline-light-x:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand)}
.text-link i{transition:transform var(--ease)}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.text-link:hover i{transform:translateX(4px)}

/* ---------- Hero band ---------- */
.hero-band{position:relative;overflow:hidden;background:var(--dark)}
.band-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat}
.band-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,63,54,.95) 0%,rgba(11,36,31,.86) 46%,rgba(11,36,31,.58) 100%);
}
.band-inner{position:relative;z-index:2;padding:40px 0 56px;color:#fff}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.38)}
.crumb .current{color:#fff;font-weight:600}
.hero-title{margin-top:22px;font-size:28px;line-height:1.28;color:#fff;max-width:760px}
.hero-sub{margin-top:16px;max-width:660px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.34);
  font-size:13px;color:rgba(255,255,255,.92);
}
.tag-pill i{color:var(--amber);font-size:11px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-back-home{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:14px;color:rgba(255,255,255,.82)}
.hero-back-home:hover{color:#fff}
.hero-back-home i{transition:transform var(--ease)}
.hero-back-home:hover i{transform:translateX(-4px)}
@media(min-width:768px){
  .band-inner{padding:72px 0 88px}
  .hero-title{font-size:36px}
  .hero-sub{font-size:17px}
}
@media(min-width:992px){
  .band-inner{padding:96px 0 104px}
  .hero-title{font-size:42px}
}

/* ---------- Metrics ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:992px){.section{padding:96px 0}}
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-head{margin-bottom:36px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--amber);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}
h2.section-title{font-size:22px;line-height:1.35}
.section-desc{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
@media(min-width:992px){h2.section-title{font-size:30px}}

.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);overflow:hidden}
.metric-card{background:var(--dark);padding:26px 22px}
.metric-value{font-size:34px;font-weight:800;color:var(--amber);line-height:1.15;font-variant-numeric:tabular-nums}
.metric-value small{font-size:15px;font-weight:700;margin-left:4px;color:var(--amber)}
.metric-name{margin-top:10px;font-size:15px;font-weight:600;color:#fff}
.metric-note{margin-top:6px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
@media(min-width:768px){
  .metric-grid{grid-template-columns:repeat(3,1fr)}
  .metric-card{padding:34px 28px}
  .metric-value{font-size:42px}
}

/* ---------- Capability cards (two columns) ---------- */
.grid-two{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.grid-two{grid-template-columns:repeat(2,1fr);gap:24px}}
.svc-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.svc-card:hover{border-color:var(--brand-line);box-shadow:var(--sh-2);transform:translateY(-2px)}
.svc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms ease}
.svc-card:hover .svc-media img{transform:scale(1.02)}
.badge-cat{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;background:rgba(231,241,238,.95);
  color:var(--brand);font-size:13px;font-weight:600;
}
.svc-body{display:flex;flex-direction:column;flex:1;padding:22px 22px 24px}
.svc-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;border:1px solid var(--amber);
  color:var(--amber);font-size:13px;font-weight:800;margin-bottom:14px;
}
.svc-title{font-size:19px;line-height:1.45}
.svc-text{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-chip{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
}
.tag-chip.amber{background:var(--amber-soft);color:#9A5F14}
.svc-foot{margin-top:auto;padding-top:18px;border-top:1px dashed var(--line)}

/* ---------- Comparison ---------- */
.compare-wrap{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.compare-wrap{grid-template-columns:1fr;gap:0}}
.compare-head{display:none}
.compare-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.compare-row{display:grid;grid-template-columns:1fr;gap:14px;padding:20px 20px;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-dim{font-size:15px;font-weight:700;color:var(--text)}
.compare-dim span{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:4px}
.compare-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.compare-cell{padding:12px 14px;border-radius:var(--r-btn);background:#F6F3EC}
.compare-cell.now{background:var(--brand-soft)}
.compare-label{font-size:12px;color:var(--text-3);margin-bottom:4px}
.compare-cell.now .compare-label{color:var(--brand)}
.compare-val{font-size:15px;font-weight:700;color:var(--text-2);font-variant-numeric:tabular-nums}
.compare-cell.now .compare-val{color:var(--brand-dark)}
.bar-track{height:8px;border-radius:999px;background:var(--line);margin-top:10px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--brand)}
.bar-fill.amber{background:var(--amber)}
.diff-badge{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  padding:4px 12px;border-radius:999px;background:var(--amber-soft);
  color:#9A5F14;font-size:13px;font-weight:700;
}
@media(min-width:768px){
  .compare-row{grid-template-columns:1.1fr 1.4fr;align-items:center;padding:22px 24px}
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:16px;counter-reset:step}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px 24px 24px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.step:hover{border-color:var(--brand-line);box-shadow:var(--sh-1);transform:translateY(-2px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:800;margin-bottom:14px;
}
.step h3{font-size:18px;line-height:1.45}
.step p{margin:10px 0 0;font-size:15px;color:var(--text-2);line-height:1.75}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:992px){.steps{grid-template-columns:repeat(3,1fr)}}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 22px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease),background var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease}
.faq-a-inner{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:80%}
@media(max-width:575px){.faq-a-inner{max-width:100%}}
@media(min-width:992px){.faq-wrap{padding:8px 30px}}

/* ---------- CTA form ---------- */
.cta-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:992px){.cta-grid{grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}}
.cta-list{margin-top:22px}
.cta-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:12px}
.cta-list i{color:var(--brand);margin-top:6px;font-size:13px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
@media(min-width:768px){.form-card{padding:30px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:6px;font-weight:600}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;background:#fff;color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-btn);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,138,43,.22)}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:14px;color:var(--text-2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 18px}
.form-note{display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--r-btn);font-size:14px}
.form-note.ok{display:block;background:var(--brand-soft);color:var(--brand-dark)}
.form-note.err{display:block;background:#F6E7E4;color:var(--danger)}
.submit-row{display:flex;flex-direction:column;gap:10px}
.submit-row .btn-main{width:100%}
@media(min-width:768px){
  .submit-row{align-items:flex-end}
  .submit-row .btn-main{width:auto;align-self:flex-end}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.site-footer .brand{color:#fff}
.site-footer .brand-name{color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand-line);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.84);
  border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:28px}}
@media(min-width:992px){.site-footer{padding-top:72px}}

/* ---------- Mobile drawer + tabbar ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(11,36,31,.5);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:1040;
}
.drawer-backdrop.show{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;z-index:1050;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 220ms ease;
  padding:20px 18px;overflow-y:auto;
}
.nav-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--text-2);font-size:16px;cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;gap:12px;height:52px;padding:0 12px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-link i{width:18px;text-align:center;color:var(--text-3);font-size:14px}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-link.active{background:var(--brand-soft);color:var(--brand)}
.drawer-link.active i{color:var(--brand)}
.drawer-cta{margin-top:20px;display:block;text-align:center}
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:10px;font-weight:600;color:var(--text-3);
}
.tab-item i{font-size:16px}
.tab-item.active{color:var(--brand)}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:30px;height:2px;background:var(--brand);border-radius:0 0 2px 2px;
}
body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
@media(min-width:992px){
  .mobile-tabbar{display:none}
  body{padding-bottom:0}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .svc-card:hover,.step:hover,.metric-card{transform:none!important}
}