/* roulang page: index */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#14A085;
  --accent:#F2A03D;
  --violet:#3A3163;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DC;
  --text:#1C1F1E;
  --text-2:#5C6360;
  --radius:16px;
  --shadow:0 1px 2px rgba(16,24,20,.04),0 10px 28px -14px rgba(16,24,20,.14);
  --shadow-lift:0 18px 36px -20px rgba(16,24,20,.32);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,transform .18s ease}
a:hover{color:var(--brand-500)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease,background .2s ease}
.site-header.is-scrolled{background:rgba(247,246,242,.97);border-bottom-color:var(--line);box-shadow:0 10px 26px -22px rgba(16,24,20,.5)}
.nav-shell{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:74px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end;gap:22px}
.nav-link{position:relative;display:inline-block;padding:6px 2px;font-size:15px;color:var(--text);font-weight:500;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--brand-700);transform:scaleX(0);transition:transform .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;color:var(--brand-900)}
.brand:hover{color:var(--brand-900)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;flex:0 0 auto}
.brand-text{font-weight:800;font-size:17px;letter-spacing:0;white-space:nowrap}
.nav-cta{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-900);align-items:center;justify-content:center;cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:10px 20px 22px}
.mobile-panel.is-open{display:block}
.mobile-link{display:flex;align-items:center;height:48px;padding-left:12px;border-left:3px solid transparent;font-size:16px;color:var(--text)}
.mobile-link.is-active{border-left-color:var(--brand-700);color:var(--brand-700);font-weight:700}
.mobile-panel .btn{width:100%;margin-top:12px}
@media(max-width:1023px){
  .nav-shell{display:flex;justify-content:space-between}
  .nav-side{display:none}
  .nav-toggle{display:flex}
}
@media(max-width:520px){
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:15px}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;text-align:center}
.btn i{transition:transform .18s ease}
.btn:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:#0C5A4C;color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#3A2200}
.btn-accent:hover{background:#E08F26;color:#3A2200;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:#EAF6F2;color:var(--brand-700);transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* ---------- badges / labels ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:#EAF6F2;border-radius:999px;padding:6px 14px;line-height:1.6}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1.6;padding:3px 12px;border-radius:999px;background:#EAF6F2;color:var(--brand-900);white-space:nowrap}
.badge.violet{background:#EEEBF7;color:var(--violet)}
.badge.amber{background:#FDF0DC;color:#95580F}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:linear-gradient(180deg,#FCFCF9 0%,var(--bg) 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.34;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:800;color:var(--brand-900);margin:18px 0 0}
.hero-sub{font-size:17px;color:var(--text-2);margin-top:16px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.trust-row li{font-size:13px;color:var(--brand-900);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:600}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:var(--brand-700);opacity:.08;pointer-events:none}
@media(max-width:1023px){
  .hero{padding:44px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{font-size:26px;line-height:1.35;font-weight:700;color:var(--text);margin-top:14px}
.section-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:660px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);white-space:nowrap}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(4px)}
@media(max-width:767px){
  .section{padding:52px 0}
  .section-title{font-size:22px}
}

/* ---------- kpi ---------- */
.kpi-band{padding:0 0 8px;margin-top:-8px}
.kpi-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.kpi-value{display:flex;align-items:baseline;gap:4px}
.kpi-num{font-size:38px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.kpi-unit{font-size:14px;font-weight:700;color:var(--accent)}
.kpi-label{font-size:15px;font-weight:600;color:var(--text);margin-top:8px}
.kpi-desc{font-size:14px;color:var(--text-2);margin-top:2px}
@media(max-width:639px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ---------- category cards ---------- */
.cat-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;color:var(--text);height:100%}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);color:var(--text)}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cat-body{display:flex;flex-direction:column;gap:10px;padding:22px 24px 24px;flex:1}
.cat-title{font-size:19px;font-weight:700;color:var(--text)}
.cat-desc{font-size:14px;color:var(--text-2);line-height:1.8}
.cat-foot{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.cat-card:hover .cat-foot i{transform:translateX(4px)}
.cat-foot i{transition:transform .18s ease}

/* ---------- feature matrix ---------- */
.feature-big{display:grid;grid-template-columns:44% 1fr;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;color:var(--text);height:100%}
.feature-big:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);color:var(--text)}
.feature-media{position:relative;overflow:hidden}
.feature-media img{width:100%;height:100%;min-height:220px;object-fit:cover}
.feature-media .badge{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94)}
.feature-body{display:flex;flex-direction:column;gap:12px;padding:26px 28px}
.feature-title{font-size:19px;font-weight:700;color:var(--text)}
.feature-desc{font-size:14px;color:var(--text-2);line-height:1.85}
.feature-body .cat-foot{margin-top:auto;padding-top:4px}
.mini-card{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;color:var(--text);height:100%}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);color:var(--text)}
.mini-icon{width:44px;height:44px;border-radius:12px;background:#EAF6F2;color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:18px}
.mini-title{font-size:17px;font-weight:700;color:var(--text)}
.mini-desc{font-size:14px;color:var(--text-2);line-height:1.8}
.mini-card .cat-foot{margin-top:auto;padding-top:4px}
@media(max-width:1023px){
  .feature-big{grid-template-columns:1fr}
  .feature-media img{min-height:180px;aspect-ratio:16/9;height:auto}
}

/* ---------- compare ---------- */
.compare-wrap{position:relative}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;position:relative}
.compare::before{content:"";position:absolute;left:50%;top:26px;bottom:26px;border-left:1px dashed var(--line);transform:translateX(-.5px)}
.compare-vs{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:999px;background:var(--accent);color:#3A2200;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;border:4px solid var(--bg);z-index:2;letter-spacing:0}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.compare-col h3{font-size:19px;font-weight:700;color:var(--text)}
.compare-conclusion{font-size:15px;color:var(--brand-900);font-weight:600}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.75}
.check-list i{color:var(--brand-500);margin-top:6px;font-size:13px;flex:0 0 auto}
@media(max-width:767px){
  .compare-grid{grid-template-columns:1fr}
  .compare::before,.compare-vs{display:none}
}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{display:grid;grid-template-columns:150px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;color:var(--text)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);color:var(--text)}
.post-thumb{display:block;border-radius:12px;overflow:hidden;background:#EAF6F2}
.post-thumb img{width:100%;height:100%;min-height:110px;object-fit:cover}
.post-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post-date{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}
.post-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:16px;font-weight:600;line-height:1.55;color:var(--text)}
.post-excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.75;color:var(--text-2)}
.post-excerpt:empty{display:none}
.empty-state{grid-column:1/-1;min-height:180px;border:1.5px dashed var(--line);border-radius:16px;background:rgba(255,255,255,.7);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px 20px;color:var(--text-2)}
.empty-state i{font-size:26px;color:var(--brand-700)}
@media(max-width:1023px){
  .post-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .post-card{grid-template-columns:110px 1fr;gap:14px;padding:14px}
}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-q{cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:14px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);line-height:1.6}
.faq-q::-webkit-details-marker{display:none}
.faq-num{color:var(--brand-700);font-weight:800;flex:0 0 auto}
.faq-q .faq-caret{margin-left:auto;color:var(--text-2);font-size:13px;transition:transform .2s ease;margin-top:5px}
.faq-item[open] .faq-caret{transform:rotate(180deg);color:var(--brand-700)}
.faq-item[open] .faq-q{color:var(--brand-700)}
.faq-a{padding:0 22px 20px 56px;font-size:15px;line-height:1.85;color:var(--text-2)}
@media(max-width:520px){
  .faq-a{padding-left:22px}
}

/* ---------- cta form ---------- */
.cta-section{padding:0 0 88px}
.cta-card{display:grid;grid-template-columns:5fr 7fr;gap:44px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:44px;box-shadow:var(--shadow)}
.cta-copy h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--brand-900);margin-top:16px}
.cta-copy p{font-size:15px;color:var(--text-2);margin-top:14px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--brand-500);margin-top:6px;font-size:13px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);padding:0 14px;height:46px;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px #EAF6F2}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-tip{margin-top:12px;font-size:14px;color:var(--brand-700);font-weight:600;opacity:0;transition:opacity .2s ease}
.form-tip.is-visible{opacity:1}
@media(max-width:1023px){
  .cta-card{grid-template-columns:1fr;gap:28px;padding:30px}
  .cta-copy h2{font-size:22px}
}
@media(max-width:520px){
  .field-row{grid-template-columns:1fr}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);font-size:14px;padding:64px 0 0;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-about{color:rgba(255,255,255,.68);font-size:14px;line-height:1.85;max-width:300px}
.footer-title{font-size:13px;font-weight:600;color:rgba(255,255,255,.5);margin-bottom:14px;letter-spacing:0}
.footer-link{display:block;padding:5px 0;color:rgba(255,255,255,.78);transition:color .18s ease,transform .18s ease}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
}

/* roulang page: category1 */
html body{
  margin:0;
  background:#F7F6F2;
  color:#1C1F1E;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%;
}
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#14A085;
  --accent:#F2A03D;
  --violet:#3A3163;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DC;
  --text:#1C1F1E;
  --text-2:#5C6360;
  --radius:16px;
  --shadow:0 1px 2px rgba(16,24,20,.04),0 10px 28px -14px rgba(16,24,20,.14);
}
*,*::before,*::after{box-sizing:border-box;}
img{max-width:100%;display:block;}
a{color:#0F6E5C;text-decoration:none;transition:color .18s ease,transform .18s ease;}
a:hover{color:#14A085;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid #0F6E5C;outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;}
.site-header.is-stuck{box-shadow:0 8px 22px -14px rgba(16,24,20,.35);border-bottom-color:#E6E3DC;background:rgba(247,246,242,.97);}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:74px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{position:relative;display:inline-flex;align-items:center;font-size:15px;font-weight:500;color:#5C6360;padding:8px 0;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:#0F6E5C;transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-link:hover{color:#0F6E5C;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:#0F6E5C;font-weight:600;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#1C1F1E;white-space:nowrap;}
.brand:hover{color:#0F6E5C;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#0F6E5C,#14A085);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;letter-spacing:0;}
.header-cta{white-space:nowrap;}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid #E6E3DC;border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;transition:background .18s ease;}
.menu-toggle:hover{background:#EAF6F2;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#1C1F1E;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:#0F6E5C;color:#fff;}
.btn-primary:hover{background:#14A085;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:#0F6E5C;color:#0F6E5C;}
.btn-ghost:hover{background:#EAF6F2;color:#0F6E5C;transform:translateY(-1px);}
.btn-light{background:#fff;color:#0B3B33;}
.btn-light:hover{background:#EAF6F2;color:#0B3B33;transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{border-color:#F2A03D;color:#F2A03D;transform:translateY(-1px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#0F6E5C;}
.text-link svg{transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* 面包屑与页头 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#5C6360;margin-bottom:16px;}
.crumb a{color:#5C6360;}
.crumb a:hover{color:#0F6E5C;}
.crumb .sep{color:#B9B4A9;}
.crumb .now{color:#5C6360;}
.page-hero{padding:44px 0 52px;background:linear-gradient(180deg,#F1F7F4 0%,#F7F6F2 100%);border-bottom:1px solid #E6E3DC;}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#3A3163;background:#EEEBF6;border-radius:999px;padding:5px 12px;}
.page-hero h1{font-size:clamp(28px,4.4vw,42px);line-height:1.28;font-weight:800;letter-spacing:0;margin:16px 0 16px;color:#1C1F1E;}
.hero-lead{font-size:16px;color:#5C6360;line-height:1.9;max-width:620px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:#0F6E5C;background:#EAF6F2;border-radius:999px;padding:6px 12px;}
.hero-figure{border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--shadow);background:#EAF6F2;}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(15,110,92,.08);}

/* 板块 */
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-title{font-size:26px;font-weight:700;line-height:1.38;color:#1C1F1E;}
.section-sub{font-size:15px;color:#5C6360;margin-top:10px;line-height:1.85;}
.section-top{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:34px;}
.section-top .section-head{margin-bottom:0;}

/* 卡片 */
.card{display:flex;flex-direction:column;background:#fff;border:1px solid #E6E3DC;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;}
.card:hover{transform:translateY(-3px);border-color:#D8D4CA;box-shadow:0 2px 4px rgba(16,24,20,.05),0 18px 36px -18px rgba(16,24,20,.26);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#EAF6F2;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.5;color:#1C1F1E;}
.card-desc{font-size:14px;color:#5C6360;line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.card-meta{font-size:12.5px;color:#8C918D;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:999px;background:#EAF6F2;color:#0F6E5C;}
.badge-violet{background:#EEEBF6;color:#3A3163;}
.badge-accent{background:#FDF1E0;color:#9A5B10;}

/* 核对要点 */
.point-card{background:#fff;border:1px solid #E6E3DC;border-radius:16px;padding:22px;box-shadow:var(--shadow);height:100%;}
.point-num{width:30px;height:30px;border-radius:9px;background:#EAF6F2;color:#0F6E5C;display:grid;place-items:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;}
.point-title{font-size:16px;font-weight:700;margin-top:14px;line-height:1.5;}
.point-desc{font-size:14px;color:#5C6360;margin-top:8px;line-height:1.8;}

/* 图文信息条 */
.notice-band{border-radius:20px;overflow:hidden;position:relative;background:#0B3B33;color:#fff;}
.notice-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;}
.notice-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding:44px;}
.notice-inner h2{font-size:24px;font-weight:700;line-height:1.4;}
.notice-inner p{font-size:15px;color:rgba(255,255,255,.82);margin-top:12px;line-height:1.9;}
.notice-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.2);}
.notice-list li:last-child{border-bottom:none;}
.notice-dot{width:6px;height:6px;border-radius:50%;background:#F2A03D;margin-top:9px;flex:none;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid #E6E3DC;border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#CBD9D3;box-shadow:var(--shadow);}
.faq-q{display:flex;gap:12px;align-items:flex-start;padding:18px 20px;font-size:16px;font-weight:600;color:#1C1F1E;cursor:pointer;list-style:none;}
.faq-q::-webkit-details-marker{display:none;}
.faq-q .idx{flex:none;width:24px;height:24px;border-radius:8px;background:#EAF6F2;color:#0F6E5C;display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px;font-variant-numeric:tabular-nums;}
.faq-q .arrow{margin-left:auto;flex:none;color:#0F6E5C;transition:transform .2s ease;margin-top:2px;}
.faq-item[open] .faq-q .arrow{transform:rotate(180deg);}
.faq-a{padding:0 20px 20px 56px;font-size:15px;color:#5C6360;line-height:1.9;}

/* CTA */
.cta-card{background:#0B3B33;color:#fff;border-radius:20px;padding:40px;display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;}
.cta-card h2{font-size:24px;font-weight:700;line-height:1.4;}
.cta-card p{font-size:15px;color:rgba(255,255,255,.8);margin-top:12px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* 页脚 */
.site-footer{background:#0B3B33;color:#fff;margin-top:24px;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#14A085,#0F6E5C);}
.footer-about{font-size:14px;color:rgba(255,255,255,.68);margin-top:14px;line-height:1.85;max-width:340px;}
.footer-title{font-size:13px;font-weight:700;color:rgba(255,255,255,.58);margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.85);padding:5px 0;transition:color .18s ease,transform .18s ease;}
.footer-link:hover{color:#F2A03D;transform:translateX(2px);}
.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55);}

/* 响应式 */
@media (max-width:1023px){
  .header-inner{grid-template-columns:44px 1fr 44px;min-height:66px;}
  .nav-side,.header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand{justify-self:center;font-size:16px;}
  .mobile-panel{display:block;position:fixed;left:0;right:0;top:66px;bottom:0;background:#fff;border-top:1px solid #E6E3DC;padding:12px 20px 40px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:55;}
  .mobile-panel.is-open{opacity:1;visibility:visible;transform:none;}
  .mobile-link{display:flex;align-items:center;height:48px;font-size:16px;color:#1C1F1E;border-bottom:1px solid #E6E3DC;}
  .mobile-link.is-active{color:#0F6E5C;font-weight:700;box-shadow:inset 3px 0 0 #0F6E5C;padding-left:12px;}
  .mobile-cta{margin-top:20px;width:100%;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-figure{order:-1;}
  .notice-inner{grid-template-columns:1fr;padding:32px;}
  .cta-card{grid-template-columns:1fr;padding:32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .wrap{padding:0 20px;}
  .section{padding:52px 0;}
  .page-hero{padding:32px 0 40px;}
  .section-title{font-size:22px;}
  .cta-card{padding:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-a{padding-left:20px;}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#14A085;
  --accent:#F2A03D;
  --violet:#3A3163;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DC;
  --text:#1C1F1E;
  --text-2:#5C6360;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(16,24,20,.04), 0 10px 28px -14px rgba(16,24,20,.14);
  --shadow-hover:0 2px 6px rgba(16,24,20,.06), 0 18px 40px -18px rgba(16,24,20,.22);
  --wrap:1200px;
}
*,*::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,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-700);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,246,242,.97);
  box-shadow:0 10px 26px -18px rgba(16,24,20,.5);
}
.header-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
  height:72px;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 12px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand-700);background:#EAF6F2}
.nav-link.is-active{color:var(--brand-700);font-weight:600}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:2px;border-radius:2px;
  background:var(--brand-700);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover .brand-text{color:var(--brand-700)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:700;line-height:1;
}
.brand-text{
  font-size:18px;font-weight:700;color:var(--brand-900);
  white-space:nowrap;transition:color .18s ease;
}
.nav-toggle{
  display:none;
  width:44px;height:40px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:10px;
  cursor:pointer;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--brand-500);background:#EAF6F2}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  position:fixed;
  left:0;right:0;top:72px;
  z-index:59;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 40px -24px rgba(16,24,20,.45);
  padding:12px 24px 22px;
  flex-direction:column;
  gap:2px;
}
.mobile-panel.is-open{display:flex}
.m-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  font-size:16px;
  color:var(--text);
  border-radius:10px;
  border-left:3px solid transparent;
  transition:background-color .18s ease,color .18s ease;
}
.m-link:hover{background:#F1F8F5;color:var(--brand-700)}
.m-link.is-active{color:var(--brand-700);font-weight:600;border-left-color:var(--brand-700);background:#F1F8F5}
.m-cta{margin-top:12px;width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(15,110,92,.95)}
.btn-accent{background:var(--accent);color:#3A2408}
.btn-accent:hover{background:#E08E24;color:#3A2408;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(224,142,36,.95)}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:#EAF6F2;color:var(--brand-700)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#FBFBF8 0%,#F7F6F2 100%);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  padding:16px 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#B9BDB6}
.breadcrumb .current{
  color:var(--text-2);
  max-width:420px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:48px;
  justify-content:center;
  align-items:start;
  padding:34px 0 56px;
}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:30px}
.article-head h1{
  font-size:clamp(26px,3.8vw,38px);
  line-height:1.3;
  font-weight:800;
  margin:14px 0 16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);
}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C6CBBF;display:inline-block}
.meta-flag{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 10px;border-radius:999px;
  background:#EAF6F2;color:var(--brand-700);
  font-size:12px;font-weight:600;
}

.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:#E4F3EF;color:var(--brand-700)}
.badge-violet{background:#EDEAF6;color:var(--violet)}
.badge-accent{background:#FDF1E1;color:#96591A}

/* ---------- Prose ---------- */
.prose{font-size:16.5px;line-height:1.9;color:var(--text)}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 17px}
.prose h2{
  font-size:24px;line-height:1.4;font-weight:700;
  margin:38px 0 16px;
  padding-left:12px;
  border-left:4px solid var(--brand-700);
}
.prose h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px}
.prose h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin:6px 0}
.prose ul li::marker{color:var(--brand-700)}
.prose ol li::marker{color:var(--brand-700);font-weight:700}
.prose a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-500)}
.prose strong{font-weight:700}
.prose blockquote{
  margin:20px 0;
  padding:14px 18px;
  background:#F1F8F5;
  border-left:4px solid var(--accent);
  border-radius:0 10px 10px 0;
  color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--radius-md);margin:18px auto}
.prose figure{margin:20px 0}
.prose figcaption{font-size:12px;color:var(--text-2);text-align:center;margin-top:8px}
.prose table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.prose thead th{
  background:var(--brand-900);color:#fff;
  font-weight:600;text-align:left;
  padding:11px 14px;
  font-size:14px;
}
.prose tbody td{padding:11px 14px;border-top:1px solid var(--line);line-height:1.7}
.prose tbody tr:nth-child(even){background:#FBFAF7}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- Aside ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow-card);
}
.aside-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-900);
  margin-bottom:12px;
}
.aside-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand-700)}
.toc-list{list-style:none;padding:0;margin:0;font-size:14px;max-height:340px;overflow:auto}
.toc-list li{margin:0 0 2px}
.toc-list a{
  display:block;
  padding:6px 10px;
  border-radius:8px;
  color:var(--text-2);
  border-left:2px solid transparent;
  line-height:1.6;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:#F1F8F5;color:var(--brand-700)}
.toc-list a.is-current{
  color:var(--brand-700);font-weight:600;
  border-left-color:var(--brand-700);
  background:#F1F8F5;
}
.aside-links{list-style:none;padding:0;margin:0}
.aside-links li + li{margin-top:4px}
.aside-links a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;
  border-radius:9px;
  font-size:14px;
  color:var(--text);
  transition:background-color .18s ease,color .18s ease;
}
.aside-links a:hover{background:#F1F8F5;color:var(--brand-700)}
.aside-links a::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);flex:0 0 auto;
}
.aside-note{
  font-size:13px;line-height:1.75;color:var(--text-2);
  border-top:1px solid var(--line);
  margin-top:12px;padding-top:12px;
}

/* ---------- Tags / prev-next ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-2);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  background:#F1F1EC;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.tag:hover{background:#EAF6F2;color:var(--brand-700);border-color:#CBE4DB}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.pn-card{
  display:flex;flex-direction:column;gap:6px;
  padding:16px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.pn-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D2E7DF}
.pn-label{font-size:12px;color:var(--text-2);font-weight:600}
.pn-title{font-size:15px;color:var(--text);line-height:1.6}
.pn-card:hover .pn-title{color:var(--brand-700)}

/* ---------- Related ---------- */
.related{margin-top:66px}
.section-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;margin-bottom:22px;
}
.section-head h2{font-size:22px;font-weight:700}
.section-head .more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.section-head .more .arrow{transition:transform .2s ease}
.section-head .more:hover .arrow{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease;
  height:100%;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EAF6F2}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1}
.card-title{
  font-size:17px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--brand-700)}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--text-2);
  padding-top:10px;border-top:1px solid var(--line);
}
.card-meta .arrow{color:var(--brand-700);font-weight:700;transition:transform .2s ease}
.card:hover .card-meta .arrow{transform:translateX(4px)}

.back-row{display:flex;justify-content:center;margin-top:44px}

/* ---------- Empty state ---------- */
.empty-state{
  border:1.5px dashed #C9D8D2;
  border-radius:var(--radius-lg);
  background:#FBFCFB;
  padding:56px 24px;
  text-align:center;
  min-height:280px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
}
.empty-icon{
  width:54px;height:54px;border-radius:16px;
  background:#EAF6F2;color:var(--brand-700);
  display:grid;place-items:center;
}
.empty-state h2{font-size:20px;font-weight:700}
.empty-state p{font-size:15px;color:var(--text-2);max-width:420px}
.empty-state .btn{margin-top:6px}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:88px;padding-top:56px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:42px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  width:30px;height:30px;border-radius:9px;font-size:15px;
  background:rgba(255,255,255,.14);
}
.footer-about{
  font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);
  max-width:330px;margin:0 0 8px;
}
.footer-title{
  font-size:13px;font-weight:600;color:rgba(255,255,255,.72);
  margin-bottom:14px;letter-spacing:.02em;
}
.footer-link{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.86);
  padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 24px;
  font-size:12px;
  color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-side{display:none}
  .header-inner{justify-content:space-between}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding:26px 0 44px}
  .article-aside{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .wrap,.header-inner{padding:0 20px}
  .mobile-panel{padding-left:20px;padding-right:20px}
  .article-head h1{margin:12px 0 14px}
  .prose{font-size:16px;line-height:1.88}
  .prose h2{font-size:21px;margin:30px 0 13px}
  .prose h3{font-size:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .site-footer{margin-top:64px}
}
@media (max-width:640px){
  .breadcrumb .current{max-width:190px}
  .related-grid{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;font-size:16px}
}
@media (max-width:420px){
  .brand-text{font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#14A085;
  --accent:#F2A03D;
  --violet:#3A3163;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DC;
  --text:#1C1F1E;
  --text-2:#5C6360;
  --radius:16px;
  --shadow:0 1px 2px rgba(16,24,20,.04), 0 10px 28px -14px rgba(16,24,20,.14);
  --shadow-hover:0 2px 4px rgba(16,24,20,.05), 0 18px 40px -16px rgba(16,24,20,.22);
}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  padding:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
.site-body *{box-sizing:border-box;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.h1{font-size:clamp(28px,5vw,44px);line-height:1.25;font-weight:800;color:var(--brand-900);margin:0;letter-spacing:0;}
.h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--brand-900);margin:0;letter-spacing:0;}
.h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--brand-900);margin:0;}
.h4{font-size:16px;line-height:1.5;font-weight:600;color:var(--brand-900);margin:0;}
.p-lead{font-size:16px;line-height:1.85;color:var(--text-2);margin:16px 0 0;max-width:60ch;}
.p-small{font-size:14px;line-height:1.7;color:var(--text-2);margin:0;}
.num{font-variant-numeric:tabular-nums;}
a{color:var(--brand-700);text-decoration:none;}
*:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -20px rgba(16,24,20,.45);}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;gap:12px;}
.nav-side{display:flex;align-items:center;gap:2px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:#EAF6F2;}
.nav-link.is-active{color:var(--brand-700);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-700);
}
.brand{display:inline-flex;align-items:center;gap:10px;padding:6px 12px;border-radius:999px;transition:background .18s ease;}
.brand:hover{background:#EAF6F2;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
  border-radius:11px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;font-size:17px;font-weight:800;line-height:1;
}
.brand-text{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:0;white-space:nowrap;}
.nav-cta{margin-left:8px;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:#EAF6F2;border-color:#bfe4da;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease,opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:8px 24px 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;height:48px;padding:0 12px;
  font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
}
.mobile-panel a.is-active{color:var(--brand-700);font-weight:700;border-left-color:var(--brand-700);background:#F3FAF7;}
.mobile-panel .mobile-cta{margin-top:14px;border-bottom:0;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 12px 26px -16px rgba(15,110,92,.95);}
.btn-primary:hover{background:#0C5A4B;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#3A2405;box-shadow:0 12px 26px -16px rgba(242,160,61,.95);}
.btn-accent:hover{background:#E08E26;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:#EAF6F2;transform:translateY(-1px);}
.btn-light{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-light:hover{border-color:#bfe4da;background:#F3FAF7;transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.arrow{display:inline-block;transition:transform .18s ease;}
.btn:hover .arrow,.text-link:hover .arrow{transform:translateX(4px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700);}
.text-link:hover{color:var(--brand-500);}

/* ============ badges ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
  background:#EAF6F2;color:var(--brand-700);white-space:nowrap;
}
.badge-violet{background:#EFEDF7;color:var(--violet);}
.badge-accent{background:#FDF1E1;color:#9A5B10;}

/* ============ hero ============ */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:40px 0 48px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.crumb a{color:var(--brand-700);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:#A9AFAC;}
.crumb .current{color:var(--text-2);}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;margin-top:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);font-size:13px;color:var(--text-2);
}
.trust-chip i{width:7px;height:7px;border-radius:50%;background:var(--brand-500);display:inline-block;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);}
.hero-media img{display:block;width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg,rgba(15,110,92,.20),rgba(58,49,99,.12));
}
.hero-media-tag{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand-900);
  font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:999px;
  box-shadow:0 6px 18px -10px rgba(16,24,20,.5);
}

/* ============ layout ============ */
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:28px;}
.section-head .p-small{margin-top:8px;max-width:64ch;}
.split{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start;}

/* ============ alt rows ============ */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:24px;
  transition:box-shadow .2s ease,transform .2s ease;
  scroll-margin-top:100px;
}
.alt-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.alt-row.reverse .alt-media{order:2;}
.alt-media{border-radius:14px;overflow:hidden;background:#EAF6F2;}
.alt-media img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;}
.alt-body{padding:4px 4px 4px 0;}
.alt-body .h3{margin-top:12px;}
.alt-text{font-size:15px;line-height:1.85;color:var(--text-2);margin:12px 0 0;}
.check-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:9px;}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:var(--text-2);}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;
  background:#EAF6F2;border:1px solid #BFE4DA;
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:8px;width:5px;height:9px;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);
}
.alt-foot{margin-top:16px;}

/* ============ notice bar ============ */
.notice-bar{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  background:#FDF3E6;border:1px solid #F6D6AE;border-left:5px solid var(--accent);
  border-radius:14px;padding:20px 24px;margin:6px 0 32px;
}
.notice-bar .h4{color:#7A4A0C;}
.notice-bar .p-small{color:#8A6226;margin-top:6px;max-width:60ch;}

/* ============ compare ============ */
.compare{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare::before{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;
  border-left:1px dashed #D6D2C8;transform:translateX(-12px);
}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.spec-row:last-child{border-bottom:0;}
.spec-key{color:var(--text-2);flex:0 0 auto;}
.spec-val{color:var(--text);font-weight:600;text-align:right;}

/* ============ quick bar ============ */
.quickbar{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px;}
.quick-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.quick-title{font-size:13px;font-weight:700;color:var(--text-2);letter-spacing:.02em;margin:0 0 10px;}
.quick-list{display:flex;flex-direction:column;gap:2px;}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 10px;border-radius:9px;font-size:14.5px;color:var(--text);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.quick-list a:hover{background:#F3FAF7;color:var(--brand-700);transform:translateX(2px);}
.quick-list a span:last-child{color:#B6BCB8;font-size:13px;}
.quick-dark{background:var(--brand-900);border-color:var(--brand-900);}
.quick-dark .quick-title{color:rgba(255,255,255,.68);}
.quick-dark p{color:rgba(255,255,255,.82);font-size:14px;line-height:1.75;margin:0 0 14px;}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#CFDCD6;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--brand-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:#EAF6F2;color:var(--brand-700);
  display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:1px;
}
.faq-item[open] .faq-num{background:var(--brand-700);color:#fff;}
.faq-a{padding:0 22px 20px 62px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-a p{margin:0;}
.faq-a p + p{margin-top:10px;}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(180deg,#FFFFFF 0%,#F4FBF8 100%);
  border:1px solid var(--line);border-radius:20px;
  padding:34px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ footer ============ */
.site-footer{background:var(--brand-900);color:#fff;padding:56px 0 0;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:14px 0 0;max-width:34ch;}
.footer-title{font-size:13px;font-weight:700;color:rgba(255,255,255,.55);margin:0 0 12px;letter-spacing:.02em;}
.footer-link{
  display:block;font-size:14px;color:rgba(255,255,255,.8);
  padding:5px 0;transition:color .18s ease,transform .18s ease;
}
.footer-link:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:12px;color:rgba(255,255,255,.58);
}

/* ============ responsive ============ */
@media (max-width:1023px){
  .nav-side{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:68px;}
  .brand{justify-self:start;padding-left:0;}
  .split{grid-template-columns:minmax(0,1fr);gap:28px;}
  .quickbar{position:static;order:-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
  .cta-band{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:767px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .hero-media{order:2;}
  .alt-row{grid-template-columns:minmax(0,1fr);gap:18px;padding:16px;}
  .alt-row.reverse .alt-media{order:0;}
  .compare{grid-template-columns:minmax(0,1fr);}
  .compare::before{display:none;}
  .quickbar{grid-template-columns:minmax(0,1fr);}
  .section{padding:46px 0;}
  .section-tight{padding:38px 0;}
  .page-hero{padding:28px 0 34px;}
  .h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:44px;margin-top:52px;}
}
@media (max-width:639px){
  .wrap{padding:0 18px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:16px 16px;font-size:15.5px;}
  .faq-a{padding:0 16px 18px 16px;}
  .notice-bar{padding:18px;}
  .spec-row{flex-direction:column;gap:2px;}
  .spec-val{text-align:left;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#14A085;
  --accent:#F2A03D;
  --violet:#3A3163;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DC;
  --text:#1C1F1E;
  --text-2:#5C6360;
  --soft:#EAF6F2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,20,.04), 0 10px 28px -14px rgba(16,24,20,.14);
  --shadow-hover:0 2px 4px rgba(16,24,20,.05), 0 18px 38px -18px rgba(16,24,20,.22);
}
*,*::before,*::after{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",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px -20px rgba(16,24,20,.55);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--brand-700);border-radius:2px;transform:scaleX(0);
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;
}
.brand-text{font-weight:800;font-size:17px;color:var(--text);white-space:nowrap}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--soft);border-color:var(--brand-500)}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-menu{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:65;
  background:rgba(255,255,255,.99);
  padding:16px 24px 48px;
  overflow-y:auto;
  transform:translateY(-10px);
  opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.mobile-menu.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-menu a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-menu a.is-active{
  color:var(--brand-700);
  background:#F1F8F5;
  box-shadow:inset 3px 0 0 var(--brand-700);
  border-radius:8px;
}
.mobile-menu .m-cta{
  margin-top:18px;height:48px;justify-content:center;
  background:var(--brand-700);color:#fff;border-radius:10px;border-bottom:none;
}
.mobile-menu .m-cta:hover{background:var(--brand-500);color:#fff}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-accent{background:var(--accent);color:#3B2504}
.btn-accent:hover{background:#E39124;color:#3B2504;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:var(--soft);color:var(--brand-700)}
.btn:active{transform:translateY(0)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:15px;
}
.btn-link .arw{transition:transform .18s ease}
.btn-link:hover .arw{transform:translateX(4px)}

/* ============ Section base ============ */
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-head{margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-title{font-size:26px;line-height:1.35;font-weight:700}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:720px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.badge-green{background:#E4F3EE;color:#0F6E5C}
.badge-violet{background:#ECE9F6;color:#3A3163}
.badge-amber{background:#FDF1DF;color:#96601B}

/* ============ Breadcrumb ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);font-weight:500}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#BFBAB0}
.breadcrumb .cur{color:var(--text-2)}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:52px 0 64px;
  background-color:#FBFBF8;
  background-image:
    linear-gradient(to right,rgba(230,227,220,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(230,227,220,.55) 1px,transparent 1px);
  background-size:44px 44px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.page-hero h1{
  font-size:clamp(28px,4.4vw,40px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:0;
}
.hero-lead{margin-top:18px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:620px}
.hero-lead + .hero-lead{margin-top:10px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-size:13px;color:var(--text-2);font-weight:500;
}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--brand-500);display:block}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#DDEAE6}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(15,110,92,.08);pointer-events:none}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* ============ Timeline ============ */
.timeline{position:relative;margin-top:40px;max-width:920px}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-700));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 24px 72px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand-700);color:var(--brand-700);
  display:grid;place-items:center;font-weight:800;font-size:16px;
  box-shadow:var(--shadow);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease;
}
.tl-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.tl-card h3{font-size:19px;line-height:1.5;font-weight:600}
.tl-card p{margin-top:8px;color:var(--text-2);font-size:15px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ Accent bar ============ */
.accent-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:linear-gradient(90deg,rgba(242,160,61,.16),rgba(242,160,61,.03));
  border-left:4px solid var(--accent);border-radius:14px;
  padding:18px 22px;margin:36px 0;
}
.accent-bar .ab-icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:var(--accent);color:#3B2504;display:grid;place-items:center;font-weight:800;font-size:16px;
}
.accent-bar p{font-size:15px;color:#6B4A16}
.accent-bar strong{color:#4A320A}

/* ============ Compare table ============ */
.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.cmp-table{width:100%;min-width:600px;border-collapse:separate;border-spacing:0;background:var(--surface);font-size:15px}
.cmp-table thead th{
  background:var(--brand-900);color:#fff;font-weight:600;font-size:14px;
  text-align:left;padding:15px 18px;white-space:nowrap;
}
.cmp-table tbody td{padding:14px 18px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:top}
.cmp-table tbody td:first-child{color:var(--text);font-weight:600}
.cmp-table tbody tr:nth-child(even) td{background:#FAF9F6}
.cmp-table tbody tr:hover td{background:#F3F8F6}

/* ============ Split feature ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#E7EFEC}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--soft);color:var(--brand-700);
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px;
}
.check-list b{display:block;font-weight:600;font-size:15.5px}
.check-list span{color:var(--text-2);font-size:14.5px}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:36px auto 0}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{border-color:#D7D2C8}
.faq-item[open]{box-shadow:var(--shadow);border-color:#D7D2C8}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  display:flex;gap:12px;align-items:center;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-num{color:var(--brand-700);font-weight:800}
.faq-item summary .faq-plus{
  margin-left:auto;color:var(--brand-700);font-size:18px;font-weight:700;
  transition:transform .2s ease;
}
.faq-item[open] summary .faq-plus{transform:rotate(45deg)}
.faq-item .faq-body{
  padding:0 20px 18px 46px;color:var(--text-2);font-size:15px;line-height:1.85;
}

/* ============ CTA ============ */
.cta-card{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:32px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.cta-card h2{font-size:24px;line-height:1.4;font-weight:700}
.cta-card p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:460px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.field-label{font-size:13px;color:var(--text-2);display:block;margin-bottom:7px}
.field{
  height:46px;width:100%;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FCFCFA;padding:0 14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field:hover{border-color:#D3CEC3}
.field:focus{outline:none;border-color:var(--brand-700);background:#fff;box-shadow:0 0 0 3px rgba(20,160,133,.16)}
.cta-form .field{flex:1 1 220px}
.cta-note{margin-top:12px;font-size:13px;color:var(--text-2)}

/* ============ Footer ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);margin-top:88px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.site-footer .brand-mark{background:linear-gradient(135deg,var(--brand-500),var(--accent));color:#082A24}
.footer-about{color:rgba(255,255,255,.66);font-size:13.5px;line-height:1.8;margin:0 0 8px;max-width:340px}
.footer-title{color:rgba(255,255,255,.55);font-size:13px;font-weight:600;margin:0 0 14px;letter-spacing:0}
.footer-link{display:block;color:rgba(255,255,255,.84);padding:5px 0;font-size:14px;transition:color .18s ease,transform .18s ease}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:16px 0 24px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5);
}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .header-inner{display:flex;justify-content:space-between;align-items:center;min-height:68px}
  .nav-side{display:none}
  .menu-toggle{display:inline-flex;order:2}
  .brand{order:1;justify-self:start}
  .mobile-menu{top:68px}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;gap:22px;padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 30px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:52px 0}
  .section-title{font-size:22px}
  .page-hero{padding:32px 0 44px;background-size:32px 32px}
  .page-hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .tl-item{padding-left:56px;padding-bottom:20px}
  .timeline::before{left:17px}
  .tl-num{width:36px;height:36px;font-size:14px}
  .tl-card{padding:18px}
  .accent-bar{padding:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
}