/* roulang page: index */
:root{
  --brand:#2E5E8C;
  --brand-dark:#244A70;
  --brand-soft:#EAF1F8;
  --warm:#F97316;
  --warm-soft:#FFF1E7;
  --warm-deep:#B4440B;
  --teal:#14B8A6;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#0E1B2A;
  --muted:#5B6B7C;
  --line:#E3EAF2;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-lg:0 20px 46px rgba(14,27,42,.14);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
html body p{margin:0 0 1.2em}
html body ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid #BFD7EE;outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:clamp(48px,6vw,88px) 0}
.sec-head{max-width:780px;margin-bottom:clamp(28px,4vw,44px)}
.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);padding:6px 14px;border-radius:999px}
.sec-title{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.3;margin:14px 0 10px}
.sec-desc{color:var(--muted);font-size:16px;margin:0}
.muted{color:var(--muted)}
.small{font-size:13.5px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(14,27,42,.02)}
.nav-top-inner{display:flex;align-items:center;gap:14px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.01em;white-space:nowrap;color:var(--text)}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:#fff;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:inline-block}
.nav-search{display:none;flex:1 1 auto;max-width:420px;position:relative}
.nav-search input{width:100%;height:42px;border-radius:999px;border:1px solid var(--line);background:var(--bg);padding:0 16px 0 42px;font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(46,94,140,.14)}
.nav-search .s-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);width:17px;height:17px}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-tabs-wrap{border-top:1px solid var(--line);background:#fff}
.nav-tabs{display:flex;gap:8px;overflow-x:auto;padding:9px 20px 11px;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{padding:7px 16px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--muted);white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease}
.nav-tab:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFE0F0}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
@media(min-width:768px){
  .nav-search{display:block}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(46,94,140,.26)}
.btn-primary:active{transform:scale(.98)}
.btn-warm{background:var(--warm);color:#fff}
.btn-warm:hover{background:#E4660C;transform:translateY(-1px);box-shadow:0 12px 24px rgba(249,115,22,.26)}
.btn-warm:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--brand);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-dark)}
.text-link svg{width:14px;height:14px;transition:transform .18s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- Countdown ---------- */
.countdown-bar{background:var(--warm-soft);border-bottom:1px solid #FBDCC3}
.countdown-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:12px 20px}
.cd-label{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--warm-deep)}
.cd-dot{width:8px;height:8px;border-radius:50%;background:var(--warm);flex:0 0 auto}
.cd-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;flex:1 1 auto;max-width:460px}
.cd-cell{background:#fff;border:1px solid #F7DCC6;border-radius:var(--r-md);padding:6px 12px;display:flex;align-items:baseline;gap:6px;justify-content:center}
.cd-num{font-size:22px;font-weight:700;color:var(--warm-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.cd-cap{font-size:12.5px;color:var(--muted)}
.cd-action{margin-left:auto}
@media(min-width:900px){
  .cd-grid{grid-template-columns:repeat(4,minmax(0,1fr));max-width:520px}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,5vw,72px) 0 clamp(24px,3vw,36px)}
.hero-grid{display:grid;gap:36px;grid-template-columns:1fr;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--brand-dark);box-shadow:var(--shadow)}
.hero-badge .ping{width:8px;height:8px;border-radius:50%;background:var(--teal)}
.hero-title{font-size:clamp(1.75rem,4vw,3.25rem);font-weight:700;line-height:1.2;margin:18px 0 14px;letter-spacing:-.01em}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:clamp(1rem,1.4vw,1.125rem);color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:grid;gap:12px;grid-template-columns:1fr}
.hero-point{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.hero-point svg{width:18px;height:18px;color:var(--teal);flex:0 0 auto;margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;box-shadow:var(--shadow-lg)}
.hero-float{position:absolute;left:16px;bottom:16px;background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-lg);padding:14px 18px;display:flex;gap:16px}
.hero-float .hf-num{font-size:22px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-float .hf-cap{font-size:12.5px;color:var(--muted)}
@media(min-width:640px){
  .hero-points{grid-template-columns:1fr 1fr}
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:6fr 6fr;gap:48px}
}

/* ---------- Bento ---------- */
.bento{display:grid;gap:20px;grid-template-columns:1fr}
.bento-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:24px;transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.bento-title{font-size:1.15rem;font-weight:700;line-height:1.4;margin:14px 0 8px}
.bento-text{color:var(--muted);font-size:15px;margin:0}
.bento-big{padding:0;overflow:hidden}
.bento-big .bb-img{width:100%;aspect-ratio:16/10;object-fit:cover}
.bento-big .bb-body{padding:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px}
.tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:5px 12px}
.tag-warm{color:var(--warm-deep);background:var(--warm-soft)}
.tag-teal{color:#0A7C71;background:#E6F7F5}
.mini-list li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--muted)}
.mini-list li:last-child{border-bottom:0;padding-bottom:0}
.mini-list strong{color:var(--text);font-weight:600}
.quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.quick-links a{font-size:13.5px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--brand-dark);background:#fff;transition:background .18s ease,border-color .18s ease}
.quick-links a:hover{background:var(--brand-soft);border-color:#CFE0F0}
.bento-bar{background:linear-gradient(180deg,#FFFFFF 0%,#FBFDFF 100%);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:22px 24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.bar-items{display:flex;flex-wrap:wrap;gap:20px}
.bar-item{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--muted)}
.bar-item svg{width:18px;height:18px;color:var(--warm)}
@media(min-width:768px){
  .bento{grid-template-columns:1fr 1fr}
  .bento-big{grid-column:1 / -1}
  .bento-bar{grid-column:1 / -1}
}
@media(min-width:1024px){
  .bento{grid-template-columns:repeat(3,1fr);grid-template-areas:"big big s1" "big big s2" "bar bar bar"}
  .bento-big{grid-area:big;grid-column:auto}
  .bento-s1{grid-area:s1}
  .bento-s2{grid-area:s2}
  .bento-bar{grid-area:bar;grid-column:auto}
}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:20px;text-align:left}
.stat-num{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-cap{font-size:13.5px;color:var(--muted);margin-top:6px}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}

/* ---------- Gallery ---------- */
.gallery{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.gal-item{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:#0F2237;box-shadow:var(--shadow)}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.gal-item:hover img{transform:scale(1.03)}
.gal-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,34,55,0) 38%,rgba(15,34,55,.72) 100%);display:flex;align-items:flex-end;padding:16px}
.gal-mask span{color:#fff;font-size:14.5px;font-weight:600}
.gal-tall{aspect-ratio:3/4}
.gal-wide{aspect-ratio:4/3}
@media(min-width:768px){
  .gallery{grid-template-columns:repeat(3,1fr)}
}

/* ---------- Posts (CMS) ---------- */
.post-list{display:grid;gap:20px;grid-template-columns:1fr}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:1.075rem;font-weight:700;line-height:1.45;margin:12px 0 10px}
.post-title a:hover{color:var(--brand)}
.post-sum{color:var(--muted);font-size:14.5px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto}
.post-meta .sep{width:4px;height:4px;border-radius:50%;background:#C8D4E0}
.post-meta a{color:var(--brand);font-weight:600}
.post-meta a:hover{color:var(--brand-dark)}
.empty-state{background:#fff;border:1px dashed #CFDCEA;border-radius:var(--r-lg);padding:44px 24px;text-align:center}
.empty-state svg{width:40px;height:40px;color:#9FB4C8;margin:0 auto 14px}
.empty-state p{color:var(--muted);margin:0 0 18px}
@media(min-width:900px){
  .post-list{grid-template-columns:1fr 1fr}
  .post-card--feature{grid-column:1 / -1;flex-direction:row;align-items:stretch}
  .post-card--feature .post-thumb{flex:0 0 42%;}
  .post-card--feature .post-thumb img{height:100%;aspect-ratio:auto}
  .post-card--feature .post-title{font-size:1.35rem}
}

/* ---------- Signup / CTA ---------- */
.cta-band{background:var(--brand-soft);border-radius:22px;border:1px solid #D8E6F4;padding:clamp(26px,4vw,44px)}
.cta-grid{display:grid;gap:32px;grid-template-columns:1fr;align-items:start}
.cta-title{font-size:clamp(1.35rem,2.4vw,1.85rem);font-weight:700;line-height:1.35;margin:14px 0 12px}
.cta-list{margin-top:20px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);margin-bottom:10px}
.cta-list svg{width:18px;height:18px;color:var(--brand);flex:0 0 auto;margin-top:4px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:24px}
.form-grid{display:grid;gap:14px;grid-template-columns:1fr}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13.5px;font-weight:600;color:var(--text)}
.field input,.field select,.field textarea{width:100%;min-height:46px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:11px 14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,94,140,.14)}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand)}
.form-hint{font-size:12.5px;color:var(--muted);margin:12px 0 0}
@media(min-width:640px){
  .form-grid{grid-template-columns:1fr 1fr}
  .field--full{grid-column:1 / -1}
}
@media(min-width:1024px){
  .cta-grid{grid-template-columns:1fr 1fr;gap:44px}
}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;box-shadow:0 6px 18px rgba(14,27,42,.04);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#CFE0F0}
.faq-item.open{border-color:#BCD5EA;box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.5;cursor:pointer;transition:background .18s ease}
.faq-q:hover{background:var(--brand-soft)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;color:var(--brand);transition:transform .28s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 20px 20px;color:var(--muted);font-size:15px}
.faq-a-inner p{margin:0}

/* ---------- Footer ---------- */
.site-footer{background:#0F2237;color:#C3D1E0;margin-top:clamp(48px,6vw,80px)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding:clamp(40px,5vw,64px) 0 32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--brand)}
.footer-desc{font-size:14px;color:#93A7BC;margin:0 0 16px;max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12.5px;color:#B8C8DA;border:1px solid #24405C;border-radius:999px;padding:4px 12px}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#A9BCCF;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;color:#A9BCCF;margin:0 0 10px}
.footer-bottom{border-top:1px solid #1D3550;padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8199B2}
@media(min-width:768px){
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr}
}

/* roulang page: article */
:root{
  --brand:#2E5E8C;
  --brand-dark:#244A70;
  --warm:#F97316;
  --warm-soft:#FFF1E7;
  --teal:#14B8A6;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#0E1B2A;
  --muted:#5B6B7C;
  --line:#E3EAF2;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-lg:0 18px 44px rgba(14,27,42,.13);
  --radius:16px;
  --radius-sm:10px;
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.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:all .22s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 10px 22px rgba(249,115,22,.24);}
.btn-warm:hover{background:#EA6A0B;transform:translateY(-1px);box-shadow:0 14px 26px rgba(249,115,22,.3);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:#EAF1F8;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--muted);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#F5F9FD;}
.btn:active{transform:scale(.98);}
.btn:focus-visible{outline:3px solid rgba(46,94,140,.28);outline-offset:2px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,27,42,.05);
}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.2px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.nav-search{
  display:flex;align-items:center;gap:10px;flex:1 1 auto;max-width:460px;height:42px;
  padding:0 16px;background:#F1F5FA;border:1px solid var(--line);border-radius:999px;
  transition:all .22s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(46,94,140,.12);}
.nav-search .s-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto;}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.nav-search-mini{
  display:none;width:42px;height:42px;border-radius:999px;background:#F1F5FA;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--muted);cursor:pointer;transition:all .2s ease;
}
.nav-search-mini:hover{color:var(--brand);border-color:#CFE0F0;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-tabs-wrap{background:#fff;border-top:1px solid var(--line);}
.nav-tabs{
  display:flex;gap:8px;overflow-x:auto;padding:10px 20px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:#fff;white-space:nowrap;transition:all .2s ease;
}
.nav-tab:hover{background:#EAF1F8;color:var(--brand);border-color:#CFE0F0;}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:18px 0 6px;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C3CFDC;}
.crumbs .current{color:var(--text);font-weight:600;}

/* ---------- 文章标题区 ---------- */
.article-hero{padding:6px 0 0;}
.article-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
  background:#EAF1F8;border-radius:999px;padding:6px 14px;margin-bottom:16px;font-weight:600;
}
.article-title{
  font-size:clamp(1.7rem,3.1vw,2.5rem);font-weight:700;line-height:1.25;
  max-width:900px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px;}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.meta-item i{color:var(--brand);font-size:13px;}
.article-cover{
  margin:0 0 40px;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:#E9EFF6;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.article-cover:hover img{transform:scale(1.03);}

/* ---------- 正文阅读区 ---------- */
.article-shell{max-width:820px;margin:0 auto;}
.article-body{padding-bottom:24px;}
.article-content{font-size:17px;color:#23374B;}
.article-content > * + *{margin-top:1.15em;}
.article-content h2{
  font-size:26px;font-weight:700;line-height:1.35;color:var(--text);
  position:relative;padding-left:16px;margin-top:2em;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--brand);
}
.article-content h3{font-size:20px;font-weight:600;margin-top:1.6em;color:var(--text);}
.article-content h4{font-size:17px;font-weight:600;margin-top:1.4em;}
.article-content p{line-height:1.9;}
.article-content ul,.article-content ol{padding-left:1.35em;}
.article-content li{margin:.45em 0;line-height:1.85;}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(46,94,140,.35);}
.article-content a:hover{color:var(--brand-dark);border-color:var(--brand-dark);}
.article-content blockquote{
  background:#EEF5FB;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;
  padding:16px 22px;color:#33485D;
}
.article-content blockquote p{margin:0;}
.article-content img{border-radius:12px;margin:1.4em auto;}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-content th{background:#F1F5FA;font-weight:600;}
.article-content code{background:#F1F5FA;border-radius:6px;padding:2px 6px;font-size:.92em;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  background:#fff;border:1px dashed #C9D8E8;border-radius:18px;
  padding:56px 28px;text-align:center;box-shadow:var(--shadow);
}
.article-empty .ico{
  width:56px;height:56px;border-radius:16px;background:var(--warm-soft);color:var(--warm);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;
}
.article-empty h2{font-size:20px;margin-bottom:8px;}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 文末 CTA ---------- */
.cta-band{
  background:var(--warm-soft);border:1px solid #FFDDC2;border-radius:20px;
  padding:32px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;
  justify-content:space-between;margin:52px 0 8px;
}
.cta-band h2{font-size:22px;margin-bottom:8px;}
.cta-band p{color:#8A5A2B;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:36px 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:26px;}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);transition:all .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#CFE0F0;}
.rel-thumb{width:122px;height:94px;flex:0 0 auto;border-radius:12px;overflow:hidden;background:#E9EFF6;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-body{min-width:0;}
.rel-body h3{font-size:17px;margin-bottom:8px;}
.rel-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:#EAF1F8;color:var(--brand);font-size:12px;font-weight:600;}
.rel-desc{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px;padding-top:24px;border-top:1px solid var(--line);}
.back-row span{font-size:14px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:#12263A;color:#A9B8C9;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:60px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;}
.footer-brand .brand-mark svg{width:19px;height:19px;}
.footer-desc{font-size:14px;line-height:1.8;max-width:340px;margin-bottom:16px;color:#A9B8C9;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{font-size:12.5px;color:#C7D3E0;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:4px 12px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;list-style:none;}
.footer-col ul a{font-size:14px;color:#A9B8C9;}
.footer-col ul a:hover{color:#fff;}
.footer-col p{font-size:14px;margin-bottom:8px;color:#A9B8C9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA0B3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .nav-search{max-width:320px;}
  .article-content h2{font-size:23px;}
  .article-content h3{font-size:19px;}
}
@media (max-width:640px){
  .nav-top-inner{height:62px;gap:12px;}
  .brand{font-size:17px;}
  .nav-search{display:none;}
  .nav-search-mini{display:inline-flex;}
  .nav-tabs{padding:10px 20px;}
  .article-title{font-size:1.55rem;}
  .article-cover{border-radius:14px;margin-bottom:30px;}
  .article-content{font-size:16.5px;}
  .article-content h2{font-size:21px;}
  .cta-band{padding:24px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;height:170px;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 32px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#2E5E8C;
  --brand-deep:#244A70;
  --warm:#F97316;
  --warm-soft:#FFF1E7;
  --teal:#14B8A6;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#0E1B2A;
  --muted:#5B6B7C;
  --line:#E3EAF2;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-hover:0 18px 40px rgba(14,27,42,.14);
  --radius:16px;
  --radius-sm:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(46,94,140,.35);outline-offset:2px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(14,27,42,.05);
}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--brand-deep);white-space:nowrap;letter-spacing:.01em}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(46,94,140,.28);
}
.brand-mark svg{width:20px;height:20px}
.nav-search{
  display:flex;align-items:center;gap:9px;
  height:42px;padding:0 16px;margin-left:auto;
  max-width:400px;flex:1 1 auto;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(46,94,140,.13)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.nav-search input::placeholder{color:#93A3B4}
.s-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.mobile-search-btn{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);place-items:center}
.mobile-search-btn svg{width:18px;height:18px}
.nav-tabs-wrap{background:#fff;border-top:1px solid var(--line)}
.nav-tabs{display:flex;gap:10px;overflow-x:auto;padding:11px 20px 13px;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;padding:8px 17px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-tab:hover{background:#EEF4FA;color:var(--brand);border-color:#CFE0EF}
.nav-tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px rgba(46,94,140,.22)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(46,94,140,.24)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(46,94,140,.3)}
.btn-outline{background:#fff;border-color:#C9DCEC;color:var(--brand)}
.btn-outline:hover{background:#F2F7FC;border-color:var(--brand);transform:translateY(-1px)}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 8px 20px rgba(249,115,22,.28)}
.btn-warm:hover{background:#EA6A0C;transform:translateY(-1px);box-shadow:0 12px 26px rgba(249,115,22,.34)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(46,94,140,.25)}

/* ---------- 小 Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(246,248,251,.98) 0%,rgba(246,248,251,.93) 46%,rgba(246,248,251,.6) 100%);
}
.hero-inner{position:relative;padding:54px 20px 52px;max-width:820px;margin:0 auto}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:var(--brand);font-weight:600}
.crumb a:hover{color:var(--brand-deep);text-decoration:underline}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--warm-soft);border:1px solid #FFD9BE;color:#C2410C;
  font-size:13px;font-weight:600;
}
.hero-title{
  font-size:clamp(1.85rem,3.6vw,2.9rem);
  font-weight:700;line-height:1.22;letter-spacing:-.01em;
  margin:16px 0 12px;
}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 数据条 ---------- */
.stat-wrap{padding:28px 0 0}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;gap:1px;
}
.stat-item{background:#fff;padding:22px 22px}
.stat-item strong{display:block;font-size:27px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.25}
.stat-item span{font-size:14px;color:var(--muted)}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:30px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.32}
.section-head p{color:var(--muted);margin-top:10px}

/* ---------- 双列布局：目录 + 资源卡 ---------- */
.layout-2col{display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;align-items:start}
.anchor-nav{
  position:sticky;top:136px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:20px 18px;
}
.anchor-nav h3{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-bottom:12px}
.anchor-nav ul{display:grid;gap:3px}
.anchor-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 12px;border-radius:10px;font-size:14.5px;
  transition:background .18s ease,color .18s ease;
}
.anchor-nav a:hover{background:#EFF5FB;color:var(--brand)}
.anchor-nav a .num{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.anchor-nav .nav-cta{margin-top:14px;width:100%}

.group-list{display:grid;gap:52px;min-width:0}
.group-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.group-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:#EFF5FB;color:var(--brand);border:1px solid #D9E7F3;
  display:grid;place-items:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.group-title{font-size:22px;font-weight:700;line-height:1.35}
.group-desc{font-size:14.8px;color:var(--muted);margin-top:4px}

.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.resource-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.resource-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D2E1F0}
.res-icon{
  width:44px;height:44px;border-radius:12px;
  background:#EFF5FB;color:var(--brand);border:1px solid #DCE9F5;
  display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.res-title{font-size:20px;font-weight:600;line-height:1.4}
.res-desc{font-size:15.4px;color:var(--muted);line-height:1.75}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:500;
  background:#F2F6FA;border:1px solid var(--line);color:var(--muted);
}
.pill-warm{background:var(--warm-soft);border-color:#FFD9BE;color:#C2410C}
.pill-teal{background:#E8F8F5;border-color:#C7EFE8;color:#0F766E}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:14.6px;
  transition:gap .2s ease,color .2s ease;
}
.card-link:hover{gap:11px;color:var(--brand-deep)}

/* ---------- 判断路径 ---------- */
.path-list{display:grid;gap:14px}
.path-item{
  display:flex;align-items:flex-start;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.path-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.path-ico{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:var(--warm-soft);border:1px solid #FFD9BE;color:#C2410C;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.path-body h3{font-size:18px;font-weight:600;line-height:1.4}
.path-body p{font-size:15.2px;color:var(--muted);margin-top:4px}
.path-body a{color:var(--brand);font-weight:600;font-size:14.4px;display:inline-block;margin-top:8px}
.path-body a:hover{color:var(--brand-deep);text-decoration:underline}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow);padding:40px;
}
.cta-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.cta-media img{width:100%;height:100%;max-height:320px;object-fit:cover;transition:transform .35s ease}
.cta-media:hover img{transform:scale(1.03)}
.cta-text h2{font-size:clamp(1.45rem,2.2vw,1.9rem);font-weight:700;line-height:1.35}
.cta-text p{color:var(--muted);margin-top:12px;font-size:15.6px}
.cta-points{display:grid;gap:8px;margin-top:18px}
.cta-points li{display:flex;gap:10px;font-size:15.2px;color:var(--text)}
.cta-points li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:11px;border-radius:999px;background:var(--teal)}
.form-grid{display:grid;gap:15px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;padding:0 14px;height:46px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,94,140,.13);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted)}
.check-row input{width:18px;height:18px;margin-top:5px;flex:0 0 auto;accent-color:var(--brand)}
.form-note{font-size:14px;color:var(--teal);font-weight:600;min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:#16283C;color:#C7D5E3;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:56px 0 34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{box-shadow:none;background:rgba(255,255,255,.12)}
.footer-desc{font-size:14.6px;line-height:1.8;color:#9FB3C6;margin-top:14px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#C7D5E3;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.6px;color:#AFC2D4;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14.4px;color:#9FB3C6;margin-bottom:10px;line-height:1.75}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;font-size:13.6px;color:#8FA4B8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout-2col{grid-template-columns:1fr;gap:24px}
  .anchor-nav{position:static;padding:16px}
  .anchor-nav ul{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .anchor-nav ul::-webkit-scrollbar{display:none}
  .anchor-nav a{white-space:nowrap}
  .anchor-nav .nav-cta{display:none}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:52px 0}
  .resource-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .hero-inner{padding:40px 20px 38px}
  .group-list{gap:44px}
}
@media (max-width:640px){
  .nav-top-inner{height:62px;gap:12px}
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .nav-search{display:none}
  .nav-actions{margin-left:auto}
  .mobile-search-btn{display:grid;margin-left:auto}
  .nav-tabs{padding:10px 16px 12px}
  .field-row{grid-template-columns:1fr}
  .cta-band{padding:24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{flex:1 1 100%}
  .stat-item{padding:18px 16px}
  .stat-item strong{font-size:23px}
}

/* roulang page: category2 */
:root{
  --brand:#2E5E8C;
  --brand-dark:#244A70;
  --brand-soft:#EEF4FA;
  --warm:#F97316;
  --warm-dark:#EA6A0B;
  --warm-soft:#FFF1E7;
  --teal:#14B8A6;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ink:#0E1B2A;
  --muted:#5B6B7C;
  --line:#E3EAF2;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-lg:0 20px 44px rgba(14,27,42,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  font-size:15.5px;font-weight:600;letter-spacing:.2px;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:3px solid rgba(46,94,140,.28);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(46,94,140,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(46,94,140,.28)}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 8px 20px rgba(249,115,22,.24)}
.btn-warm:hover{background:var(--warm-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(249,115,22,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#CFDEEB}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:rgba(255,255,255,.24)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(14,27,42,.05)}
.nav-top-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand),#3E76A8);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:19px;height:19px}
.brand-text{white-space:nowrap}
.nav-search{flex:1 1 auto;max-width:460px;display:flex;align-items:center;gap:10px;height:44px;padding:0 18px;background:#F3F6FA;border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .2s,background .2s,box-shadow .2s}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(46,94,140,.12)}
.nav-search .s-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.nav-search input{flex:1 1 auto;border:0;background:transparent;outline:none;font-size:15px;min-width:0}
.nav-search input::placeholder{color:#93A3B4}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-tabs-wrap{border-top:1px solid var(--line);background:#fff;overflow-x:auto;scrollbar-width:none}
.nav-tabs-wrap::-webkit-scrollbar{display:none}
.nav-tabs{display:flex;align-items:center;gap:10px;padding:10px 20px;min-width:max-content}
.nav-tab{padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:all .2s}
.nav-tab:hover{background:var(--brand-soft);color:var(--brand);border-color:#CFDEEB}
.nav-tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(46,94,140,.22)}

/* ---------- 小 Hero ---------- */
.cat-hero{
  position:relative;
  padding:60px 0 64px;
  background-image:linear-gradient(120deg,rgba(31,66,102,.92),rgba(46,94,140,.78)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px}
.crumb a:hover{color:#fff;border-color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);font-size:13.5px;font-weight:600;letter-spacing:.4px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--warm)}
.cat-hero h1{font-size:clamp(2rem,4vw,3.1rem);margin:20px 0 16px;max-width:20em;letter-spacing:-.5px}
.cat-hero .hero-sub{max-width:44em;font-size:17.5px;line-height:1.8;color:rgba(255,255,255,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 数据带 ---------- */
.stat-strip{margin-top:-34px;position:relative;z-index:5}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:24px 26px}
.stat-item{padding:6px 10px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2}
.stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- 板块通用 ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px}
.section-head h2{font-size:clamp(1.55rem,2.4vw,2rem)}
.section-head p{margin-top:12px;color:var(--muted);font-size:16.5px}

/* ---------- 筛选行 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.filter-label{font-size:14px;font-weight:600;color:var(--muted);margin-right:4px}
.pill{padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .2s}
.pill:hover{background:var(--brand-soft);color:var(--brand);border-color:#CFDEEB}
.pill.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px rgba(46,94,140,.2)}
.pill:focus-visible{outline:3px solid rgba(46,94,140,.26);outline-offset:2px}

/* ---------- 瀑布图墙 ---------- */
.masonry{columns:3;column-gap:22px}
.gtile{
  break-inside:avoid;
  margin-bottom:22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.gtile:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.gtile.is-hidden{display:none}
.gtile-media{position:relative;overflow:hidden;background:#E9EFF6}
.gtile-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gtile:hover .gtile-media img{transform:scale(1.03)}
.h-tall .gtile-media{height:310px}
.h-mid .gtile-media{height:236px}
.h-low .gtile-media{height:186px}
.gtile-mask{position:absolute;inset:auto 0 0 0;padding:34px 16px 14px;background:linear-gradient(to top,rgba(14,27,42,.72),rgba(14,27,42,0));display:flex;align-items:flex-end;gap:8px}
.gtile-mask span{font-size:12.5px;font-weight:600;color:#fff;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.36);padding:3px 10px;border-radius:var(--r-pill);backdrop-filter:saturate(120%)}
.gtile-body{padding:18px 20px 20px}
.gtile-body h3{font-size:18px;font-weight:700;line-height:1.45}
.gtile-body p{margin-top:8px;font-size:14.5px;line-height:1.72;color:var(--muted)}
.gtile-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.tag{font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:4px 11px;border-radius:var(--r-pill)}
.tile-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px;transition:gap .2s,color .2s}
.tile-link:hover{color:var(--warm);gap:9px}
.empty-hint{display:none;padding:40px 0;text-align:center;color:var(--muted);font-size:15px}
.empty-hint.show{display:block}

/* ---------- 本期看点 ---------- */
.look-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.look-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:28px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.look-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.look-card .idx{font-size:13px;font-weight:800;letter-spacing:1.5px;color:var(--warm)}
.look-card h3{margin-top:12px;font-size:20px}
.look-card p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8}
.look-list{margin-top:18px;display:grid;gap:10px}
.look-list li{display:flex;gap:10px;font-size:15px;color:var(--ink)}
.look-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);margin-top:11px;flex:0 0 auto}
.look-card.accent{background:linear-gradient(160deg,#F7FAFD,#EDF3F9);border-color:#DCE7F1}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--warm-soft);border:1px solid #FBDCC4;border-radius:24px;padding:40px 36px;display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.85rem)}
.cta-band p{margin-top:12px;color:#7A5B44;font-size:16px;line-height:1.8;max-width:36em}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{font-size:13px;font-weight:600;color:#9A5A22;background:rgba(255,255,255,.75);border:1px solid #FBDCC4;padding:5px 12px;border-radius:var(--r-pill)}
.lead-form{background:#fff;border:1px solid #F5D6BC;border-radius:var(--r-card);padding:24px;box-shadow:0 12px 30px rgba(249,115,22,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FBFCFE;outline:none;font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{height:84px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(46,94,140,.13)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1B2A;color:#C6D2DF;margin-top:36px;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14.5px;line-height:1.85;color:#9DB0C4;max-width:30em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:#B9C9D9}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:14.5px;color:#9DB0C4;transition:color .2s}
.footer-col li a:hover{color:#fff}
.footer-col p{font-size:14.5px;color:#9DB0C4;line-height:1.9}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8199AF}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .masonry{columns:2}
  .look-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:62px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .nav-search{display:none}
  .nav-top-inner{height:62px;gap:12px}
  .brand{font-size:17px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px;padding:18px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:10px 4px}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0}
  .cat-hero{padding:44px 0 48px}
  .section{padding:52px 0}
  .form-row{grid-template-columns:1fr}
  .h-tall .gtile-media{height:250px}
  .h-mid .gtile-media{height:210px}
}
@media (max-width:520px){
  .masonry{columns:1}
  .h-tall .gtile-media,.h-mid .gtile-media,.h-low .gtile-media{height:212px}
  .cta-band{padding:26px 20px;border-radius:18px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --c-primary:#2E5E8C;
  --c-primary-dark:#244A70;
  --c-primary-soft:#EAF1F8;
  --c-warm:#F97316;
  --c-warm-dark:#EA6A0B;
  --c-warm-soft:#FFF1E7;
  --c-teal:#14B8A6;
  --c-bg:#F6F8FB;
  --c-card:#FFFFFF;
  --c-text:#0E1B2A;
  --c-muted:#5B6B7C;
  --c-line:#E3EAF2;
  --r-card:16px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-hover:0 18px 40px rgba(14,27,42,.14);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(14,27,42,.03)}
.nav-top-inner{display:flex;align-items:center;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--c-primary-dark);white-space:nowrap;letter-spacing:-.01em}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.brand-mark svg{width:20px;height:20px}
.nav-search{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;padding:0 16px;height:42px;transition:border-color .2s,box-shadow .2s}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;font-family:inherit;color:var(--c-text);height:100%}
.nav-search .s-icon{width:18px;height:18px;color:var(--c-muted);flex:none}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(46,94,140,.15);background:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-tabs-wrap{border-top:1px solid var(--c-line);background:#fff}
.nav-tabs{display:flex;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{flex:none;padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-muted);font-size:14px;font-weight:500;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.nav-tab:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:#CFE0EE}
.nav-tab.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(46,94,140,.25)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(46,94,140,.22)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(46,94,140,.28)}
.btn-warm{background:var(--c-warm);color:#fff;box-shadow:0 8px 20px rgba(249,115,22,.25)}
.btn-warm:hover{background:var(--c-warm-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(249,115,22,.3)}
.btn-outline{background:#fff;border-color:#C9D9E8;color:var(--c-primary-dark)}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-muted)}
.btn-ghost:hover{background:var(--c-bg);color:var(--c-primary-dark);border-color:#C9D9E8}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:active{transform:scale(.98)}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:3px solid rgba(46,94,140,.35);outline-offset:2px}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line)}
.page-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(246,248,251,.97) 0%,rgba(246,248,251,.88) 46%,rgba(234,241,248,.74) 100%)}
.page-hero-inner{position:relative;padding:40px 0 48px;max-width:820px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:14px}
.crumb a{color:var(--c-muted);transition:color .2s}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C0CCD8}
.page-hero h1{font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.page-hero .lead{font-size:17px;color:#33475C;max-width:660px;margin-bottom:20px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;background:#fff;border:1px solid var(--c-line);color:var(--c-primary-dark)}
.badge-warm{background:var(--c-warm-soft);border-color:#FBD8B8;color:#B45309}
.badge-teal{background:#E6F7F5;border-color:#BFEAE6;color:#0F766E}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:-30px;position:relative;z-index:3}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stat b{display:block;font-size:24px;line-height:1.3;font-variant-numeric:tabular-nums;color:var(--c-primary-dark);letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--c-muted)}

/* ---------- section ---------- */
.section{padding:56px 0}
.section-head{max-width:760px;margin-bottom:30px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);background:var(--c-primary-soft);padding:4px 12px;border-radius:999px;margin-bottom:12px}
.section-head h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.section-head p{color:var(--c-muted);font-size:16px}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ---------- timeline ---------- */
.timeline{position:relative}
.timeline::before{content:"";position:absolute;left:18px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--c-primary-soft),var(--c-line) 12%,var(--c-line) 88%,var(--c-primary-soft))}
.tl-item{position:relative;padding-left:58px;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:0;top:20px;width:38px;height:38px;border-radius:999px;background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;z-index:2}
.tl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:22px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3E2EF}
.tl-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.tl-card p{font-size:15.5px;color:var(--c-muted)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.pill{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark)}
.pill-warm{background:var(--c-warm-soft);color:#B45309}
.pill-teal{background:#E6F7F5;color:#0F766E}

/* ---------- material block ---------- */
.material-grid{display:grid;gap:20px}
.media-card{overflow:hidden;padding:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow)}
.media-wrap{overflow:hidden}
.media-card img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform .45s ease}
.media-card:hover img{transform:scale(1.03)}
.list-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:26px 28px}
.list-card h3{font-size:20px;font-weight:600;margin-bottom:6px}
.list-card .sub{font-size:14px;color:var(--c-muted);margin-bottom:14px}
.check-list{list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:15.5px;color:#2A3B4D}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list .ico{flex:none;width:24px;height:24px;border-radius:8px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;margin-top:3px}

/* ---------- issue cards ---------- */
.issue-grid{display:grid;gap:18px}
.issue{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:24px;transition:transform .2s ease,box-shadow .2s ease}
.issue:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.issue h3{font-size:18px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.issue h3 .dot{width:8px;height:8px;border-radius:999px;background:var(--c-warm);flex:none}
.issue p{font-size:15px;color:var(--c-muted)}
.issue .tagline{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:8px 26px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-q{margin:0}
.faq-q button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;background:none;border:0;font-family:inherit;font-size:17px;font-weight:600;color:var(--c-text);text-align:left;cursor:pointer;transition:color .2s}
.faq-q button:hover{color:var(--c-primary)}
.faq-icon{flex:none;width:26px;height:26px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .28s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 40px 22px 0;font-size:15px;color:var(--c-muted)}
.faq-item.open .faq-a{max-height:320px}

/* ---------- cta ---------- */
.cta-band{background:#fff;border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.cta-grid{display:grid}
.cta-left{padding:30px 26px 32px;background:linear-gradient(180deg,#FAFCFE,#EFF5FA);border-bottom:1px solid var(--c-line)}
.cta-left h2{font-size:clamp(1.35rem,2.4vw,1.7rem);font-weight:700;margin-bottom:12px}
.cta-left p{font-size:15px;color:var(--c-muted);margin-bottom:18px}
.cta-list{list-style:none;display:grid;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#2A3B4D}
.cta-list .tick{flex:none;width:20px;height:20px;border-radius:6px;background:var(--c-warm-soft);color:var(--c-warm-dark);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px}
.cta-right{padding:26px 26px 30px}
.form-row{display:grid;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;font-weight:600;color:#2A3B4D}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid #D8E3EE;border-radius:var(--r-btn);
  background:#fff;font-family:inherit;font-size:15px;color:var(--c-text);transition:border-color .2s,box-shadow .2s
}
.field textarea{height:auto;min-height:98px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(46,94,140,.15);outline:none}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-muted);line-height:1.7}
.checkbox input{width:18px;height:18px;flex:none;margin-top:4px;accent-color:var(--c-primary)}
.form-tip{font-size:12.5px;color:#8B99A8;margin-top:2px}

/* ---------- footer ---------- */
.site-footer{background:#0E1B2A;color:#C5D1DE;padding:56px 0 26px;margin-top:64px}
.footer-grid{display:grid;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-desc{font-size:14px;color:#93A5B8;max-width:320px;margin-bottom:16px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12.5px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#C5D1DE}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9FB1C3;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;color:#9FB1C3;margin-bottom:8px}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7C8FA3}

/* ---------- responsive ---------- */
@media (min-width:640px){
  .stats{gap:18px}
  .material-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
}
@media (min-width:768px){
  .stats{grid-template-columns:repeat(4,minmax(0,1fr))}
  .issue-grid{grid-template-columns:1fr 1fr}
  .form-row.two{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}
}
@media (min-width:1024px){
  .section{padding:76px 0}
  .page-hero-inner{padding:52px 0 58px}
  .timeline::before{left:50%;transform:translateX(-50%)}
  .tl-item{padding-left:0;margin-bottom:28px}
  .tl-dot{left:50%;transform:translateX(-50%);top:26px}
  .tl-item:nth-child(odd) .tl-card{margin-right:calc(50% + 46px)}
  .tl-item:nth-child(even) .tl-card{margin-left:calc(50% + 46px)}
  .cta-grid{grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr)}
  .cta-left{padding:40px 38px;border-bottom:0;border-right:1px solid var(--c-line)}
  .cta-right{padding:36px 38px 40px}
  .faq-wrap{padding:10px 34px}
}
@media (max-width:639px){
  .nav-top-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:12px}
  .nav-search{order:3;flex:1 0 100%;max-width:none}
  .nav-actions .btn-sm{height:36px;padding:0 14px;font-size:13.5px}
  .brand{font-size:17px}
  .brand-mark{width:33px;height:33px;border-radius:10px}
  .page-hero .lead{font-size:16px}
  .stats{margin-top:-22px}
  .faq-q button{font-size:16px;padding:18px 0}
}

/* roulang page: category4 */
:root{
  --brand:#2E5E8C;
  --brand-dark:#244A70;
  --warm:#F97316;
  --warm-dark:#E2640C;
  --warm-soft:#FFF1E7;
  --teal:#14B8A6;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ink:#0E1B2A;
  --muted:#5B6B7C;
  --line:#E3EAF2;
  --shadow:0 12px 32px rgba(14,27,42,.08);
  --shadow-hover:0 18px 40px rgba(14,27,42,.13);
  --radius-card:16px;
  --radius-btn:10px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .22s,transform .22s,box-shadow .22s,border-color .22s;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(46,94,140,.24)}
.btn-warm{background:var(--warm);color:#fff}
.btn-warm:hover{background:var(--warm-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(249,115,22,.26)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:#EEF4FB;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--muted);background:#fff}
.btn-ghost:hover{color:var(--brand);border-color:#C7DAEC;background:#F5F9FD}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(46,94,140,.28)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,27,42,.05);
}
.nav-top-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:18px;font-weight:700;letter-spacing:.2px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--warm-soft);color:var(--brand);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.nav-search{
  flex:1 1 auto;max-width:460px;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;background:#F1F5FA;border:1px solid var(--line);
  border-radius:999px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,94,140,.14)}
.nav-search .s-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.nav-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--ink);font-family:inherit;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-tabs-wrap{border-top:1px solid var(--line);background:#FBFCFE}
.nav-tabs{
  display:flex;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:14.5px;font-weight:500;
  white-space:nowrap;transition:background .2s,color .2s,border-color .2s;
}
.nav-tab:hover{background:#EEF4FB;color:var(--brand);border-color:#C7DAEC}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.nav-tab:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(46,94,140,.25)}

/* ============ 小 Hero ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(246,248,251,.97) 0%,rgba(246,248,251,.9) 44%,rgba(246,248,251,.6) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding-top:46px;padding-bottom:52px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C4D2}
.breadcrumb .now{color:var(--ink)}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--warm-soft);color:#C2410C;font-size:13px;font-weight:600;margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(1.9rem,3.6vw,2.85rem);line-height:1.22;letter-spacing:-.5px;
  margin-bottom:14px;max-width:920px;
}
.cat-hero-sub{max-width:720px;color:var(--muted);font-size:16.5px;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  box-shadow:0 4px 14px rgba(14,27,42,.05);
}
.hero-chip b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ FAQ 布局 ============ */
.faq-layout{
  display:grid;grid-template-columns:264px minmax(0,1fr);gap:36px;
  align-items:start;padding-top:56px;padding-bottom:72px;
}
.faq-side .side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:22px;
}
.faq-side .side-card{position:sticky;top:132px}
.side-title{
  font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--muted);
  margin-bottom:14px;
}
.side-list{display:flex;flex-direction:column;gap:4px}
.side-link{
  display:block;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--muted);
  border-left:3px solid transparent;transition:background .2s,color .2s,border-color .2s;
}
.side-link:hover{background:#F4F8FC;color:var(--brand)}
.side-link.active{background:#EEF4FB;color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.side-figure{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.side-figure .thumb{border-radius:12px;overflow:hidden}
.side-figure img{width:100%;height:128px;object-fit:cover;transition:transform .35s ease}
.side-figure .thumb:hover img{transform:scale(1.03)}
.side-figure figcaption{font-size:12.5px;line-height:1.7;color:var(--muted);margin-top:10px}
.side-help{
  margin-top:16px;padding:14px;border-radius:12px;background:#F5F9FD;
  border:1px solid #DCE8F4;font-size:13px;line-height:1.75;color:var(--muted);
}
.side-help b{display:block;color:var(--ink);font-size:13.5px;margin-bottom:4px}

/* ============ FAQ 内容 ============ */
.faq-group{margin-bottom:44px;scroll-margin-top:140px}
.faq-group:last-child{margin-bottom:0}
.faq-group h2{
  font-size:clamp(1.3rem,2.2vw,1.55rem);line-height:1.35;
  padding-left:14px;border-left:4px solid var(--brand);margin-bottom:8px;
}
.group-note{font-size:14.5px;color:var(--muted);padding-left:18px;margin-bottom:18px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s,box-shadow .22s,transform .22s;
}
.faq-item:hover{border-color:#CFE0F0;box-shadow:0 8px 22px rgba(14,27,42,.06)}
.faq-item.open{border-color:#CFE0F0;box-shadow:var(--shadow)}
.faq-item h3{margin:0;font-size:inherit;font-weight:600}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:background .2s;
}
.faq-q:hover{background:#F7FAFD}
.faq-q:focus-visible{outline:none;background:#F1F7FC;box-shadow:inset 0 0 0 3px rgba(46,94,140,.2)}
.faq-ico{width:20px;height:20px;flex:0 0 auto;color:var(--brand);transition:transform .3s ease}
.faq-item.open .faq-ico{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px}
.faq-a-inner p{
  padding-top:15px;border-top:1px dashed var(--line);
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.faq-a-inner p + p{margin-top:10px;border-top:0;padding-top:0}

/* ============ 底部 CTA ============ */
.cta-band{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:48px;align-items:start}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3;margin-bottom:14px}
.cta-copy > p{color:var(--muted);font-size:16px;max-width:520px}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--muted)}
.cta-points li svg{width:20px;height:20px;flex:0 0 auto;color:var(--teal);margin-top:4px}
.cta-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:26px;
}
.cta-form .form-head{font-size:18px;font-weight:700;margin-bottom:4px}
.cta-form .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:92px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,94,140,.15);
}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:4px 0 18px;line-height:1.7}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto}
.check a{color:var(--brand);text-decoration:underline}
.cta-form .btn{width:100%}
.form-tip{
  display:none;margin-top:12px;padding:10px 14px;border-radius:10px;
  background:#ECFDF5;border:1px solid #A7F3D0;color:#047857;font-size:13.5px;
}
.form-tip.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:#0E1B2A;color:#B9C7D6;padding-top:56px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:38px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#7FB2E0}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB1C4;max-width:330px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);color:#B9C7D6;
}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9FB1C4;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;color:#9FB1C4;margin-bottom:10px;line-height:1.75}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8399AC;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .faq-layout{grid-template-columns:1fr;gap:26px;padding-top:40px;padding-bottom:56px}
  .faq-side .side-card{position:static;padding:16px}
  .side-list{flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .side-list::-webkit-scrollbar{display:none}
  .side-link{
    white-space:nowrap;border-left:0;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;background:#fff;font-size:14px;
  }
  .side-link.active{border-color:var(--brand);background:#EEF4FB}
  .side-figure,.side-help{display:none}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .nav-top-inner{min-height:60px;gap:12px}
  .nav-search{flex:0 0 auto;width:44px;max-width:none;padding:0;justify-content:center;background:#F1F5FA}
  .nav-search input{display:none}
  .cat-hero-inner{padding-top:34px;padding-bottom:38px}
  .cat-hero-sub{font-size:15.5px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .cta-band{padding:48px 0}
  .cta-form{padding:20px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .brand-mark{width:30px;height:30px}
  .brand-mark svg{width:17px;height:17px}
  .btn-sm{height:38px;padding:0 14px;font-size:13.5px}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-links .btn{width:100%}
}