/* roulang page: index */
:root{
  --milan:#1D3F73;
  --milan-deep:#142C52;
  --milan-light:#3B6FB5;
  --accent:#C8102E;
  --grass:#17806B;
  --gold:#B08A3E;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --bg-blue:#EEF3FA;
  --line:#E6E9EE;
  --line-strong:#C7D6EA;
  --ink:#101418;
  --ink-2:#47505C;
  --ink-3:#7A8493;
  --shadow-sm:0 1px 2px rgba(16,26,45,.04),0 8px 24px -12px rgba(16,26,45,.12);
  --shadow-lg:0 12px 32px -10px rgba(16,26,45,.18);
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input{font:inherit;color:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid #EDF0F4;
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(16,26,45,.45);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.01em;color:var(--milan);white-space:nowrap;}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--milan) 0%,var(--milan-light) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:.9375rem;font-weight:500;color:#2A3340;padding:6px 0;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--milan);
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--milan);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--milan);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.nav-side{display:flex;align-items:center;gap:18px;padding-left:24px;border-left:1px solid var(--line);}
.nav-ghost{font-size:.9375rem;font-weight:500;color:var(--ink-2);transition:color .18s ease;}
.nav-ghost:hover{color:var(--milan);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:600;font-size:.9375rem;line-height:1;
  padding:0 20px;height:44px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--milan-light);outline-offset:2px;}
.btn-primary{background:var(--milan);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:#255091;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.btn-accent:hover{background:#DC1B39;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-accent:active{transform:translateY(0);}
.btn-line{background:#fff;border-color:var(--line);color:var(--milan);}
.btn-line:hover{border-color:var(--milan);background:#F2F5FA;transform:translateY(-1px);}
.btn-quiet{background:transparent;color:var(--milan);padding:0 6px;height:auto;border:0;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9375rem;color:var(--milan);
  background-image:linear-gradient(var(--milan),var(--milan));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .25s ease,color .2s ease;
}
.link-arrow:hover{background-size:100% 1px;color:var(--milan-deep);}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--milan);margin:4px auto;transition:.2s;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:8px 0 18px;
}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;font-size:1rem;color:#2A3340;border-bottom:1px solid #F1F4F8;min-height:44px;
}
.mobile-drawer a.is-active{color:var(--milan);font-weight:600;}
.mobile-drawer.is-open{display:block;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.88) 48%,rgba(238,243,250,.82) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:84px 24px 76px;max-width:1200px;margin:0 auto;}
.eyebrow{font-size:.75rem;letter-spacing:.16em;color:var(--milan-light);font-weight:600;}
.hero h1{
  font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);margin:16px 0 18px;
}
.hero-sub{font-size:1.0625rem;line-height:1.75;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px;}
.trust-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin-top:44px;border-top:1px solid var(--line);
}
.trust-item{padding:18px 18px 0 0;}
.trust-item + .trust-item{padding-left:20px;border-left:1px solid var(--line);}
.trust-item strong{display:block;font-size:1.375rem;font-weight:700;color:var(--milan);line-height:1.2;}
.trust-item span{font-size:.8125rem;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-card{
  position:relative;border-radius:18px;overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.94);
  font-size:.8125rem;font-weight:600;color:var(--milan);border:1px solid rgba(29,63,115,.14);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-card-foot{
  padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;
}
.hero-card-foot strong{font-size:.9375rem;font-weight:600;color:var(--ink);}
.hero-card-foot span{font-size:.8125rem;color:var(--ink-3);}

/* ---------- sections ---------- */
.section{padding:100px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.005em;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:1rem;line-height:1.8;}
.section-head .eyebrow{display:block;margin-bottom:12px;}

.card{
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-lg);}
.card-pad{padding:30px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

.channel-card{padding:26px 24px;display:flex;flex-direction:column;gap:12px;height:100%;}
.channel-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-blue);color:var(--milan);font-weight:700;font-size:.875rem;
}
.channel-card h3{font-size:1.125rem;font-weight:600;color:var(--ink);}
.channel-card p{font-size:.9375rem;color:var(--ink-2);line-height:1.75;flex:1;}

.step-card{position:relative;padding:32px 28px;}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  background:var(--milan);color:#fff;font-weight:700;font-size:.9375rem;margin-bottom:20px;
}
.step-card h3{font-size:1.125rem;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:.9375rem;color:var(--ink-2);line-height:1.8;}

.reward-card{padding:30px;display:flex;flex-direction:column;gap:16px;height:100%;}
.reward-tag{
  align-self:flex-start;padding:5px 12px;border-radius:999px;font-size:.75rem;font-weight:600;
  border:1px solid rgba(176,138,62,.4);color:var(--gold);background:rgba(176,138,62,.06);
}
.reward-figure{font-size:1.75rem;font-weight:700;color:var(--milan);line-height:1.2;}
.reward-card h3{font-size:1.125rem;font-weight:600;}
.reward-card p{font-size:.9375rem;color:var(--ink-2);line-height:1.8;flex:1;}
.reward-card ul{display:flex;flex-direction:column;gap:8px;}
.reward-card li{font-size:.875rem;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;}
.check{width:16px;height:16px;border-radius:50%;background:rgba(23,128,107,.12);color:var(--grass);display:inline-flex;align-items:center;justify-content:center;font-size:10px;flex:0 0 auto;margin-top:5px;}

/* progress block */
.progress-panel{padding:36px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);}
.progress-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.progress-top h3{font-size:1.25rem;font-weight:600;}
.progress-top p{font-size:.875rem;color:var(--ink-3);margin-top:6px;}
.progress-badge{
  padding:6px 14px;border-radius:999px;background:var(--bg-blue);color:var(--milan);
  font-size:.8125rem;font-weight:600;font-variant-numeric:tabular-nums;
}
.progress-track{height:8px;border-radius:4px;background:#E8EDF4;position:relative;overflow:visible;}
.progress-fill{height:100%;width:60%;border-radius:4px;background:linear-gradient(90deg,var(--milan) 0%,var(--milan-light) 100%);}
.progress-track i{
  position:absolute;right:40%;top:50%;transform:translate(50%,-50%);
  width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 0 0 1px rgba(200,16,46,.35);
}
.progress-scale{display:flex;justify-content:space-between;margin-top:12px;font-size:.75rem;color:var(--ink-3);}
.task-list{margin-top:28px;border-top:1px solid var(--line);}
.task-row{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.task-row:last-child{border-bottom:0;}
.status-dot{width:14px;height:14px;border-radius:50%;border:1.5px solid #C9D2DE;flex:0 0 auto;}
.status-dot.done{background:var(--grass);border-color:var(--grass);position:relative;}
.status-dot.done::after{content:"✓";position:absolute;inset:0;color:#fff;font-size:9px;display:flex;align-items:center;justify-content:center;}
.task-text{flex:1;font-size:.9375rem;color:var(--ink);}
.task-row .muted{font-size:.8125rem;color:var(--ink-3);}

/* CMS list */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start;}
.lead-card{display:flex;flex-direction:column;overflow:hidden;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.lead-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.lead-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#F1F4F8;}
.lead-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  background:var(--bg-blue);color:var(--milan);font-size:.75rem;font-weight:600;width:fit-content;
}
.badge.alt{background:rgba(23,128,107,.1);color:var(--grass);}
.lead-body h3{font-size:1.25rem;font-weight:600;line-height:1.4;}
.lead-body p{font-size:.9375rem;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:14px;font-size:.8125rem;color:var(--ink-3);}
.news-list{border-top:1px solid var(--line);}
.news-item{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line);}
.news-item img{width:88px;height:66px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#F1F4F8;}
.news-item h3{font-size:1rem;font-weight:600;line-height:1.5;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item p{font-size:.8125rem;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item a:hover h3{color:var(--milan);}
.empty-state{
  min-height:240px;border:1px dashed var(--line-strong);border-radius:16px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:32px;
}
.empty-state .ring{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--milan-light);font-size:18px;}

/* FAQ */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:1rem;font-weight:600;color:var(--ink);min-height:44px;
}
.faq-q:focus-visible{outline:2px solid var(--milan-light);outline-offset:-4px;}
.faq-sign{font-size:18px;color:var(--milan-light);transition:transform .25s ease;line-height:1;}
.faq-item.open .faq-sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:.9375rem;color:var(--ink-2);line-height:1.85;border-top:1px solid var(--line);padding-top:16px;}
.faq-item.open{border-left:3px solid var(--milan);}

/* CTA band */
.cta-band{background:var(--milan-deep);color:#fff;}
.cta-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;padding:76px 24px;max-width:1200px;margin:0 auto;}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;line-height:1.3;color:#fff;}
.cta-inner p{margin-top:14px;font-size:1rem;line-height:1.85;color:rgba(255,255,255,.78);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-white{background:#fff;color:var(--milan-deep);}
.btn-white:hover{background:#EEF3FA;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.cta-panel{
  border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:28px;background:rgba(255,255,255,.04);
}
.cta-panel h3{font-size:1.0625rem;font-weight:600;color:#fff;margin-bottom:16px;}
.cta-panel li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:.9375rem;color:rgba(255,255,255,.82);}
.cta-panel li:last-child{border-bottom:0;}
.cta-panel b{color:#fff;font-weight:600;}

/* footer */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:72px 24px 44px;max-width:1200px;margin:0 auto;}
.footer-brand p{margin-top:16px;font-size:.9375rem;color:var(--ink-2);line-height:1.85;max-width:340px;}
.footer-rule{height:1px;background:var(--line);margin:22px 0;max-width:300px;}
.footer-col h4{font-size:.8125rem;font-weight:600;color:var(--milan);letter-spacing:.06em;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:.9375rem;color:var(--ink-2);transition:color .18s ease;background-image:linear-gradient(var(--milan),var(--milan));background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;transition:background-size .22s ease,color .18s ease;}
.footer-col a:hover{color:var(--milan);background-size:100% 1px;}
.footer-bottom{border-top:1px solid var(--line);}
.footer-bottom-inner{max-width:1200px;margin:0 auto;padding:22px 24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--ink-3);}

@media (max-width:1024px){
  .nav-links,.nav-side{display:none;}
  .burger{display:flex;margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 24px 56px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-5{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .faq-list{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;padding:64px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:56px 24px 36px;}
  .section{padding:80px 0;}
}
@media (max-width:640px){
  .site-container{padding:0 20px;}
  .grid-3,.grid-2,.grid-5{grid-template-columns:1fr;}
  .trust-bar{grid-template-columns:1fr;}
  .trust-item{padding:16px 0 0 0;}
  .trust-item + .trust-item{padding-left:0;border-left:0;border-top:1px solid var(--line);}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .card-pad,.progress-panel,.reward-card,.step-card{padding:22px;}
  .news-item img{width:72px;height:54px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --blue:#1D3F73; --blue-deep:#142C52; --blue-light:#3B6FB5;
  --accent:#C8102E; --green:#17806B; --gold:#B08A3E;
  --bg:#FFFFFF; --bg-soft:#F6F7F9; --line:#E6E9EE; --line-soft:#EDF0F4;
  --text:#101418; --sub:#47505C; --mute:#7A8493;
  --r-card:16px; --r-kv:18px; --r-btn:10px; --r-field:12px;
  --shadow:0 1px 2px rgba(16,26,45,.04), 0 8px 24px -12px rgba(16,26,45,.12);
  --shadow-hover:0 12px 32px -10px rgba(16,26,45,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.eyebrow{font-size:.75rem;letter-spacing:.16em;color:var(--blue-light);font-weight:600;text-transform:uppercase;}
.section-head h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;color:var(--blue-deep);}
.section-head p{color:var(--sub);font-size:.9375rem;max-width:560px;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line-soft);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,26,45,.35);}
.nav-inner{max-width:var(--container);margin:0 auto;height:72px;padding:0 24px;display:flex;align-items:center;gap:28px;transition:height .22s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--blue-deep);font-size:1.0625rem;letter-spacing:.01em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.9375rem;font-weight:700;flex:none;}
.nav-links{display:flex;align-items:center;gap:32px;margin:0 auto;}
.nav-links a{position:relative;padding:6px 0;font-size:.9375rem;font-weight:500;color:#2A3340;transition:color .2s ease;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--blue);transition:width .22s ease;}
.nav-links a:hover{color:var(--blue);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--blue);}
.nav-links a.is-active::after{width:100%;}
.nav-side{display:flex;align-items:center;gap:16px;}
.nav-ghost{font-size:.9375rem;font-weight:500;color:var(--sub);position:relative;padding:4px 0;}
.nav-ghost::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--blue-light);transition:width .22s ease;}
.nav-ghost:hover{color:var(--blue);}
.nav-ghost:hover::after{width:100%;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:.9375rem;font-weight:600;border:1px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(200,16,46,.6);}
.btn-accent:hover{background:#D51B36;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(200,16,46,.7);}
.btn-accent:active{transform:translateY(0);}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px -12px rgba(29,63,115,.7);}
.btn-primary:hover{background:#22497F;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--blue);}
.btn-ghost:hover{border-color:var(--blue);background:#F2F5FA;}
.btn-sm{height:38px;padding:0 16px;font-size:.875rem;}
.burger{display:none;margin-left:auto;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:10px;}
.burger span{display:block;width:20px;height:1.5px;background:#2A3340;transition:transform .25s ease,opacity .2s ease;}
.burger:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}

/* 页头 */
.article-hero{position:relative;border-bottom:1px solid var(--line);padding:36px 0 52px;
  background-image:linear-gradient(rgba(255,255,255,.94),rgba(255,255,255,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--mute);}
.crumb a{color:var(--mute);transition:color .2s ease;}
.crumb a:hover{color:var(--blue);}
.crumb .sep{color:#C9D2DE;}
.article-wrap{max-width:var(--read);margin:0 auto;padding:0 24px;}
.article-cat{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:.8125rem;font-weight:600;color:var(--blue);}
.article-cat .dot{width:6px;height:6px;border-radius:999px;background:var(--accent);}
.article-title{margin-top:14px;font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.2;font-weight:700;color:var(--blue-deep);letter-spacing:-.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:.875rem;color:var(--mute);}
.article-meta .bar{width:1px;height:14px;background:var(--line);}

/* 正文 */
.article-main{padding:56px 0 88px;}
.article-body{font-size:1.0625rem;line-height:1.9;color:#1A202A;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{font-size:1.375rem;font-weight:700;color:var(--blue-deep);line-height:1.4;margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--blue);}
.article-body h3{font-size:1.125rem;font-weight:600;color:#16202D;margin:1.6em 0 .6em;}
.article-body h4{font-size:1rem;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.35em 0;}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:#EEF3FA;border-left:3px solid var(--blue);border-radius:0 12px 12px 0;color:var(--sub);}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.9375rem;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body thead th{background:var(--bg-soft);font-weight:600;color:var(--blue-deep);}
.article-body tbody tr:nth-child(even){background:#FAFBFC;}
.article-body img{border-radius:12px;margin:1.4em auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{margin-top:8px;font-size:.8125rem;color:var(--mute);text-align:center;}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--blue-light);}
.article-body code{background:#F1F4F8;padding:2px 6px;border-radius:6px;font-size:.9em;}
.rule-line{height:1px;background:var(--line);margin:0;}
.tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.tags .label{font-size:.8125rem;font-weight:600;color:var(--mute);letter-spacing:.06em;}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.8125rem;color:var(--sub);transition:border-color .2s ease,color .2s ease,background-color .2s ease;}
.chip:hover{border-color:var(--blue-light);color:var(--blue);background:#F2F5FA;}
.chip-solid{background:#EEF3FA;border-color:#DCE6F4;color:var(--blue);}

/* 空态 */
.empty-state{margin-top:32px;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;text-align:center;}
.empty-state .mark{width:56px;height:56px;margin:0 auto 18px;border:1px solid var(--line);border-radius:999px;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:1.25rem;}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--blue-deep);}
.empty-state p{margin-top:10px;color:var(--sub);font-size:.9375rem;}
.empty-state .btn{margin-top:24px;}

/* 相关推荐 */
.rec-grid{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(268px,1fr);gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x proximity;}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;scroll-snap-align:start;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C7D6EA;}
.rec-cover{position:relative;aspect-ratio:16/10;background:#EDF1F6;overflow:hidden;}
.rec-cover img{width:100%;height:100%;object-fit:cover;}
.rec-badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--blue);font-size:.75rem;font-weight:600;border:1px solid rgba(29,63,115,.14);}
.rec-body{padding:20px 20px 22px;}
.rec-body h3{font-size:1.0625rem;font-weight:600;color:var(--blue-deep);line-height:1.5;}
.rec-body p{margin-top:10px;font-size:.875rem;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.875rem;font-weight:600;color:var(--blue);}
.rec-more span{transition:transform .2s ease;}
.rec-card:hover .rec-more span{transform:translateX(4px);}
.link-more{position:relative;font-size:.9375rem;font-weight:600;color:var(--blue);}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;background:currentColor;transform:scaleX(.35);transform-origin:left;transition:transform .24s ease;}
.link-more:hover::after{transform:scaleX(1);}

/* 提示带 */
.tip-band{display:flex;align-items:flex-start;gap:14px;padding:20px 22px;border:1px solid #DCE6F4;background:#EEF3FA;border-radius:14px;color:var(--sub);font-size:.9375rem;}
.tip-band .ico{width:22px;height:22px;flex:none;border-radius:999px;border:1.5px solid var(--blue-light);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;line-height:1;}

/* 尾部操作 */
.cta-band{padding:64px 0;}
.cta-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:36px 34px;border:1px solid var(--line);border-radius:var(--r-kv);background:linear-gradient(180deg,#FFFFFF 0%,#F6F7F9 100%);box-shadow:var(--shadow);}
.cta-card h2{font-size:clamp(1.25rem,2.4vw,1.625rem);font-weight:700;color:var(--blue-deep);line-height:1.35;}
.cta-card p{margin-top:10px;font-size:.9375rem;color:var(--sub);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 0;margin-top:8px;}
.footer-grid{max-width:var(--container);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:.9375rem;color:var(--sub);max-width:360px;line-height:1.85;}
.footer-rule{height:1px;background:var(--line);margin:18px 0;}
.footer-col h4{font-size:.8125rem;font-weight:600;color:var(--blue);letter-spacing:.08em;margin-bottom:16px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:.9375rem;color:var(--sub);position:relative;transition:color .2s ease;}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--blue);transition:width .22s ease;}
.footer-col a:hover{color:var(--blue);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);}
.footer-bottom-inner{max-width:var(--container);margin:0 auto;padding:20px 24px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--mute);}

@media (max-width:1024px){
  .nav-inner{height:64px;gap:16px;}
  .burger{display:flex;}
  .nav-links{position:fixed;top:64px;right:0;width:min(320px,84vw);height:calc(100vh - 64px);background:#fff;border-left:1px solid var(--line);box-shadow:-12px 0 28px -20px rgba(16,26,45,.4);
    display:flex;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 24px;margin:0;overflow-y:auto;transform:translateX(105%);transition:transform .28s ease;z-index:70;}
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:1rem;min-height:44px;display:flex;align-items:center;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--blue);font-weight:600;}
  .nav-side{margin-left:auto;}
  .nav-ghost{display:none;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rec-grid{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:repeat(2,1fr);overflow:visible;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .article-hero{padding:26px 0 40px;}
  .article-main{padding:40px 0 64px;}
  .cta-card{padding:28px 22px;}
}
@media (max-width:640px){
  .container,.nav-inner,.article-wrap,.footer-grid,.footer-bottom-inner{padding-left:20px;padding-right:20px;}
  .brand span:last-child{font-size:1rem;}
  .btn{height:44px;padding:0 18px;}
  .btn-sm{height:40px;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .article-title{font-size:1.625rem;}
  .article-body{font-size:1rem;line-height:1.85;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --blue:#1D3F73; --blue-deep:#142C52; --blue-light:#3B6FB5;
  --red:#C8102E; --green:#17806B; --gold:#B08A3E;
  --bg:#FFFFFF; --bg-alt:#F6F7F9; --card:#FFFFFF;
  --line:#E6E9EE; --line-soft:#EDF0F4; --line-blue:#C7D6EA;
  --ink:#101418; --ink-2:#47505C; --ink-3:#7A8493;
  --r-card:16px; --r-kv:18px; --r-btn:10px; --r-input:12px;
  --sh-1:0 1px 2px rgba(16,26,45,.04), 0 8px 24px -12px rgba(16,26,45,.12);
  --sh-2:0 12px 32px -10px rgba(16,26,45,.18);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px; line-height:1.75; color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-size:.75rem;letter-spacing:.16em;color:var(--blue-light);
  font-weight:600;text-transform:uppercase;
}
.h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
.h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:1.25rem;line-height:1.4;font-weight:600;}
.lead{font-size:1.0625rem;line-height:1.9;color:var(--ink-2);}
.muted{color:var(--ink-3);font-size:.875rem;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head .h2{margin-top:12px;}
.section-head p{margin-top:16px;color:var(--ink-2);}
.divider{height:1px;background:var(--line);border:0;}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,26,45,.35);}
.nav-inner{
  max-width:var(--shell);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:32px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.0625rem;color:var(--blue);letter-spacing:-.01em;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--blue);color:#fff;
  display:grid;place-items:center;font-size:.9375rem;font-weight:700;
}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:.9375rem;font-weight:500;color:#2A3340;
  padding:6px 0;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--blue);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--blue);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:18px;}
.nav-ghost{font-size:.9375rem;font-weight:500;color:var(--ink-2);border-bottom:1px solid transparent;transition:color .2s,border-color .2s;}
.nav-ghost:hover{color:var(--blue);border-color:var(--blue);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#254a83;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--red);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#d31a37;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--blue);border-color:#D8DEE7;}
.btn-outline:hover{background:#F2F5FA;border-color:var(--blue);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:.875rem;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9375rem;color:var(--blue);
  background-image:linear-gradient(var(--blue),var(--blue));
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .25s ease;
}
.link-arrow:hover{background-size:100% 1px;}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.burger{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink-2);transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
.scrim{position:fixed;inset:0;background:rgba(16,26,45,.35);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:55;}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ===== 页头 ===== */
.page-head{padding:56px 0 72px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#FBFCFD 0%,#FFFFFF 100%);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3);margin-bottom:28px;}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--blue);}
.crumbs span.sep{color:#C9D2DE;}
.head-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.95fr);gap:56px;align-items:center;}
.head-grid .h1{margin:14px 0 18px;}
.head-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:32px;}
.head-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.head-fact strong{display:block;font-size:1.25rem;font-weight:700;color:var(--blue);}
.head-fact span{font-size:.8125rem;color:var(--ink-3);}
.head-media{position:relative;border-radius:var(--r-kv);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:#fff;}
.head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.media-badge{
  position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-size:.8125rem;font-weight:600;color:var(--blue);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block;}
.dot-red{background:var(--red);}
.media-foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,rgba(20,44,82,0) 0%,rgba(20,44,82,.86) 100%);
  color:#fff;font-size:.875rem;
}

/* ===== 时间线 ===== */
.tl-wrap{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:64px;align-items:start;}
.timeline{position:relative;}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-rail{position:relative;display:flex;justify-content:center;}
.tl-rail::after{
  content:"";position:absolute;top:44px;bottom:-32px;left:50%;width:1px;
  background:var(--line);transform:translateX(-50%);
}
.tl-item:last-child .tl-rail::after{display:none;}
.tl-dot{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line-blue);
  color:var(--blue);font-weight:700;font-size:.9375rem;display:grid;place-items:center;
  box-shadow:var(--sh-1);z-index:1;
}
.tl-item:last-child .tl-dot{border-color:var(--red);color:var(--red);}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh-1);transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.tl-card:hover{border-color:var(--line-blue);transform:translateY(-2px);box-shadow:var(--sh-2);}
.tl-card .h3{margin-bottom:10px;}
.tl-card p{color:var(--ink-2);}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:6px 13px;font-size:.8125rem;font-weight:600;
  background:#F2F5FA;color:var(--blue);border:1px solid #E1E9F5;
}
.chip-green{background:#EAF6F2;color:var(--green);border-color:#CFE9E1;}
.chip-gold{background:#FBF5E9;color:var(--gold);border-color:#EEDFBE;}
.sticky-box{position:sticky;top:96px;}
.sticky-card{
  border-radius:var(--r-kv);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-1);
}
.sticky-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sticky-body{padding:24px 26px 26px;}
.sticky-body .h3{margin-bottom:10px;}
.sticky-body p{color:var(--ink-2);font-size:.9375rem;}
.tick-list{margin-top:20px;}
.tick-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-top:1px solid var(--line-soft);font-size:.9375rem;color:var(--ink-2);}
.tick{flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin-top:3px;}
.tick svg{width:11px;height:11px;}

/* ===== 核对清单 ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh-1);transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.check-card:hover{border-color:var(--line-blue);transform:translateY(-2px);box-shadow:var(--sh-2);}
.check-card .h3{margin:14px 0 10px;}
.check-card p{color:var(--ink-2);font-size:.9375rem;}
.idx{font-size:.8125rem;font-weight:700;color:var(--blue-light);letter-spacing:.12em;}
.note-band{
  display:flex;gap:14px;align-items:flex-start;margin-top:32px;
  background:#EEF3FA;border:1px solid #DCE7F4;border-radius:14px;padding:18px 22px;
  color:var(--ink-2);font-size:.9375rem;
}
.note-band svg{flex:0 0 auto;margin-top:3px;color:var(--blue);}

/* ===== 场景三卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.scene-card:hover{border-color:var(--line-blue);transform:translateY(-2px);box-shadow:var(--sh-2);}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.scene-body .h3{margin-bottom:10px;}
.scene-body p{color:var(--ink-2);font-size:.9375rem;flex:1;}
.scene-body .link-arrow{margin-top:18px;}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start;}
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:border-color .2s ease;}
.faq-card:hover{border-color:var(--line-blue);}
.faq-card[open]{border-left:3px solid var(--blue);}
.faq-card summary{
  list-style:none;cursor:pointer;padding:22px 26px;display:flex;align-items:center;gap:16px;
  font-weight:600;font-size:1rem;color:var(--ink);min-height:44px;
}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-card summary .sign{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .22s ease;color:var(--blue);
}
.faq-card summary .sign::before,
.faq-card summary .sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-card summary .sign::before{left:0;right:0;top:10px;height:2px;}
.faq-card summary .sign::after{top:0;bottom:0;left:10px;width:2px;transition:opacity .2s ease;}
.faq-card[open] summary .sign{transform:rotate(45deg);}
.faq-card[open] summary .sign::after{opacity:0;}
.faq-body{padding:18px 26px 24px;border-top:1px solid var(--line);color:var(--ink-2);font-size:.9375rem;}

/* ===== CTA 带 ===== */
.cta-band{background:var(--blue-deep);color:#fff;padding:88px 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:center;}
.cta-band .eyebrow{color:#8FB4E6;}
.cta-band .h2{margin:14px 0 18px;color:#fff;}
.cta-band p{color:#C6D4E8;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end;}
.cta-btn-light{background:#fff;color:var(--blue-deep);}
.cta-btn-light:hover{background:#EAF0F8;transform:translateY(-1px);box-shadow:var(--sh-2);}
.cta-btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.cta-btn-line:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-1px);}
.cta-list{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);}
.cta-list span{font-size:.875rem;color:#A9BDD9;display:inline-flex;align-items:center;gap:8px;}

/* ===== footer ===== */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);}
.footer-grid{
  max-width:var(--shell);margin:0 auto;padding:72px 24px 56px;
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--ink-2);font-size:.9375rem;max-width:420px;}
.footer-rule{height:1px;background:var(--line);margin:20px 0;}
.footer-col h4{font-size:.8125rem;color:var(--blue);font-weight:700;letter-spacing:.06em;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:.9375rem;color:var(--ink-2);transition:color .2s ease;}
.footer-col a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{border-top:1px solid var(--line);}
.footer-bottom-inner{
  max-width:var(--shell);margin:0 auto;padding:22px 24px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-3);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-links,.nav-side{display:none;}
  .burger{display:flex;}
  .nav-links.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:340px;
    background:#fff;padding:88px 26px 26px;margin:0;z-index:65;
    box-shadow:-18px 0 44px -24px rgba(16,26,45,.4);
    overflow-y:auto;
  }
  .nav-links.is-open a{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:1rem;min-height:44px;display:flex;align-items:center;}
  .nav-links.is-open a::after{display:none;}
  .head-grid{grid-template-columns:1fr;gap:40px;}
  .head-media{order:-1;}
  .tl-wrap{grid-template-columns:1fr;gap:40px;}
  .sticky-box{position:static;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;padding:56px 24px 44px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .page-head{padding:36px 0 56px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{padding:64px 0;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .nav-inner{padding:0 20px;height:64px;gap:16px;}
  .brand{font-size:1rem;}
  .tl-item{grid-template-columns:44px 1fr;gap:14px;}
  .tl-dot{width:36px;height:36px;font-size:.875rem;}
  .tl-rail::after{top:36px;}
  .tl-card{padding:20px;}
  .scene-grid{grid-template-columns:1fr;}
  .check-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .head-actions .btn{width:100%;}
  .head-facts{gap:20px;}
}

/* roulang page: category2 */
:root{
    --blue:#1D3F73;
    --blue-dark:#142C52;
    --blue-light:#3B6FB5;
    --red:#C8102E;
    --green:#17806B;
    --gold:#B08A3E;
    --bg:#FFFFFF;
    --bg-soft:#F6F7F9;
    --bg-tint:#EEF3FA;
    --line:#E6E9EE;
    --line-soft:#EDF0F4;
    --line-hover:#C7D6EA;
    --ink:#101418;
    --ink-2:#47505C;
    --ink-3:#7A8493;
    --r-card:16px;
    --r-kv:18px;
    --r-btn:10px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(16,26,45,.04), 0 8px 24px -12px rgba(16,26,45,.12);
    --sh-2:0 12px 32px -10px rgba(16,26,45,.18);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    font-size:1rem;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  strong{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
  .eyebrow{
    font-size:.75rem;letter-spacing:.16em;font-weight:600;
    color:var(--blue-light);text-transform:uppercase;margin-bottom:14px;
  }
  .sec{padding:96px 0;}
  .sec-soft{background:var(--bg-soft);}
  .sec-head{margin-bottom:40px;max-width:760px;}
  .sec-head h2{
    font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;color:var(--blue-dark);
  }
  .sec-head p{margin-top:14px;color:var(--ink-2);font-size:1rem;}
  .sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--blue);
    background-image:linear-gradient(var(--blue),var(--blue));
    background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;
    transition:background-size .25s ease,color .2s ease;
  }
  .link-arrow:hover{background-size:100% 1px;color:var(--blue-light);}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:#fff;
    border-bottom:1px solid var(--line-soft);
    transition:box-shadow .25s ease,height .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,26,45,.35);}
  .nav-inner{
    max-width:var(--container);margin:0 auto;padding:0 24px;
    height:72px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  }
  .site-header.is-scrolled .nav-inner{height:64px;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--blue);font-size:1.0625rem;letter-spacing:.01em;}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--blue);color:#fff;
    display:grid;place-items:center;font-size:.9375rem;font-weight:700;flex:none;
  }
  .nav-links{display:flex;align-items:center;gap:32px;}
  .nav-links a{
    position:relative;font-size:.9375rem;font-weight:500;color:#2A3340;padding:6px 0;
    transition:color .2s ease;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--blue-light);transition:width .25s ease;
  }
  .nav-links a:hover{color:var(--blue);}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.is-active{color:var(--blue);}
  .nav-links a.is-active::after{width:100%;}
  .nav-side{display:flex;align-items:center;gap:18px;}
  .nav-ghost{font-size:.9375rem;font-weight:500;color:var(--ink-2);transition:color .2s ease;}
  .nav-ghost:hover{color:var(--blue);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:.9375rem;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}
  .btn-accent{background:var(--red);color:#fff;}
  .btn-accent:hover{background:#d5152f;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(200,16,46,.7);}
  .btn-accent:active{transform:translateY(0);}
  .btn-primary{background:var(--blue);color:#fff;}
  .btn-primary:hover{background:#234a85;transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(29,63,115,.8);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:#fff;border-color:#D8DEE7;color:var(--blue);}
  .btn-outline:hover{border-color:var(--blue);background:#F2F5FA;transform:translateY(-1px);}
  .btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
  .btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
    cursor:pointer;padding:0;place-items:center;
  }
  .burger span{display:block;width:18px;height:2px;background:#2A3340;margin:3px auto;transition:transform .2s ease,opacity .2s ease;}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
  .nav-drawer{
    position:fixed;top:0;right:0;width:min(320px,84vw);height:100vh;background:#fff;
    border-left:1px solid var(--line);padding:92px 24px 32px;z-index:80;
    transform:translateX(100%);transition:transform .28s ease;
    display:flex;flex-direction:column;gap:2px;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .nav-drawer a{padding:14px 2px;font-size:1rem;color:#2A3340;border-bottom:1px solid var(--line-soft);}
  .nav-drawer a:hover{color:var(--blue);}
  .nav-drawer .drawer-cta{margin-top:22px;border:0;}
  .nav-mask{
    position:fixed;inset:0;background:rgba(16,26,45,.36);opacity:0;visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;z-index:70;
  }
  .nav-mask.is-open{opacity:1;visibility:visible;}

  /* ---------- page head ---------- */
  .page-head{
    background:var(--bg-soft);
    background-image:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.9) 45%,rgba(255,255,255,.72) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--line);
    padding:36px 0 72px;
  }
  .crumbs{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--ink-3);}
  .crumbs a{color:var(--ink-2);transition:color .2s ease;}
  .crumbs a:hover{color:var(--blue);text-decoration:underline;}
  .crumbs .current{color:var(--blue);font-weight:600;}
  .page-head-grid{
    display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;margin-top:34px;
  }
  .page-head-copy h1{
    font-size:clamp(2rem,4.4vw,2.9rem);line-height:1.15;font-weight:700;color:var(--blue-dark);
  }
  .lede{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:620px;}
  .head-facts{
    margin-top:32px;display:flex;gap:0;border-top:1px solid var(--line);
  }
  .head-facts > div{
    flex:1;padding:18px 20px 0 0;border-right:1px solid var(--line);
  }
  .head-facts > div:last-child{border-right:0;}
  .head-facts strong{display:block;font-size:1.5rem;font-weight:700;color:var(--blue);line-height:1.2;}
  .head-facts span{display:block;margin-top:4px;font-size:.8125rem;color:var(--ink-3);}
  .page-head-media{
    position:relative;border-radius:var(--r-kv);overflow:hidden;border:1px solid var(--line);
    background:#F2F4F7;box-shadow:var(--sh-1);
  }
  .page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .media-badge{
    position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);
    border:1px solid var(--line);border-radius:999px;padding:8px 16px;
    font-size:.8125rem;font-weight:600;color:var(--blue);display:flex;align-items:center;gap:8px;
    backdrop-filter:blur(2px);
  }
  .dot-live{width:8px;height:8px;border-radius:50%;background:var(--red);display:inline-block;}

  /* ---------- chip bar ---------- */
  .chip-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:12px;
    padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:36px;
  }
  .chip{
    height:40px;padding:0 18px;border-radius:999px;border:1px solid #D8DEE7;background:#fff;
    font-size:.875rem;font-weight:500;color:var(--ink-2);cursor:pointer;
    transition:all .2s ease;
  }
  .chip:hover{border-color:var(--blue);color:var(--blue);background:#F2F5FA;}
  .chip.is-active{background:var(--blue);border-color:var(--blue);color:#fff;}
  .chip.is-active:hover{background:#234a85;color:#fff;}
  .chip:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}
  .chip-meta{margin-left:auto;font-size:.8125rem;color:var(--ink-3);font-variant-numeric:tabular-nums;}

  /* ---------- project grid ---------- */
  .project-grid{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  }
  .p-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;display:flex;flex-direction:column;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .p-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-hover);}
  .p-cover{position:relative;background:#F2F4F7;border-bottom:1px solid var(--line);}
  .p-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .p-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .p-tag{
    align-self:flex-start;font-size:.75rem;font-weight:600;letter-spacing:.04em;
    color:var(--blue-light);background:var(--bg-tint);border-radius:999px;padding:4px 12px;
  }
  .p-title{font-size:1.0625rem;font-weight:600;line-height:1.5;color:var(--ink);}
  .p-meta{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3);font-variant-numeric:tabular-nums;}
  .p-body .link-arrow{margin-top:auto;font-size:.875rem;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;
    padding:4px 10px;border-radius:999px;border:1px solid transparent;
  }
  .badge-live{color:var(--red);background:rgba(200,16,46,.07);border-color:rgba(200,16,46,.24);}
  .badge-soon{color:var(--blue);background:rgba(29,63,115,.06);border-color:rgba(29,63,115,.2);}
  .badge-done{color:var(--ink-3);background:#F1F3F6;border-color:var(--line);}
  .badge-wait{color:var(--gold);background:rgba(176,138,62,.08);border-color:rgba(176,138,62,.3);}
  .badge i{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}

  /* ---------- status section ---------- */
  .status-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .status-list{border-top:1px solid var(--line);}
  .status-item{
    display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);
  }
  .status-item .idx{
    font-size:.8125rem;font-weight:700;color:var(--blue-light);padding-top:4px;
    font-variant-numeric:tabular-nums;min-width:28px;
  }
  .status-item h3{font-size:1.0625rem;font-weight:600;color:var(--blue-dark);}
  .status-item p{margin-top:6px;font-size:.9375rem;color:var(--ink-2);}
  .status-media{
    border-radius:var(--r-kv);overflow:hidden;border:1px solid var(--line);
    background:#F2F4F7;box-shadow:var(--sh-1);
  }
  .status-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  /* ---------- steps strip ---------- */
  .steps-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-hover);}
  .step-num{
    width:36px;height:36px;border-radius:10px;background:var(--bg-tint);color:var(--blue);
    display:grid;place-items:center;font-weight:700;font-size:.9375rem;margin-bottom:18px;
    font-variant-numeric:tabular-nums;
  }
  .step-card h3{font-size:1.125rem;font-weight:600;color:var(--blue-dark);}
  .step-card p{margin-top:10px;font-size:.9375rem;color:var(--ink-2);}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:14px;max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:var(--line-hover);}
  .faq-item.is-open{border-color:var(--line-hover);box-shadow:var(--sh-1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 26px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:1.0625rem;font-weight:600;color:var(--blue-dark);
  }
  .faq-q:focus-visible{outline:2px solid var(--blue-light);outline-offset:-4px;}
  .faq-icon{
    position:relative;width:20px;height:20px;flex:none;transition:transform .25s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--blue-light);border-radius:2px;
  }
  .faq-icon::before{left:0;top:9px;width:20px;height:2px;}
  .faq-icon::after{top:0;left:9px;width:2px;height:20px;}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .faq-a-inner{
    border-top:1px solid var(--line);padding:20px 26px 24px;
    font-size:.9375rem;color:var(--ink-2);line-height:1.85;
    box-shadow:inset 3px 0 0 0 var(--blue);
  }

  /* ---------- cta band ---------- */
  .cta-band{
    background:var(--blue-dark);color:#fff;padding:88px 0;
  }
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
  .cta-inner h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.3;font-weight:700;}
  .cta-inner p{margin-top:14px;font-size:1rem;color:rgba(255,255,255,.78);max-width:560px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:72px 0 0;}
  .footer-grid{
    max-width:var(--container);margin:0 auto;padding:0 24px;
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  }
  .footer-brand p{margin-top:18px;font-size:.9375rem;color:var(--ink-2);max-width:340px;}
  .footer-rule{height:1px;background:var(--line);margin:22px 0;}
  .footer-col h4{
    font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--blue);margin:0 0 16px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{font-size:.9375rem;color:var(--ink-2);transition:color .2s ease;}
  .footer-col a:hover{color:var(--blue);text-decoration:underline;}
  .footer-bottom{border-top:1px solid var(--line);margin-top:56px;}
  .footer-bottom-inner{
    max-width:var(--container);margin:0 auto;padding:20px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:.8125rem;color:var(--ink-3);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .project-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  }
  @media (max-width:1023px){
    .nav-links,.nav-side{display:none;}
    .burger{display:grid;}
    .sec{padding:72px 0;}
    .page-head-grid{grid-template-columns:1fr;gap:36px;}
    .page-head-media{max-width:560px;}
    .status-wrap{grid-template-columns:1fr;gap:36px;}
    .steps-strip{grid-template-columns:1fr;gap:18px;}
    .project-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }
  @media (max-width:639px){
    .container{padding:0 20px;}
    .nav-inner{padding:0 20px;height:64px;}
    .site-header.is-scrolled .nav-inner{height:60px;}
    .sec{padding:56px 0;}
    .page-head{padding:24px 0 56px;}
    .head-facts{flex-wrap:wrap;}
    .head-facts > div{flex:1 1 50%;border-right:0;padding:16px 0 0;}
    .head-facts > div:nth-child(odd){border-right:1px solid var(--line);padding-right:16px;}
    .project-grid{grid-template-columns:1fr;}
    .chip-bar{gap:10px;}
    .chip-meta{margin-left:0;width:100%;}
    .sec-head--row{flex-direction:column;align-items:flex-start;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category3 */
:root{
  --brand:#1D3F73; --brand-deep:#142C52; --brand-light:#3B6FB5;
  --accent:#C8102E; --green:#17806B; --gold:#B08A3E;
  --bg:#FFFFFF; --bg-alt:#F6F7F9; --card:#FFFFFF;
  --line:#E6E9EE; --line-soft:#EDF0F4;
  --text:#101418; --text-2:#47505C; --text-3:#7A8493;
  --chip:#C9D2DE;
  --r-card:16px; --r-hero:18px; --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,26,45,.04), 0 8px 24px -12px rgba(16,26,45,.12);
  --sh-2:0 12px 32px -10px rgba(16,26,45,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,26,45,.4)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand-deep);font-size:1.0625rem;letter-spacing:.01em;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:.9375rem;font-weight:700;letter-spacing:0;
}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{position:relative;font-size:.9375rem;font-weight:500;color:#2A3340;padding:6px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:16px;margin-left:8px}
.nav-ghost{font-size:.9375rem;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px}
.nav-ghost:hover{color:var(--brand);border-color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(200,16,46,.65)}
.btn-accent:hover{background:#D4203C;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(200,16,46,.7)}
.btn-accent:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(29,63,115,.75)}
.btn-primary:hover{background:#245091;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(29,63,115,.8)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:#C7D6EA}
.btn-outline:hover{background:#F2F5FA;border-color:var(--brand);transform:translateY(-1px)}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  margin-left:auto;cursor:pointer;padding:0;
}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:#2A3340;border-radius:2px;transition:transform .2s ease,opacity .2s ease}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:52px 0 72px;
  background-color:#F6F7F9;
  background-image:linear-gradient(rgba(255,255,255,.92),rgba(255,255,255,.95)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{font-size:.8125rem;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{margin:0 8px;color:#B7BFCB}
.head-grid{display:grid;grid-template-columns:1.3fr .95fr;gap:56px;align-items:center}
.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.16em;color:var(--brand-light);margin-bottom:14px}
.page-head h1{
  font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;font-weight:700;
  color:var(--brand-deep);letter-spacing:-.01em;
}
.lede{margin-top:18px;font-size:1.0625rem;line-height:1.85;color:var(--text-2);max-width:54ch}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.head-figure{
  position:relative;border-radius:var(--r-hero);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-2);
}
.head-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.head-badge{
  position:absolute;left:18px;bottom:18px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  font-size:.8125rem;font-weight:600;color:var(--brand-deep);
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-head h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;color:var(--brand-deep)}
.sec-head p{margin-top:12px;font-size:1rem;line-height:1.85;color:var(--text-2)}

/* ============ 速览 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-item:hover{transform:translateY(-2px);border-color:#C7D6EA;box-shadow:var(--sh-2)}
.stat-num{font-size:2rem;line-height:1.1;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-item h3{margin-top:10px;font-size:1rem;font-weight:600;color:var(--text)}
.stat-item p{margin-top:8px;font-size:.9375rem;line-height:1.75;color:var(--text-2)}

/* ============ 文档区 ============ */
.doc-grid{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.doc-toc{position:sticky;top:100px}
.doc-toc h3{font-size:.8125rem;font-weight:600;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px}
.doc-toc a{
  display:block;padding:11px 12px 11px 14px;border-left:2px solid var(--line);
  font-size:.9375rem;line-height:1.5;color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.doc-toc a:hover,.doc-toc a.is-active{
  color:var(--brand);border-left-color:var(--brand);
  background:linear-gradient(90deg,#F2F5FA,rgba(242,245,250,0));
}
.doc-note{
  margin-top:24px;padding:16px;border-radius:12px;background:#EEF3FA;
  font-size:.8125rem;line-height:1.7;color:var(--brand-deep);
}
.rule-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:16px;
  transition:border-color .2s ease,box-shadow .2s ease;
  scroll-margin-top:100px;
}
.rule-panel:hover{border-color:#C7D6EA}
.rule-panel[open]{border-color:#C7D6EA;box-shadow:var(--sh-2)}
.rule-panel summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 26px;font-size:1.0625rem;font-weight:600;color:var(--brand-deep);
}
.rule-panel summary::-webkit-details-marker{display:none}
.ch-no{
  flex:none;width:30px;height:30px;border-radius:8px;background:#EEF3FA;color:var(--brand);
  display:grid;place-items:center;font-size:.8125rem;font-weight:700;font-variant-numeric:tabular-nums;
}
.pm{margin-left:auto;width:22px;height:22px;position:relative;flex:none}
.pm::before,.pm::after{content:"";position:absolute;background:var(--brand-light);border-radius:2px}
.pm::before{left:0;top:10px;width:22px;height:2px}
.pm::after{left:10px;top:0;width:2px;height:22px;transition:transform .25s ease,opacity .25s ease}
.rule-panel[open] .pm::after{transform:rotate(90deg);opacity:0}
.panel-body{padding:20px 26px 26px;border-top:1px solid var(--line);margin:0 26px 0;padding-left:0;padding-right:0}
.panel-body p{font-size:1rem;line-height:1.9;color:var(--text-2);margin-bottom:14px}
.panel-body ul{display:grid;gap:10px;margin-top:4px}
.panel-body li{position:relative;padding-left:20px;font-size:.9375rem;line-height:1.8;color:var(--text-2)}
.panel-body li::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--brand-light);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;color:var(--brand);background:#EEF3FA;border:1px solid #DCE6F3;
}
.tag--gold{color:#8A6A25;background:#FAF4E7;border-color:#EBD9B4}

/* ============ 状态图例（深色） ============ */
.legend-band{
  position:relative;overflow:hidden;border-radius:20px;background:var(--brand-deep);
  color:#fff;padding:48px;
}
.legend-band::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
}
.legend-band > *{position:relative;z-index:1}
.legend-band h2{font-size:clamp(1.4rem,2.6vw,1.85rem);line-height:1.3;font-weight:700}
.legend-band .sub{margin-top:12px;font-size:.9375rem;line-height:1.85;color:rgba(255,255,255,.78);max-width:62ch}
.legend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.legend-item{
  border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:20px;
  background:rgba(255,255,255,.05);transition:background-color .2s ease,border-color .2s ease;
}
.legend-item:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34)}
.legend-item h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}
.legend-item p{margin-top:10px;font-size:.875rem;line-height:1.75;color:rgba(255,255,255,.75)}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex:none}
.dot--wait{background:var(--chip)}
.dot--run{background:var(--brand-light)}
.dot--on{background:var(--green)}
.dot--end{background:var(--gold)}

/* ============ FAQ ============ */
.info-bar{
  display:flex;align-items:flex-start;gap:12px;background:#EEF3FA;border:1px solid #DCE6F3;
  border-radius:14px;padding:18px 22px;margin-bottom:28px;font-size:.9375rem;line-height:1.8;color:var(--brand-deep);
}
.info-bar .bar-icon{
  flex:none;width:20px;height:20px;border-radius:50%;border:2px solid var(--brand-light);
  margin-top:2px;position:relative;
}
.info-bar .bar-icon::after{content:"";position:absolute;left:7px;top:3px;width:2px;height:9px;background:var(--brand-light);border-radius:2px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.faq-card:hover{transform:translateY(-2px);border-color:#C7D6EA;box-shadow:var(--sh-2)}
.faq-card h3{
  display:flex;gap:10px;font-size:1.0625rem;font-weight:600;color:var(--brand-deep);line-height:1.6;
}
.faq-card h3 em{font-style:normal;color:var(--brand-light);font-variant-numeric:tabular-nums}
.faq-card p{margin-top:12px;font-size:.9375rem;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;color:#fff;
  background:linear-gradient(135deg,#142C52 0%,#1D3F73 100%);
  padding:52px;display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,111,181,.5),rgba(59,111,181,0) 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.3;font-weight:700}
.cta-band p{margin-top:12px;font-size:.9375rem;line-height:1.85;color:rgba(255,255,255,.78);max-width:58ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:#F6F7F9;border-top:1px solid var(--line);padding-top:64px;margin-top:88px}
.footer-grid{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand p{margin-top:16px;font-size:.9375rem;line-height:1.8;color:var(--text-2);max-width:42ch}
.footer-rule{height:1px;background:var(--line);margin:20px 0}
.footer-col h4{font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.9375rem;color:var(--text-2)}
.footer-col a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line)}
.footer-bottom-inner{
  max-width:1200px;margin:0 auto;padding:20px 24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:92px 28px 28px;background:#fff;
    box-shadow:-16px 0 40px rgba(16,26,45,.14);
    transform:translateX(102%);transition:transform .28s ease;z-index:120;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:1rem}
  .nav-links a::after{display:none}
  .nav-side{display:none}
  .burger{display:flex;z-index:130;position:relative}
  .head-grid{grid-template-columns:1fr;gap:34px}
  .doc-grid{grid-template-columns:1fr;gap:24px}
  .doc-toc{position:static;padding-bottom:8px;border-bottom:1px solid var(--line)}
  .doc-toc a{display:inline-block;margin:0 8px 8px 0;border-left:none;border-bottom:2px solid var(--line);padding:8px 4px}
  .doc-toc a:hover,.doc-toc a.is-active{border-left:none;border-bottom-color:var(--brand);background:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .legend-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .legend-band{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:70px 0}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .page-head{padding:34px 0 52px}
  .lede{font-size:1rem}
  .stat-strip{grid-template-columns:1fr}
  .legend-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom-inner{flex-direction:column;gap:6px}
  .section{padding:56px 0}
  .rule-panel summary{padding:18px 18px;gap:12px;font-size:1rem}
  .panel-body{margin:0 18px}
  .faq-card{padding:22px 20px}
  .head-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category4 */
:root{
    --brand:#1D3F73; --brand-deep:#142C52; --brand-light:#3B6FB5;
    --accent:#C8102E; --green:#17806B; --gold:#B08A3E;
    --bg:#FFFFFF; --bg-soft:#F6F7F9; --bg-blue:#EEF3FA;
    --line:#E6E9EE; --line-strong:#C7D6EA;
    --ink:#101418; --ink-2:#47505C; --ink-3:#7A8493;
    --radius:16px; --radius-sm:12px; --ctl:10px;
    --shadow:0 1px 2px rgba(16,26,45,.04),0 8px 24px -12px rgba(16,26,45,.12);
    --shadow-hover:0 12px 32px -10px rgba(16,26,45,.18);
    --maxw:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body.site-body{
    margin:0;padding:0;background:var(--bg);color:var(--ink);
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  .site-body img{max-width:100%;display:block}
  .site-body a{color:inherit;text-decoration:none}
  .site-body button{font:inherit}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

  /* ---------- header / nav ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
    backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid #EDF0F4;transition:box-shadow .22s ease}
  .site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(16,26,45,.35)}
  .nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:28px;transition:height .22s ease}
  .site-header.is-scrolled .nav-inner{height:64px}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.0625rem;
    color:var(--brand-deep);white-space:nowrap;letter-spacing:.01em}
  .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
    display:grid;place-items:center;font-size:1rem;font-weight:700;line-height:1;flex:0 0 auto}
  .nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
  .nav-links a{position:relative;padding:6px 0;font-size:.9375rem;font-weight:500;color:#2A3340;transition:color .18s ease}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .2s ease}
  .nav-links a:hover{color:var(--brand)}
  .nav-links a:hover::after{width:100%}
  .nav-links a.is-active{color:var(--brand);font-weight:600}
  .nav-links a.is-active::after{width:100%}
  .nav-side{display:flex;align-items:center;gap:18px}
  .nav-ghost{font-size:.9375rem;color:var(--ink-2);transition:color .18s ease}
  .nav-ghost:hover{color:var(--brand)}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--ctl);padding:11px 20px;font-size:.9375rem;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap}
  .btn-accent{background:var(--accent);color:#fff}
  .btn-accent:hover{background:#b50e29;transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(200,16,46,.65)}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:#244c88;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
  .btn-ghost:hover{border-color:var(--brand);background:#F2F5FA}
  .btn-light{background:#fff;color:var(--brand-deep)}
  .btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(0,0,0,.5)}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--brand-light);outline-offset:2px;border-radius:6px}
  .burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
    background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:0 11px}
  .burger span{display:block;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  body.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .burger span:nth-child(2){opacity:0}
  body.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-backdrop{position:fixed;inset:0;background:rgba(16,26,45,.35);opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;z-index:65}
  body.nav-open .nav-backdrop{opacity:1;visibility:visible}

  /* ---------- page hero ---------- */
  .page-hero{position:relative;background:var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
  .page-hero::before{content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;
    opacity:.16}
  .page-hero-inner{position:relative;padding:56px 0 62px;display:grid;gap:36px;align-items:center}
  .crumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:#C9D2DE}
  .eyebrow{font-size:.75rem;letter-spacing:.16em;color:var(--brand-light);font-weight:600;margin:0 0 14px}
  h1.page-title{font-size:clamp(2rem,5vw,3.125rem);line-height:1.15;font-weight:700;margin:0 0 18px;letter-spacing:-.01em}
  .lede{font-size:1.0625rem;color:var(--ink-2);max-width:44em;margin:0 0 26px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--brand);
    background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-repeat:no-repeat;
    background-position:0 100%;transition:background-size .22s ease;padding-bottom:2px}
  .text-link:hover{background-size:100% 1px}
  .hero-visual{position:relative}
  .hero-shot{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
  .hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .shot-badge{position:absolute;left:18px;bottom:18px;background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;font-size:.8125rem;font-weight:600;color:var(--brand);
    box-shadow:var(--shadow);display:flex;align-items:center;gap:8px}
  .dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}

  /* ---------- sections ---------- */
  .section{padding:64px 0}
  .section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{max-width:46em;margin-bottom:38px}
  .section-head h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;margin:0 0 14px}
  .section-head p{color:var(--ink-2);margin:0}
  .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
  .head-row .section-head{margin-bottom:0}
  .count-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
    border-radius:999px;padding:8px 18px;font-size:.875rem;font-weight:600;color:var(--brand);box-shadow:var(--shadow)}

  /* ---------- cards ---------- */
  .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
  .card-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .card-media:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
  .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EEF1F5}
  .card-body{padding:22px 24px 26px}
  .card-body h3{font-size:1.25rem;font-weight:600;margin:0 0 10px;line-height:1.4}
  .card-body p{margin:0 0 14px;color:var(--ink-2);font-size:.9375rem}
  .tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 13px;font-size:.75rem;font-weight:600;
    letter-spacing:.02em;border:1px solid var(--line);background:#fff;color:var(--ink-2)}
  .tag-brand{color:var(--brand);border-color:#CFDDEE;background:#F2F7FD}
  .tag-gold{color:var(--gold);border-color:#E3D5B4;background:#FBF7EF}
  .tag-green{color:var(--green);border-color:#C4E0D8;background:#F1F9F6}
  .tag-red{color:var(--accent);border-color:#F0C7CE;background:#FDF3F5}

  /* ---------- ladder + progress ---------- */
  .ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;overflow-x:auto;padding-bottom:6px}
  .ladder-step{position:relative;padding:38px 0 0;min-width:118px}
  .ladder-step::before{content:"";position:absolute;top:11px;left:0;right:0;height:2px;background:var(--line)}
  .ladder-step:first-child::before{left:12px}
  .ladder-step:last-child::before{right:calc(100% - 12px)}
  .ladder-step.is-done::before,.ladder-step.is-doing::before{background:var(--green)}
  .ladder-dot{position:absolute;top:0;left:0;width:24px;height:24px;border-radius:50%;background:#fff;
    border:2px solid #C9D2DE;display:grid;place-items:center;font-size:.75rem;font-weight:700;color:var(--ink-3)}
  .ladder-step.is-done .ladder-dot{background:var(--green);border-color:var(--green);color:#fff}
  .ladder-step.is-doing .ladder-dot{border-color:var(--accent);color:var(--accent)}
  .ladder-name{display:block;font-size:.9375rem;font-weight:600;margin-bottom:4px}
  .ladder-note{display:block;font-size:.8125rem;color:var(--ink-3)}
  .ladder-step.is-done .ladder-note{color:var(--green)}
  .ladder-step.is-doing .ladder-note{color:var(--accent);font-weight:600}

  .progress-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 30px}
  .progress-top{display:flex;justify-content:space-between;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:18px}
  .progress-top strong{font-size:1.75rem;font-weight:700;color:var(--brand-deep)}
  .bar{position:relative;height:8px;border-radius:4px;background:#E8EDF4;overflow:visible}
  .bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--brand-light))}
  .bar-dot{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;background:var(--accent);
    border:2px solid #fff;transform:translate(-50%,-50%);box-shadow:0 2px 6px rgba(200,16,46,.4)}
  .bar-legend{display:flex;justify-content:space-between;gap:12px;margin-top:12px;font-size:.8125rem;color:var(--ink-3);flex-wrap:wrap}
  .stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
    border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:22px}
  .stat{background:#fff;padding:20px 22px}
  .stat dt{font-size:.8125rem;color:var(--ink-3);margin:0 0 6px}
  .stat dd{margin:0;font-size:1.5rem;font-weight:700;color:var(--brand-deep);line-height:1.2}

  /* ---------- tasks ---------- */
  .task-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
  .task-row{display:grid;grid-template-columns:26px minmax(0,1.5fr) minmax(0,1.2fr) auto auto;gap:20px;align-items:center;
    padding:20px 26px;border-bottom:1px solid var(--line);transition:background .18s ease}
  .task-row:last-child{border-bottom:0}
  .task-row:hover{background:#FAFBFD}
  .task-dot{width:14px;height:14px;border-radius:50%;border:2px solid #C9D2DE;background:#fff;justify-self:start}
  .task-dot.done{background:var(--green);border-color:var(--green)}
  .task-dot.doing{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,16,46,.1)}
  .task-name{font-weight:600;font-size:1rem;margin:0 0 4px}
  .task-desc{font-size:.875rem;color:var(--ink-3);margin:0}
  .task-meta{font-size:.875rem;color:var(--ink-2)}
  .state-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 14px;font-size:.75rem;font-weight:600;white-space:nowrap}
  .state-done{background:#F1F9F6;color:var(--green);border:1px solid #C4E0D8}
  .state-doing{background:#FDF3F5;color:var(--accent);border:1px solid #F0C7CE}
  .state-todo{background:#F4F6F9;color:var(--ink-3);border:1px solid var(--line)}

  /* ---------- dark panel ---------- */
  .dark-panel{position:relative;background:var(--brand-deep);color:#EAF0F8;border-radius:18px;overflow:hidden;
    padding:44px 40px;box-shadow:0 24px 48px -30px rgba(16,26,45,.8)}
  .dark-panel::before{content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;
    opacity:.14;mix-blend-mode:screen}
  .dark-panel > *{position:relative}
  .dark-panel h2{font-size:clamp(1.375rem,2.4vw,1.75rem);font-weight:700;margin:0 0 14px;color:#fff}
  .dark-panel p{color:#C6D4E6;margin:0 0 22px;max-width:52em}
  .dark-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
  .dark-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:#D7E2F0}
  .dark-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto}
  .dark-figures{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px;
    border-top:1px solid rgba(255,255,255,.16);padding-top:24px}
  .dark-figures div span{display:block;font-size:.8125rem;color:#9FB3CC;margin-bottom:6px}
  .dark-figures div strong{font-size:1.375rem;color:#fff;font-weight:700}

  /* ---------- claim form ---------- */
  .claim{display:grid;gap:32px;align-items:start}
  .claim-card{background:var(--bg-blue);border:1px solid #D8E3F2;border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow)}
  .claim-card h3{font-size:1.25rem;font-weight:600;margin:0 0 8px}
  .claim-card > p{margin:0 0 22px;color:var(--ink-2);font-size:.9375rem}
  .field{margin-bottom:18px}
  .field label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:8px;color:var(--ink-2)}
  .field input,.field textarea{width:100%;height:44px;border:1px solid #D8DEE7;border-radius:var(--radius-sm);
    padding:0 14px;font-size:.9375rem;background:#fff;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
  .field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(59,111,181,.18)}
  .field small{display:block;margin-top:7px;font-size:.8125rem;color:var(--ink-3)}
  .form-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
  .check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
  .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:var(--ink-2)}
  .check-list svg{flex:0 0 auto;margin-top:4px}

  /* ---------- faq ---------- */
  .faq-grid{display:grid;gap:18px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
    transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;
    gap:16px;padding:20px 24px;font-weight:600;font-size:1rem;line-height:1.6}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";font-size:1.375rem;line-height:1;color:var(--brand);
    transition:transform .2s ease;flex:0 0 auto}
  .faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--shadow-hover)}
  .faq-item[open] summary::after{transform:rotate(45deg)}
  .faq-answer{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:2px;padding-top:16px;
    color:var(--ink-2);font-size:.9375rem}
  .notice{display:flex;gap:14px;align-items:flex-start;background:var(--bg-blue);border:1px solid #D8E3F2;
    border-radius:var(--radius);padding:18px 22px;color:var(--ink-2);font-size:.9375rem;margin-top:26px}
  .notice svg{flex:0 0 auto;margin-top:3px}

  /* ---------- cta band ---------- */
  .cta-band{background:var(--brand-deep);position:relative;overflow:hidden}
  .cta-band::before{content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.13}
  .cta-inner{position:relative;padding:64px 0;display:flex;gap:28px;justify-content:space-between;align-items:center;flex-wrap:wrap}
  .cta-inner h2{color:#fff;font-size:clamp(1.375rem,2.6vw,1.875rem);font-weight:700;margin:0 0 10px}
  .cta-inner p{color:#C6D4E6;margin:0;max-width:44em}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

  /* ---------- footer ---------- */
  .site-footer{background:#F6F7F9;border-top:1px solid var(--line);padding:64px 0 0;color:var(--ink-2)}
  .footer-grid{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;gap:36px;
    grid-template-columns:1fr;padding-bottom:48px}
  .footer-brand p{font-size:.9375rem;color:var(--ink-2);margin:16px 0;max-width:32em}
  .footer-rule{height:1px;background:var(--line);margin:18px 0}
  .footer-col h4{font-size:.8125rem;font-weight:600;color:var(--brand);margin:0 0 16px;letter-spacing:.04em}
  .footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
  .footer-col a{font-size:.9375rem;color:var(--ink-2);transition:color .18s ease;
    background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-repeat:no-repeat;
    background-position:0 100%;padding-bottom:2px;transition:background-size .2s ease,color .2s ease}
  .footer-col a:hover{color:var(--brand);background-size:100% 1px}
  .footer-bottom{border-top:1px solid var(--line)}
  .footer-bottom-inner{max-width:var(--maxw);margin:0 auto;padding:20px 24px;display:flex;justify-content:space-between;
    gap:14px;flex-wrap:wrap;font-size:.8125rem;color:var(--ink-3)}

  /* ---------- responsive ---------- */
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
    .faq-grid{grid-template-columns:1fr 1fr}
    .claim{grid-template-columns:1.1fr 1fr}
  }
  @media (min-width:1024px){
    .page-hero-inner{grid-template-columns:1.35fr 1fr;padding:76px 0 84px}
    .section{padding:96px 0}
    .cta-inner{padding:84px 0}
  }
  @media (max-width:1023px){
    .nav-links{position:fixed;top:0;right:0;height:100vh;width:290px;background:#fff;z-index:70;
      flex-direction:column;align-items:stretch;gap:0;padding:96px 24px 32px;margin-left:0;
      transform:translateX(101%);transition:transform .26s ease;box-shadow:-18px 0 40px -24px rgba(16,26,45,.5);
      overflow-y:auto}
    body.nav-open .nav-links{transform:translateX(0)}
    .nav-links a{width:100%;padding:15px 0;border-bottom:1px solid var(--line);font-size:1rem}
    .nav-links a::after{display:none}
    .nav-side{display:none}
    .burger{display:flex;margin-left:auto}
    .nav-inner{gap:16px}
  }
  @media (max-width:767px){
    .container,.nav-inner,.footer-grid,.footer-bottom-inner{padding-left:20px;padding-right:20px}
    .page-hero-inner{padding:44px 0 52px}
    .section{padding:56px 0}
    .task-row{grid-template-columns:24px minmax(0,1fr);gap:12px 16px;padding:18px 20px}
    .task-row .task-meta,.task-row .task-state,.task-row .task-link{grid-column:2}
    .stats-strip{grid-template-columns:1fr}
    .dark-figures{grid-template-columns:1fr;gap:14px}
    .dark-panel{padding:32px 24px}
    .progress-panel{padding:22px 20px}
    .claim-card{padding:24px 20px}
    .cta-inner{padding:56px 0}
  }

/* roulang page: category5 */
:root{
    --milan:#1D3F73;
    --milan-deep:#142C52;
    --milan-light:#3B6FB5;
    --red:#C8102E;
    --green:#17806B;
    --gold:#B08A3E;
    --bg:#FFFFFF;
    --bg-alt:#F6F7F9;
    --tip:#EEF3FA;
    --line:#E6E9EE;
    --line-soft:#EDF0F4;
    --line-hover:#C7D6EA;
    --ink:#101418;
    --ink-2:#47505C;
    --ink-3:#7A8493;
    --r-card:16px;
    --r-kv:18px;
    --r-btn:10px;
    --r-field:12px;
    --sh-card:0 1px 2px rgba(16,26,45,.04), 0 8px 24px -12px rgba(16,26,45,.12);
    --sh-hover:0 12px 32px -10px rgba(16,26,45,.18);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;background:none;border:0;color:inherit;}
  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 var(--milan-light);outline-offset:2px;}

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

  /* ---------- Header / Nav ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line-soft);transition:box-shadow .2s ease;}
  .site-header.is-scrolled{box-shadow:0 8px 22px -16px rgba(16,26,45,.45);}
  .nav-inner{position:relative;max-width:var(--container);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:30px;transition:height .2s ease;}
  .site-header.is-scrolled .nav-inner{height:64px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.0625rem;color:var(--ink);letter-spacing:.01em;}
  .brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:var(--milan);color:#fff;font-size:.9375rem;font-weight:700;flex:0 0 32px;}
  .nav-links{display:flex;align-items:center;gap:30px;margin-left:6px;}
  .nav-links a{position:relative;font-size:.9375rem;font-weight:500;color:#2A3340;padding:6px 0;transition:color .18s ease;}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--milan);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
  .nav-links a:hover{color:var(--milan);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.is-active{color:var(--milan);font-weight:600;}
  .nav-links a.is-active::after{transform:scaleX(1);}
  .nav-side{margin-left:auto;display:flex;align-items:center;gap:20px;}
  .nav-ghost{font-size:.9375rem;font-weight:500;color:var(--ink-2);transition:color .18s ease;}
  .nav-ghost:hover{color:var(--milan);text-decoration:underline;text-underline-offset:4px;}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--r-btn);font-size:.9375rem;font-weight:600;border:1px solid transparent;transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;}
  .btn-accent{background:var(--red);color:#fff;}
  .btn-accent:hover{background:#D81B3A;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(200,16,46,.75);}
  .btn-primary{background:var(--milan);color:#fff;}
  .btn-primary:hover{background:#26508F;transform:translateY(-1px);box-shadow:var(--sh-hover);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--milan);}
  .btn-ghost:hover{border-color:var(--milan);background:#F2F5FA;}
  .btn:active{transform:translateY(0);}
  .btn-lg{height:48px;padding:0 26px;font-size:1rem;}

  .burger{display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;transition:border-color .2s ease,background .2s ease;}
  .burger:hover{border-color:var(--line-hover);background:#F7F9FC;}
  .burger span{display:block;width:17px;height:2px;background:#2A3340;border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
  .burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger.is-open span:nth-child(2){opacity:0;}
  .burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* ---------- Hero ---------- */
  .page-hero{
    background-image:linear-gradient(88deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.88) 52%, rgba(238,243,250,.86) 100%), url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
    padding:56px 0 68px;
  }
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3);margin-bottom:22px;}
  .crumb a{color:var(--ink-3);}
  .crumb a:hover{color:var(--milan);text-decoration:underline;text-underline-offset:4px;}
  .crumb .sep{color:#C4CCD8;}
  .hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;}
  .eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.16em;color:var(--milan-light);}
  h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin-top:14px;}
  .hero-lead{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:620px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.8125rem;color:var(--ink-2);}
  .chip .dot{width:7px;height:7px;border-radius:999px;background:var(--milan-light);}
  .chip.chip-green .dot{background:var(--green);}
  .chip.chip-red .dot{background:var(--red);}
  .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;}
  .text-link{position:relative;font-size:.9375rem;font-weight:600;color:var(--milan);padding-bottom:3px;background-image:linear-gradient(var(--milan),var(--milan));background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .24s ease;}
  .text-link:hover{background-size:100% 2px;}

  .hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-kv);box-shadow:var(--sh-card);overflow:hidden;}
  .hero-card-media{position:relative;aspect-ratio:4/3;background:#F1F4F8;overflow:hidden;}
  .hero-card-media img{width:100%;height:100%;object-fit:cover;}
  .hero-card-badge{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.94);font-size:.75rem;font-weight:600;color:var(--milan);box-shadow:0 4px 14px -8px rgba(16,26,45,.5);}
  .hero-card-badge i{width:7px;height:7px;border-radius:999px;background:var(--green);display:inline-block;}
  .hero-card-body{padding:20px 22px 22px;}
  .hero-card-body h3{font-size:1.0625rem;font-weight:600;}
  .hero-card-body p{margin-top:8px;font-size:.875rem;color:var(--ink-3);line-height:1.8;}

  /* ---------- Sections ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-alt);}
  .section-tight{padding:24px 0 0;}
  .sec-head{max-width:720px;margin-bottom:40px;}
  .sec-head h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.3;font-weight:700;margin-top:12px;}
  .sec-head p{margin-top:14px;color:var(--ink-2);font-size:1rem;}
  .divider{height:1px;background:var(--line);}

  /* ---------- Tip bar ---------- */
  .tip-bar{display:flex;gap:16px;align-items:flex-start;background:var(--tip);border:1px solid #D9E4F3;border-radius:14px;padding:20px 22px;}
  .tip-icon{flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:#fff;border:1px solid #D9E4F3;display:flex;align-items:center;justify-content:center;color:var(--milan);font-weight:700;font-size:1rem;}
  .tip-bar p{font-size:.9375rem;color:#2A3340;line-height:1.8;}
  .tip-bar strong{color:var(--milan);font-weight:600;}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start;}
  .faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--milan);transform:scaleY(0);transform-origin:top;transition:transform .26s ease;}
  .faq-item:hover{border-color:var(--line-hover);box-shadow:var(--sh-hover);transform:translateY(-2px);}
  .faq-item.is-open{border-color:var(--line-hover);}
  .faq-item.is-open::before{transform:scaleY(1);}
  .faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:22px 24px;text-align:left;font-size:1rem;font-weight:600;color:var(--ink);min-height:44px;line-height:1.6;}
  .faq-q:hover{color:var(--milan);}
  .faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;margin-top:3px;transition:transform .26s ease;}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--milan);border-radius:2px;}
  .faq-icon::before{left:9px;top:2px;width:2px;height:16px;}
  .faq-icon::after{top:9px;left:2px;width:16px;height:2px;}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
  .faq-a-inner{padding:16px 24px 22px;border-top:1px solid var(--line);font-size:.9375rem;line-height:1.85;color:var(--ink-2);}
  .faq-item.is-open .faq-a{max-height:560px;}

  /* ---------- Entry strip ---------- */
  .entry-strip{display:flex;flex-wrap:wrap;gap:12px;}
  .entry-link{display:inline-flex;align-items:center;gap:10px;padding:13px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:.9375rem;font-weight:500;color:#2A3340;transition:border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;}
  .entry-link span.arw{color:var(--milan-light);font-weight:700;transition:transform .2s ease;}
  .entry-link:hover{border-color:var(--milan);color:var(--milan);transform:translateY(-1px);box-shadow:var(--sh-card);}
  .entry-link:hover span.arw{transform:translateX(3px);}

  /* ---------- Contact ---------- */
  .contact-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;background:var(--tip);border:1px solid #D9E4F3;border-radius:var(--r-kv);padding:44px;}
  .contact-wrap h2{font-size:clamp(1.4rem,2.6vw,1.75rem);line-height:1.35;font-weight:700;margin-top:12px;}
  .contact-wrap > div > p{margin-top:14px;color:var(--ink-2);font-size:.9375rem;line-height:1.85;}
  .contact-list{margin-top:28px;border-top:1px solid #D9E4F3;}
  .contact-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid #D9E4F3;font-size:.875rem;}
  .contact-list li span{color:var(--ink-3);}
  .contact-list li strong{font-weight:600;color:#2A3340;text-align:right;}

  .contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-card);}
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:.8125rem;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
  .field input,.field select,.field textarea{width:100%;height:44px;border:1px solid #D8DEE7;border-radius:var(--r-field);background:#fff;padding:0 14px;font-size:.9375rem;color:var(--ink);transition:border-color .18s ease, box-shadow .18s ease;}
  .field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--milan-light);box-shadow:0 0 0 3px rgba(59,111,181,.18);}
  .field .err{display:none;margin-top:7px;font-size:.8125rem;color:var(--red);}
  .field.has-error input,.field.has-error textarea{border-color:var(--red);}
  .field.has-error .err{display:block;}
  .form-foot{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-wrap:wrap;}
  .form-note{font-size:.8125rem;color:var(--green);min-height:20px;}

  /* ---------- Deep CTA band ---------- */
  .cta-band{background:var(--milan-deep);color:#fff;border-radius:var(--r-kv);padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
  .cta-band h2{font-size:clamp(1.35rem,2.4vw,1.65rem);font-weight:700;line-height:1.4;}
  .cta-band p{margin-top:10px;font-size:.9375rem;color:#C9D6EA;max-width:560px;line-height:1.85;}

  /* ---------- Footer ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
  .footer-grid{max-width:var(--container);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand p{font-size:.9375rem;color:var(--ink-2);margin-top:16px;line-height:1.85;max-width:360px;}
  .footer-rule{height:1px;background:var(--line);margin:18px 0;}
  .footer-col h4{font-size:.8125rem;font-weight:600;color:var(--milan);letter-spacing:.04em;margin-bottom:16px;}
  .footer-col ul{display:grid;gap:12px;}
  .footer-col a{font-size:.9375rem;color:var(--ink-2);transition:color .18s ease;}
  .footer-col a:hover{color:var(--milan);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{border-top:1px solid var(--line);margin-top:48px;}
  .footer-bottom-inner{max-width:var(--container);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.8125rem;color:var(--ink-3);}

  /* ---------- Responsive ---------- */
  @media (max-width:1023px){
    .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 24px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -24px rgba(16,26,45,.5);}
    .nav-links.is-open{display:flex;}
    .nav-links a{padding:14px 0;border-bottom:1px solid var(--line-soft);min-height:44px;display:flex;align-items:center;}
    .nav-links a::after{display:none;}
    .nav-links a.is-active{color:var(--milan);}
    .nav-links a.is-active::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--milan);margin-right:8px;}
    .nav-side .nav-ghost{display:none;}
    .nav-side{margin-left:auto;gap:0;}
    .burger{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .page-hero{padding:44px 0 52px;}
    .faq-grid{grid-template-columns:1fr;}
    .contact-wrap{grid-template-columns:1fr;gap:32px;padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767px){
    .section{padding:64px 0;}
    .section-tight{padding:20px 0 0;}
    .container{padding:0 20px;}
    .nav-inner{padding:0 20px;height:64px;}
    .site-header.is-scrolled .nav-inner{height:60px;}
    .nav-links{padding:8px 20px 16px;}
    .nav-side .btn{height:38px;padding:0 14px;font-size:.875rem;}
    .faq-q{padding:18px 20px;font-size:.9375rem;}
    .faq-a-inner{padding:14px 20px 20px;}
    .cta-band{padding:32px 26px;}
    .contact-form{padding:22px;}
    .footer-grid{padding:0 20px;grid-template-columns:1fr;gap:28px;}
    .footer-bottom-inner{padding:20px;}
  }
  @media (max-width:519px){
    h1{font-size:1.85rem;}
    .hero-chips{gap:8px;}
    .chip{height:32px;padding:0 12px;}
    .hero-card-body{padding:18px;}
    .tip-bar{padding:16px;}
    .form-foot{justify-content:stretch;}
    .form-foot .btn{width:100%;}
  }