/* roulang page: index */
:root{
  --c-primary:#10639B;
  --c-primary-d:#0C4E7C;
  --c-primary-t:#E8F1F8;
  --c-primary-l:#C8DEEF;
  --c-accent:#F0B429;
  --c-teal:#2E9E8F;
  --c-text:#16212B;
  --c-sub:#5A6B7B;
  --c-mute:#8A98A6;
  --c-border:#E3EAF1;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 2px 8px rgba(16,99,155,.06);
  --shadow-md:0 10px 28px rgba(16,99,155,.10);
  --sp-section:92px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease-out}
a:hover{color:var(--c-primary-d)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--c-text)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px;line-height:1.4}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.grid-container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
@media (min-width:1440px){.grid-container{max-width:1240px}}
.section{padding:var(--sp-section) 0}
.section-alt{background:#fff}
.num{font-variant-numeric:tabular-nums}

/* ============ Header ============ */
.site-header{position:relative;z-index:60}
.topbar{background:#fff;border-bottom:1px solid var(--c-border)}
.topbar-inner{
  height:64px;display:flex;align-items:center;gap:18px;
  transition:height .22s ease-out;
}
.site-header.is-scrolled .topbar{box-shadow:var(--shadow-sm)}
.site-header.is-scrolled .topbar-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-text)}
.brand:hover{color:var(--c-primary)}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--c-primary);position:relative;flex:0 0 auto}
.brand-mark::before{content:"";position:absolute;left:9px;top:9px;width:16px;height:2.5px;background:#fff;border-radius:2px}
.brand-mark::after{content:"";position:absolute;left:9px;top:16px;width:10px;height:2.5px;background:var(--c-accent);border-radius:2px}
.brand-mark span{position:absolute;left:9px;top:22px;width:13px;height:2.5px;background:rgba(255,255,255,.75);border-radius:2px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--c-mute);letter-spacing:1.5px;text-transform:uppercase}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-wrap{display:flex;align-items:center;position:relative}
.search-toggle{
  width:38px;height:38px;border-radius:var(--r-pill);border:1px solid var(--c-border);
  background:#fff;color:var(--c-primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background .22s ease-out,border-color .22s ease-out;
}
.search-toggle:hover{background:var(--c-primary-t);border-color:var(--c-primary-l)}
.search-box{
  width:0;opacity:0;overflow:hidden;transition:width .25s ease-out,opacity .2s ease-out;
}
.search-wrap.is-open .search-box{width:240px;opacity:1}
.search-box input{
  width:240px;height:38px;border-radius:var(--r-pill);border:1px solid var(--c-border);
  padding:0 16px;font-size:14px;font-family:var(--font);color:var(--c-text);background:#fff;
}
.search-box input::placeholder{color:var(--c-mute)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;font-family:var(--font);cursor:pointer;
  transition:transform .22s ease-out,background .22s ease-out,box-shadow .22s ease-out,color .22s ease-out,border-color .22s ease-out;
  text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-t);color:var(--c-primary-d);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary)}
.link-arrow span{transition:transform .22s ease-out}
.link-arrow:hover span{transform:translateX(4px)}
.menu-btn{
  display:none;width:38px;height:38px;border-radius:var(--r-pill);border:1px solid var(--c-border);
  background:#fff;color:var(--c-primary);cursor:pointer;align-items:center;justify-content:center;
}
/* channel tabs */
.nav-tabs{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-primary-l);
  box-shadow:0 1px 0 rgba(16,99,155,.04);
}
.tabs-scroll{
  display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;flex-wrap:nowrap;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab-item{
  scroll-snap-align:start;flex:0 0 auto;height:34px;display:inline-flex;align-items:center;
  padding:0 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-sub);position:relative;
  transition:background .22s ease-out,color .22s ease-out;
}
.tab-item:hover{background:var(--c-primary-t);color:var(--c-primary)}
.tab-item.is-active{background:var(--c-primary-t);color:var(--c-primary);font-weight:500}
@media (min-width:992px){
  .tab-item.is-active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:-8px;height:2px;background:var(--c-primary);border-radius:2px;
  }
}
.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--c-border);padding:12px 0 18px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:10px 0;font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-border)}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel .btn{width:100%;margin-top:12px}

/* ============ Hero ============ */
.hero{padding:64px 0 76px;background:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;background:var(--c-primary-t);opacity:.55;z-index:0}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:center;position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:500;margin-bottom:18px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero h1{margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--c-sub);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-sub)}
.trust-row li::before{content:"";width:8px;height:8px;background:var(--c-accent);border-radius:2px;flex:0 0 auto}
.hero-media{position:relative;padding-bottom:36px}
.hero-shot{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;background:var(--c-primary-t)}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-mini{
  position:absolute;right:0;bottom:0;width:52%;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:12px;box-shadow:var(--shadow-md);display:flex;gap:12px;align-items:center;
}
.hero-mini img{width:72px;height:54px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.hero-mini b{display:block;font-size:13px;font-weight:600;line-height:1.5}
.hero-mini span{display:block;font-size:12px;color:var(--c-mute);line-height:1.5}

/* ============ Section head ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-kicker{
  display:inline-block;font-size:13px;letter-spacing:1px;color:var(--c-primary);
  padding-left:12px;border-left:3px solid var(--c-accent);margin-bottom:12px;
}
.sec-head h2{max-width:720px}
.sec-sub{color:var(--c-sub);font-size:15px;margin-top:12px;max-width:640px}

/* ============ Pain ============ */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pain-item{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-border);border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.pain-item:nth-child(even){margin-top:24px}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.pain-no{
  width:44px;height:44px;border-radius:10px;background:var(--c-primary-t);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.pain-item h3{font-size:18px;margin-bottom:8px}
.pain-item p{font-size:15px;color:var(--c-sub);margin:0}

/* ============ Steps ============ */
.steps-layout{display:grid;grid-template-columns:3fr 9fr;gap:24px;align-items:start}
.steps-aside{position:sticky;top:132px}
.steps-aside h2{margin-bottom:14px}
.steps-aside p{font-size:15px;color:var(--c-sub)}
.steps-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps-track::before{
  content:"";position:absolute;left:16px;right:16px;top:15px;height:2px;background:var(--c-primary-l);
}
.step{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-sm)}
.step-dot{
  position:absolute;top:-2px;left:22px;width:32px;height:32px;border-radius:50%;background:var(--c-accent);
  color:#16212B;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  border:3px solid #fff;box-shadow:0 0 0 1px var(--c-primary-l);
}
.step h3{font-size:18px;margin:26px 0 10px}
.step p{font-size:14px;color:var(--c-sub);margin:0}

/* ============ Stats ============ */
.stats{background:var(--c-primary-t)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:left}
.stat-item h3{font-size:clamp(36px,4vw,52px);color:var(--c-primary-d);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-item h3 em{font-style:normal;font-size:.5em;margin-left:2px}
.stat-item p{font-size:14px;color:var(--c-sub);margin:8px 0 0}
.stat-line{width:34px;height:3px;background:var(--c-accent);border-radius:2px;margin-top:12px}

/* ============ CMS list ============ */
.cms-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.cms-lead{
  display:grid;grid-template-columns:5fr 7fr;gap:0;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:24px;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.cms-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-l)}
.cms-lead .thumb{aspect-ratio:16/9;height:100%;background:var(--c-primary-t)}
.cms-lead .thumb img{width:100%;height:100%;object-fit:cover}
.cms-lead .body{padding:28px}
.cms-lead h3{font-size:22px;margin:14px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-lead p{font-size:15px;color:var(--c-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.cms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cms-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-l)}
.cms-card .thumb{aspect-ratio:16/9;background:var(--c-primary-t)}
.cms-card .thumb img{width:100%;height:100%;object-fit:cover}
.cms-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.cms-card h3{font-size:18px;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card p{font-size:14px;color:var(--c-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.meta-row{
  margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-mute);flex-wrap:wrap;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-accent);display:inline-block}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:500;
}
.badge-teal{background:rgba(46,158,143,.12);color:#1F6E63}
.cms-empty{
  height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--c-primary-l);border-radius:var(--r-card);color:var(--c-mute);font-size:14px;
}
.cms-empty .shape{width:56px;height:40px;border:2px solid var(--c-primary-l);border-radius:8px;position:relative}
.cms-empty .shape::after{content:"";position:absolute;left:10px;top:14px;width:32px;height:2px;background:var(--c-primary-l);box-shadow:0 7px 0 var(--c-primary-l)}

/* ============ Testimonials ============ */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.quote-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--shadow-sm);position:relative;display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote-mark{font-size:44px;line-height:1;color:var(--c-primary-l);font-weight:700;margin-bottom:10px}
.quote-card p{font-size:15px;color:var(--c-sub);margin-bottom:20px}
.quote-who{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text)}
.quote-who i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block}
.quote-who span{color:var(--c-mute);font-size:13px}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 24px;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:9px;height:9px;border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(45deg);transition:transform .22s ease-out;flex:0 0 auto;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item .ans{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-sub)}

/* ============ CTA ============ */
.cta-band{background:var(--c-primary-t);border-radius:14px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:var(--c-sub);font-size:15px;max-width:560px;margin:0}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ Footer ============ */
.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:32px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--c-sub);max-width:320px}
.footer-contact{margin-top:16px;font-size:14px;color:var(--c-sub);line-height:2}
.footer-contact b{color:var(--c-text);font-weight:500}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--c-sub)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  border-top:1px solid var(--c-border);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--c-mute);
}
.footer-bottom a{color:var(--c-mute)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media (max-width:1200px){
  :root{--sp-section:80px}
  .steps-layout{grid-template-columns:1fr;gap:28px}
  .steps-aside{position:static}
}
@media (max-width:992px){
  :root{--sp-section:64px}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{padding-bottom:28px}
  .hero-mini{width:64%}
  .pain-grid{grid-template-columns:1fr}
  .pain-item:nth-child(even){margin-top:0}
  .steps-track{grid-template-columns:1fr 1fr}
  .steps-track::before{display:none}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .cms-lead{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .menu-btn{display:inline-flex}
  .tabs-scroll{padding-right:24px}
  .nav-tabs{position:relative;top:auto}
  html{scroll-padding-top:80px}
}
@media (min-width:993px){.mobile-panel{display:none !important}}
@media (max-width:768px){
  :root{--sp-section:52px}
  .grid-container{padding-left:18px;padding-right:18px}
  .cms-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:20px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn{flex:1}
  .sec-head,.cms-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:560px){
  :root{--sp-section:48px}
  .brand-sub{display:none}
  .brand-name{font-size:15px}
  .search-wrap.is-open{position:absolute;left:18px;right:18px;top:58px;background:#fff;padding:8px;border-radius:10px;box-shadow:var(--shadow-md);z-index:70}
  .search-wrap.is-open .search-box,.search-wrap.is-open .search-box input{width:100%}
  .hero-actions .btn{width:100%}
  .hero-mini{position:static;width:100%;margin-top:16px}
  .hero-media{padding-bottom:0}
  .steps-track{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:0 18px}
  .faq-item .ans{padding:0 18px 20px}
}
@media (max-width:400px){
  .hero-badge{font-size:12px}
  .trust-row{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#10639B;
  --c-primary-d:#0C4E7C;
  --c-primary-t:#E8F1F8;
  --c-primary-l:#C8DEEF;
  --c-accent:#F0B429;
  --c-teal:#2E9E8F;
  --c-text:#16212B;
  --c-text-2:#5A6B7B;
  --c-text-3:#8A98A6;
  --c-border:#E3EAF1;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-err:#B3261E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:14px;
  --shadow-sm:0 2px 8px rgba(16,99,155,.06);
  --shadow-md:0 10px 28px rgba(16,99,155,.10);
  --header-h:64px;
  --tab-h:48px;
  --container:1180px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (min-width:1440px){:root{--container:1240px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:136px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease-out,background-color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out,transform .22s ease-out;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text);}
table{border-collapse:collapse;width:100%;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:.2px;}
h2{font-size:clamp(23px,2.5vw,32px);line-height:1.3;font-weight:650;}
h3{font-size:clamp(18px,1.8vw,22px);line-height:1.4;font-weight:600;}
p{font-size:16px;line-height:1.8;color:var(--c-text-2);}
p+p{margin-top:1.2em;}
strong{color:var(--c-text);font-weight:600;}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (max-width:768px){.grid-container{padding-left:18px;padding-right:18px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out,transform .22s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-t);color:var(--c-primary-d);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(16,99,155,.14);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary);}
.link-arrow svg{transition:transform .22s ease-out;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;gap:18px;
  transition:height .22s ease-out;
}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--c-text);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 30px;
  position:relative;overflow:hidden;
}
.brand-mark span{
  width:12px;height:12px;border-right:2.5px solid #fff;border-top:2.5px solid #fff;
  transform:rotate(45deg);display:block;margin-left:-3px;
}
.brand-mark::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:4px;background:var(--c-accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:10.5px;letter-spacing:2.4px;color:var(--c-text-3);font-weight:600;}
.header-spacer{flex:1 1 auto;}
.header-search{display:flex;align-items:center;}
.search-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.search-toggle:hover{border-color:var(--c-primary-l);background:var(--c-primary-t);}
.search-field{
  width:0;overflow:hidden;transition:width .25s ease-out,margin .25s ease-out;
  margin-right:0;
}
.search-field.is-open{width:240px;margin-right:10px;}
.search-field input{
  width:240px;height:40px;border-radius:999px;border:1px solid var(--c-border);
  padding:0 16px;background:var(--c-bg);outline-offset:1px;
}
.search-field input:focus{background:#fff;border-color:var(--c-primary-l);}
.header-cta{margin-left:4px;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);background:#fff;
  align-items:center;justify-content:center;color:var(--c-primary);
}

/* ============ 频道 Tabs ============ */
.nav-tabs{
  position:sticky;top:var(--header-h);z-index:55;background:#fff;
  border-bottom:1px solid var(--c-primary-l);
  transition:top .22s ease-out;
}
.tabs-wrap{position:relative;}
.tabs-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:24px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
}
.tabs-scroll{
  display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab-item{
  flex:0 0 auto;scroll-snap-align:start;
  display:flex;align-items:center;height:var(--tab-h);padding:0 16px;
  border-radius:999px;margin:6px 0;font-size:15px;color:var(--c-text-2);font-weight:500;
  position:relative;white-space:nowrap;
}
.tab-item:hover{background:var(--c-primary-t);color:var(--c-primary);}
.tab-item.is-active{background:var(--c-primary-t);color:var(--c-primary);font-weight:600;}
@media (min-width:992px){
  .tab-item.is-active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:-7px;height:2px;
    background:var(--c-primary);border-radius:2px;
  }
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;background:#fff;border-bottom:1px solid var(--c-border);padding:10px 0 16px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 18px;font-size:15.5px;color:var(--c-text-2);border-radius:10px;
}
.mobile-drawer a.is-active{color:var(--c-primary);background:var(--c-primary-t);font-weight:600;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.5);}
.breadcrumb .current{color:#fff;font-weight:500;}

/* ============ 横幅 ============ */
.page-banner{
  position:relative;min-height:288px;display:flex;align-items:center;
  background-image:linear-gradient(118deg,rgba(12,78,124,.90) 0%,rgba(16,99,155,.70) 58%,rgba(16,99,155,.58) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  padding:56px 0 52px;
}
.banner-inner{max-width:820px;}
.banner-h1{color:#fff;margin:16px 0 14px;text-shadow:0 2px 12px rgba(6,42,68,.28);}
.banner-sub{color:rgba(255,255,255,.9);font-size:17px;line-height:1.75;max-width:660px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.banner-tags span{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:13px;font-weight:500;
}

/* ============ 主布局 ============ */
.main-section{padding:72px 0 88px;background:#fff;}
.brief-layout{display:flex;gap:44px;align-items:flex-start;}

/* 目录 */
.toc{flex:0 0 260px;width:260px;position:sticky;top:136px;}
.toc-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);padding:20px 18px;
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--c-text-3);
  text-transform:uppercase;margin-bottom:12px;padding-left:14px;
}
.toc-list a{
  display:block;padding:9px 12px 9px 14px;font-size:14.5px;color:var(--c-text-2);
  border-left:3px solid transparent;border-radius:0 8px 8px 0;line-height:1.5;
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-primary-t);border-left-color:var(--c-primary-l);}
.toc-list a.is-active{color:var(--c-primary);background:var(--c-primary-t);border-left-color:var(--c-primary);font-weight:600;}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-border);
  font-size:13px;color:var(--c-text-3);line-height:1.7;
}
.toc-note b{color:var(--c-text);font-weight:600;display:block;margin-bottom:4px;font-size:13.5px;}

.brief-body{flex:1 1 auto;min-width:0;max-width:820px;}

/* 章节 */
.article-section{margin-bottom:56px;scroll-margin-top:140px;}
.article-section:last-child{margin-bottom:0;}
.article-section > h2{
  border-left:4px solid var(--c-accent);padding-left:16px;margin-bottom:8px;color:var(--c-text);
}
.section-lead{font-size:15px;color:var(--c-text-3);padding-left:20px;margin-bottom:26px;}
.article-section h3{margin:32px 0 12px;color:var(--c-primary-d);}
.article-section h3:first-of-type{margin-top:22px;}
.article-section p{font-size:16.5px;line-height:1.85;color:#3D4C5A;}
.article-section p + p{margin-top:1.2em;}

/* 图文卡 */
.media-card{
  display:flex;gap:24px;align-items:center;margin:28px 0;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-l);}
.media-card.reverse{flex-direction:row-reverse;}
.media-figure{flex:0 0 44%;max-width:44%;}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);}
.media-body{flex:1 1 auto;min-width:0;}
.media-body h3{margin:0 0 8px;font-size:19px;color:var(--c-text);}
.media-body p{font-size:15px;line-height:1.78;color:var(--c-text-2);margin:0;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:600;
  margin-bottom:10px;
}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7A6E;}

/* 清单 */
.prep-list{display:grid;gap:14px;margin:24px 0 8px;}
.prep-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-bg);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;padding:18px 20px;
}
.prep-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:9px;background:var(--c-accent);
  color:var(--c-text);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.prep-text h3{margin:0 0 6px;font-size:16.5px;color:var(--c-text);}
.prep-text p{font-size:15px;margin:0;color:var(--c-text-2);}

/* 步骤 */
.steps{margin:26px 0 8px;position:relative;padding-left:6px;}
.step{
  position:relative;padding:0 0 26px 42px;border-left:2px solid var(--c-primary-l);
}
.step:last-child{border-left-color:transparent;padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--c-accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--c-primary-l);
}
.step h3{margin:0 0 6px;font-size:17px;color:var(--c-text);}
.step p{margin:0;font-size:15px;color:var(--c-text-2);line-height:1.75;}
.step-idx{
  font-size:12.5px;font-weight:700;color:var(--c-primary);letter-spacing:1.2px;
  display:block;margin-bottom:2px;font-variant-numeric:tabular-nums;
}

/* 引用块 */
.callout{
  background:var(--c-primary-t);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;padding:18px 22px;margin:26px 0;
}
.callout p{margin:0;font-size:15.5px;color:var(--c-primary-d);line-height:1.8;}

/* 小方点列表 */
.tick-list{display:grid;gap:12px;margin:20px 0;}
.tick-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--c-text-2);line-height:1.75;}
.tick-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;background:var(--c-accent);border-radius:2px;margin-top:9px;
}

/* 数据行 */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--c-primary-t);border-radius:var(--r-card);padding:32px 26px;margin:28px 0 0;
}
.stat-item{text-align:left;}
.stat-num{
  font-size:clamp(32px,3.4vw,44px);font-weight:700;color:var(--c-primary-d);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px;}
.stat-bar{width:36px;height:3px;background:var(--c-accent);border-radius:2px;margin:10px 0 10px;}
.stat-desc{font-size:14px;color:var(--c-text-2);line-height:1.6;}

/* FAQ */
.faq-block{margin-top:56px;scroll-margin-top:140px;}
.faq-head{text-align:center;margin-bottom:26px;}
.faq-head h2{border:0;padding:0;}
.faq-head p{font-size:15px;color:var(--c-text-3);margin-top:8px;}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.faq-item:hover{border-color:var(--c-primary-l);box-shadow:var(--shadow-sm);}
.faq-item[open]{border-color:var(--c-primary-l);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 9px;width:9px;height:9px;margin-right:4px;
  border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(45deg);transition:transform .22s ease-out;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* 表单 */
.form-block{background:var(--c-bg);padding:72px 0;}
.form-wrap{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:40px;align-items:start;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:18px;
  box-shadow:var(--shadow-sm);padding:40px;
}
.form-intro h2{margin-bottom:14px;}
.form-intro p{font-size:15.5px;color:var(--c-text-2);}
.form-intro .tick-list{margin-top:22px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--c-text);}
.field label .req{color:var(--c-err);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-border);border-radius:var(--r-btn);
  padding:11px 14px;background:#fff;line-height:1.5;transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,99,155,.10);outline:none;
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-err);}
.err-text{font-size:14px;color:var(--c-err);display:none;}
.field.has-error .err-text{display:block;}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-tip{font-size:13.5px;color:var(--c-text-3);}
.form-success{
  grid-column:1 / -1;display:none;background:var(--c-primary-t);color:var(--c-primary-d);
  border-radius:var(--r-btn);padding:14px 18px;font-size:14.5px;line-height:1.7;
}
.form-success.is-visible{display:block;}

/* CTA 条 */
.cta-band{padding:0 0 88px;}
.cta-card{
  background:var(--c-primary-t);border-radius:var(--r-card);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-card h2{color:var(--c-primary-d);margin-bottom:10px;}
.cta-card p{font-size:15.5px;color:var(--c-text-2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;max-width:340px;}
.footer-contact{margin-top:18px;font-size:14px;color:var(--c-text-2);line-height:2;}
.footer-contact b{color:var(--c-text);font-weight:600;}
.footer-col h3{font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:var(--c-text-2);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--c-border);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--c-text-3);
}
.footer-bottom a{color:var(--c-text-3);text-decoration:underline;}
.footer-bottom a:hover{color:var(--c-primary);}

/* 响应式 */
@media (max-width:1199px){
  .brief-layout{gap:32px;}
  .toc{flex:0 0 236px;width:236px;}
}
@media (max-width:991px){
  .brief-layout{flex-direction:column;gap:24px;}
  .toc{position:static;width:100%;flex:0 0 auto;}
  .toc-list{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;scrollbar-width:none;}
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-list a{border-left:0;border-radius:999px;background:var(--c-bg);white-space:nowrap;padding:8px 14px;}
  .toc-list a.is-active{background:var(--c-primary-t);}
  .brief-body{max-width:100%;}
  .form-wrap{grid-template-columns:1fr;padding:30px;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .media-card,.media-card.reverse{flex-direction:column;}
  .media-figure{max-width:100%;flex:0 0 auto;width:100%;}
  .main-section{padding:56px 0 64px;}
}
@media (max-width:768px){
  .header-cta{display:none;}
  .menu-toggle{display:flex;}
  .search-field.is-open{width:170px;}
  .search-field input{width:170px;}
  .page-banner{min-height:240px;padding:44px 0;}
  .banner-sub{font-size:15.5px;}
  .form-block{padding:52px 0;}
  .form-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr 1fr;padding:24px 20px;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-section{margin-bottom:44px;}
  .cta-band{padding:0 0 64px;}
  .cta-card h2{font-size:22px;}
}
@media (max-width:560px){
  .brand-name{font-size:15.5px;}
  .brand-sub{display:none;}
  .stat-row{grid-template-columns:1fr;}
  .faq-item summary{font-size:15.5px;padding:14px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .prep-item{padding:16px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:400px){
  .banner-tags span{font-size:12px;padding:0 11px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;}}

/* roulang page: article */
:root{
  --c-primary:#10639B;
  --c-primary-d:#0C4E7C;
  --c-primary-t:#E8F1F8;
  --c-primary-l:#C8DEEF;
  --c-accent:#F0B429;
  --c-teal:#2E9E8F;
  --c-text:#16212B;
  --c-text-2:#5A6B7B;
  --c-text-3:#8A98A6;
  --c-border:#E3EAF1;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 2px 8px rgba(16,99,155,.06);
  --shadow-md:0 10px 28px rgba(16,99,155,.10);
  --f-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--f-stack);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-card)}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease-out,background-color .22s ease-out,border-color .22s ease-out}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--c-text);letter-spacing:.2px}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text);border:1px solid var(--c-border);border-radius:var(--r-btn);background:#fff;padding:11px 14px;transition:border-color .2s ease-out,box-shadow .2s ease-out;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,99,155,.14)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.grid-container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1240px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:height .22s ease-out;
}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-text)}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);
  position:relative;display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand-mark::before{
  content:"";width:14px;height:2.5px;background:#fff;border-radius:2px;
  box-shadow:0 -5px 0 0 #fff,0 5px 0 0 #fff;
}
.brand-mark span{
  position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 8px;
  background:var(--c-accent);border-radius:50%;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.4px}
.brand-sub{font-size:10px;letter-spacing:2px;color:var(--c-text-3);font-weight:500}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:0}
.search-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.search-toggle:hover{background:var(--c-primary-t);border-color:var(--c-primary-l)}
.search-toggle svg{width:18px;height:18px}
.search-box input{
  width:0;padding:0;border:none;opacity:0;pointer-events:none;
  transition:width .25s ease-out,opacity .2s ease-out,padding .25s ease-out;
  height:38px;border-radius:var(--r-pill);
}
.search-box.is-open input{
  width:240px;opacity:1;pointer-events:auto;padding:0 16px;border:1px solid var(--c-primary-l);margin-left:8px;
}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--c-border);background:#fff;
  align-items:center;justify-content:center;color:var(--c-primary);
}
.nav-toggle svg{width:18px;height:18px}

.nav-tabs{
  position:sticky;top:64px;z-index:55;
  background:#fff;border-bottom:1px solid var(--c-primary-l);
  transition:top .22s ease-out;
}
.site-header.is-scrolled ~ .nav-tabs{top:56px}
.tabs-scroll{
  display:flex;gap:8px;align-items:center;height:48px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab-item{
  flex:none;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:15px;color:var(--c-text-2);font-weight:400;
  position:relative;transition:background-color .2s ease-out,color .2s ease-out;
}
.tab-item:hover{background:var(--c-primary-t);color:var(--c-primary)}
.tab-item.is-active{background:var(--c-primary-t);color:var(--c-primary);font-weight:500}
@media (min-width:992px){
  .tab-item.is-active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:-8px;height:2px;background:var(--c-primary);border-radius:2px;
  }
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.18);transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-l)}
.btn-ghost:hover{background:var(--c-primary-t);color:var(--c-primary-d);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary)}
.link-arrow i{font-style:normal;transition:transform .2s ease-out}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--c-primary-t);border-bottom:1px solid var(--c-border)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);padding:12px 0}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-primary-l)}
.crumb .now{color:var(--c-text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 标题区 ============ */
.article-head{background:#fff;padding:40px 0 24px;border-bottom:1px solid var(--c-border)}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.28;font-weight:700;max-width:900px}
.article-head .lead-line{font-size:15px;color:var(--c-text-2);margin-top:14px;max-width:760px;line-height:1.8}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:14px;color:var(--c-text-3)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:500;
}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7367}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--c-accent);display:inline-block}
.head-line{width:60px;height:3px;background:var(--c-accent);border-radius:2px;margin-top:22px}

/* ============ 封面图 ============ */
.cover-wrap{background:#fff;padding:24px 0 0}
.cover-figure{
  width:100%;aspect-ratio:16/6;border-radius:16px;overflow:hidden;
  background:var(--c-primary-t);position:relative;box-shadow:var(--shadow-sm);
}
.cover-figure img{width:100%;height:100%;object-fit:cover;border-radius:16px}
.cover-figure::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(90deg,rgba(12,78,124,.42),rgba(16,99,155,.05));
}
.cover-cap{
  position:absolute;left:28px;bottom:22px;z-index:2;color:#fff;
  font-size:15px;font-weight:500;letter-spacing:.4px;text-shadow:0 1px 6px rgba(0,0,0,.35);
}

/* ============ 正文区 ============ */
.article-main{background:#fff;padding:40px 0 72px}
.article-layout{display:block}
.article-side{display:none}
.article-content{font-size:17px;line-height:1.9;color:var(--c-text);max-width:760px;margin:0 auto}
.article-content p{margin:0 0 1.2em;font-size:17px;line-height:1.9}
.article-content h2{
  font-size:clamp(21px,2.4vw,26px);font-weight:600;color:var(--c-text);
  margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--c-accent);line-height:1.4;
}
.article-content h3{font-size:20px;font-weight:600;color:var(--c-primary-d);margin:28px 0 10px}
.article-content h4{font-size:17px;font-weight:600;color:var(--c-text);margin:22px 0 8px}
.article-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--c-primary-d)}
.article-content strong{font-weight:600;color:var(--c-text)}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-primary-t);
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;
  color:var(--c-text-2);font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul{margin:0 0 1.2em;padding-left:2px}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:8px;font-size:17px;line-height:1.85}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.article-content ol{list-style:decimal;padding-left:24px;margin:0 0 1.2em}
.article-content ol li{margin-bottom:8px;font-size:17px}
.article-content ol li::marker{color:var(--c-primary);font-weight:600}
.article-content img{border-radius:12px;margin:20px 0;width:100%}
.article-content figure{margin:22px 0}
.article-content figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-content table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-content table thead th{
  background:var(--c-primary-t);color:var(--c-primary-d);font-weight:600;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--c-primary-l);
}
.article-content table td{padding:12px 14px;border-bottom:1px solid var(--c-border);color:var(--c-text-2)}
.article-content table tbody tr:nth-child(even){background:#FAFCFE}
.article-content hr{border:none;height:1px;background:var(--c-border);margin:32px 0}
.article-content code{
  background:var(--c-primary-t);color:var(--c-primary-d);padding:2px 6px;border-radius:5px;font-size:14px;
}

/* 空内容状态 */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:56px 28px;
  background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-card);
}
.empty-state .glyph{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  border:2px solid var(--c-primary-l);display:flex;align-items:center;justify-content:center;
}
.empty-state .glyph span{width:22px;height:2.5px;background:var(--c-primary);position:relative}
.empty-state .glyph span::before,.empty-state .glyph span::after{content:"";position:absolute;left:0;width:22px;height:2.5px;background:var(--c-primary)}
.empty-state .glyph span::before{top:-7px}
.empty-state .glyph span::after{top:7px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}

/* 侧栏 */
.side-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.side-card h3{font-size:15px;font-weight:600;color:var(--c-primary-d);margin-bottom:14px;letter-spacing:.5px}
.side-nav li{margin-bottom:10px}
.side-nav a{font-size:14px;color:var(--c-text-2);display:block;padding-left:12px;border-left:2px solid transparent;line-height:1.6}
.side-nav a:hover{color:var(--c-primary);border-left-color:var(--c-primary)}
.side-nav a.is-current{color:var(--c-primary);border-left-color:var(--c-accent);font-weight:500}
.side-hint{font-size:13px;color:var(--c-text-3);line-height:1.7;margin:0}

/* 文末 */
.article-foot{background:#fff;padding:0 0 72px}
.article-foot-inner{max-width:760px;margin:0 auto}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:26px;border-top:1px solid var(--c-border)}
.tag-row span.lbl{font-size:13px;color:var(--c-text-3);margin-right:4px}
.tag-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:500;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.tag-pill:hover{background:var(--c-primary);color:#fff}
.tag-pill.is-teal{background:rgba(46,158,143,.12);color:#1F7367}
.tag-pill.is-teal:hover{background:var(--c-teal);color:#fff}
.back-btn{display:flex;justify-content:center;margin:32px 0 0}

/* 相关推荐 */
.related{background:var(--c-bg);padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--c-accent);border-radius:2px}
.sec-head p{font-size:14px;color:var(--c-text-2);margin:8px 0 0;padding-left:16px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-l)}
.card-media{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-t);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body h3 a{color:var(--c-text)}
.card-body h3 a:hover{color:var(--c-primary)}
.card-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px}

/* 引导条 */
.guide-strip{background:#fff;padding:0 0 72px}
.strip-inner{
  background:var(--c-primary-t);border-radius:var(--r-card);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.strip-inner h2{font-size:22px;font-weight:600;color:var(--c-primary-d)}
.strip-inner p{font-size:14px;color:var(--c-text-2);margin:8px 0 0;max-width:620px}

/* ============ 页脚 ============ */
.site-footer{background:#0C2537;color:#C6D6E2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#7C99AF}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9BECD;max-width:340px;margin-bottom:18px}
.footer-contact{font-size:13px;color:#A9BECD;line-height:2}
.footer-contact b{color:#E4EEF5;font-weight:500}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#A9BECD}
.footer-col ul a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA9BC;
}
.footer-bottom a{color:#C6D6E2}
.footer-bottom a:hover{color:#fff}

/* 滚动淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
  .article-content{margin:0;max-width:760px}
  .article-side{display:block;position:sticky;top:140px}
}
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .grid-container{padding-left:20px;padding-right:20px}
  .article-head{padding:32px 0 20px}
  .article-main{padding:32px 0 56px}
  .related{padding:56px 0}
  .guide-strip{padding:0 0 56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .tabs-scroll{
    -webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 24px),transparent 100%);
  }
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex}
  .nav-tabs{display:none;top:0;position:static}
  .nav-tabs.is-open{display:block}
  .tabs-scroll{flex-direction:column;align-items:stretch;height:auto;padding:10px 0;overflow:visible;gap:2px}
  .tab-item{height:42px;border-radius:10px}
  .site-header.is-scrolled ~ .nav-tabs{top:0}
  .search-box.is-open input{width:150px}
  .brand-sub{display:none}
  .card-grid{grid-template-columns:1fr}
  .strip-inner{padding:28px 24px}
  .article-head h1{font-size:24px}
  .article-content,.article-content p,.article-content ul li{font-size:16px}
}
@media (max-width:520px){
  .header-actions .btn-sm{display:none}
  .cover-figure{aspect-ratio:16/9}
  .cover-cap{left:18px;bottom:16px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-content h2{font-size:20px}
  .sec-head h2{font-size:21px}
}
@media (max-width:400px){
  .grid-container{padding-left:16px;padding-right:16px}
  .brand-name{font-size:15px}
  .article-head h1{font-size:21px}
}

/* roulang page: category2 */
:root{
  --c-primary:#10639B;
  --c-primary-d:#0C4E7C;
  --c-primary-t:#E8F1F8;
  --c-primary-l:#C8DEEF;
  --c-accent:#F0B429;
  --c-teal:#2E9E8F;
  --c-text:#16212B;
  --c-sub:#5A6B7B;
  --c-muted:#8A98A6;
  --c-border:#E3EAF1;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-danger:#C0392B;
  --rx-card:14px;
  --rx-btn:10px;
  --rx-img:14px;
  --rx-pill:999px;
  --sh-sm:0 2px 8px rgba(16,99,155,.06);
  --sh-md:0 10px 28px rgba(16,99,155,.10);
  --sec-y:92px;
  --ease:cubic-bezier(.2,.6,.25,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:130px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--rx-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--c-text);letter-spacing:.2px;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

/* ============ 容器 ============ */
.grid-container{max-width:1180px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){.grid-container{max-width:1240px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--rx-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-t);color:var(--c-primary-d);border-color:var(--c-primary-d);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);}
.link-arrow::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);transition:transform .22s var(--ease);}
.link-arrow:hover::after{transform:rotate(45deg) translate(4px,-4px);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;}
.header-main{border-bottom:1px solid var(--c-border);transition:box-shadow .22s var(--ease);}
.site-header.is-scrolled .header-main{box-shadow:var(--sh-sm);}
.header-main-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .22s var(--ease);}
.site-header.is-scrolled .header-main-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-d));
  position:relative;display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark span{width:15px;height:15px;border-right:3px solid #fff;border-top:3px solid #fff;transform:rotate(45deg) translate(-2px,2px);border-radius:2px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.4px;}
.brand-sub{font-size:10px;letter-spacing:2px;color:var(--c-muted);font-weight:500;}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-search{position:relative;width:0;overflow:hidden;transition:width .25s var(--ease);}
.header-search.is-open{width:240px;}
.header-search input{
  width:240px;height:40px;border:1px solid var(--c-border);border-radius:var(--rx-pill);
  padding:0 16px;font-size:14px;background:var(--c-bg);outline:none;
}
.header-search input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(16,99,155,.10);}
.icon-btn{
  width:40px;height:40px;border-radius:var(--rx-pill);border:1px solid var(--c-border);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary-l);background:var(--c-primary-t);}
.icon-btn svg{width:18px;height:18px;stroke:var(--c-primary);fill:none;stroke-width:1.75;stroke-linecap:round;}
.menu-toggle{display:none;height:40px;padding:0 14px;border-radius:var(--rx-btn);border:1px solid var(--c-border);background:#fff;font-size:14px;font-weight:600;color:var(--c-primary);cursor:pointer;}
.mobile-panel{display:none;border-bottom:1px solid var(--c-border);background:#fff;padding:8px 0 18px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a{display:block;padding:12px 4px;font-size:15px;font-weight:500;color:var(--c-sub);border-bottom:1px solid var(--c-border);}
.mobile-panel a:hover{color:var(--c-primary);}
.mobile-panel .btn{margin-top:16px;width:100%;}

.nav-tabs{background:#fff;border-bottom:1px solid var(--c-primary);}
.tabs-scroll{
  display:flex;flex-wrap:nowrap;gap:8px;align-items:center;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
  -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);
  mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab-item{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--rx-pill);
  font-size:14px;font-weight:500;color:var(--c-sub);position:relative;transition:all .22s var(--ease);
}
.tab-item:hover{background:var(--c-primary-t);color:var(--c-primary);}
.tab-item.is-active{background:var(--c-primary-t);color:var(--c-primary);font-weight:600;}
@media (min-width:992px){
  .tab-item.is-active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:-8px;height:2px;border-radius:2px;background:var(--c-primary);
  }
}

/* ============ 页首横幅 ============ */
.page-banner{
  position:relative;background-color:var(--c-primary-d);
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 52px;
}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,78,124,.90),rgba(16,99,155,.72));}
.page-banner .grid-container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span.sep{opacity:.6;}
.page-banner h1{color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;max-width:820px;}
.page-banner .banner-sub{margin:16px 0 0;font-size:17px;line-height:1.75;color:rgba(255,255,255,.92);max-width:720px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--rx-pill);
  font-size:13px;font-weight:500;background:var(--c-primary-t);color:var(--c-primary);
}
.badge-accent{background:rgba(240,180,41,.18);color:#7A5600;}
.badge-teal{background:rgba(46,158,143,.14);color:#1E7266;}
.badge-light{background:rgba(255,255,255,.18);color:#fff;}

/* ============ 快捷锚点 ============ */
.quick-nav{background:#fff;border-bottom:1px solid var(--c-border);padding:18px 0;}
.quick-list{
  display:flex;flex-wrap:nowrap;gap:10px;overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x proximity;
}
.quick-list::-webkit-scrollbar{display:none;}
.quick-list a{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--rx-pill);
  background:var(--c-bg);border:1px solid var(--c-border);font-size:14px;font-weight:500;color:var(--c-sub);
  transition:all .22s var(--ease);
}
.quick-list a:hover{background:var(--c-primary-t);border-color:var(--c-primary-l);color:var(--c-primary);transform:translateY(-2px);}
.quick-list a i{width:8px;height:8px;border-radius:2px;background:var(--c-accent);font-style:normal;flex:0 0 auto;}

/* ============ 板块 ============ */
.section{padding:var(--sec-y) 0;}
.section-alt{background:#fff;}
.section-head{max-width:820px;margin:0 auto 40px;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.section-head p{margin:14px 0 0;color:var(--c-sub);font-size:15px;}
.section-head .head-line{width:56px;height:3px;margin:18px auto 0;background:linear-gradient(90deg,var(--c-primary) 60%,var(--c-accent) 60%);border-radius:2px;}

/* ============ 问答分组 ============ */
.qa-wrap{max-width:860px;margin:0 auto;}
.qa-group{margin-bottom:52px;scroll-margin-top:130px;}
.qa-group:last-child{margin-bottom:0;}
.qa-group-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid var(--c-border);}
.qa-group-head h2{font-size:24px;line-height:1.35;position:relative;padding-left:16px;}
.qa-group-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-accent);}
.qa-count{
  display:inline-flex;align-items:center;justify-content:center;height:26px;min-width:44px;padding:0 10px;
  border-radius:var(--rx-pill);background:var(--c-primary-t);color:var(--c-primary);font-size:13px;font-weight:600;
}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--rx-card);
  box-shadow:var(--sh-sm);margin-bottom:14px;overflow:hidden;transition:all .22s var(--ease);
}
.faq-item:hover{border-color:var(--c-primary-l);box-shadow:var(--sh-md);}
.faq-item[open]{border-color:var(--c-primary-l);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;transition:background .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--c-primary-t);}
.faq-q{margin:0;font-size:17px;font-weight:600;line-height:1.55;color:var(--c-text);}
.faq-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-primary-t);color:var(--c-primary);
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.faq-arrow{
  margin-left:auto;flex:0 0 auto;width:10px;height:10px;margin-top:8px;
  border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.faq-item[open] .faq-arrow{transform:rotate(-135deg);margin-top:12px;}
.faq-a{padding:0 22px 22px 62px;font-size:15px;line-height:1.8;color:var(--c-sub);}
.faq-a strong{color:var(--c-text);font-weight:600;}
.faq-a ul{margin:10px 0 0;padding-left:0;}
.faq-a li{position:relative;padding-left:16px;margin-bottom:6px;}
.faq-a li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:1px;background:var(--c-accent);}
.faq-answer-tip{
  display:inline-block;margin-top:6px;padding:4px 10px;border-radius:var(--rx-pill);
  background:rgba(46,158,143,.12);color:#1E7266;font-size:13px;
}

/* ============ 安全提示图文 ============ */
.tip-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;}
.tip-img{position:relative;}
.tip-img img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;box-shadow:var(--sh-md);}
.tip-img .tip-tag{
  position:absolute;left:18px;top:18px;background:rgba(12,78,124,.88);color:#fff;
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--rx-pill);
}
.tip-text h2{font-size:clamp(23px,2.6vw,30px);line-height:1.35;margin-bottom:16px;}
.tip-text p{color:var(--c-sub);font-size:16px;}
.tip-list{margin-top:20px;display:grid;gap:12px;}
.tip-list li{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--c-border);
  border-left:3px solid var(--c-primary);border-radius:10px;padding:14px 18px;box-shadow:var(--sh-sm);
  font-size:15px;color:var(--c-sub);transition:all .22s var(--ease);
}
.tip-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-left-color:var(--c-accent);}
.tip-list li b{display:block;color:var(--c-text);font-weight:600;margin-bottom:2px;font-size:15px;}

/* ============ 表单 ============ */
.form-panel{
  max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--c-border);
  border-radius:16px;box-shadow:var(--sh-md);padding:36px;
}
.form-panel h2{font-size:26px;margin-bottom:10px;}
.form-panel .form-desc{color:var(--c-sub);font-size:15px;margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text);}
.field label .req{color:var(--c-danger);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-border);border-radius:var(--rx-btn);
  padding:12px 14px;background:var(--c-bg);outline:none;font-size:15px;transition:all .22s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(16,99,155,.10);}
.field .err{display:none;font-size:14px;color:var(--c-danger);margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-danger);}
.field.has-error .err{display:block;}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px;}
.form-foot .hint{font-size:13px;color:var(--c-muted);}
.form-success{
  display:none;margin-top:20px;padding:16px 18px;border-radius:12px;
  background:var(--c-primary-t);border:1px solid var(--c-primary-l);color:var(--c-primary-d);font-size:15px;
}
.form-success.is-visible{display:block;}

/* ============ CTA ============ */
.cta-band{background:var(--c-primary-t);border-radius:14px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-band p{margin:0;color:var(--c-sub);font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:64px 0 0;margin-top:var(--sec-y);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--c-sub);font-size:14px;line-height:1.8;max-width:320px;}
.footer-contact{font-size:14px;color:var(--c-sub);line-height:1.9;}
.footer-contact b{color:var(--c-text);font-weight:600;}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;position:relative;padding-left:12px;}
.footer-col h3::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--c-accent);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--c-sub);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--c-border);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
}
.footer-bottom a{color:var(--c-muted);text-decoration:underline;}
.footer-bottom a:hover{color:var(--c-primary);}

/* ============ 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--sec-y:80px;}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .header-search.is-open{width:180px;}
  .header-search input{width:180px;}
  .tip-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
}
@media (max-width:768px){
  :root{--sec-y:52px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .menu-toggle{display:inline-flex;align-items:center;}
  .header-actions .btn-primary{display:none;}
  .header-search{display:none;}
  .page-banner{padding:40px 0 38px;}
  .page-banner .banner-sub{font-size:15px;}
  .form-row{grid-template-columns:1fr;gap:16px;}
  .form-panel{padding:24px 20px;}
  .faq-item summary{padding:16px;}
  .faq-a{padding:0 16px 18px 56px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:560px){
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .qa-group-head{flex-wrap:wrap;gap:10px;}
  .qa-group-head h2{font-size:20px;}
  .faq-q{font-size:16px;}
  .faq-a{font-size:14.5px;padding-left:16px;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media (max-width:400px){
  .page-banner h1{font-size:26px;}
  .badge{font-size:12px;padding:0 10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#10639B;
  --c-primary-d:#0C4E7C;
  --c-primary-t:#E8F1F8;
  --c-primary-l:#C8DEEF;
  --c-accent:#F0B429;
  --c-accent-t:#FEF6E4;
  --c-teal:#2E9E8F;
  --c-teal-t:#E6F5F2;
  --ink:#16212B;
  --ink-2:#5A6B7B;
  --ink-3:#8A98A6;
  --line:#E3EAF1;
  --page:#F5F8FB;
  --card:#FFFFFF;
  --danger:#A62626;
  --shadow-sm:0 2px 8px rgba(16,99,155,.06);
  --shadow-md:0 10px 28px rgba(16,99,155,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --container:1180px;
  --section-y:92px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.grid-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.grid-container{max-width:1240px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line)}
.header-main{height:64px;transition:height .22s var(--ease),box-shadow .22s var(--ease)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header.is-compact .header-main{height:56px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--c-primary);position:relative;display:grid;place-items:center;flex:0 0 auto;overflow:hidden}
.brand-mark::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:4px;background:var(--c-accent);opacity:.9}
.brand-mark i{display:block;width:13px;height:13px;border-top:3px solid #fff;border-right:3px solid #fff;transform:rotate(45deg) translate(-2px,2px)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px}
.brand-sub{font-size:10px;letter-spacing:2px;color:var(--ink-3)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-wrap{position:relative}
.search-toggle{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);display:grid;place-items:center;cursor:pointer;transition:border-color .22s var(--ease),background .22s var(--ease)}
.search-toggle:hover{border-color:var(--c-primary-l);background:var(--c-primary-t)}
.search-toggle svg{width:18px;height:18px;stroke:var(--c-primary);fill:none;stroke-width:1.75}
.search-box{position:absolute;right:0;top:calc(100% + 10px);width:264px;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);box-shadow:var(--shadow-md);padding:8px;display:none}
.search-wrap.is-open .search-box{display:block}
.search-box input{width:100%;height:40px;border:0;background:var(--page);border-radius:8px;padding:0 12px;font-size:14px}
.search-box input:focus{outline:2px solid var(--c-primary-l)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;place-items:center}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--c-primary);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-primary)}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

.nav-tabs{border-top:1px solid var(--line);border-bottom:1px solid var(--c-primary-l);background:#fff}
.nav-tabs .grid-container{position:relative}
.tabs-scroll{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab-item{flex:0 0 auto;scroll-snap-align:start;padding:7px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-2);white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease)}
.tab-item:hover{background:var(--c-primary-t);color:var(--c-primary)}
.tab-item.is-active{background:var(--c-primary-t);color:var(--c-primary);font-weight:500}
@media (min-width:992px){
  .tab-item.is-active{position:relative}
  .tab-item.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-13px;height:2px;background:var(--c-primary);border-radius:2px}
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-menu.is-open{display:block}
.mobile-menu ul{padding:8px 24px 16px}
.mobile-menu a{display:block;padding:12px 0;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--c-primary);font-weight:500}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{background:var(--c-primary-d);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);transform:none}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-t);color:var(--c-primary-d);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:15px;font-weight:500}
.btn-link span{transition:transform .22s var(--ease)}
.btn-link:hover span{transform:translateX(4px)}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(115deg,rgba(12,78,124,.86),rgba(16,99,155,.66)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-banner .grid-container{width:100%;padding-top:44px;padding-bottom:44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.92)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.5)}
.page-banner h1{font-size:clamp(28px,3.6vw,42px);line-height:1.24;font-weight:700;max-width:820px}
.page-banner p{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);max-width:720px}

/* ---------- sections ---------- */
.section{padding:var(--section-y) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.4vw,30px);line-height:1.3;font-weight:700;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--c-accent)}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}
.section-head .head-right{flex:0 0 auto;padding-bottom:4px}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--c-primary-t);border-radius:var(--r-card);padding:28px 8px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.stat-item{padding:6px 20px;border-right:1px solid var(--c-primary-l)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(30px,3.4vw,44px);font-weight:700;line-height:1.1;color:var(--c-primary-d);letter-spacing:-.5px}
.stat-num small{font-size:15px;font-weight:500;margin-left:4px;color:var(--ink-2)}
.stat-label{margin-top:10px;font-size:14px;color:var(--ink-2)}
.stat-bar{width:34px;height:3px;background:var(--c-accent);border-radius:2px;margin-top:12px}
.status-now{display:inline-flex;align-items:center;gap:8px;background:var(--c-teal-t);color:#1F6B60;border-radius:var(--r-pill);font-size:13px;padding:5px 14px;margin-bottom:20px}
.status-now i{width:8px;height:8px;border-radius:50%;background:var(--c-teal);display:block}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.up-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.up-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-l)}
.up-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-t)}
.up-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.up-card:hover .up-cover img{transform:scale(1.04)}
.up-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-primary-t);color:var(--c-primary-d);width:fit-content}
.badge-teal{background:var(--c-teal-t);color:#1F6B60}
.badge-accent{background:var(--c-accent-t);color:#8A5A00}
.up-body h3{font-size:20px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.up-body p{font-size:15px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.up-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;gap:10px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:28px;border-left:2px solid var(--c-primary-l)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-35px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--c-accent);border:3px solid #fff;box-shadow:0 0 0 1px var(--c-primary-l)}
.tl-date{font-size:13px;color:var(--ink-3);letter-spacing:.4px}
.tl-item h3{margin-top:6px;font-size:19px;line-height:1.45;font-weight:600;color:var(--ink)}
.tl-item p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* ---------- form ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:32px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:500;color:var(--ink)}
.field label em{font-style:normal;color:var(--danger);margin-left:4px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;padding:11px 14px;font-size:15px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.field textarea{min-height:112px;resize:vertical;line-height:1.75}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-t)}
.field .err{font-size:14px;color:var(--danger);display:none}
.field.has-error .err{display:block}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.form-foot{grid-column:1/-1;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-note{font-size:14px;color:var(--ink-3)}
.form-success{display:none;grid-column:1/-1;background:var(--c-primary-t);border-radius:var(--r-input);padding:14px 18px;font-size:15px;color:var(--c-primary-d)}
.form-success.is-show{display:block}

/* ---------- pills ---------- */
.pill-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--c-primary-l);background:#fff;font-size:14px;color:var(--c-primary-d);transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease)}
.pill:hover{background:var(--c-primary-t);transform:translateY(-2px)}
.pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- related block ---------- */
.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:32px}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-t);border-radius:var(--r-card);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:clamp(22px,2.3vw,28px);line-height:1.35;font-weight:700;color:var(--c-primary-d)}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:560px}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:330px}
.footer-contact{margin-top:18px;font-size:14px;color:var(--ink-2);line-height:2}
.footer-contact b{color:var(--ink)}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.footer-bottom a{color:var(--ink-3);text-decoration:underline}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--section-y:76px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--section-y:64px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .stat-item:nth-child(2){border-right:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--section-y:52px}
  .grid-container{padding:0 18px}
  .menu-toggle{display:grid}
  .header-actions .btn-primary{display:none}
  .search-box{width:min(78vw,280px)}
  .tabs-scroll{padding-right:24px}
  .nav-tabs .grid-container::after{content:"";position:absolute;right:18px;top:0;width:24px;height:48px;background:linear-gradient(to right,rgba(255,255,255,0),#fff);pointer-events:none}
  .page-banner{min-height:240px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .card-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:28px}
  .footer-grid{grid-template-columns:1fr}
  .timeline{padding-left:22px}
  .tl-item::before{left:-29px}
}
@media (max-width:560px){
  .stat-strip{grid-template-columns:1fr;padding:22px 8px}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-primary-l);padding-bottom:18px}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .brand-sub{display:none}
  .form-card,.related-card{padding:22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:400px){
  .brand-name{font-size:15px}
  .up-body{padding:18px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}