/* roulang page: index */
:root{
  --c-brand:#1F5BA8;
  --c-brand-dark:#164A8C;
  --c-brand-ink:#0F2E57;
  --c-brand-soft:#EAF1FA;
  --c-accent:#C2603A;
  --c-accent-soft:#FBEDE6;
  --c-support:#4C6B63;
  --c-bg:#FBFBF9;
  --c-bg-alt:#F2F5F9;
  --c-surface:#FFFFFF;
  --c-text:#14181D;
  --c-text-2:#566070;
  --c-text-3:#8A93A1;
  --c-line:#E3E8EF;
  --c-success:#1E8A5F;
  --sh-1:0 1px 2px rgba(16,32,64,.05);
  --sh-2:0 8px 24px rgba(16,32,64,.07);
  --sh-3:0 16px 36px rgba(16,32,64,.12);
  --r-s:8px;--r-m:12px;--r-l:16px;--r-xl:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1F5BA8;
  --bs-primary-rgb:31,91,168;
  --bs-body-bg:#FBFBF9;
  --bs-body-color:#14181D;
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-border-color:#E3E8EF;
  --bs-border-radius:12px;
  --bs-link-color:#1F5BA8;
  --bs-link-hover-color:#164A8C;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-brand-dark)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-text);line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--c-bg-alt)}
.section-line{border-top:1px solid var(--c-line)}
.mono{font-family:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,monospace;font-variant-numeric:tabular-nums}

/* ============ 顶部状态条 ============ */
.topbar{background:var(--c-brand-ink);color:#fff;font-size:14px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar-note{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.88)}
.topbar-note i{color:#8FB6E8}
.topbar-right{display:flex;align-items:center;gap:14px}
.countdown{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.86)}
.countdown b{color:#F0A98A;font-weight:700;letter-spacing:0}
.countdown .cd-num{min-width:22px;text-align:center;background:rgba(255,255,255,.1);border-radius:6px;padding:1px 5px;color:#fff}

/* ============ 徽章 ============ */
.ui-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:500;line-height:1;letter-spacing:.02em;white-space:nowrap;
}
.ui-badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:breath 2s ease-in-out infinite}
@keyframes breath{0%,100%{opacity:1}50%{opacity:.35}}
.badge-live{background:var(--c-success);color:#fff}
.badge-soon{background:var(--c-accent-soft);color:var(--c-accent)}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand)}
.badge-support{background:#E7EFEC;color:var(--c-support)}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-nav.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-text)}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:linear-gradient(150deg,var(--c-brand),var(--c-brand-ink));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:0
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:-.01em}
.brand-text span{font-size:12px;color:var(--c-text-3);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;color:var(--c-text-2);font-size:17px;font-weight:500;padding:24px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:16px;width:0;height:2px;border-radius:2px;
  background:var(--c-brand);transition:width .25s var(--ease)
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{width:20px}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{width:20px}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);align-items:center;justify-content:center;font-size:18px;
}
.offcanvas{width:84%}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.offcanvas-body{padding:0}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;
  border-bottom:1px solid var(--c-line);color:var(--c-text);font-size:16px;font-weight:500
}
.drawer-list a.active{color:var(--c-brand);font-weight:700}
.drawer-foot{padding:20px;display:flex;flex-direction:column;gap:14px}

/* ============ 按钮 ============ */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;cursor:pointer;transition:all .25s var(--ease)
}
.btn-brand{background:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark)}
.btn-outline-brand:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--c-text-2);padding:0 12px}
.btn-ghost:hover{color:var(--c-brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:500;font-size:15px
}
.link-arrow i{font-size:13px;transition:transform .25s var(--ease)}
.link-arrow:hover{color:var(--c-brand-dark);text-decoration:underline;text-underline-offset:3px}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ Hero ============ */
.hero{padding:72px 0 56px;background:
  radial-gradient(1100px 520px at 88% -10%,rgba(31,91,168,.10),transparent 60%),
  radial-gradient(700px 380px at 0% 110%,rgba(194,96,58,.07),transparent 65%),
  var(--c-bg);
  border-bottom:1px solid var(--c-line)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{font-size:44px;font-weight:800;margin:22px 0 0;letter-spacing:-.02em}
.hero-copy h1 em{font-style:normal;color:var(--c-brand);box-shadow:inset 0 -10px 0 rgba(31,91,168,.12)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--c-text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-marks{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px}
.hero-mark{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--c-text-2)}
.hero-mark i{width:30px;height:30px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);display:grid;place-items:center;font-size:13px}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-alt);aspect-ratio:16/11
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.hero-media:hover .frame img{transform:scale(1.03)}
.hero-card{
  position:absolute;right:-16px;bottom:-22px;width:266px;background:#fff;border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:16px 18px;border:1px solid var(--c-line)
}
.hero-card .hc-k{font-size:12px;color:var(--c-text-3);letter-spacing:.03em}
.hero-card .hc-v{font-size:26px;font-weight:800;color:var(--c-brand);line-height:1.2;margin-top:4px}
.hero-card .hc-d{font-size:13px;color:var(--c-text-2);margin-top:4px}

/* 数据条 */
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;
  border-top:1px solid var(--c-line);padding-top:28px;gap:0
}
.hero-stat{padding:0 24px;border-left:1px solid var(--c-line)}
.hero-stat:first-child{border-left:0;padding-left:0}
.hero-stat b{display:block;font-size:30px;font-weight:800;color:var(--c-brand);letter-spacing:-.02em}
.hero-stat span{font-size:13px;color:var(--c-text-2)}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:30px;font-weight:700}
.section-head .lead{margin-top:12px;font-size:16px;color:var(--c-text-2);max-width:640px}
.section-tag{font-size:13px;font-weight:500;color:var(--c-accent);background:var(--c-accent-soft);border-radius:999px;padding:5px 12px;display:inline-block;margin-bottom:14px}

/* ============ 主张区 ============ */
.claim-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.claim-list{display:flex;flex-direction:column;gap:0}
.claim-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.claim-item:first-child{padding-top:0}
.claim-item i{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--c-brand-soft);
  color:var(--c-brand);display:grid;place-items:center;font-size:17px
}
.claim-item h3{font-size:17px;font-weight:700}
.claim-item p{margin-top:6px;font-size:14.5px;color:var(--c-text-2);line-height:1.8}

/* ============ 故事区 ============ */
.story{position:relative;padding:96px 0;background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.story-grid{display:grid;grid-template-columns:6fr 6fr;gap:64px;align-items:center}
.story-media{position:relative}
.story-media::before{
  content:"";position:absolute;left:-22px;top:22px;width:100%;height:100%;
  border-radius:var(--r-l);background:var(--c-brand-soft);z-index:0
}
.story-media img{position:relative;z-index:1;border-radius:var(--r-l);box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;width:100%}
.story-body h2{font-size:28px;font-weight:700;margin-bottom:20px}
.story-body p{color:var(--c-text-2);margin-bottom:16px;font-size:16px}
.story-points{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.story-points li{display:flex;gap:10px;font-size:15px;color:var(--c-text)}
.story-points i{color:var(--c-success);margin-top:4px;font-size:14px}

/* ============ 精选卡片 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.pick-main{grid-column:span 8;display:grid;grid-template-columns:1fr 1fr;background:var(--c-surface);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.pick-main:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.pick-main .pm-img{overflow:hidden;background:var(--c-bg-alt);min-height:260px}
.pick-main .pm-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.pick-main:hover .pm-img img{transform:scale(1.03)}
.pick-main .pm-body{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.pick-main h3{font-size:21px;font-weight:700}
.pick-main p{font-size:14.5px;color:var(--c-text-2);line-height:1.8}
.pick-side{grid-column:span 4;display:flex;flex-direction:column;gap:24px}
.pick-card{background:var(--c-surface);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);display:flex;flex-direction:column;flex:1}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pick-card .pc-img{overflow:hidden;background:var(--c-bg-alt);aspect-ratio:16/9}
.pick-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.pick-card:hover .pc-img img{transform:scale(1.03)}
.pick-card .pc-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.pick-card h3{font-size:16px;font-weight:700}
.pick-card span.meta{font-size:13px;color:var(--c-text-3)}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--c-text-3)}

/* ============ 最新信息 ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);font-size:14px;
  transition:all .25s var(--ease)
}
.filter-chip:hover{border-color:var(--c-brand);color:var(--c-brand)}
.filter-chip.active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:500}
.news-list{background:var(--c-surface);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden}
.news-item{
  display:flex;gap:20px;padding:24px 26px;border-bottom:1px solid var(--c-line);
  position:relative;color:inherit;transition:background .25s var(--ease)
}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-brand);
  transform:scaleY(0);transform-origin:top;transition:transform .25s var(--ease)
}
.news-item:hover{background:var(--c-bg-alt)}
.news-item:hover::before{background:var(--c-accent);transform:scaleY(1)}
.news-thumb{
  width:176px;flex:0 0 176px;border-radius:var(--r-m);overflow:hidden;background:var(--c-bg-alt);aspect-ratio:16/10
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.news-title{font-size:17px;font-weight:700;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .news-title{color:var(--c-brand)}
.news-sum{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-text-3);flex-wrap:wrap}
.news-more{margin-left:auto;color:var(--c-brand);font-size:13.5px;font-weight:500}
.empty-state{text-align:center;padding:64px 24px}
.empty-state .es-icon{width:48px;height:48px;border-radius:50%;background:rgba(31,91,168,.2);color:var(--c-brand);display:grid;place-items:center;margin:0 auto 18px;font-size:19px}
.empty-state p{font-size:16px;font-weight:500}
.empty-state small{display:block;margin:8px 0 20px;font-size:14px;color:var(--c-text-3)}
.pager{display:flex;justify-content:center;gap:10px;margin-top:40px}
.pager a,.pager span{
  min-width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-text-2);padding:0 14px
}
.pager a:hover{border-color:var(--c-brand);color:var(--c-brand)}
.pager .current{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:500}

/* ============ 信任区 ============ */
.logo-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin:0 0 56px}
.logo-item{
  height:84px;border-radius:var(--r-m);background:var(--c-surface);border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-text-3);font-size:15px;font-weight:500;
  filter:grayscale(40%);transition:all .25s var(--ease)
}
.logo-item:hover{filter:grayscale(0);color:var(--c-brand);border-color:#C9DCF1;transform:translateY(-2px)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.stat-item b{display:block;font-size:34px;font-weight:800;color:var(--c-brand);letter-spacing:-.02em}
.stat-item span{font-size:14px;color:var(--c-text-2)}
.stat-item{padding-left:22px;border-left:2px solid var(--c-accent-soft)}
.stat-item.hl{border-left-color:var(--c-support)}

/* ============ CTA 订阅 ============ */
.cta-band{background:var(--c-brand-ink);border-radius:var(--r-xl);padding:52px 48px;color:#fff}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:26px;font-weight:700}
.cta-band p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px}
.sub-form{display:flex;gap:12px}
.sub-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:15px
}
.sub-form input::placeholder{color:rgba(255,255,255,.55)}
.sub-form input:focus{outline:none;border-color:#8FB6E8;box-shadow:0 0 0 3px rgba(143,182,232,.22)}
.sub-form .btn-sub{
  height:48px;padding:0 26px;border-radius:12px;border:0;background:var(--c-accent);color:#fff;
  font-size:15px;font-weight:500;cursor:pointer;transition:all .25s var(--ease);white-space:nowrap
}
.sub-form .btn-sub:hover{background:#AC5330;transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.22)}
.form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.55)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;
  justify-content:space-between;gap:20px;min-height:64px;padding:14px 0;font-size:17px;font-weight:500;
  color:var(--c-text);cursor:pointer;transition:color .25s var(--ease)
}
.faq-q:hover{color:var(--c-brand)}
.faq-q i{color:var(--c-text-3);font-size:15px;transition:transform .25s var(--ease),color .25s var(--ease);flex:0 0 auto}
.faq-q[aria-expanded="true"]{color:var(--c-brand)}
.faq-q[aria-expanded="true"] i{transform:rotate(45deg);color:var(--c-brand)}
.faq-a{padding:0 0 22px;border-left:3px solid var(--c-brand);padding-left:16px;margin-bottom:6px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand strong{font-size:18px;font-weight:800;color:#fff;line-height:1.2}
.footer-brand span{display:block;font-size:12px;color:rgba(255,255,255,.55)}
.footer-desc{font-size:14px;line-height:1.85;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.72);font-size:14px;padding:6px 0;transition:all .25s var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact p{font-size:14px;line-height:1.9}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12px;color:rgba(255,255,255,.5)
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:#fff;border:0;display:grid;place-items:center;font-size:16px;
  box-shadow:var(--sh-2);cursor:pointer;opacity:0;visibility:hidden;transition:all .25s var(--ease);z-index:1040
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-brand-dark);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-copy h1{font-size:38px}
  .story-grid{gap:44px}
}
@media (max-width:991px){
  .nav-links,.nav-actions .btn-brand,.nav-actions .ui-badge{display:none}
  .nav-toggle{display:inline-flex}
  .section,.story{padding:72px 0}
  .hero{padding:52px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-card{position:static;width:100%;margin-top:16px;right:auto;bottom:auto}
  .hero-stats{margin-top:44px;grid-template-columns:repeat(2,1fr);row-gap:24px}
  .hero-stat{border-left:0;padding:0}
  .hero-stat:nth-child(even){padding-left:24px;border-left:1px solid var(--c-line)}
  .claim-grid,.story-grid,.cta-grid{grid-template-columns:1fr;gap:32px}
  .pick-main{grid-column:span 12;grid-template-columns:1fr}
  .pick-side{grid-column:span 12;flex-direction:row}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 32px;border-radius:var(--r-l)}
}
@media (max-width:767px){
  .container-x{padding:0 20px}
  .section,.story{padding:56px 0}
  .hero-copy h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head h2{font-size:23px}
  .countdown{display:none}
  .topbar-note{font-size:13px}
  .hero-cta .btn-brand,.hero-cta .btn-outline-brand{flex:1 1 100%}
  .hero-marks{gap:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .pick-side{flex-direction:column}
  .news-item{padding:20px;gap:14px}
  .news-thumb{width:96px;flex:0 0 96px}
  .news-more{display:none}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:1fr;gap:20px}
  .cta-band{padding:32px 22px}
  .sub-form{flex-direction:column}
  .sub-form .btn-sub{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .story-media::before{display:none}
  .story-media img{aspect-ratio:16/10}
}
@media (max-width:519px){
  .hero-copy h1{font-size:26px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat:nth-child(even){padding-left:0;border-left:0}
  .logo-wall{grid-template-columns:1fr 1fr}
  .brand-text strong{font-size:17px}
}

/* roulang page: article */
:root{
  --bs-primary:#1F5BA8;
  --bs-primary-rgb:31,91,168;
  --bs-body-bg:#FBFBF9;
  --bs-body-color:#14181D;
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-border-color:#E3E8EF;
  --bs-border-radius:12px;
  --bs-link-color:#1F5BA8;
  --bs-link-hover-color:#164A8C;

  --c-brand:#1F5BA8;
  --c-brand-dark:#164A8C;
  --c-brand-ink:#0F2E57;
  --c-brand-soft:#EAF1FA;
  --c-accent:#C2603A;
  --c-accent-soft:#FBEDE6;
  --c-support:#4C6B63;
  --c-bg:#FBFBF9;
  --c-bg-alt:#F2F5F9;
  --c-surface:#FFFFFF;
  --c-text:#14181D;
  --c-text-2:#566070;
  --c-text-3:#8A93A1;
  --c-line:#E3E8EF;
  --c-success:#1E8A5F;

  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --sh-1:0 1px 2px rgba(16,32,64,.05);
  --sh-2:0 8px 24px rgba(16,32,64,.07);
  --sh-3:0 16px 36px rgba(16,32,64,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.25s var(--ease);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em;margin:0;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
input,button{font:inherit;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.mono{
  font-family:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}

/* ---------- 顶部状态条 ---------- */
.topbar{
  background:var(--c-brand-ink);
  color:rgba(255,255,255,.86);
  font-size:14px;
  min-height:38px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-note{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.82);
}
.topbar-note i{color:#9CC0EC;font-size:13px;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.countdown{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:#F0C9B6;
  font-size:13px;
}
.cc-label{margin-right:6px;color:rgba(255,255,255,.7);}
.cc-num{
  display:inline-block;
  min-width:26px;
  text-align:center;
  background:rgba(255,255,255,.1);
  border-radius:6px;
  padding:1px 5px;
  color:#F2D2C2;
  font-size:13px;
}
.cc-sep{color:rgba(255,255,255,.5);}

/* ---------- 徽章 ---------- */
.ui-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
  background:var(--c-brand-soft);
  color:var(--c-brand);
}
.badge-live{background:rgba(30,138,95,.12);color:#16724E;}
.badge-live .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-success);
  animation:breathe 2s infinite var(--ease);
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-support{background:rgba(76,107,99,.12);color:var(--c-support);}
.badge-cat{background:var(--c-brand-soft);color:var(--c-brand);}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:1px solid var(--c-brand);
  border-radius:var(--r-m);
  background:var(--c-brand);
  color:#fff;
  font-size:15px;
  font-weight:500;
  line-height:1;
  cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t),color var(--t);
}
.btn-brand:hover{
  background:var(--c-brand-dark);
  border-color:var(--c-brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:1px solid var(--c-brand);
  border-radius:var(--r-m);
  background:transparent;
  color:var(--c-brand);
  font-size:15px;
  font-weight:500;
  line-height:1;
  cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-outline-brand:hover{
  background:var(--c-brand-soft);
  color:var(--c-brand-dark);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0;
  border:0;
  background:transparent;
  color:var(--c-brand);
  font-size:15px;
  font-weight:500;
  cursor:pointer;
}
.btn-ghost i{transition:transform var(--t);}
.btn-ghost:hover{color:var(--c-brand-dark);text-decoration:underline;text-underline-offset:3px;}
.btn-ghost:hover i{transform:translateX(3px);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text);
  font-weight:700;
  font-size:20px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--c-brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:0;
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  color:var(--c-text-2);
  font-size:17px;
  font-weight:500;
  padding:6px 0;
  transition:color var(--t);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:20px;
  height:2px;
  background:var(--c-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after,
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-brand);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-actions .btn-brand{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;
  height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  background:#fff;
  color:var(--c-text);
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--c-bg-alt);border-color:var(--c-brand);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(15,46,87,.36);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  width:84%;
  max-width:360px;
  height:100%;
  background:#fff;
  z-index:1050;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:var(--sh-3);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:16px;
  border-bottom:1px solid var(--c-line);
}
.drawer-title{font-weight:700;font-size:17px;}
.drawer-close{
  margin-left:auto;
  width:36px;height:36px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  color:var(--c-text-2);
  cursor:pointer;
  transition:background var(--t),color var(--t);
}
.drawer-close:hover{background:var(--c-bg-alt);color:var(--c-brand);}
.drawer-links{display:flex;flex-direction:column;margin:12px 0 20px;}
.drawer-link{
  display:flex;
  align-items:center;
  height:52px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text-2);
  font-size:16px;
  font-weight:500;
  transition:color var(--t),padding-left var(--t);
}
.drawer-link:hover{color:var(--c-brand);padding-left:6px;}
.drawer-link.active{color:var(--c-brand);}
.drawer-cta{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--c-text-3);
  padding-top:28px;
}
.breadcrumb-nav a{color:var(--c-text-3);}
.breadcrumb-nav a:hover{color:var(--c-brand);}
.bc-sep{color:var(--c-line);}
.bc-current{
  color:var(--c-text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:520px;
}

/* ---------- 文章头 ---------- */
.article-head{
  max-width:820px;
  margin:0 auto;
  padding:20px 0 36px;
  border-bottom:1px solid var(--c-line);
}
.article-head .ui-badge{margin-bottom:16px;}
.article-title{
  font-size:38px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
  margin-bottom:18px;
  overflow-wrap:break-word;
}
.meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:14px;
  color:var(--c-text-3);
}
.meta-row .sep{
  width:1px;
  height:12px;
  background:var(--c-line);
  display:inline-block;
}
.article-cover{
  max-width:820px;
  margin:32px auto 0;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-2);
  background:var(--c-bg-alt);
}
.cover-caption{
  font-size:13px;
  color:var(--c-text-3);
  text-align:center;
  margin-top:10px;
}

/* ---------- 正文阅读区 ---------- */
.article-section{padding:56px 0 0;}
.main-col{min-width:0;}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:24px;
  font-weight:700;
  margin:48px 0 20px;
  padding-left:12px;
  border-left:4px solid var(--c-brand);
}
.article-body h3{
  font-size:20px;
  font-weight:700;
  margin:32px 0 14px;
}
.article-body h4{
  font-size:17px;
  font-weight:700;
  margin:24px 0 12px;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.4em;
  padding-left:1.5em;
  list-style:revert;
}
.article-body li{margin:.4em 0;line-height:1.9;}
.article-body ul li::marker{color:var(--c-brand);}
.article-body ol li::marker{color:var(--c-brand);font-weight:700;}
.article-body blockquote{
  margin:28px 0;
  padding:20px;
  background:var(--c-brand-soft);
  border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-m) var(--r-m) 0;
  font-size:16px;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:24px 0;
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  overflow:hidden;
}
.article-body th{
  background:var(--c-bg-alt);
  text-align:left;
  font-weight:700;
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text-2);
}
.article-body tr:last-child td{border-bottom:0;}
.article-body pre{
  background:var(--c-bg-alt);
  border-radius:var(--r-m);
  padding:16px;
  overflow-x:auto;
  font-family:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,Consolas,monospace;
  font-size:14px;
  line-height:1.7;
  margin:0 0 1.4em;
}
.article-body code{
  font-family:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,Consolas,monospace;
  font-size:14px;
  background:var(--c-brand-soft);
  color:var(--c-brand-dark);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body img{
  border-radius:var(--r-m);
  margin:8px 0;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--c-text-3);
  text-align:center;
  margin-top:8px;
}
.article-body a{color:var(--c-brand);}
.article-body a:hover{text-decoration:underline;text-underline-offset:2px;}

/* ---------- 侧栏 ---------- */
.side-inner{position:sticky;top:100px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card + .side-card{margin-top:20px;}
.side-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title i{color:var(--c-brand);font-size:14px;}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-item{
  padding-left:12px;
  border-left:2px solid var(--c-line);
  transition:border-color var(--t),color var(--t);
}
.side-item:hover{border-color:var(--c-brand);}
.side-item a{
  display:block;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  transition:color var(--t);
}
.side-item a:hover{color:var(--c-brand);}
.side-item span{
  display:block;
  font-size:12px;
  color:var(--c-text-3);
  margin-top:2px;
}
.side-cta{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.side-cta .btn-outline-brand{width:100%;}

/* ---------- 标签与分享 ---------- */
.article-foot{
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tag-label{font-size:14px;color:var(--c-text-3);}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-size:13px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.tag:hover{background:var(--c-brand);color:#fff;transform:translateY(-2px);}
.share-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text-3);}
.share-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text-2);
  cursor:pointer;
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.share-btn:hover{
  color:var(--c-brand);
  border-color:var(--c-brand);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}

/* ---------- 上下篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:44px;
}
.post-nav-card{
  display:block;
  padding:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-nav-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-3);
  border-color:var(--c-brand);
}
.pn-dir{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:8px;
}
.pn-title{
  display:block;
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  margin-bottom:6px;
}
.pn-desc{
  display:block;
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.7;
}
.post-nav-card.align-right{text-align:right;}
.post-nav-card.align-right .pn-dir{justify-content:flex-end;}

/* ---------- 资讯横向卡 ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-head h2{font-size:24px;font-weight:700;}
.section-head p{
  font-size:14px;
  color:var(--c-text-2);
  margin-top:8px;
}
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-card{
  display:flex;
  gap:20px;
  padding:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  transition:background var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.news-card:hover{
  background:var(--c-bg-alt);
  border-left-color:var(--c-accent);
  transform:translateY(-4px);
  box-shadow:var(--sh-3);
}
.news-thumb{
  flex:0 0 190px;
  border-radius:var(--r-m);
  overflow:hidden;
  background:var(--c-bg-alt);
}
.news-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;justify-content:center;min-width:0;gap:8px;}
.news-title{
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--t);
}
.news-card:hover .news-title{color:var(--c-brand);}
.news-desc{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);}
.news-meta .sep{width:1px;height:12px;background:var(--c-line);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-l);
}
.empty-icon{
  width:48px;height:48px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(31,91,168,.12);
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
.empty-title{font-size:16px;font-weight:700;margin-bottom:8px;}
.empty-desc{font-size:14px;color:var(--c-text-2);margin-bottom:20px;}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 72px;}
.cta-inner{
  background:var(--c-brand-ink);
  border-radius:24px;
  padding:40px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{font-size:24px;color:#fff;}
.cta-inner p{
  color:rgba(255,255,255,.72);
  font-size:15px;
  margin-top:10px;
  max-width:520px;
}
.cta-form{display:flex;gap:12px;flex-shrink:0;}
.input-x{
  height:48px;
  width:260px;
  padding:0 16px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-m);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.input-x::placeholder{color:rgba(255,255,255,.5);}
.input-x:focus{
  outline:none;
  border-color:#9CC0EC;
  background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(156,192,236,.25);
}
.cta-band .privacy-note{
  font-size:12px;
  color:var(--c-text-3);
  margin-top:12px;
  text-align:right;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-brand-ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand strong{
  display:block;
  color:#fff;
  font-size:17px;
  font-weight:700;
}
.footer-brand span span{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:340px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col a,
.footer-col p{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:12px;
  transition:color var(--t);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom .disclaimer{
  flex:1 1 100%;
  font-size:12px;
  color:rgba(255,255,255,.42);
  line-height:1.8;
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:44px;
  height:44px;
  border-radius:50%;
  border:0;
  background:var(--c-brand);
  color:#fff;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t);
  z-index:1020;
  box-shadow:var(--sh-2);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-brand-dark);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .side-inner{position:static;margin-top:48px;}
  .side-card + .side-card{margin-top:20px;}
}
@media (max-width:991.98px){
  .nav-links,
  .nav-actions .btn-brand,
  .nav-actions .ui-badge{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{height:60px;}
  .brand{font-size:18px;}
  .section{padding:56px 0;}
  .article-title{font-size:30px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-form{width:100%;}
  .input-x{flex:1;width:auto;}
  .cta-band .privacy-note{text-align:left;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767.98px){
  .topbar-note{font-size:13px;line-height:1.5;}
  .countdown{display:none;}
  .container-x{padding:0 20px;}
  .article-title{font-size:28px;}
  .article-body{font-size:17px;}
  .article-body h2{font-size:21px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.align-right{text-align:left;}
  .post-nav-card.align-right .pn-dir{justify-content:flex-start;}
  .news-card{flex-direction:column;gap:14px;}
  .news-thumb{flex:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-form{flex-direction:column;}
  .input-x{width:100%;}
  .cta-form .btn-brand{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .bc-current{max-width:100%;}
}
@media (max-width:575.98px){
  .article-title{font-size:26px;}
  .cta-inner{border-radius:16px;padding:24px;}
  .to-top{right:16px;bottom:20px;}
}

/* roulang page: category1 */
:root{
  --c-brand:#1F5BA8;
  --c-brand-dark:#164A8C;
  --c-brand-ink:#0F2E57;
  --c-brand-soft:#EAF1FA;
  --c-accent:#C2603A;
  --c-accent-soft:#FBEDE6;
  --c-accent-light:#E88A62;
  --c-support:#4C6B63;
  --c-support-soft:#EAF0EE;
  --c-bg:#FBFBF9;
  --c-bg-alt:#F2F5F9;
  --c-surface:#FFFFFF;
  --c-text:#14181D;
  --c-text-2:#566070;
  --c-text-3:#8A93A1;
  --c-line:#E3E8EF;
  --c-success:#1E8A5F;
  --r-s:8px; --r-m:12px; --r-l:16px; --r-p:999px;
  --sh-1:0 1px 2px rgba(16,32,64,.05);
  --sh-2:0 8px 24px rgba(16,32,64,.07);
  --sh-3:0 16px 36px rgba(16,32,64,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"Roboto Mono","SF Mono",Menlo,Consolas,monospace;

  --bs-primary:#1F5BA8;
  --bs-primary-rgb:31,91,168;
  --bs-body-bg:#FBFBF9;
  --bs-body-color:#14181D;
  --bs-body-font-family:var(--font-sans);
  --bs-border-color:#E3E8EF;
  --bs-border-radius:12px;
  --bs-link-color:#1F5BA8;
  --bs-link-hover-color:#164A8C;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-brand-dark);}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:767px){.container-x{padding:0 20px;}}

/* ---------- 顶部状态条 ---------- */
.top-bar{background:var(--c-brand-ink);color:rgba(255,255,255,.86);font-size:14px;}
.top-bar .container-x{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.top-note{display:flex;align-items:center;gap:10px;min-width:0;}
.top-note .ui-badge{flex:0 0 auto;}
.top-note span.top-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.top-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.top-clock{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);}
.clock-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;color:var(--c-accent-light);letter-spacing:.02em;}
@media (max-width:767px){
  .top-clock{display:none;}
  .top-bar .container-x{justify-content:flex-start;}
}

/* ---------- 徽章 ---------- */
.ui-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-p);
  font-size:12.5px;font-weight:500;line-height:1.6;letter-spacing:.02em;
  white-space:nowrap;
}
.badge-soft{background:var(--c-brand-soft);color:var(--c-brand);}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-live{background:rgba(30,138,95,.12);color:var(--c-success);}
.badge-support{background:var(--c-support-soft);color:var(--c-support);}
.badge-dark{background:rgba(255,255,255,.12);color:#CFE0F7;}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.badge-live .dot{animation:pulse 2s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
@media (prefers-reduced-motion:reduce){.badge-live .dot{animation:none;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;flex:0 0 auto;
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:-.01em;}
.brand-text:hover{color:var(--c-brand);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;display:inline-block;
  font-size:16px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-brand);border-radius:2px;transition:width .25s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--c-brand);}
.nav-link:hover::after,.nav-link.active::after{width:20px;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-m);border:1px solid transparent;
  background:var(--c-brand);color:#fff;font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;transition:all .25s var(--ease);
}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-brand.btn-sm-brand{height:40px;padding:0 18px;font-size:14.5px;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-m);
  border:1px solid var(--c-brand);background:transparent;color:var(--c-brand);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-size:15px;font-weight:500;background:none;border:none;padding:0;cursor:pointer;
}
.btn-ghost .arrow{transition:transform .25s var(--ease);}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:3px;}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);
  align-items:center;justify-content:center;cursor:pointer;transition:all .22s var(--ease);
}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand);}
@media (max-width:991px){
  .nav-links{display:none;}
  .header-actions .btn-brand{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .brand-text{font-size:17px;}
}
.drawer{width:84% !important;max-width:360px;}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.drawer .offcanvas-body{padding:0;}
.drawer-link{
  display:flex;align-items:center;height:52px;padding:0 22px;
  font-size:16px;font-weight:500;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);transition:all .2s var(--ease);
}
.drawer-link:hover{background:var(--c-bg-alt);color:var(--c-brand);}
.drawer-link.active{color:var(--c-brand);background:var(--c-brand-soft);}
.drawer-foot{padding:22px;display:grid;gap:14px;}

/* ---------- 页头 ---------- */
.page-head{
  background:var(--c-bg-alt);
  border-bottom:1px solid var(--c-line);
  padding:34px 0 44px;
}
.breadcrumb-x{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--c-text-3);margin-bottom:20px;
}
.breadcrumb-x a{color:var(--c-text-3);}
.breadcrumb-x a:hover{color:var(--c-brand);}
.breadcrumb-x .sep{color:var(--c-line);}
.breadcrumb-x .current{color:var(--c-text);}
.page-head h1{font-size:38px;font-weight:800;letter-spacing:-.01em;max-width:860px;}
.page-head .lead{margin-top:18px;font-size:17px;color:var(--c-text-2);max-width:760px;line-height:1.85;}
.head-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--c-text-3);}
.head-meta .vline{width:1px;height:14px;background:var(--c-line);}
@media (max-width:991px){.page-head{padding:26px 0 34px;}.page-head h1{font-size:30px;}}
@media (max-width:575px){.page-head h1{font-size:26px;}.page-head .lead{font-size:15.5px;}}

/* ---------- 分类主体 3:9 ---------- */
.cat-wrap{padding:64px 0 0;}
.cat-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;}
.anchor-nav{position:sticky;top:104px;}
.anchor-title{font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--c-text-3);margin-bottom:14px;}
.anchor-list{list-style:none;display:grid;gap:4px;}
.anchor-link{
  display:block;padding:9px 12px;border-radius:var(--r-s);
  font-size:14.5px;color:var(--c-text-2);border-left:2px solid transparent;
  transition:all .22s var(--ease);
}
.anchor-link:hover{background:var(--c-surface);color:var(--c-brand);}
.anchor-link.active{color:var(--c-brand);background:var(--c-brand-soft);border-left-color:var(--c-brand);font-weight:500;}
.anchor-help{
  margin-top:24px;padding:18px;border-radius:var(--r-m);
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.anchor-help strong{display:block;font-size:14.5px;color:var(--c-text);margin-bottom:6px;}
.anchor-help p{font-size:13.5px;color:var(--c-text-3);line-height:1.7;}
@media (max-width:991px){
  .cat-wrap{padding:40px 0 0;}
  .cat-layout{grid-template-columns:1fr;gap:30px;}
  .anchor-nav{position:static;}
  .anchor-title,.anchor-help{display:none;}
  .anchor-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none;}
  .anchor-list::-webkit-scrollbar{display:none;}
  .anchor-link{
    white-space:nowrap;border-left:none;border:1px solid var(--c-line);
    background:var(--c-surface);border-radius:var(--r-p);padding:8px 16px;font-size:14px;
  }
  .anchor-link.active{border-color:var(--c-brand);}
}

/* ---------- 内容分组 ---------- */
.cat-group{padding-bottom:48px;margin-bottom:48px;border-bottom:1px solid var(--c-line);scroll-margin-top:104px;}
.cat-group:last-child{border-bottom:none;margin-bottom:0;}
.g-title{
  position:relative;font-size:24px;font-weight:700;padding-left:14px;margin-bottom:18px;
}
.g-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  background:var(--c-brand);border-radius:3px;
}
.g-text{font-size:16.5px;color:var(--c-text-2);line-height:1.9;margin-bottom:16px;max-width:820px;}
.g-text strong{color:var(--c-text);font-weight:700;}

.point-list{list-style:none;display:grid;gap:12px;margin-top:18px;max-width:820px;}
.point-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--c-text-2);line-height:1.8;}
.point-list li::before{
  content:"";position:absolute;left:6px;top:.68em;width:7px;height:7px;
  border-radius:2px;background:var(--c-brand);
}
.point-list li strong{color:var(--c-text);font-weight:600;}

.step-list{list-style:none;display:grid;gap:14px;margin-top:22px;max-width:820px;}
.step-list li{
  display:flex;gap:16px;padding:18px 20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);
  transition:all .25s var(--ease);
}
.step-list li:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step-num{
  flex:0 0 auto;height:28px;padding:0 10px;border-radius:8px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:13.5px;font-weight:700;line-height:28px;
}
.step-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}
.step-list p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}

.in-figure{margin:26px 0 0;max-width:820px;}
.in-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-l);box-shadow:var(--sh-2);background:var(--c-bg-alt);}
.in-figure figcaption{font-size:13px;color:var(--c-text-3);margin-top:10px;text-align:center;}

.table-wrap{
  margin-top:22px;border:1px solid var(--c-line);border-radius:var(--r-m);
  overflow-x:auto;background:var(--c-surface);box-shadow:var(--sh-1);
}
.tbl{width:100%;min-width:600px;border-collapse:collapse;font-size:15px;}
.tbl th{
  background:var(--c-bg-alt);text-align:left;font-weight:700;color:var(--c-text);
  padding:14px 18px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.tbl td{padding:14px 18px;border-bottom:1px solid var(--c-line);color:var(--c-text-2);}
.tbl tbody tr:last-child td{border-bottom:none;}
.tbl tbody tr:hover td{background:#FAFCFE;}
.tbl .hl{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}

/* ---------- 中段 CTA ---------- */
.mid-cta{
  margin-top:56px;padding:28px 32px;border-radius:var(--r-l);
  background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.mid-cta h2{font-size:20px;font-weight:700;margin-bottom:8px;}
.mid-cta p{font-size:15px;color:var(--c-text-2);max-width:640px;line-height:1.8;}

/* ---------- 相关入口 ---------- */
.rel-section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:24px;font-weight:700;}
.section-head p{font-size:15px;color:var(--c-text-3);margin-top:8px;}
.rel-grid{display:grid;gap:18px;}
.news-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;
  padding:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);color:inherit;
  transition:all .25s var(--ease);
}
.news-card:hover{box-shadow:var(--sh-2);background:var(--c-bg-alt);transform:translateY(-2px);color:inherit;}
.news-thumb{overflow:hidden;border-radius:var(--r-m);background:var(--c-bg-alt);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:grid;gap:8px;min-width:0;}
.news-body strong{font-size:17px;font-weight:700;color:var(--c-text);transition:color .22s var(--ease);}
.news-card:hover .news-body strong{color:var(--c-brand);}
.news-desc{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);}
@media (max-width:767px){
  .news-card{grid-template-columns:1fr;gap:14px;}
  .rel-section{padding:44px 0 0;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  width:44px;height:44px;border-radius:50%;border:none;
  background:var(--c-brand);color:#fff;display:grid;place-items:center;
  box-shadow:var(--sh-2);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .28s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-brand-dark);box-shadow:var(--sh-3);}
@media (max-width:767px){.to-top{right:16px;bottom:16px;width:40px;height:40px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:700;line-height:1.4;}
.footer-brand span span{display:block;font-size:13px;color:rgba(255,255,255,.5);margin-top:2px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.site-footer .badge-live{background:rgba(143,224,187,.14);color:#8FE0BB;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;color:rgba(255,255,255,.66);font-size:14.5px;padding:5px 0;transition:all .2s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact p{font-size:14.5px;color:rgba(255,255,255,.66);padding:5px 0;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.disclaimer{width:100%;font-size:12px;line-height:1.8;color:rgba(255,255,255,.42);margin-top:6px;}
@media (max-width:991px){
  .site-footer{padding:48px 0 24px;margin-top:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#1F5BA8;
  --c-brand-dark:#164A8C;
  --c-brand-ink:#0F2E57;
  --c-brand-soft:#EAF1FA;
  --c-accent:#C2603A;
  --c-accent-soft:#FBEDE6;
  --c-accent-bright:#EFA483;
  --c-support:#4C6B63;
  --c-bg:#FBFBF9;
  --c-bg-alt:#F2F5F9;
  --c-surface:#FFFFFF;
  --c-text:#14181D;
  --c-text-2:#566070;
  --c-text-3:#8A93A1;
  --c-line:#E3E8EF;
  --c-success:#1E8A5F;
  --c-success-bright:#5AD89B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,64,.05);
  --sh-2:0 8px 24px rgba(16,32,64,.07);
  --sh-3:0 16px 36px rgba(16,32,64,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1F5BA8;
  --bs-primary-rgb:31,91,168;
  --bs-body-bg:#FBFBF9;
  --bs-body-color:#14181D;
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-border-color:#E3E8EF;
  --bs-border-radius:12px;
  --bs-link-color:#1F5BA8;
  --bs-link-hover-color:#164A8C;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color .25s var(--ease),text-underline-offset .25s var(--ease)}
a:hover{color:var(--c-brand-dark);text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--c-text)}
p{margin:0 0 1em}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:2000}
.skip-link:focus{left:0;color:#fff}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部状态条 */
.topbar{background:var(--c-brand-ink);color:#fff;font-size:14px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:7px;padding-bottom:7px}
.topbar-note{display:flex;align-items:center;gap:8px;margin:0;color:rgba(255,255,255,.82);font-size:14px;line-height:1.5}
.topbar-note i{color:var(--c-accent-bright)}
.topbar-meta{display:flex;align-items:center;gap:18px}
.countdown{display:inline-flex;align-items:baseline;gap:3px;font-family:ui-monospace,SFMono-Regular,"Roboto Mono",Menlo,monospace;font-variant-numeric:tabular-nums;color:#fff;font-size:14px}
.cd-num{color:var(--c-accent-bright);font-weight:600;min-width:20px;display:inline-block;text-align:right}
.cd-lab{color:rgba(255,255,255,.6);font-size:12px;margin-right:6px}

/* 徽章与标签 */
.ui-badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);padding:6px 12px;font-size:13px;font-weight:500;line-height:1;letter-spacing:.02em;background:var(--c-brand-soft);color:var(--c-brand);white-space:nowrap}
.badge-live{background:rgba(30,138,95,.12);color:#146A49}
.badge-accent{background:var(--c-accent-soft);color:#94411F}
.badge-on-dark{background:rgba(255,255,255,.14);color:#EAF1FA}
.badge-muted{background:var(--c-bg-alt);color:var(--c-text-2)}
.badge-support{background:rgba(76,107,99,.12);color:#39534C}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse 2s var(--ease) infinite;flex:none}
.dot-green{color:var(--c-success-bright);background:var(--c-success-bright)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}

/* 导航 */
.site-nav{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);transition:box-shadow .25s var(--ease)}
.site-nav.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-text);text-decoration:none}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{width:32px;height:32px;flex:none;border-radius:10px;background:var(--c-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;line-height:1}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:17px;font-weight:500;color:var(--c-text-2);padding:6px 2px 10px;text-decoration:none}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--c-brand);border-radius:2px;transition:width .25s var(--ease)}
.nav-link:hover{color:var(--c-brand);text-decoration:none}
.nav-link:hover::after,.nav-link.active::after{width:20px}
.nav-link.active{color:var(--c-brand)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s var(--ease)}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand)}

/* 按钮 */
.btn-brand,.btn-outline-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:16px;font-weight:500;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all .25s var(--ease);white-space:nowrap;
}
.btn-brand{background:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);text-decoration:none;transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#A94F2D;color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-ghost{background:transparent;color:var(--c-brand);padding:0 10px;height:40px}
.btn-ghost:hover{background:var(--c-brand-soft);text-decoration:none}
.btn-sm-brand{height:40px;padding:0 18px;font-size:15px;border-radius:var(--r-md)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--c-brand)}
.link-arrow i{transition:transform .25s var(--ease)}
.link-arrow:hover{text-decoration:none;color:var(--c-brand-dark)}
.link-arrow:hover i{transform:translateX(3px)}
.link-arrow:hover span{text-decoration:underline;text-underline-offset:3px}

/* 页头 */
.page-hero{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);padding:44px 0 64px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:20px}
.crumb a{color:var(--c-text-3)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:#C7CFDB}
.crumb .current{color:var(--c-text)}
.page-hero h1{font-size:38px;font-weight:800;margin-bottom:16px;max-width:620px}
.hero-lead{font-size:17px;line-height:1.9;color:var(--c-text-2);max-width:600px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:28px}
.hero-meta .meta-item{font-size:14px;color:var(--c-text-3)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.hero-media .media-frame{aspect-ratio:4/3}
.hero-float{position:absolute;left:-20px;bottom:-20px;background:var(--c-surface);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-3);max-width:230px}
.hero-float .num{font-family:ui-monospace,SFMono-Regular,"Roboto Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--c-accent);line-height:1.2}
.hero-float .txt{font-size:13px;color:var(--c-text-2);line-height:1.6;margin-top:2px}
.media-frame{overflow:hidden;border-radius:var(--r-lg);background:var(--c-bg-alt);box-shadow:var(--sh-2);width:100%}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.media-frame:hover img{transform:scale(1.03)}

/* 数据条 */
.databar{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.databar-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.databar-item{padding:26px 24px;border-right:1px solid var(--c-line)}
.databar-item:last-child{border-right:0}
.databar-item .val{font-family:ui-monospace,SFMono-Regular,"Roboto Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--c-brand);line-height:1.3}
.databar-item .val em{font-style:normal;font-size:14px;font-weight:500;color:var(--c-text-2);margin-left:4px}
.databar-item .lab{font-size:14px;color:var(--c-text-3);margin-top:4px}

/* 板块 */
.section{padding:96px 0}
.section-alt{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-size:30px;font-weight:700;margin:14px 0 12px}
.section-head p{font-size:16px;color:var(--c-text-2);margin:0}
.kicker{display:inline-block;font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--c-brand);background:var(--c-brand-soft);padding:6px 12px;border-radius:var(--r-pill)}

/* 图文交替 */
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--c-line)}
.split-row:first-child{padding-top:0}
.split-row:last-child{border-bottom:0;padding-bottom:0}
.split-row.reverse .split-media{order:2}
.split-body h2{font-size:26px;font-weight:700;margin-bottom:14px;padding-left:14px;border-left:4px solid var(--c-brand)}
.split-body p{font-size:16px;color:var(--c-text-2);line-height:1.9;margin-bottom:0}
.points{list-style:none;margin:22px 0 0;display:grid;gap:12px}
.points li{position:relative;padding-left:28px;font-size:15px;color:var(--c-text-2);line-height:1.75}
.points li i{position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);font-size:10px;display:inline-flex;align-items:center;justify-content:center}
.split-body .link-arrow{margin-top:22px}

/* 对比表 */
.table-wrap{overflow-x:auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:700px;border-collapse:collapse;font-size:15px}
.compare th,.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--c-line);color:var(--c-text-2);vertical-align:middle}
.compare thead th{background:var(--c-bg-alt);color:var(--c-text);font-weight:700;font-size:15px;white-space:nowrap}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr{transition:background .25s var(--ease)}
.compare tbody tr:hover td{background:#FAFBFD}
.compare td.col-key{background:var(--c-brand-soft);color:var(--c-brand-dark);font-weight:500}
.compare td:first-child{color:var(--c-text);font-weight:500;white-space:nowrap}
.table-note{font-size:13px;color:var(--c-text-3);margin:14px 0 0}

/* 问答卡 */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.qa-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5DFED}
.qa-card h3{font-size:17px;font-weight:700;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa-card h3 i{color:var(--c-brand);font-size:15px;margin-top:4px}
.qa-card p{font-size:15px;color:var(--c-text-2);line-height:1.85;margin:0}

/* CTA 区 */
.cta-band{background:var(--c-brand-ink);color:#fff;border-radius:24px;padding:48px;display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;line-height:1.85}
.cta-form{display:flex;gap:12px}
.cta-form input{flex:1;height:48px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:15px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{outline:none;border-color:var(--c-accent-bright);box-shadow:0 0 0 3px rgba(239,164,131,.22)}
.form-tip{font-size:12px;color:rgba(255,255,255,.5);margin:12px 0 0}
.form-msg{font-size:13px;color:var(--c-accent-bright);margin:10px 0 0;display:none}
.form-msg.show{display:block}

/* 页脚 */
.site-footer{background:var(--c-brand-ink);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;gap:12px;align-items:flex-start;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);border-radius:10px}
.footer-brand strong{display:block;font-size:17px;font-weight:700;color:#fff;line-height:1.4}
.footer-brand span span{font-size:13px;color:rgba(255,255,255,.58)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:16px 0 0;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:6px 0}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.7);margin:0 0 8px}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.disclaimer{flex-basis:100%;font-size:12px;line-height:1.75;color:rgba(255,255,255,.45);margin:4px 0 0}

/* 抽屉 */
.offcanvas.nav-drawer{width:84%;max-width:340px;background:var(--c-surface);border-left:1px solid var(--c-line)}
.nav-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--c-line)}
.nav-drawer .offcanvas-body{padding:8px 20px 24px;display:flex;flex-direction:column}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.drawer-close:hover{background:var(--c-bg-alt);color:var(--c-brand)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:16px;font-weight:500;color:var(--c-text-2);border-bottom:1px solid var(--c-line);text-decoration:none}
.drawer-link:hover{color:var(--c-brand);text-decoration:none}
.drawer-link.active{color:var(--c-brand)}
.drawer-foot{margin-top:24px;display:grid;gap:14px}

/* 回到顶部 */
.back-to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;border:0;background:var(--c-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);cursor:pointer;z-index:1040;opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease),background .25s var(--ease)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--c-brand-dark)}

/* 响应式 */
@media (max-width:1199px){
  .container-x{padding:0 24px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-inner{min-height:64px}
  .brand-text{font-size:18px}
  .page-hero{padding:36px 0 48px}
  .page-hero h1{font-size:32px;max-width:100%}
  .hero-media{margin-top:32px}
  .hero-float{left:16px;bottom:-16px}
  .section{padding:72px 0}
  .split-row{grid-template-columns:1fr;gap:28px;padding:48px 0}
  .split-row.reverse .split-media{order:0}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .databar-grid{grid-template-columns:repeat(2,1fr)}
  .databar-item:nth-child(2){border-right:0}
  .databar-item:nth-child(1),.databar-item:nth-child(2){border-bottom:1px solid var(--c-line)}
}
@media (max-width:767px){
  .container-x{padding:0 20px}
  .topbar-note{font-size:13px}
  .countdown{display:none}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:16px}
  .qa-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 24px}
  .cta-band{padding:28px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-form{flex-direction:column}
  .cta-form .btn-accent{width:100%}
  .databar-item{padding:20px 16px}
  .hero-btns .btn-brand,.hero-btns .btn-outline-brand{width:100%}
  .back-to-top{display:none}
}
@media (max-width:575px){
  .brand-text{font-size:16px}
  .databar-grid{grid-template-columns:1fr 1fr}
  .databar-item .val{font-size:20px}
  .qa-card{padding:20px}
}