/* roulang page: index */
:root{
  --c-primary:#0E5AA7;
  --c-primary-dark:#0A3F78;
  --c-primary-light:#E8F1FB;
  --c-bg:#F5F9FE;
  --c-accent:#FF7A2E;
  --c-accent-light:#FFF1E8;
  --c-success:#12A594;
  --c-warn:#E0A400;
  --c-title:#131C2B;
  --c-body:#4A5A6E;
  --c-muted:#8A97A8;
  --c-border:#E4EAF2;
  --c-divider:#EFF3F8;
  --c-white:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --r-btn:10px;
  --sh-card:0 6px 20px rgba(14,90,167,.08);
  --sh-card-hover:0 14px 32px rgba(14,90,167,.14);
  --sh-float:0 18px 48px rgba(10,63,120,.16);
  --ease:cubic-bezier(.2,.6,.3,1);
  --t:220ms var(--ease);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{color:var(--c-title);letter-spacing:-.01em;margin:0}
h1{font-size:40px;line-height:1.25;font-weight:700}
h2{font-size:28px;line-height:1.35;font-weight:600}
h3{font-size:19px;line-height:1.5;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
.num{font-family:Inter,"PingFang SC",system-ui,sans-serif;font-weight:600}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:88px 0}
.section-alt{background:var(--c-white)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);background:var(--c-primary-light);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px}
.section-head p{max-width:620px;margin:10px 0 0;font-size:15px;color:var(--c-muted)}

/* ---------- 按钮 ---------- */
.btn-main,.btn-line,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--t);white-space:nowrap}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,90,167,.22)}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(10,63,120,.26)}
.btn-line{background:#fff;border-color:var(--c-border);color:var(--c-primary)}
.btn-line:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:#c9dcf2;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:#c9dcf2;color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-main:disabled,.btn-line:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:var(--r-sm)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more svg{transition:transform var(--t)}
.link-more:hover svg{transform:translateX(3px)}
.link-more:hover{color:var(--c-primary-dark)}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{display:inline-flex;align-items:center;height:25px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-primary-light);color:var(--c-primary);font-size:12.5px;font-weight:600}
.badge-accent{background:var(--c-accent-light);color:#D95F13}
.badge-ok{background:rgba(18,165,148,.12);color:#0E8A7C}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-primary-light);min-height:40px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;gap:12px;justify-content:space-between;font-size:13.5px;color:var(--c-primary-dark)}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:none;box-shadow:0 0 0 4px rgba(255,122,46,.16)}
.topbar-close{background:none;border:0;color:var(--c-primary);opacity:.7;cursor:pointer;line-height:1;padding:4px 6px;border-radius:6px}
.topbar-close:hover{opacity:1;background:rgba(14,90,167,.1)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-border);transition:box-shadow 200ms var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(14,90,167,.1)}
.site-nav{min-height:72px;padding:0;display:flex;align-items:center}
.site-nav .container{display:flex;align-items:center;gap:20px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));display:grid;place-items:center;color:#fff;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:18px;font-weight:700;color:var(--c-title)}
.brand-sub{font-size:11px;color:var(--c-muted);letter-spacing:.14em}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto}
.nav-item{position:relative;padding:6px 4px;font-size:15px;color:var(--c-body);font-weight:500}
.nav-item span{display:inline-block;padding:6px 10px;border-radius:var(--r-sm);transition:all var(--t)}
.nav-item:hover span{color:var(--c-primary);background:var(--c-primary-light)}
.nav-item.active span{color:var(--c-primary);font-weight:600}
.nav-item.active::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:var(--c-primary);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.search-pill{display:flex;align-items:center;gap:8px;background:#F1F6FC;border:1px solid transparent;border-radius:var(--r-pill);padding:0 16px;height:42px;width:216px;transition:all var(--t)}
.search-pill:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,90,167,.12)}
.search-pill svg{flex:none;color:var(--c-muted)}
.search-pill input{border:0;background:transparent;outline:none;font-size:14px;width:100%;color:var(--c-title)}
.search-pill input::placeholder{color:var(--c-muted)}
.navbar-toggler{border:1px solid var(--c-border);border-radius:var(--r-sm);padding:8px 10px;background:#fff}
.navbar-toggler:focus{box-shadow:0 0 0 4px rgba(14,90,167,.12);outline:none}
.offcanvas{background:#fff;width:320px}
.offcanvas-header{border-bottom:1px solid var(--c-border);padding:18px 20px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;color:var(--c-title);border-bottom:1px solid var(--c-divider)}
.drawer-link.active{color:var(--c-primary);font-weight:600}
@media (min-width:992px){
  .nav-drawer{position:static;transform:none!important;visibility:visible!important;background:transparent;border:0;width:auto;height:auto;display:flex;flex:1 1 auto;padding:0;box-shadow:none}
  .nav-drawer .offcanvas-header,.nav-drawer .drawer-extra{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-bg) url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.92) 42%,rgba(232,241,251,.78) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:84px 0 80px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;color:var(--c-primary);font-weight:600;margin-bottom:20px;box-shadow:var(--sh-card)}
.hero h1{font-size:42px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-lead{font-size:17px;color:var(--c-body);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-top:1px solid var(--c-border);padding-top:22px}
.hero-stats .stat-num{font-size:24px;color:var(--c-primary-dark)}
.hero-stats .stat-num i{font-style:normal;font-size:14px;color:var(--c-muted);font-weight:500}
.hero-stats .stat-label{font-size:13px;color:var(--c-muted)}
.hero-visual{position:relative}
.hero-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-float);overflow:hidden}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.hero-card-body{padding:20px 22px}
.hero-card-body h3{font-size:17px;margin-bottom:6px}
.hero-card-body p{font-size:13.5px;color:var(--c-muted);margin:0}
.hero-tag-float{position:absolute;left:-18px;bottom:32px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-card-hover);padding:12px 16px;display:flex;align-items:center;gap:10px}
.hero-tag-float .dot-ok{width:10px;height:10px;border-radius:50%;background:var(--c-success)}
.hero-tag-float span{font-size:13px;color:var(--c-title);font-weight:600}

/* ---------- 非对称内容网格 ---------- */
.feature-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;grid-template-rows:auto auto;gap:24px}
.f-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);transition:all var(--t);display:flex;flex-direction:column}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.f-card-lg{grid-row:span 2;padding:0;overflow:hidden}
.f-card-lg .f-media{overflow:hidden}
.f-card-lg .f-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--t)}
.f-card-lg:hover .f-media img{transform:scale(1.04)}
.f-card-lg .f-body{padding:26px}
.f-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-light);display:grid;place-items:center;color:var(--c-primary);margin-bottom:16px}
.f-card h3{margin-bottom:10px}
.f-card p{font-size:14.5px;margin-bottom:16px}
.f-card .link-more{margin-top:auto}

/* ---------- 权益横滑 ---------- */
.perk-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.perk-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:all var(--t)}
.perk-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.perk-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.perk-body{padding:20px}
.perk-body h3{font-size:16.5px;margin:10px 0 8px}
.perk-body p{font-size:13.5px;color:var(--c-muted);margin:0}

/* ---------- 进度轨 ---------- */
.progress-panel{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:36px 34px;display:grid;grid-template-columns:1fr 220px;gap:40px;align-items:center}
.track{position:relative;padding-top:6px}
.track::before{content:"";position:absolute;top:11px;left:6%;right:6%;height:8px;border-radius:var(--r-pill);background:var(--c-border)}
.track-fill{position:absolute;top:11px;left:6%;height:8px;border-radius:var(--r-pill);background:var(--c-primary)}
.track-nodes{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;text-align:center}
.track-nodes li{display:flex;flex-direction:column;align-items:center;gap:12px}
.node-dot{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid #CFDDEC;position:relative;z-index:1;margin-top:6px}
.track-nodes li.done .node-dot{background:var(--c-primary);border-color:var(--c-primary);box-shadow:0 0 0 5px rgba(14,90,167,.14)}
.track-nodes li.current .node-dot{background:#fff;border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(255,122,46,.18)}
.node-label{font-size:13.5px;color:var(--c-title);font-weight:600}
.node-sub{font-size:12px;color:var(--c-muted)}
.progress-side{border-left:1px solid var(--c-divider);padding-left:32px}
.progress-side .stage-badge{margin-bottom:14px}
.progress-side .pct{font-size:38px;color:var(--c-primary-dark);line-height:1}
.progress-side .pct small{font-size:16px;color:var(--c-muted);font-weight:500}
.progress-side p{font-size:13.5px;color:var(--c-muted);margin:12px 0 0}

/* ---------- 资讯卡 ---------- */
.news-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:all var(--t);height:100%;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.news-cover{display:block;overflow:hidden;background:var(--c-primary-light)}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--t)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--c-title)}
.news-body h3 a:hover{color:var(--c-primary)}
.news-body p{font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted);border-top:1px solid var(--c-divider);padding-top:14px}
.empty-state{border:1px dashed var(--c-border);border-radius:var(--r-card);background:#fff;padding:56px 24px;text-align:center}
.empty-state svg{color:#B9C9DC;margin-bottom:16px}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:20px}

/* ---------- 数据/信任 ---------- */
.proof{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.proof-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card)}
.proof-item .num{font-size:30px;color:var(--c-primary-dark)}
.proof-item .num span{font-size:15px;color:var(--c-muted);font-weight:500;margin-left:2px}
.proof-item .label{font-size:14px;color:var(--c-title);font-weight:600;margin:8px 0 6px}
.proof-item .desc{font-size:13px;color:var(--c-muted)}
.quote-panel{margin-top:24px;background:var(--c-primary-light);border-radius:var(--r-lg);padding:28px 32px;display:flex;gap:22px;align-items:flex-start}
.quote-panel svg{color:var(--c-primary);flex:none}
.quote-panel p{font-size:15px;color:var(--c-primary-dark);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{border:1px solid var(--c-border);border-radius:var(--r-card)!important;background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card)}
.accordion-button{font-size:16.5px;font-weight:600;color:var(--c-title);background:#fff;padding:20px 24px 20px 28px;border:0;position:relative;box-shadow:none!important}
.accordion-button::before{content:"";position:absolute;left:14px;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--c-border);transition:background var(--t)}
.accordion-button:not(.collapsed){color:var(--c-primary);background:#fff}
.accordion-button:not(.collapsed)::before{background:var(--c-primary)}
.accordion-button::after{background-image:none;content:"";width:9px;height:9px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform var(--t);margin-top:-4px}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.accordion-body{padding:0 24px 22px 28px;font-size:14.5px;line-height:1.8;color:var(--c-body)}

/* ---------- CTA 横幅 ---------- */
.cta-banner{position:relative;background:var(--c-primary-light);border:1px solid #D7E7F8;border-radius:var(--r-lg);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden}
.cta-banner::after{content:"";position:absolute;inset:0;background-image:linear-gradient(#DCE9F8 1px,transparent 1px),linear-gradient(90deg,#DCE9F8 1px,transparent 1px);background-size:38px 38px;opacity:.55;pointer-events:none}
.cta-banner>*{position:relative;z-index:1}
.cta-banner h2{font-size:26px;margin-bottom:10px}
.cta-banner p{margin:0;font-size:15px;color:var(--c-body);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:#fff;margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-top:8px;border-top:1px solid rgba(255,255,255,.16);padding-top:44px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.site-footer p,.site-footer a,.site-footer li{color:rgba(255,255,255,.78);font-size:14px}
.site-footer a:hover{color:#fff}
.site-footer ul li{margin-bottom:10px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-icons{display:flex;gap:10px;margin-top:18px}
.footer-icons span{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#fff;transition:background var(--t)}
.footer-icons span:hover{background:rgba(255,255,255,.2)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:36px}
  .hero h1{font-size:36px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .f-card-lg{grid-column:span 2;grid-row:auto}
  .perk-rail{grid-template-columns:repeat(2,1fr)}
  .proof{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .nav-menu{display:none}
  .site-nav{min-height:64px}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 60px}
  .hero-visual{max-width:560px}
  .progress-panel{grid-template-columns:1fr;gap:26px;padding:28px}
  .progress-side{border-left:0;border-top:1px solid var(--c-divider);padding-left:0;padding-top:22px}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  body{font-size:15px}
  h1,.hero h1{font-size:30px}
  h2{font-size:23px}
  .section{padding:44px 0}
  .search-pill{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .feature-grid{grid-template-columns:1fr}
  .f-card-lg{grid-column:auto}
  .perk-rail{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
  .perk-rail::-webkit-scrollbar{display:none}
  .perk-card{min-width:82%;scroll-snap-align:start}
  .proof{grid-template-columns:1fr}
  .track-nodes{grid-template-columns:repeat(3,1fr);gap:18px 8px}
  .track::before,.track-fill{display:none}
  .node-dot{margin-top:0}
  .btn-main,.btn-line{width:100%}
  .hero-cta{flex-direction:column}
  .quote-panel{flex-direction:column;gap:12px;padding:24px}
  .site-footer{margin-top:56px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .brand-name{font-size:16px}
  .hero-tag-float{left:0}
  .topbar .container{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .f-card:hover,.news-card:hover,.perk-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0E5AA7;
  --brand-dark:#0A3F78;
  --brand-light:#E8F1FB;
  --bg-soft:#F5F9FE;
  --accent:#FF7A2E;
  --accent-soft:#FFF0E6;
  --ok:#12A594;
  --warn:#E0A400;
  --ink:#131C2B;
  --text:#4A5A6E;
  --muted:#8A97A8;
  --line:#E4EAF2;
  --line-soft:#EFF3F8;
  --field:#F1F6FC;
  --r-sm:8px;
  --r-md:12px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(14,90,167,.08);
  --sh-hover:0 14px 32px rgba(14,90,167,.14);
  --sh-float:0 18px 48px rgba(10,63,120,.16);
  --ease:cubic-bezier(.2,.6,.3,1);
  --tr:220ms var(--ease);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-soft);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:600;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;padding:0 20px;margin:0 auto;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ============ 顶部公告条 ============ */
.top-bar{
  background:var(--brand-light);
  border-bottom:1px solid rgba(14,90,167,.08);
}
.top-bar .container{
  min-height:40px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.top-bar-note{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--brand-dark);}
.dot-live{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,122,46,.16);flex:none;
}
.top-bar-close{
  border:0;background:transparent;color:var(--muted);cursor:pointer;
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  transition:background var(--tr),color var(--tr);
}
.top-bar-close:hover{background:rgba(14,90,167,.08);color:var(--brand-dark);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,90,167,.10);}
.site-nav{padding:0;background:#fff;}
.site-nav .container{
  height:72px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);
  border:1px solid rgba(14,90,167,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.16em;color:var(--muted);}
.nav-menu{display:flex;align-items:center;gap:6px;margin:0;}
.nav-item a{
  display:inline-flex;align-items:center;position:relative;
  padding:10px 12px;font-size:15px;color:var(--text);border-radius:var(--r-sm);
  transition:color var(--tr),background var(--tr);
}
.nav-item a:hover{color:var(--brand);background:var(--bg-soft);}
.nav-item.active a{color:var(--brand);font-weight:600;}
.nav-item.active a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-pill{
  display:flex;align-items:center;gap:8px;
  background:var(--field);border:1px solid transparent;
  border-radius:var(--r-pill);padding:0 14px;height:40px;min-width:212px;
  color:var(--muted);transition:background var(--tr),border-color var(--tr),box-shadow var(--tr);
  margin:0;
}
.search-pill input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-pill input::placeholder{color:var(--muted);}
.search-pill:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,90,167,.14);
}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-size:14px;font-weight:600;
  padding:12px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--tr),background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,90,167,.20);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,90,167,.24);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:15px;}
.btn-main:disabled,.btn-ghost:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.navbar-toggler{
  border:1px solid var(--line);background:#fff;border-radius:10px;
  width:42px;height:42px;display:grid;place-items:center;
}
.navbar-toggler:focus{box-shadow:none;}
.nav-drawer{width:308px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:18px 20px 28px;}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--r-md);color:var(--ink);font-size:15px;
  border:1px solid transparent;
}
.drawer-list a:hover{background:var(--bg-soft);color:var(--brand);}
.drawer-list a.active{background:var(--brand-light);color:var(--brand);font-weight:600;border-color:rgba(14,90,167,.16);}
.drawer-foot{display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn-main,.drawer-foot .btn-ghost{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line-soft);}
.crumb-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;flex-wrap:wrap;
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;}
.breadcrumb-list li+li::before{content:"/";color:#C6D2E0;}
.breadcrumb-list a{color:var(--muted);}
.breadcrumb-list a:hover{color:var(--brand);}
.breadcrumb-list .current{color:var(--brand);font-weight:600;}
.crumb-side{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:14px;}
.crumb-side a{color:var(--brand);}

/* ============ 文章头部 ============ */
.article-top{background:#fff;padding:44px 0 36px;}
.article-head{max-width:840px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand);
  font-size:12.5px;font-weight:600;
}
.badge-cat.is-accent{background:var(--accent-soft);color:#C8531A;}
.article-head h1{
  font-size:40px;line-height:1.25;font-weight:700;
  margin:18px 0 16px;word-break:break-word;
}
.article-lead{font-size:17px;line-height:1.8;color:var(--text);margin:0 0 20px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--muted);}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:#C6D2E0;}
.article-meta strong{color:var(--ink);font-weight:600;}

.article-cover{margin:0 0 40px;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--brand-light);
}
.article-cover figcaption{
  text-align:center;font-size:13px;color:var(--muted);margin-top:10px;
}

/* ============ 主体布局 ============ */
.layout{
  padding:0 0 88px;
}
.layout-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;align-items:start;
}
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:40px 44px;
}
.article-titleline{
  display:flex;align-items:center;gap:10px;margin-bottom:22px;
  font-size:13px;color:var(--muted);
}
.article-titleline::after{
  content:"";flex:1;height:1px;background:var(--line-soft);
}

.article-body{max-width:820px;font-size:16.5px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--brand-dark);}
.article-body h4{font-size:17px;margin:22px 0 10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:.5em;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:2px;
  background:var(--brand);opacity:.75;
}
.article-body ol{counter-reset:num;}
.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:.5em;counter-increment:num;
}
.article-body ol li::before{
  content:counter(num);position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:6px;background:var(--brand-light);
  color:var(--brand);font-family:var(--font-num);font-size:11px;font-weight:600;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-light);
  border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--brand-dark);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px 0 8px;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin-bottom:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}
.article-body tbody tr:hover{background:var(--line-soft);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{
  font-family:var(--font-num);background:var(--line-soft);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--brand-dark);
}

/* 无内容空态 */
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:var(--bg-soft);
}
.empty-state svg{color:#B7C7DA;margin-bottom:16px;}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

/* 标签与翻页 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;padding-top:24px;border-top:1px solid var(--line-soft);}
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--bg-soft);border:1px solid var(--line);
  font-size:12.5px;color:var(--text);
}
.tag-pill:hover{background:var(--brand-light);color:var(--brand);border-color:rgba(14,90,167,.2);}
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line-soft);
}
.post-nav a{
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;
  background:#fff;transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.post-nav a:hover{box-shadow:var(--sh-card);transform:translateY(-2px);border-color:rgba(14,90,167,.22);}
.post-nav span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.post-nav strong{font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.5;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:9px 12px;border-left:2px solid var(--line);
  font-size:14px;color:var(--text);border-radius:0 var(--r-sm) var(--r-sm) 0;
  transition:all var(--tr);
}
.toc-list a:hover{background:var(--bg-soft);color:var(--brand);border-left-color:rgba(14,90,167,.4);}
.toc-list a.active{background:var(--brand-light);color:var(--brand);border-left-color:var(--brand);font-weight:600;}
.hot-list li+li{border-top:1px solid var(--line-soft);}
.hot-list a{display:flex;gap:12px;padding:12px 0;align-items:flex-start;}
.hot-list .idx{
  font-family:var(--font-num);font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:6px;width:22px;height:22px;
  display:grid;place-items:center;flex:none;margin-top:2px;
}
.hot-list .ttl{font-size:14px;color:var(--ink);line-height:1.6;}
.hot-list a:hover .ttl{color:var(--brand);}
.side-cta{
  background:linear-gradient(180deg,#fff 0%,var(--brand-light) 100%);
  border:1px solid rgba(14,90,167,.16);
}
.side-cta p{font-size:14px;color:var(--text);margin-bottom:16px;}
.side-cta .btn-main{width:100%;}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 88px;background:#fff;border-top:1px solid var(--line-soft);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{font-size:28px;}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);}
.link-more svg{transition:transform var(--tr);}
.link-more:hover svg{transform:translateX(3px);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,90,167,.18);}
.news-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--brand-light);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.news-card:hover .thumb img{transform:scale(1.04);}
.news-card .thumb .badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:17.5px;line-height:1.55;font-weight:600;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{
  font-size:14px;color:var(--text);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.news-card .foot a{color:var(--brand);font-weight:600;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--brand-light);
  background-image:linear-gradient(rgba(14,90,167,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,90,167,.05) 1px,transparent 1px);
  background-size:28px 28px;
  border-top:1px solid rgba(14,90,167,.12);
  padding:56px 0;
}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:8px;}
.cta-band p{margin:0;font-size:15px;color:var(--text);}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.82);padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:40px;border-top:1px solid rgba(255,255,255,.16);
  padding-top:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer .brand-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#fff;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.55);}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.7);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul li{font-size:14px;color:rgba(255,255,255,.7);}
.site-footer a{color:rgba(255,255,255,.78);}
.site-footer a:hover{color:#fff;}
.footer-icons{display:flex;gap:10px;margin-top:18px;}
.footer-icons span{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .layout-grid{grid-template-columns:1fr;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 280px;}
}
@media (max-width:991px){
  .site-nav .container{height:64px;}
  .article-head h1{font-size:30px;}
  .article-shell{padding:28px 24px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .related{padding:56px 0 64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .side-col{display:grid;grid-template-columns:1fr;}
}
@media (max-width:767px){
  .article-top{padding:32px 0 26px;}
  .article-head h1{font-size:25px;}
  .article-lead{font-size:15.5px;}
  .layout{padding-bottom:56px;}
  .article-shell{padding:22px 18px;border-radius:var(--r-md);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .post-nav{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 0;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn-main,.cta-band .actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;padding-top:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:23px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .crumb-side{display:none;}
  .article-head h1{font-size:22.5px;}
  .article-body{font-size:15.5px;}
  .article-body table{font-size:14px;}
  .search-pill{min-width:0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .news-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#0E5AA7;
  --brand-dark:#0A3F78;
  --brand-light:#E8F1FB;
  --bg-soft:#F5F9FE;
  --accent:#FF7A2E;
  --accent-soft:#FFF1E7;
  --success:#12A594;
  --warn:#E0A400;
  --ink:#131C2B;
  --text:#4A5A6E;
  --muted:#8A97A8;
  --line:#E4EAF2;
  --split:#EFF3F8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(14,90,167,.08);
  --sh-hover:0 14px 32px rgba(14,90,167,.14);
  --sh-float:0 18px 48px rgba(10,63,120,.16);
  --ease:cubic-bezier(.2,.6,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:-0.01em}
h1{font-size:38px;line-height:1.25;font-weight:700}
h2{font-size:28px;line-height:1.35}
h3{font-size:19px;line-height:1.45}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,90,167,.08)}
.site-nav{height:72px;padding:0}
.site-nav .container{display:flex;align-items:center;gap:20px;height:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-0.01em}
.brand-sub{font-family:Inter,sans-serif;font-size:10px;letter-spacing:.16em;color:var(--muted)}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-item{position:relative}
.nav-item a{
  display:inline-block;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--text);
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.nav-item a:hover{color:var(--brand);background:var(--bg-soft)}
.nav-item.active a{color:var(--brand);font-weight:600}
.nav-item.active a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-pill{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:#F1F6FC;border:1px solid transparent;color:var(--muted);
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.search-pill input{
  border:0;background:transparent;outline:none;
  font-size:14px;width:180px;color:var(--ink);
}
.search-pill input::placeholder{color:var(--muted)}
.search-pill:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,90,167,.12)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(10,63,120,.22)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:#fff;color:var(--brand);border:1px solid var(--line);
  border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-ghost:hover{background:var(--brand-light);border-color:#C9DEF5;color:var(--brand);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-main.btn-sm,.btn-ghost.btn-sm{height:40px}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform 220ms var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow:hover{color:var(--brand-dark)}
.navbar-toggler{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;display:grid;place-items:center;
}
.navbar-toggler:focus{box-shadow:0 0 0 4px rgba(14,90,167,.12);outline:none}
.nav-drawer{width:300px;border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.nav-drawer .offcanvas-body{padding:18px 20px}
.nav-menu-mobile{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.nav-menu-mobile a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15px;color:var(--text);
}
.nav-menu-mobile .active a{background:var(--brand-light);color:var(--brand);font-weight:600}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--split)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);list-style:none}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C6D2E0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:72px 0 80px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F5F9FE 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(14,90,167,.06) 1px,transparent 1px);
  background-size:88px 100%;
  opacity:.55;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand);
  border-radius:var(--r-pill);padding:6px 14px;
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{margin-bottom:16px}
.hero h1 .hl{color:var(--brand)}
.hero-lead{font-size:17px;color:var(--text);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta-item strong{
  display:block;font-family:Inter,sans-serif;font-size:22px;font-weight:600;color:var(--brand-dark);
  line-height:1.3;
}
.hero-meta-item span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:var(--sh-float);background:var(--brand-light);
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float .tick{
  width:34px;height:34px;border-radius:10px;background:#E6F6F3;color:var(--success);
  display:grid;place-items:center;flex:0 0 auto;
}
.hero-float strong{display:block;font-size:14px;color:var(--ink)}
.hero-float span{font-size:12px;color:var(--muted)}

/* ---------- filter strip ---------- */
.filter-strip{background:#fff;padding:0 0 8px;margin-top:-34px;position:relative;z-index:3}
.filter-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-card);padding:18px 22px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.filter-label{font-size:13px;color:var(--muted);flex:0 0 auto}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--bg-soft);border:1px solid var(--line);
  font-size:14px;color:var(--text);cursor:pointer;
  transition:all 220ms var(--ease);
}
.pill:hover{border-color:#C9DEF5;color:var(--brand);background:var(--brand-light)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.02em;margin-bottom:12px;
}
.section-head h2{margin-bottom:14px}
.section-head p{margin:0;color:var(--text);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- capability grid (2 x 3) ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D5E4F6}
.cap-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;margin-bottom:18px;
}
.cap-card h3{margin-bottom:10px;font-size:18px}
.cap-card p{font-size:14.5px;margin-bottom:14px;color:var(--text)}
.cap-tag{
  display:inline-block;height:24px;line-height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;
}
.cap-tag.accent{background:var(--accent-soft);color:#C85714}

/* ---------- coverage split ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.split h2{margin-bottom:16px}
.split-note{font-size:15px;color:var(--muted);margin-bottom:0}
.cover-list{display:grid;gap:16px}
.cover-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--sh-card);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.cover-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.cover-item .num{
  font-family:Inter,sans-serif;font-size:14px;font-weight:600;color:var(--brand);
  width:32px;height:32px;border-radius:9px;background:var(--brand-light);
  display:grid;place-items:center;flex:0 0 auto;
}
.cover-item h3{font-size:17px;margin-bottom:6px}
.cover-item p{margin:0;font-size:14.5px}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-card);height:100%;
  display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.scene-thumb{position:relative;overflow:hidden;background:var(--brand-light)}
.scene-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 220ms var(--ease)}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-thumb .badge-soft{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--brand);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;
}
.scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.scene-body h3{font-size:18px;margin-bottom:10px}
.scene-body p{font-size:14.5px;margin-bottom:16px}
.scene-body .link-arrow{margin-top:auto}

/* ---------- table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;min-width:680px}
table.cmp th,table.cmp td{
  padding:16px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--split);
}
table.cmp thead th{
  background:var(--brand-light);color:var(--brand-dark);
  font-weight:600;font-size:14px;letter-spacing:.01em;
  border-bottom:1px solid #D8E6F7;
}
table.cmp tbody tr{transition:background 200ms var(--ease)}
table.cmp tbody tr:hover{background:#FAFCFF}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{font-weight:600;color:var(--ink)}
.state-ok{display:inline-flex;align-items:center;gap:6px;color:var(--success);font-size:13px;font-weight:600}
.state-ok::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
.state-wait{display:inline-flex;align-items:center;gap:6px;color:var(--warn);font-size:13px;font-weight:600}
.state-wait::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--warn)}

/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:16.5px;font-weight:600;
  padding:20px 24px;border-left:3px solid transparent;box-shadow:none;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--bg-soft);color:var(--brand);border-left-color:var(--brand);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid rgba(14,90,167,.35);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  width:18px;height:18px;background-size:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230E5AA7' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 6l4.5 4.5L12.5 6'/%3E%3C/svg%3E");
  transition:transform 220ms var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230E5AA7' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 6l4.5 4.5L12.5 6'/%3E%3C/svg%3E");
}
.faq-accordion .accordion-body{padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--text);background:#fff}

/* ---------- cta ---------- */
.cta-band{
  background:
    repeating-linear-gradient(0deg,rgba(14,90,167,.05) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(90deg,rgba(14,90,167,.05) 0 1px,transparent 1px 26px),
    var(--brand-light);
  border:1px solid #D6E6F8;
  border-radius:var(--r-xl);
  padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{margin:0;font-size:15.5px;max-width:640px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:#D7E3F2;margin-top:0;padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-top:1px solid rgba(255,255,255,.16);padding-top:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.7);max-width:320px;margin-bottom:18px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a,.site-footer ul li span{font-size:14px;color:rgba(255,255,255,.72);transition:color 200ms var(--ease)}
.site-footer ul a:hover{color:#fff}
.footer-icons{display:flex;gap:10px}
.footer-icons span{
  width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);
  display:grid;place-items:center;color:#fff;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:38px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid > div:last-child{grid-column:span 3}
}
@media (max-width:991px){
  h1{font-size:32px}
  h2{font-size:24px}
  .site-nav{height:64px}
  .section{padding:64px 0}
  .hero{padding:52px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{aspect-ratio:16/10}
  .hero-float{left:14px;bottom:14px}
  .cap-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .scene-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:34px 30px}
  .filter-strip{margin-top:-24px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  h1{font-size:28px}
  h2{font-size:22px}
  .section{padding:44px 0}
  .hero{padding:40px 0 48px}
  .hero-meta{gap:18px}
  .cap-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:span 2}
  .site-footer{padding-top:44px}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 18px}
  .faq-accordion .accordion-body{padding:0 18px 18px}
}
@media (max-width:575px){
  body{font-size:15px}
  h1{font-size:25px}
  .hero-lead{font-size:16px}
  .cap-card{padding:22px 18px}
  .scene-body{padding:18px 18px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid > div:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#0E5AA7;
  --brand-dark:#0A3F78;
  --brand-light:#E8F1FB;
  --bg:#F5F9FE;
  --accent:#FF7A2E;
  --accent-light:#FFF1E7;
  --ok:#12A594;
  --warn:#E0A400;
  --title:#131C2B;
  --text:#4A5A6E;
  --muted:#8A97A8;
  --border:#E4EAF2;
  --line:#EFF3F8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(14,90,167,.08);
  --sh-hover:0 14px 32px rgba(14,90,167,.14);
  --sh-float:0 18px 48px rgba(10,63,120,.16);
  --ease:cubic-bezier(.2,.6,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--title);letter-spacing:-.01em;line-height:1.3}
h1{font-size:40px;font-weight:700}
h2{font-size:28px;font-weight:600}
h3{font-size:19px;font-weight:600}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
.num{font-family:"Inter","PingFang SC",system-ui,sans-serif;font-weight:600}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,90,167,.10)}
.site-nav{background:transparent;padding:0}
.site-nav .container{display:flex;align-items:center;gap:18px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:var(--r-md);
  background:var(--brand);color:#fff;display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:700;color:var(--title);letter-spacing:-.01em}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--muted);font-family:"Inter",sans-serif}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-item a{
  position:relative;display:block;padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text);font-weight:500;
  transition:background 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.nav-item a:hover{background:var(--brand-light);color:var(--brand)}
.nav-item.active a{color:var(--brand);font-weight:600}
.nav-item.active a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search-pill{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  background:#F1F6FC;color:var(--muted);border:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.search-pill input{
  border:0;background:transparent;outline:none;width:158px;
  font-size:13px;color:var(--title);
}
.search-pill input::placeholder{color:var(--muted)}
.search-pill:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,90,167,.12);
}
.btn-ghost,.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:10px;font-size:14px;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  white-space:nowrap;
}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);border-color:#CFE1F5;color:var(--brand-dark);transform:translateY(-1px)}
.btn-main{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(14,90,167,.20)}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(10,63,120,.24)}
.btn-main:disabled,.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-lg-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  box-shadow:0 6px 16px rgba(14,90,167,.22);
  transition:transform 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-lg-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(10,63,120,.26)}
.btn-lg-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-size:15px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid var(--border);
  transition:transform 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-lg-ghost:hover{background:var(--brand-light);border-color:#CFE1F5;color:var(--brand-dark);transform:translateY(-1px)}
.navbar-toggler{
  border:1px solid var(--border);border-radius:10px;background:#fff;
  width:42px;height:40px;display:grid;place-items:center;padding:0;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.nav-drawer{width:308px;border-left:1px solid var(--border)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.nav-drawer .offcanvas-body{padding:18px 20px}
.drawer-menu li+li{margin-top:6px}
.drawer-menu a{
  display:block;padding:13px 16px;border-radius:var(--r-md);
  color:var(--text);font-weight:500;background:var(--bg);
}
.drawer-menu a:hover{background:var(--brand-light);color:var(--brand)}
.drawer-menu a.is-active{background:var(--brand-light);color:var(--brand);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.drawer-actions .btn-ghost,.drawer-actions .btn-main{width:100%;padding:12px 18px}

/* ============ 通用块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.section-head p{margin-top:14px;color:var(--text);font-size:16px}
.crumb{font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C6D2E0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background:
    linear-gradient(rgba(255,255,255,.94),rgba(245,249,254,.98)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy h1{margin:16px 0 18px}
.hero-copy .lead{font-size:17px;line-height:1.8;color:var(--text);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px;margin-top:30px;max-width:560px}
.hero-points li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text)}
.hero-points svg{flex:0 0 auto;margin-top:5px;color:var(--ok)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid var(--border);
  box-shadow:var(--sh-float);
}
.hero-float{
  position:absolute;left:-14px;bottom:-16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:14px 20px;box-shadow:var(--sh-card);
  display:flex;flex-direction:column;gap:2px;
}
.hero-float .float-label{font-size:12px;color:var(--muted);letter-spacing:.06em}
.hero-float .float-num{font-size:20px;color:var(--brand)}
.hero-tag{
  position:absolute;top:18px;right:18px;
  background:var(--accent-light);color:#C7551A;
  font-size:12px;font-weight:600;border-radius:var(--r-pill);
  padding:5px 13px;
}

/* ============ 图文交替 ============ */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zig-row.reverse .zig-media{order:2}
.zig-media{position:relative}
.zig-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--border);
  box-shadow:var(--sh-card);
  transition:transform 320ms var(--ease),box-shadow 320ms var(--ease);
}
.zig-media:hover img{transform:scale(1.02);box-shadow:var(--sh-hover)}
.zig-index{
  display:inline-grid;place-items:center;
  width:44px;height:30px;border-radius:var(--r-sm);
  background:var(--brand-light);color:var(--brand);
  font-family:"Inter",sans-serif;font-weight:700;font-size:14px;letter-spacing:.04em;
  margin-bottom:16px;
}
.zig-body h2{margin-bottom:16px}
.zig-body p{font-size:15.5px;line-height:1.85}
.text-link{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-weight:600;font-size:14.5px;margin-top:8px;
}
.text-link svg{transition:transform 220ms var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.zig-note{
  margin-top:20px;border-left:3px solid var(--brand-light);
  padding:10px 0 10px 16px;background:linear-gradient(90deg,var(--brand-light),rgba(232,241,251,0));
  border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:14px;color:var(--muted);
}

/* ============ 步骤条 ============ */
.flow-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:44px 40px;box-shadow:var(--sh-card)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:34px}
.flow-step{position:relative;padding:0 10px;text-align:center}
.flow-step::before{
  content:"";position:absolute;top:13px;left:50%;width:100%;height:2px;
  background:var(--brand-light);z-index:0;
}
.flow-step:last-child::before{display:none}
.flow-dot{
  position:relative;z-index:1;width:28px;height:28px;margin:0 auto 16px;
  border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-family:"Inter",sans-serif;font-weight:600;font-size:13px;
  box-shadow:0 0 0 5px #fff;
}
.flow-step h3{font-size:16px;margin-bottom:6px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.7}
.flow-step.is-done .flow-dot{background:var(--ok)}
.flow-step.is-next .flow-dot{background:#fff;color:var(--brand);border:2px solid var(--brand)}

/* ============ 数据卡 ============ */
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-card);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-top{display:flex;align-items:baseline;gap:6px}
.stat-top .num{font-size:40px;color:var(--brand);line-height:1}
.stat-top .unit{font-size:15px;color:var(--muted);font-weight:600}
.stat-card h3{margin:16px 0 8px;font-size:17px}
.stat-card p{font-size:14px;color:var(--text);line-height:1.8}
.stat-line{height:1px;background:var(--line);margin:18px 0}
.stat-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:25px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12.5px;
  background:var(--brand-light);color:var(--brand);
}
.tag-accent{background:var(--accent-light);color:#C7551A}
.tag-ok{background:rgba(18,165,148,.12);color:#0C7A6E}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.9fr 1.4fr;gap:48px;align-items:start}
.accordion-item{
  border:1px solid var(--border)!important;border-radius:var(--r-lg)!important;
  background:#fff;overflow:hidden;margin-bottom:14px;box-shadow:var(--sh-card);
}
.accordion-button{
  background:#fff;color:var(--title);font-size:16.5px;font-weight:600;
  padding:20px 24px;box-shadow:none!important;border-left:3px solid transparent;
  gap:12px;line-height:1.5;
}
.accordion-button::after{
  width:9px;height:9px;background-image:none!important;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);margin-left:auto;flex:0 0 auto;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--brand-dark);border-left-color:var(--brand);
}
.accordion-button:not(.collapsed)::after{border-color:var(--brand);transform:rotate(225deg)}
.accordion-button:focus{outline:2px solid var(--brand);outline-offset:-2px}
.accordion-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--text)}
.faq-aside{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-card);
}
.faq-aside h3{margin-bottom:12px}
.faq-aside ul li{display:flex;gap:10px;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.faq-aside ul li:last-child{border-bottom:0}
.faq-aside svg{flex:0 0 auto;margin-top:5px;color:var(--brand)}

/* ============ CTA ============ */
.cta-band{
  background:
    linear-gradient(rgba(232,241,251,.92),rgba(232,241,251,.92)),
    repeating-linear-gradient(0deg,rgba(14,90,167,.12) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(90deg,rgba(14,90,167,.12) 0 1px,transparent 1px 26px);
  border:1px solid #D6E4F5;border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{margin-bottom:10px}
.cta-band p{font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:#D6E3F2;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-top:1px solid rgba(255,255,255,.16);padding-top:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul li{font-size:14px;color:rgba(255,255,255,.76);padding:5px 0}
.site-footer ul li a{color:rgba(255,255,255,.76)}
.site-footer ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-icons{display:flex;gap:10px;margin-top:18px}
.footer-icons span{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.10);color:#fff;display:grid;place-items:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  h1{font-size:34px}
  h2{font-size:25px}
  .hero-grid{gap:36px}
  .zig-row{gap:40px}
}
@media (max-width:991.98px){
  .site-nav .container{height:64px}
  .section{padding:64px 0}
  .page-hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy .lead{max-width:none}
  .hero-visual{order:-1}
  .hero-float{left:12px;bottom:-14px}
  .zig-row{grid-template-columns:1fr;gap:26px}
  .zig-row.reverse .zig-media{order:0}
  .zigzag{gap:56px}
  .stat-cards{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .flow-wrap{padding:32px 24px}
  .flow{grid-template-columns:1fr 1fr;gap:26px 8px}
  .flow-step::before{display:none}
}
@media (max-width:767.98px){
  body{font-size:15px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:17px}
  .section{padding:44px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-lg-main,.hero-actions .btn-lg-ghost{width:100%}
  .hero-points{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:32px}
  .site-footer{padding-top:48px;margin-top:56px}
  .flow{grid-template-columns:1fr}
  .flow-step{text-align:left;padding:0 0 0 44px}
  .flow-dot{position:absolute;left:0;top:-2px;margin:0}
  .flow-step{padding-bottom:22px}
}
@media (max-width:575.98px){
  h1{font-size:25px}
  h2{font-size:20px}
  .hero-visual img{aspect-ratio:4/3}
  .stat-top .num{font-size:34px}
  .accordion-button{font-size:15.5px;padding:17px 18px}
  .accordion-body{padding:0 18px 18px 18px}
  .crumb{font-size:12.5px}
  .container{padding-left:16px;padding-right:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .stat-card:hover,.btn-main:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#0E5AA7;
  --brand-dark:#0A3F78;
  --brand-light:#E8F1FB;
  --bg:#F5F9FE;
  --accent:#FF7A2E;
  --accent-soft:#FFF1E7;
  --ok:#12A594;
  --warn:#E0A400;
  --ink:#131C2B;
  --text:#4A5A6E;
  --muted:#8A97A8;
  --line:#E4EAF2;
  --split:#EFF3F8;
  --r8:8px;
  --r12:12px;
  --r14:14px;
  --r20:20px;
  --pill:999px;
  --sh1:0 6px 20px rgba(14,90,167,.08);
  --sh2:0 14px 32px rgba(14,90,167,.14);
  --sh3:0 18px 48px rgba(10,63,120,.16);
  --t:220ms cubic-bezier(.2,.6,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --num:"Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-0.01em;font-weight:600;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,90,167,.08);}
.site-nav{
  display:flex;
  align-items:center;
  height:72px;
  padding:0;
}
.site-nav .container{
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--brand-light);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap;}
.brand-sub{font-size:9px;letter-spacing:.16em;color:var(--muted);font-family:var(--num);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin:0 auto;
}
.nav-item a{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
}
.nav-item a:hover{color:var(--brand);}
.nav-item.active a{color:var(--brand);font-weight:600;}
.nav-item.active a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.search-pill{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:var(--pill);
  background:#F1F6FC;
  border:1px solid transparent;
  color:var(--muted);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.search-pill input{
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  width:170px;
  color:var(--ink);
  font-family:inherit;
}
.search-pill input::placeholder{color:var(--muted);}
.search-pill:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,90,167,.12);
}
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(14,90,167,.22);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,90,167,.28);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#CFE1F5;transform:translateY(-1px);}
.btn-line{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-line:hover{background:var(--brand-light);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-main[disabled],.btn-ghost[disabled],.btn-line[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.navbar-toggler{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  background:#F1F6FC;
  border:1px solid var(--line);
  border-radius:10px;
  padding:0;
}
.navbar-toggler:hover{background:var(--brand-light);}
.nav-drawer{background:#fff;width:300px;}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.nav-drawer .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;gap:16px;}
.drawer-menu{display:flex;flex-direction:column;gap:4px;}
.drawer-menu a{
  display:block;
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
}
.drawer-menu a:hover{background:var(--brand-light);color:var(--brand);}
.drawer-menu li.active a{background:var(--brand-light);color:var(--brand);font-weight:600;}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;
  background:#F1F6FC;border-radius:10px;color:var(--muted);
}
.drawer-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;font-family:inherit;color:var(--ink);}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--split);}
.crumb-list{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);
  padding:14px 0;
}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li+li::before{content:"/";color:#C6D2E0;}
.crumb-list a{color:var(--muted);}
.crumb-list a:hover{color:var(--brand);}
.crumb-list .current{color:var(--brand);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  background:#fff;
  padding:56px 0 64px;
  border-bottom:1px solid var(--split);
}
.hero-sub-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;
  border-radius:var(--pill);
  background:var(--accent-soft);
  color:#C4560F;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  max-width:560px;
  margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;
}
.fact-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r12);
}
.fact-num{font-family:var(--num);font-weight:600;font-size:16px;color:var(--brand);}
.fact-label{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r20);
  box-shadow:var(--sh2);
}
.hero-float{
  position:absolute;
  left:-16px;
  bottom:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r14);
  box-shadow:var(--sh3);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-float .hf-icon{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.hero-float strong{display:block;font-size:14px;color:var(--ink);}
.hero-float span{font-size:12.5px;color:var(--muted);}

/* ============ 锚点快跳条 ============ */
.jump-bar{
  position:sticky;
  top:72px;
  z-index:20;
  background:rgba(245,249,254,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.jump-pills{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:2px;
}
.jump-pills::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14px;
  font-weight:500;
  transition:all var(--t);
}
.pill:hover{border-color:#CFE1F5;color:var(--brand);background:var(--brand-light);}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(14,90,167,.22);}
.pill .cnt{
  font-family:var(--num);
  font-size:12px;
  padding:1px 7px;
  border-radius:var(--pill);
  background:var(--brand-light);
  color:var(--brand);
}
.pill.active .cnt{background:rgba(255,255,255,.22);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--split);border-bottom:1px solid var(--split);}
.sec-head{margin-bottom:32px;max-width:760px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--num);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:var(--pill);
  height:26px;
  padding:0 12px;
  margin-bottom:14px;
}
.sec-head h2{font-size:28px;line-height:1.35;margin-bottom:10px;}
.sec-head p{font-size:15px;color:var(--text);}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}

/* ============ 入口分组列表 ============ */
.entry-group{padding:52px 0 8px;scroll-margin-top:150px;}
.entry-group:first-of-type{padding-top:8px;}
.group-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  flex-wrap:wrap;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.group-head h2{font-size:24px;}
.group-head .group-note{font-size:13.5px;color:var(--muted);}
.entry-list{display:flex;flex-direction:column;}
.entry-row{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 18px;
  border-radius:var(--r14);
  border:1px solid transparent;
  border-bottom:1px solid var(--split);
  transition:background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.entry-list li:last-child .entry-row{border-bottom-color:transparent;}
.entry-row:hover{
  background:#fff;
  border-color:var(--line);
  box-shadow:var(--sh1);
  transform:translateX(4px);
}
.entry-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:background var(--t),color var(--t);
}
.entry-row:hover .entry-icon{background:var(--brand);color:#fff;}
.entry-main{flex:1;min-width:0;}
.entry-main h3{font-size:17px;margin-bottom:4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.entry-main p{font-size:14px;color:var(--muted);line-height:1.7;}
.entry-arrow{color:#B9C6D6;flex-shrink:0;transition:transform var(--t),color var(--t);}
.entry-row:hover .entry-arrow{color:var(--brand);transform:translateX(3px);}
.tag-soft{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:var(--pill);
  background:var(--brand-light);
  color:var(--brand);
  font-size:12px;font-weight:600;
}
.tag-accent{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:var(--pill);
  background:var(--accent-soft);
  color:#C4560F;
  font-size:12px;font-weight:600;
}

/* ============ 图文条 ============ */
.visual-band{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r20);
  overflow:hidden;
  box-shadow:var(--sh1);
  margin-top:40px;
}
.visual-band img{
  width:100%;height:100%;
  min-height:300px;
  object-fit:cover;
}
.visual-band-body{
  padding:40px 36px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
}
.visual-band-body h3{font-size:22px;}
.visual-band-body p{font-size:14.5px;line-height:1.85;}
.band-points{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.band-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text);
}
.band-points svg{flex-shrink:0;margin-top:5px;color:var(--ok);}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding-left:34px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;top:14px;bottom:14px;
  width:2px;
  background:var(--line);
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-34px;top:22px;
  width:24px;height:24px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);
  font-size:11px;
  font-weight:600;
  color:var(--muted);
}
.tl-item.done .tl-dot{background:var(--brand);border-color:var(--brand);color:#fff;}
.tl-item.current .tl-dot{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 5px rgba(255,122,46,.14);}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r14);
  padding:22px 24px;
  box-shadow:var(--sh1);
  transition:box-shadow var(--t),transform var(--t);
}
.tl-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.tl-card h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.tl-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item-custom{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r14)!important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:box-shadow var(--t);
}
.accordion-item-custom:hover{box-shadow:var(--sh2);}
.accordion-item-custom .accordion-button{
  background:#fff;
  border:0;
  box-shadow:none;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  padding:20px 22px 20px 24px;
  border-left:3px solid transparent;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.accordion-item-custom .accordion-button:not(.collapsed){
  color:var(--brand);
  border-left-color:var(--brand);
  background:#fff;
}
.accordion-item-custom .accordion-button:focus{box-shadow:none;outline:none;}
.accordion-item-custom .accordion-button::after{
  background-image:none;
  content:"";
  width:10px;height:10px;
  border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);
  transform:rotate(45deg);
  margin-top:-4px;
  transition:transform var(--t),border-color var(--t);
}
.accordion-item-custom .accordion-button:not(.collapsed)::after{
  border-color:var(--brand);
  transform:rotate(-135deg);
  margin-top:4px;
}
.accordion-item-custom .accordion-body{
  padding:0 24px 22px 24px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--text);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-light);
  border:1px solid #D3E4F6;
  border-radius:var(--r20);
  padding:40px 42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,90,167,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(14,90,167,.06) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{font-size:26px;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:var(--text);}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 返回入口 ============ */
.back-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:24px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r14);
  box-shadow:var(--sh1);
}
.back-band p{font-size:14px;color:var(--muted);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.link-arrow svg{transition:transform var(--t);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.78);
  padding:56px 0 22px;
  margin-top:8px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:600;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-icons{display:flex;gap:10px;margin-top:16px;}
.footer-icons span{
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul li{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer ul a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.72);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .search-pill input{width:140px;}
  .nav-menu{gap:20px;}
}
@media (max-width:991.98px){
  .site-nav{height:64px;}
  .page-hero{padding:40px 0 48px;}
  .hero-sub-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:32px;}
  .hero-visual img{aspect-ratio:16/10;}
  .hero-float{left:12px;bottom:12px;}
  .jump-bar{top:64px;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .visual-band{grid-template-columns:1fr;}
  .visual-band img{min-height:220px;}
  .visual-band-body{padding:28px 24px;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .sec-head h2{font-size:23px;}
  .group-head h2{font-size:20px;}
  .entry-row{padding:16px 12px;gap:14px;}
  .entry-icon{width:40px;height:40px;}
  .entry-main h3{font-size:16px;}
  .timeline{padding-left:30px;}
  .timeline::before{left:9px;}
  .tl-dot{left:-30px;width:20px;height:20px;font-size:10px;}
  .tl-card{padding:18px 18px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .back-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  body{font-size:14.5px;}
  .page-hero h1{font-size:25px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .hero-facts{gap:8px;}
  .fact-item{padding:8px 12px;}
  .sec-head h2{font-size:21px;}
  .visual-band-body h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important;}
}