/* roulang page: index */
:root{
  --brand-700:#1B3A8F;
  --brand-500:#2F6BE4;
  --brand-900:#0F1B3D;
  --accent-500:#17C3CE;
  --accent-deep:#0E8E97;
  --secondary:#6C4FE0;
  --bg:#F7F9FC;
  --bg-alt:#EEF4FF;
  --card:#FFFFFF;
  --line:#E9EFF8;
  --line-hover:#CBD9F0;
  --field-line:#D8E1F0;
  --text:#0E1729;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --success:#12A150;
  --danger:#D93F3F;
  --warn:#E8A33D;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,61,.04),0 8px 24px rgba(15,27,61,.06);
  --shadow-2:0 2px 4px rgba(15,27,61,.05),0 16px 40px rgba(15,27,61,.09);
  --shadow-hover:0 6px 12px rgba(15,27,61,.06),0 24px 56px rgba(27,58,143,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:128px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--brand-500)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (max-width:575.98px){.container{padding:0 16px}}

/* ===== 按钮 ===== */
.btn-e{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);white-space:nowrap}
.btn-e-primary{background:var(--brand-700);color:#fff}
.btn-e-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-e-outline{background:#fff;border-color:var(--field-line);color:var(--brand-700)}
.btn-e-outline:hover{border-color:var(--brand-500);color:var(--brand-700);box-shadow:var(--shadow-1)}
.btn-e-white{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-e-white:hover{background:var(--bg-alt);color:var(--brand-700)}
.btn-e-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff}
.btn-e-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}
.btn-e-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-e[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 徽章 / 标签 ===== */
.badge-e{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-700);font-size:13px;font-weight:600}
.badge-accent{background:rgba(23,195,206,.12);color:var(--accent-deep)}
.badge-purple{background:rgba(108,79,224,.12);color:var(--secondary)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}

/* ===== 头部导航 ===== */
.site-header{position:relative;z-index:1040;background:#fff}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex-shrink:0}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-700);letter-spacing:-.01em;white-space:nowrap}
.search-wrap{flex:1;max-width:420px;position:relative;display:none}
.search-field{width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);
  padding:0 16px 0 42px;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease)}
.search-field::placeholder{color:var(--text-3)}
.search-field:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(47,107,228,.12)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.topbar-link{font-size:15px;font-weight:600;color:var(--brand-700)}
.topbar-link:hover{text-decoration:underline}
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--field-line);background:#fff;cursor:pointer}
.hamburger svg{width:22px;height:22px;color:var(--brand-700)}
@media (min-width:992px){.search-wrap{display:block}.hamburger{display:none}}
@media (max-width:991.98px){.topbar-actions .btn-e-primary,.topbar-actions .topbar-link{display:none}}

.navtabs{background:#fff;border-bottom:1px solid var(--line)}
.navtabs-scroll{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x proximity;-ms-overflow-style:none}
.navtabs-scroll::-webkit-scrollbar{display:none}
.navtab{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);font-size:14px;font-weight:600;
  background:transparent;transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease)}
.navtab:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}
.navtab.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
@media (min-width:992px){
  .topbar{position:sticky;top:0;z-index:1041}
  .navtabs{position:sticky;top:64px;z-index:1040}
}
.mobile-drawer{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:#fff;box-shadow:var(--shadow-2);
  transform:translateX(100%);transition:transform var(--ease);z-index:1060;padding:20px;overflow-y:auto;visibility:hidden}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,61,.42);opacity:0;visibility:hidden;transition:opacity var(--ease);z-index:1055}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--field-line);background:#fff;cursor:pointer;font-size:18px;line-height:1}
.drawer-nav a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--text-2)}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--brand-700)}
.drawer-cta{margin-top:20px;display:grid;gap:10px}
.drawer-cta .btn-e{width:100%}

/* ===== 板块通用 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);border-radius:2px}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.55;font-weight:600}
.lead{font-size:17px;color:var(--text-2);line-height:1.85}
.num{font-variant-numeric:tabular-nums}
.section-head p{margin-top:14px;color:var(--text-2)}

/* ===== Hero ===== */
.hero{position:relative;padding:76px 0 88px;background:
  radial-gradient(760px 380px at 88% 8%,rgba(47,107,228,.06),transparent 70%),
  radial-gradient(600px 320px at 4% 92%,rgba(23,195,206,.05),transparent 70%),#fff;
  overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy .badge-e{margin-bottom:20px}
.hero-copy h1{margin-bottom:18px}
.hero-copy .lead{max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-visual{position:relative}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--bg-alt)}
.hero-figure img{width:100%;height:400px;object-fit:cover}
.hero-float{position:absolute;right:-14px;bottom:-22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--shadow-2);min-width:210px}
.hero-float .float-k{font-size:13px;color:var(--text-3);margin-bottom:4px}
.hero-float .float-v{font-size:24px;font-weight:700;color:var(--brand-700)}
.hero-float .float-s{font-size:13px;color:var(--text-2);margin-top:2px}
@media (max-width:991.98px){
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure img{height:260px;min-height:220px}
  .hero-float{right:12px;bottom:12px;min-width:180px}
}

/* ===== 功能板块 ===== */
.feature-top{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-bottom:32px}
.f-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);overflow:hidden;display:flex;flex-direction:column}
.f-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-hover)}
.f-card-main .f-media{height:240px;overflow:hidden;background:var(--bg-alt)}
.f-card-main .f-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.f-card-main:hover .f-media img{transform:scale(1.02)}
.f-body{padding:24px}
.f-body h3{margin-bottom:10px}
.f-body p{color:var(--text-2);font-size:15px}
.f-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600}
.f-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.f-card-mini{padding:22px;flex-direction:row;gap:16px;align-items:flex-start}
.f-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--brand-700)}
.f-icon svg{width:22px;height:22px}
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.strip-item{padding:26px 22px 6px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.strip-item:last-child{border-right:none}
.strip-item h4{margin-bottom:4px}
.strip-item p{font-size:14px;color:var(--text-2)}
.strip-icon{color:var(--accent-deep);flex:0 0 24px}
.strip-icon svg{width:22px;height:22px}
@media (max-width:991.98px){
  .feature-top{grid-template-columns:1fr}
  .feature-strip{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(2n){border-right:none}
  .strip-item{border-bottom:1px solid var(--line);padding-bottom:22px}
}
@media (max-width:575.98px){
  .feature-strip{grid-template-columns:1fr}
  .strip-item{border-right:none}
}

/* ===== 使用场景 ===== */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:34px 0}
.scene-row+.scene-row{border-top:1px solid var(--line)}
.scene-row.reverse .scene-text{order:2}
.scene-row.reverse .scene-media{order:1}
.scene-no{font-size:15px;font-weight:700;color:var(--accent-deep);font-variant-numeric:tabular-nums;letter-spacing:.06em;margin-bottom:12px}
.scene-text h3{margin-bottom:12px}
.scene-text p{color:var(--text-2);margin-bottom:14px}
.scene-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--bg-alt);box-shadow:var(--shadow-1)}
.scene-media img{width:100%;height:300px;object-fit:cover}
@media (max-width:991.98px){
  .scene-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .scene-row.reverse .scene-text{order:1}
  .scene-row.reverse .scene-media{order:2}
  .scene-media img{height:230px}
}

/* ===== 案例横滚 ===== */
.case-scroller{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:thin}
.case-scroller::-webkit-scrollbar{height:6px}
.case-scroller::-webkit-scrollbar-thumb{background:var(--line-hover);border-radius:99px}
.case-card{scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-hover)}
.case-logo{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);
  background:var(--bg-alt);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px}
.case-card h4{margin-bottom:10px}
.case-card p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid var(--line);padding-top:16px}
.case-metrics .m-v{font-size:20px;font-weight:700;color:var(--accent-deep);font-variant-numeric:tabular-nums}
.case-metrics .m-k{font-size:12px;color:var(--text-3)}
@media (max-width:991.98px){.case-scroller{grid-auto-columns:calc((100% - 24px)/2)}}
@media (max-width:575.98px){.case-scroller{grid-auto-columns:82%}}

/* ===== 价格 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column;height:100%}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-hover)}
.price-card.featured{border:2px solid var(--brand-700);box-shadow:var(--shadow-2);transform:translateY(-8px)}
.price-card.featured:hover{transform:translateY(-11px)}
.price-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--brand-700);color:#fff;
  font-size:13px;font-weight:600;padding:4px 16px;border-radius:var(--r-pill)}
.price-name{font-size:17px;font-weight:700;color:var(--text);margin-bottom:6px}
.price-desc{font-size:14px;color:var(--text-3);margin-bottom:20px}
.price-value{font-size:38px;font-weight:700;color:var(--brand-700);line-height:1.1;font-variant-numeric:tabular-nums}
.price-unit{font-size:14px;color:var(--text-3);font-weight:500;margin-left:4px}
.price-list{margin:22px 0 26px;display:grid;gap:12px}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start}
.price-list svg{width:18px;height:18px;flex:0 0 18px;color:var(--accent-500);margin-top:4px}
.price-card .btn-e{width:100%;margin-top:auto}
.price-note{text-align:center;font-size:13px;color:var(--text-3);margin-top:26px}
@media (max-width:991.98px){
  .price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-3px)}
}

/* ===== 资讯 CMS ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.news-lead{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-hover)}
.news-lead .media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.news-lead .media img{width:100%;height:100%;object-fit:cover}
.news-lead .body{padding:26px}
.news-lead h3{margin:14px 0 10px;font-size:22px}
.news-lead p{font-size:15px;color:var(--text-2)}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.news-item{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;padding:18px 12px;
  border-bottom:1px solid var(--line);transition:background-color var(--ease)}
.news-item:hover{background:var(--bg)}
.news-item .t{font-size:16px;font-weight:600;color:var(--text);line-height:1.55}
.news-item:hover .t{color:var(--brand-700)}
.news-item .s{font-size:14px;color:var(--text-2);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .meta{flex:0 0 auto;text-align:right;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-empty{background:#fff;border:1px dashed var(--line-hover);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--text-2)}
.news-empty svg{width:44px;height:44px;color:var(--brand-500);margin-bottom:14px}
.news-empty p{margin-bottom:18px;font-size:15px}
@media (max-width:991.98px){.news-grid{grid-template-columns:1fr;gap:26px}}

/* ===== FAQ ===== */
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-1);transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item:hover{border-color:var(--line-hover)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:none;
  text-align:left;padding:20px 22px;font-size:16px;font-weight:600;color:var(--text);cursor:pointer}
.faq-q svg{width:18px;height:18px;flex:0 0 18px;color:var(--brand-500);transition:transform var(--ease)}
.faq-q[aria-expanded="true"] svg{transform:rotate(180deg)}
.faq-a{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;border-left:3px solid transparent}
.faq-item.open{border-color:var(--line-hover)}
.faq-item.open .faq-a{border-left-color:var(--accent-500);margin-left:22px;padding-left:18px}
@media (max-width:991.98px){.faq-cols{grid-template-columns:1fr}}

/* ===== 底部 CTA ===== */
.cta-band{background:var(--bg-alt);border-radius:20px;padding:56px 32px;text-align:center;border:1px solid var(--line)}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:640px;margin:0 auto 28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:#C7D4EE;padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px}
.site-footer a{color:#C7D4EE;font-size:14px}
.site-footer a:hover{color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:#9FB2D8;margin:16px 0 20px;max-width:300px}
.social-row{display:flex;gap:10px}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center}
.social-row a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.social-row svg{width:18px;height:18px}
.footer-list li{margin-bottom:10px}
.footer-contact li{font-size:14px;color:#9FB2D8;margin-bottom:12px;display:flex;gap:10px}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;color:var(--accent-500);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;align-items:center;font-size:13px;color:#8FA3CC}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}

@media (max-width:991.98px){.section{padding:72px 0}}
@media (max-width:575.98px){.section{padding:56px 0}}

/* roulang page: article */
:root{
  --brand-700:#1B3A8F;
  --brand-500:#2F6BE4;
  --brand-900:#0F1B3D;
  --accent-500:#17C3CE;
  --accent-deep:#0E8E97;
  --secondary:#6C4FE0;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --bg-alt:#EEF4FF;
  --line:#E9EFF8;
  --line-hover:#CBD9F0;
  --line-form:#D8E1F0;
  --text:#0E1729;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --ok:#12A150;
  --warn:#E8A33D;
  --err:#D93F3F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,61,.04),0 8px 24px rgba(15,27,61,.06);
  --shadow-2:0 2px 4px rgba(15,27,61,.05),0 16px 40px rgba(15,27,61,.09);
  --shadow-hover:0 6px 12px rgba(15,27,61,.06),0 24px 56px rgba(27,58,143,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-padding-top:128px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-0.01em}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.55;font-weight:600}
p{margin:0 0 16px;color:var(--text-2)}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 顶部阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand-500);z-index:2000;transition:width 80ms linear}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1200;background:#fff}
.topbar{border-bottom:1px solid var(--line);background:#fff}
.topbar-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.search{position:relative;flex:1 1 auto;max-width:420px}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3)}
.search input{
  width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-form);
  background:var(--bg);padding:0 16px 0 42px;color:var(--text);transition:var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(47,107,228,.12);outline:none}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.link-quiet{font-size:14px;font-weight:600;color:var(--brand-700)}
.link-quiet:hover{text-decoration:underline}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-form);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center}
.menu-toggle svg{width:20px;height:20px;color:var(--brand-900)}

.navtabs{background:#F7F9FC;border-bottom:1px solid var(--line)}
.navtabs-scroll{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.navtabs-scroll::-webkit-scrollbar{display:none}
.navtab{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:var(--ease);
}
.navtab:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}
.navtab.active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);box-shadow:var(--shadow-1)}

.drawer{display:none;border-bottom:1px solid var(--line);background:#fff;padding:16px 24px 22px}
.drawer.open{display:block}
.drawer .search{max-width:none;margin-bottom:14px}
.drawer-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:var(--ease);cursor:pointer}
.btn-primary{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.btn-primary:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line-form)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:#fff;color:var(--brand-900)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* 徽章 */
.badge-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-700);font-size:13px;font-weight:600}
.badge-accent{background:rgba(23,195,206,.12);color:var(--accent-deep)}
.badge-new{background:rgba(108,79,224,.1);color:var(--secondary)}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:22px 0 0}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:#C7D2E5}
.crumbs .current{color:var(--text-3);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{padding:18px 0 28px}
.article-head h1{max-width:900px;margin-top:14px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:18px;font-size:13px;color:var(--text-3)}
.meta-row b{color:var(--text-2);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C7D2E5}
.cover-wrap{margin-top:24px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--bg-alt)}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 布局 */
.layout{padding:8px 0 72px}
.layout-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px;align-items:start}

/* 正文 */
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:36px 38px;max-width:820px}
.article-body > *:first-child{margin-top:0}
.article-body p{font-size:17px;line-height:1.9;color:var(--text-2);margin:0 0 18px;max-width:760px}
.article-body h2{font-size:clamp(22px,2.4vw,28px);margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand-700)}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--brand-900)}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:2px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--text-2);font-size:16.5px;line-height:1.85}
.article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--accent-500)}
.article-body ol{counter-reset:li}
.article-body ol li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:3px;font-size:13px;font-weight:700;color:var(--brand-700)}
.article-body img{border-radius:12px;margin:22px auto;border:1px solid var(--line)}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--bg-alt);border-left:4px solid var(--brand-500);border-radius:0 12px 12px 0}
.article-body blockquote p{margin:0;color:var(--brand-900);font-size:16.5px}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body code{background:#F1F5FB;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14.5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--brand-900)}
.article-body pre{background:#F4F7FC;border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;margin:22px 0}
.article-body pre code{background:none;border:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;color:var(--text-2)}
.article-body thead th{background:var(--bg-alt);color:var(--brand-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body figure{margin:22px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:8px}

/* 空态 */
.empty-state{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:56px 32px;text-align:center}
.empty-state svg{width:56px;height:56px;color:var(--text-3);margin:0 auto 18px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{max-width:460px;margin:0 auto 22px}

/* 侧栏 */
.side{position:sticky;top:128px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:22px}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-700)}
.toc{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc a{display:block;font-size:14px;color:var(--text-2);padding:8px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.6}
.toc a:hover{background:var(--bg);color:var(--brand-700)}
.toc a.on{color:var(--brand-700);font-weight:600;background:var(--bg-alt);border-left-color:var(--brand-700)}
.side-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{font-size:15px;font-weight:600;color:var(--text);display:block;line-height:1.6}
.side-list a:hover{color:var(--brand-700)}
.side-list .time{font-size:13px;color:var(--text-3);margin-top:4px;display:block}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;padding:6px 12px;border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:var(--ease)}
.tag:hover{border-color:var(--line-hover);color:var(--brand-700);background:var(--bg-alt)}
.tag.purple{background:rgba(108,79,224,.08);border-color:rgba(108,79,224,.18);color:var(--secondary)}
.side-cta{background:var(--brand-700);border:1px solid var(--brand-700);border-radius:var(--r-card);padding:26px 22px;color:#fff;box-shadow:var(--shadow-2)}
.side-cta h3{color:#fff;font-size:19px;margin-bottom:10px}
.side-cta p{color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:18px}
.side-cta .btn{width:100%;background:#fff;color:var(--brand-700);border-color:#fff}
.side-cta .btn:hover{background:var(--accent-500);color:#fff;border-color:var(--accent-500)}

/* 继续浏览 */
.more-section{margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:26px}
.section-head .more-link{font-size:14px;font-weight:600}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;transition:var(--ease);display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-hover)}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17.5px;line-height:1.5}
.post-card p{font-size:14.5px;margin:0;color:var(--text-2)}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.post-card .foot a{font-weight:600}

/* CTA 通栏 */
.cta-banner{margin:64px 0 0;background:var(--bg-alt);border:1px solid var(--line);border-radius:20px;padding:56px 32px;text-align:center}
.cta-banner h2{max-width:720px;margin:0 auto 14px}
.cta-banner p{max-width:640px;margin:0 auto 26px;font-size:16px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(226,236,255,.78);margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer a{color:rgba(226,236,255,.78)}
.site-footer a:hover{color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:rgba(226,236,255,.7);margin:16px 0 18px;max-width:320px}
.social-row{display:flex;gap:10px}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(226,236,255,.24);display:inline-flex;align-items:center;justify-content:center;transition:var(--ease)}
.social-row a:hover{background:rgba(255,255,255,.1);border-color:rgba(226,236,255,.5)}
.social-row svg{width:18px;height:18px}
.footer-list li,.footer-contact li{margin-bottom:11px;font-size:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--accent-500)}
.footer-bottom{border-top:1px solid rgba(226,236,255,.16);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(226,236,255,.6)}
.footer-bottom a{color:rgba(226,236,255,.72)}

@media (max-width:991px){
  html{scroll-padding-top:80px}
  .search{display:none}
  .topbar-actions .link-quiet{display:none}
  .menu-toggle{display:inline-flex}
  .navtabs{position:static}
  .layout-grid{grid-template-columns:1fr}
  .side{position:static}
  .article-body{padding:26px 20px;border-radius:14px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-head h1{margin-top:12px}
  .card-grid{grid-template-columns:1fr}
  .cta-banner{padding:40px 22px;border-radius:16px}
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:575px){
  .topbar-inner{gap:14px}
  .brand-text{font-size:17px}
  .btn{padding:0 16px;font-size:14.5px}
  .article-body p{font-size:16.5px}
}

/* roulang page: category1 */
:root{
  --brand-700:#1B3A8F;
  --brand-500:#2F6BE4;
  --brand-900:#0F1B3D;
  --accent-500:#17C3CE;
  --accent-ink:#0E8E97;
  --secondary:#6C4FE0;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-alt:#EEF4FF;
  --line:#E9EFF8;
  --line-hover:#CBD9F0;
  --line-input:#D8E1F0;
  --text:#0E1729;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --ok:#12A150;
  --err:#D93F3F;
  --warn:#E8A33D;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-cta:20px;
  --sh-1:0 1px 2px rgba(15,27,61,.04),0 8px 24px rgba(15,27,61,.06);
  --sh-2:0 2px 4px rgba(15,27,61,.05),0 16px 40px rgba(15,27,61,.09);
  --sh-hover:0 6px 12px rgba(15,27,61,.06),0 24px 56px rgba(27,58,143,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --head-h:64px;
  --tabs-h:52px;
  --bs-primary:#1B3A8F;
  --bs-primary-rgb:27,58,143;
  --bs-body-color:#0E1729;
  --bs-body-bg:#F7F9FC;
  --bs-border-color:#E9EFF8;
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-link-color:#1B3A8F;
  --bs-link-hover-color:#2F6BE4;
}
*{box-sizing:border-box}
html{scroll-padding-top:128px;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-500)}
img{max-width:100%;display:block}
button{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:var(--head-h);display:flex;align-items:center;gap:22px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-900)}
.brand:hover{color:var(--brand-700)}
.brand-mark{width:34px;height:34px;flex:0 0 34px}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.search-box{
  flex:1 1 auto;max-width:420px;height:40px;display:flex;align-items:center;gap:8px;
  border:1px solid var(--line-input);border-radius:999px;background:#fff;padding:0 16px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(47,107,228,.12)}
.search-box svg{width:18px;height:18px;color:var(--text-3);flex:0 0 18px}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.text-link{font-size:14px;font-weight:600;color:var(--brand-700)}
.text-link:hover{text-decoration:underline}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-input);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;margin-left:auto;padding:0;
}
.nav-toggle svg{width:20px;height:20px;color:var(--brand-700)}

/* 频道 Tabs */
.navtabs{
  position:sticky;top:var(--head-h);z-index:1020;background:#fff;
  border-bottom:1px solid var(--line);
}
.navtabs-scroll{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding-top:10px;padding-bottom:10px;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.navtabs-scroll::-webkit-scrollbar{display:none}
.navtab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.navtab:hover{background:var(--surface-alt);color:var(--brand-700);border-color:var(--line-hover)}
.navtab.active{
  background:var(--brand-700);color:#fff;border-color:var(--brand-700);box-shadow:var(--sh-1);
}
.navtab.active:hover{background:var(--brand-700);color:#fff}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform var(--ease);
  box-shadow:-16px 0 40px rgba(15,27,61,.14);padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-size:16px;font-weight:700;color:var(--brand-900)}
.drawer-close{
  border:1px solid var(--line-input);background:#fff;border-radius:10px;width:38px;height:38px;
  font-size:20px;line-height:1;color:var(--text-2);
}
.drawer .search-box{max-width:none;margin-bottom:18px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-links a{
  padding:12px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer-links a:hover{background:var(--surface-alt);color:var(--brand-700)}
.drawer-links a.active{background:var(--brand-700);color:#fff}
.drawer-cta{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,61,.45);z-index:1050;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-lg{min-height:50px;padding:14px 28px;font-size:16px}
.btn-primary{
  --bs-btn-bg:var(--brand-700);--bs-btn-border-color:var(--brand-700);--bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--brand-500);--bs-btn-hover-border-color:var(--brand-500);--bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--brand-700);--bs-btn-active-border-color:var(--brand-700);--bs-btn-active-color:#fff;
  --bs-btn-disabled-bg:var(--brand-700);--bs-btn-disabled-border-color:var(--brand-700);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-outline{
  background:#fff;border-color:var(--line-input);color:var(--brand-700);
}
.btn-outline:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{
  background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.sec-white{background:#fff}
.sec-soft{background:var(--surface-alt)}
.sec-mute{background:var(--bg)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand-700);font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.14);color:#fff}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--brand-900)}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--brand-900)}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--brand-900)}
h4{font-size:17px;line-height:1.55;font-weight:600;color:var(--brand-900)}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--text-2);max-width:680px}
.center p{margin-left:auto;margin-right:auto}
.lead{font-size:17px;line-height:1.85;color:var(--text-2)}
.num{font-variant-numeric:tabular-nums}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:#fff;padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 88% 6%,rgba(47,107,228,.06),transparent 70%),
             radial-gradient(620px 360px at 4% 92%,rgba(23,195,206,.05),transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative}
.hero h1{margin-bottom:20px}
.hero .lead{max-width:600px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand-700);font-size:13px;font-weight:600;
}
.pill.accent{background:rgba(23,195,206,.12);color:var(--accent-ink)}
.pill svg{width:15px;height:15px}

.hero-visual{position:relative}
.hero-figure{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);
  aspect-ratio:16/11;background:#E6EEFB;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.checklist-card{
  position:relative;margin:-58px 20px 0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);padding:22px 24px;
}
.checklist-title{
  font-size:14px;font-weight:700;color:var(--brand-700);letter-spacing:.04em;margin-bottom:14px;
}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);
  padding:8px 0;border-top:1px solid var(--line);
}
.check-list li:first-child{border-top:0;padding-top:0}
.check-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--accent-500)}

/* 锚点导航 */
.anchor-bar{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;padding-top:14px;padding-bottom:14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px dashed var(--line-hover);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;
  transition:all var(--ease);
}
.anchor-pill:hover{border-style:solid;border-color:var(--brand-500);color:var(--brand-700);background:var(--surface-alt)}

/* ============ 卡片 ============ */
.card{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.card-body{padding:24px}
.card-body h3{margin-bottom:10px}
.card-body p{font-size:15px;color:var(--text-2)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#E6EEFB}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-700);
}
.card-link svg{width:16px;height:16px;transition:transform var(--ease)}
.card:hover .card-link svg{transform:translateX(3px)}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand-700);font-size:12.5px;font-weight:700;
}
.badge-accent{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(23,195,206,.12);color:var(--accent-ink);font-size:12.5px;font-weight:700;
}
.badge-line{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line-hover);color:var(--text-2);font-size:12.5px;font-weight:600;background:#fff;
}

/* ============ 赛程表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);
}
.data-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
.data-table caption{
  caption-side:top;text-align:left;padding:20px 24px 0;font-size:14px;color:var(--text-3);
}
.data-table th{
  background:var(--surface-alt);color:var(--brand-900);font-weight:600;text-align:left;
  padding:15px 20px;font-size:14px;white-space:nowrap;
}
.data-table td{
  padding:16px 20px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:middle;
}
.data-table tbody tr:nth-child(even){background:#FBFCFE}
.data-table tbody tr:hover{background:var(--surface-alt)}
.data-table .t-time{font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;font-size:16px}
.data-table .t-main{font-weight:600;color:var(--text)}
.table-note{font-size:13px;color:var(--text-3);margin-top:12px}
.status-dot{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ok);
}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.status-dot.wait{color:var(--text-3)}
.status-dot.wait::before{background:var(--text-3)}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .figure{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);
  aspect-ratio:4/3;background:#E6EEFB;
}
.split .figure img{width:100%;height:100%;object-fit:cover}
.feature-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);
}
.feature-list li:last-child{border-bottom:0}
.feature-list .fi{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--surface-alt);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.feature-list .fi svg{width:20px;height:20px}
.feature-list h4{margin-bottom:4px}
.feature-list p{font-size:14.5px;color:var(--text-2)}

/* ============ 步骤时间线 ============ */
.timeline{position:relative;max-width:860px}
.timeline li{position:relative;padding:0 0 34px 62px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:19px;top:36px;bottom:0;width:2px;background:var(--line);
}
.timeline li:last-child::before{display:none}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:#fff;
  border:2px solid var(--accent-500);color:var(--accent-ink);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.timeline h3{margin-bottom:8px}
.timeline p{font-size:15px;color:var(--text-2);max-width:640px}

/* ============ FAQ ============ */
.accordion-item{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:12px;background:#fff;
  box-shadow:none;
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:#fff;padding:17px 20px;
  box-shadow:none;border-radius:14px;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:var(--surface-alt);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B3A8F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  width:20px;height:20px;background-size:20px;transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--text-2);background:#fff;
  border-left:3px solid var(--accent-500);margin-left:20px;padding:4px 20px 20px 18px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-cta);
  padding:56px 40px;text-align:center;box-shadow:var(--sh-1);
}
.cta-band h2{margin-bottom:14px}
.cta-band p{font-size:16px;color:var(--text-2);max-width:620px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* 相关分类 */
.rel-card .card-media{aspect-ratio:16/9}
.rel-card .current-tag{
  position:absolute;top:14px;left:14px;background:var(--brand-700);color:#fff;font-size:12px;
  font-weight:700;padding:5px 12px;border-radius:999px;
}
.rel-media{position:relative}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C7D4EC;padding:72px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{color:#fff;margin-bottom:16px}
.site-footer .brand-text{color:#fff}
.site-footer .brand:hover{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB2D4;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-list li{margin-bottom:10px}
.footer-list a,.footer-contact span{font-size:14px;color:#B7C6E3}
.footer-list a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14px;color:#B7C6E3}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;color:var(--accent-500)}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:#D5E0F5;transition:all var(--ease);
}
.social-row svg{width:18px;height:18px}
.social-row a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:13px;color:#8C9DBE;
}
.footer-bottom a{color:#B7C6E3}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-contact-col{grid-column:1 / -1}
}
@media (max-width:991.98px){
  html{scroll-padding-top:88px}
  .navtabs{position:static}
  .section{padding:72px 0}
  .hero{padding:52px 0 64px}
  .search-box,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .split{grid-template-columns:1fr;gap:32px}
  .hero-visual{margin-top:8px}
  .checklist-card{margin:-32px 12px 0}
  .cta-band{padding:44px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .hero{padding:40px 0 52px}
  .brand-text{font-size:17px}
  .card-body{padding:20px}
  .checklist-card{margin:-24px 8px 0;padding:20px}
  .hero-cta .btn,.cta-actions .btn{width:100%}
  .cta-band{padding:36px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-700:#1B3A8F;
  --brand-500:#2F6BE4;
  --brand-900:#0F1B3D;
  --accent-500:#17C3CE;
  --accent-deep:#0E8E97;
  --secondary:#6C4FE0;
  --bg:#F7F9FC;
  --bg-alt:#EEF4FF;
  --card:#FFFFFF;
  --line:#E9EFF8;
  --line-hover:#CBD9F0;
  --line-input:#D8E1F0;
  --text:#0E1729;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --success:#12A150;
  --danger:#D93F3F;
  --warn:#E8A33D;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-cta:20px;
  --sh1:0 1px 2px rgba(15,27,61,.04),0 8px 24px rgba(15,27,61,.06);
  --sh2:0 2px 4px rgba(15,27,61,.05),0 16px 40px rgba(15,27,61,.09);
  --sh-hover:0 6px 12px rgba(15,27,61,.06),0 24px 56px rgba(27,58,143,.14);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;

  --bs-primary:var(--brand-700);
  --bs-body-color:var(--text);
  --bs-body-bg:#FFFFFF;
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-btn);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:128px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-500)}
button,input{font:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.55;font-weight:600}
p{margin:0 0 16px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:var(--container);padding-left:24px;padding-right:24px;margin:0 auto}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

/* ============ 顶部品牌行 ============ */
.site-header{position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line)}
.topbar{height:64px;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-900)}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.topbar-search{flex:1 1 auto;max-width:420px;position:relative;margin-left:8px}
.topbar-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3)}
.topbar-search input{
  width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg);padding:0 16px 0 42px;color:var(--text);font-size:14px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.topbar-search input::placeholder{color:var(--text-3)}
.topbar-search input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(47,107,228,.12)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.topbar-link{font-size:14px;font-weight:600;color:var(--brand-700)}
.topbar-link:hover{text-decoration:underline}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t),box-shadow var(--t),transform var(--t)}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line-input)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh1)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px;color:var(--brand-900)}

/* ============ 频道 Tabs ============ */
.navtabs{position:sticky;top:64px;z-index:1035;background:#fff;border-bottom:1px solid var(--line)}
.navtabs-scroll{
  height:52px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.navtabs-scroll::-webkit-scrollbar{display:none}
.navtab{
  flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);font-size:14px;font-weight:600;
  background:transparent;transition:all var(--t);white-space:nowrap;
}
.navtab:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}
.navtab.active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);box-shadow:var(--sh1)}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:#fff;box-shadow:var(--sh2);
  transform:translateX(102%);transition:transform var(--t);z-index:1060;padding:20px;overflow-y:auto;display:none}
.drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,61,.42);opacity:0;visibility:hidden;transition:all var(--t);z-index:1055}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff}
.drawer-nav a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--text);font-weight:600}
.drawer-nav a.active{color:var(--brand-700)}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-900)}
.cat-hero-img{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.34}
.cat-hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(15,27,61,.92) 0%,rgba(15,27,61,.74) 48%,rgba(15,27,61,.42) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:76px 0 68px;color:#fff;max-width:790px}
.cat-hero h1{color:#fff}
.cat-hero .lead{margin:18px 0 0;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86)}
.crumb{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb span.sep{margin:0 8px;opacity:.6}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;font-weight:600}
.hero-pill i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* 页内锚点 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line)}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:14px 0}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-chip{flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);color:var(--text-2);font-size:13px;font-weight:600;transition:all var(--t)}
.anchor-chip:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.section.white{background:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-500);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-700)}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{display:none}
.sec-head p{margin-top:14px;color:var(--text-2)}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden}
.stat-cell{padding:28px 26px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:none}
.stat-value{font-size:clamp(26px,2.6vw,34px);font-weight:700;color:var(--accent-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{margin-top:6px;font-size:14px;font-weight:600;color:var(--text)}
.stat-note{margin-top:4px;font-size:13px;color:var(--text-3)}

/* 非等宽卡组 */
.card-row{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:24px;align-items:stretch}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.pcard-media{position:relative;width:100%;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden}
.pcard-media img{width:100%;height:100%;object-fit:cover}
.pcard-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.pcard-body p{margin:0;color:var(--text-2);font-size:15px}
.pcard-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-700)}
.pcard-more:hover{text-decoration:underline}
.pcard.feature .pcard-media{aspect-ratio:16/9}
.pcard.feature .pcard-body{padding:24px}
.pcard.feature h3{font-size:22px}
.pcard.feature p{font-size:15px}

.badge-soft{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-700);font-size:12px;font-weight:700}
.badge-accent{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(23,195,206,.12);color:var(--accent-deep);font-size:12px;font-weight:700}
.badge-purple{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(108,79,224,.12);color:var(--secondary);font-size:12px;font-weight:700}

/* 对比表 */
.compare-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
table.compare thead th{background:var(--bg-alt);color:var(--brand-900);font-weight:700;font-size:14px}
table.compare tbody tr:nth-child(even){background:#FBFCFE}
table.compare tbody tr:hover{background:var(--bg-alt)}
table.compare td:first-child{font-weight:600;color:var(--text);width:180px}
table.compare td.own{color:var(--brand-700);font-weight:600}
table.compare .mark-yes{display:inline-flex;align-items:center;gap:7px}
table.compare .mark-yes svg{width:16px;height:16px;color:var(--accent-500);flex:0 0 auto}

/* 场景列表 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.scene-icon{width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center}
.scene-icon svg{width:22px;height:22px;color:var(--brand-700)}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{margin:0;font-size:15px;color:var(--text-2)}
.scene-index{font-size:13px;font-weight:700;color:var(--accent-deep);font-variant-numeric:tabular-nums;letter-spacing:.06em}

/* 字段清单 */
.field-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:8px}
.field-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.field-list li svg{width:18px;height:18px;color:var(--accent-500);flex:0 0 auto;margin-top:5px}
.field-list li strong{color:var(--text)}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-card) !important;background:#fff;margin-bottom:14px;
  box-shadow:var(--sh1);overflow:hidden}
.accordion-button{background:#fff;color:var(--text);font-size:16px;font-weight:600;padding:20px 22px;box-shadow:none !important;
  border-radius:var(--r-card) !important}
.accordion-button:not(.collapsed){color:var(--brand-700);background:#fff}
.accordion-button::after{background-image:none;width:18px;height:18px;flex:0 0 auto;
  background-repeat:no-repeat;background-position:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5A75' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  transition:transform var(--t)}
.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 24 24' fill='none' stroke='%231B3A8F' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E")}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);border-left:3px solid var(--accent-500);margin-left:0}

/* 相关分类 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.rel-card h3{font-size:18px;color:var(--brand-900);margin:12px 0 8px}
.rel-card p{margin:0 0 14px;font-size:15px;color:var(--text-2)}
.rel-card span.more{font-size:14px;font-weight:600;color:var(--brand-700)}
.rel-card.current{border-color:var(--brand-700);border-width:2px}

/* CTA 通栏 */
.cta-band{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-cta);padding:56px 32px;text-align:center}
.cta-band h2{padding:0}
.cta-band p{max-width:640px;margin:14px auto 0;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(226,235,255,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer .brand-text{color:#fff}
.site-footer .footer-brand p{font-size:14px;line-height:1.8;color:rgba(226,235,255,.72);margin:16px 0 20px;max-width:340px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(226,235,255,.78)}
.footer-list a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--accent-500)}
.social-row{display:flex;gap:10px}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;
  justify-content:center;color:#fff;transition:all var(--t)}
.social-row a:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5)}
.social-row svg{width:18px;height:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  justify-content:space-between;font-size:13px;color:rgba(226,235,255,.62)}
.footer-bottom a{color:rgba(226,235,255,.72)}
.footer-bottom a:hover{color:#fff}

@media (max-width:1199.98px){
  .card-row{grid-template-columns:1.4fr 1fr 1fr}
  .card-row .pcard:nth-child(4){grid-column:span 3}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .navtabs{position:static}
  .topbar-search{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .topbar-actions .btn-primary{display:none}
  .drawer{display:block}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:none}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .card-row{grid-template-columns:1fr 1fr}
  .card-row .pcard:nth-child(4){grid-column:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rel-grid{grid-template-columns:1fr}
  .cat-hero-inner{padding:56px 0 52px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .scene-grid,.field-list{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:none}
  .card-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:8px;margin:0 -24px;padding-left:24px;padding-right:24px}
  .card-row .pcard{flex:0 0 82%;scroll-snap-align:start}
  .cta-band{padding:40px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .card-row{margin:0 -16px;padding-left:16px;padding-right:16px}
  .hero-cta .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand-700:#1B3A8F;
  --brand-500:#2F6BE4;
  --brand-900:#0F1B3D;
  --accent-500:#17C3CE;
  --secondary:#6C4FE0;
  --bg:#F7F9FC;
  --bg-alt:#EEF4FF;
  --card:#FFFFFF;
  --line:#E9EFF8;
  --line-hover:#CBD9F0;
  --line-input:#D8E1F0;
  --text:#0E1729;
  --text-mid:#4A5A75;
  --text-weak:#8794AB;
  --ok:#12A150;
  --err:#D93F3F;
  --warn:#E8A33D;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-cta:20px;
  --sh1:0 1px 2px rgba(15,27,61,.04),0 8px 24px rgba(15,27,61,.06);
  --sh2:0 2px 4px rgba(15,27,61,.05),0 16px 40px rgba(15,27,61,.09);
  --sh-hover:0 6px 12px rgba(15,27,61,.06),0 24px 56px rgba(27,58,143,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1B3A8F;
  --bs-primary-rgb:27,58,143;
  --bs-body-color:#0E1729;
  --bs-body-bg:#F7F9FC;
  --bs-border-color:#E9EFF8;
  --bs-border-radius:10px;
  --bs-link-color:#1B3A8F;
  --bs-link-hover-color:#2F6BE4;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:128px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-500)}
button{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.55;font-weight:600}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.header-top{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand-700)}
.search-box{position:relative;flex:1 1 auto;max-width:420px}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-weak)}
.search-box input{
  width:100%;height:40px;padding:0 16px 0 42px;border:1px solid var(--line-input);
  border-radius:var(--r-pill);background:#FBFCFE;font-size:14px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--text-weak)}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(47,107,228,.12)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.link-plain{font-size:14px;font-weight:600;color:var(--brand-700)}
.link-plain:hover{text-decoration:underline}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  background:var(--brand-700);color:#fff;font-size:15px;font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid var(--line-input);border-radius:var(--r-btn);
  background:#fff;color:var(--brand-700);font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh1)}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line-input);border-radius:var(--r-btn);background:#fff;color:var(--brand-900);cursor:pointer;
}
.menu-toggle svg{width:22px;height:22px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 22px;
  box-shadow:var(--sh1);
}
.mobile-drawer.open{display:block}
.mobile-drawer .search-box{max-width:none;margin-bottom:16px}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.mobile-drawer .drawer-links a{padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text-mid)}
.mobile-drawer .drawer-links a:hover{background:var(--bg-alt);color:var(--brand-700)}
.mobile-drawer .btn-main{width:100%}

/* ---------- nav tabs ---------- */
.navtabs{position:sticky;top:64px;z-index:1020;background:#fff;border-bottom:1px solid var(--line)}
.navtabs::before,.navtabs::after{
  content:"";position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2;
}
.navtabs::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.navtabs::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.navtabs-scroll{
  display:flex;align-items:center;gap:10px;height:54px;overflow-x:auto;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.navtabs-scroll::-webkit-scrollbar{display:none}
.navtab{
  flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;
  height:36px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-mid);background:transparent;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.navtab:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}
.navtab.active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);box-shadow:var(--sh1)}
.navtab.active:hover{background:var(--brand-700);color:#fff}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F3F7FD 100%);border-bottom:1px solid var(--line);padding:40px 0 72px}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 360px at 80% -12%,rgba(27,58,143,.07),transparent 70%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:26px}
.crumb a{color:var(--text-weak)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:var(--line-hover)}
.crumb .cur{color:var(--text-mid)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--bg-alt);color:var(--brand-700);
  font-size:13px;font-weight:600;
}
.pill-accent{background:rgba(23,195,206,.12);color:#0E8E97}
.hero-copy h1{margin:18px 0 16px}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-mid);max-width:620px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 28px}
.hero-badges .pill{background:#fff;border:1px solid var(--line);color:var(--text-mid)}
.hero-badges .pill svg{width:15px;height:15px;color:var(--accent-500)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-cta);
  border:1px solid var(--line);box-shadow:var(--sh2);
}
.float-card{
  position:absolute;right:-14px;bottom:-22px;width:216px;padding:16px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh2);
}
.float-card .fc-label{font-size:12px;color:var(--text-weak);margin-bottom:4px}
.float-card .fc-num{font-size:26px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.float-card .fc-note{font-size:12.5px;color:var(--text-mid);margin-top:4px}

/* ---------- anchor nav ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.anchor-list{display:flex;flex-wrap:wrap;gap:10px}
.anchor-list a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-mid);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.anchor-list a:hover{background:var(--bg-alt);color:var(--brand-700);border-color:var(--line-hover)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-500);margin-bottom:12px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16.5px;color:var(--text-mid)}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-cta);box-shadow:var(--sh1);overflow:hidden;
}
.stat-item{padding:28px 26px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:15px;font-weight:600;color:var(--accent-500);margin-left:3px}
.stat-label{font-size:13.5px;color:var(--text-weak);margin-top:6px}

/* ---------- dimension cards ---------- */
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:26px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.card-icon{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--bg-alt);color:var(--brand-700);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{margin-bottom:10px}
.card p{font-size:14.8px;color:var(--text-mid);line-height:1.8}
.card-tag{display:inline-flex;height:24px;align-items:center;padding:0 10px;border-radius:var(--r-pill);background:rgba(23,195,206,.12);color:#0E8E97;font-size:12px;font-weight:700;margin-top:14px}

/* ---------- timeline ---------- */
.timeline-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.timeline{position:relative;padding-left:30px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:6px;width:2px;background:var(--line-hover)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--accent-500);box-shadow:0 0 0 4px rgba(23,195,206,.14);
}
.tl-step{font-size:13px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.tl-item h3{margin:6px 0 8px;font-size:18px}
.tl-item p{font-size:14.8px;color:var(--text-mid);max-width:520px}
.timeline-side img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh1)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14.8px;color:var(--text-mid);align-items:flex-start}
.check-list svg{width:18px;height:18px;flex:0 0 auto;color:var(--accent-500);margin-top:5px}

/* ---------- split with sticky cta ---------- */
.split{display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start}
.prose-block h3{margin:0 0 10px;font-size:19px}
.prose-block p{color:var(--text-mid);font-size:15.6px;line-height:1.9}
.prose-block + .prose-block{margin-top:30px;padding-top:30px;border-top:1px solid var(--line)}
.data-note{
  margin-top:28px;padding:20px 22px;border-radius:var(--r-card);
  background:var(--bg-alt);border-left:4px solid var(--brand-500);
}
.data-note strong{color:var(--brand-900)}
.data-note p{font-size:14.6px;color:var(--text-mid)}
.sticky-wrap{position:sticky;top:140px}
.cta-card{
  background:var(--brand-700);border-radius:var(--r-cta);padding:30px 26px;color:#fff;
  box-shadow:var(--sh2);
}
.cta-card h3{color:#fff;font-size:20px;margin-bottom:12px}
.cta-card p{font-size:14.6px;color:rgba(255,255,255,.82);line-height:1.8;margin-bottom:22px}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid #fff;
  background:#fff;color:var(--brand-700);font-size:15px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-light:hover{background:rgba(255,255,255,.9);color:var(--brand-900);transform:translateY(-1px)}
.btn-outline-light2{
  display:inline-flex;align-items:center;justify-content:center;width:100%;margin-top:12px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;font-size:15px;font-weight:600;
  transition:background var(--ease),border-color var(--ease);
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.mini-facts{
  margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh1);
}
.mini-facts h4{font-size:15px;margin-bottom:12px}
.mini-facts li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-mid);padding:9px 0;border-bottom:1px dashed var(--line)}
.mini-facts li:last-child{border-bottom:none}
.mini-facts b{color:var(--brand-700);font-variant-numeric:tabular-nums}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene{
  display:flex;gap:18px;padding:26px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.scene-num{
  font-size:22px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums;
  line-height:1.2;flex:0 0 auto;min-width:40px;
}
.scene h3{font-size:17.5px;margin-bottom:8px}
.scene p{font-size:14.6px;color:var(--text-mid)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh1);
}
.accordion-button{
  width:100%;padding:20px 56px 20px 22px;font-size:16px;font-weight:600;color:var(--text);
  background:#fff;border:none;box-shadow:none!important;position:relative;text-align:left;
  transition:background var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:var(--bg-alt)}
.accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;
  border-right:1.9px solid var(--brand-500);border-bottom:1.9px solid var(--brand-500);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--ease);
  background-image:none!important;
}
.accordion-button.collapsed::after{transform:translateY(-30%) rotate(-45deg)}
.accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.85;color:var(--text-mid);border-left:3px solid var(--accent-500)}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover)}
.related-card .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-alt)}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:17.5px}
.related-body p{font-size:14.4px;color:var(--text-mid);flex:1}
.related-link{font-size:14px;font-weight:700;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.related-link svg{width:15px;height:15px;transition:transform var(--ease)}
.related-card:hover .related-link svg{transform:translateX(3px)}
.related-card.is-current{border-color:var(--brand-700);box-shadow:var(--sh2)}
.related-card.is-current .related-link{color:var(--text-weak)}

/* ---------- cta banner ---------- */
.cta-banner{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-cta);
  padding:56px 40px;text-align:center;
}
.cta-banner h2{margin-bottom:14px}
.cta-banner p{max-width:640px;margin:0 auto 28px;color:var(--text-mid);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(214,226,247,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-mark{filter:brightness(1.15)}
.footer-brand p{font-size:14.4px;line-height:1.85;color:rgba(214,226,247,.72);margin:16px 0 20px;max-width:320px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer-list li{margin-bottom:11px}
.footer-list a{color:rgba(214,226,247,.78);font-size:14.4px}
.footer-list a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.4px;margin-bottom:14px;color:rgba(214,226,247,.78)}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--accent-500)}
.social-row{display:flex;gap:12px}
.social-row a{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(214,226,247,.28);color:rgba(214,226,247,.85);
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.social-row a:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.social-row svg{width:18px;height:18px}
.footer-bottom{
  border-top:1px solid rgba(214,226,247,.16);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.4px;color:rgba(214,226,247,.6);
}
.footer-bottom ul{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-bottom a{color:rgba(214,226,247,.68)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .navtabs{position:static}
  .navtabs::before,.navtabs::after{display:none}
  .navtabs-scroll{height:auto;padding:12px 0}
  .search-box,.header-actions .link-plain,.header-actions .btn-main{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .float-card{position:static;width:100%;margin-top:16px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .dim-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-wrap{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:32px}
  .sticky-wrap{position:static}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .page-hero{padding:26px 0 52px}
  .hero-badges{margin:18px 0 24px}
  .scene-grid{grid-template-columns:1fr}
  .dim-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-banner{padding:40px 22px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .mobile-drawer{padding:16px 18px 22px}
  .stat-item{padding:22px 18px}
  .card{padding:22px 20px}
  .scene{padding:22px 20px;gap:14px}
  .section{padding:56px 0}
}