/* roulang page: index */
:root{
  --brand:#2F6BFF;
  --brand-deep:#1E4FD8;
  --brand-light:#EAF1FF;
  --accent:#FF8A3D;
  --ok:#10B981;
  --warn:#F59E0B;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2E8F0;
  --text:#0F172A;
  --text2:#475569;
  --text3:#64748B;
  --r-card:18px;
  --r-pic:14px;
  --r-btn:999px;
  --sh-soft:0 8px 24px rgba(15,23,42,.06);
  --sh-lift:0 16px 32px rgba(15,23,42,.10);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
a:hover{color:var(--brand-deep)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:min(1240px,calc(100% - 40px));margin:0 auto}
@media (max-width:768px){.container{width:calc(100% - 32px)}}

/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding-top:16px}
@media (min-width:768px){.site-header{padding-top:22px}}
.nav-pill{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 12px 0 16px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  box-shadow:var(--sh-soft);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.scrolled .nav-pill{background:rgba(255,255,255,.97);box-shadow:var(--sh-lift);border-color:#D8E2F5}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:linear-gradient(135deg,#2F6BFF,#1E4FD8);
  color:#fff;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,107,255,.32);
}
.logo-text{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
@media (min-width:1024px){.logo-text{font-size:16.5px}}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--text2);
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-light)}
.nav-link.is-active{color:var(--brand-deep);background:var(--brand-light)}
.menu-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text2);
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand)}
.drawer{
  margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--sh-lift);padding:14px;display:none;
}
.drawer.open{display:block}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--text2);
}
.drawer a:hover,.drawer a.is-active{background:var(--brand-light);color:var(--brand-deep)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(47,107,255,.26)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(30,79,216,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,138,61,.28)}
.btn-accent:hover{background:#F2762A;color:#fff;transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-secondary:hover{background:var(--brand-light);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text2)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ===== 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;line-height:1.6;
}
.badge-accent{background:#FFF3E9;color:#D96A21}
.badge-ok{background:#E7F8F1;color:#0B8E6A}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text2)}

/* ===== 板块 ===== */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
@media (min-width:1024px){.section{padding:104px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase}
.h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--text)}
.section-sub{margin-top:10px;max-width:600px;color:var(--text2);font-size:15.5px}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;padding-top:120px;padding-bottom:70px}
@media (min-width:1024px){.hero{padding-top:150px;padding-bottom:110px;min-height:78vh;display:flex;align-items:center}}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center right}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(246,249,254,.98) 0%,rgba(246,249,254,.94) 34%,rgba(246,249,254,.66) 60%,rgba(246,249,254,.22) 100%)}
.hero-grid{position:relative;display:grid;gap:44px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px}}
.hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.15;color:var(--text)}
.hero h1 em{font-style:normal;color:var(--brand-deep)}
.hero-lead{margin-top:20px;max-width:600px;font-size:16.5px;color:var(--text2);line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13.5px;font-weight:600;color:var(--text2);
}
.trust-chip i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.panel{
  background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--sh-lift);padding:24px;
}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row:first-of-type{padding-top:0}
.panel-label{font-size:14px;color:var(--text3)}
.panel-value{font-size:15px;font-weight:700;color:var(--text)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:8px;box-shadow:0 0 0 4px rgba(16,185,129,.14)}
.quick-links{display:grid;gap:10px;margin-top:18px}
.quick-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-radius:14px;background:var(--brand-light);
  font-size:14px;font-weight:700;color:var(--brand-deep);
}
.quick-links a:hover{background:#DCE8FF;transform:translateY(-1px)}

/* ===== 数据条 ===== */
.stat-grid{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-soft);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em}
.stat-num span{font-size:15px;font-weight:700;color:var(--text3);margin-left:2px}
.stat-title{margin-top:6px;font-size:15px;font-weight:700}
.stat-desc{margin-top:6px;font-size:13.5px;color:var(--text3);line-height:1.65}

/* ===== 横滑 ===== */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scroll-behavior:smooth}
.rail::-webkit-scrollbar{display:none}
.rail{-ms-overflow-style:none;scrollbar-width:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-soft);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
@media (max-width:520px){.rail-card{flex:0 0 82%}}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease)}
.rail-card:hover img{transform:scale(1.03)}
.rail-body{padding:18px}
.rail-body h3{font-size:17px;font-weight:700}
.rail-body p{margin-top:8px;font-size:14px;color:var(--text3);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--brand)}
.link-more:hover{gap:10px;color:var(--brand-deep)}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:42px;height:42px;border-radius:999px;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text2);
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}

/* ===== 精选非对称 ===== */
.feat-grid{display:grid;gap:22px}
@media (min-width:1024px){.feat-grid{grid-template-columns:minmax(0,1.62fr) minmax(0,1fr)}}
.feat-main{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;
  box-shadow:var(--sh-soft);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feat-main:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF}
.feat-main img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform var(--ease)}
.feat-main:hover img{transform:scale(1.03)}
.feat-main-body{padding:28px}
.feat-main-body h3{font-size:clamp(20px,2.4vw,26px);font-weight:700}
.feat-main-body p{margin-top:12px;color:var(--text2);font-size:15.5px}
.feat-side{display:grid;gap:22px}
.side-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-soft);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF}
.side-card img{width:112px;height:96px;border-radius:var(--r-pic);object-fit:cover;flex:0 0 112px;transition:transform var(--ease)}
.side-card:hover img{transform:scale(1.03)}
.side-card h4{font-size:16px;font-weight:700;line-height:1.45}
.side-card p{margin-top:6px;font-size:13.5px;color:var(--text3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:12.5px;color:var(--text3)}

/* ===== 最新动态 ===== */
.post-grid{display:grid;gap:20px}
@media (min-width:768px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.post-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-soft);color:inherit;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF;color:inherit}
.post-card img{width:118px;height:104px;border-radius:var(--r-pic);object-fit:cover;flex:0 0 118px;transition:transform var(--ease)}
.post-card:hover img{transform:scale(1.03)}
.post-card h3{font-size:16.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{margin-top:8px;font-size:13.5px;color:var(--text3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12.5px;color:var(--text3)}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:20px;
  padding:56px 24px;text-align:center;box-shadow:var(--sh-soft);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand-deep);
}
.empty-state strong{display:block;font-size:17px;font-weight:700}
.empty-state span{display:block;margin-top:8px;font-size:14px;color:var(--text3)}

/* ===== 核验要点 ===== */
.check-list{display:grid;gap:18px}
.check-item{
  display:grid;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-soft);align-items:center;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
@media (min-width:768px){.check-item{grid-template-columns:260px minmax(0,1fr)}}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF}
.check-item img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-pic);transition:transform var(--ease)}
.check-item:hover img{transform:scale(1.03)}
.check-item h3{font-size:18px;font-weight:700}
.check-item p{margin-top:10px;font-size:14.5px;color:var(--text2)}

/* ===== 分类专区 ===== */
.cat-grid{display:grid;gap:22px}
@media (min-width:900px){.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cat-banner{
  position:relative;display:block;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--sh-soft);color:inherit;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cat-banner:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE0FF;color:inherit}
.cat-banner img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform var(--ease)}
.cat-banner:hover img{transform:scale(1.03)}
.cat-body{padding:24px}
.cat-body h3{font-size:20px;font-weight:700}
.cat-body p{margin-top:10px;font-size:14.5px;color:var(--text2)}
.cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:13.5px;color:var(--text3)}
.cat-foot strong{color:var(--brand);font-weight:700}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-soft);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#CFE0FF;box-shadow:var(--sh-lift)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-icon{
  width:30px;height:30px;flex:0 0 30px;border-radius:999px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:#DCE8FF}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--text2);line-height:1.75}
.faq-item.open .faq-a{max-height:460px}

/* ===== CTA ===== */
.cta-band{
  background:var(--brand-light);border:1px solid #CFE0FF;border-radius:24px;
  padding:40px 28px;display:grid;gap:24px;align-items:center;
}
@media (min-width:900px){.cta-band{grid-template-columns:minmax(0,1fr) auto;padding:52px 56px}}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700}
.cta-band p{margin-top:12px;max-width:620px;color:var(--text2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{margin-top:80px;background:#0F172A;color:#CBD5E1;padding:64px 0 28px}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:16.5px}
.footer-text{margin-top:16px;font-size:14px;color:#94A3B8;line-height:1.8;max-width:360px}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:16px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:#CBD5E1}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(226,232,240,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#94A3B8;
}

/* roulang page: category1 */
:root{
  --brand:#2F6BFF;
  --brand-dark:#1E4FD8;
  --brand-light:#EAF1FF;
  --accent:#FF8A3D;
  --accent-dark:#E9741F;
  --green:#10B981;
  --warn:#F59E0B;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2E8F0;
  --text:#0F172A;
  --text-2:#475569;
  --text-3:#64748B;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-sm:0 8px 24px rgba(15,23,42,.06);
  --shadow-md:0 16px 32px rgba(15,23,42,.10);
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.02em}
.section-sub{margin-top:14px;font-size:16px;color:var(--text-2)}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:min(1200px,100%);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 8px 24px rgba(15,23,42,.06);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.nav-pill.is-scrolled{background:rgba(255,255,255,.97);box-shadow:0 14px 32px rgba(15,23,42,.12)}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;
  box-shadow:0 6px 14px rgba(47,107,255,.28);
}
.logo-text{font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.nav-link{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.is-active{color:var(--brand);background:var(--brand-light)}
.menu-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand)}
.drawer{
  position:fixed;top:82px;left:16px;right:16px;z-index:79;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:18px;
  display:none;
}
.drawer.is-open{display:block}
.drawer a{display:block;padding:12px 14px;border-radius:14px;font-weight:600;color:var(--text-2);font-size:15px}
.drawer a:hover,.drawer a.is-active{background:var(--brand-light);color:var(--brand)}
.drawer .drawer-cta{margin-top:12px;display:flex}
.drawer .drawer-cta .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  padding:13px 24px;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(47,107,255,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(47,107,255,.22)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,138,61,.28)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:#B9CDFF}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost{background:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-accent{background:#FFF1E7;color:#B45309}
.badge-green{background:#E7F8F1;color:#047857}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text-2)}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#CBD5E1}
.crumb .current{color:var(--text);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#fff;padding-top:118px;border-bottom:1px solid var(--line)}
.page-hero-bg{position:absolute;inset:0}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center right}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.93) 42%,rgba(255,255,255,.55) 72%,rgba(255,255,255,.35) 100%);
}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:40px;align-items:center;padding:44px 0 64px}
.hero-copy{max-width:720px}
.hero-title{font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-top:18px}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-desc{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;font-size:13.5px;font-weight:600;color:var(--text-2);
  box-shadow:0 4px 12px rgba(15,23,42,.04);
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:26px 26px 22px;
}
.hero-card h3{font-size:17px;font-weight:800}
.hero-card .hc-sub{font-size:13.5px;color:var(--text-3);margin-top:6px}
.hc-list{margin-top:18px;border-top:1px solid var(--line)}
.hc-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.hc-row:last-child{border-bottom:0}
.hc-row span:first-child{color:var(--text-2)}
.hc-row span:last-child{font-weight:700;color:var(--text)}
.hc-row .ok{color:var(--green)}
.hc-note{margin-top:16px;background:var(--brand-light);border-radius:14px;padding:14px 16px;font-size:13.5px;color:#1E40AF;line-height:1.7}

/* ---------- 数据速览 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFDDFF}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.stat-num small{font-size:15px;font-weight:700;color:var(--text-3);margin-left:4px}
.stat-label{margin-top:8px;font-size:15px;font-weight:700}
.stat-text{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:31px;top:26px;bottom:26px;width:2px;background:#D6E3FF}
.tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:relative;z-index:2;
  width:64px;height:64px;border-radius:20px;
  background:#fff;border:2px solid #D6E3FF;color:var(--brand);
  font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(47,107,255,.10);
}
.tl-item.is-key .tl-num{background:var(--brand);border-color:var(--brand);color:#fff}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFDDFF}
.tl-card h3{font-size:20px;font-weight:800}
.tl-card p{margin-top:10px;color:var(--text-2);font-size:15.5px}
.tl-points{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tl-points span{
  font-size:13px;font-weight:600;color:var(--text-2);
  background:#F1F5F9;border-radius:999px;padding:6px 12px;
}

/* ---------- 多端卡片 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFDDFF}
.device-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EEF3FD}
.device-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.device-card:hover .device-thumb img{transform:scale(1.03)}
.device-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.device-body h3{font-size:17.5px;font-weight:800}
.device-body p{font-size:14.5px;color:var(--text-2);flex:1}
.device-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.device-link:hover{color:var(--brand-dark)}

/* ---------- 核验清单（图文） ---------- */
.check-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:center}
.check-figure{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);background:#fff}
.check-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-figure figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);border-radius:14px;padding:12px 16px;
  font-size:13px;color:var(--text-2);line-height:1.6;border:1px solid var(--line);
}
.check-list{display:grid;gap:14px}
.check-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFDDFF}
.check-icon{
  width:44px;height:44px;border-radius:14px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.check-item h3{font-size:16.5px;font-weight:800}
.check-item p{margin-top:6px;font-size:14.5px;color:var(--text-2)}
.note-bar{
  margin-top:26px;display:flex;gap:14px;align-items:flex-start;
  background:#FFFBEB;border:1px solid #FDE68A;border-radius:16px;padding:16px 20px;
}
.note-bar .nb-icon{color:var(--warn);font-weight:800;flex:0 0 auto}
.note-bar p{font-size:14.5px;color:#92400E;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFDDFF;box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);text-align:left;
}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:16px;font-weight:800;
  transition:transform .25s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  background:#fff;border:1px solid #CFDDFF;border-radius:24px;
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-sm);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F172A;color:#CBD5E1;padding:68px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:16px}
.footer-brand .logo-mark{background:var(--brand);box-shadow:none}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.footer-links a{display:block;color:#CBD5E1;font-size:14.5px;padding:6px 0}
.footer-links a:hover{color:#fff}
.footer-text{color:#94A3B8;font-size:14px;line-height:1.8;margin-top:18px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#94A3B8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .page-hero-inner{grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);gap:32px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .section{padding:68px 0}
  .page-hero{padding-top:110px}
  .page-hero-inner{grid-template-columns:1fr;padding:36px 0 52px}
  .page-hero-bg::after{background:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.92) 55%,rgba(255,255,255,.78) 100%)}
  .hero-card{max-width:640px}
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-sm{padding:40px 0}
  .nav-wrap{top:14px}
  .nav-pill{padding:8px 10px 8px 14px}
  .logo-text{font-size:14.5px}
  .page-hero{padding-top:96px}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .device-grid{grid-template-columns:1fr;gap:16px}
  .timeline::before{display:none}
  .tl-item{grid-template-columns:1fr;gap:14px;padding-bottom:20px}
  .tl-num{width:52px;height:52px;border-radius:16px;font-size:17px}
  .tl-card{padding:20px}
  .cta-band{padding:32px 22px;border-radius:20px}
  .check-figure figcaption{position:static;margin:0;border:0;border-radius:0;background:#F8FAFF}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-title{font-size:30px}
  .crumb{font-size:12.5px}
  .hero-tag{font-size:13px;padding:7px 12px}
}

/* roulang page: article */
:root{
  --brand:#2F6BFF;
  --brand-dark:#1E4FD8;
  --brand-soft:#EAF1FF;
  --brand-line:#C7D9FF;
  --accent:#FF8A3D;
  --success:#10B981;
  --warn:#F59E0B;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2E8F0;
  --text:#0F172A;
  --text-2:#475569;
  --text-3:#64748B;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-sm:0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:0 16px 32px rgba(15,23,42,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block}
.site-body a{color:inherit;text-decoration:none}
.site-body ul,.site-body ol{list-style:none;margin:0;padding:0}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;line-height:1.25;color:var(--text)}
.site-body p{margin:0}
.site-body button{font:inherit;cursor:pointer}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* 悬浮胶囊导航 */
.nav-pill{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-sm);z-index:80;
  transition:background .2s ease,box-shadow .2s ease;
}
.nav-pill.is-scrolled{background:rgba(255,255,255,.97);box-shadow:0 12px 28px rgba(15,23,42,.10)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;flex:0 0 auto;letter-spacing:0;
}
.logo-text{font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:999px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.menu-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:.2s ease;
}
.menu-btn:hover{border-color:var(--brand-line);color:var(--brand)}
.drawer{
  position:fixed;top:84px;left:50%;transform:translateX(-50%) translateY(-8px);
  width:min(1200px,calc(100% - 32px));
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-lg);padding:14px;z-index:79;
  opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drawer a{display:block;padding:12px 14px;border-radius:12px;color:var(--text-2);font-weight:600;font-size:15px}
.drawer a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer a.is-active{color:var(--brand);background:var(--brand-soft)}
.drawer .btn{width:100%;justify-content:center;margin-top:8px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px rgba(47,107,255,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(47,107,255,.22)}
.btn-secondary{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-sm{padding:9px 18px;font-size:14px}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;line-height:1.4;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-accent{background:#FFF1E6;color:#C2410C}
.badge-green{background:#E7F8F1;color:#047857}

/* 文章头部 */
.page-hero{position:relative;padding:150px 0 62px;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.6) 0%,rgba(255,255,255,.94) 62%,#fff 100%);
}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#CBD5E1}
.breadcrumb .current{color:var(--text);font-weight:600}
.article-title{
  font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.22;
  margin:14px 0 18px;max-width:920px;
}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1;flex:0 0 auto}

/* 文章主体与目录 */
.article-section{padding:56px 0 72px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:48px;align-items:start}
.article-wrap.no-toc{grid-template-columns:minmax(0,1fr)}
.article-main{max-width:820px;min-width:0}
.toc-col{position:sticky;top:104px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:18px 16px 12px}
.toc-title{font-size:12.5px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:10px}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.5;
  padding:7px 10px;border-radius:10px;border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.toc-list a.is-active{color:var(--brand-dark);background:var(--brand-soft);border-left-color:var(--brand);font-weight:600}
.toc-list a.lvl-3{padding-left:22px;font-size:13.5px;color:var(--text-3)}
.toc-mobile{
  display:none;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;margin-bottom:24px;box-shadow:var(--shadow-sm);
}
.toc-mobile summary{cursor:pointer;font-weight:700;color:var(--text);font-size:15px;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";float:right;color:var(--brand);font-weight:700}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile[open] summary{margin-bottom:10px}

/* 正文排版 */
.article-body{
  font-size:17px;line-height:1.85;color:var(--text-2);overflow-wrap:break-word;
}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);font-weight:700;color:var(--text);
  margin-top:2.2em;margin-bottom:.9em;padding-left:14px;border-left:4px solid var(--brand);
  scroll-margin-top:118px;
}
.article-body h3{
  font-size:20px;font-weight:700;color:var(--text);
  margin-top:1.8em;margin-bottom:.7em;scroll-margin-top:118px;
}
.article-body p{color:var(--text-2)}
.article-body ul,.article-body ol{list-style:disc;padding-left:1.5em;margin:1.2em 0}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;color:var(--text-2)}
.article-body li::marker{color:var(--brand)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body strong{color:var(--text);font-weight:700}
.article-body img{border-radius:var(--radius-img);box-shadow:var(--shadow-sm);margin:1.6em auto;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body blockquote p{margin:0}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:2.4em 0}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#F1F5F9;color:var(--text);font-weight:700}
.article-body tbody tr:nth-child(even) td{background:#FAFBFE}
.article-body code{background:#F1F5F9;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-dark)}

.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed #CBD5E1;border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-state h3{font-size:19px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:20px}

.back-links{
  display:flex;gap:24px;flex-wrap:wrap;margin-top:44px;padding-top:26px;
  border-top:1px solid var(--line);font-size:15px;font-weight:600;
}
.back-links a{color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease}
.back-links a:hover{color:var(--brand-dark);gap:10px}

/* 板块与卡片 */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em}
.section-sub{color:var(--text-3);font-size:14.5px;margin-top:8px;max-width:640px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-line)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--brand-dark);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.45}
.card-title a:hover{color:var(--brand)}
.card-text{font-size:14.5px;color:var(--text-3);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3)}
.text-link{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-dark)}

/* 底部 CTA */
.cta-band{
  border:1px solid var(--brand-line);background:var(--brand-soft);border-radius:24px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em}
.cta-band p{color:var(--text-2);margin-top:10px;max-width:600px;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#0F172A;color:#CBD5E1;padding:64px 0 28px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16px;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--brand)}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.footer-links a{display:block;color:#CBD5E1;font-size:14px;margin-bottom:10px;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-text{color:#94A3B8;font-size:14px;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:#94A3B8;font-size:13px;
}

/* 响应式 */
@media (max-width:1024px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .toc-col{display:none}
  .toc-mobile{display:block}
  .article-main{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:134px 0 52px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .article-section{padding:40px 0 56px}
  .cta-band{padding:34px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .article-title{font-size:clamp(24px,7vw,32px)}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .logo-text{font-size:14px}
  .nav-pill{padding:8px 10px 8px 12px;top:12px}
  .page-hero{padding:120px 0 44px}
  .article-body{font-size:16.5px}
}

/* roulang page: category2 */
:root{
    --brand:#2F6BFF;
    --brand-deep:#1E4FD8;
    --brand-light:#EAF1FF;
    --brand-line:#CFE0FF;
    --accent:#FF8A3D;
    --ok:#10B981;
    --warn:#F59E0B;
    --bg:#F6F9FE;
    --card:#FFFFFF;
    --line:#E2E8F0;
    --ink:#0F172A;
    --ink-2:#475569;
    --ink-3:#64748B;
    --radius:18px;
    --radius-sm:14px;
    --shadow:0 8px 24px rgba(15,23,42,.06);
    --shadow-hover:0 16px 32px rgba(15,23,42,.10);
    --ease:200ms ease;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;cursor:pointer}
  h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
  p{margin:0}
  ul{margin:0;padding:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
  @media (max-width:640px){.container{padding:0 16px}}

  /* ============ 悬浮胶囊导航 ============ */
  .site-header{position:fixed;top:0;left:0;right:0;z-index:80;padding:16px 0;transition:padding var(--ease)}
  .site-header.is-scrolled{padding:10px 0}
  .nav-pill{
    width:min(1200px,calc(100% - 32px));
    margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:999px;
    padding:10px 12px 10px 16px;
    box-shadow:var(--shadow);
    transition:background var(--ease),box-shadow var(--ease);
  }
  .site-header.is-scrolled .nav-pill{background:rgba(255,255,255,.97);box-shadow:0 12px 30px rgba(15,23,42,.10)}
  .logo-mark{
    flex:0 0 auto;
    width:38px;height:38px;border-radius:12px;
    background:linear-gradient(135deg,var(--brand),var(--brand-deep));
    color:#fff;font-weight:800;font-size:17px;
    display:grid;place-items:center;
  }
  .logo-text{font-weight:800;font-size:16px;letter-spacing:-.02em;white-space:nowrap;color:var(--ink)}
  @media (max-width:520px){
    .logo-text{font-size:13.5px;max-width:132px;overflow:hidden;text-overflow:ellipsis}
    .logo-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  }
  .nav-link{
    display:inline-block;padding:9px 14px;border-radius:999px;
    font-size:15px;color:var(--ink-2);white-space:nowrap;
    transition:color var(--ease),background var(--ease);
  }
  .nav-link:hover{color:var(--brand);background:var(--brand-light)}
  .nav-link.is-active{color:var(--brand-deep);background:var(--brand-light);font-weight:700}
  .menu-btn{
    width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--ink-2);transition:var(--ease);
  }
  .menu-btn:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-light)}
  .mobile-drawer{
    display:none;
    width:min(1200px,calc(100% - 32px));
    margin:12px auto 0;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:16px;box-shadow:0 24px 48px rgba(15,23,42,.14);
  }
  .mobile-drawer.is-open{display:block}
  .mobile-drawer a.drawer-link{
    display:block;padding:12px 14px;border-radius:14px;font-size:16px;color:var(--ink-2);
    transition:var(--ease);
  }
  .mobile-drawer a.drawer-link:hover,
  .mobile-drawer a.drawer-link.is-active{background:var(--brand-light);color:var(--brand-deep);font-weight:700}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;border:1px solid transparent;
    font-weight:700;font-size:15px;padding:12px 22px;white-space:nowrap;
    transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(47,107,255,.22)}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(47,107,255,.28)}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(47,107,255,.20)}
  .btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(255,138,61,.24)}
  .btn-accent:hover{background:#F2762A;transform:translateY(-1px)}
  .btn-secondary{background:#fff;border-color:var(--brand);color:var(--brand)}
  .btn-secondary:hover{background:var(--brand-light)}
  .btn-ghost{background:transparent;color:var(--ink-2)}
  .btn-ghost:hover{color:var(--brand);background:var(--brand-light)}
  .btn-sm{padding:9px 18px;font-size:14px}

  /* ============ 内页 Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    margin-top:0;padding:150px 0 72px;min-height:400px;
    display:flex;align-items:center;
    background:#EAF1FF;
  }
  .page-hero__bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    opacity:.30;
  }
  .page-hero__veil{
    position:absolute;inset:0;
    background:linear-gradient(90deg,#F6F9FE 0%,rgba(246,249,254,.92) 44%,rgba(246,249,254,.42) 100%);
  }
  .page-hero .container{position:relative;z-index:2}
  .crumbs{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .crumbs a{color:var(--ink-3);transition:color var(--ease)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{color:#CBD5E1}
  .crumbs .current{color:var(--ink);font-weight:600}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:#fff;border:1px solid var(--brand-line);color:var(--brand-deep);
    font-size:13px;font-weight:700;margin-bottom:20px;
  }
  .hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
  .page-hero h1{
    font-size:clamp(30px,4.4vw,50px);
    font-weight:800;line-height:1.16;letter-spacing:-.02em;
    max-width:820px;margin-bottom:20px;
  }
  .page-hero .lead{font-size:clamp(16px,1.5vw,18px);color:var(--ink-2);max-width:700px;margin-bottom:30px;line-height:1.8}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .hero-tag{
    display:inline-flex;align-items:center;gap:7px;
    padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
    font-size:13.5px;color:var(--ink-2);font-weight:600;
  }
  .hero-tag svg{color:var(--brand)}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:92px 0}}
  .section-head{max-width:760px;margin-bottom:36px}
  .section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:14px}
  .section-head p{color:var(--ink-2);font-size:16px}
  .eyebrow{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--brand);margin-bottom:12px;
  }

  /* ============ 卡片 ============ */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow-hover)}
  .card-static:hover{transform:none}
  .card-title{font-size:19px;font-weight:700;line-height:1.45}
  .card-text{font-size:15px;color:var(--ink-2);line-height:1.75}
  .badge{
    display:inline-flex;align-items:center;align-self:flex-start;
    padding:4px 12px;border-radius:999px;
    background:var(--brand-light);color:var(--brand-deep);
    font-size:12.5px;font-weight:700;letter-spacing:.01em;
  }
  .badge-warn{background:#FEF3C7;color:#B45309}
  .badge-ok{background:#D1FAE5;color:#047857}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;margin-top:4px;
    font-size:14px;font-weight:700;color:var(--brand);
    transition:color var(--ease),gap var(--ease);
  }
  .link-arrow:hover{color:var(--brand-deep);gap:10px}

  /* ============ 侧栏 ============ */
  .aside-sticky{display:flex;flex-direction:column;gap:20px}
  @media (min-width:1024px){.aside-sticky{position:sticky;top:104px}}
  .aside-title{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:9px}
  .aside-title .mark{width:4px;height:18px;border-radius:999px;background:var(--brand)}
  .tip-list{list-style:none;display:flex;flex-direction:column;gap:13px}
  .tip-list li{position:relative;padding-left:28px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
  .tip-list li::before{
    content:"";position:absolute;left:0;top:7px;
    width:15px;height:15px;border-radius:50%;
    background:var(--brand-light);border:2px solid var(--brand);
  }
  .aside-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:13px 14px;border-radius:14px;border:1px solid var(--line);
    font-size:14.5px;font-weight:600;color:var(--ink);
    transition:var(--ease);
  }
  .aside-link:hover{border-color:var(--brand-line);background:var(--brand-light);color:var(--brand-deep)}
  .aside-link span.arrow{color:var(--brand);font-weight:700}

  /* ============ 安全自查图文块 ============ */
  .feature-band{
    display:grid;grid-template-columns:1.05fr .95fr;gap:0;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow);overflow:hidden;
  }
  .feature-band__body{padding:48px}
  .feature-band__media{position:relative;min-height:320px}
  .feature-band__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
  .feature-band:hover .feature-band__media img{transform:scale(1.03)}
  .check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;margin-top:26px}
  .check-item{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
  .check-item svg{flex:0 0 auto;margin-top:5px;color:var(--ok)}
  @media (max-width:1024px){
    .feature-band{grid-template-columns:1fr}
    .feature-band__media{min-height:240px;order:-1}
    .feature-band__body{padding:32px}
  }
  @media (max-width:640px){.check-grid{grid-template-columns:1fr}}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .faq-item:hover{border-color:var(--brand-line);box-shadow:var(--shadow)}
  .faq-item.is-open{border-color:var(--brand-line);box-shadow:var(--shadow)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;background:none;border:0;text-align:left;
    font-size:17px;font-weight:700;color:var(--ink);
  }
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    background:var(--brand-light);color:var(--brand);
    display:grid;place-items:center;transition:transform var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(180deg)}
  .faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.75}
  .faq-item.is-open .faq-a{display:block}

  /* ============ CTA 横幅 ============ */
  .cta-band{
    background:var(--brand-light);
    border:1px solid var(--brand-line);
    border-radius:24px;
    padding:48px 52px;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
  }
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px}
  .cta-band p{color:var(--ink-2);font-size:16px;max-width:620px}
  @media (max-width:768px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px}
    .cta-band .cta-actions{width:100%}
    .cta-band .cta-actions .btn{width:100%}
  }

  /* ============ 页脚 ============ */
  .site-footer{background:#0F172A;color:#CBD5E1;padding:64px 0 28px;margin-top:24px}
  .footer-grid{display:grid;gap:36px;grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  @media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px}}
  .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;letter-spacing:-.02em}
  .footer-text{font-size:14px;line-height:1.75;color:#94A3B8;margin:0}
  .footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{color:#CBD5E1;font-size:14px;transition:color var(--ease)}
  .footer-links a:hover{color:#fff}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(148,163,184,.2);
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:#94A3B8;
  }