/* roulang page: index */
:root{
  --brand:#2456D9;
  --brand-dark:#1B41AC;
  --brand-soft:#EAF0FF;
  --ink:#101828;
  --ink-deep:#0C1526;
  --ink-darker:#0B1220;
  --ink-mid:#4A5568;
  --ink-soft:#8A94A6;
  --neon:#38E1CE;
  --line:#E6EAF2;
  --warm:#F5A524;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --shadow-sm:0 8px 24px rgba(12,21,38,.06);
  --shadow-md:0 16px 40px rgba(12,21,38,.12);
  --wrap:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC','Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:600}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(36,86,217,.16)}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--neon);border-radius:2px}
.h2{font-size:34px;line-height:1.25;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.lead{color:var(--ink-mid);font-size:16px;line-height:1.9;margin-top:14px}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--ink-darker);color:#B7C0D4;font-size:13px;height:32px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px}
.topbar-note{font-size:12.5px;color:#8A94A6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;align-items:center;gap:18px;flex-shrink:0}
.topbar-links a{color:#B7C0D4;font-size:12.5px}
.topbar-links a:hover{color:#fff}
.topbar-cta{
  background:var(--neon);color:var(--ink-darker);
  padding:3px 12px;border-radius:6px;font-weight:600;font-size:12.5px;
  transition:transform .18s ease-out,filter .18s ease-out;
}
.topbar-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}

/* ---------- 主导航 ---------- */
.navbar{
  position:sticky;top:0;z-index:50;
  background:var(--ink-deep);
  height:68px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(56,225,206,.45),rgba(36,86,217,.45)) 1;
  box-shadow:0 6px 24px rgba(11,18,32,.35);
}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:flex;align-items:center;gap:10px;height:68px;flex-shrink:0}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9)}
.logo-main{font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em}
.logo-sub{font-size:11.5px;font-weight:500;color:#8A94A6;letter-spacing:.02em;padding-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 13px;border-radius:8px;
  color:#B7C0D4;font-size:15px;line-height:1.4;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--neon);opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .18s ease-out,transform .18s ease-out;transition-delay:.06s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link:hover::after{opacity:.5;transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(56,225,206,.85)}
.nav-link.active::before{
  content:"";position:absolute;right:8px;top:8px;width:4px;height:4px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.85);
  animation:navBreath 3.2s ease-in-out infinite;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
  transition:transform .2s ease-out;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

@keyframes navBreath{
  0%,100%{opacity:.55;transform:scale(.9)}
  50%{opacity:1;transform:scale(1.15)}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(36,86,217,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 26px rgba(36,86,217,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(36,86,217,.28)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid rgba(36,86,217,.42)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px)}
.btn-neon{background:var(--neon);color:var(--ink-darker);height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-neon:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- 标签 / 胶囊 ---------- */
.chip{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}
.chip-dark{background:rgba(56,225,206,.12);color:var(--neon)}
.badge-line{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:500;color:var(--ink-mid);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 4%,rgba(36,86,217,.14),transparent 62%),
    radial-gradient(620px 380px at 4% 96%,rgba(56,225,206,.10),transparent 60%),
    #F5F7FB;
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  min-height:520px;padding-top:72px;padding-bottom:72px;
}
.hero-copy{max-width:640px}
.hero h1{
  font-size:48px;line-height:1.15;font-weight:700;color:var(--ink);
  letter-spacing:-.015em;margin-top:16px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-mid);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-mid)}
.dot-neon{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(56,225,206,.8);flex-shrink:0}
.hero-media{position:relative}
.hero-frame{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid rgba(56,225,206,.45);
  box-shadow:0 24px 60px rgba(12,21,38,.16),0 0 0 6px rgba(56,225,206,.06);
  animation:heroRing 5s ease-in-out infinite;
}
.hero-frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(12,21,38,.82);color:#fff;
  border-radius:10px;padding:8px 14px;font-size:13px;
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(4px);
}
@keyframes heroRing{
  0%,100%{box-shadow:0 24px 60px rgba(12,21,38,.16),0 0 0 6px rgba(56,225,206,.05)}
  50%{box-shadow:0 24px 60px rgba(12,21,38,.16),0 0 0 10px rgba(56,225,206,.12)}
}

/* ---------- 痛点编号段 ---------- */
.pain-list{border-top:1px solid var(--line)}
.pain-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s ease-out;
}
.pain-num{
  font-size:30px;font-weight:700;line-height:1;color:rgba(36,86,217,.28);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;padding-top:4px;
}
.pain-title{font-size:19px;font-weight:600;color:var(--ink)}
.pain-desc{margin-top:6px;color:var(--ink-mid);font-size:15.5px;line-height:1.85;max-width:780px}
.pain-item:hover .pain-num{color:var(--brand)}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split + .split{margin-top:72px}
.split.reverse .split-media{order:-1}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h3{font-size:24px;font-weight:600;margin-top:14px}
.split .lead{font-size:15.5px}
.point-list{margin-top:24px;display:grid;gap:14px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-mid)}
.point-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;margin-top:3px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.point-list strong{color:var(--ink);font-weight:600}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--ink-deep);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stat-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 240px at 82% 0%,rgba(56,225,206,.16),transparent 65%);
  pointer-events:none;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.stat-num{
  font-size:38px;font-weight:700;color:var(--neon);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-label{margin-top:8px;font-size:14px;color:#B7C0D4}
.stat-band .wrap > .band-title{
  color:#fff;font-size:24px;font-weight:600;margin-bottom:36px;max-width:640px;
}

/* ---------- 成果卡 ---------- */
.result-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.result-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;gap:12px;
}
.result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(36,86,217,.3)}
.result-card.feature{grid-row:span 2;background:linear-gradient(180deg,#fff 0%,#F7FAFF 100%)}
.result-card h3{font-size:20px;font-weight:600}
.result-card p{color:var(--ink-mid);font-size:15px;line-height:1.85}
.result-card.feature h3{font-size:24px}
.step-mini{display:grid;gap:12px;margin-top:6px}
.step-mini li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 14px;border-radius:var(--r-md);background:#F8FAFD;border:1px solid var(--line);
  font-size:14.5px;color:var(--ink-mid);
}
.step-mini b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- 证言 ---------- */
.quote-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.quote-mark{
  font-size:72px;line-height:.8;color:rgba(36,86,217,.14);font-weight:700;
  font-family:Georgia,serif;
}
.quote-text{font-size:21px;line-height:1.75;color:var(--ink);margin-top:8px;max-width:820px}
.quote-foot{display:flex;align-items:center;gap:14px;margin-top:28px}
.avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#2456D9,#38E1CE);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:15px;flex-shrink:0;
}
.quote-name{font-size:15px;font-weight:600;color:var(--ink)}
.quote-role{font-size:13px;color:var(--ink-soft)}
.quote-dots{display:flex;gap:8px;margin-left:auto}
.quote-dots button{
  width:9px;height:9px;border-radius:50%;background:var(--line);
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.quote-dots button.on{background:var(--brand);transform:scale(1.25)}
.quote-dots button:hover{background:var(--ink-soft)}

/* ---------- 最新信息 CMS ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600}
.link-more:hover{color:var(--brand-dark)}
.link-more span{transition:transform .2s ease-out}
.link-more:hover span{transform:translateX(3px)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(36,86,217,.3)}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EEF2F9}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{
  font-size:17.5px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand)}
.news-sum{
  color:var(--ink-mid);font-size:14.5px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
}
.news-arrow{transition:transform .2s ease-out;color:var(--brand);font-weight:700}
.news-card:hover .news-arrow{transform:translateX(3px)}
.empty-state{
  border:1.5px dashed #CBD5E6;border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;background:#FBFCFE;
}
.empty-icon{
  width:44px;height:44px;border-radius:12px;margin:0 auto 14px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
}
.empty-state p{color:var(--ink-mid);font-size:14.5px}
.empty-state .btn{margin-top:18px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:background-color .18s ease-out;
}
.faq-q:hover{background:#FAFBFE}
.faq-idx{color:var(--brand);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;flex-shrink:0}
.faq-plus{
  margin-left:auto;flex-shrink:0;width:18px;height:18px;position:relative;
  transition:transform .22s ease-out;color:var(--ink-soft);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-plus{transform:rotate(45deg);color:var(--brand)}
.faq-a{
  display:none;padding:0 22px 22px 56px;
  color:var(--ink-mid);font-size:15px;line-height:1.9;
  background:#F8FAFD;border-left:2px solid var(--brand);
  padding-top:18px;margin-left:0;
}
.faq-item.open .faq-a{display:block}
.faq-item.open{border-color:rgba(36,86,217,.34)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink-deep);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,225,206,.20),transparent 68%);pointer-events:none;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;position:relative;
}
.cta-bar{width:4px;align-self:stretch;background:var(--neon);border-radius:4px;box-shadow:0 0 18px rgba(56,225,206,.7)}
.cta-text{display:flex;gap:22px;align-items:center}
.cta-text h2{color:#fff;font-size:28px;font-weight:600;line-height:1.4}
.cta-text p{color:#B7C0D4;font-size:15px;margin-top:8px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-darker);color:#B7C0D4;padding-top:64px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(56,225,206,.7),rgba(36,86,217,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-main{font-size:18px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#8A94A6;max-width:320px}
.footer-title{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#B7C0D4;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-meta{font-size:14px;line-height:1.95;color:#8A94A6}
.footer-meta strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#6E7A90;
}
.footer-bottom a{color:#8A94A6}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;left:0;right:0;top:100px;bottom:0;z-index:49;
    background:var(--ink-deep);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:20px 24px 40px;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .2s ease-out,transform .2s ease-out;
    overflow-y:auto;
  }
  .nav-menu.open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{padding:14px 16px;font-size:16px;border-left:3px solid transparent;border-radius:8px}
  .nav-link::after{display:none}
  .nav-link.active{border-left-color:var(--neon);background:rgba(56,225,206,.08)}
  .nav-link.active::before{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0;padding-top:52px;padding-bottom:56px}
  .hero h1{font-size:36px}
  .hero-media{order:-1;max-width:560px}
  .h2{font-size:27px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:56px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .result-grid{grid-template-columns:1fr}
  .result-card.feature{grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:48px 0}
  .quote-text{font-size:18px}
  .section{padding:64px 0}
}

@media (max-width:639px){
  .wrap{padding:0 20px}
  .topbar-note{display:none}
  .topbar-links{gap:14px;width:100%;justify-content:space-between}
  .navbar{height:64px}
  .logo{height:64px}
  .logo-main{font-size:17px}
  .logo-sub{font-size:10.5px}
  .nav-menu{top:96px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .h2{font-size:24px}
  .pain-item{grid-template-columns:56px 1fr;gap:12px;padding:22px 0}
  .pain-num{font-size:22px}
  .pain-title{font-size:17px}
  .feel-card{padding:22px}
  .stat-num{font-size:30px}
  .news-grid{grid-template-columns:1fr}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .quote-card{padding:24px}
  .cta-text{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-text h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-a{padding-left:22px}
  .section{padding:52px 0}
  .cta-inner .btn{width:100%}
}

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

/* roulang page: category1 */
:root{
  --brand:#2456D9;
  --brand-dark:#1C46B8;
  --ink:#0C1526;
  --ink-deep:#0B1220;
  --neon:#38E1CE;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#4A5568;
  --weak:#8A94A6;
  --line:#E6EAF2;
  --warm:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --sh-1:0 8px 24px rgba(12,21,38,.06);
  --sh-2:0 16px 40px rgba(12,21,38,.12);
  --wrap:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
h1,h2,h3{line-height:1.25;font-weight:600;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 顶部工具条 ============ */
.topbar{background:var(--ink-deep);color:#B7C0D4;font-size:12.5px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;padding-top:6px;padding-bottom:6px;}
.topbar-note{color:#98A2B8;letter-spacing:.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-links{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.topbar-links a{color:#B7C0D4;transition:color .18s ease;}
.topbar-links a:hover{color:#fff;}
.topbar-cta{
  background:var(--neon);
  color:#08202A !important;
  font-weight:700;
  padding:3px 12px;
  border-radius:999px;
  font-size:12px;
  transition:filter .18s ease;
}
.topbar-cta:hover{filter:brightness(1.08);}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:60;}
.navbar{position:sticky;top:0;z-index:60;background:#0C1526;border-bottom:1px solid rgba(56,225,206,.35);}
.navbar::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(56,225,206,.75),rgba(36,86,217,.55),transparent);
  opacity:.55;pointer-events:none;
}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}

.logo{display:inline-flex;align-items:center;gap:8px;height:30px;color:#fff;font-weight:700;letter-spacing:.02em;flex-shrink:0;}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9);}
.logo-main{font-size:19px;line-height:1;}
.logo-sub{font-size:12px;color:#9FB0CC;font-weight:500;letter-spacing:.06em;line-height:1;}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 13px;font-size:15px;color:#B7C0D4;
  border-radius:var(--r-sm);transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;border-radius:2px;
  background:var(--neon);opacity:0;transform:scaleX(.4);transform-origin:left center;
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link:hover::after{opacity:.45;transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(56,225,206,.85);}

.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;border-radius:10px;
  background:var(--neon);color:#08202A;font-size:14px;font-weight:700;
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 6px 18px rgba(56,225,206,.22);
}
.btn-neon:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 24px rgba(56,225,206,.32);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;position:relative;z-index:80;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:#E7EDF9;position:relative;
  transition:transform .22s ease,background .22s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:40px 0 76px;
  background:
    radial-gradient(820px 400px at 88% -20%,rgba(36,86,217,.42),transparent 70%),
    radial-gradient(600px 320px at 4% 110%,rgba(56,225,206,.16),transparent 72%),
    linear-gradient(180deg,#0B1220 0%,#101C33 100%);
  color:#fff;
  overflow:hidden;
}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:48px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8FA0BE;margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:#B7C0D4;transition:color .18s ease;}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:#4E5F7D;}
.breadcrumb .current{color:#fff;font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(56,225,206,.12);border:1px solid rgba(56,225,206,.42);
  color:var(--neon);font-size:12px;font-weight:700;letter-spacing:.06em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9);}
.page-hero h1{font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.01em;color:#fff;}
.lede{margin-top:18px;font-size:17px;line-height:1.8;color:#AEBBD4;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(36,86,217,.3);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 30px rgba(36,86,217,.4);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(56,225,206,.7);color:#fff;}
.btn-ghost-light{background:#fff;color:var(--ink);border:1px solid #C9D6F5;}
.btn-ghost-light:hover{background:#EAF0FF;border-color:var(--brand);transform:translateY(-1px);}

.hero-media{position:relative;}
.hero-media::before{
  content:"";position:absolute;inset:-14px;border-radius:24px;
  border:1px solid rgba(56,225,206,.38);
  box-shadow:0 0 34px rgba(56,225,206,.16) inset;
  pointer-events:none;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;box-shadow:0 20px 48px rgba(0,0,0,.35);}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;}
.hero-fact{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#9FB0CC;}
.hero-fact i{width:16px;height:16px;border-radius:5px;background:rgba(56,225,206,.2);border:1px solid rgba(56,225,206,.5);display:inline-block;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:32px;color:var(--ink);letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 说明 + 侧栏 ============ */
.info-grid{display:grid;grid-template-columns:minmax(0,1.95fr) minmax(0,1fr);gap:32px;align-items:start;}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px;
}
.panel h2{font-size:24px;color:var(--ink);}
.panel h3{font-size:18px;color:var(--ink);margin-top:28px;}
.panel p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.panel figure{margin-top:24px;}
.panel figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line);}
.panel figcaption{margin-top:10px;font-size:13px;color:var(--weak);}

.point-list{margin-top:22px;display:grid;gap:14px;}
.point{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-md);
  background:#F8FAFD;border:1px solid var(--line);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.point:hover{border-color:rgba(36,86,217,.3);box-shadow:var(--sh-1);transform:translateY(-2px);}
.point-ico{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:#EAF0FF;color:var(--brand);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.point-body strong{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.point-body span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.75;}

.sticky-card{position:sticky;top:92px;}
.entry-card{
  background:linear-gradient(180deg,#0C1526 0%,#101C33 100%);
  color:#DCE4F2;border-radius:var(--r-lg);padding:28px;
  border:1px solid rgba(56,225,206,.22);
  box-shadow:0 18px 44px rgba(12,21,38,.28);
}
.entry-card h2{font-size:18px;color:#fff;display:flex;align-items:center;gap:10px;}
.entry-card h2::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9);}
.entry-steps{margin-top:18px;display:grid;gap:0;}
.entry-steps li{
  display:flex;gap:12px;padding:12px 0;font-size:14px;color:#C3CDE0;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.entry-steps li:last-child{border-bottom:0;}
.entry-steps b{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:rgba(56,225,206,.14);color:var(--neon);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.entry-meta{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:10px;}
.entry-meta div{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#93A1BC;}
.entry-meta span:last-child{color:#E6EDF9;font-weight:600;font-variant-numeric:tabular-nums;}
.entry-card .btn{width:100%;margin-top:20px;height:44px;}
.entry-card .btn-ghost{height:42px;font-size:14px;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:8px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  overflow:hidden;
}
.step::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--neon),var(--brand));opacity:.85;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(36,86,217,.3);}
.step-num{font-family:Inter,system-ui,sans-serif;font-size:34px;font-weight:700;color:#DCE4F2;letter-spacing:.02em;font-variant-numeric:tabular-nums;line-height:1;}
.step h3{margin-top:14px;font-size:17px;color:var(--ink);}
.step p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 清单 ============ */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.check:hover{border-color:rgba(36,86,217,.32);box-shadow:var(--sh-1);transform:translateY(-2px);}
.check-mark{
  flex:0 0 22px;width:22px;height:22px;border-radius:6px;margin-top:2px;
  background:#EAF0FF;border:1px solid #C9D6F5;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.check strong{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.check span{display:block;margin-top:4px;font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:#FFFBEF;border:1px solid #F3E2B4;border-left:3px solid var(--warm);
  border-radius:var(--r-md);padding:18px 20px;margin-top:28px;
}
.notice strong{color:#8A5B00;font-size:14.5px;display:block;}
.notice p{margin-top:6px;color:#7A5D1F;font-size:14px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:rgba(36,86,217,.28);}
.faq-item.open{border-color:rgba(36,86,217,.4);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .idx{
  font-family:Inter,system-ui,sans-serif;font-size:13px;color:var(--brand);
  font-weight:700;font-variant-numeric:tabular-nums;flex:0 0 22px;
}
.faq-q .plus{
  margin-left:auto;flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform .22s ease;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px;}
.faq-q .plus::after{width:2px;height:14px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 22px 58px;background:#F8FAFD;border-left:2px solid var(--brand);}
.faq-item.open .faq-a{display:block;}
.faq-a p{font-size:14.5px;color:var(--muted);line-height:1.85;padding-top:14px;}

/* ============ 分类 chips ============ */
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  background:#EAF0FF;color:var(--brand);font-size:14px;font-weight:600;
  border:1px solid #D7E2FF;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.chip:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px);box-shadow:0 8px 20px rgba(36,86,217,.24);}
.chip.is-current{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;background:linear-gradient(180deg,#0B1220,#101C33);
  border-radius:var(--r-lg);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  overflow:hidden;border:1px solid rgba(56,225,206,.2);
  box-shadow:0 18px 44px rgba(12,21,38,.24);
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--neon),var(--brand));
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.35;}
.cta-band p{margin-top:10px;color:#A9B6CE;font-size:15px;max-width:560px;line-height:1.8;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:#B7C0D4;margin-top:72px;border-top:1px solid rgba(56,225,206,.22);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding:56px 0 40px;}
.footer-brand .logo{height:auto;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:#93A1BC;max-width:330px;}
.footer-title{color:#fff;font-size:14.5px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#B7C0D4;transition:color .18s ease;}
.footer-links a:hover{color:#fff;}
.footer-meta{font-size:13.5px;line-height:1.9;color:#93A1BC;}
.footer-meta strong{color:#E6EDF9;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8190AC;
}
.footer-bottom a{color:#B7C0D4;transition:color .18s ease;}
.footer-bottom a:hover{color:var(--neon);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-link{padding:10px 10px;font-size:14.5px;}
  .nav-link::after{left:10px;right:10px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-neon{display:none;}
  .nav-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0B1220;padding:104px 24px 40px;
    transform:translateX(-102%);transition:transform .26s ease;
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-link{display:block;padding:16px 14px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0;}
  .nav-link::after{left:0;right:auto;top:14px;bottom:14px;width:3px;height:auto;transform:none;opacity:0;border-radius:2px;}
  .nav-link.active::after{opacity:1;box-shadow:0 0 10px rgba(56,225,206,.8);}
  .nav-link:hover{background:rgba(255,255,255,.04);}

  .page-hero{padding:32px 0 56px;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:34px;}
  .lede{font-size:16px;}
  .info-grid{grid-template-columns:1fr;}
  .sticky-card{position:static;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
  .footer-desc{max-width:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:767px){
  .wrap{padding-left:20px;padding-right:20px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .section-head h2{font-size:25px;}
  .panel{padding:24px 20px;}
  .panel h2{font-size:20px;}
  .checklist{grid-template-columns:1fr;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .page-hero h1{font-size:29px;}
  .faq-q{padding:16px 16px;font-size:15px;gap:10px;}
  .faq-a{padding:0 16px 18px 46px;}
  .cta-band h2{font-size:21px;}
}
@media (max-width:519px){
  .nav-menu{padding:92px 18px 32px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero-facts{gap:14px;}
  .chips{gap:10px;}
  .chip{height:36px;font-size:13px;padding:0 13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#2456D9;
  --brand-dark:#1C46B4;
  --ink:#0C1526;
  --ink-deep:#0B1220;
  --neon:#38E1CE;
  --warm:#F5A524;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#4A5568;
  --faint:#8A94A6;
  --line:#E6EAF2;
  --soft:#EAF0FF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --sh-1:0 8px 24px rgba(12,21,38,.06);
  --sh-2:0 16px 40px rgba(12,21,38,.12);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ============ 顶部工具条 + 导航 ============ */
.site-header{position:sticky;top:0;z-index:60}
.topbar{background:var(--ink-deep);color:#8A94A6;font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}
.topbar-note{margin:0;line-height:1.5;letter-spacing:.01em}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none}
.topbar-links a{color:#B7C0D4;transition:color .2s ease-out}
.topbar-links a:hover{color:#FFFFFF}
.topbar-cta{
  padding:3px 11px;border-radius:999px;
  background:rgba(56,225,206,.14);
  color:var(--neon) !important;
  border:1px solid rgba(56,225,206,.42);
  font-weight:600;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.topbar-cta:hover{background:rgba(56,225,206,.24);border-color:rgba(56,225,206,.7)}

.navbar{
  background:var(--ink);
  border-bottom:1px solid rgba(56,225,206,.28);
  box-shadow:0 14px 34px -22px rgba(11,18,32,.95);
  position:relative;
}
.navbar::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(56,225,206,.45),rgba(36,86,217,.45),rgba(56,225,206,.45));
}
.navbar-inner{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:inline-flex;align-items:center;gap:8px;height:30px;color:#FFFFFF;font-weight:700;flex:none}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9);flex:none}
.logo-main{font-size:19px;line-height:1;letter-spacing:.02em;color:#FFFFFF}
.logo-sub{font-size:11px;letter-spacing:.14em;color:#9FB0CC;align-self:flex-end;padding-bottom:2px;line-height:1}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:14.5px;color:#B7C0D4;border-radius:var(--r-sm);
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-link:hover{color:#FFFFFF;background:rgba(255,255,255,.05)}
.nav-link.active{color:#FFFFFF;font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(56,225,206,.85);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}

.nav-toggle{
  display:none;position:relative;z-index:95;
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:rgba(255,255,255,.1)}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;margin:-1px 0 0 -9px;background:#FFFFFF;border-radius:2px;transition:background .2s}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#FFFFFF;border-radius:2px;transition:transform .2s ease-out}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:10px;
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-neon{background:var(--neon);color:var(--ink-deep);box-shadow:0 8px 20px -10px rgba(56,225,206,.9)}
.btn-neon:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#FFFFFF;box-shadow:0 10px 24px -14px rgba(36,86,217,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(36,86,217,.16)}
.btn-ghost{background:#FFFFFF;color:var(--ink);border:1px solid #C9D4EA}
.btn-ghost:hover{background:var(--soft);border-color:#9CB6F0;transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--faint);padding:22px 0 0;
}
.crumb a{color:var(--muted);transition:color .18s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CCDD}
.crumb .current{
  color:var(--text);font-weight:600;max-width:46ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-head{padding:18px 0 0}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(26px,3.3vw,38px);
  line-height:1.26;
  margin:16px 0 14px;
  letter-spacing:-.02em;
  max-width:24em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:13.5px;color:var(--faint);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3CCDD;flex:none}

.article-figure{
  margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(140deg,#E7ECF7,#F5F7FB);
  max-height:340px;
}
.article-figure img{width:100%;height:340px;object-fit:cover}
@media(max-width:767px){
  .article-figure img{height:200px}
}

/* ============ 正文栅格 ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;align-items:start;margin:28px 0 0;
}
.article-body{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1);
}
@media(max-width:1023px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:24px}
  .article-body{padding:26px}
}
@media(max-width:639px){
  .article-body{padding:20px 18px;border-radius:var(--r-md)}
}

/* ============ CMS 正文排版 ============ */
.prose-cn{font-size:16px;line-height:1.9;color:#26303F;word-break:break-word}
.prose-cn > *:first-child{margin-top:0}
.prose-cn > p:first-of-type{font-size:18px;line-height:1.85;color:var(--text)}
.prose-cn p{margin:0 0 18px}
.prose-cn h2{
  position:relative;font-size:23px;line-height:1.45;
  margin:36px 0 16px;padding-left:16px;color:var(--text);
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--brand);
}
.prose-cn h3{font-size:19px;line-height:1.5;margin:26px 0 12px;color:var(--text)}
.prose-cn h4{font-size:16.5px;margin:20px 0 10px;color:var(--text)}
.prose-cn ul,.prose-cn ol{margin:0 0 18px;padding-left:22px;list-style:disc}
.prose-cn ol{list-style:decimal}
.prose-cn li{margin:6px 0}
.prose-cn li::marker{color:#9CB6F0}
.prose-cn a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose-cn a:hover{color:var(--brand-dark)}
.prose-cn strong{font-weight:600;color:var(--text)}
.prose-cn blockquote{
  margin:0 0 20px;padding:14px 18px;
  border-left:3px solid var(--brand);background:#F4F7FF;
  border-radius:0 10px 10px 0;color:#2F3B52;
}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:var(--r-md);margin:18px auto}
.prose-cn figcaption,.prose-cn .caption{font-size:13px;color:var(--faint);text-align:center;margin-top:8px}
.prose-cn table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px}
.prose-cn thead th{
  background:var(--soft);color:#1B2A4A;font-weight:600;text-align:left;
  padding:10px 14px;border:1px solid var(--line);
}
.prose-cn tbody td{padding:10px 14px;border:1px solid var(--line)}
.prose-cn tbody tr:nth-child(even){background:#F8FAFD}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.prose-cn code{
  background:#F2F5FB;border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;color:#1B2A4A;
}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed #C9D4EA;
  border-radius:var(--r-md);background:#F8FAFD;
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  background:var(--soft);display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:22px;font-weight:700;
}
.empty-state h2{font-size:19px;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ============ 文章底部操作 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--faint);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:#F2F5FB;border:1px solid var(--line);
  color:var(--muted);font-size:12.5px;transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.tag:hover{background:var(--soft);color:var(--brand);border-color:#C9D9FA}

.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
}
.post-nav{display:flex;flex-wrap:wrap;gap:20px;font-size:14px}
.post-nav a{color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:color .18s ease-out,gap .18s ease-out}
.post-nav a:hover{color:var(--brand)}

/* ============ 侧栏 ============ */
.side{display:flex;flex-direction:column;gap:20px}
.side-sticky{position:sticky;top:118px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 20px 18px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--faint);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list li{margin:0 0 2px}
.toc-link{
  display:block;padding:7px 10px;border-left:2px solid transparent;
  border-radius:0 8px 8px 0;font-size:13.5px;color:var(--muted);line-height:1.6;
  transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.toc-link:hover{color:var(--brand);background:#F5F8FF;border-left-color:var(--brand)}
.toc-link.toc-sub{padding-left:22px;font-size:13px;color:var(--faint)}
.side-desc{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.side-actions{display:flex;flex-direction:column;gap:10px}
.side-actions .btn{width:100%}
.side-meta{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--faint)}
.side-meta .row{display:flex;justify-content:space-between;gap:12px}
.side-meta .row strong{color:var(--text);font-weight:600}

/* ============ 相关推荐 ============ */
.related-section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 22px}
.section-head h2{font-size:26px;letter-spacing:-.01em}
.section-head .sub{font-size:13.5px;color:var(--faint);margin-top:6px}
.more-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);transition:gap .18s ease-out,color .18s ease-out;
}
.more-link:hover{gap:10px;color:var(--brand-dark)}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media(max-width:1023px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.related-grid{grid-template-columns:minmax(0,1fr)}}

.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(36,86,217,.3)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#E7ECF7,#F5F7FB)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease-out;
}
.post-card:hover .post-title{color:var(--brand)}
.post-excerpt{
  font-size:13.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--faint);padding-top:8px;
}
.post-arrow{transition:transform .18s ease-out}
.post-card:hover .post-arrow{transform:translateX(3px)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:var(--ink-deep);border-radius:var(--r-lg);
  border-left:4px solid var(--neon);
  padding:34px 36px;margin:56px 0 0;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(56,225,206,.22),rgba(56,225,206,0) 68%);
  pointer-events:none;
}
.cta-band h2{color:#FFFFFF;font-size:23px;letter-spacing:-.01em}
.cta-band p{color:#9FB0CC;font-size:14px;margin-top:8px;max-width:56ch}
.cta-band .btn{position:relative;z-index:1}
@media(max-width:767px){
  .cta-band{padding:26px 22px}
  .cta-band .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);color:#B7C0D4;margin-top:80px;
  border-top:1px solid rgba(56,225,206,.4);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;
  padding:56px 0 40px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.85;color:#8A94A6;max-width:34ch}
.footer-title{font-size:14px;color:#FFFFFF;margin:0 0 14px;font-weight:600}
.footer-links li{margin:0 0 10px}
.footer-links a{font-size:13.5px;color:#B7C0D4;transition:color .18s ease-out}
.footer-links a:hover{color:#FFFFFF}
.footer-meta{font-size:13px;line-height:1.9;color:#8A94A6}
.footer-meta strong{color:#D5DDEC;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:#6F7C93;
}
.footer-bottom a{color:#9FB0CC;transition:color .18s ease-out}
.footer-bottom a:hover{color:#FFFFFF}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{font-size:12px}
}

/* ============ 移动端导航 ============ */
@media(max-width:1023px){
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:70;
    background:var(--ink-deep);
    flex-direction:column;align-items:stretch;gap:0;
    padding:96px 20px 32px;
    transform:translateX(100%);
    transition:transform .24s ease-out;
    overflow-y:auto;
    margin-left:0;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu li{border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-link{display:block;padding:16px 12px;font-size:16px;border-left:3px solid transparent;border-radius:0}
  .nav-link.active{background:rgba(56,225,206,.07);border-left-color:var(--neon);color:#FFFFFF}
  .nav-link.active::after{display:none}
  .nav-actions{margin-left:auto}
}
@media(max-width:767px){
  .topbar-note{display:none}
  .topbar-inner{min-height:30px}
  .topbar-links{gap:14px}
  .nav-actions .btn-neon{display:none}
  .navbar-inner{height:62px;gap:14px}
  .logo-main{font-size:17px}
  .logo-sub{font-size:10px;letter-spacing:.1em}
  .wrap{padding:0 20px}
  .article-actions .btn{width:100%}
  .post-nav{width:100%;justify-content:space-between}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#2456D9;
  --brand-dark:#1c44b3;
  --brand-soft:#EAF0FF;
  --neon:#38E1CE;
  --ink:#0C1526;
  --ink-2:#0B1220;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#4A5568;
  --weak:#8A94A6;
  --line:#E6EAF2;
  --warm:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --sh-1:0 8px 24px rgba(12,21,38,.06);
  --sh-2:0 16px 40px rgba(12,21,38,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;color:var(--text);letter-spacing:-.005em}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(36,86,217,.16)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-head{max-width:740px;margin-bottom:36px}
.section-head h2{font-size:34px;line-height:1.25}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:70}
.topbar{background:var(--ink-2);color:#B7C0D4;font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px}
.topbar-note{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
.topbar-links{display:flex;align-items:center;gap:18px;flex-shrink:0}
.topbar-links a{color:#B7C0D4;font-weight:500}
.topbar-links a:hover{color:#fff}
.topbar-cta{background:var(--neon);color:var(--ink)!important;font-weight:700;padding:3px 12px;border-radius:999px;transition:background .18s ease-out}
.topbar-cta:hover{background:#4ff0dd}

.navbar{position:sticky;top:0;z-index:60;background:var(--ink)}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(56,225,206,.55),rgba(36,86,217,.55),rgba(56,225,206,.2))}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}

.logo{display:inline-flex;align-items:center;gap:8px;height:30px;text-decoration:none;flex:none}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.9);flex:none}
.logo-main{font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em;line-height:1}
.logo-sub{font-size:11px;font-weight:600;color:#9AA6BF;letter-spacing:.14em;padding-left:9px;border-left:1px solid rgba(255,255,255,.18);line-height:1}

.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:block;padding:9px 14px;font-size:15px;color:#B7C0D4;border-radius:8px;text-decoration:none}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 12px rgba(56,225,206,.85);transform:scaleX(0);opacity:0;transition:transform .18s ease-out,opacity .18s ease-out}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1);opacity:.45}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{transform:scaleX(1);opacity:1}

.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:13px 22px;border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.btn-neon{background:var(--neon);color:var(--ink);padding:11px 18px;font-size:14px}
.btn-neon:hover{background:#4ff0dd;color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 22px rgba(56,225,206,.28)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 0 0 3px rgba(36,86,217,.16),0 12px 28px rgba(36,86,217,.24)}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(36,86,217,.55)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost-dark{background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost-dark:hover{background:rgba(56,225,206,.1);color:#fff;border-color:rgba(56,225,206,.65);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.99)}

.nav-toggle{display:none;position:relative;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:transparent;cursor:pointer}
.nav-toggle span{position:absolute;left:11px;right:11px;top:50%;height:2px;background:#fff;border-radius:2px;transform:translateY(-50%)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease-out}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 页头 ---------- */
.page-head{position:relative;background:radial-gradient(900px 380px at 88% -20%,rgba(56,225,206,.16),transparent 70%),linear-gradient(180deg,#0C1526 0%,#0B1220 100%);color:#E7ECF7;overflow:hidden}
.page-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(56,225,206,.4),rgba(36,86,217,.4),transparent)}
.page-head-inner{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr);gap:48px;align-items:center;padding:56px 0 64px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#8A94A6;flex-wrap:wrap}
.crumb a{color:#8A94A6}
.crumb a:hover{color:var(--neon)}
.crumb span.sep{color:rgba(255,255,255,.24)}
.crumb strong{color:#E7ECF7;font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--neon);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--neon);border-radius:2px}
.page-head h1{margin-top:12px;font-size:44px;line-height:1.18;color:#fff;letter-spacing:-.012em;max-width:16em}
.page-head .lead{margin-top:16px;font-size:17px;line-height:1.8;color:#B7C0D4;max-width:34em}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(56,225,206,.32);box-shadow:0 0 0 1px rgba(36,86,217,.28),0 26px 60px rgba(0,0,0,.45)}

/* ---------- 图文交替 ---------- */
.story-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-block + .story-block{margin-top:72px}
.story-block.reverse .story-copy{order:2}
.story-block.reverse .story-media{order:1}
.story-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1)}
.story-copy h2{font-size:32px;line-height:1.28}
.story-copy > p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.9}
.point-list{margin-top:24px}
.point-list li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--line);color:var(--muted);font-size:15.5px}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-ico{width:24px;height:24px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:700;flex:none;margin-top:3px}

/* ---------- 要点卡组 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(36,86,217,.3)}
.card-tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:700;letter-spacing:.04em}
.card h3{margin-top:14px;font-size:19px;line-height:1.45;transition:color .2s ease-out}
.card:hover h3{color:var(--brand)}
.card p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- 深色步骤面板 ---------- */
.step-panel{position:relative;background:linear-gradient(120deg,#0C1526 0%,#101C33 100%);border-radius:20px;padding:44px;border:1px solid rgba(56,225,206,.18);overflow:hidden}
.step-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 260px at 92% -30%,rgba(56,225,206,.14),transparent 70%);pointer-events:none}
.step-panel h2{color:#fff;font-size:32px;position:relative}
.step-panel .panel-lead{margin-top:14px;color:#B7C0D4;max-width:52em;position:relative}
.step-row{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px}
.step-item{position:relative;padding:24px;border-radius:var(--r-md);background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out}
.step-item:hover{background:rgba(56,225,206,.08);border-color:rgba(56,225,206,.35);transform:translateY(-3px)}
.step-num{font-size:30px;font-weight:700;color:var(--neon);font-variant-numeric:tabular-nums;letter-spacing:.03em;text-shadow:0 0 18px rgba(56,225,206,.42);line-height:1}
.step-item h3{margin-top:14px;color:#fff;font-size:18px}
.step-item p{margin-top:10px;color:#B7C0D4;font-size:14.5px;line-height:1.8}

/* ---------- 核对清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);font-size:15.5px;color:var(--muted);box-shadow:var(--sh-1);transition:border-color .2s ease-out,transform .2s ease-out}
.checklist li:hover{border-color:rgba(36,86,217,.32);transform:translateY(-2px)}
.check-mark{width:22px;height:22px;border-radius:50%;background:rgba(56,225,206,.16);color:#12907f;display:grid;place-items:center;font-size:12px;font-weight:700;flex:none;margin-top:2px}
.notice{display:flex;gap:12px;margin-top:26px;padding:16px 20px;background:#FFFBEB;border:1px solid #FDE68A;border-left:4px solid var(--warm);border-radius:var(--r-md);color:#7A5300;font-size:15px;line-height:1.8}
.notice strong{color:#5C3F00}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.faq-item:hover{border-color:rgba(36,86,217,.3)}
.faq-item.open{border-color:rgba(36,86,217,.4);box-shadow:var(--sh-1)}
.faq-q{display:flex;align-items:center;gap:14px;width:100%;padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;line-height:1.6}
.faq-idx{font-size:12.5px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;flex:none;padding-top:2px}
.faq-plus{position:relative;margin-left:auto;width:22px;height:22px;flex:none;transition:transform .22s ease-out}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-plus::before{top:10px;left:2px;right:2px;height:2px}
.faq-plus::after{left:10px;top:2px;bottom:2px;width:2px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{display:none;margin:0 22px 18px;padding:14px 18px;background:#F8FAFD;border-left:2px solid var(--brand);border-radius:0 10px 10px 0;color:var(--muted);font-size:15.5px;line-height:1.85}
.faq-item.open .faq-a{display:block}

/* ---------- 相关阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.read-item{display:flex;align-items:center;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.read-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(36,86,217,.3)}
.read-item strong{display:block;font-size:15.5px;color:var(--text);line-height:1.5;transition:color .2s ease-out}
.read-item:hover strong{color:var(--brand)}
.read-item span{display:block;margin-top:4px;font-size:13px;color:var(--weak);line-height:1.6}
.read-arrow{margin-left:auto;color:var(--brand);font-size:18px;line-height:1;flex:none;transition:transform .2s ease-out}
.read-item:hover .read-arrow{transform:translateX(3px)}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 15px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out}
.chip:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}

/* ---------- CTA ---------- */
.cta-band{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;background:linear-gradient(120deg,#0C1526 0%,#12203A 100%);border-radius:20px;padding:40px 44px;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--neon),var(--brand))}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(56,225,206,.16),transparent 68%);pointer-events:none}
.cta-copy{position:relative;max-width:38em}
.cta-copy h2{color:#fff;font-size:28px;line-height:1.3}
.cta-copy p{margin-top:10px;color:#B7C0D4;font-size:15.5px}
.cta-band .btn{position:relative;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-2);color:#B7C0D4;margin-top:80px;padding:56px 0 0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,225,206,.6),rgba(36,86,217,.6),transparent)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:#B7C0D4;max-width:360px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#B7C0D4;font-size:14.5px}
.footer-links a:hover{color:#fff}
.footer-meta{font-size:14.5px;line-height:1.9;color:#B7C0D4}
.footer-meta strong{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:#8A94A6}
.footer-bottom a{color:#8A94A6}
.footer-bottom a:hover{color:var(--neon)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:block}
  .nav-menu{position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;flex-direction:column;align-items:stretch;gap:2px;padding:24px 20px 40px;background:rgba(11,18,32,.985);transform:translateX(100%);transition:transform .24s ease-out;overflow-y:auto}
  .nav-menu.open{transform:translateX(0)}
  .nav-link{padding:15px 16px;font-size:17px;border-left:3px solid transparent;border-radius:0}
  .nav-link::after{display:none}
  .nav-link:hover{background:rgba(255,255,255,.04)}
  .nav-link.active{border-left-color:var(--neon);background:rgba(56,225,206,.07);color:#fff}
  .nav-actions .btn-neon{display:none}
  .page-head-inner{grid-template-columns:1fr;gap:32px;padding:44px 0 52px}
  .page-head h1{font-size:34px}
  .page-head-media{max-width:520px}
  .story-block{grid-template-columns:1fr;gap:28px}
  .story-block.reverse .story-copy{order:1}
  .story-block.reverse .story-media{order:2}
  .story-block + .story-block{margin-top:52px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-row{grid-template-columns:1fr}
  .step-panel{padding:32px}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:56px 0}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .topbar-note{display:none}
  .topbar-inner{justify-content:flex-end}
  .page-head h1{font-size:30px}
  .page-head .lead{font-size:15.5px}
  .page-head-actions .btn{width:100%}
  .section-head h2,.story-copy h2,.step-panel h2{font-size:24px}
  .card-grid,.checklist,.read-grid,.footer-grid{grid-template-columns:1fr}
  .card{padding:22px}
  .step-panel{padding:26px;border-radius:16px}
  .cta-band{padding:28px 24px;border-radius:16px}
  .cta-copy h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  body{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
    --brand:#2456D9;
    --brand-dark:#1C46B4;
    --brand-soft:#EAF0FF;
    --ink:#0C1526;
    --ink-deep:#0B1220;
    --neon:#38E1CE;
    --bg:#F5F7FB;
    --card:#FFFFFF;
    --text:#101828;
    --sub:#4A5568;
    --muted:#8A94A6;
    --line:#E6EAF2;
    --warm:#F5A524;
    --radius-sm:8px;
    --radius-md:12px;
    --radius-lg:16px;
    --shadow-1:0 8px 24px rgba(12,21,38,.06);
    --shadow-2:0 16px 40px rgba(12,21,38,.12);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:Inter,'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{list-style:none;padding:0;}
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ 顶部工具条 ============ */
  .topbar{background:var(--ink-deep);color:#B7C0D4;font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px;}
  .topbar-note{
    margin:0;color:#8FA0BD;font-size:12.5px;white-space:nowrap;
    overflow:hidden;text-overflow:ellipsis;
  }
  .topbar-links{display:flex;align-items:center;gap:16px;flex:none;}
  .topbar-links a{color:#B7C0D4;font-size:12.5px;transition:color .18s ease;}
  .topbar-links a:hover{color:#fff;}
  .topbar-cta{
    background:var(--neon);color:#06222B !important;font-weight:700;
    padding:3px 12px;border-radius:999px;font-size:12px;letter-spacing:.02em;
    transition:background .18s ease;
  }
  .topbar-cta:hover{background:#5DF0E0;}

  /* ============ 主导航 ============ */
  .navbar{
    position:sticky;top:0;z-index:60;
    background:var(--ink);
    box-shadow:0 10px 28px rgba(6,12,24,.35);
  }
  .navbar::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,#38E1CE,#2456D9);opacity:.45;
  }
  .navbar-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:24px;height:68px;
  }
  .logo{
    display:inline-flex;align-items:center;gap:8px;height:30px;flex:none;
  }
  .logo-dot{
    width:6px;height:6px;border-radius:50%;background:var(--neon);
    box-shadow:0 0 10px rgba(56,225,206,.9);flex:none;
  }
  .logo-main{font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1;}
  .logo-sub{font-size:12px;font-weight:500;color:#93A3C4;letter-spacing:.06em;line-height:1;padding-top:2px;}

  .nav-menu{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;display:inline-block;padding:10px 12px;
    font-size:15px;color:#B7C0D4;border-radius:8px;
    transition:color .18s ease;
  }
  .nav-link:hover{color:#fff;}
  .nav-link:hover::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;
    background:rgba(56,225,206,.55);border-radius:2px;
    transition:opacity .06s linear .06s;
  }
  .nav-link.active{color:#fff;font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
    background:var(--neon);border-radius:2px;
    box-shadow:0 0 12px rgba(56,225,206,.85);
  }
  .nav-link.active::before{
    content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
    width:4px;height:4px;border-radius:50%;background:var(--neon);
    box-shadow:0 0 10px rgba(56,225,206,.95);
  }

  .nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
  .nav-toggle{
    display:none;width:42px;height:38px;border-radius:10px;cursor:pointer;
    border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
    position:relative;transition:border-color .18s ease,background .18s ease;
  }
  .nav-toggle:hover{border-color:rgba(56,225,206,.6);background:rgba(56,225,206,.1);}
  .nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:#fff;transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform .2s ease;}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle[aria-expanded="true"] span{background:transparent;}
  .nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg) translateY(6px);}
  .nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg) translateY(-6px);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(36,86,217,.24);}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(36,86,217,.32);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:#C9D6F4;}
  .btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px);}
  .btn-neon{
    background:var(--neon);color:#06222B;height:38px;padding:0 16px;font-size:14px;
    box-shadow:0 4px 14px rgba(56,225,206,.25);
  }
  .btn-neon:hover{background:#5DF0E0;transform:translateY(-1px);box-shadow:0 8px 20px rgba(56,225,206,.35);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  /* ============ 页头 Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background:
      radial-gradient(720px 320px at 82% 12%,rgba(56,225,206,.16),transparent 62%),
      radial-gradient(620px 300px at 12% 92%,rgba(36,86,217,.34),transparent 66%),
      linear-gradient(180deg,#0C1526 0%,#101C33 100%);
    padding:44px 0 72px;
  }
  .page-hero::after{
    content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
    width:min(1200px,92%);height:1px;
    background:linear-gradient(90deg,transparent,rgba(56,225,206,.55),transparent);
  }
  .page-hero-inner{display:grid;grid-template-columns:1.32fr .88fr;gap:52px;align-items:center;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8FA0BD;margin-bottom:18px;flex-wrap:wrap;}
  .breadcrumb a{color:#B7C0D4;transition:color .18s ease;}
  .breadcrumb a:hover{color:#fff;}
  .breadcrumb .sep{color:#5C6B87;}
  .breadcrumb strong{color:#fff;font-weight:600;}
  .page-hero h1{
    font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.01em;
    margin:16px 0 16px;color:#fff;
  }
  .page-hero h1 .accent{color:var(--neon);}
  .page-lead{font-size:16.5px;line-height:1.85;color:#B7C0D4;max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
  .hero-actions .btn-ghost:hover{background:rgba(56,225,206,.12);border-color:rgba(56,225,206,.7);color:#fff;}
  .hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);}
  .hero-fact{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#9FB0CC;}
  .hero-fact i{color:var(--neon);font-size:13px;}
  .page-hero-media{
    position:relative;border-radius:18px;overflow:hidden;
    border:1px solid rgba(56,225,206,.42);
    box-shadow:0 0 0 1px rgba(56,225,206,.12),0 22px 50px rgba(4,10,22,.55);
  }
  .page-hero-media::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(12,21,38,0) 40%,rgba(12,21,38,.55) 100%);
  }
  .page-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  /* ============ 锚点条 ============ */
  .anchor-strip{position:relative;z-index:5;margin-top:-26px;}
  .anchor-bar{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-1);padding:12px 16px;
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  }
  .anchor-bar .anchor-label{
    font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--muted);
    padding-right:10px;border-right:1px solid var(--line);margin-right:4px;
  }
  .pill{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    background:#F2F5FB;border:1px solid transparent;color:var(--sub);
    font-size:13.5px;font-weight:500;transition:all .18s ease;font-variant-numeric:tabular-nums;
  }
  .pill:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(36,86,217,.35);}
  .pill.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 14px rgba(36,86,217,.24);}

  /* ============ 通用板块 ============ */
  .section{padding:72px 0 0;}
  .section-head{max-width:720px;margin-bottom:34px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);
    margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
  .section-head h2{font-size:32px;line-height:1.3;font-weight:600;color:var(--ink);letter-spacing:.01em;}
  .section-head p{margin-top:12px;font-size:15.5px;color:var(--sub);}

  /* ============ 时间线 ============ */
  .timeline{position:relative;}
  .timeline::before{
    content:"";position:absolute;left:194px;top:14px;bottom:40px;width:1px;
    background:linear-gradient(180deg,rgba(36,86,217,.45),rgba(230,234,242,.95));
  }
  .timeline-item{
    position:relative;display:grid;grid-template-columns:180px minmax(0,1fr);
    gap:28px;padding-bottom:26px;
  }
  .timeline-item::before{
    content:"";position:absolute;left:194px;top:26px;width:11px;height:11px;border-radius:50%;
    background:#fff;border:2px solid var(--brand);transform:translateX(-50%);
    box-shadow:0 0 0 4px rgba(36,86,217,.1);z-index:2;
  }
  .timeline-meta{text-align:right;padding-top:14px;}
  .version-no{
    display:block;font-size:21px;font-weight:700;color:var(--ink);
    font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1.3;
  }
  .timeline-date{display:block;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:2px;}

  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-1);padding:24px 26px;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(36,86,217,.3);}
  .timeline-card:hover .card-title{color:var(--brand);}
  .card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
  .chip{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .chip-neutral{background:#F2F5FB;color:var(--sub);}
  .chip-warm{background:#FEF4E3;color:#9A6410;}
  .chip-neon{background:rgba(56,225,206,.14);color:#0E7A6D;}
  .card-title{
    font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);
    transition:color .18s ease;
  }
  .points{display:grid;gap:8px;margin-top:14px;}
  .points li{
    position:relative;padding-left:18px;font-size:15px;line-height:1.75;color:var(--sub);
  }
  .points li::before{
    content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;
    background:var(--brand);opacity:.6;
  }
  .apply-note{
    margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
    font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  }
  .apply-note strong{color:var(--sub);font-weight:600;}

  /* ============ 三类改动 ============ */
  .type-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .type-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;
    box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .type-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(36,86,217,.3);}
  .type-icon{
    width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:var(--brand-soft);color:var(--brand);font-size:18px;margin-bottom:16px;
  }
  .type-card h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.5;}
  .type-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--sub);}
  .type-card .type-meta{
    margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;
  }
  .type-card .type-meta i{color:var(--brand);font-size:11px;}

  /* ============ 深色核对面板 ============ */
  .dark-panel{
    position:relative;overflow:hidden;border-radius:20px;
    background:
      radial-gradient(520px 260px at 88% 8%,rgba(56,225,206,.14),transparent 62%),
      linear-gradient(135deg,#0C1526 0%,#12203A 100%);
    border:1px solid rgba(56,225,206,.2);
    padding:40px;color:#fff;
  }
  .dark-panel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;z-index:2;}
  .dark-panel h2{font-size:30px;line-height:1.3;font-weight:600;color:#fff;}
  .dark-panel .panel-lead{margin-top:12px;font-size:15px;color:#9FB0CC;line-height:1.85;max-width:520px;}
  .check-list{display:grid;gap:16px;margin-top:26px;}
  .check-item{display:grid;grid-template-columns:38px minmax(0,1fr);gap:14px;align-items:start;}
  .check-num{
    width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
    background:rgba(56,225,206,.12);border:1px solid rgba(56,225,206,.35);
    color:var(--neon);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .check-item h3{font-size:15.5px;font-weight:600;color:#fff;line-height:1.6;}
  .check-item p{margin-top:4px;font-size:14px;line-height:1.8;color:#9FB0CC;}
  .dark-panel-media{
    border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
    box-shadow:0 20px 44px rgba(3,8,18,.55);
  }
  .dark-panel-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  /* ============ FAQ ============ */
  .faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{border-color:rgba(36,86,217,.28);}
  .faq-item.open{border-color:rgba(36,86,217,.4);box-shadow:var(--shadow-1);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:14px;text-align:left;
    padding:18px 22px;background:none;border:0;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq-index{
    flex:none;width:24px;font-size:13px;font-weight:700;color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .faq-icon{
    margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:#F2F5FB;color:var(--brand);font-size:18px;font-weight:500;line-height:1;
    transition:transform .2s ease,background .2s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-soft);}
  .faq-a{
    display:none;padding:0 22px 20px 60px;font-size:15px;line-height:1.85;color:var(--sub);
    background:#F8FAFD;border-left:2px solid var(--brand);
  }
  .faq-item.open .faq-a{display:block;}

  /* ============ 相关分类 ============ */
  .related-row{display:flex;flex-wrap:wrap;gap:12px;}
  .related-chip{
    display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
    border-radius:12px;background:#fff;border:1px solid var(--line);
    font-size:14.5px;font-weight:600;color:var(--ink);
    box-shadow:var(--shadow-1);transition:all .18s ease;
  }
  .related-chip i{color:var(--brand);font-size:12px;transition:transform .18s ease;}
  .related-chip:hover{border-color:rgba(36,86,217,.45);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .related-chip:hover i{transform:translateX(3px);}

  /* ============ CTA 带 ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:20px;
    background:linear-gradient(120deg,#0C1526 0%,#132342 100%);
    padding:36px 40px;color:#fff;
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  }
  .cta-band::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
    background:linear-gradient(180deg,#38E1CE,#2456D9);
  }
  .cta-band h2{font-size:24px;line-height:1.4;font-weight:600;color:#fff;}
  .cta-band p{margin-top:8px;font-size:14.5px;color:#9FB0CC;max-width:620px;}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;background:var(--ink);color:#B7C0D4;
    margin-top:80px;padding:56px 0 0;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,#38E1CE,#2456D9);opacity:.45;
  }
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;
    padding-bottom:40px;
  }
  .footer-brand .logo{height:auto;margin-bottom:14px;}
  .footer-desc{margin:0;font-size:14px;line-height:1.85;color:#8FA0BD;max-width:340px;}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
  .footer-links{display:grid;gap:10px;font-size:14px;}
  .footer-links a{color:#B7C0D4;transition:color .18s ease;}
  .footer-links a:hover{color:#fff;}
  .footer-meta{margin:0;font-size:14px;line-height:1.9;color:#8FA0BD;}
  .footer-meta strong{color:#fff;font-weight:600;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;
    gap:16px;flex-wrap:wrap;font-size:13px;color:#7C8AA6;
  }
  .footer-bottom a{color:#9FB0CC;transition:color .18s ease;}
  .footer-bottom a:hover{color:#fff;}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .navbar-inner{height:60px;}
    .nav-toggle{display:block;}
    .nav-actions .btn-neon{display:none;}
    .nav-menu{
      position:absolute;top:100%;left:0;right:0;
      flex-direction:column;align-items:stretch;gap:0;
      background:var(--ink-deep);padding:10px 16px 18px;
      border-bottom:1px solid rgba(56,225,206,.28);
      box-shadow:0 18px 34px rgba(4,10,20,.5);
      display:none;
    }
    .nav-menu.open{display:flex;}
    .nav-menu li + li{border-top:1px solid rgba(255,255,255,.06);}
    .nav-link{display:block;padding:14px 12px;border-left:3px solid transparent;border-radius:0;}
    .nav-link.active{background:rgba(56,225,206,.07);border-left-color:var(--neon);}
    .nav-link.active::after,.nav-link.active::before{display:none;}
    .nav-link:hover::after{display:none;}

    .page-hero{padding:34px 0 60px;}
    .page-hero-inner{grid-template-columns:1fr;gap:32px;}
    .page-hero h1{font-size:32px;}
    .page-hero-media img{aspect-ratio:16/9;}

    .timeline::before{left:9px;top:18px;bottom:44px;}
    .timeline-item{grid-template-columns:1fr;gap:12px;padding-left:32px;padding-bottom:22px;}
    .timeline-item::before{left:9px;top:10px;}
    .timeline-meta{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:10px;}
    .version-no{font-size:18px;}

    .type-grid{grid-template-columns:1fr;}
    .dark-panel{padding:30px;}
    .dark-panel-grid{grid-template-columns:1fr;gap:28px;}
    .dark-panel h2{font-size:25px;}

    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .footer-brand{grid-column:1 / -1;}
    .footer-desc{max-width:none;}
  }

  @media (max-width:767px){
    .wrap{padding:0 20px;}
    .topbar-note{display:none;}
    .topbar-inner{justify-content:flex-end;}
    .page-hero h1{font-size:28px;}
    .page-lead{font-size:15.5px;}
    .hero-actions{gap:12px;}
    .hero-actions .btn{width:100%;}
    .hero-facts{gap:14px 20px;}
    .section{padding:52px 0 0;}
    .section-head h2{font-size:24px;}
    .card{padding:20px;}
    .card-title{font-size:17px;}
    .points li{font-size:14.5px;}
    .faq-q{font-size:15px;padding:16px 18px;gap:10px;}
    .faq-a{padding:0 18px 18px 50px;font-size:14.5px;}
    .cta-band{padding:26px 22px 26px 26px;}
    .cta-band h2{font-size:20px;}
    .cta-band .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .related-chip{width:100%;justify-content:space-between;}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      transition-duration:.001ms !important;
    }
  }

/* roulang page: category5 */
:root{
    --blue:#2456D9;
    --blue-dark:#1B44B0;
    --blue-soft:#EAF0FF;
    --ink:#0C1526;
    --ink-deep:#0B1220;
    --neon:#38E1CE;
    --bg:#F5F7FB;
    --card:#FFFFFF;
    --text:#101828;
    --sub:#4A5568;
    --muted:#8A94A6;
    --line:#E6EAF2;
    --warm:#F5A524;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --shadow-1:0 8px 24px rgba(12,21,38,.06);
    --shadow-2:0 16px 40px rgba(12,21,38,.12);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,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;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;font-size:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--blue);outline-offset:2px;}

  .wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  /* ---------- 顶部工具条 ---------- */
  .site-header{position:relative;z-index:50;}
  .topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.06);}
  .topbar-inner{height:32px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .topbar-note{font-size:12px;line-height:32px;color:#8C97AD;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-links{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
  .topbar-links a{font-size:12px;color:#B7C0D4;transition:color .18s ease-out;}
  .topbar-links a:hover{color:#FFFFFF;}
  .topbar-cta{
    display:inline-flex;align-items:center;
    height:22px;padding:0 10px;
    border-radius:999px;
    background:var(--neon);color:var(--ink-deep)!important;
    font-weight:600;
    transition:filter .18s ease-out,transform .18s ease-out;
  }
  .topbar-cta:hover{filter:brightness(1.08);transform:translateY(-1px);}

  /* ---------- 主导航 ---------- */
  .navbar{
    position:sticky;top:0;z-index:55;
    background:var(--ink);
    box-shadow:0 4px 18px rgba(11,18,32,.28);
  }
  .navbar::after{
    content:"";display:block;height:1px;
    background:linear-gradient(90deg,rgba(56,225,206,0) 0%,rgba(56,225,206,.45) 22%,rgba(36,86,217,.45) 78%,rgba(36,86,217,0) 100%);
  }
  .navbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
  .logo{display:inline-flex;align-items:baseline;gap:6px;line-height:1;}
  .logo-dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--neon);
    box-shadow:0 0 10px rgba(56,225,206,.9);
    align-self:center;
    flex:0 0 auto;
  }
  .logo-main{font-size:20px;font-weight:700;color:#FFFFFF;letter-spacing:.02em;}
  .logo-sub{font-size:12px;font-weight:500;color:#B7C0D4;letter-spacing:.04em;}

  .nav-menu{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;
    display:inline-block;
    font-size:15px;
    font-weight:500;
    color:#B7C0D4;
    padding:6px 0;
    transition:color .18s ease-out;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
    background:var(--neon);
    border-radius:2px;
    opacity:0;transform:scaleX(.6);
    transition:opacity .18s ease-out .06s,transform .18s ease-out .06s;
    box-shadow:0 0 12px rgba(56,225,206,.85);
  }
  .nav-link:hover{color:#FFFFFF;}
  .nav-link:hover::after{opacity:.5;transform:scaleX(1);}
  .nav-link.active{color:#FFFFFF;font-weight:600;}
  .nav-link.active::after{opacity:1;transform:scaleX(1);}

  .nav-actions{display:flex;align-items:center;gap:12px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;
    border-radius:10px;
    border:1px solid transparent;
    font-size:15px;font-weight:600;
    cursor:pointer;
    transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  }
  .btn-primary{background:var(--blue);color:#FFFFFF;box-shadow:0 6px 18px rgba(36,86,217,.22);}
  .btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 10px 26px rgba(36,86,217,.32);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#FFFFFF;color:var(--ink);border-color:#C9D6F5;}
  .btn-ghost:hover{background:var(--blue-soft);border-color:var(--blue);color:var(--blue);}
  .btn-neon{
    height:38px;padding:0 18px;border-radius:10px;
    background:var(--neon);color:var(--ink-deep)!important;font-size:14px;font-weight:700;
  }
  .btn-neon:hover{filter:brightness(1.08);transform:translateY(-1px);}
  .btn-dark-ghost{background:transparent;color:#E7ECF6;border-color:rgba(255,255,255,.28);}
  .btn-dark-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(56,225,206,.6);color:#FFFFFF;}

  .nav-toggle{
    display:none;
    width:42px;height:42px;
    align-items:center;justify-content:center;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.16);
    border-radius:10px;
    cursor:pointer;
    position:relative;
    z-index:70;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    display:block;width:18px;height:2px;border-radius:2px;background:#FFFFFF;content:"";
    transition:transform .2s ease-out,opacity .2s ease-out;
  }
  .nav-toggle span{position:relative;}
  .nav-toggle span::before{position:absolute;top:-6px;}
  .nav-toggle span::after{position:absolute;top:6px;}
  .nav-toggle[aria-expanded="true"] span{background:transparent;}
  .nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

  /* ---------- 页面头部 ---------- */
  .page-head{padding:44px 0 0;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
  .breadcrumb a{color:var(--sub);transition:color .18s ease-out;}
  .breadcrumb a:hover{color:var(--blue);}
  .breadcrumb .sep{color:#C4CCDC;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  .head-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;margin-top:22px;}
  .head-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    height:26px;padding:0 12px;border-radius:999px;
    background:var(--blue-soft);color:var(--blue);
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .head-eyebrow i{width:5px;height:5px;border-radius:50%;background:var(--blue);display:block;}
  h1{font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.01em;margin-top:16px;}
  h1 em{font-style:normal;color:var(--blue);}
  .head-lead{margin-top:16px;font-size:16px;color:var(--sub);max-width:640px;}
  .head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .head-figure{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    background:linear-gradient(140deg,#DFE7F8,#F2F5FC);
  }
  .head-figure img{width:100%;height:220px;object-fit:cover;}
  .head-figure::after{
    content:"";position:absolute;inset:0;
    border-radius:var(--r-lg);
    box-shadow:inset 0 0 0 1px rgba(56,225,206,.45);
    pointer-events:none;
  }
  .head-figure figcaption{
    position:absolute;left:0;right:0;bottom:0;
    padding:10px 14px;
    font-size:12px;color:#E7ECF6;
    background:linear-gradient(180deg,rgba(11,18,32,0) 0%,rgba(11,18,32,.82) 100%);
  }

  /* ---------- 快捷定位条 ---------- */
  .quickbar{margin-top:40px;}
  .quick-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    padding:20px;
    background:var(--ink);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);
  }
  .quick-item{
    display:flex;flex-direction:column;gap:4px;
    padding:12px 16px;
    border-left:2px solid rgba(56,225,206,.5);
    border-radius:0 var(--r-sm) var(--r-sm) 0;
    background:rgba(255,255,255,.04);
    transition:background-color .18s ease-out;
  }
  .quick-item:hover{background:rgba(56,225,206,.1);}
  .quick-item .q-num{font-size:22px;font-weight:700;color:var(--neon);line-height:1.2;}
  .quick-item .q-label{font-size:13px;color:#B7C0D4;}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0 0;}
  .section-head{max-width:760px;}
  .section-head h2{font-size:32px;line-height:1.25;font-weight:600;letter-spacing:-.01em;}
  .section-head p{margin-top:12px;color:var(--sub);font-size:15.5px;}
  .kicker{
    display:inline-block;
    font-size:12px;font-weight:600;letter-spacing:.08em;
    color:var(--blue);text-transform:uppercase;
  }

  /* ---------- 主体双栏 ---------- */
  .faq-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;margin-top:36px;}
  .panel{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);
  }
  .filter-box{padding:22px 24px;display:flex;flex-direction:column;gap:14px;}
  .filter-label{font-size:13px;font-weight:600;color:var(--ink);}
  .search-field{position:relative;}
  .search-field input{
    width:100%;height:44px;
    padding:0 14px 0 42px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#FBFCFE;
    font-size:15px;color:var(--text);
    transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
  }
  .search-field input::placeholder{color:#A9B2C2;}
  .search-field input:focus{
    outline:none;
    border-color:var(--blue);
    background:#FFFFFF;
    box-shadow:0 0 0 3px rgba(36,86,217,.14);
  }
  .search-field .ico{
    position:absolute;left:14px;top:50%;transform:translateY(-50%);
    width:16px;height:16px;
    border:2px solid #A9B2C2;border-radius:50%;
  }
  .search-field .ico::after{
    content:"";position:absolute;right:-4px;bottom:-3px;
    width:7px;height:2px;background:#A9B2C2;border-radius:2px;transform:rotate(45deg);
  }
  .chip-row{display:flex;flex-wrap:wrap;gap:8px;}
  .chip{
    display:inline-flex;align-items:center;
    height:24px;padding:0 12px;
    border-radius:999px;
    background:var(--blue-soft);
    color:var(--blue);
    font-size:12px;font-weight:600;letter-spacing:.02em;
    transition:background-color .18s ease-out,color .18s ease-out;
  }
  .chip:hover{background:var(--blue);color:#FFFFFF;}
  .chip.plain{background:#F2F5FB;color:var(--sub);}
  .chip.plain:hover{background:#E3E9F6;color:var(--blue);}

  /* ---------- FAQ 手风琴 ---------- */
  .faq-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-1);
    overflow:hidden;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .faq-item:hover{border-color:#C9D6F5;box-shadow:var(--shadow-2);}
  .faq-q{
    width:100%;
    display:flex;align-items:flex-start;gap:14px;
    padding:20px 22px;
    background:transparent;border:0;
    text-align:left;cursor:pointer;
    color:var(--text);
  }
  .faq-idx{
    flex:0 0 auto;
    font-size:13px;font-weight:700;color:var(--blue);
    font-variant-numeric:tabular-nums;
    line-height:1.7;
    min-width:22px;
  }
  .faq-text{flex:1 1 auto;font-size:16.5px;font-weight:600;line-height:1.65;}
  .faq-plus{
    position:relative;flex:0 0 auto;
    width:20px;height:20px;margin-top:4px;
    transition:transform .2s ease-out;
  }
  .faq-plus::before,
  .faq-plus::after{
    content:"";position:absolute;left:50%;top:50%;
    background:var(--blue);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-plus::before{width:14px;height:2px;}
  .faq-plus::after{width:2px;height:14px;}
  .faq-item.open .faq-plus{transform:rotate(45deg);}
  .faq-a{
    background:#F8FAFD;
    border-left:2px solid var(--blue);
    margin:0 22px 18px;
    border-radius:0 var(--r-sm) var(--r-sm) 0;
    padding:16px 18px;
  }
  .faq-a p{font-size:15.5px;color:var(--sub);line-height:1.85;}
  .faq-a p + p{margin-top:10px;}
  .faq-a strong{color:var(--ink);font-weight:600;}
  .faq-empty{
    margin-top:20px;
    padding:36px 24px;
    text-align:center;
    border:1px dashed #C9D6F5;
    border-radius:var(--r-md);
    background:#FBFCFE;
  }
  .faq-empty .e-ico{
    width:40px;height:40px;margin:0 auto 12px;
    border-radius:50%;
    background:var(--blue-soft);
    position:relative;
  }
  .faq-empty .e-ico::before{
    content:"";position:absolute;left:50%;top:50%;
    width:16px;height:16px;transform:translate(-50%,-50%);
    border:2px solid var(--blue);border-radius:50%;
  }
  .faq-empty p{font-size:14.5px;color:var(--sub);}
  .faq-empty .btn{margin-top:16px;height:38px;padding:0 18px;font-size:14px;}

  /* ---------- 侧边栏 ---------- */
  .side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px;}
  .side-card{padding:24px;}
  .side-card h3{font-size:18px;font-weight:600;line-height:1.5;}
  .side-card p{margin-top:10px;font-size:14.5px;color:var(--sub);line-height:1.8;}
  .side-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
  .side-list li{display:flex;gap:10px;font-size:14px;color:var(--sub);line-height:1.7;}
  .side-list li::before{
    content:"";flex:0 0 auto;
    width:6px;height:6px;margin-top:9px;border-radius:50%;
    background:var(--neon);
  }
  .side-card .btn{width:100%;margin-top:18px;}
  .side-meta{
    margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .side-note{
    padding:20px 22px;
    background:#FFF8E9;
    border:1px solid #F3E1BC;
    border-left:3px solid var(--warm);
    border-radius:var(--r-md);
    font-size:14px;color:#7A5B18;line-height:1.8;
  }

  /* ---------- 处理顺序 ---------- */
  .steps-card{
    margin-top:32px;
    display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
    padding:36px;
  }
  .steps-card h2{font-size:28px;line-height:1.3;font-weight:600;}
  .steps{display:flex;flex-direction:column;gap:20px;margin-top:22px;}
  .step{display:flex;gap:16px;align-items:flex-start;}
  .step-num{
    flex:0 0 auto;
    width:36px;height:36px;border-radius:10px;
    background:var(--blue-soft);color:var(--blue);
    font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
    display:flex;align-items:center;justify-content:center;
  }
  .step h3{font-size:16px;font-weight:600;}
  .step p{font-size:14.5px;color:var(--sub);margin-top:4px;}
  .steps-figure{
    border-radius:var(--r-md);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .steps-figure img{width:100%;height:260px;object-fit:cover;}

  /* ---------- 相关分类 ---------- */
  .related{margin-top:56px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
  .related .label{font-size:14px;font-weight:600;color:var(--ink);margin-right:4px;}
  .rel-link{
    display:inline-flex;align-items:center;gap:8px;
    height:38px;padding:0 16px;
    border:1px solid var(--line);
    border-radius:999px;
    background:#FFFFFF;
    font-size:14px;color:var(--sub);
    transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .rel-link:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-1);}
  .rel-link.current{background:var(--blue);border-color:var(--blue);color:#FFFFFF;}

  /* ---------- CTA 带 ---------- */
  .cta-band{margin-top:72px;}
  .cta-inner{
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    padding:36px 40px;
    background:var(--ink);
    border-radius:var(--r-lg);
    border-left:4px solid var(--neon);
    box-shadow:var(--shadow-2);
    position:relative;
    overflow:hidden;
  }
  .cta-inner::after{
    content:"";position:absolute;right:-60px;top:-60px;
    width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(56,225,206,.18) 0%,rgba(56,225,206,0) 70%);
    pointer-events:none;
  }
  .cta-inner h2{font-size:26px;line-height:1.35;font-weight:600;color:#FFFFFF;}
  .cta-inner p{margin-top:8px;font-size:14.5px;color:#B7C0D4;max-width:560px;}
  .cta-inner .btn{flex:0 0 auto;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:80px;
    background:var(--ink-deep);
    color:#B7C0D4;
    border-top:1px solid rgba(56,225,206,.45);
  }
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;
    padding:56px 0 40px;
  }
  .footer-brand .logo{margin-bottom:14px;}
  .footer-desc{font-size:14px;line-height:1.85;color:#98A2B8;max-width:340px;}
  .footer-title{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:#B7C0D4;transition:color .18s ease-out;}
  .footer-links a:hover{color:#FFFFFF;}
  .footer-meta{font-size:14px;line-height:1.9;color:#98A2B8;}
  .footer-meta strong{color:#FFFFFF;font-weight:600;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:18px 0 28px;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:13px;color:#8C97AD;
  }
  .footer-bottom a{color:#B7C0D4;}
  .footer-bottom a:hover{color:#FFFFFF;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-toggle{display:inline-flex;}
    .nav-menu{
      position:fixed;inset:0;
      z-index:60;
      flex-direction:column;
      align-items:stretch;
      gap:2px;
      padding:96px 24px 40px;
      background:var(--ink);
      transform:translateX(100%);
      transition:transform .24s ease-out;
      overflow-y:auto;
    }
    .nav-menu.open{transform:translateX(0);}
    .nav-link{
      display:block;
      font-size:17px;
      padding:14px 14px;
      border-left:3px solid transparent;
      border-radius:0;
    }
    .nav-link::after{display:none;}
    .nav-link.active{
      border-left-color:var(--neon);
      background:rgba(56,225,206,.07);
    }
    .head-grid{grid-template-columns:1fr;gap:28px;}
    .head-figure img{height:200px;}
    .quick-grid{grid-template-columns:repeat(2,1fr);padding:16px;}
    .faq-layout{grid-template-columns:1fr;gap:24px;}
    .side-sticky{position:static;}
    .steps-card{grid-template-columns:1fr;padding:28px;}
    .steps-figure img{height:220px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    h1{font-size:36px;}
    .section-head h2{font-size:28px;}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:28px;}
  }
  @media (max-width:767px){
    .wrap{padding:0 20px;}
    h1{font-size:30px;}
    .head-lead{font-size:15.5px;}
    .section{padding:56px 0 0;}
    .section-head h2{font-size:24px;}
    .faq-q{padding:18px 16px;gap:10px;}
    .faq-text{font-size:15.5px;}
    .faq-a{margin:0 16px 16px;padding:14px 16px;}
    .faq-a p{font-size:15px;}
    .quick-grid{grid-template-columns:1fr 1fr;gap:10px;}
    .quick-item{padding:10px 12px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 30px;}
    .cta-inner h2{font-size:22px;}
    .rel-link{height:36px;padding:0 14px;font-size:13.5px;}
    .topbar-note{display:none;}
    .topbar-inner{justify-content:flex-end;}
  }
  @media (max-width:519px){
    .nav-actions .btn-neon{display:none;}
    .head-actions .btn{width:100%;}
    .quick-grid{grid-template-columns:1fr;}
    .cta-inner .btn{width:100%;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  }

/* roulang page: category4 */
:root{
  --blue:#2456D9;
  --blue-dark:#1C43AE;
  --blue-soft:#EAF0FF;
  --ink:#0C1526;
  --ink-deep:#0B1220;
  --neon:#38E1CE;
  --page-bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#101828;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --line:#E6EAF2;
  --warm:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --sh-1:0 8px 24px rgba(12,21,38,.06);
  --sh-2:0 16px 40px rgba(12,21,38,.12);
  --max:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html body{
  margin:0;
  padding:0;
  background:var(--page-bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Inter",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
table{border-collapse:separate;border-spacing:0;}
:where(a,button,input,select,textarea):focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- 顶部工具条 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.topbar{background:var(--ink-deep);height:32px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px;}
.topbar-note{font-size:12px;color:#8892A6;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;align-items:center;gap:18px;font-size:12px;flex:none;}
.topbar-links a{color:#B7C0D4;transition:color .18s ease-out;}
.topbar-links a:hover{color:#FFFFFF;}
.topbar-cta{background:rgba(56,225,206,.14);color:var(--neon);padding:3px 11px;border-radius:999px;border:1px solid rgba(56,225,206,.35);font-weight:600;}
.topbar-cta:hover{background:rgba(56,225,206,.24);}

/* ---------- 主导航 ---------- */
.navbar{background:var(--ink);position:relative;}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(56,225,206,0),rgba(56,225,206,.45) 28%,rgba(36,86,217,.45) 72%,rgba(36,86,217,0));}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:8px;height:30px;flex:none;}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(56,225,206,.85);flex:none;}
.logo-main{font-size:20px;font-weight:700;color:#FFFFFF;letter-spacing:.02em;line-height:1;}
.logo-sub{font-size:11px;font-weight:600;color:#8FA8D8;letter-spacing:.06em;line-height:1;padding-top:2px;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;display:inline-block;font-size:14.5px;font-weight:500;color:#B7C0D4;padding:8px 0;transition:color .18s ease-out;}
.nav-link:hover{color:#FFFFFF;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#FFFFFF;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{content:"";position:absolute;left:50%;bottom:-9px;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--neon);box-shadow:0 0 12px rgba(56,225,206,.85);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;line-height:1;border-radius:10px;padding:12px 20px;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;white-space:nowrap;}
.btn-neon{background:var(--neon);color:#08202A;box-shadow:0 6px 18px rgba(56,225,206,.26);}
.btn-neon:hover{background:#5BE9D8;transform:translateY(-1px);}
.btn-primary{background:var(--blue);color:#FFFFFF;box-shadow:0 8px 20px rgba(36,86,217,.22);}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 10px 26px rgba(36,86,217,.3);}
.btn-ghost{background:#FFFFFF;color:var(--ink);border:1px solid var(--blue);}
.btn-ghost:hover{background:var(--blue-soft);transform:translateY(-1px);}
.btn-dark{background:#FFFFFF;color:var(--ink);}
.btn-dark:hover{background:#EAF0FF;transform:translateY(-1px);}

.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.16);position:relative;align-items:center;justify-content:center;}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;margin:-1px 0 0 -9px;background:#FFFFFF;border-radius:2px;transition:background .18s ease-out;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#FFFFFF;border-radius:2px;transition:transform .2s ease-out;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 页头 ---------- */
.page-hero{background:linear-gradient(180deg,#FFFFFF 0%,#F5F7FB 100%);border-bottom:1px solid var(--line);padding:52px 0 54px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:center;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumbs a{color:var(--text-2);transition:color .18s ease-out;}
.crumbs a:hover{color:var(--blue);}
.crumbs .sep{color:#C6CEDA;}
.crumbs .current{color:var(--text);font-weight:600;}
.page-tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;}
.page-title{font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.page-lead{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:660px;}
.hero-thumb{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);position:relative;}
.hero-thumb::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);box-shadow:inset 0 0 0 1px rgba(36,86,217,.16);pointer-events:none;}
.hero-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-white{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--blue);text-transform:uppercase;margin-bottom:12px;}
.sec-eyebrow::before{content:"";width:18px;height:2px;background:var(--neon);border-radius:2px;}
.sec-title{font-size:32px;line-height:1.28;font-weight:600;letter-spacing:-.01em;color:var(--text);}
.sec-sub{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--text-2);}

/* ---------- 对照表 ---------- */
.check-table{width:100%;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.check-table thead th{background:var(--ink);color:#FFFFFF;font-size:13.5px;font-weight:600;text-align:left;padding:16px 22px;letter-spacing:.03em;}
.check-table thead th.th-good{color:#8FF3E7;}
.check-table thead th.th-bad{color:#FFC98A;}
.check-table thead th:first-child{width:20%;}
.check-table tbody td{padding:16px 22px;font-size:14.5px;line-height:1.75;color:var(--text-2);vertical-align:top;border-top:1px solid var(--line);}
.check-table tbody td:first-child{color:var(--text);font-weight:600;background:#FCFDFF;}
.check-table tbody tr:nth-child(even) td{background:#F8FAFD;}
.check-table tbody tr:nth-child(even) td:first-child{background:#F3F6FC;}
.check-table tbody td.td-good::before,
.check-table tbody td.td-bad::before{display:inline-block;font-size:12px;font-weight:700;margin-right:6px;}
.check-table tbody td.td-good::before{content:"✓";color:#12A594;}
.check-table tbody td.td-bad::before{content:"✕";color:#D9822B;}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:16px;align-items:flex-start;background:#FFF8E8;border:1px solid #F5DFAE;border-left:4px solid var(--warm);border-radius:var(--r-md);padding:20px 24px;margin-top:28px;}
.notice-mark{flex:none;width:26px;height:26px;border-radius:50%;background:var(--warm);color:#FFFFFF;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;margin-top:2px;}
.notice-body strong{display:block;color:#7A4E00;font-size:15.5px;font-weight:600;margin-bottom:4px;}
.notice-body p{font-size:14.5px;line-height:1.8;color:#6B5220;}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:center;}
.split.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split h3{font-size:24px;line-height:1.4;font-weight:600;color:var(--text);margin-bottom:14px;}
.split p{font-size:15.5px;line-height:1.9;color:var(--text-2);}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--text-2);}
.point-list .dot{flex:none;width:20px;height:20px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;}

/* ---------- 徽章墙 ---------- */
.badge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.badge-card{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.badge-card:hover{transform:translateY(-4px);border-color:rgba(36,86,217,.3);box-shadow:var(--sh-2);}
.badge-icon{width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;}
.badge-card h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--text);margin-bottom:8px;transition:color .2s ease-out;}
.badge-card:hover h3{color:var(--blue);}
.badge-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;position:relative;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(36,86,217,.3);}
.step-num{font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--blue);margin-bottom:12px;display:block;}
.step h3{font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#FFFFFF;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.faq-item.open{border-color:rgba(36,86,217,.35);box-shadow:var(--sh-1);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--text);}
.faq-q:hover{color:var(--blue);}
.faq-idx{font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--blue);min-width:22px;flex:none;}
.faq-plus{position:relative;margin-left:auto;width:20px;height:20px;flex:none;transition:transform .2s ease-out;}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:opacity .2s ease-out;}
.faq-plus::before{left:0;right:0;top:50%;height:2px;margin-top:-1px;}
.faq-plus::after{top:0;bottom:0;left:50%;width:2px;margin-left:-1px;}
.faq-item.open .faq-plus{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px 58px;font-size:15px;line-height:1.85;color:var(--text-2);background:#F8FAFD;border-left:2px solid var(--blue);}
.faq-item.open .faq-a{display:block;}

/* ---------- 分类 chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:600;letter-spacing:.02em;border:1px solid rgba(36,86,217,.14);transition:background-color .18s ease-out,transform .18s ease-out;}
.chip:hover{background:#DCE6FF;transform:translateY(-1px);}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:18px;padding:42px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;}
.cta-band::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:0 4px 4px 0;background:var(--neon);box-shadow:0 0 18px rgba(56,225,206,.7);}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(36,86,217,.45),rgba(36,86,217,0) 70%);pointer-events:none;}
.cta-left{position:relative;z-index:1;}
.cta-band h2{color:#FFFFFF;font-size:27px;line-height:1.35;font-weight:600;letter-spacing:-.01em;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:#B7C0D4;max-width:560px;}
.cta-right{position:relative;z-index:1;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);border-top:1px solid rgba(56,225,206,.22);padding-top:56px;color:#B7C0D4;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:40px;}
.footer-brand .logo{height:auto;}
.footer-desc{font-size:14px;line-height:1.85;color:#8A94A6;margin-top:16px;max-width:330px;}
.footer-title{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#B7C0D4;transition:color .18s ease-out;}
.footer-links a:hover{color:#FFFFFF;}
.footer-meta{font-size:14px;line-height:1.9;color:#8A94A6;}
.footer-meta strong{color:#DCE3F2;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:20px 0;font-size:13px;color:#7A8497;}
.footer-bottom a{color:#9FB0CF;transition:color .18s ease-out;}
.footer-bottom a:hover{color:#FFFFFF;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:20px;}
}
@media (max-width:1023px){
  .navbar-inner{height:64px;}
  .nav-menu{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--ink);padding:6px 20px 16px;border-bottom:1px solid rgba(56,225,206,.2);box-shadow:0 20px 40px rgba(0,0,0,.35);}
  .nav-menu.open{display:flex;}
  .nav-menu li{border-top:1px solid rgba(255,255,255,.07);}
  .nav-menu li:first-child{border-top:0;}
  .nav-link{display:block;padding:14px 12px;font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.active::before{display:none;}
  .nav-link.active{box-shadow:inset 3px 0 0 var(--neon);color:#FFFFFF;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-neon{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-thumb{max-width:520px;}
  .page-title{font-size:32px;}
  .sec-title{font-size:26px;}
  .split,.split.reverse{grid-template-columns:1fr;gap:26px;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .page-hero{padding:38px 0 42px;}
  .page-title{font-size:27px;}
  .page-lead{font-size:15.5px;}
  .sec-title{font-size:23px;}
  .sec-sub{font-size:15px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .cta-right{width:100%;}
  .check-table thead{display:none;}
  .check-table,.check-table tbody,.check-table tr,.check-table td{display:block;width:100%;}
  .check-table{border-radius:14px;}
  .check-table tbody tr{border-top:1px solid var(--line);}
  .check-table tbody tr:first-child{border-top:0;}
  .check-table tbody tr:nth-child(even){background:#F8FAFD;}
  .check-table tbody td{border-top:0;padding:8px 20px;background:transparent !important;}
  .check-table tbody tr{padding:12px 0;}
  .check-table tbody td::before{content:attr(data-label);display:block;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:2px;}
  .check-table tbody td:first-child{padding-top:14px;font-size:15px;}
  .check-table tbody td:first-child::before{display:none;}
  .faq-a{padding-left:24px;}
}
@media (max-width:639px){
  .wrap{padding:0 20px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .badge-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .chip-row .chip{flex:1 1 auto;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}