/* roulang page: index */
:root{
  --ink:#121820;--body:#39424F;--muted:#6B7686;--line:#E4EAF1;
  --page:#F5F8FB;--card:#FFFFFF;--mist:#EFF5F8;
  --primary:#1B5A78;--primary-deep:#12445C;--primary-soft:#E9F2F6;
  --bamboo:#2F8F6D;--bamboo-soft:#E9F5F0;
  --amber:#F0A93C;--amber-deep:#D9902A;--amber-soft:#FDF3E2;
  --deep:#0E151C;--warn:#9A4B1F;
  --sh1:0 1px 2px rgba(16,42,67,.04),0 10px 28px rgba(16,42,67,.06);
  --sh2:0 2px 4px rgba(16,42,67,.05),0 18px 44px rgba(16,42,67,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--page);color:var(--body);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-deep)}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(47,143,109,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 24px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.nav-inner{display:flex;align-items:center;gap:14px;height:60px}
@media(min-width:1024px){.nav-inner{height:68px;gap:18px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-name{display:flex;flex-direction:column;line-height:1.16}
.brand-name b{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:0}
.brand-name span{font-size:10px;font-weight:600;color:var(--primary);letter-spacing:.2px}
@media(min-width:1024px){.brand-name b{font-size:16px}.brand-name span{font-size:11px}}
.nav-links{display:none}
@media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:8px;font-size:14.5px;font-weight:500;color:#3C4653;transition:background .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-deep)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.nav-tools{display:none;align-items:center;gap:12px;margin-left:auto}
@media(min-width:1024px){.nav-tools{display:flex}}
.search-box{position:relative;width:220px}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#94A0AE}
.search-box input{width:100%;height:40px;border:1px solid var(--line);border-radius:10px;padding:0 12px 0 36px;font-size:13.5px;color:var(--ink);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#9AA6B4}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,90,120,.12)}
.nav-login{font-size:14px;font-weight:500;color:#4A5462;padding:8px 4px}
.nav-login:hover{color:var(--primary)}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--primary)}
@media(min-width:1024px){.menu-btn{display:none}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:10px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:var(--amber);color:#1A1409;box-shadow:0 1px 2px rgba(217,144,42,.28)}
.btn-primary:hover{background:var(--amber-deep);color:#1A1409;transform:translateY(-1px);box-shadow:0 8px 20px rgba(217,144,42,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;border-color:var(--line);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:#C9DCE6;color:var(--primary-deep);transform:translateY(-1px)}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh1)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap}
.badge-primary{background:var(--primary-soft);color:var(--primary-deep)}
.badge-bamboo{background:var(--bamboo-soft);color:var(--bamboo)}
.badge-amber{background:var(--amber-soft);color:var(--warn)}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(180deg,#F2F8FB 0%,#F5F8FB 100%);overflow:hidden}
.hero-grid{display:grid;gap:32px;padding:36px 0 48px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:56px 0 68px}}
.hero-h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:700;color:var(--ink);letter-spacing:0}
.hl{background:linear-gradient(180deg,transparent 62%,rgba(240,169,60,.42) 62%,rgba(240,169,60,.42) 92%,transparent 92%);padding:0 2px;border-radius:2px}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:#4A5462;max-width:560px}
@media(min-width:1024px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:480px){.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}}
.hero-trust{display:flex;flex-wrap:wrap;gap:0 16px;margin-top:26px;font-size:13px;color:var(--muted)}
.hero-trust li{position:relative;padding-left:16px}
.hero-trust li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:#CBD7E1}
.hero-trust li:first-child{padding-left:0}
.hero-trust li:first-child::before{display:none}
.hero-frame{position:relative;border-radius:20px;overflow:hidden;background:var(--mist);box-shadow:var(--sh1)}
.hero-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(233,242,246,.20));pointer-events:none}
.hero-pill{position:absolute;top:16px;right:16px;z-index:2;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.95);color:var(--bamboo);font-size:12.5px;font-weight:600;box-shadow:0 2px 8px rgba(16,42,67,.08)}
.hero-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--bamboo)}
.hero-note{position:absolute;left:16px;bottom:16px;z-index:2;background:#fff;border-radius:12px;padding:11px 15px;box-shadow:var(--sh1);max-width:80%}
.hero-note strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600}
.hero-note span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

/* ---------- sections ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:72px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
@media(min-width:768px){.section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}}
.section-title{font-size:24px;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-.2px}
@media(min-width:1024px){.section-title{font-size:30px}}
.section-sub{font-size:15px;line-height:1.8;color:var(--muted);margin-top:8px;max-width:620px}
.eyebrow{font-size:12.5px;font-weight:600;color:var(--bamboo);letter-spacing:.4px}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.arrow-link svg{transition:transform .24s var(--ease)}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- feature cards ---------- */
.feature-grid{display:grid;gap:20px}
@media(min-width:1024px){.feature-grid{grid-template-columns:5fr 7fr;gap:24px}}
.feature-col{display:grid;gap:20px;align-content:start}
@media(min-width:1024px){.feature-col{gap:24px}}
.feature-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.feature-num{font-size:46px;font-weight:700;line-height:1;letter-spacing:-1px;color:rgba(27,90,120,.20)}
.feature-card h3{font-size:21px;font-weight:600;color:var(--ink);line-height:1.4}
.feature-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.feature-card .arrow-link{margin-top:auto;padding-top:8px}
@media(min-width:1024px){.feature-card.tall{padding:32px}}

/* ---------- scene steps ---------- */
.scene-grid{display:grid;gap:28px}
@media(min-width:1024px){.scene-grid{grid-template-columns:5fr 7fr;gap:36px}}
.scene-aside{align-self:start}
@media(min-width:1024px){.scene-aside{position:sticky;top:96px}}
.scene-anchors{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.scene-anchors a{display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;border-radius:8px;font-size:14px;color:#4A5462;border-left:2px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.scene-anchors a::before{content:"";width:6px;height:6px;border-radius:50%;background:#C3D6E1}
.scene-anchors a:hover{background:var(--primary-soft);color:var(--primary-deep);border-left-color:var(--bamboo)}
.steps{position:relative;display:flex;flex-direction:column;gap:20px}
.steps::before{content:"";position:absolute;left:21px;top:18px;bottom:18px;width:2px;background:#DCE9F0}
.step{position:relative;display:flex;gap:16px;align-items:flex-start}
.step-num{position:relative;z-index:1;flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid #CFE2EB;color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.step-card{flex:1;display:flex;gap:16px;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--sh1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.step-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
.step-card p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:6px}
.step-thumb{flex:0 0 auto;width:160px;height:110px;border-radius:12px;overflow:hidden;background:var(--mist)}
.step-thumb img{width:100%;height:100%;object-fit:cover}
@media(max-width:520px){
  .step-card{flex-direction:column;align-items:flex-start}
  .step-thumb{width:100%;height:140px}
}

/* ---------- stats + voices ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(2,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh1);overflow:hidden}
@media(min-width:768px){.stats-bar{grid-template-columns:repeat(4,1fr)}}
.stat{position:relative;padding:22px 14px;text-align:center}
.stat + .stat::before{content:"";position:absolute;left:0;top:24%;bottom:24%;width:1px;background:var(--line)}
.stat strong{display:block;font-size:30px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:-.5px}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.voice-grid{display:grid;gap:20px;margin-top:22px}
@media(min-width:768px){.voice-grid{grid-template-columns:1fr 1fr}}
.voice-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh1)}
.voice-quote{font-family:Georgia,"Times New Roman",serif;font-size:38px;line-height:1;color:#D4E5ED}
.voice-card p{font-size:14.5px;line-height:1.85;color:#4A5462;margin-top:8px}
.voice-sign{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.voice-avatar{width:34px;height:34px;border-radius:50%;background:var(--bamboo-soft);color:var(--bamboo);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.voice-sign strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600}
.voice-sign span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- posts ---------- */
.post-grid{display:grid;gap:20px}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.post-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.post-title{font-size:18px;font-weight:600;color:var(--ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;font-size:12.5px;color:#8A95A3}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:#C2CDD8}
.post-card .arrow-link{margin-top:6px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:220px;padding:28px;text-align:center;background:var(--mist);border:1.5px dashed #CFE0E9;border-radius:16px}
.empty-state svg{color:#A9BFCC}
.empty-title{font-size:15px;color:#5A6675}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:26px}
@media(min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:44px}}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:background .2s var(--ease),border-color .2s var(--ease)}
.faq-item[open]{background:var(--mist);border-color:#D7E6EE}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);list-style:none;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:16px;line-height:1;transition:transform .24s var(--ease),background .2s var(--ease)}
.faq-item[open] .faq-sign{transform:rotate(45deg);background:var(--bamboo-soft);color:var(--bamboo)}
.faq-answer{font-size:15px;line-height:1.8;color:#4A5462;padding:0 0 20px}

/* ---------- cta panel ---------- */
.cta-panel{position:relative;overflow:hidden;background:var(--deep);border-radius:20px;padding:32px 24px}
@media(min-width:1024px){.cta-panel{padding:48px}}
.cta-panel::after{content:"";position:absolute;right:-50px;top:-50px;width:280px;height:280px;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:16px 16px;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:32px}}
.cta-panel h2{font-size:24px;font-weight:700;color:#fff;line-height:1.35}
@media(min-width:1024px){.cta-panel h2{font-size:30px}}
.cta-panel p{font-size:14.5px;line-height:1.8;color:#A9B6C3;margin-top:10px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
@media(max-width:480px){.cta-actions{flex-direction:column;align-items:stretch}.cta-actions .btn{width:100%}}
.cta-ghost{font-size:14px;font-weight:600;color:#D7E2EA}
.cta-ghost:hover{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#96A3B0;padding:52px 0 0}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand b{display:block;font-size:15px;color:#fff;font-weight:700;line-height:1.3}
.footer-brand span{display:block;font-size:11px;color:#8FA3B1}
.footer-desc{font-size:13.5px;line-height:1.9;color:#8B99A6;margin-top:14px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.82);margin-bottom:14px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:#96A3B0}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13px;line-height:1.9;color:#8B99B0;color:#8B99A6}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:36px;padding:18px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#7D8B99}
.to-top{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.18);color:#C6D2DC;background:transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.to-top:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.36)}

/* ---------- fixed bar ---------- */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;height:60px;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(16,42,67,.06)}
@media(min-width:768px){.fixed-bar{height:64px}}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%}
.fixed-text strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.3}
.fixed-text span{display:none;font-size:12.5px;color:var(--muted)}
@media(min-width:768px){.fixed-text span{display:block}}
.fixed-actions{display:flex;align-items:center;gap:10px}
.fixed-actions .btn-outline{display:none}
@media(min-width:768px){.fixed-actions .btn-outline{display:inline-flex}}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(14,21,28,.42)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;padding:18px 20px 28px;overflow-y:auto;box-shadow:-10px 0 40px rgba(16,42,67,.14);display:flex;flex-direction:column;gap:16px}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--primary)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{display:flex;align-items:center;height:46px;padding:0 12px;border-radius:10px;font-size:15px;color:#3C4653;font-weight:500}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600}
.drawer .search-box{width:100%}

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

/* roulang page: category1 */
:root{
  --ink:#121820;
  --body-text:#39424F;
  --muted:#6B7686;
  --line:#E4EAF1;
  --page:#F5F8FB;
  --white:#FFFFFF;
  --cyan:#EFF5F8;
  --primary:#1B5A78;
  --primary-dark:#12445C;
  --primary-soft:#E9F2F6;
  --bamboo:#2F8F6D;
  --bamboo-soft:#E9F5F0;
  --amber:#F0A93C;
  --amber-dark:#D9902A;
  --amber-soft:#FDF3E2;
  --footer-bg:#0E151C;
  --warn:#9A4B1F;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --sh1:0 1px 2px rgba(16,42,67,.04), 0 10px 28px rgba(16,42,67,.06);
  --sh2:0 2px 4px rgba(16,42,67,.05), 0 18px 44px rgba(16,42,67,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  background:var(--page);
  color:var(--body-text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
body{font-variant-numeric:tabular-nums}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:var(--ink)}
:focus-visible{outline:3px solid rgba(47,143,109,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(16,42,67,.08)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;border-radius:10px}
.brand-mark{width:28px;height:28px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-text b{font-size:15px;font-weight:700;color:var(--ink)}
.brand-text span{font-size:10.5px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--body-text);transition:background .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{position:relative;width:220px}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-box input{width:100%;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--white);padding:0 12px 0 36px;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#9AA5B3}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,143,109,.18)}
.link-login{font-size:14.5px;color:var(--body-text);padding:6px 4px;border-radius:6px;transition:color .2s var(--ease)}
.link-login:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn svg{flex:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--amber);color:#121820}
.btn-primary:hover{background:var(--amber-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,144,42,.28)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:var(--white);border-color:var(--line);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);border-color:#CFE2EA;transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,68,92,.24)}
.btn-dark:active{transform:none}
.btn-block{width:100%}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--white);cursor:pointer;margin-left:auto;transition:background .2s var(--ease)}
.menu-toggle:hover{background:var(--primary-soft)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--white);padding:14px 0 20px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .container{display:flex;flex-direction:column;gap:6px}
.mobile-drawer .nav-link{height:44px;padding:0 12px;font-size:15.5px;justify-content:flex-start;width:100%}
.mobile-drawer .search-box{width:100%;margin:8px 0 6px}
.mobile-drawer .btn{width:100%;margin-top:6px}

/* ---------- 页头带 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--cyan);border-bottom:1px solid var(--line)}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:40px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CCD8}
.breadcrumb .current{color:#39424F}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:700;line-height:1.22;margin:16px 0 14px;max-width:840px}
.page-hero .lead{font-size:17px;line-height:1.8;color:#4A5462;max-width:780px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:13.5px;color:#39424F;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease)}
.pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-1px)}
.watermark{position:absolute;right:28px;top:50%;transform:translateY(-50%);width:170px;opacity:.06;pointer-events:none;z-index:1}

/* ---------- 主体布局 ---------- */
.main-wrap{padding:56px 0 8px}
.layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:40px;align-items:start}
.toc{position:sticky;top:88px}
.toc-title{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-bottom:10px}
.toc-list{border-left:2px solid var(--line)}
.toc-list a{display:block;padding:9px 0 9px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;color:#4A5462;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
.toc-list a:hover{color:var(--primary);background:var(--primary-soft)}
.toc-list a.is-current{color:var(--primary);border-left-color:var(--bamboo);font-weight:600}
.toc-card{margin-top:22px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;box-shadow:var(--sh1)}
.toc-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md)}
.toc-card p{margin-top:12px;font-size:13px;line-height:1.7;color:var(--muted)}
.toc-card a.toc-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13.5px;font-weight:600;color:var(--primary)}
.toc-card a.toc-card-link:hover svg{transform:translateX(4px)}
.toc-card a.toc-card-link svg{transition:transform .22s var(--ease)}

.block{margin-bottom:56px}
.block:last-child{margin-bottom:0}
.block-head{margin-bottom:26px}
.block-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3}
.block-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;background:var(--bamboo-soft);color:var(--bamboo);font-size:12.5px;font-weight:600;margin-bottom:12px}

/* ---------- 时间线 ---------- */
.timeline{position:relative}
.tl-item{position:relative;display:grid;grid-template-columns:88px minmax(0,1fr);gap:20px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:43px;top:60px;bottom:2px;width:2px;background:#DCEAE6;border-radius:2px}
.tl-date{width:88px;height:56px;border-radius:var(--r-md);background:var(--primary-soft);display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid #D8E6EE}
.tl-date b{font-size:15px;font-weight:700;color:var(--primary);line-height:1.2}
.tl-date span{font-size:11.5px;color:var(--muted);line-height:1.4}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.tl-card{padding:20px 22px;display:flex;gap:18px;align-items:flex-start}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D7E4EC}
.tl-body{min-width:0;flex:1}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--primary-soft);color:var(--primary);white-space:nowrap}
.badge-green{background:var(--bamboo-soft);color:var(--bamboo)}
.badge-amber{background:var(--amber-soft);color:var(--warn)}
.tl-card h3{margin:10px 0 8px;font-size:19px;font-weight:600;line-height:1.45}
.tl-card p{font-size:14.5px;line-height:1.75;color:#4A5462}
.tl-thumb{width:160px;flex:none;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);background:var(--cyan)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--muted)}
.tl-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CCD8}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:color .2s var(--ease)}
.link-arrow svg{transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);box-shadow:var(--sh1)}
table.data{width:100%;border-collapse:collapse;min-width:640px}
table.data thead th{background:var(--cyan);text-align:left;padding:14px 18px;font-size:13.5px;font-weight:600;color:var(--primary);white-space:nowrap}
table.data tbody td{padding:14px 18px;font-size:14px;line-height:1.7;color:#4A5462;border-top:1px solid var(--line);vertical-align:top}
table.data tbody tr:nth-child(even){background:#FAFCFD}
table.data tbody th{text-align:left;padding:14px 18px;font-size:14px;font-weight:600;color:var(--ink);border-top:1px solid var(--line);white-space:nowrap}
.table-note{margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 延伸阅读 ---------- */
.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rcard{overflow:hidden;display:flex;flex-direction:column}
.rcard .rc-media{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--cyan)}
.rcard .rc-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.rcard:hover .rc-media img{transform:scale(1.03)}
.rc-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.rc-body h3{margin:10px 0 8px;font-size:16.5px;font-weight:600;line-height:1.5}
.rc-body p{font-size:13.5px;line-height:1.7;color:var(--muted)}
.rc-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);padding:4px 20px}
details.faq{border-bottom:1px solid var(--line)}
details.faq:last-child{border-bottom:none}
details.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:18px 4px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;transition:color .2s var(--ease)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:hover{color:var(--primary)}
.faq-icon{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--primary);transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease)}
details.faq[open]{background:var(--cyan);border-radius:var(--r-md)}
details.faq[open] summary{padding-left:16px;padding-right:16px;color:var(--primary)}
details.faq[open] .faq-icon{transform:rotate(45deg);background:var(--white);border-color:#CFE2EA}
details.faq .faq-a{padding:0 16px 20px;font-size:15px;line-height:1.8;color:#4A5462}

/* ---------- CTA 面板 ---------- */
.cta-panel{position:relative;overflow:hidden;background:var(--primary-dark);border-radius:var(--r-xl);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:0 20px 44px rgba(18,68,92,.18)}
.cta-panel::after{content:"";position:absolute;right:-40px;top:-40px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at center, rgba(255,255,255,.10) 0 2px, transparent 2px 14px);background-size:18px 18px;opacity:.5;pointer-events:none}
.cta-panel h2{color:#fff;font-size:clamp(21px,2.3vw,26px);font-weight:700;line-height:1.35}
.cta-panel p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.76);max-width:520px}
.cta-actions{position:relative;z-index:1;display:flex;align-items:center;gap:16px;flex:none}
.cta-actions .text-link{color:#fff;font-size:14.5px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:2px;transition:border-color .2s var(--ease),color .2s var(--ease)}
.cta-actions .text-link:hover{border-color:#fff}

/* ---------- 底部固定条 ---------- */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(16,42,67,.07);backdrop-filter:saturate(140%) blur(6px)}
.fixed-bar .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-text b{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.35}
.fixed-text span{display:block;font-size:12.5px;color:var(--muted);line-height:1.4}
.fixed-actions{display:flex;align-items:center;gap:12px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand div{display:flex;flex-direction:column;line-height:1.1}
.footer-brand b{color:#fff;font-size:15.5px;font-weight:700}
.footer-brand span{font-size:10.5px;color:rgba(255,255,255,.6);letter-spacing:.02em}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13px;line-height:1.75;color:rgba(255,255,255,.56)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-bottom span{font-size:12.5px;color:rgba(255,255,255,.5)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:transparent;color:rgba(255,255,255,.8);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.to-top:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.4);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .search-box{width:180px}
  .nav-link{padding:0 9px;font-size:14.5px}
}
@media (max-width:1024px){
  .nav-links,.header-tools{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:60px}
  .layout{grid-template-columns:1fr;gap:32px}
  .toc{position:static;display:grid;grid-template-columns:1fr;gap:0}
  .toc-card{display:none}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px;border-left:none}
  .toc-list a{margin-left:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px;background:#fff}
  .toc-list a.is-current{border-color:var(--primary);background:var(--primary-soft);border-left-color:var(--primary)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px}
  .watermark{width:130px;right:12px;opacity:.05}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .main-wrap{padding:40px 0 0}
  .page-hero .container{padding-top:26px;padding-bottom:30px}
  .page-hero .lead{font-size:15.5px}
  .block{margin-bottom:44px}
  .timeline .tl-item{grid-template-columns:64px minmax(0,1fr);gap:14px}
  .tl-date{width:64px;height:52px}
  .tl-item:not(:last-child)::before{left:31px;top:56px}
  .tl-card{flex-direction:column;padding:18px}
  .tl-thumb{width:100%;aspect-ratio:16/9}
  .reading-grid{grid-template-columns:1fr}
  .faq-list{padding:4px 14px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%}
  .cta-actions .text-link{text-align:center}
  .fixed-bar{height:60px}
  .fixed-text span{display:none}
  .fixed-actions .btn-ghost{display:none}
  .site-footer{margin-top:52px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:row}
}
@media (max-width:480px){
  h1{font-size:28px}
  .btn{height:48px}
  .header-inner{gap:12px}
  .brand-text b{font-size:14px}
  .brand-text span{font-size:10px}
  .anchor-pills{gap:8px}
  .pill{font-size:13px;padding:0 13px}
  .fixed-actions .btn{height:44px;padding:0 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#121820;
  --body:#39424F;
  --muted:#6B7686;
  --line:#E4EAF1;
  --page:#F5F8FB;
  --card:#FFFFFF;
  --primary:#1B5A78;
  --primary-dark:#12445C;
  --primary-soft:#E9F2F6;
  --bamboo:#2F8F6D;
  --bamboo-soft:#E9F5F0;
  --amber:#F0A93C;
  --amber-dark:#D9902A;
  --amber-soft:#FDF3E2;
  --footer:#0E151C;
  --warn:#9A4B1F;
  --shadow-1:0 1px 2px rgba(16,42,67,.04), 0 10px 28px rgba(16,42,67,.06);
  --shadow-2:0 2px 4px rgba(16,42,67,.05), 0 18px 44px rgba(16,42,67,.10);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
button{font:inherit;cursor:pointer;}
input,textarea,select{font:inherit;color:var(--ink);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0;}
ul,ol{margin:0;}
:focus-visible{outline:3px solid rgba(47,143,109,.45);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(16,42,67,.07);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand svg{flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.brand-text span{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.05em;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;
  padding:8px 12px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:500;
  color:var(--body);
  transition:background-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;
  padding:0 12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--muted);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,143,109,.18);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13.5px;color:var(--ink);}
.search-box input::placeholder{color:#9AA6B5;}
.login-link{font-size:14px;font-weight:500;color:var(--body);padding:8px 6px;white-space:nowrap;}
.login-link:hover{color:var(--primary);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--ink);
}
.menu-toggle:hover{background:var(--primary-soft);color:var(--primary);}

.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:14.5px;
  font-weight:600;
  text-align:center;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-amber{background:var(--amber);color:#241a06;box-shadow:0 1px 2px rgba(240,169,60,.30);}
.btn-amber:hover{background:var(--amber-dark);color:#1b1304;transform:translateY(-1px);box-shadow:0 8px 20px rgba(217,144,42,.28);}
.btn-amber:active{transform:translateY(0);box-shadow:none;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);border-color:#CFE0E8;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled]{opacity:.45;pointer-events:none;}

.mobile-drawer{background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-1);}
.mobile-drawer[hidden]{display:none;}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0;}
.drawer-link{
  padding:12px 12px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--body);
}
.drawer-link:hover,.drawer-link.is-active{background:var(--primary-soft);color:var(--primary);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;margin:6px 0 12px;color:var(--muted);}
.drawer-search input{border:0;outline:0;width:100%;background:transparent;font-size:14px;}
.drawer-cta{width:100%;margin-bottom:16px;}

/* ============ 文章页头带 ============ */
.page-hero{
  background:linear-gradient(180deg,#EFF5F8 0%,#F5F8FB 100%);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-40px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,143,109,.10),rgba(47,143,109,0) 70%);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);position:relative;z-index:1;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#B7C2CE;}
.breadcrumb .current{color:var(--body);}
.page-hero h1{
  position:relative;z-index:1;
  margin:14px 0 18px;
  max-width:900px;
  font-size:clamp(28px,3.7vw,40px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.2px;
  color:var(--ink);
}
.meta-row{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13.5px;color:var(--muted);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6D0DB;display:inline-block;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:0;}
.badge-primary{background:var(--primary-soft);color:var(--primary);}
.badge-bamboo{background:var(--bamboo-soft);color:var(--bamboo);}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
  padding:48px 0 72px;
}
.article-main{min-width:0;max-width:820px;}
.article-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);
  padding:40px;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;font-size:17px;line-height:1.9;color:var(--body);text-align:left;}
.article-body h2{
  margin:44px 0 16px;
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  padding-left:14px;
  border-left:3px solid var(--bamboo);
}
.article-body h3{margin:32px 0 12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:none;padding-left:6px;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:10px;font-size:16.5px;line-height:1.85;color:var(--body);}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--bamboo);}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:10px;font-size:16.5px;line-height:1.85;color:var(--body);}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--bamboo-soft);
  border-left:3px solid var(--bamboo);
  border-radius:0 12px 12px 0;
  color:#28503F;
  font-size:16.5px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;}
.article-body th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--body);}
.article-body tbody tr:nth-child(even) td{background:#FAFCFD;}
.article-body img{border-radius:12px;width:100%;height:auto;margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(27,90,120,.28);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.empty-state{
  border:1.5px dashed #C9D8E2;
  border-radius:var(--r-lg);
  background:#FAFCFD;
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:32px 24px;
  text-align:center;
}
.empty-state svg{color:#A9BAC9;}
.empty-state p{margin:0;font-size:16px;color:var(--body);}
.empty-state .empty-hint{font-size:13.5px;color:var(--muted);}

/* 文末区域 */
.article-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:24px;
  padding:0 4px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:12.5px;
  font-weight:600;
  color:var(--muted);
}
.tag:hover{border-color:#CFE0E8;color:var(--primary);background:var(--primary-soft);}

.cta-panel{
  margin-top:32px;
  background:var(--footer);
  border-radius:var(--r-xl);
  padding:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-40px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,169,60,.16),rgba(240,169,60,0) 70%);
  pointer-events:none;
}
.cta-panel h2{font-size:22px;line-height:1.4;color:#fff;font-weight:700;margin-bottom:8px;position:relative;z-index:1;}
.cta-panel p{margin:0;font-size:14.5px;color:#A9B9C9;max-width:520px;position:relative;z-index:1;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .text-link{color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cta-actions .text-link:hover{color:var(--amber);}
.cta-actions .text-link svg{transition:transform .22s var(--ease);}
.cta-actions .text-link:hover svg{transform:translateX(4px);}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.side-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--bamboo);}
.side-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:block;
  padding:8px 10px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:13.5px;
  color:var(--body);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.side-list a:hover{background:var(--primary-soft);color:var(--primary);border-left-color:var(--bamboo);}
.rel-item{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:10px;transition:background-color .22s var(--ease);}
.rel-item:hover{background:#F7FAFC;}
.rel-thumb{width:72px;height:56px;border-radius:8px;object-fit:cover;flex:none;background:var(--primary-soft);}
.rel-text{font-size:13.5px;line-height:1.55;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-item:hover .rel-text{color:var(--primary);}
.rel-list{display:flex;flex-direction:column;gap:6px;}

.side-cta{background:var(--primary-soft);border-color:#D6E5EC;}
.side-cta h3{font-size:15px;font-weight:700;color:var(--primary-dark);margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.75;color:#3D5B6B;margin:0 0 14px;}
.side-cta .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#C8D2DD;padding:64px 0 0;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{display:block;font-size:16px;font-weight:700;color:#fff;line-height:1.2;}
.footer-brand span{display:block;font-size:11px;color:#8FA0B3;letter-spacing:.05em;}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB0C2;max-width:330px;margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.85);margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FB0C2;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:13px;line-height:1.8;color:#8FA0B3;margin:0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;
  font-size:12.5px;
  color:#7D8EA1;
}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.20);
  background:transparent;
  color:#C8D2DD;
  display:grid;place-items:center;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.4);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .login-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding:36px 0 56px;}
  .article-main{max-width:none;}
  .article-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .side-list{flex-direction:row;flex-wrap:wrap;}
  .side-list li{flex:1 1 200px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{height:60px;gap:12px;}
  .brand-text b{font-size:15px;}
  .brand-text span{font-size:10px;}
  .header-cta{display:none;}
  .page-hero{padding:24px 0 32px;}
  .page-hero h1{font-size:30px;margin:12px 0 14px;}
  .article-layout{padding:28px 0 48px;}
  .article-body{padding:24px;border-radius:var(--r-lg);overflow-x:auto;}
  .article-body p{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:23px;margin-top:34px;}
  .article-body h3{font-size:18.5px;margin-top:26px;}
  .article-body ul li,.article-body ol li{font-size:16px;}
  .article-body table{font-size:13px;min-width:420px;}
  .cta-panel{padding:26px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-actions .text-link{justify-content:center;width:100%;}
  .site-footer{margin-top:56px;padding-top:44px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:520px){
  .article-body{padding:20px;}
  .article-body h2{font-size:21px;}
  .page-hero h1{font-size:26px;}
  .meta-row{font-size:12.5px;gap:8px 10px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#121820;
  --text:#39424F;
  --muted:#6B7686;
  --line:#E4EAF1;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --mist:#EFF5F8;
  --primary:#1B5A78;
  --primary-dark:#12445C;
  --primary-soft:#E9F2F6;
  --green:#2F8F6D;
  --green-soft:#E9F5F0;
  --amber:#F0A93C;
  --amber-dark:#D9902A;
  --amber-soft:#FDF3E2;
  --footer:#0E151C;
  --warn-text:#9A4B1F;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:20px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04), 0 10px 28px rgba(16,42,67,.06);
  --shadow-2:0 2px 4px rgba(16,42,67,.05), 0 18px 44px rgba(16,42,67,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  padding-bottom:88px;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(47,143,109,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700}
p{margin:0}
svg{flex-shrink:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,42,67,.08)}
.header-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;display:flex;align-items:center;justify-content:center}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;color:var(--ink);font-weight:700;letter-spacing:-.2px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:9px 12px;border-radius:8px;font-size:14.5px;color:var(--text);white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{position:relative;width:220px}
.search-box svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search-box input{width:100%;height:40px;padding:0 12px 0 34px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:13.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#9AA5B4}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,90,120,.14)}
.login-link{font-size:14px;color:var(--text);padding:8px 6px;border-radius:8px}
.login-link:hover{color:var(--primary);background:var(--primary-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:1px solid transparent;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn:active{transform:translateY(0)}
.btn-cta{background:var(--amber);color:#3A2606;box-shadow:0 6px 16px rgba(240,169,60,.22)}
.btn-cta:hover{background:var(--amber-dark);color:#3A2606;transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,169,60,.3)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-soft);border-color:#C9DCE6}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.menu-btn{display:none;width:42px;height:42px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;color:var(--ink)}
.menu-btn:hover{background:var(--primary-soft)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 18px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .nav-links{flex-direction:column;align-items:stretch;gap:2px;margin:0}
.mobile-drawer .nav-link{padding:12px 14px;font-size:15px}
.mobile-drawer .nav-link.is-active::after{display:none}
.mobile-drawer .search-box{width:100%;margin:12px 0 10px}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:6px}
.mobile-drawer .drawer-actions .btn{flex:1}

/* ---------- Page head ---------- */
.page-head{position:relative;overflow:hidden;background:linear-gradient(180deg,#EFF5F8 0%,#F5F8FB 100%);border-bottom:1px solid var(--line)}
.page-head .container{position:relative;padding-top:34px;padding-bottom:40px}
.watermark{position:absolute;right:8px;top:24px;opacity:.06;pointer-events:none}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#B9C4D0}
.crumbs .current{color:#4C5665}
.page-head h1{margin-top:16px;font-size:clamp(28px,4vw,42px);line-height:1.22;letter-spacing:-.2px;max-width:860px}
.page-lead{margin-top:14px;font-size:17px;line-height:1.85;color:var(--text);max-width:800px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--text);transition:all .2s var(--ease)}
.pill:hover{color:var(--primary);border-color:#BFD6E2;background:var(--primary-soft);transform:translateY(-1px)}

/* ---------- Section base ---------- */
.section{padding:64px 0}
.section--tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:30px}
.section-head h2{font-size:clamp(23px,2.6vw,30px)}
.section-head p{margin-top:10px;font-size:15.5px;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:12.5px;font-weight:600}
.eyebrow--blue{background:var(--primary-soft);color:var(--primary)}
.eyebrow--amber{background:var(--amber-soft);color:var(--warn-text)}

/* ---------- Centered column ---------- */
.column{max-width:880px;margin:0 auto}

/* ---------- Requirement card ---------- */
.req-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden}
.req-card-top{background:var(--mist);padding:22px 26px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;gap:14px}
.req-card-top h2{font-size:20px}
.req-card-top p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.7}
.req-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}
.req-item{background:#fff;padding:20px 26px}
.req-item h3{font-size:15.5px;display:flex;align-items:center;gap:8px}
.req-item h3 .dot{width:6px;height:6px;border-radius:2px;background:var(--green)}
.req-item p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- Steps ---------- */
.steps{display:flex;flex-direction:column;gap:20px}
.step-card{display:flex;align-items:flex-start;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3E1E9}
.step-num{width:56px;height:56px;flex:0 0 56px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;letter-spacing:-.5px}
.step-body{flex:1;min-width:0}
.step-body h3{font-size:19px}
.step-body p{margin-top:8px;font-size:14.5px;line-height:1.78;color:var(--muted)}
.step-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:12.5px;font-weight:600;margin-top:12px}
.step-thumb{width:220px;flex:0 0 220px;border-radius:12px;overflow:hidden;aspect-ratio:11/7;background:var(--mist)}
.step-thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- Table ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{background:var(--mist);color:var(--ink);font-size:13.5px;font-weight:700;text-align:left;padding:14px 18px;white-space:nowrap;border-bottom:1px solid var(--line)}
tbody td{padding:14px 18px;font-size:14px;color:var(--text);border-bottom:1px solid #F0F4F8;vertical-align:top}
tbody tr:nth-child(even) td{background:#FBFDFE}
tbody tr:last-child td{border-bottom:none}
tbody td strong{color:var(--ink);font-weight:600}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--primary-soft);color:var(--primary);white-space:nowrap}
.tag--green{background:var(--green-soft);color:var(--green)}
.tag--amber{background:var(--amber-soft);color:var(--warn-text)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:6px 22px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-plus{position:relative;width:20px;height:20px;flex:0 0 20px;color:var(--primary);transition:transform .24s var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-plus::before{left:0;right:0;top:9px;height:2px}
.faq-plus::after{top:0;bottom:0;left:9px;width:2px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-item[open]{background:var(--mist);border-radius:12px;padding:0 16px;margin-bottom:8px;border-bottom-color:transparent}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text);max-width:720px}

/* ---------- Related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:16.5px;line-height:1.5}
.rel-body p{font-size:13.5px;color:var(--muted);line-height:1.7}
.rel-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary)}
.rel-more .arw{transition:transform .22s var(--ease)}
.rel-card:hover .rel-more .arw{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;background:var(--primary-dark);border-radius:var(--radius-xl);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow-2)}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),rgba(255,255,255,0) 70%)}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.4vw,28px)}
.cta-panel p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.link-light{color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-light:hover{color:#E7F0F5}
.link-light .arw{transition:transform .22s var(--ease)}
.link-light:hover .arw{transform:translateX(4px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand b{display:block;color:#fff;font-size:16px;line-height:1.2}
.footer-brand span{display:block;color:rgba(255,255,255,.6);font-size:11px;line-height:1.4}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{color:rgba(255,255,255,.86);font-size:14px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col ul a:hover{color:#fff}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.58)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:rgba(255,255,255,.5)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);background:transparent;color:rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s var(--ease)}
.to-top:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- Fixed CTA bar ---------- */
.fixed-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(16,42,67,.06)}
.fixed-cta-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.fixed-cta-text b{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.3}
.fixed-cta-text span{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;margin-top:2px}
.fixed-cta-actions{display:flex;align-items:center;gap:10px}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links,.search-box,.login-link{display:none}
  .menu-btn{display:inline-flex}
  .container{padding:0 32px}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid .rel-card:last-child{display:none}
}
@media (max-width:860px){
  .step-card{flex-wrap:wrap}
  .step-thumb{width:100%;flex:1 0 100%;order:3;margin-top:16px}
}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section--tight{padding:36px 0}
  .header-inner{height:60px;gap:12px}
  .page-head .container{padding-top:24px;padding-bottom:32px}
  .page-lead{font-size:15.5px}
  .req-grid{grid-template-columns:1fr}
  .req-item{padding:18px 20px}
  .req-card-top{padding:18px 20px}
  .step-card{padding:20px}
  .step-num{width:48px;height:48px;flex:0 0 48px;font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .related-grid .rel-card:last-child{display:flex}
  .cta-panel{padding:28px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .site-footer{padding-top:44px;margin-top:48px}
  .fixed-cta-inner{height:60px}
  .fixed-cta-text span{display:none}
  .fixed-cta-actions .btn-ghost{display:none}
  .faq-item[open]{padding:0 14px}
  .watermark{display:none}
}
@media (max-width:520px){
  .header-actions .btn-sm{padding:0 14px;font-size:13.5px}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;gap:12px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
    --ink:#121820;
    --text:#39424F;
    --muted:#6B7686;
    --line:#E4EAF1;
    --bg:#F5F8FB;
    --card:#FFFFFF;
    --cyan-soft:#EFF5F8;
    --primary:#1B5A78;
    --primary-dark:#12445C;
    --primary-soft:#E9F2F6;
    --bamboo:#2F8F6D;
    --bamboo-soft:#E9F5F0;
    --amber:#F0A93C;
    --amber-dark:#D9902A;
    --amber-soft:#FDF3E2;
    --footer:#0E151C;
    --warn-text:#9A4B1F;
    --r-sm:8px;
    --r-md:10px;
    --r-card:16px;
    --r-lg:20px;
    --sh-1:0 1px 2px rgba(16,42,67,.04), 0 10px 28px rgba(16,42,67,.06);
    --sh-2:0 2px 4px rgba(16,42,67,.05), 0 18px 44px rgba(16,42,67,.10);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
    padding-bottom:88px;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  img{max-width:100%;display:block;border-style:none;}
  a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease);}
  a:hover{color:var(--primary-dark);}
  button{font-family:inherit;}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:3px solid rgba(47,143,109,.45);
    outline-offset:2px;
    border-radius:6px;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 22px rgba(16,42,67,.07);}
  .header-inner{
    display:flex;align-items:center;gap:22px;
    height:68px;
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo svg{flex:0 0 auto;}
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-text b{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
  .logo-text span{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.6px;}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:38px;padding:0 13px;border-radius:8px;
    font-size:15px;font-weight:500;color:var(--text);
  }
  .nav-link:hover{background:var(--cyan-soft);color:var(--primary);}
  .nav-link.is-active{color:var(--primary);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
    background:var(--primary);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:220px;height:40px;padding:0 12px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,90,120,.12);}
  .search-box svg{flex:0 0 auto;color:var(--muted);}
  .search-box input{
    width:100%;border:0;outline:none;background:transparent;
    font-size:14px;color:var(--ink);
  }
  .search-box input::placeholder{color:#9AA5B3;}
  .link-login{font-size:14.5px;font-weight:500;color:var(--text);padding:6px 4px;border-radius:6px;}
  .link-login:hover{color:var(--primary);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:var(--r-md);
    font-size:15px;font-weight:600;border:1px solid transparent;
    cursor:pointer;text-align:center;
    transition:transform .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{background:var(--amber);color:#231A0B;box-shadow:0 1px 2px rgba(16,42,67,.05);}
  .btn-primary:hover{background:var(--amber-dark);color:#231A0B;transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-solid{background:var(--primary);color:#fff;}
  .btn-solid:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-outline{background:#fff;color:var(--primary);border-color:var(--line);}
  .btn-outline:hover{background:var(--cyan-soft);color:var(--primary-dark);border-color:#CBD8E3;}
  .btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
  .btn-block{width:100%;}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);
    background:#fff;color:var(--ink);cursor:pointer;
  }
  .nav-toggle:hover{background:var(--cyan-soft);}
  .mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
  .mobile-panel.is-open{display:block;}
  .mobile-panel .nav-links{flex-direction:column;align-items:stretch;gap:4px;margin:0;}
  .mobile-panel .nav-link{height:44px;padding:0 14px;justify-content:flex-start;}
  .mobile-panel .nav-link.is-active::after{display:none;}
  .mobile-panel .search-box{width:100%;margin-top:12px;}

  /* ============ 页头带 ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background:var(--cyan-soft);
    border-bottom:1px solid var(--line);
    padding:34px 0 44px;
  }
  .page-hero::after{
    content:"";position:absolute;right:-40px;top:-30px;width:280px;height:280px;
    background:radial-gradient(circle at 50% 50%, rgba(47,143,109,.10), transparent 70%);
    pointer-events:none;
  }
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#B9C4D1;}
  .breadcrumb .current{color:#465166;font-weight:500;}
  .hero-title{
    margin-top:18px;
    font-size:clamp(30px,4.2vw,46px);
    line-height:1.18;font-weight:700;letter-spacing:-.2px;
    max-width:860px;
  }
  .hero-title .kw{color:var(--primary);}
  .hero-lead{margin-top:16px;max-width:760px;font-size:18px;line-height:1.8;color:#4B5566;}
  .anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .pill{
    display:inline-flex;align-items:center;height:32px;padding:0 16px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    font-size:13.5px;font-weight:600;color:var(--primary);
    transition:border-color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);
  }
  .pill:hover{background:var(--primary-soft);border-color:#CBD8E3;transform:translateY(-1px);color:var(--primary-dark);}

  /* ============ 板块 ============ */
  .section{padding:60px 0;}
  .section-tight{padding:44px 0 60px;}
  .section-head{max-width:720px;margin-bottom:28px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    height:26px;padding:0 12px;border-radius:999px;
    background:var(--bamboo-soft);color:var(--bamboo);
    font-size:12.5px;font-weight:600;
  }
  .section-title{margin-top:14px;font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
  .section-desc{margin-top:12px;font-size:16px;color:var(--muted);}

  .layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:28px;align-items:start;}

  /* 自查清单 */
  .check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .check-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E1EA;}
  .check-icon{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:10px;
    background:var(--bamboo-soft);color:var(--bamboo);
  }
  .check-num{
    float:right;font-size:13px;font-weight:700;color:#B4C0CD;
    font-variant-numeric:tabular-nums;letter-spacing:.5px;
  }
  .check-card h3{margin-top:16px;font-size:20px;font-weight:600;}
  .check-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);}

  .alert-bar{
    display:flex;gap:14px;align-items:flex-start;
    margin-top:24px;padding:18px 20px;
    background:var(--amber-soft);
    border-left:3px solid var(--amber);
    border-radius:12px;
  }
  .alert-bar .ico{flex:0 0 auto;color:var(--amber-dark);margin-top:3px;}
  .alert-bar strong{display:block;color:var(--warn-text);font-size:15.5px;font-weight:700;}
  .alert-bar p{margin-top:6px;font-size:14.5px;line-height:1.8;color:#6B4A28;}

  /* FAQ */
  .faq-block{margin-top:38px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:18px 6px;cursor:pointer;list-style:none;
    font-size:16px;font-weight:600;color:var(--ink);
    transition:background-color .22s var(--ease),padding .22s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--primary);}
  .faq-item .plus{
    flex:0 0 auto;position:relative;width:18px;height:18px;
    transition:transform .24s var(--ease);
  }
  .faq-item .plus::before,.faq-item .plus::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-item .plus::before{width:14px;height:2px;}
  .faq-item .plus::after{width:2px;height:14px;}
  .faq-item[open]{background:var(--cyan-soft);border-radius:12px;border-bottom-color:transparent;}
  .faq-item[open] summary{padding-left:16px;padding-right:16px;}
  .faq-item[open] .plus{transform:rotate(45deg);}
  .faq-answer{padding:0 16px 20px;font-size:15px;line-height:1.85;color:#4B5566;}

  /* 侧栏 */
  .side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
  .side-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);
  }
  .side-card h3{font-size:17px;font-weight:700;}
  .side-card > p{margin-top:8px;font-size:14px;color:var(--muted);}
  .mini-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
  .mini-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:#4B5566;}
  .mini-list .dot{
    flex:0 0 auto;margin-top:8px;width:6px;height:6px;border-radius:2px;background:var(--bamboo);
  }
  .side-cta{margin-top:18px;}

  /* 表单 */
  .form-panel{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:32px;box-shadow:var(--sh-1);
  }
  .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field-full{grid-column:1 / -1;}
  .field label{font-size:13px;font-weight:600;color:#465166;}
  .field label .req{color:var(--warn-text);margin-left:2px;}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--r-md);
    background:#fff;color:var(--ink);font-size:15px;
    padding:0 14px;height:44px;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .field textarea{height:130px;padding:12px 14px;line-height:1.75;resize:vertical;}
  .field input::placeholder,.field textarea::placeholder{color:#9AA5B3;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,90,120,.13);
  }
  .check-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;}
  .check-line input{
    width:18px;height:18px;margin-top:3px;flex:0 0 auto;
    accent-color:var(--primary);
  }
  .form-tip{margin-top:14px;font-size:12.5px;color:var(--muted);}
  .form-actions{margin-top:22px;}

  /* 相关阅读 */
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .related-card{
    display:flex;flex-direction:column;background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--cyan-soft);}
  .related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
  .related-card:hover .related-thumb img{transform:scale(1.03);}
  .related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .tag{
    display:inline-flex;align-items:center;align-self:flex-start;
    height:24px;padding:0 10px;border-radius:999px;
    background:var(--primary-soft);color:var(--primary);
    font-size:12.5px;font-weight:600;
  }
  .related-body h3{font-size:17px;line-height:1.5;font-weight:600;}
  .related-body p{font-size:14px;color:var(--muted);line-height:1.75;}
  .arrow-link{
    display:inline-flex;align-items:center;gap:6px;margin-top:auto;
    font-size:14px;font-weight:600;color:var(--primary);
  }
  .arrow-link svg{transition:transform .22s var(--ease);}
  .arrow-link:hover svg{transform:translateX(4px);}

  /* CTA */
  .cta-panel{
    position:relative;overflow:hidden;
    background:var(--footer);border-radius:var(--r-lg);
    padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:var(--sh-2);
  }
  .cta-panel::after{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
    background:radial-gradient(circle, rgba(240,169,60,.16), transparent 68%);
  }
  .cta-panel h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.35;}
  .cta-panel p{margin-top:10px;color:#B8C4D1;font-size:15px;max-width:520px;}
  .cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1;}
  .cta-actions .ghost{color:#DCE5EE;font-size:14.5px;font-weight:600;}
  .cta-actions .ghost:hover{color:#fff;}

  /* ============ footer ============ */
  .site-footer{background:var(--footer);color:#B8C4D1;margin-top:64px;}
  .site-footer .container{padding-top:56px;padding-bottom:22px;}
  .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-brand div{display:flex;flex-direction:column;line-height:1.2;}
  .footer-brand b{color:#fff;font-size:16px;font-weight:700;}
  .footer-brand span{color:#8FA0B2;font-size:11px;font-weight:600;letter-spacing:.6px;}
  .footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:#93A3B4;max-width:320px;}
  .footer-col h4{color:rgba(255,255,255,.8);font-size:14px;font-weight:600;margin-bottom:14px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col ul a{color:#A9B7C6;font-size:14px;}
  .footer-col ul a:hover{color:#fff;}
  .footer-note{font-size:13.5px;line-height:1.8;color:#8C9CAD;}
  .footer-bottom{
    margin-top:36px;padding-top:18px;
    border-top:1px solid rgba(255,255,255,.10);
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:12.5px;color:#8090A2;
  }
  .to-top{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:50%;
    border:1px solid rgba(255,255,255,.22);background:transparent;color:#C6D2DE;cursor:pointer;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .to-top:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.4);}

  /* ============ 固定转化条 ============ */
  .fixed-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:64px;background:rgba(255,255,255,.96);
    backdrop-filter:blur(6px);
    border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(16,42,67,.07);
  }
  .fixed-bar .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .fixed-bar .fb-title{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4;}
  .fixed-bar .fb-sub{font-size:12.5px;color:var(--muted);line-height:1.4;}
  .fixed-bar .fb-actions{display:flex;align-items:center;gap:10px;}

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .container{padding:0 32px;}
    .nav-links{display:none;}
    .search-box{display:none;}
    .link-login{display:none;}
    .nav-toggle{display:inline-flex;}
    .mobile-panel .search-box{display:flex;}
    .layout{grid-template-columns:minmax(0,1fr);gap:32px;}
    .side-sticky{position:static;}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:768px){
    body{padding-bottom:76px;}
    .container{padding:0 20px;}
    .header-inner{height:60px;gap:12px;}
    .logo-text b{font-size:15px;}
    .logo-text span{font-size:10px;letter-spacing:.4px;}
    .btn-sm{height:38px;padding:0 14px;font-size:14px;}
    .page-hero{padding:26px 0 34px;}
    .hero-title{font-size:clamp(28px,7vw,34px);}
    .hero-lead{font-size:16px;}
    .section{padding:44px 0;}
    .section-tight{padding:32px 0 44px;}
    .check-grid{grid-template-columns:minmax(0,1fr);}
    .check-card{padding:20px;}
    .form-panel{padding:22px;}
    .form-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
    .related-grid{grid-template-columns:minmax(0,1fr);}
    .cta-panel{flex-direction:column;align-items:flex-start;padding:28px;gap:20px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .site-footer .container{padding-top:40px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .fixed-bar{height:60px;}
    .fixed-bar .fb-sub{display:none;}
    .fixed-bar .btn{height:40px;padding:0 16px;font-size:14px;}
  }
  @media (max-width:520px){
    .hero-title{font-size:27px;}
    .anchor-pills{gap:8px;}
    .pill{height:30px;padding:0 13px;font-size:13px;}
    .btn{height:44px;padding:0 18px;font-size:14.5px;}
    .fixed-bar .fb-actions .btn-outline{display:none;}
    .faq-item summary{font-size:15px;padding:16px 4px;gap:12px;}
  }