/* roulang page: index */
:root{
  --ink-900:#070B14;--ink-800:#0C1322;--ink-700:#121B2E;
  --brand:#2FE0B8;--brand-600:#1FC0A0;--brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;--accent-a10:rgba(242,178,62,.10);
  --t1:#EAF0FA;--t2:#A9B7CC;--t3:#6C7C93;
  --line:rgba(140,170,210,.14);--line-strong:rgba(140,170,210,.28);
  --err:#FF7A6B;
  --r-card:18px;--r-img:14px;--r-btn:12px;--r-panel:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --shadow-card-hover:0 30px 60px -30px rgba(0,0,0,.9);
  --glow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink-900);color:var(--t2);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(140,170,210,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,210,.05) 1px,transparent 1px);
  background-size:24px 24px;opacity:.9;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 8% -6%,rgba(47,224,184,.08),transparent 62%),
    radial-gradient(760px 520px at 98% 92%,rgba(242,178,62,.06),transparent 60%);
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:clamp(64px,8vw,120px) 0;position:relative;z-index:1}
.section--tight{padding:clamp(48px,6vw,80px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand);background:var(--brand-a12);
  border:1px solid rgba(47,224,184,.28);border-radius:999px;padding:6px 14px;font-weight:600;
}
.lead{font-size:18px;line-height:1.8;color:var(--t2);max-width:64ch}
.muted{color:var(--t3);font-size:13px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,48px);flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3}
.section-head .sub{margin-top:10px;color:var(--t2);font-size:15px;max-width:62ch}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,color .18s ease-out;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--brand);color:#04120F;box-shadow:var(--glow)}
.btn-primary:hover{background:#3ae7c1;color:#04120F;transform:translateY(-1px);box-shadow:0 0 30px -6px rgba(47,224,184,.75)}
.btn-primary:active{transform:none;box-shadow:0 0 0 1px rgba(47,224,184,.45)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--t1);border-color:var(--brand);background:var(--brand-a12);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--brand)}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(4px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(7,11,20,0);border-bottom:1px solid var(--line);transition:background-color .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out}
.site-header.is-scrolled{background:rgba(7,11,20,.82);backdrop-filter:blur(12px) saturate(130%);-webkit-backdrop-filter:blur(12px) saturate(130%);box-shadow:0 14px 34px -22px #000}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;transition:height .25s ease-out}
.site-header.is-scrolled .nav-inner{height:56px}
.nav-left{display:flex;align-items:center;gap:24px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--t1)}
.brand svg{flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--t2);border-radius:8px}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);opacity:0;transform:scaleX(.4);transform-origin:left center;transition:opacity .2s ease-out,transform .2s ease-out}
.nav-links a:hover{color:var(--t1)}
.nav-links a:hover::after{opacity:1;transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(47,224,184,.7)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--line-strong);background:transparent;color:var(--t2);cursor:pointer;transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-a12)}
.nav-help{font-size:15px;color:var(--t2)}
.nav-help:hover{color:var(--t1)}
.nav-search{display:none;align-items:center;gap:8px}
.nav-search.is-open{display:flex}
.nav-search input{height:40px;width:200px;border-radius:var(--r-btn);border:1px solid var(--line);background:#0F1729;color:var(--t1);padding:0 14px;font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.nav-search input::placeholder{color:var(--t3)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,224,184,.18)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--line-strong);background:transparent;color:var(--t1);cursor:pointer}
.burger:hover{border-color:var(--brand);color:var(--brand)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:1200;background:rgba(7,11,20,.94);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);display:flex;flex-direction:column;padding:16px 20px 28px;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-nav{margin-top:16px;display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;color:var(--t1);font-size:16px;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a span.chev{color:var(--t3)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
body.no-scroll{overflow:hidden}

/* Hero */
.hero{position:relative;padding:calc(64px + 24px) 0 clamp(64px,8vw,110px)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.2;margin:18px 0 20px}
.hero-copy .lead{font-size:18px;line-height:1.8;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-trust li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t2)}
.hero-trust li svg{color:var(--brand);flex:0 0 auto}
.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;min-height:460px;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--ink-700)}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,11,20,.94) 0%,rgba(7,11,20,.55) 34%,rgba(7,11,20,.12) 72%,rgba(7,11,20,.35) 100%)}
.glass-float{position:absolute;left:24px;bottom:24px;z-index:2;display:flex;gap:24px;padding:18px 22px;border-radius:var(--r-panel);border:1px solid rgba(255,255,255,.08);background:#121B2E;background:rgba(18,27,46,.62);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:0 20px 40px -24px #000}
.glass-float .num{font-size:--;font-weight:700;color:var(--t1);font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums}
.glass-float .num span{font-size:14px;color:var(--brand);margin-left:2px}
.glass-float .lbl{font-size:12px;color:var(--t3);margin-top:6px;white-space:nowrap}
.glass-float .divider{width:1px;background:var(--line)}

/* 信任条 */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;position:relative;z-index:1}
.trust-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.trust-inner p{font-size:14px;color:var(--t3);margin:0;max-width:36ch}
.trust-marks{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.trust-marks span{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);color:var(--t3);font-size:13px;letter-spacing:.04em;background:rgba(18,27,46,.5)}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:flex;gap:20px;padding:22px 4px;border-bottom:1px solid var(--line);transition:background-color .2s ease-out}
.pain-item .idx{font-size:15px;font-weight:700;color:var(--t3);letter-spacing:.06em;padding-top:2px;transition:color .2s ease-out;font-variant-numeric:tabular-nums}
.pain-item:hover .idx{color:var(--accent)}
.pain-item h3{font-size:1.05rem;margin-bottom:6px}
.pain-item p{font-size:15px;color:var(--t2);margin:0}

/* 步骤 */
.steps{display:flex;flex-direction:column;gap:clamp(40px,5vw,64px)}
.step{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.step.reverse .step-media{order:2}
.step-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.step-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out,filter .35s ease-out}
.step-media:hover img{transform:scale(1.03);filter:brightness(1.05)}
.step-num{font-size:64px;line-height:1;font-weight:700;color:transparent;-webkit-text-stroke:1.5px rgba(47,224,184,.45);font-variant-numeric:tabular-nums;margin-bottom:12px}
.step-body h3{font-size:1.25rem;margin-bottom:12px}
.step-body p{font-size:15px;color:var(--t2)}

/* 成果卡 */
.result-card{position:relative;border-radius:var(--r-panel);border:1px solid rgba(255,255,255,.08);background:#121B2E;background:rgba(18,27,46,.55);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow-card);padding:clamp(24px,3.4vw,40px);display:grid;grid-template-columns:7fr 5fr;gap:40px;overflow:hidden}
.result-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:999px;background:var(--brand);box-shadow:0 0 22px rgba(47,224,184,.55)}
.result-stats{display:flex;gap:clamp(24px,4vw,56px);flex-wrap:wrap;padding-left:12px}
.stat .val{font-size:clamp(40px,5vw,64px);font-weight:700;color:var(--t1);line-height:1;font-variant-numeric:tabular-nums}
.stat .val em{font-style:normal;font-size:18px;color:var(--brand);margin-left:4px}
.stat .cap{margin-top:10px;font-size:14px;color:var(--t3);max-width:18ch}
.result-text h3{font-size:1.25rem;margin-bottom:12px}
.result-text p{font-size:15px}

/* 证言 */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{position:relative;border-radius:var(--r-card);border:1px solid rgba(255,255,255,.08);background:rgba(18,27,46,.55);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow-card);padding:24px;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.quote-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(47,224,184,.6),transparent)}
.quote-card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);box-shadow:var(--shadow-card-hover)}
.quote-mark{font-size:34px;line-height:1;color:var(--brand);opacity:.7;font-weight:700}
.quote-card blockquote{margin:12px 0 20px;font-size:15px;line-height:1.85;color:var(--t2)}
.quote-person{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,rgba(47,224,184,.35),rgba(242,178,62,.35));border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t1);font-size:14px;font-weight:700}
.quote-person .who{font-size:14px;color:var(--t1);font-weight:600}
.quote-person .role{font-size:12px;color:var(--t3)}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.news-card{position:relative;display:flex;flex-direction:column;border-radius:var(--r-card);border:1px solid rgba(255,255,255,.08);background:rgba(18,27,46,.55);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow-card);overflow:hidden;color:inherit;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.news-card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);box-shadow:var(--shadow-card-hover);color:inherit}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--ink-700);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out,filter .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03);filter:brightness(1.05)}
.news-badge{position:absolute;left:12px;top:12px;z-index:2;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;color:var(--brand);background:rgba(7,11,20,.6);border:1px solid rgba(47,224,184,.35);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);max-width:calc(100% - 24px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.news-body h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.news-body p{font-size:14px;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.news-date{font-size:13px;color:var(--t3)}
.news-foot svg{color:var(--brand)}
.news-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 20px;border-radius:var(--r-card);border:1px dashed var(--line-strong);background:rgba(18,27,46,.4);text-align:center}
.news-empty svg{color:var(--t3)}
.news-empty p{font-size:14px;color:var(--t2);margin:0}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-radius:14px;border:1px solid rgba(255,255,255,.08);background:rgba(18,27,46,.55);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);margin-bottom:12px;overflow:hidden;position:relative;transition:border-color .2s ease-out}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top center;transition:transform .22s ease-out}
.faq-item.is-open{border-color:rgba(47,224,184,.4)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:transparent;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;cursor:pointer}
.faq-q .plus{flex:0 0 auto;color:var(--brand);transition:transform .22s ease-out}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a .inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--t2)}

/* CTA */
.cta-panel{position:relative;border-radius:var(--r-panel);border:1px solid rgba(255,255,255,.08);background:#121B2E;background:rgba(18,27,46,.6);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow-card);padding:clamp(32px,5vw,64px) 24px;text-align:center;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(242,178,62,.16),transparent 68%);pointer-events:none}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.25rem);margin-bottom:14px}
.cta-panel p{max-width:56ch;margin:0 auto 28px;font-size:16px}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 0;position:relative;z-index:1;background:rgba(7,11,20,.6)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--t3);margin:16px 0 20px;max-width:32ch;line-height:1.8}
.socials{display:flex;gap:10px}
.socials span{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t3);transition:border-color .18s ease-out,color .18s ease-out}
.socials span:hover{border-color:var(--brand);color:var(--brand)}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t1);margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--t3)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:14px;color:var(--t3);margin:0 0 10px}
.footer-bottom{margin-top:clamp(32px,5vw,56px);border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:var(--t3);margin:0}
.footer-bottom .domain{color:var(--t3)}

/* 响应式 */
@media (min-width:1400px){.wrap{max-width:1280px}}
@media (max-width:1199px){
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col--contact{grid-column:1/-1}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-help{display:none}
  .nav-search{display:none!important}
  .burger{display:inline-flex}
  .nav-actions .btn{display:none}
  .hero{padding-top:calc(56px + 24px)}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{min-height:320px;max-height:360px}
  .glass-float{left:16px;bottom:16px;padding:14px 16px;gap:16px}
  .pain-grid{grid-template-columns:1fr;gap:28px}
  .step,.step.reverse{grid-template-columns:1fr;gap:24px}
  .step.reverse .step-media{order:0}
  .result-card{grid-template-columns:1fr;gap:28px}
  .quote-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col--contact{grid-column:auto}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .hero{padding-bottom:64px}
  .hero-copy h1{font-size:clamp(1.85rem,7vw,2.4rem)}
  .hero-copy .lead{font-size:16px}
  .news-grid{grid-template-columns:1fr}
  .news-body h3{min-height:auto}
  .trust-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575px){
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch;gap:14px}
  .cta-actions .btn{width:100%}
  .btn{width:100%}
  .nav-inner{height:56px}
  .stat .val{font-size:40px}
  body{font-size:15px}
}

/* roulang page: article */
:root{
  --ink-900:#070B14;
  --ink-800:#0C1322;
  --ink-700:#121B2E;
  --brand:#2FE0B8;
  --brand-600:#1FC0A0;
  --brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;
  --accent-a10:rgba(242,178,62,.10);
  --t1:#EAF0FA;
  --t2:#A9B7CC;
  --t3:#6C7C93;
  --line:rgba(140,170,210,.14);
  --line-strong:rgba(140,170,210,.28);
  --danger:#FF7A6B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-glass:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --shadow-lift:0 30px 60px -30px rgba(0,0,0,.9);
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:var(--brand);
  --bs-body-bg:var(--ink-900);
  --bs-body-color:var(--t2);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-600);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-btn);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background:var(--ink-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 520px at 8% -6%,rgba(47,224,184,.08),transparent 62%),
    radial-gradient(620px 480px at 96% 100%,rgba(242,178,62,.06),transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.04;
  background-image:linear-gradient(to right,rgba(180,205,235,.9) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(180,205,235,.9) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-600);}
p{margin:0 0 1em;}
h1,h2,h3,h4,h5{color:var(--t1);margin:0 0 .5em;font-weight:700;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#04120F;
  padding:10px 18px;border-radius:0 0 var(--r-btn) 0;z-index:99;font-weight:700;
}
.skip-link:focus{left:0;color:#04120F;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out,height .22s ease-out,box-shadow .22s ease-out,backdrop-filter .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.78);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
  transition:height .22s ease-out;
}
.site-header.is-scrolled .header-inner{height:56px;}
.header-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--t1);}
.brand svg{flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  color:var(--t2);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(47,224,184,.75);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .18s ease-out,transform .18s ease-out;
}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{opacity:.55;transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--t2);
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover,.icon-btn:focus-visible{border-color:var(--brand);color:var(--brand);background:var(--brand-a12);}
.ghost-link{
  color:var(--t2);
  font-size:15px;
  padding:6px 4px;
  border-radius:8px;
}
.ghost-link:hover{color:var(--t1);}
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--brand);
  color:#04120F;
  font-size:15px;
  font-weight:700;
  border:0;
  box-shadow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.btn-primary-glow:hover{
  color:#04120F;
  background:#3AE8C2;
  transform:translateY(-1px);
  box-shadow:0 0 30px -6px rgba(47,224,184,.75);
}
.btn-primary-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(47,224,184,.5);}
.btn-primary-glow:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.header-cta{height:42px;padding:0 18px;font-size:14px;}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--t1);
  align-items:center;justify-content:center;
}
.burger:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(7,11,20,.92);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  display:flex;
  flex-direction:column;
  padding:16px 20px 24px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;flex:0 0 auto;}
.drawer-list{margin-top:16px;flex:1 1 auto;overflow-y:auto;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;
  color:var(--t1);
  font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-list a.is-active{color:var(--brand);}
.drawer-list a span.arrow{color:var(--t3);}
.drawer-cta{margin-top:16px;flex:0 0 auto;}
.drawer-cta .btn-primary-glow{width:100%;}

/* ============ ARTICLE HEAD ============ */
.page-main{padding-top:64px;position:relative;z-index:1;}
.article-hero{
  position:relative;
  padding:clamp(40px,6vw,72px) 0 clamp(24px,3vw,36px);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(90deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.86) 48%,rgba(7,11,20,.62) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:0;
}
.article-hero .wrap{position:relative;z-index:1;}
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:13px;
  color:var(--t3);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-bottom:20px;
}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:rgba(108,124,147,.6);}
.crumbs .cur{color:var(--t2);overflow:hidden;text-overflow:ellipsis;max-width:52vw;}
.article-title{
  font-size:clamp(1.75rem,3.6vw,2.85rem);
  line-height:1.24;
  max-width:860px;
  margin-bottom:22px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--t3);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:rgba(108,124,147,.7);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--brand-a12);
  color:var(--brand);
  line-height:1.6;
}
.badge-accent{background:var(--accent-a10);color:var(--accent);}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-group .icon-btn{width:36px;height:36px;}

/* ============ ARTICLE LAYOUT ============ */
.article-section{padding:clamp(36px,5vw,64px) 0 clamp(56px,7vw,96px);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;max-width:760px;}
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--t2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  font-size:clamp(1.3rem,2.2vw,1.65rem);
  line-height:1.4;
  margin:2em 0 .8em;
  padding-left:16px;
  color:var(--t1);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.35em;
  width:3px;height:18px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(47,224,184,.6);
}
.article-body h3{
  font-size:1.2rem;
  margin:1.7em 0 .6em;
  color:var(--t1);
}
.article-body h4{font-size:1.02rem;margin:1.4em 0 .5em;color:var(--t1);}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--brand-600);}
.article-body strong{color:var(--t1);}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;padding-left:2px;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 22px;
  border-left:3px solid var(--line-strong);
  border-radius:0 var(--r-img) var(--r-img) 0;
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  color:var(--t1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--r-img);
  margin:1.4em 0 .6em;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--t3);
  text-align:center;
  line-height:1.7;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{background:var(--ink-700);color:var(--t1);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:14px;
  padding:64px 24px;
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
}
.empty-state svg{color:var(--t3);}
.empty-state p{margin:0;color:var(--t2);font-size:14px;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--t1);
  font-size:15px;
  font-weight:600;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.btn-outline-brand:hover{
  border-color:var(--brand);
  background:var(--brand-a12);
  color:var(--brand);
}

/* ============ SIDEBAR ============ */
.article-side{display:flex;flex-direction:column;gap:20px;}
.side-card{
  padding:20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{
  font-size:15px;
  margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);
}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;
  font-size:14px;
  color:var(--t2);
}
.side-list a:hover{color:var(--brand);}
.side-list .arrow{color:var(--t3);font-size:13px;}
.side-cta p{font-size:13.5px;color:var(--t2);line-height:1.75;margin-bottom:16px;}
.side-cta .btn-primary-glow{width:100%;height:44px;font-size:14px;}

/* ============ RELATED / CTA ============ */
.related-block{
  margin-top:clamp(36px,5vw,56px);
  padding-top:clamp(28px,4vw,40px);
  border-top:1px solid var(--line);
}
.block-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.block-head h2{font-size:clamp(1.25rem,2vw,1.5rem);margin:0;}
.block-head .more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.block-head .more:hover{gap:10px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.news-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  overflow:hidden;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.news-card:hover{
  transform:translateY(-2px);
  border-color:rgba(47,224,184,.4);
  box-shadow:var(--shadow-lift);
}
.cover-wrap{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--ink-700);
}
.cover-wrap img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease-out,filter .3s ease-out;
}
.news-card:hover .cover-wrap img{transform:scale(1.03);filter:brightness(1.05);}
.cover-badge{
  position:absolute;
  left:12px;top:12px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  background:rgba(7,11,20,.72);
  border:1px solid rgba(47,224,184,.32);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.news-body h3{
  font-size:15.5px;
  line-height:1.5;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--t2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
  padding-top:6px;
}
.news-foot .arrow{color:var(--brand);}
.news-card .stretch{position:absolute;inset:0;z-index:2;text-indent:-9999px;overflow:hidden;}

.inline-cta{
  margin-top:clamp(32px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:26px clamp(20px,4vw,34px);
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  position:relative;
  overflow:hidden;
}
.inline-cta::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,178,62,.16),transparent 68%);
  pointer-events:none;
}
.inline-cta h3{font-size:1.1rem;margin:0 0 6px;position:relative;z-index:1;}
.inline-cta p{font-size:14px;color:var(--t2);margin:0;position:relative;z-index:1;}
.inline-cta .btn-primary-glow{position:relative;z-index:1;}
.back-row{margin-top:28px;}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(48px,6vw,80px);
  border-top:1px solid var(--line);
  background:rgba(12,19,34,.72);
  padding:clamp(40px,5vw,64px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-col h4{
  font-size:14px;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li,
.footer-col ul li a{
  font-size:14px;
  color:var(--t2);
  line-height:1.7;
}
.footer-col ul li a:hover{color:var(--brand);}
.footer-brand p{
  font-size:13.5px;
  line-height:1.8;
  color:var(--t3);
  margin:14px 0 18px;
  max-width:34ch;
}
.socials{display:flex;gap:10px;}
.socials span{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--t3);
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.socials span:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-a12);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--t3);}

@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;}
}
@media (min-width:1400px){
  .wrap{max-width:1280px;}
}
@media (max-width:1199.98px){
  .article-side{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-links,.header-right .ghost-link,.header-right .icon-btn{display:none;}
  .burger{display:inline-flex;}
  .header-cta{display:none;}
  .header-left{gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .page-main{padding-top:64px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .share-group{display:none;}
  .crumbs .cur{max-width:60vw;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .inline-cta .btn-primary-glow{width:100%;}
  .article-body blockquote{padding:16px 18px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .btn-outline-brand{width:100%;}
  .article-title{font-size:1.6rem;}
}

/* roulang page: category1 */
:root{
  --ink-900:#070B14;
  --ink-800:#0C1322;
  --ink-700:#121B2E;
  --ink-600:#0F1729;
  --brand:#2FE0B8;
  --brand-600:#1FC0A0;
  --brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;
  --accent-a10:rgba(242,178,62,.10);
  --t1:#EAF0FA;
  --t2:#A9B7CC;
  --t3:#6C7C93;
  --line:rgba(140,170,210,.14);
  --line-strong:rgba(140,170,210,.28);
  --danger:#FF7A6B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:12px;
  --r-panel:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --shadow-glow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
:root{
  --bs-body-bg:#070B14;
  --bs-body-color:#A9B7CC;
  --bs-primary:#2FE0B8;
  --bs-primary-rgb:47,224,184;
  --bs-link-color:#2FE0B8;
  --bs-link-hover-color:#1FC0A0;
  --bs-border-color:rgba(140,170,210,.14);
  --bs-font-sans-serif:var(--font-sans);
  --bs-body-font-family:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% -8%, rgba(47,224,184,.09), transparent 62%),
    radial-gradient(760px 560px at 102% 104%, rgba(242,178,62,.07), transparent 62%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.05;
  background-image:
    linear-gradient(rgba(140,170,210,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,210,.7) 1px, transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{color:var(--t1);font-weight:700;letter-spacing:-0.01em;margin:0;}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;}
button{font-family:inherit;}
::selection{background:rgba(47,224,184,.28);color:#EAF0FA;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .wrap{padding:0 32px;} }
@media (min-width:1400px){ .wrap{max-width:1280px;} }

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -26px rgba(0,0,0,.95);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:56px;}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  text-decoration:none;
  white-space:nowrap;
}
.brand:hover{color:var(--t1);}
.brand svg{flex:none;}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--t2);
  text-decoration:none;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
  box-shadow:0 0 10px rgba(47,224,184,.7);
}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-right{display:flex;align-items:center;gap:14px;}
.link-help{
  font-size:14px;
  color:var(--t2);
  text-decoration:none;
  transition:color .18s ease;
}
.link-help:hover{color:var(--brand);}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--t2);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-a12);}
.menu-toggle{display:none;width:44px;height:44px;}

/* ---------- 按钮 ---------- */
.btn-glow,
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-glow{
  background:var(--brand);
  color:#04120F;
  box-shadow:var(--shadow-glow);
}
.btn-glow:hover{
  background:#3AE9C2;
  color:#04120F;
  transform:translateY(-1px);
  box-shadow:0 0 30px -6px rgba(47,224,184,.75);
}
.btn-glow:active{transform:none;box-shadow:var(--shadow-glow);}
.btn-line{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--t1);
}
.btn-line:hover{
  border-color:var(--brand);
  background:var(--brand-a12);
  color:var(--t1);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:700;
  font-size:14px;
  text-decoration:none;
}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 页面头 ---------- */
main{position:relative;z-index:1;}
.page-head{
  padding-top:calc(64px + 72px);
  padding-bottom:40px;
  position:relative;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:22px;
}
.crumbs a{color:var(--t3);text-decoration:none;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--t2);}
.page-head h1{
  font-size:clamp(2rem,4vw,2.9rem);
  line-height:1.22;
  max-width:900px;
  margin-bottom:18px;
}
.page-lead{
  max-width:760px;
  font-size:18px;
  line-height:1.8;
  color:var(--t2);
  margin-bottom:24px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  line-height:1.5;
  background:var(--brand-a12);
  color:var(--brand);
  border:1px solid rgba(47,224,184,.22);
}
.chip-accent{
  background:var(--accent-a10);
  color:var(--accent);
  border-color:rgba(242,178,62,.24);
}

/* ---------- 正文布局 ---------- */
.page-body{padding:8px 0 clamp(48px,6vw,88px);}
.article-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.toc{
  position:sticky;
  top:96px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  padding:20px;
  box-shadow:var(--shadow-card);
}
.toc h2{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--t3);
  font-weight:700;
  margin:0 0 14px;
}
.toc ul{list-style:none;margin:0;padding:0;display:grid;gap:4px;}
.toc a{
  display:block;
  padding:8px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--t2);
  text-decoration:none;
  border-left:2px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc a:hover{color:var(--t1);background:rgba(47,224,184,.08);}
.toc a.is-active{
  color:var(--brand);
  background:var(--brand-a12);
  border-left-color:var(--brand);
}
.toc-divider{height:1px;background:var(--line);margin:18px 0;}
.toc-cta{font-size:13px;line-height:1.7;color:var(--t3);margin-bottom:12px;}
.toc .btn-line{width:100%;height:42px;font-size:14px;}

.prose{max-width:760px;min-width:0;}
.prose h2{
  position:relative;
  font-size:clamp(1.35rem,2.2vw,1.7rem);
  line-height:1.4;
  margin:52px 0 16px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.prose h2:first-child{margin-top:0;}
.prose h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;bottom:.34em;
  width:3px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(47,224,184,.6);
}
.prose h3{
  font-size:1.1rem;
  margin:28px 0 10px;
  color:var(--t1);
}
.prose p{color:var(--t2);}
.prose ul,.prose ol{padding-left:22px;}
.prose li{margin-bottom:8px;color:var(--t2);}
.prose li::marker{color:var(--brand);}
.prose a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.prose a:hover{color:var(--brand-600);}
.prose figure{margin:28px 0;}
.prose figure img{
  width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.prose figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--t3);
  text-align:center;
}
.check-list{list-style:none;padding-left:0;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(47,224,184,.55);
}
.steps{
  list-style:none;
  counter-reset:step;
  padding:0;
  margin:26px 0;
  display:grid;
  gap:14px;
}
.steps li{
  counter-increment:step;
  position:relative;
  padding:20px 20px 20px 76px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  margin:0;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.steps li:hover{
  transform:translateY(-2px);
  border-color:rgba(47,224,184,.4);
  box-shadow:var(--shadow-card);
}
.steps li::before{
  content:"0" counter(step);
  position:absolute;
  left:20px;top:20px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.steps strong{display:block;color:var(--t1);font-size:16px;margin-bottom:4px;}
.steps span{font-size:14px;color:var(--t3);}
.note{
  margin:28px 0;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  background:rgba(242,178,62,.07);
}
.note h3{
  font-size:1rem;
  color:var(--accent);
  margin:0 0 8px;
}
.note p:last-child{margin-bottom:0;}
.split-two{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin:26px 0;
}
.mini-card{
  padding:20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);}
.mini-card h3{
  font-size:1rem;
  margin:0 0 8px;
  color:var(--t1);
}
.mini-card p{margin:0;font-size:14px;color:var(--t3);line-height:1.7;}

/* ---------- 适用场景 ---------- */
.section{padding:clamp(48px,6vw,88px) 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:12px;
}
.section-head p{color:var(--t2);margin:0;}
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.scene-card{
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{
  transform:translateY(-2px);
  border-color:rgba(47,224,184,.4);
  box-shadow:0 28px 52px -30px rgba(0,0,0,.9);
}
.scene-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--accent-a10);
  color:var(--accent);
  font-weight:700;
  font-size:14px;
  margin-bottom:16px;
}
.scene-card h3{font-size:1.05rem;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--t3);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(18,27,46,.55);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(47,224,184,.4);background:rgba(18,27,46,.72);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  color:var(--t1);
  font-size:17px;
  font-weight:700;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:none;
  font-size:22px;
  line-height:1;
  color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  border-left:3px solid transparent;
}
.faq-item[open] .faq-answer{border-left-color:var(--brand);margin-left:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid rgba(255,255,255,.08);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  padding:clamp(32px,5vw,56px);
  text-align:center;
  box-shadow:var(--shadow-card);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-100px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(242,178,62,.08), transparent 68%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:14px;
  position:relative;
  z-index:1;
}
.cta-panel p{
  max-width:620px;
  margin:0 auto 26px;
  color:var(--t2);
  position:relative;
  z-index:1;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:14px;
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(48px,6vw,88px);
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.6);
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:var(--t3);
  max-width:340px;
}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--t3);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.socials span:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-a12);}
.footer-col h4{
  font-size:14px;
  color:var(--t1);
  margin:0 0 16px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--t3);
  text-decoration:none;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand);}
.footer-col p{
  font-size:14px;
  color:var(--t3);
  line-height:1.8;
  margin:0 0 8px;
}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:1200;
  display:flex;
  flex-direction:column;
  padding:14px 20px 28px;
  background:rgba(7,11,20,.96);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none;}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  margin-bottom:12px;
}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--t1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-links{list-style:none;margin:0;padding:0;flex:1;overflow-y:auto;}
.drawer-links li{border-bottom:1px solid var(--line);}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  font-size:16px;
  color:var(--t2);
  text-decoration:none;
}
.drawer-links a.is-active{color:var(--brand);}
.drawer-links a::after{
  content:"›";
  font-size:20px;
  color:var(--t3);
}
.drawer-cta{margin-top:20px;width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:32px;}
  .nav-links{gap:20px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .link-help{display:none;}
  .nav-right .btn-glow{display:none;}
  .menu-toggle{display:inline-flex;}
  .page-head{padding-top:calc(56px + 64px);}
  .article-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .split-two{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .page-head h1{font-size:clamp(1.75rem,7vw,2.2rem);}
  .page-lead{font-size:16px;}
  .prose h2{margin-top:40px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps li{padding:18px 18px 18px 66px;}
  .steps li::before{left:16px;top:18px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .breadcrumbs{font-size:12px;}
}
@media (max-width:575px){
  .wrap{padding:0 20px;}
  .btn-glow,.btn-line{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .link-arrow{justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .scene-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#070B14;
  --ink-800:#0C1322;
  --ink-700:#121B2E;
  --ink-600:#0F1729;
  --brand:#2FE0B8;
  --brand-600:#1FC0A0;
  --brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;
  --accent-a10:rgba(242,178,62,.10);
  --t1:#EAF0FA;
  --t2:#A9B7CC;
  --t3:#6C7C93;
  --line:rgba(140,170,210,.14);
  --line-strong:rgba(140,170,210,.28);
  --danger:#FF7A6B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-glass:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --shadow-glow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
  --gap:clamp(64px,8vw,120px);
  --bs-primary:#2FE0B8;
  --bs-link-color:#2FE0B8;
  --bs-link-hover-color:#1FC0A0;
  --bs-body-bg:#070B14;
  --bs-body-color:#A9B7CC;
  --bs-border-color:rgba(140,170,210,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  text-align:left;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% -6%,rgba(47,224,184,.10),transparent 70%),
    radial-gradient(540px 400px at 94% 106%,rgba(242,178,62,.07),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(140,170,210,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,170,210,.055) 1px,transparent 1px);
  background-size:24px 24px;
}
h1,h2,h3,h4,h5{color:var(--t1);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-600)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1400px){.wrap{max-width:1280px}}
@media (max-width:767px){.wrap{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:rgba(7,11,20,.78);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
  border-bottom-color:rgba(140,170,210,.10);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;
}
.site-header.is-stuck .header-inner{height:56px;transition:height .2s ease}
.header-left{display:flex;align-items:center;gap:28px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:700;font-size:18px;letter-spacing:.01em}
.brand:hover{color:var(--t1)}
.brand svg{flex:none}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:block;padding:8px 12px;font-size:14.5px;color:var(--t2);
  border-radius:8px;transition:color .16s ease,background .16s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(47,224,184,.8);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;opacity:0;
}
.nav-links a:hover{color:var(--t1)}
.nav-links a:hover::after{transform:scaleX(1);opacity:1}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{transform:scaleX(1);opacity:1}
.header-right{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--t2);
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-a12)}
.link-help{font-size:14.5px;color:var(--t2);padding:6px 4px}
.link-help:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:var(--brand);color:#04120F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:#3CE9C3;transform:translateY(-1px);box-shadow:0 0 30px -6px rgba(47,224,184,.75),0 10px 26px -12px rgba(47,224,184,.6);color:#04120F}
.btn-primary:active{transform:none;box-shadow:var(--shadow-glow)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--t1);
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-a12);color:var(--t1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;color:var(--brand)}
.arrow-link svg{transition:transform .18s ease}
.arrow-link:hover svg{transform:translateX(4px)}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--t1);
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(7,11,20,.94);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.drawer.is-open{display:flex;flex-direction:column}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--t1)}
.drawer-nav{padding:8px 20px;flex:1;overflow:auto}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:52px;
  color:var(--t1);font-size:16px;border-bottom:1px solid rgba(140,170,210,.08);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a span{color:var(--t3)}
.drawer-foot{padding:16px 20px 28px}
.drawer-foot .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:calc(64px + 56px) 0 56px;
  border-bottom:1px solid var(--line);
}
.page-head .head-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-head::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(7,11,20,.96) 12%,rgba(7,11,20,.78) 52%,rgba(7,11,20,.92) 100%);
}
.page-head .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;overflow:hidden;white-space:nowrap}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(108,124,147,.6)}
.crumbs .cur{color:var(--t2);overflow:hidden;text-overflow:ellipsis}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.14em;
  background:var(--brand-a12);color:var(--brand);border:1px solid rgba(47,224,184,.24);
  margin-bottom:20px;
}
.page-head h1{font-size:clamp(2rem,4vw,3.05rem);line-height:1.2;max-width:820px}
.page-head .lead{margin-top:18px;font-size:18px;line-height:1.8;color:var(--t2);max-width:760px}
.head-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px}
.head-meta .m{display:flex;flex-direction:column;gap:2px}
.head-meta .m b{font-size:26px;color:var(--t1);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.head-meta .m span{font-size:13px;color:var(--t3)}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:13.5px;color:var(--t2);background:rgba(18,27,46,.6);
  border:1px solid var(--line);transition:all .16s ease;
}
.chip:hover{color:var(--t1);border-color:rgba(47,224,184,.45)}
.chip.is-on{color:var(--brand);border-color:rgba(47,224,184,.65);background:var(--brand-a12)}

/* ---------- sections ---------- */
.section{padding:var(--gap) 0}
.section-tight{padding:clamp(48px,5vw,72px) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3}
.sec-head p{margin-top:10px;color:var(--t2);max-width:640px;font-size:15.5px}

/* card grid */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.p-card{
  position:relative;background:rgba(18,27,46,.62);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.p-card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);box-shadow:0 30px 54px -30px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.08)}
.p-card-link{display:block;height:100%;color:inherit}
.p-card-link:hover{color:inherit}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.p-card:hover .thumb img{transform:scale(1.03);filter:brightness(1.05)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:var(--brand-a12);color:var(--brand);border:1px solid rgba(47,224,184,.28);
}
.badge-amber{background:var(--accent-a10);color:var(--accent);border-color:rgba(242,178,62,.3)}
.thumb .badge{
  position:absolute;left:14px;top:14px;
  background:rgba(7,11,20,.72);border-color:rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.p-body{padding:20px}
.p-body h3{font-size:1.2rem;line-height:1.4}
.p-body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid rgba(140,170,210,.1)}
.p-foot .t{font-size:13px;color:var(--t3)}
.p-foot .g{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand)}
.p-card:hover .p-foot .g svg{transform:translateX(4px)}
.p-foot .g svg{transition:transform .18s ease}

/* notice strip */
.notice{
  display:flex;gap:18px;align-items:flex-start;
  background:rgba(18,27,46,.55);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--r-card);padding:20px 22px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.notice .ico{flex:none;color:var(--accent);margin-top:2px}
.notice h3{font-size:1.05rem;margin-bottom:6px}
.notice p{font-size:14.5px;line-height:1.8;color:var(--t2)}

/* split explain */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.split-intro h2{font-size:clamp(1.5rem,2.6vw,2.15rem);line-height:1.3}
.split-intro p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--t2)}
.split-intro .btn{margin-top:26px}
.steps-list{border-top:1px solid var(--line)}
.step-item{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);transition:background .18s ease}
.step-item .num{
  font-size:15px;font-weight:700;color:rgba(47,224,184,.55);
  border:1px solid rgba(47,224,184,.28);border-radius:10px;height:36px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
  transition:color .18s ease,border-color .18s ease;
}
.step-item:hover .num{color:var(--accent);border-color:rgba(242,178,62,.45)}
.step-item h3{font-size:1.08rem}
.step-item p{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--t2)}

/* wide stat band */
.stat-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  background:rgba(18,27,46,.5);border:1px solid var(--line);border-radius:var(--r-glass);
  overflow:hidden;
}
.stat-band .cell{padding:28px 26px;border-right:1px solid var(--line)}
.stat-band .cell:last-child{border-right:0}
.stat-band b{display:block;font-size:clamp(1.9rem,3vw,2.6rem);line-height:1.15;color:var(--t1);font-weight:700;font-variant-numeric:tabular-nums}
.stat-band b em{font-style:normal;font-size:.5em;color:var(--brand);margin-left:6px;font-weight:700}
.stat-band span{display:block;margin-top:6px;font-size:13.5px;color:var(--t3)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:rgba(18,27,46,.55);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.faq-item.is-open{border-color:rgba(47,224,184,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;color:var(--t1);
  font-size:16px;font-weight:700;text-align:left;line-height:1.5;
}
.faq-q .plus{
  flex:none;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);transition:transform .2s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 20px;border-left:3px solid transparent}
.faq-item.is-open .faq-a{display:block;border-left-color:var(--brand);margin-left:0;padding-left:17px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--t2)}

/* CTA panel */
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(40px,6vw,72px) 32px;
  background:rgba(18,27,46,.58);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-glass);
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,178,62,.16),transparent 68%);pointer-events:none;
}
.cta-panel h2{font-size:clamp(1.5rem,2.8vw,2.2rem);line-height:1.3}
.cta-panel p{margin-top:14px;color:var(--t2);font-size:15.5px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--t2);padding:0 6px;height:48px}
.text-link:hover{color:var(--brand)}

/* footer */
.site-footer{border-top:1px solid var(--line);background:rgba(7,11,20,.86);padding:clamp(48px,6vw,72px) 0 0;margin-top:var(--gap)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t1);margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--t2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--t3);max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials span{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line);color:var(--t3);
}
.footer-contact li{font-size:14px;color:var(--t2);margin-bottom:12px;line-height:1.7}
.footer-contact li b{display:block;color:var(--t3);font-weight:400;font-size:12.5px;margin-bottom:2px}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--brand)}

@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-links,.link-help,.header-right .btn-sm,.icon-btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:56px}
  .page-head{padding-top:calc(56px + 40px)}
  .stat-band{grid-template-columns:1fr}
  .stat-band .cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-band .cell:last-child{border-bottom:0}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr}
  .p-body{padding:16px}
  .page-head h1{font-size:clamp(1.75rem,6vw,2.1rem)}
  .page-head .lead{font-size:16px}
  .head-meta{gap:20px}
  .sec-head{margin-bottom:28px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .step-item{grid-template-columns:44px 1fr;gap:14px}
}
@media (max-width:520px){
  body{font-size:15px}
  .filters{gap:8px}
  .chip{height:34px;padding:0 13px;font-size:13px}
  .thumb .badge{left:10px;top:10px}
}

/* roulang page: category3 */
:root{
  --ink-900:#070B14;
  --ink-800:#0C1322;
  --ink-700:#121B2E;
  --brand:#2FE0B8;
  --brand-600:#1FC0A0;
  --brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;
  --t1:#EAF0FA;
  --t2:#A9B7CC;
  --t3:#6C7C93;
  --line:rgba(140,170,210,.14);
  --danger:#FF7A6B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-glass:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --bs-primary:#2FE0B8;
  --bs-link-color:#2FE0B8;
  --bs-link-hover-color:#1FC0A0;
  --bs-body-color:#A9B7CC;
  --bs-body-bg:#070B14;
  --bs-border-color:rgba(140,170,210,.14);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background-color:var(--ink-900);
  background-image:
    repeating-linear-gradient(0deg,rgba(140,170,210,.032) 0 1px,transparent 1px 24px),
    repeating-linear-gradient(90deg,rgba(140,170,210,.032) 0 1px,transparent 1px 24px),
    radial-gradient(720px 440px at 6% -8%,rgba(47,224,184,.10),transparent 70%),
    radial-gradient(600px 460px at 98% 102%,rgba(242,178,62,.07),transparent 70%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-align:left;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
ul{list-style:none}
h1,h2,h3,h4{color:var(--t1);margin:0;letter-spacing:-.01em}
p{margin:0}
::selection{background:rgba(47,224,184,.28);color:#04120F}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media(min-width:1400px){.wrap{max-width:1280px}}
@media(max-width:767px){.wrap{padding:0 20px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -28px rgba(0,0,0,.95);
}
.header-inner{display:flex;align-items:center;gap:28px;height:64px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--t1);flex:none;transition:color .18s}
.brand:hover{color:var(--brand)}
.brand svg{flex:none}
.nav-main ul.nav-links{display:flex;align-items:center;gap:4px;margin:0;padding:0}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;
  color:var(--t2);border-radius:10px;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(47,224,184,.8);
  opacity:0;transform:scaleX(.35);transition:opacity .18s ease,transform .18s ease;
}
.nav-links a:hover{color:var(--t1)}
.nav-links a:hover::after{opacity:1;transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:transparent;color:var(--t2);
  cursor:pointer;transition:border-color .18s,color .18s,background .18s;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-a12)}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.nav-help{font-size:15px;color:var(--t2);padding:6px 4px;transition:color .18s}
.nav-help:hover{color:var(--brand)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--brand);color:#04120F;
  box-shadow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
}
.btn-primary:hover{
  background:#3CE8C2;color:#04120F;transform:translateY(-1px);
  box-shadow:0 0 30px -6px rgba(47,224,184,.75),0 0 0 1px rgba(47,224,184,.55);
}
.btn-primary:active{transform:none;box-shadow:0 0 0 1px rgba(47,224,184,.45),0 6px 16px -12px rgba(47,224,184,.6)}
.btn-ghost{
  background:transparent;color:var(--t1);border-color:rgba(140,170,210,.28);
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-a12);color:var(--t1)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.arrow-link svg{transition:transform .18s ease}
.arrow-link:hover svg{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--t1);place-items:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1200;display:none;flex-direction:column;
  padding:20px;background:rgba(7,11,20,.94);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;margin-bottom:8px}
.drawer-nav{margin:0;padding:0}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--line);color:var(--t1);font-size:16px;
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--t1);display:grid;place-items:center;cursor:pointer;
}

/* ===== 首屏 ===== */
.page-hero{position:relative;overflow:hidden;padding:calc(64px + 44px) 0 clamp(56px,7vw,96px);border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.62}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.97) 0%,rgba(7,11,20,.90) 42%,rgba(7,11,20,.66) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.breadcrumb-trail{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;margin-bottom:22px}
.breadcrumb-trail a{color:var(--t3);transition:color .18s}
.breadcrumb-trail a:hover{color:var(--brand)}
.breadcrumb-trail span.sep{color:rgba(140,170,210,.35)}
.breadcrumb-trail .current{color:var(--t2)}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-a12);border:1px solid rgba(47,224,184,.24);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.06em;
}
.badge-pill.accent{background:rgba(242,178,62,.10);border-color:rgba(242,178,62,.3);color:var(--accent)}
.page-hero h1{
  margin-top:20px;font-size:clamp(2rem,3.6vw,3rem);line-height:1.2;font-weight:700;color:var(--t1);
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--t2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t2)}
.trust-item svg{color:var(--brand);flex:none}

/* 玻璃面板 */
.glass{
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .glass{background:#121B2E}
}
.hero-card{padding:28px}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.hero-card-head h2{font-size:16px;font-weight:600;color:var(--t1);letter-spacing:0}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-box{
  padding:16px;border-radius:14px;background:rgba(7,11,20,.55);
  border:1px solid var(--line);
}
.stat-num{font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:700;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-num em{font-style:normal;font-size:.55em;color:var(--brand);margin-left:4px;font-weight:600}
.stat-label{margin-top:6px;font-size:13px;color:var(--t3)}
.mini-list{margin-top:20px;display:grid;gap:10px}
.mini-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);line-height:1.65}
.mini-list li svg{flex:none;margin-top:4px;color:var(--brand)}

/* ===== 通用板块 ===== */
.section{padding:clamp(56px,7vw,100px) 0}
.section-alt{background:linear-gradient(180deg,rgba(12,19,34,.82),rgba(12,19,34,.28));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--brand)}
.section-head h2{margin-top:12px;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3;font-weight:700}
.section-head p{margin-top:14px;font-size:16.5px;line-height:1.8;color:var(--t2)}

/* 风险要点：错位两栏 */
.risk-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,4vw,64px);align-items:start}
.risk-intro h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3}
.risk-intro p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--t2)}
.risk-intro .arrow-link{margin-top:24px}
.risk-list{display:grid}
.risk-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);transition:transform .2s ease;
}
.risk-item:first-child{padding-top:0}
.risk-num{font-size:14px;font-weight:700;color:var(--t3);font-variant-numeric:tabular-nums;letter-spacing:.04em;transition:color .2s ease}
.risk-item:hover .risk-num{color:var(--accent)}
.risk-item h3{font-size:1.05rem;font-weight:700;margin-bottom:6px;line-height:1.5}
.risk-item p{font-size:15px;line-height:1.75;color:var(--t2)}

/* 时间线 */
.timeline{position:relative;padding-left:36px;margin-top:8px;max-width:880px}
.timeline::before{
  content:"";position:absolute;left:10px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(47,224,184,.5),rgba(140,170,210,.14));
}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 6px rgba(47,224,184,.16),0 0 18px rgba(47,224,184,.55);
}
.tl-step{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent)}
.tl-item h3{margin:8px 0 8px;font-size:1.15rem;font-weight:700;line-height:1.5}
.tl-item p{font-size:15.5px;line-height:1.8;color:var(--t2);max-width:640px}
.tl-figure{margin-top:18px;max-width:440px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.tl-figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.tl-tip{
  margin-top:18px;padding:16px 18px;border-radius:14px;background:rgba(242,178,62,.07);
  border-left:4px solid var(--accent);font-size:14.5px;line-height:1.8;color:var(--t2);max-width:640px;
}
.tl-tip strong{color:var(--t1)}

/* 卡片网格 */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;padding:20px;border-radius:var(--r-card);
  background:rgba(18,27,46,.55);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .card{background:#121B2E}
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);box-shadow:0 30px 56px -32px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.08)}
.card-img{border-radius:var(--r-img);overflow:hidden;margin-bottom:16px;background:var(--ink-700)}
.card-img img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.card:hover .card-img img{transform:scale(1.03);filter:brightness(1.05)}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-a12);color:var(--brand);border:1px solid rgba(47,224,184,.22);
}
.card h3{margin:14px 0 8px;font-size:1.05rem;line-height:1.55;font-weight:700}
.card p{font-size:14.5px;line-height:1.75;color:var(--t2)}
.card .arrow-link{margin-top:16px;font-size:14px}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq-item{
  position:relative;margin-bottom:12px;border-radius:16px;overflow:hidden;
  background:rgba(18,27,46,.55);border:1px solid rgba(255,255,255,.08);
  transition:border-color .2s ease,background .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open{border-color:rgba(47,224,184,.35)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--t1);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}
.faq-q .faq-icon{
  flex:none;width:24px;height:24px;display:grid;place-items:center;color:var(--brand);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--t2)}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-glass);text-align:center;
  padding:clamp(36px,5vw,64px) clamp(24px,4vw,56px);
  background:rgba(18,27,46,.6);border:1px solid rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,178,62,.16),transparent 70%);pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.35}
.cta-panel p{margin:14px auto 0;max-width:600px;font-size:16px;line-height:1.8;color:var(--t2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-top:30px}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.8);
  padding:clamp(48px,6vw,80px) 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin:16px 0 20px;font-size:14px;line-height:1.8;color:var(--t3);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--t2);transition:color .18s}
.footer-col a:hover{color:var(--brand)}
.socials{display:flex;gap:10px}
.socials span{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--t3);transition:color .18s,border-color .18s;
}
.socials span:hover{color:var(--brand);border-color:rgba(47,224,184,.35)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);align-items:flex-start}
.footer-contact svg{flex:none;margin-top:4px;color:var(--brand)}
.footer-bottom{
  margin-top:clamp(32px,4vw,56px);border-top:1px solid var(--line);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--brand)}

/* ===== 响应式 ===== */
@media(max-width:1199px){
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-grid{gap:32px}
}
@media(max-width:991px){
  .nav-main{display:none}
  .nav-help{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:56px;gap:16px}
  .site-header.is-scrolled .header-inner{height:56px}
  .hero-grid{grid-template-columns:1fr}
  .page-hero{padding-top:calc(56px + 36px)}
  .risk-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  body{font-size:15px}
  .grid-cards{grid-template-columns:1fr}
  .page-hero h1{font-size:clamp(1.75rem,7vw,2.2rem)}
  .hero-actions .btn{width:100%}
  .hero-card{padding:20px}
  .stat-row{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .timeline{padding-left:28px}
  .tl-item::before{left:-24px}
  .timeline::before{left:6px}
  .nav-right .btn-sm{display:none}
}
@media(max-width:575px){
  .wrap{padding:0 20px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --ink-900:#070B14;
  --ink-800:#0C1322;
  --ink-700:#121B2E;
  --brand:#2FE0B8;
  --brand-600:#1FC0A0;
  --brand-a12:rgba(47,224,184,.12);
  --accent:#F2B23E;
  --accent-a10:rgba(242,178,62,.10);
  --t1:#EAF0FA;
  --t2:#A9B7CC;
  --t3:#6C7C93;
  --line:rgba(140,170,210,.14);
  --line-strong:rgba(140,170,210,.28);
  --danger:#FF7A6B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-panel:20px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.8);
  --bs-primary:#2FE0B8;
  --bs-link-color:#2FE0B8;
  --bs-link-hover-color:#1FC0A0;
  --bs-body-bg:#070B14;
  --bs-body-color:#A9B7CC;
  --bs-border-color:rgba(140,170,210,.14);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  background-color:var(--ink-900);
  color:var(--t2);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
  text-align:left;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(720px 520px at 8% 4%, rgba(47,224,184,.08), transparent 65%),
    radial-gradient(680px 520px at 96% 92%, rgba(242,178,62,.06), transparent 62%);
  opacity:.85;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(140,170,210,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(140,170,210,.05) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.5;
}
h1,h2,h3,h4,h5{color:var(--t1);margin:0 0 16px;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.2}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.4}
h4{font-size:1.05rem;line-height:1.4}
p{margin:0 0 16px}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-600);text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
::selection{background:rgba(47,224,184,.25);color:var(--t1)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:2}
@media (min-width:1400px){.wrap{max-width:1280px}}
@media (max-width:767px){.wrap{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid var(--line);
  transition:background .22s ease, box-shadow .22s ease, backdrop-filter .22s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(12px) saturate(120%);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.9);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .22s ease;
}
.site-header.is-scrolled .header-inner{height:56px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--t1)}
.brand svg{flex:0 0 auto}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--t2);
  border-radius:10px;
  transition:color .18s ease, background .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(47,224,184,.7);
  opacity:0;
  transition:opacity .18s ease;
}
.nav-links a:hover{color:var(--t1)}
.nav-links a:hover::after{opacity:1}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{opacity:1}
.header-left{display:flex;align-items:center;gap:32px;min-width:0}
.header-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  color:var(--t2);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--t1)}
.ghost-link{
  font-size:14px;
  color:var(--t2);
  padding:8px 6px;
}
.ghost-link:hover{color:var(--brand)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(47,224,184,.45),0 10px 26px -12px rgba(47,224,184,.6);
}
.btn-primary:hover{
  background:#3AE9C2;
  color:#04120F;
  transform:translateY(-1px);
  box-shadow:0 0 30px -6px rgba(47,224,184,.75),0 0 0 1px rgba(47,224,184,.5);
}
.btn-primary:active{transform:none;box-shadow:0 0 0 1px rgba(47,224,184,.5)}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--t1);
  border-color:var(--brand);
  background:var(--brand-a12);
  transform:translateY(-1px);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.header-cta{height:40px;padding:0 18px;font-size:14px}
.arrow-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.arrow-link svg{transition:transform .18s ease}
.arrow-link:hover svg{transform:translateX(4px)}
.burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  color:var(--t1);
  cursor:pointer;
}
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(7,11,20,.92);
  backdrop-filter:blur(16px) saturate(120%);
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:16px 20px 24px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-nav{flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  color:var(--t1);
  font-size:16px;
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a:hover{color:var(--brand)}
.drawer-foot{padding-top:16px}
.drawer-foot .btn{width:100%}
@media (max-width:991px){
  .nav-links,.header-right .ghost-link,.header-right .icon-btn,.header-right .header-cta{display:none}
  .burger{display:inline-flex}
  .header-left{gap:0}
}

/* ---------- shared blocks ---------- */
.section{padding:clamp(64px,8vw,120px) 0;position:relative}
.section-tight{padding:clamp(48px,6vw,80px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand);
  background:var(--brand-a12);
  border:1px solid rgba(47,224,184,.24);
  margin-bottom:20px;
}
.eyebrow-accent{
  color:var(--accent);
  background:var(--accent-a10);
  border-color:rgba(242,178,62,.28);
  letter-spacing:.06em;
  text-transform:none;
  font-size:13px;
}
.lead{font-size:18px;line-height:1.8;color:var(--t2)}
.muted{color:var(--t3);font-size:13px}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-a12);
}
.badge-pill.is-accent{color:var(--accent);background:var(--accent-a10)}
.glass{
  background:rgba(18,27,46,.55);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-panel);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
@supports not (backdrop-filter:blur(4px)){
  .glass{background:var(--ink-700)}
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:calc(64px + 32px) 0 clamp(40px,5vw,64px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
  z-index:0;
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.86) 46%,rgba(7,11,20,.62) 100%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);
  margin-bottom:20px;
}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(140,170,210,.4)}
.crumbs .current{color:var(--t2)}
.page-hero h1{max-width:880px;margin-bottom:20px}
.page-hero .lead{max-width:720px;margin-bottom:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts .badge-pill{background:rgba(18,27,46,.7);border:1px solid var(--line)}

/* ---------- layout for this page ---------- */
.safety-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.safety-visual{
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--ink-700);
  position:relative;
}
.safety-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.safety-visual .cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;
  background:linear-gradient(to top,rgba(7,11,20,.94),rgba(7,11,20,0));
  font-size:13px;color:var(--t2);
}
.check-list li{
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-index{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  font-size:13px;font-weight:700;
  color:var(--brand);
  background:var(--brand-a12);
  border:1px solid rgba(47,224,184,.22);
}
.check-list h4{margin-bottom:4px}
.check-list p{margin:0;font-size:15px;line-height:1.75}

/* ---------- stages / cards ---------- */
.card{
  background:rgba(18,27,46,.55);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
@supports not (backdrop-filter:blur(4px)){.card{background:var(--ink-700)}}
.card:hover{transform:translateY(-2px);border-color:rgba(47,224,184,.4);box-shadow:0 28px 54px -30px rgba(0,0,0,.9)}
.stage-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.stage-card .num{
  font-size:40px;font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(47,224,184,.55);
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.stage-card h3{margin-bottom:10px}
.stage-card p{font-size:15px;margin-bottom:12px}
.stage-card ul li{
  font-size:14px;color:var(--t2);
  padding-left:16px;position:relative;margin-bottom:6px;
}
.stage-card ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.8;
}

/* ---------- risk table-ish rows ---------- */
.risk-list{border-top:1px solid var(--line)}
.risk-row{
  display:grid;
  grid-template-columns:64px 1.1fr 1.4fr;
  gap:24px;
  align-items:start;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:border-color .2s ease;
}
.risk-row:hover{border-color:rgba(47,224,184,.4)}
.risk-row .idx{
  font-size:14px;font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.risk-row h4{margin-bottom:6px}
.risk-row p{margin:0;font-size:15px;line-height:1.75;color:var(--t2)}

/* ---------- notice panel ---------- */
.notice{
  position:relative;
  padding:24px 24px 24px 28px;
  border-radius:var(--r-card);
  background:rgba(18,27,46,.6);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
@supports not (backdrop-filter:blur(4px)){.notice{background:var(--ink-700)}}
.notice::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  border-radius:4px;background:var(--accent);
}
.notice h3{margin-bottom:10px}
.notice p{font-size:15px;margin-bottom:0}

/* ---------- data strip ---------- */
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.data-cell{
  background:rgba(12,19,34,.9);
  padding:24px 20px;
}
.data-cell .val{
  font-size:clamp(28px,3vw,40px);
  font-weight:700;color:var(--t1);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.data-cell .val span{font-size:15px;color:var(--brand);margin-left:4px;font-weight:600}
.data-cell p{margin:0;font-size:13px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:rgba(18,27,46,.55);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  position:relative;
  transition:border-color .2s ease;
}
@supports not (backdrop-filter:blur(4px)){.faq-item{background:var(--ink-700)}}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .22s ease;
}
.faq-item.is-open{border-color:rgba(47,224,184,.4)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  background:transparent;border:0;
  text-align:left;
  color:var(--t1);
  font-size:16px;font-weight:700;
  cursor:pointer;
}
.faq-q .plus{
  flex:0 0 auto;
  width:24px;height:24px;
  position:relative;
  transition:transform .22s ease;
  color:var(--brand);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:0;right:0;top:11px;height:2px}
.faq-q .plus::after{top:0;bottom:0;left:11px;width:2px;transition:opacity .22s ease}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;line-height:1.8;color:var(--t2);
}
.faq-a-inner p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  text-align:center;
  padding:clamp(40px,5vw,64px) 24px;
  border-radius:var(--r-panel);
  background:rgba(18,27,46,.62);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
@supports not (backdrop-filter:blur(4px)){.cta-panel{background:var(--ink-700)}}
.cta-panel::after{
  content:"";
  position:absolute;right:-80px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,178,62,.5),transparent 68%);
  opacity:.16;pointer-events:none;
}
.cta-panel h2{max-width:640px;margin:0 auto 14px}
.cta-panel p{max-width:560px;margin:0 auto 26px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.7);
  padding:56px 0 0;
  margin-top:clamp(48px,6vw,80px);
  position:relative;z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t3);max-width:320px;margin:14px 0 18px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--t3)}
.footer-col ul li a:hover{color:var(--brand)}
.socials{display:flex;gap:10px}
.socials span{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  color:var(--t3);
  transition:border-color .18s ease,color .18s ease;
}
.socials span:hover{border-color:var(--brand);color:var(--brand)}
.footer-contact p{font-size:14px;color:var(--t3);margin-bottom:8px}
.footer-contact strong{color:var(--t2);font-weight:600}
.footer-bottom{
  margin-top:40px;
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .stage-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .safety-layout{grid-template-columns:1fr;gap:32px}
  .stage-grid{grid-template-columns:1fr;gap:16px}
  .risk-row{grid-template-columns:48px 1fr;gap:8px 16px}
  .risk-row .desc{grid-column:1 / -1}
  .page-hero{padding:calc(56px + 28px) 0 40px}
}
@media (max-width:767px){
  body{font-size:15px}
  .lead{font-size:16px}
  .card{padding:16px}
  .data-grid{grid-template-columns:1fr 1fr}
  .data-cell{padding:18px 16px}
  .btn{width:100%}
  .header-cta,.btn-sm{width:auto}
  .cta-actions{flex-direction:column;align-items:stretch}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 16px}
}
@media (max-width:575px){
  .data-grid{grid-template-columns:1fr}
  .risk-row{grid-template-columns:1fr;gap:6px}
  .risk-row .idx{font-size:13px}
}