/* roulang page: index */
:root{
  --bg-deep:#070A12;
  --bg-panel:#0C1220;
  --bg-elev:#121A2B;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --brand:#FF7A18;
  --brand-2:#FFC53D;
  --glow:#2DE2E6;
  --text-1:#F3F6FC;
  --text-2:#A9B4C8;
  --text-3:#6C7991;
  --ok:#3ED598;
  --warn:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 22px 48px -24px rgba(0,0,0,.85);
  --tr:.28s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-2);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -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% -4%,rgba(255,122,24,.08),transparent 62%),
    radial-gradient(900px 700px at 96% 88%,rgba(45,226,230,.06),transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),opacity var(--tr)}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;letter-spacing:-.4px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
::selection{background:rgba(255,122,24,.35);color:#fff}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:88px 0;position:relative;z-index:1}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:700}
.section-desc{font-size:14px;color:var(--text-3);margin-top:6px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--glow);white-space:nowrap}
.link-arrow:hover{color:var(--brand);transform:translateX(2px)}
.link-arrow svg{width:12px;height:12px}

/* 公告条 */
.announce{position:relative;z-index:60;background:#05070d;border-bottom:1px solid var(--line)}
.announce-inner{display:flex;align-items:center;gap:10px;height:36px;font-size:13px}
.announce-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(255,122,24,.9);flex:none}
.announce-text{flex:1;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.announce-close{background:none;border:0;color:var(--text-3);font-size:18px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:8px}
.announce-close:hover{color:var(--text-1)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:30%;right:30%;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(45,226,230,.7),transparent)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:18px;font-weight:800;color:#0A0E16;background-image:linear-gradient(135deg,#FF7A18,#FFC53D);box-shadow:0 0 22px rgba(255,122,24,.4)}
.logo-text strong{display:block;font-size:16px;font-weight:700;color:var(--text-1);line-height:1.25;letter-spacing:-.2px}
.logo-text em{display:block;font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{position:relative;padding:9px 12px;font-size:15px;color:var(--text-2);border-radius:10px}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.045)}
.nav-link.active{color:var(--text-1);text-shadow:0 0 12px rgba(45,226,230,.55)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);width:24px;height:2px;border-radius:2px;background-image:linear-gradient(90deg,#FF7A18,#2DE2E6)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
a.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--tr);white-space:nowrap;background-color:transparent}
a.btn-primary,button.btn-primary{background-image:linear-gradient(135deg,#FF7A18,#FFC53D);color:#0A0E16;font-weight:700;box-shadow:0 12px 26px -14px rgba(255,122,24,.9)}
a.btn-primary:hover,button.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(255,122,24,.45)}
a.btn-primary:active,button.btn-primary:active{transform:translateY(1px)}
a.btn-ghost,button.btn-ghost{background-color:var(--glass);border-color:var(--line);color:var(--text-1);backdrop-filter:blur(10px)}
a.btn-ghost:hover,button.btn-ghost:hover{border-color:var(--glow);box-shadow:0 0 18px rgba(45,226,230,.18)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
button.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);background-color:var(--glass);color:var(--text-2);cursor:pointer;transition:all var(--tr)}
button.icon-btn:hover{border-color:var(--glow);color:var(--text-1)}
button.icon-btn svg{width:17px;height:17px}
button.burger{display:none;width:40px;height:40px;place-items:center;border-radius:12px;border:1px solid var(--line);background-color:var(--glass);color:var(--text-1);cursor:pointer}
button.burger svg{width:18px;height:18px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;padding:20px;background:rgba(7,10,18,.97);backdrop-filter:blur(18px);transform:translateY(-100%);transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.drawer.open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav{flex:1;display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;font-size:18px;color:var(--text-1);min-height:56px;border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-2)}
.drawer-bottom{margin-top:auto}

/* Hero */
.hero{position:relative;z-index:1;padding:64px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.04em;color:var(--brand-2);border:1px solid rgba(255,122,24,.4);background:rgba(255,122,24,.08);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:40px;font-weight:800;line-height:1.22;letter-spacing:-.5px}
.hero-sub{font-size:17px;color:var(--text-2);margin-top:16px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.04em;padding:6px 12px;border-radius:999px;background-color:var(--glass);border:1px solid var(--line);color:var(--text-2)}
.tag-glow{border-color:rgba(45,226,230,.45);color:#BEF6F8}
.tag-brand{border-color:rgba(255,122,24,.5);color:var(--brand-2)}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px}
.phone{position:relative;width:clamp(240px,26vw,320px);aspect-ratio:9/16;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.14);background-color:var(--bg-elev);box-shadow:0 0 60px rgba(255,122,24,.18),0 30px 70px -30px rgba(0,0,0,.95)}
.phone img{width:100%;height:100%;object-fit:cover;opacity:.86}
.phone-bar{position:absolute;top:0;left:0;right:0;height:30px;display:flex;align-items:center;gap:6px;padding:0 14px;background:linear-gradient(180deg,rgba(7,10,18,.85),transparent);z-index:2}
.phone-bar span{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.35)}
.phone-mask{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 14px;background:linear-gradient(180deg,transparent,rgba(7,10,18,.92));z-index:2}
.phone-mask span{display:block;font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.float-card{position:absolute;padding:12px 14px;border-radius:14px;background-color:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);z-index:3}
.float-card b{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;color:var(--brand-2);line-height:1.2}
.float-card span{font-size:12px;color:var(--text-3)}
.float-a{left:0;top:16%}
.float-b{right:0;bottom:14%}

/* 横滑卡带 */
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 16px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.clip{position:relative;flex:0 0 auto;width:200px;aspect-ratio:9/16;border-radius:16px;overflow:hidden;border:1px solid var(--line);background-color:var(--bg-elev);scroll-snap-align:start;transition:all var(--tr)}
.clip:hover{transform:translateY(-4px) scale(1.03);border-color:rgba(255,122,24,.45);box-shadow:0 0 28px rgba(255,122,24,.22)}
.clip img{width:100%;height:100%;object-fit:cover;opacity:.88}
.clip::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.2),rgba(7,10,18,.88))}
.clip-time{position:absolute;top:10px;left:10px;z-index:2;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;padding:3px 9px;border-radius:999px;background-color:rgba(7,10,18,.6);border:1px solid rgba(255,122,24,.5);color:var(--brand-2)}
.clip-title{position:absolute;left:12px;right:12px;bottom:14px;z-index:2;font-size:13.5px;font-weight:600;line-height:1.45;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-play{position:absolute;right:10px;top:10px;z-index:2;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background-color:rgba(255,122,24,.18);border:1px solid rgba(255,122,24,.6);color:var(--brand-2);transition:box-shadow var(--tr)}
.clip-play svg{width:11px;height:11px}
.clip:hover .clip-play{box-shadow:0 0 18px rgba(255,122,24,.6)}
.rail-hint{font-size:12.5px;color:var(--text-3);margin-top:4px}

/* 编号清单 */
.checklist{max-width:920px;margin:0 auto}
.check-row{display:grid;grid-template-columns:56px 96px 1fr 30px;gap:18px;align-items:center;padding:20px 12px;border-bottom:1px solid var(--line);border-radius:12px;transition:all var(--tr)}
.check-row:hover{background-color:rgba(255,255,255,.03);transform:translateX(4px)}
.check-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;font-weight:700;color:rgba(255,122,24,.62);line-height:1}
.check-thumb{width:96px;height:68px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
.check-body h3{font-size:16px;font-weight:600;margin-bottom:5px}
.check-body p{font-size:14px;line-height:1.7;color:var(--text-2)}
.check-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.check-tags .tag{padding:3px 10px;font-size:11.5px}
.check-go{color:var(--text-3);display:grid;place-items:center}
.check-go svg{width:13px;height:13px}
.check-row:hover .check-go{color:var(--brand)}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}
.news-lead{display:block;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background-color:var(--glass);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);transition:all var(--tr)}
.news-lead:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.45);box-shadow:0 0 28px rgba(255,122,24,.22)}
.news-lead figure{margin:0;position:relative;aspect-ratio:16/9;background-color:var(--bg-elev)}
.news-lead figure img{width:100%;height:100%;object-fit:cover}
.news-lead .news-cat{position:absolute;left:12px;top:12px}
.news-lead-body{padding:20px 22px 24px}
.news-lead-body h3{font-size:19px;font-weight:700;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead-body p{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.news-cat{display:inline-flex;padding:4px 11px;border-radius:999px;font-size:11.5px;font-weight:600;letter-spacing:.04em;background-color:rgba(45,226,230,.1);border:1px solid rgba(45,226,230,.42);color:#BEF6F8;backdrop-filter:blur(8px)}
.news-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);background-color:var(--glass);backdrop-filter:blur(14px) saturate(140%);overflow:hidden}
.news-row{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line);transition:background var(--tr)}
.news-row:last-child{border-bottom:0}
.news-row:hover{background-color:rgba(255,255,255,.04)}
.news-row img{width:64px;height:64px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
.news-row h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .row-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.empty-state{display:grid;place-items:center;gap:14px;padding:56px 24px;border-radius:var(--r-lg);border:1px solid var(--line);background-color:var(--glass);backdrop-filter:blur(14px);text-align:center}
.empty-state svg{width:34px;height:34px;color:var(--text-3)}
.empty-state p{font-size:14.5px;color:var(--text-2)}

/* 口碑 */
.quotes{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 2px 16px;scrollbar-width:none}
.quotes::-webkit-scrollbar{display:none}
.quote{flex:0 0 280px;padding:18px;border-radius:16px;border:1px solid var(--line);background-color:var(--glass);backdrop-filter:blur(14px) saturate(140%);scroll-snap-align:start;transition:all var(--tr)}
.quote:hover{border-color:rgba(45,226,230,.4);transform:translateY(-3px)}
.quote-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;color:#0A0E16;background-image:linear-gradient(135deg,#FF7A18,#FFC53D)}
.quote-top b{font-size:14px;color:var(--text-1);font-weight:600}
.quote p{font-size:14px;line-height:1.7;color:var(--text-2);min-height:48px}
.stars{display:flex;gap:3px;margin-top:14px;color:var(--brand-2)}
.stars svg{width:13px;height:13px}

/* 转化带 */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background-image:linear-gradient(135deg,rgba(255,122,24,.13),rgba(45,226,230,.07));background-color:var(--bg-panel);padding:36px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;box-shadow:var(--shadow-card)}
.cta-band::before{content:"";position:absolute;top:26px;right:-70px;width:220px;height:2px;background-image:linear-gradient(90deg,transparent,rgba(45,226,230,.85),transparent);transform:rotate(-45deg);box-shadow:0 0 16px rgba(45,226,230,.6)}
.cta-band h2{font-size:26px;font-weight:700;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:560px}
.cta-band .hero-tags{margin-top:16px}
.cta-band-right{display:grid;gap:10px;justify-items:center}
.cta-note{font-size:12px;color:var(--text-3)}

/* FAQ */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{position:relative;width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 0 22px 18px;background-color:transparent;border:0;text-align:left;font-size:16.5px;font-weight:600;color:var(--text-1);cursor:pointer;line-height:1.6}
.faq-q::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background-color:var(--line);transition:background var(--tr)}
.faq-item.open .faq-q::before{background-image:linear-gradient(180deg,#FF7A18,#FFC53D)}
.faq-q svg{width:14px;height:14px;flex:none;margin-top:6px;color:var(--text-3);transition:transform var(--tr)}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--brand)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 24px 22px 18px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* 页脚 */
.site-footer{position:relative;z-index:1;margin-top:24px;background-color:var(--bg-panel);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:56px 0 36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.75;color:var(--text-3);max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-col h3{font-size:14px;color:var(--text-1);font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:2px}
.footer-col a{display:block;line-height:32px;font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:var(--text-3)}

/* 吸底条 */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background-color:rgba(12,18,32,.9);backdrop-filter:blur(16px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s ease}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .btn{flex:1}
.sticky-cta .btn-ghost{flex:0 0 96px}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-visual{min-height:380px;order:-1}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .nav-links{display:none}
  button.burger{display:grid}
  .nav-inner{height:60px;gap:12px}
  .nav-actions .btn{display:none}
  .hero{padding:36px 0 44px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-visual{min-height:0}
  .phone{width:200px}
  .float-card{padding:9px 11px}
  .float-card b{font-size:16px}
  .clip{width:156px}
  .check-row{grid-template-columns:34px 1fr;gap:14px;padding:18px 6px}
  .check-thumb{display:none}
  .check-go{display:none}
  .check-num{font-size:20px}
  .section-head h2{font-size:22px}
  .cta-band{grid-template-columns:1fr;padding:26px 22px;gap:20px}
  .cta-band h2{font-size:21px}
  .cta-band-right{justify-items:stretch}
  .cta-band-right .btn{width:100%}
  .sticky-cta{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .news-lead-body h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-deep:#070A12;
  --bg-panel:#0C1220;
  --bg-elev:#121A2B;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --brand:#FF7A18;
  --brand-2:#FFC53D;
  --glow:#2DE2E6;
  --text-1:#F3F6FC;
  --text-2:#A9B4C8;
  --text-3:#6C7991;
  --ok:#3ED598;
  --warn:#FF5C5C;
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-card:0 22px 48px -24px rgba(0,0,0,.85);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(1000px 620px at 6% -12%,rgba(255,122,24,.08),transparent 62%),
    radial-gradient(920px 620px at 102% 18%,rgba(45,226,230,.06),transparent 62%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--glow);text-decoration:none;transition:color var(--ease),transform var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
::selection{background:rgba(255,122,24,.35);color:#fff}
::-webkit-scrollbar{height:8px;width:8px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:rgba(255,122,24,.35);border-radius:999px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,10,18,.72);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent 30%,rgba(45,226,230,.7) 50%,transparent 70%);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text-1);flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#0A0D16;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 18px rgba(255,122,24,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:-.3px;color:var(--text-1)}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--text-1);text-shadow:0 0 12px rgba(45,226,230,.55)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--glow),var(--brand));
}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:var(--r-btn);border:1px solid transparent;
  white-space:nowrap;cursor:pointer;text-decoration:none;
  transition:filter var(--ease),box-shadow var(--ease),border-color var(--ease),transform var(--ease),color var(--ease);
}
.btn-primary{
  height:44px;padding:0 22px;color:#0A0D16;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 12px 28px -16px rgba(255,122,24,.95);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(255,122,24,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{height:44px;padding:0 22px;color:var(--text-1);background:transparent;border-color:var(--line)}
.btn-ghost:hover{border-color:var(--glow);box-shadow:0 0 18px rgba(45,226,230,.2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);display:grid;place-items:center;
  color:var(--text-2);border:1px solid var(--line);background:var(--glass);
  transition:color var(--ease),border-color var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--text-1);border-color:rgba(45,226,230,.55)}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);place-items:center;color:var(--text-1);background:var(--glass)}
.burger svg{width:20px;height:20px}
.drawer-cta{display:none}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg-panel);border-bottom:1px solid var(--line)}
.crumb-inner{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);min-width:0}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .cur{
  color:var(--text-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.back-entry{font-size:13px;color:var(--glow);display:inline-flex;align-items:center;gap:6px}
.back-entry:hover{color:var(--brand)}

/* ---------- 文章布局 ---------- */
.page-main{padding:44px 0 84px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.post-head{margin-bottom:26px}
.post-head .tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.tag-glow{border-color:rgba(45,226,230,.45);color:#BFF6F7}
.tag-brand{border-color:rgba(255,122,24,.5);color:#FFD5AE}
.post-title{
  font-size:32px;line-height:1.4;font-weight:800;letter-spacing:-.5px;
  color:var(--text-1);margin:16px 0 16px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
.post-meta .dot{color:rgba(255,255,255,.2)}
.post-rule{width:64px;height:3px;border-radius:3px;margin-top:20px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.hero-thumb{
  margin:24px 0 8px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:linear-gradient(135deg,rgba(255,122,24,.25),rgba(45,226,230,.18));
}
.hero-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92}
.thumb-caption{font-size:12px;color:var(--text-3);margin:0 0 28px}

/* ---------- 正文排版 ---------- */
.article-body{max-width:760px}
.article-body p{font-size:16.5px;line-height:1.9;margin:0 0 20px;color:var(--text-2)}
.article-body h2{
  position:relative;font-size:22px;line-height:1.5;font-weight:700;color:var(--text-1);
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{font-size:18px;line-height:1.55;font-weight:600;color:var(--text-1);margin:26px 0 12px}
.article-body ul{list-style:disc;margin:0 0 20px;padding-left:22px;line-height:1.85}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:24px;line-height:1.85}
.article-body li{margin-bottom:8px;color:var(--text-2)}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:0 0 22px;padding:16px 20px;font-size:15px;
  border-left:3px solid var(--glow);border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--glass);
}
.article-body img{border-radius:var(--r-sm);margin:6px 0 12px;width:100%;height:auto}
.article-body a{color:var(--glow);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--bg-elev);border:1px solid var(--line);
  padding:2px 7px;border-radius:6px;color:var(--brand-2);
}
.article-divider{
  display:flex;align-items:center;gap:14px;margin:38px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--text-3);
}
.article-divider::before,.article-divider::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,226,230,.55),transparent);
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
  padding:56px 24px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-card);
}
.empty-state svg{width:38px;height:38px;color:var(--glow)}
.empty-state p{margin:0;font-size:15px;color:var(--text-2)}
.empty-state .hint{font-size:13px;color:var(--text-3)}

/* ---------- 文末模块 ---------- */
.post-tail{margin-top:40px;max-width:760px}
.tail-label{font-size:13px;color:var(--text-3);margin:0 0 10px;letter-spacing:.04em}
.tail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.tail-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:34px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--glow);font-size:14px}
.text-link:hover{color:var(--brand);transform:translateX(2px)}
.text-link svg{width:12px;height:12px}
.related-title{font-size:18px;color:var(--text-1);margin:0 0 16px;display:flex;align-items:center;gap:10px}
.related-title::after{content:"";flex:1;height:1px;background:var(--line)}
.rel-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:center;
  padding:14px;border-radius:var(--r-lg);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.45);box-shadow:0 0 28px rgba(255,122,24,.22)}
.rel-card .cover{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,rgba(255,122,24,.3),rgba(45,226,230,.2))}
.rel-card .cover img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:17px;line-height:1.5;color:var(--text-1);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3)}
.rel-meta time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.rel-list{margin-top:14px;border-top:1px solid var(--line)}
.rel-row{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;align-items:center;
  padding:14px 4px;border-bottom:1px solid var(--line);
  transition:background var(--ease),transform var(--ease);
}
.rel-row:hover{background:rgba(255,255,255,.035);transform:translateX(3px)}
.rel-row img{width:64px;height:64px;border-radius:var(--r-btn);object-fit:cover}
.rel-row h4{font-size:15px;font-weight:600;color:var(--text-1);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-row .meta{font-size:12px;color:var(--text-3);display:flex;gap:10px;align-items:center}

/* ---------- 侧边栏 ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);
}
.side-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.side-head h3{font-size:15px;color:var(--text-1)}
.toc-toggle{font-size:12px;color:var(--glow);border:1px solid var(--line);border-radius:999px;padding:3px 10px;display:none}
.toc-toggle:hover{border-color:var(--glow)}
.toc{list-style:none}
.toc li{
  font-size:14px;color:var(--text-3);padding:9px 10px;border-radius:10px;
  border-left:2px solid transparent;line-height:1.5;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.toc li.on{color:var(--text-1);border-left-color:var(--brand);background:rgba(255,255,255,.045)}
.mini{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.mini:last-child{border-bottom:0;padding-bottom:2px}
.mini img{width:58px;height:58px;border-radius:var(--r-btn);object-fit:cover;flex:0 0 auto}
.mini h4{font-size:14px;line-height:1.5;color:var(--text-1);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini span{font-size:12px;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- 转化带 ---------- */
.cta-band{margin-top:64px;padding:0 20px}
.cta-inner{
  max-width:1200px;margin:0 auto;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:28px 32px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);
}
.cta-inner::after{
  content:"";position:absolute;top:-70px;right:-40px;width:220px;height:160px;
  background:linear-gradient(135deg,rgba(45,226,230,.35),transparent 70%);
  transform:rotate(-18deg);pointer-events:none;
}
.cta-inner h2{font-size:20px;line-height:1.5;color:var(--text-1);margin:0 0 6px}
.cta-inner p{margin:0;font-size:14px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-panel);border-top:1px solid var(--line);margin-top:80px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);margin:16px 0 16px;max-width:400px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h3{font-size:14px;color:var(--text-1);margin:0 0 14px;letter-spacing:.04em}
.footer-col ul{list-style:none}
.footer-col li{line-height:32px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:38px;padding:18px 0 22px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 移动吸底 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;
  align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(12,18,32,.92);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar span{font-size:13px;color:var(--text-2)}

@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:32px}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .toc-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .nav-inner{height:60px;gap:12px}
  .nav-links{
    position:fixed;top:0;left:0;right:0;z-index:45;
    height:100vh;margin:0;padding:84px 20px 110px;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(12,18,32,.97);backdrop-filter:blur(18px);
    transform:translateY(-100%);transition:transform .3s ease;overflow-y:auto;order:5;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-link{
    height:56px;padding:0 4px;font-size:18px;border-radius:0;
    border-bottom:1px solid var(--line);
  }
  .nav-link.active::after{display:none}
  .drawer-cta{display:inline-flex;margin-top:auto;width:100%;height:48px}
  .burger{display:grid}
  .nav-actions .btn-primary{display:none}
  .page-main{padding:32px 0 64px}
  .post-title{font-size:26px}
  .crumbs .cur{max-width:170px}
  .rel-card{grid-template-columns:1fr}
  .rel-card .cover{aspect-ratio:16/9}
  .side{flex-direction:column}
  .cta-inner{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
}
@media (max-width:520px){
  .post-title{font-size:23px}
  .container{padding:0 16px}
  .rel-row{grid-template-columns:52px minmax(0,1fr);}
  .rel-row img{width:52px;height:52px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg-deep:#070A12;--bg-panel:#0C1220;--bg-elev:#121A2B;
  --glass:rgba(255,255,255,.055);--line:rgba(255,255,255,.09);
  --brand:#FF7A18;--brand-2:#FFC53D;--glow:#2DE2E6;
  --text-1:#F3F6FC;--text-2:#A9B4C8;--text-3:#6C7991;
  --ok:#3ED598;--warn:#FF5C5C;
  --r-lg:18px;--r-md:14px;--r-sm:12px;
  --shadow:0 22px 48px -24px rgba(0,0,0,.85);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-deep);color:var(--text-2);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(720px 480px at 8% 0%,rgba(255,122,24,.08),transparent 70%),
    radial-gradient(680px 520px at 100% 92%,rgba(45,226,230,.06),transparent 70%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,100% 56px,56px 100%;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:30%;right:30%;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,226,230,.7),transparent);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#FF7A18,#FFC53D);color:#070A12;
  font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:0 0 22px rgba(255,122,24,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.3}
.logo-text strong{color:var(--text-1);font-size:15px;font-weight:800;letter-spacing:.2px}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .28s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:var(--text-1)}
.nav-link.active{color:var(--text-1);text-shadow:0 0 12px rgba(45,226,230,.55)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,#2DE2E6,#FF7A18);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text-2);display:grid;place-items:center;
  transition:.28s cubic-bezier(.2,.7,.3,1);
}
.icon-btn:hover{color:var(--text-1);border-color:rgba(45,226,230,.5)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--glass);color:var(--text-1);place-items:center}
.burger svg{width:20px;height:20px}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:all .28s cubic-bezier(.2,.7,.3,1);
}
.btn svg{width:16px;height:16px}
.btn-primary{
  background:linear-gradient(135deg,#FF7A18,#FFC53D);color:#070A12;font-weight:700;
  box-shadow:0 10px 26px -14px rgba(255,122,24,.9);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(255,122,24,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(45,226,230,.6);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 28px;font-size:15.5px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--glow);font-weight:600;
}
.link-more:hover{color:var(--brand);transform:translateX(2px)}
.link-more svg{width:12px;height:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.tag-glow{border-color:rgba(45,226,230,.45);color:#BFF7F8}
.tag-brand{border-color:rgba(255,122,24,.5);color:#FFD9B0}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg-panel);border-bottom:1px solid var(--line)}
.crumb-inner{height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--text-2)}
.crumb-back{font-size:13px;color:var(--text-3)}
.crumb-back:hover{color:var(--glow)}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:48px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(7,10,18,.35),rgba(7,10,18,.92));
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.5px}
.hero-sub{margin-top:14px;font-size:16px;color:var(--text-2)}
.hero-desc{margin-top:16px;font-size:15px;color:var(--text-3);max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-metrics{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
.hero-metrics div strong{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;color:var(--text-1);line-height:1.2}
.hero-metrics div span{font-size:12.5px;color:var(--text-3)}
.hero-visual{position:relative;width:clamp(200px,23vw,262px)}
.phone-frame{
  position:relative;aspect-ratio:9/16;border-radius:24px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);background:var(--bg-elev);
  box-shadow:0 0 60px rgba(255,122,24,.18),var(--shadow);
}
.phone-frame img{width:100%;height:100%;object-fit:cover}
.phone-frame .mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.6),rgba(7,10,18,.1) 42%,rgba(7,10,18,.94));
}
.phone-top{
  position:absolute;top:12px;left:14px;right:14px;z-index:2;
  display:flex;justify-content:space-between;font-size:11px;color:var(--text-2);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.phone-cap{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  font-size:12px;line-height:1.6;color:var(--text-1);
  background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:8px 10px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.float-card{
  position:absolute;z-index:3;padding:10px 12px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.float-card strong{display:block;font-size:15px;color:var(--text-1);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.float-card span{font-size:11px;color:var(--text-3)}
.float-card-a{top:16%;left:-76px}
.float-card-b{bottom:14%;right:-70px}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{
  background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.6vw,28px);font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-3)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}

/* ---------- 双列大卡 ---------- */
.duo-list{display:grid;gap:20px}
.duo-card{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:26px;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),border-color .28s,box-shadow .28s;
}
.duo-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.45);box-shadow:0 0 28px rgba(255,122,24,.22),var(--shadow)}
.duo-media{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(135deg,rgba(255,122,24,.28),rgba(45,226,230,.16))}
.duo-media img{width:100%;height:100%;object-fit:cover}
.duo-media .badge{
  position:absolute;top:10px;left:10px;padding:4px 10px;border-radius:999px;
  font-size:11px;font-weight:600;letter-spacing:.04em;color:#08101C;
  background:linear-gradient(135deg,#FF7A18,#FFC53D);
}
.duo-body h3{font-size:20px;font-weight:600}
.mini-list{margin-top:14px;display:grid;gap:9px}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.mini-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.duo-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px;flex-wrap:wrap}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 步骤条 ---------- */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;padding-top:40px}
.step::before{
  content:"";position:absolute;top:13px;left:34px;right:-16px;height:2px;
  background:rgba(255,255,255,.1);border-radius:2px;
}
.step:last-child::before{display:none}
.step-dot{
  position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;
  border:2px solid rgba(255,255,255,.18);background:var(--bg-deep);
  display:grid;place-items:center;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--text-3);
  transition:.28s;
}
.step.is-current .step-dot{
  border-color:var(--brand);color:#FFD9B0;
  box-shadow:0 0 18px rgba(255,122,24,.5);
}
.step.is-current::before{background:linear-gradient(90deg,rgba(255,122,24,.7),rgba(255,122,24,.12))}
.step h3{font-size:16px;font-weight:600}
.step p{margin-top:8px;font-size:13.5px;color:var(--text-3)}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;align-items:center;gap:12px;margin-top:28px;
  border:1px solid rgba(45,226,230,.35);background:rgba(45,226,230,.06);
  border-radius:var(--r-md);padding:14px 18px;font-size:14px;color:#CBF7F9;
}
.tip-bar svg{width:18px;height:18px;flex:none;color:var(--glow)}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.check-item{
  display:flex;gap:14px;padding:18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),border-color .28s;
}
.check-item:hover{transform:translateY(-2px);border-color:rgba(45,226,230,.4)}
.check-ico{
  width:36px;height:36px;flex:none;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,122,24,.55);color:var(--brand-2);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
}
.check-ico svg{width:18px;height:18px}
.check-item h3{font-size:16px;font-weight:600}
.check-item p{margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{
  border-bottom:1px solid var(--line);border-left:3px solid rgba(255,255,255,.08);
  padding-left:18px;transition:border-color .28s,background .28s;
}
.faq-item:hover{background:rgba(255,255,255,.02)}
.faq-item.open{border-left-color:var(--brand)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-ico{width:18px;height:18px;flex:none;color:var(--text-3);transition:transform .3s,color .3s}
.faq-item.open .faq-ico{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:840px}
.faq-item.open .faq-a{max-height:420px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:56px 0}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:30px 34px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-inner::after{
  content:"";position:absolute;top:0;right:0;width:200px;height:100%;pointer-events:none;
  background:linear-gradient(135deg,transparent,rgba(45,226,230,.2));
  clip-path:polygon(58% 0,100% 0,100% 100%,12% 100%);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,24px)}
.cta-inner p{margin-top:8px;font-size:14px;color:var(--text-3);max-width:540px}
.cta-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.cta-note{font-size:12px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-panel);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:380px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-col h3{font-size:14px;color:var(--text-1);letter-spacing:.04em;margin-bottom:10px}
.footer-col li{line-height:32px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:var(--text-3);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;
  background:rgba(7,10,18,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transform:translateY(-100%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px}
.drawer-nav{display:flex;flex-direction:column;flex:1;padding-top:8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;color:var(--text-1);border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand-2)}
.drawer-link svg{width:16px;height:16px;color:var(--text-3)}
.drawer-foot{padding-bottom:32px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{width:210px;margin:0 auto}
  .float-card{display:none}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .step-track{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .step:nth-child(2)::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .nav-links,.nav-actions .btn,.nav-actions .icon-btn{display:none}
  .burger{display:grid}
  .nav-inner{height:60px}
  .logo-mark{width:34px;height:34px;font-size:17px}
  .logo-text strong{font-size:13px}
  .logo-text em{font-size:10px}
  .page-hero{padding:32px 0 40px}
  .duo-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .check-grid{grid-template-columns:1fr}
  .step-track{grid-template-columns:1fr;row-gap:26px}
  .step::before{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{padding:22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-actions .btn,.cta-side .btn{width:100%}
  .faq-q{font-size:15px}
  .hero-metrics{gap:18px}
}

/* roulang page: category2 */
*,*::before,*::after{box-sizing:border-box;}

:root{
  --bg-deep:#070A12;
  --bg-panel:#0C1220;
  --bg-elev:#121A2B;
  --glass:rgba(255,255,255,0.055);
  --line:rgba(255,255,255,0.09);
  --brand:#FF7A18;
  --brand-2:#FFC53D;
  --glow:#2DE2E6;
  --text-1:#F3F6FC;
  --text-2:#A9B4C8;
  --text-3:#6C7991;
  --ok:#3ED598;
  --warn:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 22px 48px -24px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

html body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(900px 520px at 6% -4%, rgba(255,122,24,.08), transparent 62%),
    radial-gradient(780px 540px at 102% 26%, rgba(45,226,230,.06), transparent 64%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto,auto,46px 46px,46px 46px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

html h1,html h2,html h3,html h4{color:var(--text-1);font-weight:700;line-height:1.3;margin:0;letter-spacing:-.1px;}
html h1{font-size:40px;font-weight:800;letter-spacing:-.5px;}
html h2{font-size:28px;}
html h3{font-size:20px;font-weight:600;}
html p{margin:0;}
html ul,html ol{list-style:none;margin:0;padding:0;}
html a{color:inherit;text-decoration:none;}
html button,html input{font-family:inherit;font-size:inherit;color:inherit;}
html img{max-width:100%;display:block;}

a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:30%;right:30%;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,226,230,.7),transparent);
  pointer-events:none;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#070A12;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 18px rgba(255,122,24,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.2px;}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.08em;}

.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;transition:color .25s var(--ease);}
.nav-link:hover{color:var(--text-1);}
.nav-link.active{color:var(--text-1);text-shadow:0 0 12px rgba(45,226,230,.55);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:24px;height:2px;border-radius:2px;
  transform:translateX(-50%);
  background:linear-gradient(90deg,var(--brand),var(--glow));
}
.nav-cta-mobile{display:none;}

.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);cursor:pointer;
  transition:color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.icon-btn:hover{color:var(--text-1);border-color:rgba(45,226,230,.5);box-shadow:0 0 16px rgba(45,226,230,.18);}
.icon-btn svg{width:18px;height:18px;}
.burger{display:none;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:filter .28s var(--ease),box-shadow .28s var(--ease),transform .18s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#0A0E18;}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(255,122,24,.45);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn-ghost:hover{border-color:var(--glow);box-shadow:0 0 18px rgba(45,226,230,.18);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.tag-glow{border-color:rgba(45,226,230,.45);color:#BEF3F5;}
.tag-brand{border-color:rgba(255,122,24,.45);color:#FFD3AE;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-panel);border-bottom:1px solid var(--line);}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);min-width:0;}
.crumb a{transition:color .25s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb-sep{opacity:.5;}
.crumb-cur{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.crumb-back{font-size:13px;color:var(--text-3);transition:color .25s var(--ease);flex:none;}
.crumb-back:hover{color:var(--brand);}

/* ============ Hero ============ */
.hero-c2{
  position:relative;
  padding:66px 0 58px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg, rgba(7,10,18,.96) 0%, rgba(7,10,18,.88) 48%, rgba(7,10,18,.66) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.hero-c2-inner{max-width:860px;}
.hero-c2 h1{margin:18px 0 14px;font-size:40px;line-height:1.22;}
.hero-sub{font-size:16px;line-height:1.7;color:var(--text-2);max-width:640px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(45,226,230,.10);border:1px solid rgba(45,226,230,.38);color:#BEF3F5;
}

.search-form{
  display:flex;align-items:center;gap:10px;margin-top:26px;padding:8px;
  max-width:640px;border-radius:16px;
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.search-form:focus-within{border-color:rgba(45,226,230,.6);box-shadow:0 0 0 3px rgba(45,226,230,.18);}
.search-field{flex:1;display:flex;align-items:center;gap:10px;padding:0 8px;min-width:0;}
.search-field svg{width:18px;height:18px;color:var(--text-3);flex:none;}
.search-field input{
  flex:1;min-width:0;height:44px;border:0;background:transparent;
  color:var(--text-1);font-size:15px;outline:none;
}
.search-field input::placeholder{color:var(--text-3);}
.search-form .btn{flex:none;}

.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ============ 提示条 ============ */
.notice-section{padding-top:30px;}
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;padding:16px 20px;
  border-radius:var(--r-md);
  background:linear-gradient(90deg, rgba(45,226,230,.10), rgba(45,226,230,.015));
  border:1px solid rgba(45,226,230,.28);
  border-left:3px solid var(--glow);
}
.notice-icon{flex:none;width:22px;height:22px;color:var(--glow);margin-top:3px;}
.notice-icon svg{width:22px;height:22px;}
.notice-bar p{font-size:14.5px;line-height:1.8;color:var(--text-2);}
.notice-bar strong{color:var(--text-1);font-weight:600;}

/* ============ 板块 ============ */
.section{padding:72px 0 0;}
.section-head{margin-bottom:30px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand-2);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.section-head h2{margin-bottom:10px;}
.section-head p{font-size:15px;line-height:1.8;color:var(--text-3);}
.lead{font-size:15.5px;line-height:1.85;color:var(--text-2);margin-bottom:18px;}

/* ============ 异常条目 ============ */
.qa-grid{display:grid;grid-template-columns:1fr;column-gap:44px;}
.qa-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 4px;border-bottom:1px solid var(--line);
  transition:transform .28s var(--ease);
}
.qa-item:hover{transform:translateX(4px);}
.qa-item:hover .qa-body h3{color:var(--brand-2);}
.qa-item:hover .qa-arrow{color:var(--brand);transform:translateX(3px);}
.qa-badge{
  flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,122,24,.10);border:1px solid rgba(255,122,24,.45);color:var(--brand-2);
}
.qa-badge svg{width:18px;height:18px;}
.qa-body{min-width:0;}
.qa-body h3{font-size:16px;font-weight:600;transition:color .28s var(--ease);}
.qa-body p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--text-3);}
.qa-arrow{
  flex:none;margin-left:auto;color:var(--text-3);width:18px;height:18px;margin-top:9px;
  transition:color .28s var(--ease),transform .28s var(--ease);
}
.qa-arrow svg{width:18px;height:18px;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center;}
.split-media{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 0 0 1px rgba(255,255,255,.02), 0 22px 48px -24px rgba(0,0,0,.85);
  background:linear-gradient(135deg, rgba(255,122,24,.16), rgba(45,226,230,.10));
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.check-list{margin-top:6px;}
.check-list li{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:0;}
.check-num{
  flex:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:15px;font-weight:700;color:var(--brand);opacity:.9;line-height:1.6;
}
.check-list h3{font-size:15.5px;font-weight:600;color:var(--text-1);}
.check-list p{margin-top:5px;font-size:13.5px;line-height:1.7;color:var(--text-3);}

/* ============ 数据卡 ============ */
.kpi-card{
  padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.kpi-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.45);box-shadow:0 0 28px rgba(255,122,24,.22);}
.kpi-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:30px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.kpi-card h3{margin-top:14px;font-size:17px;font-weight:600;}
.kpi-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 0 20px 18px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-1);line-height:1.6;
  transition:color .25s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--line);transition:background .28s var(--ease);
}
.faq-item.open .faq-q::before{background:linear-gradient(180deg,var(--brand),var(--brand-2));}
.faq-q:hover{color:var(--brand-2);}
.faq-icon{flex:none;margin-left:auto;width:20px;height:20px;color:var(--text-3);transition:transform .28s var(--ease),color .28s var(--ease);}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);}
.faq-a p{padding:0 0 20px 18px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:820px;}

/* ============ CTA ============ */
.cta-section{padding-top:72px;}
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px;border-radius:20px;
  background:linear-gradient(120deg, rgba(255,122,24,.16), rgba(12,18,32,.92) 58%),var(--bg-panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;top:0;right:-40px;width:230px;height:2px;
  background:linear-gradient(90deg,transparent,rgba(45,226,230,.85));
  transform:rotate(-11deg);
}
.cta-copy{max-width:620px;}
.cta-copy h2{font-size:26px;margin-bottom:10px;}
.cta-copy p{font-size:15px;line-height:1.8;color:var(--text-2);}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-note{width:100%;font-size:12px;color:var(--text-3);letter-spacing:.02em;}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:var(--bg-panel);border-top:1px solid var(--line);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-3);max-width:380px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px;letter-spacing:.05em;}
.footer-col li{line-height:32px;}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .25s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-c2 h1{font-size:34px;}
  .nav-links{gap:20px;}
  .footer-grid{gap:32px;}
}

@media (max-width:768px){
  .nav-inner{height:60px;gap:12px;}
  .nav-actions .btn-sm{display:none;}
  .burger{display:grid;}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;z-index:55;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 26px;
    background:rgba(7,10,18,.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .25s var(--ease),opacity .25s var(--ease),visibility .25s;
  }
  .site-header.nav-open .nav-links{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-link{font-size:18px;line-height:56px;border-bottom:1px solid var(--line);padding:0;}
  .nav-link.active::after{display:none;}
  .nav-cta-mobile{display:inline-flex;margin-top:20px;width:100%;}

  .hero-c2{padding:46px 0 42px;}
  .hero-c2 h1{font-size:28px;line-height:1.32;}
  .hero-sub{font-size:15px;}
  .search-form{flex-wrap:wrap;padding:10px;gap:10px;}
  .search-field{width:100%;flex:1 1 100%;}
  .search-form .btn{width:100%;}

  .section{padding:48px 0 0;}
  .section-head h2{font-size:24px;}
  .split{grid-template-columns:minmax(0,1fr);gap:24px;}
  .split-body{order:2;}
  .split-media{order:1;}
  .faq-q{font-size:15.5px;}
  .cta-band{padding:26px 22px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{margin-top:56px;padding:44px 0 20px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .crumb-inner{height:auto;padding:10px 0;flex-wrap:wrap;gap:6px;}
}

@media (min-width:769px){
  .qa-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* roulang page: category3 */
:root{
  --bg-deep:#070A12;
  --bg-panel:#0C1220;
  --bg-elev:#121A2B;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --brand:#FF7A18;
  --brand-2:#FFC53D;
  --glow:#2DE2E6;
  --text-1:#F3F6FC;
  --text-2:#A9B4C8;
  --text-3:#6C7991;
  --ok:#3ED598;
  --warn:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 22px 48px -24px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(900px 600px at 6% -4%, rgba(255,122,24,.09), transparent 62%),
    radial-gradient(760px 560px at 96% 14%, rgba(45,226,230,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,52px 52px,52px 52px;
  background-attachment:fixed,fixed,scroll,scroll;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
html body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
::selection{background:rgba(255,122,24,.35);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#080C14}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(255,122,24,.55),rgba(45,226,230,.4));border-radius:999px;border:2px solid #080C14}
.container{width:100%;max-width:1200px!important;margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px}

/* 区块与标题 */
.section{padding:var(--sec-y) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{font-size:clamp(22px,2.7vw,30px);font-weight:700;letter-spacing:-.4px;color:var(--text-1);margin:0}
.sec-sub{font-size:14px;color:var(--text-3);margin:10px 0 0;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--glow);text-transform:uppercase}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-sm);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);white-space:nowrap;line-height:1}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#070A12;box-shadow:0 14px 30px -18px rgba(255,122,24,.95)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(255,122,24,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--glow);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--glow);transition:color .25s var(--ease),transform .25s var(--ease)}
.link-more svg{width:14px;height:14px}
.link-more:hover{color:var(--brand);transform:translateX(2px)}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;background:var(--glass);border:1px solid var(--line);color:var(--text-2)}
.tag-glow{border-color:rgba(45,226,230,.42);color:#CFF9FA}
.tag-brand{border-color:rgba(255,122,24,.45);color:#FFD8B4}

/* 玻璃卡 */
.glass{background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:30%;right:30%;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(45,226,230,.7),transparent);pointer-events:none}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;flex:none;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:17px;color:#070A12;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 18px rgba(255,122,24,.35)}
.logo-text{display:flex;flex-direction:column;line-height:1.18}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:-.2px;color:var(--text-1)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--text-2);transition:color .25s var(--ease)}
.nav-link:hover{color:var(--text-1)}
.nav-link.active{color:var(--text-1);text-shadow:0 0 12px rgba(45,226,230,.55)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:-4px;width:24px;height:2px;border-radius:2px;transform:translateX(-50%);background:linear-gradient(90deg,var(--brand),var(--glow))}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--glass);color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease)}
.icon-btn:hover{color:var(--text-1);border-color:rgba(45,226,230,.5)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--glass);color:var(--text-1);place-items:center;cursor:pointer}
.burger svg{width:20px;height:20px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;gap:8px;padding:22px 20px calc(22px + env(safe-area-inset-bottom));background:rgba(7,10,18,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transform:translateY(-102%);transition:transform .32s var(--ease);overflow-y:auto}
.drawer.open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:56px;font-size:18px;color:var(--text-2);border-bottom:1px solid var(--line);transition:color .25s var(--ease),padding-left .25s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--text-1)}
.drawer-nav a.active{text-shadow:0 0 14px rgba(45,226,230,.5)}
.drawer-nav a svg{width:16px;height:16px;color:var(--text-3)}
.drawer-cta{margin-top:auto;width:100%}

/* 面包屑 */
.breadbar{background:var(--bg-panel);border-bottom:1px solid var(--line)}
.crumbs{display:flex;align-items:center;gap:10px;height:48px;font-size:13px;color:var(--text-3);overflow:hidden}
.crumbs a{color:var(--text-3);transition:color .25s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.18)}
.crumbs .cur{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumb-back{margin-left:auto;color:var(--glow);font-size:13px;font-weight:600;white-space:nowrap}
.crumb-back:hover{color:var(--brand)!important}

/* Hero */
.hero-c3{position:relative;overflow:hidden;padding:66px 0 60px;border-bottom:1px solid var(--line)}
.hero-c3::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.26}
.hero-c3::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.72),rgba(7,10,18,.94) 62%,var(--bg-deep))}
.hero-c3-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.55fr .85fr;gap:46px;align-items:center}
.hero-title{font-size:clamp(29px,4.2vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.6px;margin:18px 0 14px;color:var(--text-1)}
.hero-sub{font-size:16px;color:var(--text-2);margin:0 0 14px}
.hero-text{font-size:15px;line-height:1.85;color:var(--text-3);margin:0 0 28px;max-width:580px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{padding:24px;display:grid;gap:16px}
.stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.stat:last-child{padding-bottom:0;border-bottom:0}
.stat-num{font-family:var(--mono);font-size:27px;font-weight:700;color:var(--brand-2);line-height:1}
.stat-label{font-size:13px;color:var(--text-3)}

/* 图文交替流 */
.zz-section{padding:60px 0}
.zz-alt{background:rgba(255,255,255,.022);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.zz{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.zz.reverse .zz-media{order:2}
.zz-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 0 40px rgba(255,122,24,.14),var(--shadow-card)}
.zz-media::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(45,226,230,.12);pointer-events:none}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.zz-media:hover img{transform:scale(1.03)}
.zz-media.r169 img{aspect-ratio:16/9}
.zz-media.r11 img{aspect-ratio:1/1}
.zz-title{font-size:clamp(20px,2.3vw,26px);line-height:1.35;font-weight:700;color:var(--text-1);margin:16px 0 14px;letter-spacing:-.3px}
.zz-body p{font-size:15px;line-height:1.85;color:var(--text-2);margin:0 0 14px}
.zz-list{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:11px}
.zz-list li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.7;color:var(--text-2)}
.zz-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2))}

/* 时间线 */
.timeline-wrap{overflow-x:auto;padding:26px 4px 10px;scroll-snap-type:x proximity}
.timeline{display:flex;min-width:860px;position:relative}
.tl-item{flex:1;position:relative;padding:0 12px;scroll-snap-align:start;text-align:center}
.tl-item::before{content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:var(--line)}
.tl-item:first-child::before{left:50%}
.tl-item:last-child::before{right:50%}
.tl-dot{position:relative;z-index:2;width:22px;height:22px;margin:0 auto;border-radius:50%;background:var(--bg-elev);border:1px solid var(--line);display:grid;place-items:center;transition:box-shadow .28s var(--ease),border-color .28s var(--ease)}
.tl-dot i{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:block}
.tl-item:hover .tl-dot{box-shadow:0 0 18px rgba(255,122,24,.6);border-color:rgba(255,122,24,.6)}
.tl-month{margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.04em}
.tl-label{margin-top:6px;font-size:14px;font-weight:600;color:var(--text-1)}
.tl-note{margin-top:6px;font-size:12.5px;line-height:1.65;color:var(--text-3)}

/* 提示条 */
.notebar{display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:var(--r-md);background:rgba(45,226,230,.07);border:1px solid rgba(45,226,230,.28);font-size:14.5px;color:var(--text-1)}
.notebar svg{width:20px;height:20px;flex:none;color:var(--glow)}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 32px;border-radius:var(--r-lg);background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border:1px solid var(--line);box-shadow:var(--shadow-card)}
.cta-band::after{content:"";position:absolute;top:-70px;right:-70px;width:210px;height:210px;background:linear-gradient(135deg,rgba(45,226,230,.55),transparent 68%);transform:rotate(45deg);opacity:.55;pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-title{font-size:clamp(20px,2.4vw,27px);font-weight:700;letter-spacing:-.3px;margin:0 0 10px;color:var(--text-1)}
.cta-text{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--bg-panel);border-top:1px solid var(--line);margin-top:24px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:44px;padding-bottom:42px}
.footer-brand .logo{margin-bottom:0}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);margin:18px 0;max-width:400px}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap}
.footer-col h3{font-size:14px;font-weight:700;color:var(--text-1);letter-spacing:.05em;margin:0 0 16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{line-height:32px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:18px 0 22px;font-size:12.5px;color:var(--text-3)}

/* 移动吸底 */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(12,18,32,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);transform:translateY(130%);transition:transform .25s var(--ease)}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar .btn{flex:1}
.mobile-bar .btn-ghost{flex:0 0 auto}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1024px){
  :root{--sec-y:64px}
  .hero-c3-inner{grid-template-columns:1fr;gap:34px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:18px}
  .stat{flex-direction:column;align-items:flex-start;gap:8px;border-bottom:0;padding-bottom:0}
  .zz{gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:960px){
  .nav-links,.nav-actions .btn{display:none}
  .burger{display:grid}
}
@media (max-width:768px){
  :root{--sec-y:48px}
  .nav-inner{height:60px}
  .hero-c3{padding:44px 0 42px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .stat{flex-direction:row;align-items:baseline;justify-content:space-between;padding-bottom:12px;border-bottom:1px dashed var(--line)}
  .stat:last-child{border-bottom:0;padding-bottom:0}
  .zz{grid-template-columns:1fr;gap:24px}
  .zz.reverse .zz-media{order:0}
  .zz-section{padding:44px 0}
  .site-footer{padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .crumbs .cur{max-width:140px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (min-width:769px){
  .mobile-bar{display:none!important}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *,.zz-media img{transition:none!important;animation:none!important}
}