/* roulang page: index */
:root{
  --bg:#0A1120;
  --bg-footer:#070D19;
  --surface:#0F1830;
  --glass:rgba(19,32,58,.55);
  --primary:#2ED3A6;
  --primary-soft:rgba(46,211,166,.12);
  --accent:#FF7A45;
  --third:#7A8BFF;
  --text:#EAF1FF;
  --text-2:#93A3BF;
  --text-3:#6B7C99;
  --line:rgba(122,160,255,.16);
  --line-soft:rgba(122,160,255,.10);
  --radius-lg:20px;
  --radius:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow:0 18px 40px rgba(3,8,20,.45);
  --shadow-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --ease:180ms ease-out;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(122,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,160,255,.04) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(46,211,166,.32);color:#04140F}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{max-width:1280px}}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,17,32,.88);border-bottom:1px solid transparent;transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),backdrop-filter var(--ease)}
.site-header.is-scrolled{background:rgba(10,17,32,.76);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line-soft);box-shadow:0 8px 24px rgba(3,8,20,.42)}
@supports not ((backdrop-filter:blur(14px)) or (-webkit-backdrop-filter:blur(14px))){
  .site-header.is-scrolled{background:#0C1526}
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;position:relative}
.brand{display:inline-flex;align-items:baseline;gap:3px;font-size:19px;line-height:1;white-space:nowrap;transition:opacity var(--ease)}
.brand:hover{opacity:.86}
.brand-strong{font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-light{font-weight:400;color:var(--text-2);font-size:15px;letter-spacing:.06em}
.nav-chips{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-chip{padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;min-height:36px;display:inline-flex;align-items:center;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
.nav-chip:hover{color:var(--text);background:rgba(122,160,255,.08)}
.nav-chip.is-active{color:var(--primary);background:var(--primary-soft);border-color:rgba(46,211,166,.35)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);background:transparent;cursor:pointer;transition:border-color var(--ease),background-color var(--ease)}
.nav-toggle:hover{border-color:rgba(46,211,166,.45);background:rgba(46,211,166,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:transform var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),filter var(--ease)}
.btn-primary{background:var(--primary);color:#062018}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 10px 30px -8px rgba(46,211,166,.55);transform:translateY(-1px)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.28)}
.btn-ghost{background:transparent;border-color:rgba(122,160,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:rgba(46,211,166,.45);color:var(--primary)}
.btn-ghost:active{transform:none;box-shadow:inset 0 1px 4px rgba(0,0,0,.3)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);transition:color var(--ease)}
.text-link:hover{color:#5BE7C0;text-decoration:underline;text-underline-offset:4px}

/* hero */
.hero{position:relative;overflow:hidden;padding:84px 0 96px}
.hero::before{content:"";position:absolute;top:-220px;right:-140px;width:720px;height:720px;background:radial-gradient(circle,rgba(46,211,166,.16),transparent 62%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:1}
.hero-copy{grid-column:span 7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(46,211,166,.35);background:var(--primary-soft);color:var(--primary);font-size:13px;letter-spacing:.02em}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block}
.hero h1{margin-top:22px;font-size:clamp(30px,4vw,42px);line-height:1.25;letter-spacing:-.01em;font-weight:800}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:42px;padding-top:26px;border-top:1px solid var(--line-soft)}
.hero-stat strong{display:block;font-size:24px;line-height:1.2;color:var(--text);font-variant-numeric:tabular-nums}
.hero-stat span{font-size:13px;color:var(--text-3)}
.hero-visual{grid-column:span 5;position:relative;min-height:400px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#121C33 url(/assets/images/backpic/back-1.webp) center/cover no-repeat;box-shadow:var(--shadow),var(--shadow-hi)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,17,32,.12),rgba(10,17,32,.86))}
.hero-float{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:18px 20px;border-radius:var(--radius);background:rgba(19,32,58,.72);border:1px solid var(--line);box-shadow:var(--shadow);border-top-color:rgba(46,211,166,.6)}
.hero-float .kpi strong{display:block;font-size:24px;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums}
.hero-float .kpi span{font-size:12px;color:var(--text-2)}

/* section head */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,28px);line-height:1.35;letter-spacing:-.01em;font-weight:700}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:12px;letter-spacing:.08em}

/* claim */
.claim-lead{font-size:clamp(21px,2.6vw,26px);line-height:1.5;font-weight:700;max-width:760px;letter-spacing:-.01em}
.claim-lead em{font-style:normal;color:var(--primary)}
.claim-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:44px}
.claim-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow),var(--shadow-hi);transition:transform var(--ease),border-color var(--ease)}
.claim-card:hover{transform:translateY(-2px);border-color:rgba(46,211,166,.4)}
.claim-card h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px}
.claim-card h3 .idx{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.claim-card p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.8}
.claim-a{grid-column:span 5}
.claim-b{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.claim-b .claim-card:first-child{transform:translateY(16px)}
.claim-b .claim-card:first-child:hover{transform:translateY(14px)}

/* timeline story */
.story{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center}
.story-media{grid-column:span 5;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#121C33;box-shadow:var(--shadow)}
.story-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.story-body{grid-column:span 7}
.timeline{position:relative;margin-top:30px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(46,211,166,.6),rgba(122,160,255,.16))}
.timeline-item{position:relative;padding-bottom:26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-28px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(46,211,166,.12)}
.timeline-item h3{font-size:17px;font-weight:700}
.timeline-item h3 span{color:var(--primary);font-variant-numeric:tabular-nums;margin-right:10px;font-size:14px}
.timeline-item p{margin-top:6px;font-size:15px;color:var(--text-2);line-height:1.8}

/* featured */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.post-card{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow),var(--shadow-hi);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.post-card::after{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(46,211,166,.85),transparent);opacity:0;transition:opacity var(--ease);z-index:3}
.post-card:hover{transform:translateY(-2px);border-color:rgba(46,211,166,.4);box-shadow:0 24px 48px rgba(3,8,20,.5)}
.post-card:hover::after{opacity:1}
.post-card-link{display:flex;flex-direction:column;height:100%}
.post-thumb{position:relative;background:#121C33;overflow:hidden;aspect-ratio:16/9}
.post-thumb.mini{aspect-ratio:4/3}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1;letter-spacing:.02em}
.badge-cat{background:rgba(46,211,166,.14);color:var(--primary);border:1px solid rgba(46,211,166,.32)}
.badge-new{background:rgba(255,122,69,.14);color:var(--accent);border:1px solid rgba(255,122,69,.34)}
.badge-tag{background:transparent;color:var(--text-2);border:1px solid var(--line)}
.post-thumb .badge{position:absolute;left:14px;top:14px;z-index:2;backdrop-filter:blur(6px)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;line-height:1.55;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card.big .post-title{font-size:20px}
.post-excerpt{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.feature-big{grid-column:span 3}
.feature-small{grid-column:span 2}

/* trust */
.trust-strip{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.trust-logo{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:rgba(15,24,48,.5);font-size:14px;color:var(--text-3);filter:grayscale(1);opacity:.7;transition:filter var(--ease),opacity var(--ease),color var(--ease),border-color var(--ease)}
.trust-logo:hover{filter:grayscale(0);opacity:1;color:var(--text);border-color:rgba(46,211,166,.4)}
.trust-logo i{width:8px;height:8px;border-radius:50%;background:var(--third);display:block}
.trust-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:stretch}
.trust-facts{grid-column:span 7;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fact{padding:24px 20px;border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow-hi)}
.fact strong{display:block;font-size:28px;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums}
.fact span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.7}
.quote-card{grid-column:span 5;padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow),var(--shadow-hi);display:flex;flex-direction:column;justify-content:space-between;gap:20px}
.quote-card blockquote{font-size:16px;line-height:1.9;color:var(--text)}
.quote-card blockquote::before{content:"“";color:var(--primary);font-size:28px;line-height:0;margin-right:2px}
.quote-user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.quote-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,rgba(46,211,166,.5),rgba(122,139,255,.5));display:flex;align-items:center;justify-content:center;font-size:13px;color:#04140F;font-weight:700}

/* cms list */
.cms-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:64px 24px;border-radius:var(--radius-lg);border:1px dashed var(--line);background:rgba(15,24,48,.4);text-align:center}
.cms-empty svg{width:48px;height:48px;stroke:var(--text-3)}
.cms-empty p{font-size:15px;color:var(--text-2)}
.cms-empty .btn{margin-top:4px}

/* faq */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.faq-item{border-bottom:1px solid var(--line-soft);padding:0}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;cursor:pointer;list-style:none;font-size:16px;font-weight:500;transition:color var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--primary);transition:transform var(--ease);flex:none}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{padding-bottom:20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* cta */
.cta-card{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:44px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(135deg,rgba(19,32,58,.78),rgba(15,24,48,.55));box-shadow:var(--shadow),var(--shadow-hi);position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;top:-160px;left:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(46,211,166,.16),transparent 65%);pointer-events:none}
.cta-card h2{font-size:clamp(22px,2.8vw,28px);line-height:1.4;letter-spacing:-.01em}
.cta-card p{margin-top:14px;font-size:15px;color:var(--text-2);max-width:460px}
.cta-form{display:flex;gap:12px;position:relative;z-index:1}
.field{flex:1;min-height:48px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--line);background:rgba(10,17,32,.6);color:var(--text);transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease)}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,211,166,.18);background:rgba(10,17,32,.85)}
.form-note{grid-column:1/-1;font-size:12px;color:var(--text-3);line-height:1.7}
.form-msg{margin-top:12px;font-size:13px;color:var(--primary);min-height:18px}
.form-msg.is-error{color:var(--accent)}

/* footer */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line-soft);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:280px}
.footer-col h4{font-size:14px;color:var(--text);font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-contact p{font-size:14px;color:var(--text-3);line-height:1.9}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bar{border-top:1px solid var(--line-soft);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.footer-bar .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bar a:hover{color:var(--primary)}

/* responsive */
@media(max-width:1200px){
  .hero-copy{grid-column:span 7}
  .hero-visual{grid-column:span 5;min-height:360px}
}
@media(max-width:992px){
  .section{padding:72px 0}
  .hero{padding:64px 0 72px}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero-visual{min-height:300px;order:-1}
  .claim-a,.claim-b{grid-column:span 12}
  .claim-b{grid-template-columns:1fr 1fr}
  .claim-b .claim-card:first-child{transform:none}
  .claim-b .claim-card:first-child:hover{transform:translateY(-2px)}
  .story{grid-template-columns:1fr;gap:28px}
  .story-media,.story-body{grid-column:span 12}
  .feature-big{grid-column:span 3}
  .feature-small{grid-column:span 3}
  .trust-facts,.quote-card{grid-column:span 12}
  .cms-list{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .nav-wrap{height:60px;gap:12px}
  .nav-toggle{display:inline-flex;order:3}
  .nav-actions{order:2;margin-left:auto}
  .nav-chips{position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:#0C1526;border-bottom:1px solid var(--line-soft);padding:14px 24px 20px;display:none;box-shadow:0 18px 30px rgba(3,8,20,.5);margin-left:0}
  .site-header.nav-open .nav-chips{display:flex}
  .nav-chip{padding:12px 16px;border-radius:12px;min-height:44px;font-size:15px}
  .nav-actions .btn{display:none}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-stat strong{font-size:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .feature-big,.feature-small{grid-column:span 6}
  .cms-list{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .brand{font-size:17px}
  .brand-light{display:none}
  .claim-b{grid-template-columns:1fr}
  .trust-facts{grid-template-columns:1fr}
  .post-body{padding:16px}
  .hero-actions .btn{width:100%}
  .cta-card{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bar{font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .post-card:hover,.claim-card:hover,.btn-primary:hover{transform:none}
  .post-card:hover .post-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --bg:#0A1120;
  --bg-footer:#070D19;
  --surface:#0F1830;
  --glass:rgba(19,32,58,.55);
  --brand:#2ED3A6;
  --brand-soft:rgba(46,211,166,.12);
  --accent:#FF7A45;
  --third:#7A8BFF;
  --text:#EAF1FF;
  --text-2:#93A3BF;
  --text-3:#6B7C99;
  --line:rgba(122,160,255,.16);
  --divider:rgba(122,160,255,.10);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(3,8,20,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --ease:180ms ease-out;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(122,160,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,160,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(46,211,166,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#05231B;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;font-size:14px}
.skip-link:focus{left:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,17,32,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(10,17,32,.94);border-bottom-color:var(--line);box-shadow:0 12px 30px -20px rgba(0,0,0,.9)}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .site-header{background:#0A1120}
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;position:relative}
.brand{display:inline-flex;align-items:baseline;gap:1px;font-size:20px;letter-spacing:-.01em;white-space:nowrap}
.brand-strong{font-weight:800;color:var(--text)}
.brand-light{font-weight:400;color:var(--text-2)}
.brand:hover .brand-light{color:var(--brand)}
.nav-chips{display:flex;align-items:center;gap:8px;margin:0 auto;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-chip:hover{color:var(--text);background:rgba(122,160,255,.08)}
.nav-chip.is-active{color:var(--brand);background:var(--brand-soft);border-color:rgba(46,211,166,.35)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:transparent;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;transition:background-color var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--ease),top var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--brand);color:#05231B;border-color:var(--brand)}
.btn-primary:hover{background:#3AE0B4;transform:translateY(-1px);box-shadow:0 10px 30px -8px rgba(46,211,166,.55)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.28)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(122,160,255,.22)}
.btn-ghost:hover{border-color:rgba(46,211,166,.45);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.text-link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:28px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(122,160,255,.32)}
.breadcrumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:56px;justify-content:center;
  padding-top:8px;padding-bottom:96px;align-items:start;
}
.article-main{min-width:0}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;line-height:1;letter-spacing:.02em;
  border:1px solid var(--line);color:var(--text-2);
}
.chip-cat{background:var(--brand-soft);border-color:rgba(46,211,166,.32);color:var(--brand)}
.chip-new{background:rgba(255,122,69,.14);border-color:rgba(255,122,69,.4);color:#FFB094}
.article-title{
  font-size:clamp(28px,4vw,38px);line-height:1.35;letter-spacing:-.01em;
  font-weight:700;margin:18px 0 20px;color:var(--text);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:13px;color:var(--text-3)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.6}
.meta-dot{width:3px;height:3px;border-radius:50%;background:rgba(122,160,255,.4)}

.article-cover{
  margin:32px 0 8px;border-radius:18px;overflow:hidden;
  background:#121C33;aspect-ratio:16/9;position:relative;
  box-shadow:var(--shadow-card),var(--shadow-inset);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:auto 0 0 0;height:42%;background:linear-gradient(to top,rgba(7,13,25,.55),transparent);pointer-events:none}
.cover-note{font-size:13px;color:var(--text-3);margin:10px 0 0}

/* ---------- article body ---------- */
.article-body{
  margin-top:32px;font-size:17px;line-height:1.95;letter-spacing:.01em;color:var(--text-2);
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;color:var(--text);
  margin:2em 0 .75em;padding-left:15px;font-weight:700;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;
  border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.5;color:var(--text);margin:1.6em 0 .6em;font-weight:600}
.article-body h4{font-size:17px;color:var(--text);margin:1.4em 0 .5em;font-weight:600}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:#5BE6C3}
.article-body strong{color:var(--text);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;
  background:rgba(46,211,166,.75);
}
.article-body ol{list-style:decimal;padding-left:1.3em}
.article-body ol li{margin-bottom:.55em;padding-left:4px}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{
  margin:1.7em 0;padding:20px 24px;border-radius:12px;
  border-left:3px solid var(--brand);
  background:var(--glass);color:var(--text);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;color:var(--text-2)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--divider);text-align:left}
.article-body th{color:var(--text);font-weight:600;background:rgba(19,32,58,.6)}
.article-body code{background:rgba(122,160,255,.12);padding:2px 6px;border-radius:6px;font-size:.92em;color:#C9D6F5}
.article-body hr{border:0;height:1px;background:var(--divider);margin:2.2em 0}

/* empty state */
.cms-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 24px;border-radius:var(--r-md);
  border:1px dashed var(--line);background:rgba(19,32,58,.4);text-align:center;
}
.cms-empty svg{width:48px;height:48px;stroke:var(--text-3);fill:none;stroke-width:1.4}
.cms-empty p{font-size:15px;color:var(--text-2);margin:0}

/* ---------- article footer blocks ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:52px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);font-size:13px;color:var(--text-2);background:rgba(19,32,58,.4);
}
.tag:hover{color:var(--brand);border-color:rgba(46,211,166,.45);background:rgba(46,211,166,.08)}
.divider{height:1px;background:var(--divider);margin:36px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.section-head p{font-size:13px;color:var(--text-3);margin-top:6px}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-card),var(--shadow-inset);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.post-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,211,166,.55),transparent);
  opacity:0;transition:opacity var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(122,160,255,.34);box-shadow:0 22px 46px rgba(3,8,20,.55),var(--shadow-inset)}
.post-card:hover::before{opacity:1}
.post-card .thumb{position:relative;aspect-ratio:4/3;background:#121C33;overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .thumb .chip{position:absolute;left:12px;top:12px;background:rgba(10,17,32,.82);border-color:rgba(46,211,166,.3);color:var(--brand)}
.post-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card h3{font-size:15px;line-height:1.6;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:13px;line-height:1.75;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.post-card .overlay-link{position:absolute;inset:0;z-index:2}

.nav-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.pager-item{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  border-radius:var(--r-md);border:1px solid var(--line);background:rgba(19,32,58,.4);
  transition:border-color var(--ease),background-color var(--ease),transform var(--ease);
}
.pager-item:hover{border-color:rgba(46,211,166,.4);background:rgba(46,211,166,.06);transform:translateY(-2px)}
.pager-item .label{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.pager-item .title{font-size:14px;color:var(--text);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager-item.next{text-align:right;align-items:flex-end}

.back-row{margin-top:28px}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:grid;gap:20px}
.aside-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--shadow-card),var(--shadow-inset);
}
.aside-card h3{font-size:14px;font-weight:600;color:var(--text);letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.aside-list li+li{border-top:1px solid var(--divider)}
.aside-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;font-size:14px;color:var(--text-2)}
.aside-list a:hover{color:var(--brand)}
.aside-list .idx{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.aside-list .rank-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
.aside-sub p{font-size:13px;color:var(--text-3);line-height:1.75;margin-bottom:14px}
.sub-form{display:flex;flex-direction:column;gap:10px}
.input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(15,24,48,.75);
  color:var(--text);font-size:14px;font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.input::placeholder{color:var(--text-3)}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,211,166,.18)}
.form-hint{font-size:12px;color:var(--text-3);line-height:1.7}
.form-msg{display:none;font-size:13px;color:var(--brand);line-height:1.6}
.form-msg.is-show{display:block}

/* ---------- bottom cta ---------- */
.cta-band{
  margin:0 auto 96px;max-width:1200px;padding:0 24px;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:32px 36px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(46,211,166,.10),rgba(19,32,58,.72) 46%,rgba(122,139,255,.10));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),var(--shadow-inset);
}
.cta-inner h2{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.cta-inner p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-shrink:0}
@media (min-width:1440px){.cta-band{max-width:1280px}}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand .brand{font-size:19px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:var(--text-3);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand)}
.footer-contact p{font-size:13.5px;color:var(--text-3);line-height:1.9;margin-bottom:8px}
.footer-contact strong{color:var(--text-2);font-weight:500}
.footer-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid var(--divider);
  font-size:12.5px;color:var(--text-3);
}
.footer-bar .links{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.footer-bar .links a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);gap:0}
  .article-aside{display:none}
}
@media (max-width:991px){
  .nav-chips{gap:6px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 36px}
}
@media (max-width:900px){
  .nav-wrap{height:60px;gap:14px}
  .nav-toggle{display:inline-flex}
  .nav-chips{
    position:absolute;left:-24px;right:-24px;top:60px;
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:14px 24px 18px;
    background:rgba(9,15,28,.98);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-chips.is-open{display:flex}
  .nav-chip{height:44px;justify-content:flex-start;font-size:15px}
  .nav-actions .btn-sm{display:none}
  .article-layout{padding-bottom:64px}
}
@media (max-width:768px){
  body{font-size:16px}
  .article-title{font-size:26px;line-height:1.42}
  .article-body{font-size:16px;line-height:1.85;margin-top:26px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .nav-pager{grid-template-columns:1fr}
  .pager-item.next{text-align:left;align-items:flex-start}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .crumb-bar{padding-top:20px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-chips{left:-18px;right:-18px;padding-left:18px;padding-right:18px}
  .article-cover{border-radius:14px}
  .cta-band{padding:0 18px;margin-bottom:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bar{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .post-card:hover,.pager-item:hover,.btn-primary:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#0A1120;
  --bg-footer:#070D19;
  --surface:#0F1830;
  --glass:rgba(19,32,58,.55);
  --primary:#2ED3A6;
  --primary-deep:#1FAF88;
  --accent:#FF7A45;
  --violet:#7A8BFF;
  --text:#EAF1FF;
  --text-2:#93A3BF;
  --text-3:#6B7C99;
  --line:rgba(122,160,255,.16);
  --line-soft:rgba(122,160,255,.10);
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-card:0 18px 40px rgba(3,8,20,.45);
  --shadow-soft:0 10px 24px rgba(3,8,20,.28);
  --container:1200px;
  --ease:ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(122,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,160,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.15em}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.25}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0}
input{font:inherit}
:where(a,button,input,summary):focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:10px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#06231B}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 30px -8px rgba(46,211,166,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(3,8,20,.35)}
.btn-ghost{background:transparent;border-color:rgba(122,160,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:rgba(46,211,166,.45);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.text-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .18s var(--ease),text-underline-offset .18s var(--ease)}
.text-link:hover{color:#5BE6C2;text-decoration:underline;text-underline-offset:4px}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-primary{background:rgba(46,211,166,.14);color:var(--primary);border:1px solid rgba(46,211,166,.32)}
.badge-new{background:rgba(255,122,69,.16);color:var(--accent);border:1px solid rgba(255,122,69,.34)}
.badge-line{background:rgba(122,139,255,.10);color:#AEB9FF;border:1px solid rgba(122,139,255,.30)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,17,32,.86);
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
@supports (backdrop-filter:blur(14px)){
  .site-header{backdrop-filter:blur(14px)}
}
.site-header.is-scrolled{background:rgba(8,14,27,.94);border-bottom-color:var(--line-soft);box-shadow:0 12px 30px rgba(3,8,20,.4)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:baseline;gap:2px;font-size:19px;line-height:1;letter-spacing:-.01em;flex:0 0 auto}
.brand-strong{font-weight:800;color:var(--text)}
.brand-light{font-weight:400;color:var(--text-2);font-size:17px}
.brand:hover .brand-light{color:var(--primary);transition:color .18s var(--ease)}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;overflow:visible}
.nav-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);border:1px solid transparent;white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-chip:hover{color:var(--text);background:rgba(122,160,255,.09)}
.nav-chip.is-active{background:rgba(46,211,166,.12);color:var(--primary);border-color:rgba(46,211,166,.34)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);position:relative;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle span{top:21px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:56px 0 52px;min-height:270px;display:flex;align-items:center;background:#0B1425}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(760px 340px at 16% 8%,rgba(46,211,166,.22),transparent 64%),
    linear-gradient(180deg,rgba(10,17,32,.55) 0%,rgba(10,17,32,.92) 66%,var(--bg) 100%);
}
.hero-inner{max-width:780px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;border:1px solid rgba(46,211,166,.30);background:rgba(46,211,166,.10);color:var(--primary);font-size:12px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(28px,3.6vw,40px);line-height:1.3;margin-bottom:14px}
.hero-sub{font-size:16px;color:var(--text-2);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line-soft)}
.hero-stat strong{display:block;font-size:22px;color:var(--primary);font-weight:700;line-height:1.2}
.hero-stat span{font-size:12px;color:var(--text-3)}

/* ---------- 分节 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3}
.section-head p{color:var(--text-2);font-size:15px;margin:10px 0 0;max-width:600px}
.eyebrow{display:block;font-size:12px;letter-spacing:.16em;color:var(--primary);font-weight:700;margin-bottom:12px;text-transform:uppercase}

/* ---------- 分段 chip 行 ---------- */
.filter-row{display:flex;gap:10px;align-items:center;overflow-x:auto;padding:4px 0 2px;scrollbar-width:none;-ms-overflow-style:none}
.filter-row::-webkit-scrollbar{display:none}
.filter-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid var(--line);background:rgba(19,32,58,.5);
  white-space:nowrap;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.filter-chip:hover{color:var(--text);border-color:rgba(122,160,255,.32)}
.filter-chip.is-active{background:rgba(46,211,166,.12);border-color:rgba(46,211,166,.42);color:var(--primary);font-weight:600}

/* ---------- 卖点卡 ---------- */
.card-glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.05);
  padding:26px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
@supports (backdrop-filter:blur(14px)){
  .card-glass{backdrop-filter:blur(14px)}
}
.card-glass:hover{transform:translateY(-2px);border-color:rgba(122,160,255,.30);box-shadow:var(--shadow-card)}
.adv-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px}
.adv-grid .card-glass:nth-child(3){grid-column:1 / -1}
.adv-card h3{font-size:19px;margin-bottom:10px}
.adv-card p{color:var(--text-2);font-size:15px;margin:0}
.adv-icon{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(46,211,166,.14);color:var(--primary);font-size:18px;font-weight:700;margin-bottom:16px}
.adv-card:nth-child(2) .adv-icon{background:rgba(255,122,69,.14);color:var(--accent)}
.adv-card:nth-child(3) .adv-icon{background:rgba(122,139,255,.14);color:var(--violet)}

/* ---------- 内容卡 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,211,166,.65),transparent);
  opacity:0;transition:opacity .18s var(--ease);z-index:2;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(46,211,166,.34);box-shadow:var(--shadow-card)}
.post-card:hover::before{opacity:1}
.post-card:focus-within{border-color:rgba(46,211,166,.45)}
.post-card.is-lead{grid-column:span 2}
.post-thumb{position:relative;aspect-ratio:4/3;background:#121C33;overflow:hidden}
.post-card.is-lead .post-thumb{aspect-ratio:21/9}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb .badge{position:absolute;left:14px;top:14px;z-index:1;box-shadow:0 6px 16px rgba(3,8,20,.45)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:18px;line-height:1.45;margin-bottom:10px}
.post-card.is-lead .post-title{font-size:22px}
.post-title a{color:var(--text);transition:color .18s var(--ease)}
.post-title a::after{content:"";position:absolute;inset:0;z-index:3}
.post-card:hover .post-title a{color:var(--primary)}
.post-excerpt{
  color:var(--text-2);font-size:14px;line-height:1.8;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.post-meta .time-mark{color:var(--accent);font-weight:600}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step{position:relative;padding:24px 20px;border-radius:var(--radius-lg);background:rgba(19,32,58,.45);border:1px solid var(--line-soft);transition:border-color .18s var(--ease),transform .18s var(--ease)}
.step:hover{border-color:rgba(46,211,166,.32);transform:translateY(-2px)}
.step-index{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:rgba(46,211,166,.14);color:var(--primary);font-size:13px;font-weight:700;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8}

/* ---------- 事实与引用 ---------- */
.proof-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}
.fact{padding:20px;border-radius:var(--radius-lg);background:rgba(15,24,48,.8);border:1px solid var(--line-soft)}
.fact strong{display:block;font-size:26px;color:var(--primary);font-weight:700;line-height:1.2}
.fact span{font-size:13px;color:var(--text-2)}
.quote-card{padding:28px;border-radius:var(--radius-lg);background:linear-gradient(160deg,rgba(46,211,166,.10),rgba(19,32,58,.55));border:1px solid rgba(46,211,166,.24);display:flex;flex-direction:column;justify-content:center}
.quote-card p{font-size:16px;line-height:1.9;color:var(--text);margin:0 0 18px}
.quote-card cite{font-style:normal;font-size:13px;color:var(--text-2)}
.logo-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.logo-pill{height:44px;padding:0 18px;display:inline-flex;align-items:center;border-radius:12px;border:1px solid var(--line-soft);background:rgba(19,32,58,.6);font-size:13px;color:var(--text-3);filter:grayscale(1);transition:filter .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.logo-pill:hover{filter:grayscale(0);color:var(--text);border-color:rgba(46,211,166,.32)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;cursor:pointer;font-size:16px;font-weight:500;color:var(--text);
  list-style:none;transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-plus{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{top:0;left:7px;width:2px;height:16px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 0 20px}
.faq-answer p{margin:0;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:48px;border-radius:var(--radius-xl);
  background:linear-gradient(150deg,rgba(46,211,166,.14),rgba(19,32,58,.72) 55%);
  border:1px solid rgba(46,211,166,.26);
  box-shadow:var(--shadow-card);
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,166,.24),transparent 68%);pointer-events:none;
}
.cta-card h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px}
.cta-card p{color:var(--text-2);font-size:15px;margin:0}
.cta-form{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.cta-form label{font-size:13px;color:var(--text-2)}
.cta-form .field-row{display:flex;gap:10px}
.cta-form input[type="email"]{
  flex:1;height:46px;padding:0 16px;border-radius:var(--radius-btn);
  background:rgba(10,17,32,.62);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.cta-form input[type="email"]::placeholder{color:var(--text-3)}
.cta-form input[type="email"]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,211,166,.20);background:rgba(10,17,32,.82)}
.form-note{font-size:12px;color:var(--text-3);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line-soft);padding:64px 0 26px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;margin:16px 0 0;max-width:340px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-contact p{font-size:14px;color:var(--text-2);margin:0 0 10px;line-height:1.8}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.footer-bar .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bar a{color:var(--text-3);transition:color .18s var(--ease)}
.footer-bar a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0}
  .adv-grid{grid-template-columns:1fr 1fr}
  .adv-grid .card-glass:nth-child(3){grid-column:auto}
  .post-card.is-lead{grid-column:span 3}
  .post-card.is-lead .post-thumb{aspect-ratio:16/7}
  .proof-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:36px}
}
@media (max-width:991px){
  .nav-chips{gap:2px}
  .nav-chip{padding:0 12px;font-size:13px}
  .nav-actions .btn-primary{display:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-card.is-lead{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .facts{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 18px}
  .nav-wrap{height:60px;gap:10px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .brand{font-size:17px}
  .brand-light{font-size:15px}
  .nav-chips{
    position:absolute;left:0;right:0;top:60px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px 18px 18px;margin:0;
    background:rgba(8,14,27,.98);
    border-bottom:1px solid var(--line-soft);
    box-shadow:0 20px 40px rgba(3,8,20,.5);
    display:none;
  }
  .site-header.is-open .nav-chips{display:flex}
  .nav-chip{height:44px;justify-content:flex-start;padding:0 14px;width:100%}
  .hero{padding:44px 0 40px;min-height:auto}
  .hero-sub{font-size:15px}
  .hero-stats{gap:20px;margin-top:24px}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:26px}
  .adv-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .post-card.is-lead{grid-column:auto}
  .post-card.is-lead .post-thumb,.post-thumb{aspect-ratio:16/9}
  .post-card.is-lead .post-title{font-size:19px}
  .steps{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .cta-card{padding:26px;gap:24px}
  .cta-form .field-row{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:44px 0 22px;margin-top:64px}
  .footer-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .card-glass{padding:20px}
  .post-body{padding:16px}
  .btn{height:44px;padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .post-card:hover,.card-glass:hover,.btn:hover,.step:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#0A1120;
  --bg-deep:#070D19;
  --surface:#0F1830;
  --glass:rgba(19,32,58,.55);
  --glass-solid:#131F3A;
  --primary:#2ED3A6;
  --primary-soft:rgba(46,211,166,.12);
  --accent:#FF7A45;
  --violet:#7A8BFF;
  --text:#EAF1FF;
  --muted:#93A3BF;
  --weak:#6B7C99;
  --stroke:rgba(122,160,255,.16);
  --line:rgba(122,160,255,.10);
  --r-lg:20px;
  --r-md:16px;
  --r-img:14px;
  --r-btn:12px;
  --shadow:0 18px 40px rgba(3,8,20,.45);
  --inset:inset 0 1px 0 rgba(255,255,255,.06);
  --ease:180ms ease-out;
  --fs-h1:clamp(30px,4vw,42px);
  --fs-h2:28px;
  --fs-h3:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(122,160,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(122,160,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),opacity var(--ease),transform var(--ease)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  border-bottom:1px solid transparent;
  background:rgba(10,17,32,.72);
}
.site-header.is-scrolled{
  background:rgba(10,17,32,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(3,8,20,.4);
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .site-header.is-scrolled{background:#0C1425}
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:2px;
  font-size:20px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-strong{font-weight:800;color:var(--text)}
.brand-light{font-weight:400;color:var(--muted);font-size:17px}
.brand:hover .brand-light{color:var(--primary)}
.nav-chips{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all var(--ease);
}
.nav-chip:hover{color:var(--text);background:rgba(122,160,255,.08)}
.nav-chip.is-active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(46,211,166,.38);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(19,32,58,.6);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translate(-50%,0) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translate(-50%,0) rotate(-45deg);top:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:all var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:var(--primary);
  color:#04211A;
  box-shadow:0 10px 24px -14px rgba(46,211,166,.7);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 10px 30px -8px rgba(46,211,166,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.28)}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(122,160,255,.22);
}
.btn-ghost:hover{border-color:rgba(46,211,166,.45);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.link-more{
  color:var(--primary);
  font-size:14.5px;
  font-weight:600;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--primary);text-decoration:underline;text-underline-offset:4px}

/* ---------- hero ---------- */
.hero-compact{
  position:relative;
  min-height:272px;
  display:flex;
  align-items:center;
  padding:56px 0 44px;
  background-image:
    radial-gradient(760px 340px at 18% 20%,rgba(46,211,166,.16),transparent 70%),
    linear-gradient(180deg,rgba(10,17,32,.62) 0%,rgba(10,17,32,.94) 78%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-compact .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(46,211,166,.34);
  margin-bottom:16px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}
.hero-compact h1{
  font-size:var(--fs-h1);
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:800;
  margin-bottom:14px;
  max-width:760px;
}
.hero-compact h1 em{font-style:normal;color:var(--primary)}
.hero-sub{
  color:var(--muted);
  font-size:16px;
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-title{
  font-size:var(--fs-h2);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-title small{
  display:block;
  font-size:14px;
  font-weight:400;
  color:var(--weak);
  margin-top:8px;
  letter-spacing:.01em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--violet);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--violet);display:inline-block}

/* ---------- segmented chips ---------- */
.seg-bar{
  border-bottom:1px solid var(--line);
  background:rgba(15,24,48,.42);
}
.seg-chips{
  display:flex;
  gap:10px;
  padding:18px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-chips::-webkit-scrollbar{display:none}
.seg-chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  border:1px solid var(--stroke);
  background:rgba(19,32,58,.4);
  transition:all var(--ease);
}
.seg-chip:hover{color:var(--text);border-color:rgba(122,160,255,.34)}
.seg-chip.is-current{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(46,211,166,.45);
  font-weight:600;
}

/* ---------- category layout ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:36px;
  align-items:start;
  padding:56px 0 80px;
}
.filter-panel{
  position:sticky;
  top:96px;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),var(--inset);
  padding:6px 20px 20px;
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .filter-panel{background:var(--glass-solid)}
}
.filter-fold > summary{
  display:none;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.filter-fold > summary::-webkit-details-marker{display:none}
.filter-fold > summary::after{
  content:"+";
  font-size:20px;
  color:var(--primary);
  transition:transform var(--ease);
}
.filter-fold[open] > summary::after{transform:rotate(45deg)}
.filter-group{padding:18px 0;border-bottom:1px solid var(--line)}
.filter-group:last-child{border-bottom:0;padding-bottom:4px}
.filter-group h3{
  font-size:12.5px;
  color:var(--weak);
  letter-spacing:.1em;
  margin-bottom:12px;
  font-weight:600;
}
.filter-list li + li{margin-top:4px}
.filter-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  min-height:36px;
  padding:0 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--muted);
}
.filter-list a:hover{color:var(--text);background:rgba(122,160,255,.08)}
.filter-list a.is-on{color:var(--primary);background:var(--primary-soft)}
.filter-list span.count{font-size:12px;color:var(--weak)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--stroke);
  transition:all var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(46,211,166,.45)}
.tag.is-hot{color:var(--accent);border-color:rgba(255,122,69,.42);background:rgba(255,122,69,.1)}

/* ---------- list rows ---------- */
.list-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.list-head h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
.list-head .hint{font-size:13px;color:var(--weak)}
.row-list{display:flex;flex-direction:column;gap:20px}
.list-row{
  display:grid;
  grid-template-columns:220px minmax(0,1fr) 28px;
  gap:20px;
  align-items:center;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  position:relative;
}
.list-row:last-child{border-bottom:0;padding-bottom:0}
.list-thumb{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:220/140;
  background:#121C33;
}
.list-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 320ms ease-out;
}
.list-row:hover .list-thumb img{transform:scale(1.04)}
.thumb-badge{
  position:absolute;
  left:10px;top:10px;
  height:24px;
  padding:0 10px;
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  font-size:12px;
  color:#04211A;
  background:rgba(46,211,166,.92);
  font-weight:600;
}
.thumb-badge.warm{background:rgba(255,122,69,.92);color:#2A0E03}
.row-body h3{
  font-size:19px;
  line-height:1.5;
  font-weight:700;
  margin-bottom:8px;
  transition:color var(--ease);
}
.list-row:hover .row-body h3{color:var(--primary)}
.row-body p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:12px;
  font-size:13px;
  color:var(--weak);
}
.row-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--weak);display:inline-block}
.row-arrow{
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--stroke);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  font-size:14px;
  transition:all var(--ease);
}
.list-row:hover .row-arrow{
  color:#04211A;
  background:var(--primary);
  border-color:var(--primary);
  transform:translateX(3px);
}

/* ---------- scenarios ---------- */
.scn-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
}
.scn-card{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),var(--inset);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform var(--ease),border-color var(--ease);
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .scn-card{background:var(--glass-solid)}
}
.scn-card:hover{transform:translateY(-2px);border-color:rgba(46,211,166,.4)}
.scn-card.wide{grid-column:1 / -1;flex-direction:row;align-items:center;gap:28px}
.scn-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/9;
  background:#121C33;
}
.scn-card.wide .scn-figure{flex:0 0 46%;aspect-ratio:16/9}
.scn-figure img{width:100%;height:100%;object-fit:cover}
.scn-card h3{font-size:var(--fs-h3);font-weight:700;letter-spacing:-.01em}
.scn-card p{font-size:15px;color:var(--muted);line-height:1.85}
.scn-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.scn-list li{
  font-size:12.5px;
  color:var(--muted);
  border:1px solid var(--stroke);
  border-radius:999px;
  height:26px;
  display:inline-flex;
  align-items:center;
  padding:0 10px;
}

/* ---------- flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.step{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  padding:24px 20px;
  box-shadow:var(--shadow),var(--inset);
  position:relative;
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .step{background:var(--glass-solid)}
}
.step .num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary-soft);
  border:1px solid rgba(46,211,166,.32);
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- stats ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow),var(--inset);
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .stat-strip{background:var(--glass-solid)}
}
.stat-item{text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-label{font-size:13px;color:var(--weak);margin-top:6px}

/* ---------- faq ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 32px;
}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:0;
}
.faq-item > summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding:16px 0;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  transition:color var(--ease);
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item > summary:hover{color:var(--primary)}
.faq-plus{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--stroke);
  position:relative;
  transition:transform 200ms ease-out,border-color var(--ease);
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:10px;height:1.5px}
.faq-plus::after{width:1.5px;height:10px;transition:opacity 200ms ease-out}
.faq-item[open] .faq-plus{transform:rotate(180deg);border-color:rgba(46,211,166,.5)}
.faq-item[open] .faq-plus::after{opacity:0}
.faq-item p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  padding:0 34px 20px 0;
}

/* ---------- cta ---------- */
.cta-card{
  background:linear-gradient(135deg,rgba(46,211,166,.10),rgba(19,32,58,.72) 46%,rgba(122,139,255,.10));
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),var(--inset);
  padding:40px;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:220px;height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.cta-card h2{font-size:26px;line-height:1.4;font-weight:700;margin-bottom:12px}
.cta-card p{font-size:15px;color:var(--muted);line-height:1.85}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 220px;
  min-height:46px;
  padding:0 16px;
  border-radius:var(--r-btn);
  background:rgba(19,32,58,.7);
  border:1px solid var(--stroke);
  color:var(--text);
  font-size:15px;
  transition:all var(--ease);
}
.sub-form input::placeholder{color:var(--weak)}
.sub-form input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,211,166,.2);
}
.form-note{font-size:12px;color:var(--weak);margin-top:12px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand p{
  font-size:14px;
  color:var(--muted);
  margin-top:14px;
  max-width:320px;
  line-height:1.85;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li + li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-contact p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:10px}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bar{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--weak);
}
.footer-bar .links{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.footer-bar .links a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .cat-layout{grid-template-columns:240px minmax(0,1fr);gap:28px}
  .list-row{grid-template-columns:200px minmax(0,1fr) 28px}
}
@media (max-width:991px){
  .nav-chips{
    position:absolute;
    top:72px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:10px 16px 16px;
    background:rgba(10,17,32,.97);
    border-bottom:1px solid var(--line);
    display:none;
    box-shadow:0 20px 40px rgba(3,8,20,.5);
  }
  .nav-chips.is-open{display:flex}
  .nav-chip{justify-content:flex-start;min-height:44px;border-radius:12px}
  .nav-toggle{display:block}
  .nav-wrap{gap:14px}
  .site-header .nav-actions .btn-sm{display:none}
  .cat-layout{grid-template-columns:1fr;gap:24px;padding:32px 0 64px}
  .filter-panel{position:static;padding:0 18px 12px}
  .filter-fold > summary{display:flex}
  .filter-fold:not([open]) .filter-group{display:none}
  .scn-grid{grid-template-columns:1fr}
  .scn-card.wide{flex-direction:column;align-items:stretch}
  .scn-card.wide .scn-figure{flex:none}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .cta-card{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .hero-compact{min-height:240px;padding:40px 0 36px}
  .hero-sub{font-size:15px}
  .list-row{grid-template-columns:1fr;gap:14px;padding-bottom:22px}
  .list-thumb{aspect-ratio:16/9}
  .row-arrow{display:none}
  .stat-strip{grid-template-columns:1fr;padding:22px;gap:16px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding-bottom:16px}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .section-title{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bar{flex-direction:column;align-items:flex-start;gap:10px}
  .flow{grid-template-columns:1fr}
  .brand{font-size:18px}
  .brand-light{font-size:15px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .cta-card{padding:24px}
  .scn-card{padding:20px}
  .sub-form input{flex:1 1 100%}
  .sub-form .btn{width:100%}
  .faq-item > summary{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}