/* roulang page: index */
:root{
  --bg:#0C1311;
  --panel:#111A17;
  --surface:#0F1614;
  --ruler:rgba(0,224,122,.14);
  --ruler-soft:rgba(255,255,255,.06);
  --brand:#00E07A;
  --brand-deep:#00C96E;
  --brand-ink:#06221B;
  --acid:#D7FF3E;
  --title:#F2F7F2;
  --body:#C7D2CC;
  --muted:#7A8A80;
  --weak:#4D5A52;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(0,0,0,.2);
  --maxw:1200px;
  --section-space:88px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  min-width:320px;
}
p{text-align:justify}
a{color:inherit;text-decoration:none}
button,input{font:inherit;border:none;background:none;color:inherit}
img{display:block;max-width:100%}
ul,ol{list-style:none}
[id]{scroll-margin-top:84px}
.container{width:min(var(--maxw),100% - 40px);margin-inline:auto}
.skip-link{position:fixed;left:-999px;top:0;z-index:200;background:var(--brand);color:var(--brand-ink);padding:10px 18px;border-radius:0 0 8px 0}
.skip-link:focus{left:0;color:var(--brand-ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
::selection{background:rgba(0,224,122,.28);color:#F2F7F2}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:0 22px;height:46px;
  border-radius:8px;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,224,122,.22)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:rgba(242,247,242,.38);color:var(--title);background:transparent}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--body);font-weight:400}
.btn-ghost:hover{color:var(--brand)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(12,19,17,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ruler-soft);
}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.header-left{display:flex;align-items:center;gap:42px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;border:1px solid rgba(0,224,122,.3);border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-text{font-size:18px;font-weight:700;color:var(--title);letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  font-size:15px;color:var(--body);font-weight:500;line-height:66px;
  border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--title)}
.nav-link.active{color:var(--title);border-bottom-color:var(--brand)}
.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-wrap{position:relative;display:flex;align-items:center}
.icon-btn{
  width:40px;height:40px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--body);transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{color:var(--title);background:rgba(255,255,255,.05)}
.search-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:320px;background:#0E1714;border:1px solid var(--ruler);
  border-radius:12px;padding:8px;box-shadow:0 16px 40px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s ease;
}
.search-wrap.open .search-panel{opacity:1;visibility:visible;transform:none}
.search-input{width:100%;height:42px;background:rgba(255,255,255,.04);border:1px solid transparent;border-radius:8px;padding:0 14px;font-size:15px;color:var(--title)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 6px rgba(0,224,122,.12)}
.nav-toggle,.mobile-cta{display:none}

.hero{
  position:relative;overflow:hidden;background:var(--bg);
  background-image:url('/assets/images/backpic/back-1.png');
  background-position:center;background-size:cover;
  border-bottom:1px solid var(--ruler-soft);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(12,19,17,.92) 0%,rgba(12,19,17,.76) 55%,rgba(12,19,17,.9) 100%);
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:57% 43%;gap:24px;
  padding-top:76px;padding-bottom:82px;align-items:center;
}
.hero-copy{max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;background:rgba(199,210,204,.1);
  border:1px solid rgba(255,255,255,.09);color:var(--body);font-size:13px;font-weight:500;
  border-radius:999px;padding:6px 15px;letter-spacing:.05em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--brand)}
.hero h1{
  color:var(--title);font-size:clamp(44px,6vw,72px);font-weight:700;
  line-height:1.12;letter-spacing:-.02em;margin:26px 0 22px;
}
.hero h1 .accent{color:var(--brand)}
.hero-sub{font-size:17px;color:var(--body);max-width:560px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:34px;color:var(--muted);font-size:13px;
}
.hero-trust li{display:inline-flex;align-items:center;gap:8px}
.hero-trust li:not(:last-child)::after{content:"·";color:var(--weak)}
.hero-visual{position:relative;align-self:center;justify-self:end;width:100%;padding:10px}
.visual-shell{position:relative;max-width:480px;margin-left:auto;padding:18px 16px 14px}
.visual-shell::before{
  content:"";position:absolute;inset:40px -4px 12px;z-index:0;border-radius:30px;
  background:radial-gradient(closest-side,rgba(0,224,122,.18),transparent);
  filter:blur(8px);
}
.terminal-card{
  position:relative;z-index:1;border:1px solid var(--ruler);background:linear-gradient(145deg,#131D19,#0D1411);
  border-radius:18px;padding:24px;box-shadow:0 22px 44px rgba(0,0,0,.32);
}
.term-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.term-title{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--title);font-weight:600}
.term-dot{width:9px;height:9px;border-radius:99px;background:var(--brand);box-shadow:0 0 0 6px rgba(0,224,122,.1)}
.term-badge{font-size:12px;color:var(--muted);border:1px solid var(--ruler-soft);padding:3px 10px;border-radius:99px}
.term-label{font-size:13px;color:var(--muted);margin:16px 0 6px}
.mock-input{
  display:flex;align-items:center;height:48px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:8px;padding:0 14px;font-size:15px;color:rgba(199,210,204,.76);
}
.term-btn{
  display:flex;align-items:center;justify-content:center;height:48px;margin-top:20px;width:100%;
  background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:15px;border-radius:8px;
  transition:background .2s ease,transform .2s ease;
}
.term-btn:hover{background:var(--brand-deep)}
.term-status{display:flex;align-items:center;justify-content:flex-end;gap:7px;margin-top:14px;font-size:13px;color:var(--muted)}
.pulse{position:relative;width:8px;height:8px;border-radius:99px;background:var(--brand);flex-shrink:0}
.pulse::after{content:"";position:absolute;inset:-3px;border-radius:99px;border:1px solid rgba(0,224,122,.4);animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}

.section{padding:var(--section-space) 0}
.section-head{margin-bottom:42px}
.section-head h2,.section-title{font-size:34px;font-weight:600;letter-spacing:-.02em;color:var(--title);line-height:1.28}
.section-head p{color:var(--body);font-size:16px;max-width:560px;margin-top:12px;line-height:1.8}
.section-head.center{text-align:center;max-width:760px;margin-inline:auto}
.section-head.center p{margin-inline:auto}

.portal-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.portal-card{
  display:block;background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);
  padding:22px 18px;transition:border-color .2s ease,transform .25s ease,background .2s ease;
}
.portal-card:hover{border-color:var(--brand);transform:translateY(-4px);background:#131D19}
.portal-icon{
  width:46px;height:46px;border-radius:10px;background:rgba(0,224,122,.1);border:1px solid rgba(0,224,122,.14);
  display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:16px;
}
.portal-card h3{font-size:17px;color:var(--title);font-weight:600;margin-bottom:6px}
.portal-card p{font-size:13px;color:var(--muted);line-height:1.7}

.steps{background:linear-gradient(180deg,var(--bg) 0%,#0B1210 100%);border-top:1px solid rgba(255,255,255,.03)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;margin-top:10px}
.step-card{position:relative;background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:30px 26px}
@media(min-width:1025px){
  .step-card:not(:last-child)::after{
    content:"";position:absolute;top:64px;right:-33px;width:32px;border-top:1px dashed rgba(0,224,122,.5);
    transform:rotate(0deg);z-index:2;
  }
}
.step-num{font-family:"SFMono-Regular",Consolas,"Liberation Mono",menlo,monospace;font-size:20px;color:var(--acid);letter-spacing:.06em;margin-bottom:22px;display:block}
.step-card h3{font-size:20px;color:var(--title);font-weight:600;margin-bottom:8px}
.step-card p{font-size:15px;color:var(--muted);line-height:1.8}

.showcase{padding:var(--section-space) 0}
.showcase-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
  padding-bottom:64px;margin-bottom:64px;border-bottom:1px solid var(--ruler-soft);
}
.showcase-row:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.showcase-row.reverse .showcase-media{order:2;display:block}
.showcase-row.reverse .showcase-content{order:1}
.showcase-media{
  border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.06);
  box-shadow:0 18px 40px rgba(0,0,0,.22);line-height:0;
}
.showcase-media img{width:100%;height:auto;min-height:220px;object-fit:cover}
.showcase-content h2{font-size:32px;font-weight:600;color:var(--title);letter-spacing:-.02em;line-height:1.3;margin-bottom:14px}
.showcase-content p{font-size:16px;color:var(--body);margin-bottom:18px;max-width:560px;line-height:1.9}
.feature-list{display:grid;gap:10px;margin-top:22px}
.feature-list li{position:relative;padding-left:26px;color:var(--body);font-size:15px;line-height:1.8}
.feature-list li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:99px;background:var(--brand);box-shadow:0 0 0 4px rgba(0,224,122,.08)}

.proof{background:#0B1210;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.03);position:relative}
.proof-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.proof-copy h2{font-size:34px;font-weight:600;color:var(--title);letter-spacing:-.02em;line-height:1.3;margin-bottom:16px;max-width:460px}
.proof-copy p{font-size:16px;color:var(--body);line-height:1.9;max-width:520px}
.trust-marks{display:flex;flex-wrap:wrap;margin-top:26px;gap:10px}
.trust-marks span{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);border-radius:999px;color:var(--body);font-size:13px;
}
.trust-marks span::before{content:"";width:6px;height:6px;border-radius:99px;background:var(--acid)}
.stats-panel{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.05);border-radius:16px;overflow:hidden;
}
.stat-item{background:#0C1311;padding:30px 24px;min-height:120px;display:flex;flex-direction:column;justify-content:center}
.stat-item:nth-child(odd){background:#0E1512}
.stat-num{font-size:32px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.2}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);padding:24px;transition:border-color .2s ease,transform .25s ease,background .2s ease;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-4px);background:#131D19}
.news-date{font-size:13px;color:var(--muted)}
.news-card h3{font-size:20px;font-weight:600;color:var(--title);line-height:1.4;margin:12px 0 12px}
.news-title{transition:color .2s ease}
.news-card:hover .news-title,.news-title:hover{color:var(--brand)}
.news-summary{
  font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;line-height:1.75;margin-bottom:22px;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.05);padding-top:16px;margin-top:auto}
.tag{
  display:inline-flex;align-items:center;background:rgba(0,224,122,.09);color:var(--brand);
  border:1px solid rgba(0,224,122,.15);border-radius:999px;font-size:12px;padding:3px 12px;line-height:1.6;
}
.read-more{font-size:13px;color:var(--muted);transition:color .2s ease}
.read-more:hover{color:var(--brand)}
.news-empty{
  display:flex;align-items:center;justify-content:center;gap:10px;background:var(--panel);
  border:1px dashed rgba(255,255,255,.14);border-radius:var(--radius);padding:44px 20px;color:var(--muted);font-size:15px;
}
.news-empty::before{content:"";width:12px;height:12px;border-radius:99px;background:var(--weak)}

.faq{background:#0B1210;border-top:1px solid rgba(255,255,255,.03)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:start}
.faq-sticky{position:sticky;top:110px}
.faq-sticky h2{font-size:34px;font-weight:600;color:var(--title);letter-spacing:-.02em;line-height:1.3;margin-bottom:16px}
.faq-sticky p{font-size:15px;color:var(--body);line-height:1.9;max-width:340px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(215,255,62,.28)}
.faq-item[open]{border-color:rgba(0,224,122,.32);background:#111B17}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;cursor:pointer;font-size:18px;font-weight:600;color:var(--title);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::-moz-list-bullet{list-style:none}
.faq-toggle{
  position:relative;flex-shrink:0;width:26px;height:26px;border-radius:8px;
  border:1px solid rgba(215,255,62,.3);color:var(--acid);display:flex;align-items:center;justify-content:center;font-size:18px;
  transition:transform .25s ease,border-color .2s ease;
}
.faq-toggle::before{content:"+";line-height:1;font-weight:500}
.faq-item[open] .faq-toggle{transform:rotate(135deg);border-color:var(--brand);color:var(--brand)}
.faq-answer{padding:0 24px 22px}
.faq-answer p{font-size:15px;color:var(--muted);line-height:1.85}

.cta-section{padding:var(--section-space) 0}
.cta-panel{
  background:rgba(0,224,122,.1);border:1px solid rgba(0,224,122,.22);border-radius:22px;
  padding:66px 24px;text-align:center;position:relative;overflow:hidden;
}
.cta-panel h2{font-size:38px;color:var(--title);font-weight:700;letter-spacing:-.02em;max-width:840px;margin:0 auto 16px;line-height:1.28}
.cta-panel p{color:var(--body);font-size:17px;max-width:660px;margin:0 auto 34px;text-align:center}
.cta-note{display:inline-flex;justify-content:center;margin-top:18px;width:100%;color:var(--muted);font-size:13px}

.site-footer{
  background:#09100E;border-top:1px solid rgba(0,224,122,.1);padding:60px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.3fr .8fr .85fr 1fr;gap:40px 32px;padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:320px}
.footer-title{font-size:15px;color:var(--title);font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--brand);padding-left:3px}
.footer-safe{border:1px solid rgba(255,255,255,.05);background:rgba(255,255,255,.015);border-radius:12px;padding:16px;font-size:13px;color:var(--muted);line-height:1.8}
.footer-safe strong{color:var(--body);font-weight:600;display:block;margin-bottom:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);padding:24px 0;text-align:center;font-size:13px;color:var(--weak);
}

@media(max-width:1024px){
  .header-left{gap:24px;flex:1}
  .main-nav{gap:18px}
  .nav-link{font-size:14px}
  .hero-grid{padding-top:60px;padding-bottom:60px}
  .portal-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .proof-grid{grid-template-columns:1fr;gap:48px}
  .stats-panel{max-width:720px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-sticky{position:static}
}
@media(max-width:768px){
  :root{--section-space:64px}
  .container{width:min(var(--maxw),100% - 32px)}
  .header-inner{height:60px}
  .header-right{gap:8px}
  .nav-toggle{display:flex;width:42px;height:42px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
  .nav-toggle span{width:20px;height:2px;background:var(--body);border-radius:2px;transition:.25s ease,opacity .2s ease}
  .nav-toggle:hover span{background:var(--brand)}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(380px,88vw);z-index:90;
    background:#0A100E;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;
    padding:92px 28px 170px;box-shadow:-18px 0 50px rgba(0,0,0,.4);
    transform:translateX(104%);opacity:.2;visibility:hidden;transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{transform:none;opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .main-nav .nav-link{font-size:24px;color:var(--title);line-height:1.4;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .main-nav .nav-link:hover{color:var(--brand);border-bottom-color:var(--brand)}
  .main-nav .nav-link.active{color:var(--brand);border-bottom-color:var(--brand)}
  .mobile-cta{display:grid;grid-template-columns:1fr;gap:12px;position:absolute;left:24px;right:24px;bottom:24px}
  .mobile-cta .btn{width:100%;height:48px}
  .search-btn{display:none}
  .hero-grid{grid-template-columns:1fr;padding-top:46px;padding-bottom:54px;gap:46px}
  .hero-visual{justify-self:start;width:100%}
  .visual-shell{max-width:100%;margin-left:0}
  .portal-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .step-card{padding:24px}
  .showcase-row,.showcase-row.reverse{grid-template-columns:1fr;gap:30px;padding-bottom:48px;margin-bottom:48px}
  .showcase-row.reverse .showcase-media{order:1}
  .showcase-row.reverse .showcase-content{order:2}
  .showcase-media img{min-height:auto}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .news-card{padding:20px}
  .stats-panel{grid-template-columns:repeat(2,1fr)}
  .cta-section{padding:56px 0}
  .cta-panel{padding:46px 18px}
  .cta-panel h2{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 28px;padding-bottom:36px}
}
@media(max-width:520px){
  .container{width:min(100% - 24px,var(--maxw))}
  .section{--section-space:48px}
  .section-head h2,.faq-sticky h2,.proof-copy h2,.showcase-content h2{font-size:28px}
  .hero h1{font-size:44px}
  .hero-sub{font-size:15px}
  .hero-actions{align-items:stretch;flex-direction:column}
  .hero-actions .btn{width:100%}
  .portal-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-panel{grid-template-columns:1fr 1fr}
  .stat-item{padding:22px 16px}
  .stat-num{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

/* roulang page: category1 */
:root{
  --bg:#0C1311;
  --bg-soft:#111A17;
  --bg-card:linear-gradient(145deg,#131E1A 0%,#101814 100%);
  --primary:#00E07A;
  --primary-dark:#00C96E;
  --accent:#D7FF3E;
  --text:#F2F7F2;
  --text-main:#C7D2CC;
  --muted:#7A8A80;
  --weak:#4D5A52;
  --border:rgba(0,224,122,0.12);
  --border-hover:rgba(0,224,122,0.38);
  --radius:14px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow:0 4px 20px rgba(0,0,0,0.2);
  --font-sans:"SF Pro SC","PingFang SC","MiSans","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --gap:24px;
  --space:88px
}
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text-main);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden
}
body::selection{background:rgba(0,224,122,0.22);color:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.container{width:min(1200px,92%);margin-inline:auto}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
  line-height:1.2;
  gap:8px;
  white-space:nowrap
}
.btn-primary{
  background:var(--primary);
  color:#06221B;
}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,224,122,0.15)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{
  background:transparent;
  border-color:rgba(242,247,242,0.32);
  color:var(--text);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn:focus-visible,.icon-btn:focus-visible,a:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px
}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(12,19,17,0.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,224,122,0.08);
  height:68px
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px
}
.header-left{display:flex;align-items:center;gap:26px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:rgba(0,224,122,0.08);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-0.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav .nav-link{
  position:relative;
  padding:8px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--text-main);
  border-radius:6px;
  transition:color .2s ease;
  white-space:nowrap
}
.main-nav .nav-link:hover{color:var(--text)}
.main-nav .nav-link.active{
  color:var(--text);
  font-weight:600
}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:1px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.mobile-cta{display:none}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-wrap{
  display:flex;
  align-items:center;
  gap:6px;
  justify-content:flex-end
}
.search-panel{
  width:0;
  opacity:0;
  overflow:hidden;
  transition:width .24s ease,opacity .2s ease
}
.search-wrap.open .search-panel{
  width:220px;
  opacity:1
}
.search-input{
  width:100%;
  height:38px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(255,255,255,0.04);
  color:var(--text);
  padding:0 14px;
  font-size:14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease
}
.search-input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 6px rgba(0,224,122,0.15)
}
.search-input::placeholder{color:var(--weak)}
.icon-btn{
  border:none;
  background:transparent;
  color:var(--text-main);
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  transition:background .2s,color .2s
}
.icon-btn:hover{background:rgba(255,255,255,0.06);color:var(--text)}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid transparent;
  background:transparent;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:8px;
  transition:border-color .2s
}
.nav-toggle span{
  width:20px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* category compact hero */
.page-hero{
  position:relative;
  background:
    linear-gradient(90deg,rgba(12,19,17,0.96) 0%,rgba(12,19,17,0.88) 60%,rgba(14,26,22,0.74) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
    var(--bg);
  border-bottom:1px solid rgba(0,224,122,0.08);
  padding:72px 0 68px;
  overflow:hidden
}
.page-hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,224,122,0.10),transparent 68%);
  top:-160px;
  right:-120px;
  pointer-events:none;
}
.hero-holder{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,0.62fr);
  gap:58px;
  align-items:center
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  padding:5px 14px 5px 10px;
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px
}
.hero-tag::before{
  content:"";
  width:7px;height:7px;
  background:var(--primary);
  border-radius:50%;
  box-shadow:0 0 0 4px rgba(0,224,122,0.14)
}
.page-hero h1{
  font-size:clamp(36px,6vw,54px);
  letter-spacing:-0.02em;
  line-height:1.14;
  color:var(--text);
  font-weight:700;
  margin-bottom:20px;
  max-width:12em;
  text-wrap:balance
}
.page-hero h1 .accent{color:var(--primary)}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-main);
  max-width:34em
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px
}
.hero-summary{
  background:linear-gradient(160deg,rgba(22,36,31,0.92),rgba(14,23,20,0.92));
  border:1px solid var(--border);
  border-radius:16px;
  padding:28px;
  box-shadow:var(--shadow);
  position:relative
}
.hero-summary::after{
  content:"";
  position:absolute;
  width:90px;
  height:90px;
  right:-20px;
  bottom:-20px;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:0.08;
  border-radius:14px;
  pointer-events:none
}
.summary-status{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:600;
  font-size:15px;
  margin-bottom:16px
}
.summary-status::before{
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 5px rgba(0,224,122,0.12);
  flex-shrink:0
}
.hero-summary p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8
}
.hero-summary .summary-link{
  display:inline-flex;
  margin-top:18px;
  gap:8px;
  color:var(--primary);
  font-weight:600;
  font-size:14px;
  align-items:center;
  border-bottom:1px dashed rgba(0,224,122,0.42);
  padding-bottom:2px;
  transition:color .2s ease
}
.hero-summary .summary-link:hover{color:var(--accent)}

/* section */
.section{padding:var(--space) 0}
.section-head{margin-bottom:42px}
.section-head.center{text-align:center;max-width:660px;margin-inline:auto}
.section-head h2{
  font-size:34px;
  font-weight:600;
  color:var(--text);
  line-height:1.3;
  letter-spacing:-0.01em;
  margin-bottom:12px
}
.section-head p{
  color:var(--muted);
  font-size:16px;
  line-height:1.8
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 14px;
  border-radius:999px;
  background:rgba(215,255,62,0.08);
  border:1px solid rgba(215,255,62,0.3);
  color:var(--accent);
  font-size:12px;
  font-weight:600
}

/* guide detail */
.guide-section{
  background:linear-gradient(180deg,var(--bg) 0%,#0D1714 100%)
}
.guide-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(280px,1fr);
  gap:48px;
  align-items:start
}
.guide-main .section-head{margin-bottom:28px}
.guide-entry-list{
  display:grid;
  gap:16px
}
.guide-entry{
  display:grid;
  grid-template-columns:58px minmax(0,1fr) auto;
  gap:20px;
  align-items:strt;
  background:linear-gradient(145deg,rgba(255,255,255,0.03),rgba(255,255,255,0.012));
  border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius);
  padding:26px 28px;
  transition:border-color .25s ease,transform .25s ease,background .25s ease
}
.guide-entry:hover{
  border-color:var(--border-hover);
  background:rgba(0,224,122,0.035);
  transform:translateY(-2px)
}
.guide-no{
  font-family:"SFMono-Regular","Cascadia Code",Consolas,monospace;
  font-size:22px;
  color:var(--primary);
  font-weight:600;
  line-height:1.2
}
.guide-entry-content h3{
  font-size:20px;
  color:var(--text);
  font-weight:600;
  line-height:1.4;
  margin-bottom:7px
}
.guide-entry-content p{
  font-size:15px;
  color:var(--muted);
  line-height:1.75;
  max-width:58em
}
.guide-more{
  align-self:center;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--text-main);
  transition:color .2s ease;
  white-space:nowrap
}
.guide-entry:hover .guide-more{color:var(--primary)}
.guide-aside{
  display:flex;
  flex-direction:column;
  gap:18px
}
.security-card{
  background:linear-gradient(150deg,#122019 0%,#0F1714 100%);
  border-radius:15px;
  border:1px solid rgba(0,224,122,0.2);
  padding:26px;
  box-shadow:var(--shadow)
}
.security-card .card-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(215,255,62,0.08);
  color:var(--accent);
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  margin-bottom:18px
}
.security-card h3{
  color:var(--text);
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.4
}
.security-card .card-state{
  font-size:14px;
  color:var(--text-main);
  margin-bottom:20px
}
.security-card .card-state strong{
  display:block;
  color:var(--primary);
  font-size:17px;
  font-weight:600;
  margin-bottom:10px
}
.node-list{
  display:grid;
  gap:11px;
  padding:14px 0 10px;
  border-top:1px dashed rgba(255,255,255,0.08);
  margin-top:14px
}
.node-list li{
  display:flex;
  gap:9px;
  align-items:flex-start;
  font-size:13px;
  color:var(--text-main);
  line-height:1.6
}
.node-list li::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--primary);
  margin-top:8px;
  flex-shrink:0
}
.aside-inner-card{
  border:1px solid rgba(255,255,255,0.06);
  background:rgba(255,255,255,0.018);
  border-radius:14px;
  padding:22px;
}
.aside-inner-card h4{
  font-size:14px;
  color:var(--text);
  font-weight:600;
  margin-bottom:12px
}
.aside-inner-card p{
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px
}
.inline-link{
  color:var(--primary);
  font-size:14px;
  font-weight:600
}
.inline-link:hover{color:var(--accent)}
.side-cta-link a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 14px;
  background:rgba(0,224,122,0.05);
  border:1px solid rgba(0,224,122,0.12);
  border-radius:10px;
  color:var(--text);
  font-size:14px;
  font-weight:600;
  margin-top:8px;
  transition:border-color .2s,background .2s
}
.side-cta-link a:hover{
  border-color:var(--primary);
  background:rgba(0,224,122,0.08)
}

/* steps */
.steps-section{
  background:#0B120F;
  border-top:1px solid rgba(255,255,255,0.03);
  border-bottom:1px solid rgba(255,255,255,0.03)
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px 48px;
  padding-top:40px
}
.step-item{
  position:relative;
  background:linear-gradient(145deg,rgba(255,255,255,0.03),rgba(255,255,255,0.008));
  border:1px solid rgba(255,255,255,0.06);
  border-radius:14px;
  padding:28px 24px 26px;
  transition:transform .25s ease,border-color .25s ease
}
.step-item:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover)
}
.step-num{
  display:inline-block;
  font-family:"SFMono-Regular","Cascadia Code",Consolas,monospace;
  color:var(--accent);
  font-size:20px;
  font-weight:600;
  margin-bottom:12px;
  letter-spacing:0.02em
}
.step-item h3{
  font-size:20px;
  color:var(--text);
  font-weight:600;
  margin-bottom:9px;
  line-height:1.4
}
.step-item p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75
}
.step-item:nth-child(n+2)::before{
  content:"";
  position:absolute;
  left:-36px;
  top:34px;
  width:24px;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--primary) 0 5px,transparent 5px 10px);
  opacity:0.75
}

/* scenario */
.scenario-section{background:linear-gradient(180deg,var(--bg) 0%,#101915 100%)}
.scenario-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(280px,0.65fr);
  gap:24px;
  align-items:stretch
}
.scenario-card{
  border-radius:16px;
  background:linear-gradient(145deg,#131F1B 0%,#0F1713 100%);
  border:1px solid rgba(255,255,255,0.06);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease
}
.scenario-card:hover{
  border-color:var(--border-hover);
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(0,0,0,0.22)
}
.scenario-media{position:relative;height:250px;overflow:hidden;background:#0F1714}
.scenario-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease
}
.scenario-card:hover .scenario-media img{transform:scale(1.03)}
.scenario-content{padding:28px}
.scenario-content .badge{margin-bottom:12px}
.scenario-content h3{
  color:var(--text);
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:10px
}
.scenario-content p{
  font-size:15px;
  color:var(--text-main);
  line-height:1.8;
  margin-bottom:16px
}
.scenario-content ul{
  display:grid;
  gap:9px;
  margin-top:12px
}
.scenario-content ul li{
  position:relative;
  padding-left:22px;
  color:var(--text-main);
  font-size:14px
}
.scenario-content ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:7px;
  height:7px;
  border-radius:50%;
  border:1.6px solid var(--primary);
  box-shadow:0 0 0 3px rgba(0,224,122,0.1)
}

/* faq */
.faq-section{
  background:linear-gradient(180deg,#0D1713 0%,var(--bg) 100%);
  border-top:1px solid rgba(255,255,255,0.03)
}
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,0.8fr) minmax(0,1.4fr);
  gap:56px;
  align-items:start
}
.faq-intro{
  position:sticky;
  top:100px
}
.faq-intro h2{
  font-size:34px;
  font-weight:600;
  color:var(--text);
  line-height:1.3;
  margin-bottom:16px;
  letter-spacing:-0.01em
}
.faq-intro p{
  color:var(--muted);
  line-height:1.8
}
.faq-list{
  display:grid;
  gap:14px
}
.faq-item{
  border:1px solid rgba(255,255,255,0.07);
  background:rgba(255,255,255,0.02);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease
}
.faq-item.active{
  border-color:rgba(0,224,122,0.25);
  background:rgba(0,224,122,0.025)
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:transparent;
  border:none;
  padding:20px 22px;
  font-size:17px;
  font-weight:500;
  color:var(--text);
  text-align:left;
  line-height:1.5;
  transition:color .2s ease
}
.faq-q:hover{color:var(--primary)}
.faq-q .icon-plus{
  width:24px;
  height:24px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.16);
  position:relative;
  flex-shrink:0;
  transition:transform .24s ease,border-color .24s ease,background .24s ease
}
.faq-q .icon-plus::before,
.faq-q .icon-plus::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px
}
.faq-q .icon-plus::before{
  width:10px;
  height:1.5px;
  left:6px;
  top:10px
}
.faq-q .icon-plus::after{
  width:1.5px;
  height:10px;
  left:10px;
  top:6px
}
.faq-item.active .faq-q .icon-plus{
  transform:rotate(45deg);
  border-color:var(--primary)
}
.faq-answer{
  display:none;
  padding:0 22px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85
}
.faq-item.active .faq-answer{
  display:block;
  animation:fade .22s ease
}
@keyframes fade{
  from{opacity:0;transform:translateY(-5px)}
  to{opacity:1;transform:translateY(0)}
}

/* cta */
.cta-section{
  position:relative;
  background:rgba(0,224,122,0.055);
  border-top:1px solid rgba(0,224,122,0.08);
  border-bottom:1px solid rgba(0,224,122,0.08)
}
.cta-inner{
  padding:72px 0;
  text-align:center;
  position:relative
}
.cta-inner::before{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(0,224,122,0.12),transparent 70%);
  pointer-events:none
}
.cta-inner h2{
  font-size:34px;
  color:var(--text);
  font-weight:600;
  margin-bottom:14px;
  position:relative
}
.cta-inner p{
  max-width:560px;
  margin:0 auto 26px;
  color:var(--muted);
  font-size:15px;
  position:relative
}
.cta-buttons{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
  position:relative
}
.safe-note{
  margin-top:18px;
  font-size:13px;
  color:var(--weak);
  position:relative
}

/* footer */
.site-footer{
  background:#080E0C;
  border-top:1px solid rgba(0,224,122,0.1);
  padding:64px 0 30px;
  margin-top:0
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr 0.9fr 0.9fr 1.2fr;
  gap:48px;
  margin-bottom:46px
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
  max-width:32em
}
.footer-title{
  font-size:16px;
  color:var(--text);
  font-weight:600;
  margin-bottom:18px
}
.footer-links{
  display:grid;
  gap:10px
}
.footer-links a{
  color:var(--muted);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease
}
.footer-links a:hover{
  color:var(--primary);
  padding-left:4px
}
.footer-safe{
  background:rgba(0,224,122,0.045);
  border:1px solid rgba(0,224,122,0.09);
  border-radius:12px;
  padding:18px 18px 16px;
  font-size:13px;
  color:var(--text-main)
}
.footer-safe strong{
  display:block;
  color:var(--text);
  font-weight:600;
  font-size:14px;
  line-height:1.6;
  margin-bottom:6px
}
.footer-safe strong::before{
  content:"!";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--accent);
  color:#0B120F;
  font-size:12px;
  font-weight:700;
  margin-right:8px
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.05);
  padding-top:24px;
  text-align:center
}
.footer-bottom p{
  color:var(--weak);
  font-size:13px;
  letter-spacing:0.02em
}

/* responsive */
@media (max-width:1024px){
  :root{--space:64px}
  .container{width:94%}
  .hero-holder{grid-template-columns:minmax(0,1fr) 360px;gap:32px}
  .guide-layout{gap:28px}
  .scenario-grid{grid-template-columns:1.2fr 0.8fr}
  .footer-grid{gap:32px}
  .main-nav .nav-link{padding:8px 9px}
  .brand-text{font-size:17px}
  .header-left{gap:16px}
  .step-item:nth-child(n+2)::before{display:none}
}
@media (max-width:900px){
  .guide-layout{
    grid-template-columns:1fr;
  }
  .guide-aside{
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:start;
  }
  .scenario-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro{position:static}
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px
  }
}
@media (max-width:768px){
  :root{--space:48px}
  .site-header,.header-inner{height:60px}
  .header-inner{flex-wrap:nowrap}
  .nav-toggle{display:flex}
  .header-left{gap:10px}
  .brand-text{font-size:16px}
  .brand-mark{width:28px;height:28px}
  .main-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(410px,88vw);
    height:100dvh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:stretch;
    background:rgba(10,16,14,0.98);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    padding:30px 34px;
    transform:translateX(102%);
    transition:transform .28s ease;
    box-shadow:-14px 0 34px rgba(0,0,0,0.28);
    gap:8px;
    z-index:200
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-link{
    font-size:26px;
    font-weight:600;
    color:var(--text);
    padding:12px 0;
    border-bottom:1px solid rgba(255,255,255,0.05);
    border-radius:0
  }
  .main-nav .nav-link.active::after{display:none}
  .main-nav .nav-link.active{color:var(--primary)}
  .mobile-cta{
    display:flex;
    flex-direction:column;
    gap:12px;
    margin-top:26px
  }
  .mobile-cta .btn{width:100%}
  .nav-login-btn{display:none}
  .page-hero{padding:52px 0}
  .hero-holder{grid-template-columns:1fr}
  .hero-summary{margin-top:8px}
  .page-hero h1{font-size:clamp(31px,9vw,42px)}
  .guide-entry{
    grid-template-columns:36px 1fr;
    gap:10px 16px;
    padding:20px
  }
  .guide-more{grid-column:2;align-self:start}
  .guide-aside{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;gap:16px;padding-top:24px}
  .section-head h2,.faq-intro h2{font-size:28px}
  .cta-inner{padding:52px 0}
  .cta-buttons .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div{padding-top:6px}
  .search-wrap.open .search-panel{
    position:absolute;
    right:52px;
    top:0;
    width:55vw;
  }
}
@media (max-width:520px){
  .hero-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .guide-entry-content h3,.step-item h3,.scenario-content h3{font-size:18px}
  .guide-entry-content p,.scenario-content p{font-size:14px}
  .cta-buttons{flex-direction:column}
  .step-item{padding:22px 20px}
  .faq-q{padding:18px 16px;font-size:15px}
  .faq-answer{padding:0 16px 18px;font-size:14px}
  .search-wrap.open .search-panel{width:62vw}
}

/* roulang page: article */
:root{--bg:#0C1311;--bg-soft:#111A17;--bg-raised:#161F1B;--primary:#00E07A;--primary-deep:#00C96E;--accent:#D7FF3E;--text:#F2F7F2;--body:#C7D2CC;--muted:#7A8A80;--dim:#4D5A52;--line:rgba(0,224,122,.12);--radius:14px;--radius-sm:8px;--shadow:0 4px 20px rgba(0,0,0,.2);--spacer:88px;--font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;--mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);background-image:radial-gradient(circle at 85% 12%,rgba(0,224,122,.05) 0,transparent 320px),linear-gradient(180deg,rgba(0,224,122,.02) 0,transparent 180px);font-family:var(--font);color:var(--body);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--text);font-weight:600;line-height:1.25}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:8px;font-size:15px;font-weight:600;white-space:nowrap;border:1px solid transparent;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;cursor:pointer}
.btn-primary{background:var(--primary);color:#06221B}
.btn-primary:hover{background:var(--primary-deep);color:#06221B;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:rgba(242,247,242,.25);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;color:var(--body);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);cursor:pointer;transition:all .2s}
.icon-btn:hover{color:var(--primary);border-color:rgba(0,224,122,.4)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
section{scroll-margin-top:90px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(12,19,17,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:22px}
.header-left{display:flex;align-items:center;gap:34px;flex:1;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;background:rgba(0,224,122,.06);border:1px solid rgba(0,224,122,.2);border-radius:10px}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;font-size:14px;font-weight:600;color:var(--body);border-radius:8px;transition:color .2s,background .2s}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--primary);border-radius:2px 2px 0 0}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-wrap{display:flex;align-items:center;gap:6px}
.search-panel{display:flex}
.search-input{width:170px;height:40px;border-radius:8px 0 0 8px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04);color:var(--text);padding:0 14px;font-size:13px;outline:none;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none}
.search-input::placeholder{color:var(--dim);font-size:13px}
.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 6px rgba(0,224,122,.12)}
.search-btn{width:42px;height:40px;border-radius:0 8px 8px 0;text-align:center}
.nav-toggle{display:none;flex-direction:column;gap:5px;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,.1);cursor:pointer}
.nav-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-cta{display:none}
.article-main{position:relative;padding:34px 0 24px}
.article-page .footer-cta{scroll-margin-top:80px}
.reader-wrap{max-width:920px;margin:0 auto;padding:0 22px}
.crumb-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin:6px 0 30px}
.crumb-row a{color:var(--muted);transition:color .18s}
.crumb-row a:hover{color:var(--primary)}
.crumb-row .sep{color:var(--dim)}
.crumb-row .current{color:var(--body);max-width:56%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-head{margin:0 auto 34px;max-width:760px}
.post-cat{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--accent);background:rgba(215,255,62,.07);border:1px solid rgba(215,255,62,.2);margin-bottom:18px}
.post-cat a{color:inherit}
.post-title{font-size:clamp(28px,4.6vw,42px);font-weight:700;line-height:1.22;color:var(--text);letter-spacing:-.02em;text-align:left}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--muted)}
.post-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--dim)}
.post-body{margin:0 auto;max-width:760px;font-size:17px;color:var(--body)}
.post-body::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--primary),rgba(0,224,122,.05) 65%,transparent);margin:12px 0 34px;border:none}
.post-body>*+*{margin-top:1.65em}
.post-body p{line-height:1.9;text-align:justify}
.post-body h2{font-size:24px;font-weight:600;color:var(--text);line-height:1.4;margin-top:2em;padding-left:14px;border-left:3px solid var(--primary);letter-spacing:-.01em}
.post-body h3{font-size:20px;font-weight:600;color:var(--text);line-height:1.4;margin-top:1.7em}
.post-body h4{font-size:17px;font-weight:600;color:var(--text)}
.post-body ul,.post-body ol{padding-left:26px;margin-top:1.5em}
.post-body ul{list-style:disc}
.post-body ol{list-style:decimal}
.post-body li{margin-top:.7em;line-height:1.85}
.post-body li::marker{color:var(--primary)}
.post-body a{color:var(--primary);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px}
.post-body a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.post-body blockquote{margin:2em 0 0;padding:18px 22px;border-radius:0 12px 12px 0;border-left:4px solid var(--primary);background:rgba(0,224,122,.07);color:var(--body)}
.post-body blockquote p:first-child{margin-top:0}
.post-body blockquote p{text-align:left;margin-top:0!important}
.post-body pre{background:#09100E;border:1px solid rgba(255,255,255,.05);border-radius:12px;padding:22px;overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.8;color:#C7D2CC}
.post-body code{font-family:var(--mono);font-size:.9em;background:rgba(0,224,122,.08);color:#B6F4CF;padding:2px 7px;border-radius:6px}
.post-body pre code{background:transparent;padding:0;color:inherit}
.post-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;font-size:15px}
.post-body th{border:1px solid rgba(255,255,255,.08);background:rgba(0,224,122,.06);color:var(--text);font-weight:600;padding:10px 14px;text-align:left}
.post-body td{border:1px solid rgba(255,255,255,.07);padding:10px 14px;color:var(--body)}
.post-body img{border-radius:14px;margin:2em 0 0;width:100%;height:auto}
.post-body figure{margin-top:2.2em}
.post-body figure img{margin-top:0}
.post-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.post-body hr{margin:2.5em 0 0;border:none;border-top:1px solid rgba(255,255,255,.06)}
.post-last{margin:44px auto 20px;max-width:760px;padding-top:26px;border-top:1px solid rgba(255,255,255,.06)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .tag-label{font-size:13px;color:var(--muted)}
.article-tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;font-size:13px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--body);transition:border-color .2s,color .2s;cursor:default}
.article-tag:hover{border-color:rgba(0,224,122,.4);color:var(--primary)}
.back-to-news{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-size:14px;font-weight:600;color:var(--body);transition:color .2s}
.back-to-news svg{width:16px;height:16px;transition:transform .2s}
.back-to-news:hover{color:var(--primary)}
.back-to-news:hover svg{transform:translateX(-3px)}
.related-section{max-width:920px;margin:70px auto 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;gap:16px}
.related-head h2{font-size:28px;font-weight:600;color:var(--text);line-height:1.3}
.related-head a{font-size:13px;color:var(--muted)}
.related-head a:hover{color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.minicard{padding:24px;border-radius:14px;background:var(--bg-soft);border:1px solid rgba(255,255,255,.05);transition:transform .25s,border-color .25s,box-shadow .25s;}
.minicard:hover{border-color:var(--line);box-shadow:var(--shadow);transform:translateY(-3px)}
.minicard .mini-date{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}
.minicard h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.45;transition:color .2s}
.minicard:hover h3{color:var(--primary)}
.minicard p{margin-top:10px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.minicard .mini-more{display:inline-flex;align-items:center;gap:5px;margin-top:18px;font-size:13px;font-weight:500;color:var(--primary)}
.minicard .mini-more svg{width:13px;height:13px;transition:transform .18s}
.minicard:hover .mini-more svg{transform:translateX(3px)}
.empty-note{display:flex;align-items:center;justify-content:center;gap:12px;min-height:120px;border:1px dashed rgba(255,255,255,.08);border-radius:14px;color:var(--muted);font-size:14px;margin-top:24px}
.post-notfound{margin:24px auto;max-width:760px;text-align:center;padding:78px 24px;border-radius:20px;background:var(--bg-soft);border:1px solid rgba(255,255,255,.05)}
.post-notfound h1{font-size:30px;color:var(--text)}
.post-notfound p{color:var(--muted);margin:14px 0 30px}
.post-notfound .btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.footer-cta{margin-top:80px;background:rgba(0,224,122,.07);border-top:1px solid rgba(0,224,122,.14)}
.footer-cta .container{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:46px;padding-bottom:50px;gap:14px}
.footer-cta h2{font-size:28px;font-weight:600;color:var(--text)}
.footer-cta p{max-width:560px;font-size:14px;color:var(--muted)}
.footer-cta .btn{height:46px;padding:0 30px}
.site-footer{background:rgba(7,11,10,.92);border-top:1px solid rgba(0,224,122,.1);margin-top:0}
.footer-grid{display:grid;grid-template-columns:2.1fr 1fr 1.2fr 1.7fr;gap:40px;padding-top:60px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--muted);max-width:310px}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--muted);line-height:1.6;transition:color .18s,padding-left .18s}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-safe{padding:14px 16px;font-size:13px;color:var(--muted);line-height:1.8;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}
.footer-safe strong{display:block;font-size:14px;color:var(--primary);margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:22px 0;text-align:center}
.footer-bottom p{font-size:13px;color:var(--dim);line-height:1.6}
.mobile-cta .btn{width:100%;margin-top:10px}
@media (max-width:1024px){
:root{--spacer:64px}
.footer-grid{grid-template-columns:1fr 1fr;gap:34px}
.footer-brand p{max-width:100%}
.header-left{gap:20px}
.main-nav{gap:2px}
.nav-link{padding:0 8px}
.search-input{width:130px}
}
@media (max-width:768px){
.site-header .header-inner{min-height:60px}
.main-nav{position:fixed;top:0;right:0;bottom:0;width:min(80vw,340px);display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:rgba(9,14,12,.98);padding:86px 28px 40px;box-shadow:-14px 0 40px rgba(0,0,0,.3);border-left:1px solid rgba(0,224,122,.12);transform:translateX(105%);transition:transform .32s ease-in-out;overflow-y:auto}
.main-nav.open{transform:translateX(0)}
.main-nav .nav-link{width:100%;height:48px;font-size:22px;align-items:center;justify-content:flex-start;color:var(--body)}
.main-nav .nav-link.active::after{left:14px;right:auto;width:32px;height:2px;background:var(--primary)}
.main-nav .mobile-cta{display:grid;width:100%;gap:10px;margin-top:32px;padding-top:28px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-cta .btn{display:flex;width:100%}
.search-wrap{justify-content:flex-end}
.search-panel{display:none;position:absolute;top:72px;right:20px;left:20px;background:#0C1311;border:1px solid rgba(0,224,122,.18);padding:10px;border-radius:12px;box-shadow:var(--shadow);z-index:99}
.search-wrap.is-open .search-panel{display:block}
.search-wrap.is-open .search-input{width:100%}
.search-btn{display:flex}
.nav-toggle{display:flex}
.nav-login-btn{display:none}
.article-main{padding-top:20px}
.crumb-row{margin-bottom:22px}
.post-title{font-size:clamp(24px,5vw,32px)}
.related-grid{grid-template-columns:1fr}
.footer-cta .container{padding-top:34px;padding-bottom:38px}
.footer-cta h2{font-size:24px}
}
@media (max-width:520px){
.container{padding:0 16px}
.reader-wrap{padding:0 15px}
.footer-cta{margin-top:52px}
.footer-cta .btn{width:100%}
.post-meta{gap:8px}
.post-body{font-size:16px}
.post-body p{text-align:left}
.post-body blockquote{padding:14px 16px}
.crumb-row .current{max-width:46%}
.post-notfound{padding:56px 18px}
.post-notfound .btn{width:100%}
.footer-grid{grid-template-columns:1fr;gap:30px;padding-top:44px}
.header-left{gap:12px}
.brand-text{font-size:16px}
.brand-mark{width:32px;height:32px}
}

/* roulang page: category2 */
:root{
  --bg:#0C1311;
  --surface:#111A17;
  --surface-2:#15211D;
  --line:rgba(0,224,122,0.12);
  --line-strong:rgba(0,224,122,0.34);
  --green:#00E07A;
  --green-dark:#00C96E;
  --ink:#06221B;
  --lime:#D7FF3E;
  --text:#F2F7F2;
  --body:#C7D2CC;
  --muted:#7A8A80;
  --dim:#4D5A52;
  --r-sm:8px;
  --r-md:14px;
  --r-full:999px;
  --shadow:0 4px 20px rgba(0,0,0,0.2);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.28);
  --container:1200px;
  --section-space:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit;border:0;outline:none}
ul,ol{list-style:none;margin:0;padding:0}
p,h1,h2,h3,h4{margin:0}
.container{width:min(var(--container),92vw);margin:0 auto}
.section{padding:var(--section-space) 0}
.section-head{margin-bottom:44px}
.section-head.centered{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--green);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--green);display:inline-block}
.eyebrow.left-arrow::before{content:none}
.section h2{
  color:var(--text);
  font-size:34px;
  font-weight:600;
  line-height:1.35;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8}
.text-green{color:var(--green)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--green);color:var(--ink)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,224,122,.18)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:rgba(255,255,255,.02);border-color:rgba(242,247,242,.3);color:var(--text)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:rgba(0,224,122,.04)}
.btn-lg{min-height:52px;padding:14px 32px;font-size:16px}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--green);outline-offset:3px;border-radius:6px;
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(12,19,17,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,224,122,.1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.header-left{display:flex;align-items:center;gap:32px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(0,224,122,.07);border:1px solid rgba(0,224,122,.18)}
.brand-mark svg{display:block}
.brand-text{font-size:18px;font-weight:650;color:var(--text);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-sm);
  color:var(--body);font-size:14.5px;font-weight:500;line-height:1.4;
  position:relative;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(0,224,122,.05)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:-2px;height:2px;background:var(--green);border-radius:2px}
.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-sm);color:var(--body);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--green);color:var(--green)}
.search-wrap{position:relative;display:flex;align-items:center;gap:8px}
.search-panel{max-width:0;overflow:hidden;transition:max-width .35s ease}
.search-wrap.active .search-panel{max-width:200px}
.search-input{
  width:200px;height:40px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  color:var(--text);font-size:14px;
}
.search-input:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(0,224,122,.12)}
.btn-sm{min-height:38px;padding:7px 15px;font-size:14px}
.mobile-cta{display:none}
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;background:rgba(255,255,255,.02);border-radius:var(--r-sm);cursor:pointer;border:1px solid rgba(255,255,255,.06);
}
.nav-toggle span{width:18px;height:2px;background:var(--body);border-radius:2px;transition:all .3s ease}
.nav-toggle:hover span{background:var(--green)}

/* Page title */
.page-title-section{
  position:relative;
  padding:64px 0 86px;
  background:linear-gradient(90deg,rgba(12,19,17,.97) 18%,rgba(12,19,17,.9) 50%,rgba(14,28,22,.76) 100%),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-bottom:1px solid rgba(0,224,122,.1);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--body)}
.page-title-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:end}
.page-title-main h1{
  color:var(--text);
  font-size:min(54px,6.4vw);
  font-weight:700;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-title-main h1 .hl{color:var(--green)}
.page-title-main .page-lead{font-size:17px;line-height:1.9;color:var(--body);max-width:600px}
.page-title-aside .title-card{
  background:rgba(17,26,23,.7);border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(8px);padding:24px 28px;
}
.title-card .status-head{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:600;margin-bottom:14px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(0,224,122,.14)}
.title-card ul{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--body)}
.title-card ul b{color:var(--text);font-weight:600}
.title-meta{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.1);font-size:13px;color:var(--muted)}

/* Trust band */
.trust-band{background:rgba(0,224,122,.04);border-bottom:1px solid rgba(0,224,122,.1)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:18px 0}
.trust-chip{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--body);padding:4px 2px}
.trust-chip .chip-icon{width:30px;height:30px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:rgba(0,224,122,.1);color:var(--green)}
.trust-chip strong{color:var(--text);font-weight:600}

/* Split feature */
.split-section{background:linear-gradient(180deg,var(--bg) 0%,#0F1814 100%)}
.split-grid{display:grid;grid-template-columns:52% 1fr;gap:72px;align-items:center}
.split-media{position:relative}
.split-media img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%;border:1px solid var(--line);box-shadow:var(--shadow);background:#131D19}
.media-stamp{
  position:absolute;left:20px;bottom:20px;padding:12px 16px;
  background:rgba(6,34,27,.86);border:1px solid rgba(0,224,122,.45);border-radius:var(--r-sm);
  color:var(--text);font-size:13px;display:flex;align-items:center;gap:10px;
}
.media-stamp .mini-dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.split-content .eyebrow{margin-bottom:12px}
.split-content h2{font-size:36px;line-height:1.3}
.split-content > p{margin:18px 0 26px;color:var(--body)}
.check-list{display:flex;flex-direction:column;gap:14px;margin-bottom:34px}
.check-list li{position:relative;padding-left:32px;font-size:15.5px;line-height:1.8;color:var(--body)}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,224,122,.12);color:var(--green);border-radius:6px;font-size:12px;font-weight:700;
}
.check-list strong{color:var(--text);font-weight:600}

/* Strip list */
.strip-section{background:var(--surface)}
.strip-list{display:flex;flex-direction:column;gap:16px}
.strip-item{
  display:grid;grid-template-columns:64px 60px 1fr;
  gap:26px;align-items:center;
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-md);
  padding:26px 30px;
  transition:border-color .25s ease,background .25s ease,transform .2s ease;
}
.strip-item:hover{border-color:var(--line-strong);background:rgba(0,224,122,.035)}
.strip-index{font-family:"SFMono-Regular",Consolas,ui-monospace,monospace;font-size:22px;color:var(--lime);font-weight:600}
.strip-icon{width:56px;height:56px;border-radius:14px;background:rgba(0,224,122,.07);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--green)}
.strip-item h3{color:var(--text);font-size:20px;font-weight:600;margin-bottom:8px;line-height:1.5}
.strip-item p{color:var(--body);font-size:15px;max-width:900px}

/* Step section */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.05);
  border-radius:var(--r-md);padding:32px 24px;position:relative;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-num{font-family:"SFMono-Regular",Consolas,ui-monospace,monospace;font-size:15px;color:var(--lime);font-weight:600;letter-spacing:.04em}
.step-num strong{display:block;font-size:42px;font-weight:700;color:var(--text);line-height:1.15;margin:10px 0 6px}
.step-card h3{font-size:20px;font-weight:600;color:var(--text);margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--body)}
.step-card .step-line{position:absolute;right:0;top:0;width:3px;height:52px;background:var(--green);border-radius:0 0 3px 3px}

/* FAQ */
.faq-section{background:linear-gradient(180deg,var(--bg),var(--surface))}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:64px}
.faq-intro{position:sticky;top:130px;align-self:start}
.faq-intro .eyebrow{margin-bottom:14px}
.faq-intro h2{font-size:36px;line-height:1.35;margin-bottom:18px}
.faq-intro p{color:var(--muted);font-size:15.5px;max-width:320px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.open{border-color:rgba(0,224,122,.34)}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:20px 22px;cursor:pointer;text-align:left;background:transparent;
  color:var(--text);font-size:17px;font-weight:500;line-height:1.5;
}
.faq-question:hover{color:var(--green)}
.faq-icon{width:26px;height:26px;flex-shrink:0;position:relative;margin-left:16px;border-radius:50%;background:rgba(0,224,122,.12)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:11px;height:2px;background:var(--green);border-radius:2px;transition:transform .25s ease}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-answer{max-height:380px}
.faq-answer p{padding:0 22px 22px;color:var(--body);font-size:15px;line-height:1.9}
.faq-item .faq-answer p{border-top:1px dotted rgba(255,255,255,.09);padding-top:16px}

/* CTA */
.cta-section{padding:80px 0}
.cta-box{
  background:rgba(0,224,122,.06);
  border:1px solid rgba(0,224,122,.2);
  border-radius:20px;
  padding:72px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(0,224,122,.09),transparent 70%);
  pointer-events:none;
}
.cta-box h2{font-size:36px;color:var(--text);font-weight:600;margin-bottom:14px;line-height:1.3}
.cta-box .cta-lead{color:var(--body);max-width:680px;margin:0 auto 30px;font-size:16px}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.cta-tip{color:var(--muted);font-size:13.5px;line-height:1.8}
.cta-tip strong{color:var(--green);font-weight:600}

/* Footer */
.site-footer{
  background:#0A100D;
  border-top:1px solid rgba(0,224,122,.1);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr 1fr 1.2fr;gap:40px;padding-bottom:46px}
.footer-grid .brand{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.9;max-width:320px}
.footer-col .footer-title{color:var(--text);font-weight:600;font-size:16px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--green);padding-left:5px}
.footer-safe{color:var(--muted);font-size:14px;line-height:1.9;background:rgba(0,224,122,.04);border:1px solid rgba(0,224,122,.1);border-radius:12px;padding:16px 18px}
.footer-safe strong{color:var(--text);display:block;margin-bottom:6px;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;text-align:center}
.footer-bottom p{color:var(--dim);font-size:13px}

/* Responsive */
@media(max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px}
  .split-grid{gap:44px;grid-template-columns:1fr 1fr}
  .split-content h2{font-size:30px}
  .faq-grid{grid-template-columns:1fr;gap:40px}
  .faq-intro{position:static;max-width:640px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .header-inner{min-height:60px}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:1005;
    width:min(82vw,380px);background:#0D1512;
    display:flex;flex-direction:column;align-items:flex-start;gap:6px;
    padding:86px 32px 40px;overflow-y:auto;
    transform:translateX(105%);transition:transform .35s ease;
    box-shadow:-16px 0 48px rgba(0,0,0,.42);
    border-left:1px solid rgba(0,224,122,.12);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{font-size:20px;width:100%;padding:13px 6px}
  .nav-link::after{content:none}
  .nav-link.active{color:var(--green)}
  .header-right .nav-login-btn{display:none}
  .mobile-cta{display:flex;flex-direction:column;gap:14px;width:100%;margin-top:32px}
  .mobile-cta .btn{width:100%}
  .nav-toggle{display:flex}
  .page-title-grid{grid-template-columns:1fr;gap:36px;align-items:start}
  .page-title-main h1{font-size:min(44px,11vw)}
  .trust-row{grid-template-columns:repeat(2,1fr)}
  .split-grid{grid-template-columns:1fr;gap:36px}
  .split-media img{aspect-ratio:16/10}
  .strip-item{grid-template-columns:50px 1fr;gap:18px}
  .strip-index{grid-row:span 2}
  .strip-icon{display:none}
  .cta-box{padding:52px 26px}
}
@media(max-width:560px){
  .search-panel{display:none}
  .trust-row{grid-template-columns:1fr 1fr;gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .trust-chip{font-size:13px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}