/* roulang page: index */
:root{
  --st-void:#070A18;
  --st-panel:#101427;
  --st-panel-2:#161C33;
  --st-grad-main:linear-gradient(160deg,#2B3A8F,#6D4AC9);
  --st-gold:#F2C879;
  --st-gold-2:#E9B45C;
  --st-mint:#4FE0D0;
  --st-text:rgba(232,236,248,.86);
  --st-text-2:rgba(232,236,248,.58);
  --st-line:rgba(255,255,255,.14);
  --st-line-2:rgba(255,255,255,.08);
  --st-warn:#FF8A5B;
  --st-r-card:18px;
  --st-r-btn:12px;
  --st-r-pill:999px;
  --st-shadow:0 18px 40px -18px rgba(0,0,0,.45);
  --st-shadow-sm:0 10px 26px -16px rgba(0,0,0,.5);
  --st-max:1240px;
  --st-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --st-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:88px;
  background:var(--st-void);
  color:var(--st-text);
  font-family:var(--st-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 11% 17%, rgba(255,255,255,.12), transparent 62%),
    radial-gradient(1.6px 1.6px at 76% 11%, rgba(242,200,121,.12), transparent 62%),
    radial-gradient(1.4px 1.4px at 33% 44%, rgba(255,255,255,.08), transparent 62%),
    radial-gradient(1.4px 1.4px at 88% 58%, rgba(255,255,255,.09), transparent 62%),
    radial-gradient(1.4px 1.4px at 57% 78%, rgba(79,224,208,.09), transparent 62%),
    radial-gradient(1.2px 1.2px at 21% 86%, rgba(255,255,255,.07), transparent 62%),
    radial-gradient(900px 620px at 18% -6%, rgba(43,58,143,.34), transparent 68%),
    radial-gradient(760px 520px at 92% 8%, rgba(109,74,201,.22), transparent 70%);
  opacity:.95;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(1100px 700px at 50% 0%, rgba(7,10,24,0) 40%, rgba(7,10,24,.6) 100%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--st-mint);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--st-gold)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--st-serif);color:#fff;letter-spacing:-.01em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--st-gold);outline-offset:3px;border-radius:6px}
.container{max-width:var(--st-max);padding-left:24px;padding-right:24px}
.st-main{position:relative;z-index:1}
.st-sec{padding:112px 0;position:relative}
.st-sec-sm{padding:76px 0}
.st-sec-head{max-width:760px;margin-bottom:52px}
.st-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;
  color:var(--st-gold);text-transform:uppercase;margin-bottom:16px;
}
.st-eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--st-gold),transparent)}
.st-h2{font-size:30px;line-height:1.36;margin-bottom:14px}
.st-h3{font-size:22px;line-height:1.45}
.st-lead{color:var(--st-text-2);font-size:16px;line-height:1.85}
.st-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ===== 按钮 ===== */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--st-r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .24s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
  text-decoration:none;line-height:1.2;
}
.st-btn-primary{
  background:linear-gradient(120deg,var(--st-gold),var(--st-gold-2));
  color:#1A1408;
  box-shadow:0 0 0 1px rgba(242,200,121,.35),0 0 24px -6px rgba(242,200,121,.55);
}
.st-btn-primary:hover{color:#120D04;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,200,121,.55),0 0 30px -4px rgba(242,200,121,.72)}
.st-btn-primary:active{transform:translateY(0)}
.st-btn-ghost{
  background:rgba(255,255,255,.05);border-color:var(--st-line);color:#fff;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.st-btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(242,200,121,.42);color:#fff;transform:translateY(-2px)}
.st-btn-ghost:active{transform:translateY(0)}
.st-btn-sm{padding:10px 18px;font-size:14px}
.st-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--st-gold)}
.st-link-arrow span{transition:transform .22s ease}
.st-link-arrow:hover{color:var(--st-gold-2)}
.st-link-arrow:hover span{transform:translateX(4px)}

/* ===== 标签 ===== */
.st-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--st-r-pill);
  font-size:12.5px;line-height:1.6;border:1px solid var(--st-line);
  background:rgba(79,224,208,.1);color:var(--st-mint);
}
.st-tag-gold{background:rgba(242,200,121,.08);color:var(--st-gold);border-color:rgba(242,200,121,.3)}

/* ===== 头部 ===== */
.st-header{
  position:fixed;top:0;left:0;right:0;z-index:90;padding:20px 0;
  border-bottom:1px solid transparent;
  transition:padding .28s ease,background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.st-header.is-scrolled{
  padding:8px 0;background:rgba(9,12,26,.74);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--st-line-2);
}
.st-header-inner{display:flex;align-items:center;gap:20px;justify-content:space-between}
.st-brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;text-decoration:none}
.st-brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:var(--st-grad-main);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 12px 26px -14px rgba(109,74,201,.95);
}
.st-brand-mark svg{width:24px;height:24px;display:block}
.st-brand-text{display:flex;flex-direction:column;line-height:1.1}
.st-brand-name{font-family:var(--st-serif);font-size:19px;color:#fff;letter-spacing:.02em}
.st-brand-sub{font-size:11.5px;color:var(--st-gold);letter-spacing:.18em;margin-top:3px}
.st-nav{
  display:flex;align-items:center;gap:6px;padding:6px;border-radius:var(--st-r-pill);
  background:rgba(255,255,255,.035);border:1px solid var(--st-line-2);
}
.st-chip{
  padding:8px 17px;border-radius:var(--st-r-pill);font-size:14px;color:var(--st-text-2);
  border:1px solid transparent;white-space:nowrap;text-decoration:none;transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.st-chip:hover{color:#fff;background:rgba(255,255,255,.06);border-color:var(--st-line)}
.st-chip.is-active{
  color:var(--st-gold);background:rgba(242,200,121,.09);border-color:rgba(242,200,121,.45);
  box-shadow:0 0 18px -6px rgba(242,200,121,.5);
}
.st-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.st-icon-btn{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.045);border:1px solid var(--st-line);color:var(--st-text);
  cursor:pointer;transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.st-icon-btn:hover{background:rgba(255,255,255,.09);border-color:rgba(242,200,121,.38);color:var(--st-gold)}
.st-icon-btn svg{width:18px;height:18px}
.st-burger{display:none}
.st-quick{
  position:absolute;top:calc(100% + 10px);right:24px;width:min(340px,calc(100vw - 48px));
  padding:18px;border-radius:var(--st-r-card);
  background:rgba(16,20,39,.94);border:1px solid var(--st-line);box-shadow:var(--st-shadow);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  display:none;
}
.st-quick.is-open{display:block}
.st-quick-title{font-size:13px;color:var(--st-text-2);margin-bottom:12px}
.st-quick-list{display:flex;flex-wrap:wrap;gap:8px}
.st-quick-list a{
  padding:7px 14px;border-radius:var(--st-r-pill);font-size:13.5px;color:var(--st-text);
  border:1px solid var(--st-line);background:rgba(255,255,255,.04);transition:.22s;
}
.st-quick-list a:hover{border-color:rgba(242,200,121,.45);color:var(--st-gold)}
.st-drawer{
  display:none;position:fixed;inset:0;z-index:110;
  background:rgba(5,7,15,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:96px 24px 32px;
}
.st-drawer.is-open{display:block}
.st-drawer-close{
  position:absolute;top:22px;right:24px;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--st-line);color:#fff;display:grid;place-items:center;
}
.st-drawer-nav{display:flex;flex-direction:column;gap:10px}
.st-drawer-nav a{
  padding:15px 18px;border-radius:14px;color:var(--st-text);font-size:16px;
  border:1px solid var(--st-line-2);background:rgba(255,255,255,.03);
}
.st-drawer-nav a.is-active{color:var(--st-gold);border-color:rgba(242,200,121,.45);background:rgba(242,200,121,.07)}
.st-drawer-cta{margin-top:22px}

/* ===== 首屏 ===== */
.st-hero{position:relative;padding:64px 0 96px;overflow:hidden}
.st-hero-title{font-size:40px;line-height:1.28;margin:18px 0 0}
.st-hero-sub{color:var(--st-text-2);font-size:17px;line-height:1.85;margin-top:20px;max-width:34em}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.st-hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:48px;padding-top:30px;border-top:1px solid var(--st-line-2)}
.st-hero-stat strong{display:block;font-family:var(--st-serif);font-size:28px;line-height:1.2;color:var(--st-gold)}
.st-hero-stat span{display:block;font-size:13px;color:var(--st-text-2);margin-top:6px}
.st-hero-visual{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--st-line);box-shadow:var(--st-shadow)}
.st-hero-visual img{width:100%;height:460px;object-fit:cover}
.st-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.2) 0%,rgba(7,10,24,.55) 55%,rgba(7,10,24,.9) 100%);
}
.st-hero-badge{
  position:absolute;left:22px;bottom:22px;right:22px;z-index:2;
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;
  background:rgba(16,20,39,.72);border:1px solid var(--st-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.st-hero-badge-icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(242,200,121,.12);border:1px solid rgba(242,200,121,.32);
}
.st-hero-badge-icon svg{width:18px;height:18px}
.st-hero-badge b{display:block;font-size:14.5px;color:#fff;font-weight:600}
.st-hero-badge em{display:block;font-size:12.5px;color:var(--st-text-2);font-style:normal}

/* ===== 卡片三体系 ===== */
.st-card-outline{
  border:1px solid var(--st-line);background:transparent;border-radius:var(--st-r-card);
  padding:28px 26px;height:100%;transition:border-color .24s ease,background .24s ease,transform .24s ease;
}
.st-card-outline:hover{border-color:rgba(242,200,121,.35);background:rgba(255,255,255,.02);transform:translateY(-3px)}
.st-card-outline .st-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;
  background:rgba(255,255,255,.05);border:1px solid var(--st-line);
}
.st-card-outline .st-ico svg{width:21px;height:21px}
.st-card-outline h3{font-size:19px;margin-bottom:12px}
.st-card-outline p{color:var(--st-text-2);font-size:15px;line-height:1.8}
.st-card-outline .st-link-arrow{margin-top:18px}

.st-glass{
  position:relative;border-radius:var(--st-r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--st-line);box-shadow:var(--st-shadow);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  overflow:hidden;
}
.st-glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(255,255,255,.14);
}
.st-solution-card{padding:26px}
.st-solution-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid var(--st-line-2)}
.st-solution-card h3{font-size:19px;margin:20px 0 10px}
.st-solution-card p{color:var(--st-text-2);font-size:14.5px;line-height:1.8}
.st-sticky-col{position:sticky;top:120px}

/* ===== 数据带 ===== */
.st-band{
  border-top:1px solid var(--st-line-2);border-bottom:1px solid var(--st-line-2);
  background:linear-gradient(180deg,rgba(16,20,39,.85),rgba(7,10,24,.9));
  position:relative;overflow:hidden;
}
.st-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 14% 30%, rgba(255,255,255,.11), transparent 62%),
    radial-gradient(1.5px 1.5px at 62% 22%, rgba(242,200,121,.12), transparent 62%),
    radial-gradient(1.4px 1.4px at 84% 70%, rgba(255,255,255,.09), transparent 62%),
    radial-gradient(1.4px 1.4px at 38% 78%, rgba(79,224,208,.1), transparent 62%);
}
.st-band-grid{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.st-band-cell{padding:46px 30px;border-left:1px solid var(--st-line-2)}
.st-band-cell:first-child{border-left:0}
.st-band-cell strong{display:block;font-family:var(--st-serif);font-size:34px;line-height:1.15;color:var(--st-gold)}
.st-band-cell span{display:block;font-size:13.5px;color:var(--st-text-2);margin-top:10px;line-height:1.7}

/* ===== 证言 ===== */
.st-scroll-x{
  display:flex;gap:22px;overflow-x:auto;padding:6px 24px 22px;margin:0 -24px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.st-scroll-x::-webkit-scrollbar{display:none}
.st-quote{
  flex:0 0 360px;scroll-snap-align:start;padding:30px 28px;border-radius:var(--st-r-card);
}
.st-quote-mark{font-family:var(--st-serif);font-size:46px;line-height:.7;color:rgba(242,200,121,.42);margin-bottom:18px}
.st-quote p{color:var(--st-text);font-size:15.5px;line-height:1.85}
.st-quote-foot{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--st-line-2)}
.st-avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:var(--st-grad-main);color:#fff;font-size:14px;font-weight:600;font-family:var(--st-serif);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.st-quote-foot b{display:block;font-size:14.5px;color:#fff;font-weight:600}
.st-quote-foot em{display:block;font-size:12.5px;color:var(--st-text-2);font-style:normal}

/* ===== 最新信息 ===== */
.st-news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.st-news-lead{display:block;height:100%;overflow:hidden}
.st-news-lead-media{display:block;overflow:hidden}
.st-news-lead-media img{width:100%;height:262px;object-fit:cover;transition:transform .5s ease}
.st-news-lead:hover .st-news-lead-media img{transform:scale(1.04)}
.st-news-lead-body{padding:26px}
.st-news-lead-body h3{font-size:21px;line-height:1.5;margin:14px 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st-news-lead-body h3 a{color:#fff;text-decoration:none}
.st-news-lead-body h3 a:hover{color:var(--st-gold)}
.st-news-lead-body p{color:var(--st-text-2);font-size:14.5px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st-news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--st-text-2);min-height:20px}
.st-news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--st-line)}
.st-news-side{display:flex;flex-direction:column;gap:20px;height:100%}
.st-news-mini{display:flex;gap:16px;padding:16px;border-radius:16px;text-decoration:none;
  border:1px solid var(--st-line-2);background:rgba(255,255,255,.025);
  transition:transform .24s ease,border-color .24s ease,background .24s ease}
.st-news-mini:hover{transform:translateY(-2px);border-color:rgba(242,200,121,.3);background:rgba(255,255,255,.045)}
.st-news-mini img{width:108px;height:82px;object-fit:cover;border-radius:12px;flex:0 0 auto;border:1px solid var(--st-line-2)}
.st-news-mini-body{min-width:0}
.st-news-mini-body h3{font-size:15.5px;line-height:1.55;color:#fff;font-weight:400;font-family:var(--st-sans);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st-news-mini:hover h3{color:var(--st-gold)}
.st-news-mini-body p{margin-top:8px;font-size:13px;color:var(--st-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st-empty{
  padding:56px 28px;border-radius:var(--st-r-card);border:1px dashed var(--st-line);
  text-align:center;background:rgba(255,255,255,.02);
}
.st-empty svg{width:34px;height:34px;margin-bottom:16px}
.st-empty p{color:var(--st-text-2);font-size:15px;margin-bottom:20px}
.st-empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== FAQ ===== */
.st-faq .accordion-item{
  background:transparent;border:1px solid var(--st-line);border-radius:16px;margin-bottom:14px;overflow:hidden;
}
.st-faq .accordion-item:last-child{margin-bottom:0}
.st-faq .accordion-button{
  background:transparent;color:#fff;font-size:16px;font-family:var(--st-sans);font-weight:600;
  padding:20px 58px 20px 22px;box-shadow:none;border-radius:16px;position:relative;line-height:1.6;
}
.st-faq .accordion-button::after{
  content:"+";display:grid;place-items:center;position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;background:rgba(242,200,121,.1);
  border:1px solid rgba(242,200,121,.34);color:var(--st-gold);font-size:16px;line-height:1;
  background-image:none;margin:0;transition:background .22s ease,transform .22s ease;
}
.st-faq .accordion-button:not(.collapsed)::after{content:"−";background:rgba(242,200,121,.2);transform:translateY(-50%) rotate(180deg)}
.st-faq .accordion-button:not(.collapsed){color:var(--st-gold);background:rgba(242,200,121,.04);box-shadow:none}
.st-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.st-faq .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;background:var(--st-gold);border-radius:2px}
.st-faq .accordion-body{padding:0 22px 22px;color:var(--st-text-2);font-size:15px;line-height:1.85}

/* ===== CTA ===== */
.st-cta{
  position:relative;text-align:center;padding:78px 24px;border-radius:26px;overflow:hidden;
  border:1px solid var(--st-line);background:rgba(16,20,39,.6);
}
.st-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 320px at 50% 0%, rgba(242,200,121,.16), transparent 72%);
}
.st-cta-inner{position:relative;max-width:640px;margin:0 auto}
.st-cta h2{font-size:30px;line-height:1.4;margin-bottom:16px}
.st-cta p{color:var(--st-text-2);font-size:16px;line-height:1.85}
.st-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.st-cta-note{margin-top:22px;font-size:13px;color:var(--st-text-2)}

/* ===== 页脚 ===== */
.st-footer{position:relative;z-index:1;background:#05070F;border-top:1px solid var(--st-line-2);margin-top:20px}
.st-footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding:76px 0 56px}
.st-footer h4{font-family:var(--st-sans);font-size:14px;color:#fff;font-weight:600;letter-spacing:.06em;margin-bottom:20px}
.st-footer p{color:var(--st-text-2);font-size:14px;line-height:1.85}
.st-footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.st-footer-links{display:flex;flex-direction:column;gap:12px}
.st-footer-links a{color:var(--st-text-2);font-size:14px;text-decoration:none}
.st-footer-links a:hover{color:var(--st-gold)}
.st-footer-line{color:var(--st-text-2);font-size:14px;margin-bottom:10px}
.st-footer-bottom{
  border-top:1px solid var(--st-line-2);padding:24px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--st-text-2);
}

/* ===== 动效 ===== */
.st-reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.st-reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1399.98px){
  .st-hero-visual img{height:430px}
}
@media (max-width:1199.98px){
  .st-sec{padding:92px 0}
  .st-hero-title{font-size:34px}
  .st-hero-visual img{height:390px}
  .st-nav{display:none}
  .st-burger{display:grid}
  .st-footer-main{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  body{padding-top:80px}
  .st-sec{padding:74px 0}
  .st-sec-head{margin-bottom:38px}
  .st-h2{font-size:26px}
  .st-hero{padding:36px 0 70px}
  .st-hero-title{font-size:30px}
  .st-hero-visual{margin-top:22px}
  .st-hero-visual img{height:330px}
  .st-hero-stats{gap:26px;margin-top:36px}
  .st-hero-stat strong{font-size:24px}
  .st-band-grid{grid-template-columns:repeat(2,1fr)}
  .st-band-cell:nth-child(3){border-left:0}
  .st-band-cell{border-top:1px solid var(--st-line-2);padding:34px 22px}
  .st-band-cell:nth-child(1),.st-band-cell:nth-child(2){border-top:0}
  .st-sticky-col{position:static;margin-bottom:32px}
  .st-cta h2{font-size:25px}
  .st-quote{flex:0 0 300px}
}
@media (max-width:767.98px){
  .st-cta-sm{display:none}
  .st-news-lead-media img{height:210px}
  .st-news-mini img{width:92px;height:74px}
  .container{padding-left:18px;padding-right:18px}
  .st-scroll-x{padding-left:18px;padding-right:18px;margin:0 -18px}
  .st-quote{flex:0 0 min(78vw,320px)}
}
@media (max-width:575.98px){
  .st-hero-title{font-size:26px}
  .st-h2{font-size:22px}
  .st-h3{font-size:19px}
  .st-hero-sub{font-size:15.5px}
  .st-hero-actions .st-btn{width:100%}
  .st-hero-visual img{height:260px}
  .st-hero-badge{left:14px;right:14px;bottom:14px;padding:12px}
  .st-brand-sub{letter-spacing:.1em}
  .st-footer-main{grid-template-columns:1fr;gap:32px;padding:56px 0 40px}
  .st-cta{padding:52px 20px}
  .st-news-mini{flex-direction:column}
  .st-news-mini img{width:100%;height:140px}
  .st-news-lead-body{padding:20px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .st-reveal{opacity:1 !important;transform:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --st-void:#070A18;
  --st-panel:#101427;
  --st-panel-2:#161C33;
  --st-grad-main:linear-gradient(160deg,#2B3A8F,#6D4AC9);
  --st-gold:#F2C879;
  --st-gold-deep:#E9A94F;
  --st-mint:#4FE0D0;
  --st-text:rgba(232,236,248,.86);
  --st-text-2:rgba(232,236,248,.58);
  --st-line:rgba(255,255,255,.14);
  --st-line-soft:rgba(255,255,255,.08);
  --st-danger:#FF8A5B;
  --st-r-card:18px;
  --st-r-btn:12px;
  --st-shadow:0 18px 40px -18px rgba(0,0,0,.45);
  --st-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --st-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Arial,sans-serif;
  --st-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--st-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--st-text);
  background-color:var(--st-void);
  background-image:
    radial-gradient(1.6px 1.6px at 8% 12%,rgba(255,255,255,.12),transparent 60%),
    radial-gradient(1.4px 1.4px at 22% 46%,rgba(255,255,255,.10),transparent 60%),
    radial-gradient(1.6px 1.6px at 34% 8%,rgba(255,255,255,.08),transparent 60%),
    radial-gradient(1.4px 1.4px at 58% 62%,rgba(255,255,255,.09),transparent 60%),
    radial-gradient(1.6px 1.6px at 72% 22%,rgba(255,255,255,.11),transparent 60%),
    radial-gradient(1.4px 1.4px at 88% 74%,rgba(255,255,255,.08),transparent 60%),
    radial-gradient(1.6px 1.6px at 46% 88%,rgba(255,255,255,.07),transparent 60%),
    radial-gradient(760px 540px at 8% -8%,rgba(109,74,201,.24),transparent 72%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;color:#fff;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
::selection{background:rgba(242,200,121,.28);color:#fff}
.st-skip{position:absolute;left:-9999px;top:0;padding:10px 16px;background:var(--st-gold);color:#1A1408;border-radius:0 0 10px 0;font-size:14px;z-index:2000}
.st-skip:focus{left:0}
.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:24px}
.st-progress{position:fixed;top:0;left:0;width:100%;height:2px;z-index:1200;pointer-events:none}
.st-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#F2C879,#E9A94F);box-shadow:0 0 12px rgba(242,200,121,.6)}

/* ===== 顶部导航 ===== */
.st-header{position:sticky;top:0;z-index:1030;background:rgba(7,10,24,.70);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--st-line-soft);transition:background .25s ease,box-shadow .25s ease}
.st-header.is-scrolled{background:rgba(7,10,24,.92);box-shadow:0 12px 30px -18px rgba(0,0,0,.75)}
.st-header-inner{display:flex;align-items:center;gap:20px;min-height:78px;transition:min-height .25s ease}
.st-header.is-scrolled .st-header-inner{min-height:66px}
.st-brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.st-brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--st-grad-main);border:1px solid rgba(255,255,255,.16);box-shadow:0 10px 24px -14px rgba(109,74,201,.9)}
.st-brand-mark svg{width:22px;height:22px}
.st-brand-text{display:flex;flex-direction:column;line-height:1.16}
.st-brand-name{font-family:var(--st-serif);font-size:18px;font-weight:600;color:#fff;letter-spacing:.02em}
.st-brand-sub{font-size:11px;color:var(--st-text-2);letter-spacing:.14em}
.st-nav{display:flex;align-items:center;justify-content:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.st-nav::-webkit-scrollbar{display:none}
.st-chip{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;font-size:14px;color:var(--st-text-2);border:1px solid rgba(255,255,255,.10);border-radius:999px;background:transparent;transition:color .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.st-chip:hover{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22)}
.st-chip.is-active{color:var(--st-gold);background:rgba(242,200,121,.08);border-color:rgba(242,200,121,.55);box-shadow:0 0 18px -6px rgba(242,200,121,.5)}
.st-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.st-icon-btn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;background:rgba(255,255,255,.05);border:1px solid var(--st-line);color:var(--st-text);cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease}
.st-icon-btn:hover{color:var(--st-gold);border-color:rgba(242,200,121,.45);background:rgba(242,200,121,.06)}
.st-icon-btn:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px}
.st-icon-btn svg{width:19px;height:19px}
.st-burger{display:none}
.st-quick{position:absolute;top:100%;right:24px;width:286px;padding:16px 18px 18px;background:rgba(12,16,32,.97);border:1px solid var(--st-line);border-radius:18px;box-shadow:var(--st-shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);display:none;z-index:1035}
.st-quick.is-open{display:block}
.st-quick-title{margin:0 0 10px;font-size:13px;color:var(--st-text-2)}
.st-quick-list{display:flex;flex-direction:column;gap:4px}
.st-quick-list a{padding:8px 10px;border-radius:10px;font-size:14px;color:var(--st-text);transition:background .2s ease,color .2s ease}
.st-quick-list a:hover{background:rgba(255,255,255,.07);color:var(--st-gold)}

/* ===== 按钮 ===== */
.st-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:600;line-height:1;border-radius:var(--st-r-btn);border:1px solid transparent;cursor:pointer;transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;white-space:nowrap}
.st-btn:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px}
.st-btn-primary{background:linear-gradient(115deg,#F2C879,#E9A94F);color:#1A1408;box-shadow:0 0 0 1px rgba(242,200,121,.35),0 0 24px -6px rgba(242,200,121,.55)}
.st-btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.st-btn-primary:active{transform:translateY(1px)}
.st-btn-ghost{background:rgba(255,255,255,.05);border-color:var(--st-line);color:var(--st-text);backdrop-filter:blur(10px)}
.st-btn-ghost:hover{border-color:rgba(242,200,121,.45);color:#fff;background:rgba(242,200,121,.07)}
.st-btn-sm{padding:10px 18px;font-size:14px}
.st-btn-row{display:flex;flex-wrap:wrap;gap:14px}
.st-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--st-gold);transition:color .2s ease}
.st-textlink i{font-style:normal;transition:transform .2s ease}
.st-textlink:hover i{transform:translateX(4px)}

/* ===== 通用板块 ===== */
.st-sec{padding:96px 0}
.st-sec-head{max-width:760px;margin-bottom:44px}
.st-sec-head h2{font-family:var(--st-serif);font-size:30px;line-height:1.4}
.st-sec-head p{margin-top:12px;font-size:15px;color:var(--st-text-2)}
.st-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--st-mint);text-transform:uppercase;margin-bottom:14px}
.st-eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--st-mint))}
.st-glass{position:relative;background:rgba(16,20,39,.74);border:1px solid var(--st-line);border-radius:var(--st-r-card);box-shadow:var(--st-shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden}
.st-glass::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent)}
.st-empty{padding:56px 32px;text-align:center}
.st-empty svg{width:44px;height:44px;margin:0 auto 18px;stroke:var(--st-gold);opacity:.8}
.st-empty h2{font-family:var(--st-serif);font-size:24px;margin-bottom:12px}
.st-empty p{color:var(--st-text-2);font-size:15px;max-width:520px;margin:0 auto 26px}

/* ===== 文章头部 ===== */
.st-article-head{padding:48px 0 44px;border-bottom:1px solid var(--st-line-soft);background:radial-gradient(640px 320px at 10% 0%,rgba(109,74,201,.20),transparent 72%)}
.st-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--st-text-2);margin-bottom:20px}
.st-crumb a{transition:color .2s ease}
.st-crumb a:hover{color:var(--st-gold)}
.st-crumb .sep{opacity:.5}
.st-crumb .is-current{color:rgba(232,236,248,.78);max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-cat-tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;margin-bottom:18px;font-size:13px;color:var(--st-mint);background:rgba(79,224,208,.10);border:1px solid rgba(79,224,208,.28);border-radius:999px}
.st-cat-tag:hover{border-color:rgba(79,224,208,.55)}
h1.st-title{font-family:var(--st-serif);font-size:40px;line-height:1.32;max-width:920px}
.st-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--st-text-2)}
.st-meta .dot{opacity:.5}
.st-meta time{font-variant-numeric:tabular-nums}
.st-cover{position:relative;margin:30px 0 0;border-radius:var(--st-r-card);overflow:hidden;border:1px solid var(--st-line);box-shadow:var(--st-shadow);aspect-ratio:16/9;background:#0B0F1F}
.st-cover img{width:100%;height:100%;object-fit:cover}
.st-cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:42%;background:linear-gradient(180deg,transparent,rgba(7,10,24,.72))}
.st-cover figcaption{position:absolute;left:20px;bottom:16px;z-index:2;font-size:13px;color:rgba(232,236,248,.78)}

/* ===== 双栏布局 ===== */
.st-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start}
.st-note{display:flex;gap:12px;align-items:flex-start;padding:14px 18px;margin-bottom:30px;border-radius:14px;background:rgba(79,224,208,.06);border:1px solid rgba(79,224,208,.22);font-size:14px;color:rgba(232,236,248,.80);line-height:1.7}
.st-note::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--st-mint);box-shadow:0 0 10px rgba(79,224,208,.8)}

/* ===== 正文排版 ===== */
.st-article-body{font-size:17px;line-height:1.85;color:var(--st-text);max-width:74ch}
.st-article-body>*:first-child{margin-top:0}
.st-article-body p{margin:0 0 20px}
.st-article-body h2{font-family:var(--st-serif);font-size:26px;line-height:1.45;margin:44px 0 18px;padding-left:14px;border-left:3px solid var(--st-gold);scroll-margin-top:110px}
.st-article-body h3{font-family:var(--st-serif);font-size:20px;line-height:1.5;margin:30px 0 14px;color:#fff;scroll-margin-top:110px}
.st-article-body h4{font-size:17px;margin:24px 0 12px}
.st-article-body strong{color:#fff;font-weight:600}
.st-article-body a{color:var(--st-mint);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.st-article-body a:hover{color:#8CF2E6}
.st-article-body blockquote{margin:26px 0;padding:18px 22px;background:rgba(255,255,255,.05);border-left:2px solid var(--st-gold);border-radius:0 12px 12px 0;color:rgba(232,236,248,.80);backdrop-filter:blur(10px)}
.st-article-body blockquote p:last-child{margin-bottom:0}
.st-article-body ul,.st-article-body ol{margin:0 0 20px;padding-left:22px}
.st-article-body ul{list-style:none;padding-left:20px}
.st-article-body ul>li{position:relative;margin:9px 0}
.st-article-body ul>li::before{content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--st-gold)}
.st-article-body ol>li{margin:9px 0;padding-left:4px}
.st-article-body ol>li::marker{color:var(--st-gold);font-variant-numeric:tabular-nums}
.st-article-body img{border-radius:12px;margin:26px auto;border:1px solid rgba(255,255,255,.10)}
.st-article-body figure{margin:26px 0}
.st-article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--st-text-2)}
.st-article-body code{font-family:var(--st-mono);font-size:.92em;padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.08);color:var(--st-mint)}
.st-article-body pre{margin:24px 0;padding:20px 22px;background:#0B0F1F;border:1px solid rgba(255,255,255,.10);border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.st-article-body pre code{background:none;padding:0;color:rgba(232,236,248,.88)}
.st-article-body table{width:100%;margin:26px 0;border-collapse:collapse;font-size:15px;border:1px solid rgba(255,255,255,.12);border-radius:12px;overflow:hidden}
.st-article-body th,.st-article-body td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
.st-article-body th{background:rgba(22,28,51,.9);color:#fff;font-weight:600}
.st-article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.st-article-body hr{margin:36px 0;border:0;border-top:1px solid var(--st-line-soft)}

/* ===== 标签 / 翻页 ===== */
.st-tags{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:44px;padding-top:26px;border-top:1px solid var(--st-line-soft)}
.st-tags-label{font-size:13px;color:var(--st-text-2)}
.st-tag-list{display:flex;flex-wrap:wrap;gap:8px}
.st-tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:13px;color:var(--st-mint);background:rgba(79,224,208,.10);border:1px solid rgba(79,224,208,.28)}
.st-tag.gold{color:var(--st-gold);background:rgba(242,200,121,.08);border-color:rgba(242,200,121,.32)}
.st-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}
.st-pager-card{display:block;padding:22px 24px;border-radius:var(--st-r-card);background:rgba(16,20,39,.70);border:1px solid var(--st-line);transition:transform .22s ease,border-color .22s ease,background .22s ease}
.st-pager-card:hover{transform:translateY(-2px);border-color:rgba(242,200,121,.35);background:rgba(22,28,51,.82)}
.st-pager-label{display:block;font-size:12px;letter-spacing:.14em;color:var(--st-text-2);margin-bottom:8px}
.st-pager-title{display:block;font-family:var(--st-serif);font-size:19px;color:#fff;margin-bottom:8px}
.st-pager-desc{display:block;font-size:14px;color:var(--st-text-2);line-height:1.7}

/* ===== 侧栏 ===== */
.st-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.st-side-card{padding:20px 20px 22px}
.st-side-card[hidden]{display:none}
.st-side-title{display:flex;align-items:center;gap:9px;font-size:15px;font-family:var(--st-sans);font-weight:600;color:#fff;margin-bottom:14px}
.st-side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--st-gold);box-shadow:0 0 10px rgba(242,200,121,.85)}
.st-toc{max-height:320px;overflow-y:auto;scrollbar-width:thin}
.st-toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.st-toc-list a{display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;font-size:14px;color:var(--st-text-2);transition:color .2s ease,background .2s ease,border-color .2s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-toc-list a:hover{color:#fff;background:rgba(255,255,255,.05)}
.st-toc-list a.is-active{color:var(--st-gold);border-left-color:var(--st-gold);background:rgba(242,200,121,.07)}
.st-toc-lv3 a{padding-left:22px;font-size:13px}
.st-side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.st-side-list a{display:block;font-size:14px;line-height:1.6;color:var(--st-text);transition:color .2s ease}
.st-side-list a:hover{color:var(--st-mint)}
.st-side-list small{display:block;margin-top:3px;font-size:12px;color:var(--st-text-2)}
.st-side-cta p{font-size:14px;line-height:1.75;color:var(--st-text-2);margin-bottom:18px}
.st-side-cta .st-btn{width:100%}

/* ===== 相关推荐图卡 ===== */
.st-media-card{display:block;height:100%;border-radius:var(--st-r-card);overflow:hidden;background:rgba(16,20,39,.74);border:1px solid var(--st-line);box-shadow:var(--st-shadow);transition:transform .22s ease,border-color .22s ease}
.st-media-card:hover{transform:translateY(-2px);border-color:rgba(242,200,121,.35)}
.st-media-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B0F1F}
.st-media-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.st-media-card:hover .st-media-img img{transform:scale(1.04)}
.st-media-img::after{content:"";position:absolute;left:0;right:0;bottom:0;height:52%;background:linear-gradient(180deg,transparent,rgba(7,10,24,.78))}
.st-media-body{padding:20px 22px 22px}
.st-media-body h3{font-family:var(--st-serif);font-size:19px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st-media-body p{font-size:14px;color:var(--st-text-2);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.st-media-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--st-text-2);min-height:20px}
.st-media-meta .dot{opacity:.5}

/* ===== 结尾 CTA ===== */
.st-cta{position:relative;text-align:center}
.st-cta-inner{max-width:760px;margin-inline:auto;padding:56px 32px;border-radius:22px;border:1px solid var(--st-line);background:radial-gradient(460px 240px at 50% 0%,rgba(242,200,121,.13),transparent 72%)}
.st-cta-inner h2{font-family:var(--st-serif);font-size:30px;line-height:1.4;margin-bottom:14px}
.st-cta-inner p{font-size:15px;color:var(--st-text-2);max-width:560px;margin:0 auto}
.st-cta-inner .st-btn-row{justify-content:center;margin-top:28px}
.st-cta-trust{margin-top:18px;font-size:13px;color:var(--st-text-2)}

/* ===== 页脚 ===== */
.st-footer{background:#05070F;border-top:1px solid var(--st-line-soft);padding:64px 0 0;margin-top:0}
.st-footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.st-footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.st-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.st-footer p{font-size:14px;line-height:1.8;color:var(--st-text-2)}
.st-footer-links{display:flex;flex-direction:column;gap:10px}
.st-footer-links a{font-size:14px;color:var(--st-text-2);transition:color .2s ease}
.st-footer-links a:hover{color:var(--st-gold)}
.st-footer-line{margin-bottom:8px}
.st-footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:20px 0;border-top:1px solid var(--st-line-soft);font-size:13px;color:var(--st-text-2)}

/* ===== 动效 ===== */
.st-rise{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.st-rise.is-in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1399.98px){
  .st-layout{gap:40px}
}
@media (max-width:1199.98px){
  .st-sec{padding:80px 0}
  .st-layout{grid-template-columns:1fr;gap:36px}
  .st-aside{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
  .st-aside>*{width:100%}
  .st-article-body{max-width:none}
}
@media (max-width:991.98px){
  .st-sec{padding:72px 0}
  .st-header-inner{min-height:66px;gap:12px}
  .st-burger{display:grid}
  .st-cta-sm{display:none}
  .st-nav{position:fixed;top:80px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:8px;padding:12px;background:rgba(10,14,28,.97);border:1px solid var(--st-line);border-radius:18px;box-shadow:var(--st-shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);max-height:calc(100vh - 130px);overflow-y:auto;z-index:1040}
  .st-nav.is-open{display:flex}
  .st-chip{height:44px;justify-content:flex-start;padding:0 16px;border-radius:12px;font-size:15px}
  h1.st-title{font-size:32px}
  .st-article-body h2{font-size:23px}
  .st-article-body h3{font-size:19px}
  .st-footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .st-cover figcaption{left:16px;bottom:12px}
}
@media (max-width:767.98px){
  .st-sec{padding:56px 0}
  .st-sec-head{margin-bottom:30px}
  .st-sec-head h2{font-size:24px}
  .st-cta-inner{padding:40px 22px}
  .st-cta-inner h2{font-size:24px}
  .st-pager{grid-template-columns:1fr}
  .st-article-body{font-size:16px;line-height:1.8}
}
@media (max-width:575.98px){
  .container{padding-inline:18px}
  h1.st-title{font-size:28px;line-height:1.36}
  .st-brand-sub{display:none}
  .st-quick{left:16px;right:16px;width:auto}
  .st-aside{grid-template-columns:1fr}
  .st-footer-main{grid-template-columns:1fr;gap:28px}
  .st-footer-bottom{flex-direction:column;gap:8px}
  .st-tags{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .st-rise{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --st-void:#070A18;
  --st-panel:#101427;
  --st-panel-2:#161C33;
  --st-grad-main:linear-gradient(160deg,#2B3A8F,#6D4AC9);
  --st-gold:#F2C879;
  --st-gold-deep:#E0A94F;
  --st-mint:#4FE0D0;
  --st-text:rgba(232,236,248,.86);
  --st-text-2:rgba(232,236,248,.58);
  --st-line:rgba(255,255,255,.14);
  --st-line-soft:rgba(255,255,255,.08);
  --st-error:#FF8A5B;
  --st-r-card:18px;
  --st-r-btn:12px;
  --st-r-chip:999px;
  --st-shadow:0 18px 40px -18px rgba(0,0,0,.45);
  --st-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --st-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  --st-sec-y:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--st-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--st-text);
  background-color:var(--st-void);
  background-image:radial-gradient(900px 620px at 18% -6%,rgba(109,74,201,.22),transparent 70%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 24px 36px,rgba(255,255,255,.14),transparent),
    radial-gradient(1.2px 1.2px at 186px 122px,rgba(255,255,255,.10),transparent),
    radial-gradient(1.6px 1.6px at 306px 268px,rgba(242,200,121,.11),transparent),
    radial-gradient(1.2px 1.2px at 92px 322px,rgba(255,255,255,.08),transparent),
    radial-gradient(1.1px 1.1px at 250px 60px,rgba(79,224,208,.10),transparent);
  background-size:420px 420px;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}
.st-header,.st-page-hero,.st-footer{position:relative;z-index:2}

/* ---------- Header ---------- */
.st-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,10,24,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--st-line-soft);
  transition:background .3s ease,box-shadow .3s ease;
}
.st-header.is-scrolled{background:rgba(9,12,28,.9);box-shadow:0 16px 34px -26px rgba(0,0,0,.95)}
.st-header-inner{display:flex;align-items:center;gap:22px;height:78px;transition:height .3s ease}
.st-header.is-scrolled .st-header-inner{height:66px}
.st-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.st-brand-mark{
  width:36px;height:36px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--st-grad-main);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 10px 24px -14px rgba(109,74,201,.95),inset 0 1px 0 rgba(255,255,255,.18);
}
.st-brand-mark svg{width:21px;height:21px}
.st-brand-text{display:flex;flex-direction:column;line-height:1.14}
.st-brand-name{font-family:var(--st-serif);font-size:18px;font-weight:700;color:#fff;letter-spacing:-.01em}
.st-brand-sub{font-size:11px;color:var(--st-gold);letter-spacing:.14em}
.st-nav{display:flex;align-items:center;gap:8px;margin:0 auto}
.st-chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--st-r-chip);
  border:1px solid var(--st-line);background:transparent;color:var(--st-text-2);
  font-size:14px;line-height:1.4;white-space:nowrap;
  transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.st-chip:hover{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(242,200,121,.35)}
.st-chip.is-active{
  background:rgba(255,255,255,.07);border-color:rgba(242,200,121,.55);color:var(--st-gold);
  box-shadow:0 0 22px -8px rgba(242,200,121,.7);
}
.st-header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.st-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--st-line);background:rgba(255,255,255,.04);
  color:var(--st-text);cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.st-icon-btn svg{width:19px;height:19px}
.st-icon-btn:hover{color:var(--st-gold);border-color:rgba(242,200,121,.45);background:rgba(242,200,121,.08)}
.st-burger{display:none}
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--st-r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.st-btn-sm{padding:9px 18px;font-size:14px}
.st-btn-primary{
  background:linear-gradient(120deg,#F2C879,#E8A85A);color:#191305;
  box-shadow:0 0 0 1px rgba(242,200,121,.35),0 0 24px -6px rgba(242,200,121,.55);
}
.st-btn-primary:hover{transform:translateY(-2px);color:#191305;box-shadow:0 0 0 1px rgba(242,200,121,.55),0 0 34px -4px rgba(242,200,121,.75)}
.st-btn-primary:active{transform:translateY(1px)}
.st-btn-ghost{
  background:rgba(255,255,255,.05);border-color:var(--st-line);color:var(--st-text);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.st-btn-ghost:hover{transform:translateY(-2px);color:#fff;border-color:rgba(242,200,121,.45);background:rgba(255,255,255,.08)}
.st-btn[disabled],.st-btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.st-quick{display:none;border-top:1px solid var(--st-line-soft);background:rgba(9,12,28,.97);padding:18px 0 22px}
.st-quick.is-open{display:block}
.st-quick-title,.st-quick-list{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
.st-quick-title{font-size:13px;color:var(--st-text-2);margin-bottom:12px}
.st-quick-list{display:flex;flex-wrap:wrap;gap:10px}
.st-quick-list a{
  font-size:14px;padding:7px 14px;border-radius:var(--st-r-chip);
  border:1px solid var(--st-line);color:var(--st-text-2);
}
.st-quick-list a:hover{color:var(--st-gold);border-color:rgba(242,200,121,.45)}

/* ---------- Page hero ---------- */
.st-page-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:368px;padding:68px 0;
  border-bottom:1px solid var(--st-line-soft);
}
.st-page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;filter:saturate(.92);
}
.st-page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,10,24,.96) 0%,rgba(7,10,24,.8) 48%,rgba(7,10,24,.46) 100%);
}
.st-page-hero-inner{position:relative;z-index:2;max-width:800px}
.st-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--st-text-2);margin-bottom:18px}
.st-crumb a:hover{color:var(--st-gold)}
.st-crumb .sep{opacity:.45}
.st-page-hero h1{
  font-family:var(--st-serif);font-weight:700;letter-spacing:-.01em;color:#fff;
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;margin-bottom:18px;
}
.st-page-hero p{font-size:17px;color:var(--st-text-2);max-width:660px;line-height:1.8}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.st-hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:var(--st-text-2)}
.st-hero-meta b{color:var(--st-gold);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- Section ---------- */
.st-sec{padding:var(--st-sec-y) 0}
.st-sec-tight{padding-top:0}
.st-sec-head{max-width:760px;margin-bottom:46px}
.st-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--st-gold);margin-bottom:14px}
.st-eyebrow::before{content:"";width:22px;height:1px;background:var(--st-gold);opacity:.7}
.st-sec-title{font-family:var(--st-serif);font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#fff;letter-spacing:-.01em;margin-bottom:14px}
.st-sec-sub{font-size:16px;color:var(--st-text-2)}
.st-sub-title{font-family:var(--st-serif);font-size:20px;color:#fff;margin-bottom:10px}

/* ---------- Wide cards ---------- */
.st-wide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.st-wide-card{
  display:grid;grid-template-columns:184px 1fr;
  border:1px solid var(--st-line);border-radius:var(--st-r-card);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.st-wide-card:hover{transform:translateY(-2px);border-color:rgba(242,200,121,.32);box-shadow:var(--st-shadow)}
.st-wide-media{position:relative;overflow:hidden;min-height:100%;background:var(--st-panel)}
.st-wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.st-wide-card:hover .st-wide-media img{transform:scale(1.04)}
.st-wide-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,0) 40%,rgba(7,10,24,.55) 100%)}
.st-wide-body{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.st-wide-body h3{font-family:var(--st-serif);font-size:20px;line-height:1.45;color:#fff}
.st-wide-body p{font-size:15px;color:var(--st-text-2);line-height:1.8}
.st-tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--st-r-chip);border:1px solid rgba(79,224,208,.35);
  background:rgba(79,224,208,.1);color:var(--st-mint);font-size:12.5px;letter-spacing:.02em;
}
.st-tag.is-gold{border-color:rgba(242,200,121,.35);background:rgba(242,200,121,.08);color:var(--st-gold)}
.st-list{display:flex;flex-direction:column;gap:8px}
.st-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--st-text-2);line-height:1.7}
.st-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--st-gold);opacity:.85}
.st-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--st-gold);margin-top:auto}
.st-textlink i{font-style:normal;transition:transform .22s ease}
.st-textlink:hover{color:#FFDDA1}
.st-textlink:hover i{transform:translateX(4px)}

/* ---------- Steps ---------- */
.st-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.st-step{
  position:relative;padding:28px 24px;border-radius:var(--st-r-card);
  border:1px solid var(--st-line);background:rgba(255,255,255,.02);
  transition:border-color .24s ease,background .24s ease;
}
.st-step:hover{border-color:rgba(242,200,121,.3);background:rgba(255,255,255,.04)}
.st-step-num{
  font-family:var(--st-serif);font-size:26px;color:var(--st-gold);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-bottom:14px;
}
.st-step h3{font-size:17px;color:#fff;margin-bottom:10px;font-weight:600}
.st-step p{font-size:14.5px;color:var(--st-text-2);line-height:1.8}

/* ---------- Check cards ---------- */
.st-check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.st-check-card{
  padding:26px 24px;border:1px solid var(--st-line);border-radius:var(--st-r-card);
  background:transparent;transition:border-color .24s ease,transform .24s ease;
}
.st-check-card:hover{border-color:rgba(242,200,121,.32);transform:translateY(-2px)}
.st-check-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(242,200,121,.09);border:1px solid rgba(242,200,121,.25);margin-bottom:16px;
}
.st-check-icon svg{width:20px;height:20px}
.st-check-card h3{font-size:17px;color:#fff;margin-bottom:10px;font-weight:600}
.st-check-card p{font-size:14.5px;color:var(--st-text-2);line-height:1.8}

/* ---------- Band ---------- */
.st-band{
  border-top:1px solid var(--st-line-soft);border-bottom:1px solid var(--st-line-soft);
  padding:60px 0;
  background-color:rgba(16,20,39,.55);
  background-image:
    radial-gradient(1.4px 1.4px at 40px 50px,rgba(255,255,255,.14),transparent),
    radial-gradient(1.4px 1.4px at 240px 180px,rgba(242,200,121,.14),transparent),
    radial-gradient(1.4px 1.4px at 420px 90px,rgba(255,255,255,.10),transparent),
    linear-gradient(180deg,rgba(43,58,143,.18),rgba(7,10,24,0));
  background-size:520px 520px,520px 520px,520px 520px,100% 100%;
}
.st-band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.st-band-item{padding:0 26px;border-left:1px solid var(--st-line-soft)}
.st-band-item:first-child{border-left:none;padding-left:0}
.st-band-num{
  font-family:var(--st-serif);font-size:clamp(28px,3vw,38px);color:var(--st-gold);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.st-band-label{font-size:15px;color:#fff;margin-top:8px}
.st-band-note{font-size:13px;color:var(--st-text-2);margin-top:6px}

/* ---------- FAQ ---------- */
.st-faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.st-accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:#fff}
.st-accordion .accordion-item{
  background:transparent;border:1px solid var(--st-line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;
}
.st-accordion .accordion-button{
  position:relative;width:100%;display:block;text-align:left;
  background:transparent;color:var(--st-text);font-size:16px;font-weight:600;line-height:1.6;
  padding:18px 56px 18px 20px;border:0;box-shadow:none;border-radius:14px;
  transition:background .22s ease,box-shadow .22s ease;
}
.st-accordion .accordion-button::after{display:none}
.st-accordion .accordion-button:hover{background:rgba(255,255,255,.04)}
.st-accordion .accordion-button:not(.collapsed){
  color:#fff;background:rgba(255,255,255,.05);box-shadow:inset 3px 0 0 0 var(--st-gold);
}
.st-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 0 var(--st-gold)}
.st-faq-sign{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;border:1px solid var(--st-line);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;color:var(--st-gold);background:rgba(255,255,255,.03);
}
.st-faq-sign::before{content:"+"}
.st-accordion .accordion-button:not(.collapsed) .st-faq-sign::before{content:"−"}
.st-accordion .accordion-body{
  padding:2px 20px 20px;font-size:14.8px;color:var(--st-text-2);line-height:1.85;
  background:rgba(7,10,24,.35);
}

/* ---------- CTA ---------- */
.st-cta{
  position:relative;text-align:center;padding:76px 32px;border-radius:24px;
  border:1px solid var(--st-line);overflow:hidden;
  background:
    radial-gradient(620px 260px at 50% -10%,rgba(242,200,121,.16),transparent 72%),
    linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
}
.st-cta h2{font-family:var(--st-serif);font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.st-cta p{font-size:16px;color:var(--st-text-2);max-width:620px;margin:0 auto 30px}
.st-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.st-cta-note{font-size:13px;color:var(--st-text-2);margin-top:22px}

/* ---------- Footer ---------- */
.st-footer{background:#05070F;border-top:1px solid var(--st-line-soft);margin-top:100px;padding:66px 0 28px}
.st-footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:34px}
.st-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.st-footer h4{font-family:var(--st-serif);font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.st-footer p{font-size:14px;color:var(--st-text-2);line-height:1.85;margin-bottom:10px}
.st-footer-line{margin-bottom:8px}
.st-footer-links{display:flex;flex-direction:column;gap:11px}
.st-footer-links a{font-size:14px;color:var(--st-text-2)}
.st-footer-links a:hover{color:var(--st-gold)}
.st-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  border-top:1px solid var(--st-line-soft);margin-top:44px;padding-top:22px;
  font-size:13px;color:var(--st-text-2);
}

/* ---------- Reveal ---------- */
.st-reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.st-reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .st-wide-list{grid-template-columns:1fr}
  .st-wide-card{grid-template-columns:220px 1fr}
}
@media (max-width:991.98px){
  :root{--st-sec-y:72px}
  .st-nav{
    position:fixed;top:0;right:0;height:100vh;width:280px;margin:0;z-index:1200;
    flex-direction:column;align-items:stretch;gap:8px;
    background:#0B1022;border-left:1px solid var(--st-line);
    padding:96px 22px 32px;transform:translateX(102%);
    transition:transform .3s ease;overflow-y:auto;
  }
  .st-nav.is-open{transform:translateX(0)}
  .st-nav .st-chip{border-radius:12px;padding:12px 16px;font-size:15px}
  .st-cta-sm{display:none}
  .st-burger{display:inline-flex}
  .st-band-grid{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .st-band-item:nth-child(3){border-left:none;padding-left:0}
  .st-check-grid{grid-template-columns:repeat(2,1fr)}
  .st-steps{grid-template-columns:repeat(2,1fr)}
  .st-footer-main{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767.98px){
  .st-page-hero{min-height:0;padding:48px 0}
  .st-wide-card{grid-template-columns:1fr}
  .st-wide-media{min-height:0;aspect-ratio:16/10}
  .st-wide-media img{height:100%}
  .st-faq-grid{grid-template-columns:1fr}
  .st-check-grid{grid-template-columns:1fr}
  .st-cta{padding:56px 22px}
  .st-footer{margin-top:72px}
}
@media (max-width:575.98px){
  :root{--st-sec-y:56px}
  .container{padding-left:16px;padding-right:16px}
  .st-header-inner{height:70px;gap:12px}
  .st-header.is-scrolled .st-header-inner{height:62px}
  .st-brand-name{font-size:16px}
  .st-brand-sub{font-size:10px}
  .st-steps{grid-template-columns:1fr}
  .st-band-grid{grid-template-columns:repeat(2,1fr)}
  .st-band-item{padding:0 16px}
  .st-footer-main{grid-template-columns:1fr}
  .st-footer-bottom{flex-direction:column;gap:8px}
  .st-hero-actions .st-btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .st-reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --st-void:#070A18;
  --st-panel:#101427;
  --st-panel-2:#161C33;
  --st-grad-main:linear-gradient(160deg,#2B3A8F,#6D4AC9);
  --st-gold:#F2C879;
  --st-gold-deep:#E9A85C;
  --st-mint:#4FE0D0;
  --st-text:rgba(232,236,248,.86);
  --st-text-2:rgba(232,236,248,.58);
  --st-line:rgba(255,255,255,.14);
  --st-line-soft:rgba(255,255,255,.10);
  --st-warn:#FF8A5B;
  --st-r-card:18px;
  --st-r-btn:12px;
  --st-shadow:0 18px 40px -18px rgba(0,0,0,.45);
  --st-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --st-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --st-gap-sec:104px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--st-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--st-text);
  background-color:var(--st-void);
  background-image:
    radial-gradient(900px 620px at 16% -6%, rgba(109,74,201,.22), transparent 62%),
    radial-gradient(760px 520px at 92% 8%, rgba(43,58,143,.20), transparent 66%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
.st-stars{position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, rgba(255,255,255,.10) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 68% 14%, rgba(255,255,255,.08) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 82% 62%, rgba(255,255,255,.09) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 34% 78%, rgba(255,255,255,.07) 50%, transparent 51%);
  background-size:520px 520px,640px 640px,720px 720px,460px 460px;
}
.st-page{position:relative;z-index:1}
.container{max-width:1240px;padding-left:20px;padding-right:20px}
a{color:var(--st-mint);text-decoration:none;text-underline-offset:3px}
a:hover{color:#7BE9DC}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--st-serif);letter-spacing:-.01em;color:#fff;margin:0}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.st-header{position:sticky;top:0;z-index:80;background:rgba(7,10,24,.72);border-bottom:1px solid transparent;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease}
.st-header.is-scrolled{background:rgba(7,10,24,.9);border-bottom-color:var(--st-line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.st-header-inner{display:flex;align-items:center;gap:24px;padding:16px 0;transition:padding .25s ease;position:relative}
.st-header.is-scrolled .st-header-inner{padding:10px 0}
.st-brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto}
.st-brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--st-grad-main);box-shadow:0 0 0 1px rgba(255,255,255,.12),0 12px 26px -14px rgba(109,74,201,.9)}
.st-brand-mark svg{width:22px;height:22px}
.st-brand-text{display:flex;flex-direction:column;line-height:1.15}
.st-brand-name{font-family:var(--st-serif);font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em}
.st-brand-sub{font-size:12px;color:var(--st-gold);letter-spacing:.16em}
.st-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.st-chip{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;font-size:14px;color:var(--st-text-2);border:1px solid var(--st-line-soft);background:transparent;text-decoration:none;white-space:nowrap;transition:background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.st-chip:hover{color:#fff;border-color:rgba(242,200,121,.35);background:rgba(255,255,255,.05)}
.st-chip.is-active{color:#fff;border-color:rgba(242,200,121,.5);background:rgba(255,255,255,.07);box-shadow:0 0 0 1px rgba(242,200,121,.22),0 0 22px -8px rgba(242,200,121,.7)}
.st-header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.st-icon-btn{width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.04);border:1px solid var(--st-line);color:var(--st-text);cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}
.st-icon-btn:hover{border-color:rgba(242,200,121,.45);color:#fff;background:rgba(255,255,255,.07)}
.st-icon-btn svg{width:19px;height:19px}
.st-burger{display:none}
.st-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--st-r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.st-btn-primary{background:linear-gradient(135deg,#F9E2B4,#F2C879 46%,var(--st-gold-deep));color:#221A08;box-shadow:0 0 0 1px rgba(242,200,121,.35),0 0 24px -6px rgba(242,200,121,.55)}
.st-btn-primary:hover{color:#221A08;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,200,121,.6),0 0 34px -4px rgba(242,200,121,.78)}
.st-btn-primary:active{transform:translateY(1px)}
.st-btn-ghost{background:rgba(255,255,255,.05);border-color:var(--st-line);color:var(--st-text);backdrop-filter:blur(8px)}
.st-btn-ghost:hover{color:#fff;border-color:rgba(242,200,121,.42);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.st-btn-sm{padding:10px 18px;font-size:14px}
.st-text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--st-gold);text-decoration:none}
.st-text-link .st-arrow{transition:transform .2s ease}
.st-text-link:hover .st-arrow{transform:translateX(4px)}
.st-quick{position:absolute;left:0;right:0;top:100%;background:rgba(9,12,26,.97);border-bottom:1px solid var(--st-line);max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 20px}
.st-quick.is-open{max-height:280px;padding:22px 20px}
.st-quick-inner{max-width:1240px;margin:0 auto}
.st-quick-title{font-size:13px;color:var(--st-text-2);letter-spacing:.08em;margin-bottom:12px}
.st-quick-list{display:flex;flex-wrap:wrap;gap:10px}
.st-quick-list a{padding:9px 16px;border-radius:999px;border:1px solid var(--st-line);color:var(--st-text);font-size:14px;text-decoration:none;background:rgba(255,255,255,.03)}
.st-quick-list a:hover{border-color:rgba(242,200,121,.5);color:#fff}

/* ---------- page hero ---------- */
.st-page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--st-line-soft);min-height:352px;display:flex;align-items:center}
.st-page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.st-page-hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,10,24,.95) 8%,rgba(7,10,24,.72) 46%,rgba(7,10,24,.5) 100%),linear-gradient(180deg,rgba(7,10,24,.35),rgba(7,10,24,.92))}
.st-page-hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;max-width:820px}
.st-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--st-text-2);margin-bottom:20px}
.st-crumb a{color:var(--st-text-2);text-decoration:none}
.st-crumb a:hover{color:var(--st-gold)}
.st-crumb span.st-sep{opacity:.45}
.st-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;letter-spacing:.04em;color:var(--st-mint);background:rgba(79,224,208,.10);border:1px solid rgba(79,224,208,.28)}
.st-tag.gold{color:var(--st-gold);background:rgba(242,200,121,.08);border-color:rgba(242,200,121,.3)}
.st-page-hero h1{font-size:40px;line-height:1.24;margin:16px 0 14px}
.st-page-hero p{font-size:17px;line-height:1.85;color:var(--st-text);max-width:640px}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- section ---------- */
.st-sec{padding-top:var(--st-gap-sec)}
.st-sec-head{max-width:720px;margin-bottom:44px}
.st-sec-head h2{font-size:30px;line-height:1.3;margin:14px 0 12px}
.st-sec-head p{color:var(--st-text-2);font-size:16px}
.st-sec-wide{max-width:none}

/* ---------- glass card / feature grid ---------- */
.st-glass{background:linear-gradient(180deg,rgba(22,28,51,.72),rgba(16,20,39,.58));border:1px solid var(--st-line);border-radius:var(--st-r-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--st-shadow),inset 0 1px 0 rgba(255,255,255,.14)}
.st-fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.st-fcard{display:flex;flex-direction:column;overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.st-fcard:hover{transform:translateY(-3px);border-color:rgba(242,200,121,.32);box-shadow:0 22px 48px -20px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.16)}
.st-fcard.is-feature{grid-column:span 2}
.st-fcard-media{position:relative;height:180px;overflow:hidden}
.st-fcard.is-feature .st-fcard-media{height:236px}
.st-fcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.st-fcard:hover .st-fcard-media img{transform:scale(1.04)}
.st-fcard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,.08),rgba(7,10,24,.82)),linear-gradient(90deg,rgba(43,58,143,.28),transparent 62%)}
.st-fcard-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.st-fcard-body h3{font-size:21px;line-height:1.4}
.st-fcard-body p{font-size:15px;color:var(--st-text-2);line-height:1.8}
.st-dot-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:8px}
.st-dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--st-text-2);line-height:1.7}
.st-dot-list li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--st-gold);box-shadow:0 0 10px rgba(242,200,121,.7)}
.st-fcard-foot{margin-top:auto;padding-top:6px}

/* ---------- step flow ---------- */
.st-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--st-line);border-radius:var(--st-r-card);overflow:hidden;background:rgba(16,20,39,.5)}
.st-step{padding:30px 26px;border-right:1px solid var(--st-line-soft);position:relative}
.st-step:last-child{border-right:0}
.st-step-num{font-family:var(--st-serif);font-size:34px;line-height:1;color:var(--st-gold);font-variant-numeric:tabular-nums}
.st-step h3{font-size:18px;margin:16px 0 10px}
.st-step p{font-size:14px;color:var(--st-text-2);line-height:1.8}

/* ---------- adapt / tips ---------- */
.st-split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.st-split-media{position:relative;border-radius:var(--st-r-card);overflow:hidden;border:1px solid var(--st-line);min-height:320px}
.st-split-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.st-split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,.15),rgba(7,10,24,.75))}
.st-split-copy{padding:34px;display:flex;flex-direction:column;gap:18px;justify-content:center}
.st-split-copy h2{font-size:26px;line-height:1.35}
.st-split-copy p{font-size:15px;color:var(--st-text-2);line-height:1.85}
.st-note{display:flex;gap:12px;padding:14px 16px;border-radius:14px;border:1px solid rgba(242,200,121,.26);background:rgba(242,200,121,.06);font-size:14px;color:var(--st-text)}
.st-note svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;stroke:var(--st-gold)}

/* ---------- FAQ ---------- */
.st-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.st-acc .accordion-item{background:transparent;border:1px solid var(--st-line);border-radius:var(--st-r-card);overflow:hidden;margin-bottom:16px}
.st-acc .accordion-item:last-child{margin-bottom:0}
.st-acc .accordion-button{background:transparent;color:var(--st-text);font-family:var(--st-serif);font-size:17px;font-weight:600;padding:20px 22px;box-shadow:none;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative}
.st-acc .accordion-button:focus{box-shadow:none;outline:none}
.st-acc .accordion-button::after{display:none}
.st-acc .accordion-button:not(.collapsed){color:#fff;background:rgba(242,200,121,.05);border-left:2px solid var(--st-gold)}
.st-acc .accordion-button.collapsed{border-left:2px solid transparent}
.st-acc-sign{position:relative;width:26px;height:26px;flex:0 0 26px;border-radius:999px;border:1px solid var(--st-line)}
.st-acc-sign::before,.st-acc-sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--st-gold);transform:translate(-50%,-50%)}
.st-acc-sign::before{width:11px;height:1.5px}
.st-acc-sign::after{width:1.5px;height:11px;transition:transform .25s ease,opacity .25s ease}
.st-acc .accordion-button:not(.collapsed) .st-acc-sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.st-acc .accordion-body{padding:4px 22px 22px;font-size:15px;color:var(--st-text-2);line-height:1.85}

/* ---------- stat band ---------- */
.st-band{position:relative;overflow:hidden;border-top:1px solid var(--st-line-soft);border-bottom:1px solid var(--st-line-soft);background:linear-gradient(180deg,rgba(11,15,32,.92),rgba(7,10,24,.96));margin-top:var(--st-gap-sec)}
.st-band::before{content:"";position:absolute;inset:0;background-image:
  radial-gradient(1.5px 1.5px at 14% 30%,rgba(255,255,255,.13) 50%,transparent 51%),
  radial-gradient(1.3px 1.3px at 62% 70%,rgba(255,255,255,.10) 50%,transparent 51%),
  radial-gradient(1.6px 1.6px at 86% 26%,rgba(255,255,255,.11) 50%,transparent 51%);
  background-size:420px 420px,520px 520px,600px 600px;pointer-events:none}
.st-band-inner{position:relative;padding:64px 0}
.st-band-head{max-width:640px;margin-bottom:36px}
.st-band-head h2{font-size:26px;margin-bottom:10px}
.st-band-head p{color:var(--st-text-2);font-size:15px}
.st-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.st-stat{padding:6px 26px;border-left:1px solid var(--st-line-soft)}
.st-stat:first-child{border-left:0;padding-left:0}
.st-stat-num{font-family:var(--st-serif);font-size:40px;line-height:1.1;color:var(--st-gold);font-variant-numeric:tabular-nums}
.st-stat-num small{font-size:15px;color:var(--st-text-2);margin-left:6px;font-family:var(--st-sans)}
.st-stat-label{font-size:14px;color:var(--st-text-2);margin-top:8px}

/* ---------- CTA ---------- */
.st-cta{position:relative;overflow:hidden;text-align:center;padding:96px 0 104px}
.st-cta::before{content:"";position:absolute;left:50%;top:16%;width:760px;height:420px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(242,200,121,.18),transparent 72%);pointer-events:none}
.st-cta-inner{position:relative;max-width:660px;margin:0 auto}
.st-cta h2{font-size:30px;line-height:1.32;margin:16px 0 14px}
.st-cta p{font-size:16px;color:var(--st-text-2);line-height:1.85}
.st-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.st-cta-trust{margin-top:22px;font-size:13px;color:var(--st-text-2)}

/* ---------- footer ---------- */
.st-footer{background:#05070F;border-top:1px solid var(--st-line-soft);padding:72px 0 0;position:relative;z-index:1}
.st-footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.st-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.st-footer-main p{font-size:14px;color:var(--st-text-2);line-height:1.85;max-width:340px}
.st-footer h4{font-family:var(--st-serif);font-size:16px;color:#fff;margin-bottom:18px}
.st-footer-links{display:flex;flex-direction:column;gap:12px}
.st-footer-links a{font-size:14px;color:var(--st-text-2);text-decoration:none;transition:color .2s ease}
.st-footer-links a:hover{color:var(--st-gold)}
.st-footer-line{font-size:14px;color:var(--st-text-2);line-height:1.9;margin-bottom:8px}
.st-footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid var(--st-line-soft);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--st-text-2)}

/* ---------- motion ---------- */
.st-rise{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.st-rise.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .st-fgrid{grid-template-columns:repeat(2,1fr)}
  .st-fcard.is-feature{grid-column:span 2}
  .st-flow{grid-template-columns:repeat(2,1fr)}
  .st-step:nth-child(2){border-right:0}
  .st-step:nth-child(1),.st-step:nth-child(2){border-bottom:1px solid var(--st-line-soft)}
  .st-split{grid-template-columns:1fr}
  .st-split-media{min-height:260px}
}
@media (max-width:991.98px){
  :root{--st-gap-sec:76px}
  .st-burger{display:inline-flex}
  .st-nav{position:fixed;top:0;right:0;width:min(320px,86vw);height:100vh;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:10px;padding:92px 22px 28px;background:rgba(9,12,26,.97);backdrop-filter:blur(16px);border-left:1px solid var(--st-line);transform:translateX(101%);transition:transform .3s ease;z-index:90;overflow-y:auto}
  .st-nav.is-open{transform:translateX(0)}
  .st-nav .st-chip{justify-content:flex-start;padding:13px 18px;font-size:15px;border-radius:12px}
  .st-nav .st-nav-cta{margin-top:12px;width:100%}
  .st-cta-sm{display:none}
  .st-page-hero-inner{padding-top:52px;padding-bottom:52px}
  .st-page-hero h1{font-size:34px}
  .st-sec-head h2{font-size:26px}
  .st-faq-grid{grid-template-columns:1fr}
  .st-stats{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .st-stat{padding:6px 22px}
  .st-stat:nth-child(odd){border-left:0;padding-left:0}
  .st-footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--st-gap-sec:60px}
  .st-page-hero{min-height:0}
  .st-page-hero h1{font-size:28px}
  .st-page-hero p{font-size:15px}
  .st-hero-actions .st-btn{width:100%}
  .st-fgrid{grid-template-columns:1fr;gap:20px}
  .st-fcard.is-feature{grid-column:span 1}
  .st-fcard-media,.st-fcard.is-feature .st-fcard-media{height:180px}
  .st-flow{grid-template-columns:1fr}
  .st-step{border-right:0;border-bottom:1px solid var(--st-line-soft);padding:24px 22px}
  .st-step:last-child{border-bottom:0}
  .st-band-inner{padding:48px 0}
  .st-stat-num{font-size:32px}
  .st-cta{padding:72px 0 80px}
  .st-cta h2{font-size:24px}
  .st-footer-main{grid-template-columns:1fr;gap:30px}
  .st-footer{padding-top:56px}
  .st-footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .st-brand-sub{letter-spacing:.10em}
  .st-brand-mark{width:34px;height:34px;flex:0 0 34px}
  .st-brand-name{font-size:17px}
  .st-icon-btn{width:38px;height:38px}
  .st-split-copy{padding:24px}
  .st-fcard-body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .st-rise{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --st-void:#070A18;
  --st-panel:#101427;
  --st-panel-2:#161C33;
  --st-grad-main:linear-gradient(160deg,#2B3A8F,#6D4AC9);
  --st-gold:#F2C879;
  --st-gold-soft:rgba(242,200,121,.08);
  --st-mint:#4FE0D0;
  --st-mint-soft:rgba(79,224,208,.10);
  --st-text:rgba(232,236,248,.86);
  --st-text-2:rgba(232,236,248,.58);
  --st-line:rgba(255,255,255,.14);
  --st-line-soft:rgba(255,255,255,.08);
  --st-err:#FF8A5B;
  --st-r-card:18px;
  --st-r-btn:12px;
  --st-r-pill:999px;
  --st-shadow:0 18px 40px -18px rgba(0,0,0,.45);
  --st-glow:0 0 0 1px rgba(242,200,121,.35),0 0 24px -6px rgba(242,200,121,.55);
  --st-sec-gap:110px;
  --st-gap:24px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--st-void);
  color:var(--st-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.12) 0 1px, transparent 1.6px),
    radial-gradient(circle at 72% 62%, rgba(255,255,255,.09) 0 1px, transparent 1.6px),
    radial-gradient(circle at 46% 88%, rgba(242,200,121,.10) 0 1px, transparent 1.6px),
    radial-gradient(1000px 720px at 8% -12%, rgba(109,74,201,.22), transparent 70%);
  background-size:260px 260px,340px 340px,420px 420px,100% 100%;
  background-repeat:repeat,repeat,repeat,no-repeat;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--st-gold);}
button{font-family:inherit;}
h1,h2,h3,h4,.st-serif{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  letter-spacing:-.01em;
  color:#fff;
  line-height:1.32;
  margin:0;
}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(242,200,121,.28);}
.st-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- buttons / chips ---------- */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--st-r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.st-btn-sm{padding:9px 16px;font-size:14px;}
.st-btn-primary{
  background:linear-gradient(140deg,#F2C879,#F0AE5A);
  color:#20160A;
  box-shadow:var(--st-glow);
}
.st-btn-primary:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,200,121,.5),0 0 32px -4px rgba(242,200,121,.75);}
.st-btn-primary:active{transform:translateY(1px);}
.st-btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--st-line);
  color:var(--st-text);
  backdrop-filter:blur(10px);
}
.st-btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(242,200,121,.45);color:#fff;transform:translateY(-2px);}
.st-btn-ghost:active{transform:translateY(1px);}
.st-text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--st-mint);font-size:14px;font-weight:600;
}
.st-text-link span{transition:transform .2s ease;display:inline-block;}
.st-text-link:hover{color:var(--st-gold);}
.st-text-link:hover span{transform:translateX(4px);}

.st-chip{
  display:inline-flex;align-items:center;
  padding:8px 18px;
  border-radius:var(--st-r-pill);
  border:1px solid var(--st-line-soft);
  background:transparent;
  color:var(--st-text-2);
  font-size:14.5px;font-weight:500;line-height:1.4;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.st-chip:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.24);color:#fff;}
.st-chip.is-active{
  background:rgba(255,255,255,.06);
  border-color:rgba(242,200,121,.55);
  color:var(--st-gold);
  box-shadow:0 0 18px -6px rgba(242,200,121,.6);
  backdrop-filter:blur(10px);
}
.st-chip-lg{padding:11px 22px;font-size:15px;background:rgba(255,255,255,.03);border-color:var(--st-line);color:var(--st-text);}

.st-tag{
  display:inline-block;
  padding:5px 13px;
  border-radius:6px;
  border:1px solid rgba(79,224,208,.35);
  background:var(--st-mint-soft);
  color:var(--st-mint);
  font-size:13px;
}
.st-tag-gold{border-color:rgba(242,200,121,.4);background:var(--st-gold-soft);color:var(--st-gold);}

/* ---------- header ---------- */
.st-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,24,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.st-header.is-scrolled{
  background:rgba(10,14,30,.86);
  border-bottom-color:var(--st-line-soft);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
}
.st-header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
  transition:min-height .25s ease;
}
.st-header.is-scrolled .st-header-inner{min-height:64px;}
.st-brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.st-brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--st-grad-main);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 10px 24px -14px rgba(109,74,201,.9);
}
.st-brand-mark svg{width:22px;height:22px;}
.st-brand-text{display:flex;flex-direction:column;line-height:1.15;}
.st-brand-name{font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.st-brand-sub{font-size:11px;color:var(--st-gold);letter-spacing:.14em;}
.st-nav{
  display:flex;align-items:center;gap:8px;
  margin:0 auto;
  padding:6px;
  border-radius:var(--st-r-pill);
  border:1px solid var(--st-line-soft);
  background:rgba(255,255,255,.02);
}
.st-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.st-icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--st-line);
  background:rgba(255,255,255,.03);
  color:var(--st-text);
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.st-icon-btn svg{width:19px;height:19px;}
.st-icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(242,200,121,.45);color:var(--st-gold);}
.st-burger{display:none;}
.st-quick{
  display:none;
  border-top:1px solid var(--st-line-soft);
  background:rgba(9,13,28,.96);
  padding:18px 24px 22px;
}
.st-quick.is-open{display:block;}
.st-quick-title{font-size:13px;color:var(--st-text-2);margin-bottom:12px;}
.st-quick-list{display:flex;flex-wrap:wrap;gap:10px;}
.st-quick-list a{
  padding:8px 16px;border-radius:var(--st-r-pill);
  border:1px solid var(--st-line);background:rgba(255,255,255,.03);
  font-size:14px;color:var(--st-text);
}
.st-quick-list a:hover{border-color:rgba(242,200,121,.45);background:rgba(242,200,121,.08);color:var(--st-gold);}
.st-drawer{
  position:fixed;inset:0 0 0 auto;
  width:min(88vw,340px);
  background:rgba(9,12,26,.98);
  border-left:1px solid var(--st-line);
  padding:26px 22px;
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:90;
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;
}
.st-drawer.is-open{transform:translateX(0);}
.st-drawer-title{font-size:13px;color:var(--st-text-2);letter-spacing:.08em;}
.st-drawer nav{display:flex;flex-direction:column;gap:10px;}
.st-drawer nav a{
  padding:13px 16px;border-radius:12px;
  border:1px solid var(--st-line-soft);
  background:rgba(255,255,255,.03);
  font-size:15px;
}
.st-drawer nav a.is-active{border-color:rgba(242,200,121,.55);color:var(--st-gold);background:var(--st-gold-soft);}
.st-scrim{
  position:fixed;inset:0;background:rgba(4,6,16,.66);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.st-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.st-cat-hero{
  position:relative;
  padding:52px 0 60px;
  border-bottom:1px solid var(--st-line-soft);
  overflow:hidden;
}
.st-cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 380px at 82% 12%, rgba(43,58,143,.30), transparent 68%);
  pointer-events:none;
}
.st-cat-hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);
  gap:44px;align-items:center;
  min-height:300px;
}
.st-crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--st-text-2);margin-bottom:18px;}
.st-crumb a{color:var(--st-text-2);}
.st-crumb a:hover{color:var(--st-gold);}
.st-crumb span[aria-current]{color:var(--st-text);}
.st-cat-hero h1{font-size:38px;margin:14px 0 16px;}
.st-cat-hero p.st-lead{font-size:16.5px;line-height:1.85;color:var(--st-text-2);max-width:56ch;}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.st-cat-hero-media{
  position:relative;border-radius:var(--st-r-card);
  overflow:hidden;border:1px solid var(--st-line);
  box-shadow:var(--st-shadow);
  aspect-ratio:16/10;
}
.st-cat-hero-media img{width:100%;height:100%;object-fit:cover;}
.st-cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.16) 0%,rgba(7,10,24,.72) 100%);
}
.st-hero-facts{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;
  padding-top:22px;border-top:1px solid var(--st-line-soft);
}
.st-hero-facts div{display:flex;flex-direction:column;}
.st-hero-facts b{font-size:24px;color:var(--st-gold);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.st-hero-facts span{font-size:13px;color:var(--st-text-2);}

/* ---------- generic sections ---------- */
.st-sec{padding:var(--st-sec-gap) 0;}
.st-sec-tight{padding:72px 0;}
.st-sec-head{max-width:660px;margin-bottom:44px;}
.st-sec-head h2{margin-bottom:12px;}
.st-sec-head p{color:var(--st-text-2);font-size:16px;}
.st-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;
  color:var(--st-mint);margin-bottom:12px;
}
h2.st-with-bar{position:relative;padding-left:16px;}
h2.st-with-bar::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#F2C879,#F0AE5A);
}

/* ---------- category3 layout ---------- */
.st-cat3-layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.st-index{
  position:sticky;top:104px;
  border-radius:var(--st-r-card);
  border:1px solid var(--st-line);
  background:rgba(255,255,255,.035);
  backdrop-filter:blur(14px);
  box-shadow:var(--st-shadow);
  overflow:hidden;
}
.st-index-inner{padding:22px 20px 24px;}
.st-index-title{font-size:13px;letter-spacing:.1em;color:var(--st-text-2);margin-bottom:14px;}
.st-index-nav{display:flex;flex-direction:column;gap:6px;}
.st-index-nav a{
  position:relative;
  padding:11px 14px 11px 16px;
  border-radius:11px;
  font-size:14.5px;
  color:var(--st-text);
  border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.st-index-nav a::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:transparent;transition:background-color .2s ease;
}
.st-index-nav a:hover{background:rgba(255,255,255,.05);border-color:var(--st-line-soft);color:#fff;}
.st-index-nav a.is-active{background:var(--st-gold-soft);border-color:rgba(242,200,121,.35);color:var(--st-gold);}
.st-index-nav a.is-active::before{background:var(--st-gold);}
.st-index-tip{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--st-line-soft);
  font-size:14px;color:var(--st-text-2);
}
.st-index-tip p{margin-bottom:8px;}

.st-group{margin-bottom:52px;scroll-margin-top:110px;}
.st-group:last-child{margin-bottom:0;}
.st-group-head{
  padding-bottom:16px;margin-bottom:22px;
  border-bottom:1px solid var(--st-line-soft);
}
.st-group-head h2{font-size:26px;margin-bottom:8px;}
.st-group-head p{color:var(--st-text-2);font-size:15px;}

.st-row-card{
  display:grid;grid-template-columns:190px minmax(0,1fr);
  gap:22px;
  padding:18px;
  border-radius:var(--st-r-card);
  border:1px solid var(--st-line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
  margin-bottom:18px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.st-row-card:last-child{margin-bottom:0;}
.st-row-card:hover{
  transform:translateY(-2px);
  border-color:rgba(242,200,121,.30);
  box-shadow:var(--st-shadow);
}
.st-row-thumb{
  border-radius:14px;overflow:hidden;border:1px solid var(--st-line-soft);
  aspect-ratio:16/11;position:relative;background:var(--st-panel);
}
.st-row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.st-row-card:hover .st-row-thumb img{transform:scale(1.04);}
.st-row-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,10,24,.62) 100%);
}
.st-row-body{display:flex;flex-direction:column;gap:9px;justify-content:center;min-width:0;}
.st-row-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--st-text-2);min-height:20px;}
.st-row-meta .st-tag{font-size:12px;padding:3px 10px;}
.st-row-body h3{font-size:19.5px;line-height:1.45;}
.st-row-body h3 a{color:#fff;}
.st-row-body h3 a:hover{color:var(--st-gold);}
.st-row-body p{
  font-size:14.5px;color:var(--st-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- self check cards ---------- */
.st-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.st-outline-card{
  padding:26px 24px;
  border-radius:var(--st-r-card);
  border:1px solid var(--st-line);
  background:transparent;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.st-outline-card:hover{border-color:rgba(242,200,121,.32);background:rgba(255,255,255,.025);transform:translateY(-2px);}
.st-outline-card .st-ico{
  width:40px;height:40px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--st-mint-soft);border:1px solid rgba(79,224,208,.28);
  color:var(--st-mint);margin-bottom:16px;
}
.st-outline-card .st-ico svg{width:20px;height:20px;}
.st-outline-card h3{font-size:19px;margin-bottom:10px;}
.st-outline-card p{font-size:14.5px;color:var(--st-text-2);line-height:1.85;}
.st-outline-card .st-step{font-size:13px;color:var(--st-gold);letter-spacing:.1em;margin-bottom:8px;display:block;}

/* ---------- chip cloud + cta ---------- */
.st-more-wrap{
  border-radius:var(--st-r-card);
  border:1px solid var(--st-line);
  background:rgba(255,255,255,.028);
  padding:38px 34px;
  backdrop-filter:blur(12px);
}
.st-more-wrap h2{font-size:26px;margin-bottom:10px;}
.st-more-wrap > p{color:var(--st-text-2);font-size:15px;max-width:62ch;margin-bottom:26px;}
.st-chip-cloud{display:flex;flex-wrap:wrap;gap:12px;}

.st-cta-sec{position:relative;padding:96px 0 110px;text-align:center;overflow:hidden;}
.st-cta-sec::before{
  content:"";position:absolute;left:50%;top:6%;width:720px;height:420px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side, rgba(242,200,121,.16), transparent 72%);
  pointer-events:none;
}
.st-cta-inner{position:relative;z-index:2;max-width:620px;margin:0 auto;}
.st-cta-inner h2{font-size:30px;margin-bottom:16px;}
.st-cta-inner p{color:var(--st-text-2);font-size:16px;}
.st-cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin:30px 0 18px;}
.st-cta-note{font-size:13px;color:var(--st-text-2);}

/* ---------- footer ---------- */
.st-footer{
  background:#05070F;
  border-top:1px solid var(--st-line-soft);
  padding:64px 0 26px;
  font-size:14px;
}
.st-footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
  padding-bottom:38px;border-bottom:1px solid var(--st-line-soft);
}
.st-footer-brand{display:inline-flex;align-items:center;gap:11px;margin-bottom:16px;}
.st-footer p{color:var(--st-text-2);line-height:1.85;font-size:14px;max-width:40ch;}
.st-footer h4{font-size:15px;margin-bottom:16px;color:#fff;}
.st-footer-links{display:flex;flex-direction:column;gap:10px;}
.st-footer-links a{color:var(--st-text-2);font-size:14px;}
.st-footer-links a:hover{color:var(--st-gold);}
.st-footer-line{font-size:14px;color:var(--st-text-2);margin-bottom:8px;}
.st-footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:22px;font-size:13px;color:var(--st-text-2);
}

/* ---------- animation ---------- */
.st-reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out;}
.st-reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  :root{--st-sec-gap:88px;}
  h1{font-size:34px;}
  .st-cat-hero h1{font-size:32px;}
  .st-cat3-layout{grid-template-columns:262px minmax(0,1fr);gap:28px;}
  .st-row-card{grid-template-columns:170px minmax(0,1fr);}
}
@media (max-width:991px){
  :root{--st-sec-gap:72px;}
  .st-nav{display:none;}
  .st-burger{display:inline-flex;}
  .st-cta-sm{display:none;}
  .st-cat-hero{padding:36px 0 46px;}
  .st-cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;min-height:0;}
  .st-cat-hero-media{order:-1;aspect-ratio:16/9;}
  .st-cat3-layout{grid-template-columns:minmax(0,1fr);}
  .st-index{position:static;}
  .st-index-nav{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
  .st-index-nav::-webkit-scrollbar{display:none;}
  .st-index-nav a{white-space:nowrap;scroll-snap-align:start;border:1px solid var(--st-line-soft);padding:9px 16px;border-radius:var(--st-r-pill);}
  .st-index-nav a::before{display:none;}
  .st-check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .st-footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  .st-sec-tight{padding:56px 0;}
}
@media (max-width:767px){
  :root{--st-sec-gap:60px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  .st-cat-hero h1{font-size:26px;}
  .st-row-card{grid-template-columns:minmax(0,1fr);gap:16px;padding:16px;}
  .st-row-thumb{aspect-ratio:16/9;}
  .st-check-grid{grid-template-columns:minmax(0,1fr);}
  .st-more-wrap{padding:28px 22px;}
  .st-cta-sec{padding:70px 0 80px;}
  .st-cta-actions .st-btn{width:100%;}
  .st-hero-actions .st-btn{width:100%;}
  .st-footer-main{grid-template-columns:minmax(0,1fr);}
  .st-hero-facts{gap:20px;}
  .st-cat-hero-media{display:none;}
}
@media (max-width:575px){
  .container{padding-left:18px;padding-right:18px;}
  .st-brand-name{font-size:16px;}
  .st-brand-sub{font-size:10px;letter-spacing:.1em;}
  .st-brand-mark{width:34px;height:34px;flex-basis:34px;}
  .st-row-body h3{font-size:17.5px;}
  .st-header-inner{min-height:66px;gap:12px;}
  .st-footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .st-reveal{opacity:1;transform:none;}
}