:root{--bg: #ffffff;--bg-soft: #f6f7f9;--card: #ffffff;--card-hover: #fcfdfe;--line: rgba(16, 20, 28, .09);--line-strong: rgba(16, 20, 28, .18);--text: #101319;--text-2: #565e6d;--text-3: #8a919e;--accent: #165dff;--accent-contrast: #ffffff;--accent-soft: rgba(22, 93, 255, .07);--surface-1: rgba(16, 20, 28, .032);--surface-2: rgba(16, 20, 28, .055);--surface-3: rgba(16, 20, 28, .09);--nav-bg: rgba(255, 255, 255, .82);--nav-line: rgba(16, 20, 28, .08);--shadow-card: 0 1px 2px rgba(16, 20, 28, .04), 0 10px 30px rgba(16, 20, 28, .05);--shadow-btn: 0 2px 10px rgba(22, 93, 255, .28);--glow: none;--deco-glow: radial-gradient( ellipse 72% 58% at 50% -8%, rgba(22, 93, 255, .11), transparent 72% );--deco-grid: rgba(22, 93, 255, .055);--ink: #0a1f44;--radius-sm: 10px;--radius: 16px;--radius-lg: 24px;--maxw: 1180px;--font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}[data-theme=gold]{--bg: #08080a;--bg-soft: #0e0e11;--card: #131317;--card-hover: #191920;--line: rgba(201, 169, 110, .13);--line-strong: rgba(201, 169, 110, .3);--text: #f2f2f4;--text-2: #a2a2ac;--text-3: #6a6a74;--accent: #c9a96e;--accent-bright: #e2c68d;--accent-deep: #a8874c;--accent-contrast: #17130b;--accent-soft: rgba(201, 169, 110, .08);--surface-1: rgba(255, 255, 255, .032);--surface-2: rgba(255, 255, 255, .055);--surface-3: rgba(255, 255, 255, .09);--nav-bg: rgba(8, 8, 10, .72);--nav-line: rgba(255, 255, 255, .07);--shadow-card: none;--shadow-btn: 0 6px 22px rgba(201, 169, 110, .22);--glow: radial-gradient( ellipse 70% 100% at 50% 0%, rgba(201, 169, 110, .09) 0%, transparent 70% );--deco-glow: radial-gradient( ellipse 72% 58% at 50% -8%, rgba(201, 169, 110, .1), transparent 72% );--deco-grid: rgba(255, 255, 255, .03);--ink: #0b0b0e}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:fixed;inset:0 0 auto;height:620px;background:var(--glow);pointer-events:none;z-index:0}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:.01em}p{margin:0}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}.site-nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:var(--nav-bg);border-bottom:1px solid var(--nav-line)}.site-nav 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.btn-primary{background:linear-gradient(135deg,var(--accent-bright),var(--accent),var(--accent-deep))}[data-theme=gold] .btn-primary:hover{filter:none;box-shadow:0 10px 30px #c9a96e57}.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}.btn-ghost:hover{background:var(--accent-soft);border-color:var(--line-strong)}.btn-sm{height:38px;padding:0 18px;font-size:14px}.section{padding:96px 0;position:relative;z-index:1}.section-tight{padding:64px 0}.band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}[data-theme=gold] .eyebrow{color:var(--accent)}.section-head{max-width:720px;margin-bottom:48px}.section-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:14px}.section-head p{color:var(--text-2);font-size:15.5px}.accent-text{color:var(--accent)}[data-theme=gold] .accent-text{background:linear-gradient(120deg,var(--accent-bright),var(--accent),var(--accent-deep));-webkit-background-clip:text;background-clip:text;color:transparent}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card);transition:border-color .24s,background .24s,transform .24s,box-shadow .24s}.card:hover{border-color:var(--line-strong);background:var(--card-hover);transform:translateY(-2px)}.site-footer{border-top:1px solid var(--line);padding:52px 0 32px;margin-top:40px;background:var(--bg-soft);position:relative;z-index:1}.footer-top{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;margin-bottom:36px}.footer-brand .brand{margin-bottom:10px}.footer-brand p{color:var(--text-3);font-size:13.5px;max-width:320px}.footer-col h4{font-size:13px;color:var(--text-3);font-weight:500;margin-bottom:14px;letter-spacing:.04em}.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}.footer-col a{font-size:14px;color:var(--text-2);transition:color .16s}.footer-col a:hover{color:var(--text)}[data-theme=gold] .footer-col a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-3)}.footer-bottom a{color:var(--text-3);transition:color .16s}.footer-bottom a:hover{color:var(--text-2)}[data-theme=gold] .footer-bottom a:hover{color:var(--accent)}@media(max-width:860px){.section{padding:64px 0}.nav-links{display:none}.footer-top{gap:28px}}@media(max-width:520px){.container{padding:0 18px}.btn{height:44px;padding:0 20px;font-size:14.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}