:root {
  --black: #05070c;
  --dark: #080d18;
  --nav: #e8ebf0;
  --navy: #10245c;
  --blue: #0879ff;
  --blue-light: #7db2ff;
  --purple: #693ac1;
  --magenta: #c33186;
  --green: #3ed379;
  --white: #f7f9fc;
  --text: #c3ccdc;
  --muted: #7f8da4;
  --line: rgba(188, 205, 233, .18);
  --max: 1160px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--black); font-family: var(--sans); line-height: 1.6; }
a { color: inherit; }
.shell { width: min(var(--max), calc(100% - 72px)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(16, 36, 92, .16); background: rgba(232, 235, 240, .97); backdrop-filter: blur(13px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: #10245c; text-decoration: none; }
.header-mark { display: block; width: 178px; height: auto; opacity: .98; }
.brand-context { padding-left: 12px; border-left: 1px solid rgba(16, 36, 92, .22); color: #536174; font-family: var(--mono); font-size: 8px; font-weight: 500; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 12px; }
.nav a { color: #10245c; text-decoration: none; }
.nav a:not(.nav-cta) { display: flex; flex-direction: column; align-items: center; gap: 0; }
.nav a:not(.nav-cta) small { color: #64748b; font-size: 10px; }
.nav a:hover { color: var(--blue); }
.nav-cta { padding: 9px 17px; border-radius: 999px; color: var(--white) !important; background: #10245c; font-weight: 800; }
.nav-cta:hover { color: var(--white) !important; background: var(--blue); }

.hero { position: relative; min-height: 692px; background: var(--black); overflow: hidden; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(105, 134, 190, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 134, 190, .07) 1px, transparent 1px); background-size: 84px 84px; mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), rgba(0, 0, 0, .1) 84%, transparent); }
.hero::before { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5, 7, 12, .05), rgba(5, 7, 12, .55)), radial-gradient(ellipse at 50% -15%, rgba(21, 82, 153, .34), transparent 45%); content: ""; }
.hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; padding-top: 123px; padding-bottom: 74px; text-align: center; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-glow-blue { top: -100px; left: 36%; width: 520px; height: 320px; background: radial-gradient(circle, rgba(13, 108, 232, .22), transparent 68%); }
.hero-glow-purple { right: 4%; bottom: -80px; width: 420px; height: 420px; background: radial-gradient(circle, rgba(102, 42, 191, .25), transparent 68%); }
.hero-glow-green { bottom: -130px; left: 4%; width: 370px; height: 340px; background: radial-gradient(circle, rgba(35, 159, 86, .18), transparent 68%); }
.hero-badge { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border: 1px solid rgba(225, 234, 250, .18); border-radius: 999px; color: #d5e0f5; background: rgba(255, 255, 255, .08); font-family: var(--mono); font-size: 11px; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(62, 211, 121, .95); }
.hero h1 { max-width: 930px; margin: 26px 0 20px; color: var(--white); font-size: clamp(52px, 8vw, 106px); line-height: .96; letter-spacing: -.075em; }
.hero h1 span { color: #d4dae7; }
.hero-cn { max-width: 740px; margin: 0; color: #cbd3e0; font-size: 20px; line-height: 1.55; }
.hero-en { max-width: 720px; margin: 17px 0 0; color: #8997ad; font-size: 15px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 29px; }
.button { display: inline-flex; align-items: center; gap: 14px; padding: 13px 20px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 800; text-decoration: none; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 8px 24px rgba(8, 121, 255, .28); }
.button-primary:hover { background: #3d97ff; }
.button-secondary { border-color: rgba(255, 255, 255, .18); color: #e1e7f2; background: rgba(255, 255, 255, .07); }
.button-secondary:hover { border-color: rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .13); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); width: min(900px, 100%); margin-top: 72px; border-top: 1px solid rgba(200, 219, 247, .18); }
.hero-stats div { display: flex; flex-direction: column; gap: 4px; padding: 20px 15px 0; color: #74849d; font-family: var(--mono); font-size: 10px; }
.hero-stats div + div { border-left: 1px solid rgba(200, 219, 247, .12); }
.hero-stats strong { color: #d5dfef; font-size: 13px; }

.dark-section { position: relative; background: var(--dark); }
.commitment { padding: 83px 0 0; border-top: 1px solid rgba(255, 255, 255, .06); }
.split-heading { display: grid; grid-template-columns: 1fr 1.12fr; gap: 90px; }
.section-kicker { margin: 0 0 17px; color: #d97bad; font-family: var(--mono); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.dark-section h2 { margin: 0; color: var(--white); font-size: clamp(35px, 4.3vw, 58px); line-height: 1.03; letter-spacing: -.065em; }
.section-copy { align-self: end; max-width: 610px; color: #aeb9ca; font-size: 16px; line-height: 1.75; }
.section-copy p { margin: 0; }
.section-copy p + p { margin-top: 13px; color: #71819b; font-size: 14px; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 72px; border-top: 1px solid var(--line); }
.metric-row div { display: flex; flex-direction: column; gap: 5px; min-height: 119px; padding: 25px 18px 20px 0; font-family: var(--mono); }
.metric-row div + div { padding-left: 21px; border-left: 1px solid var(--line); }
.metric-row strong { color: #e5ebf5; font-size: 14px; }
.metric-row span { color: #7888a0; font-size: 10px; letter-spacing: .04em; }

.documents { padding: 85px 0 100px; background: #0a101c; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.section-note { color: #7888a0; font-family: var(--mono); font-size: 10px; }
.document-grid { display: grid; grid-template-columns: 1.12fr 1fr 1fr; gap: 14px; padding-top: 42px; }
.document-tile { position: relative; display: flex; flex-direction: column; min-height: 286px; padding: 22px 22px 23px; border: 1px solid var(--line); color: #d9e3f2; background: rgba(255, 255, 255, .035); text-decoration: none; transition: transform .2s ease, border-color .2s ease, background .2s ease; overflow: hidden; }
.document-tile:hover { border-color: rgba(92, 159, 255, .65); background: rgba(22, 119, 255, .09); transform: translateY(-3px); }
.document-tile-active { border-color: rgba(22, 119, 255, .72); background: linear-gradient(145deg, rgba(22, 119, 255, .13), rgba(255, 255, 255, .03)); }
.document-tile-planned { border-style: dashed; opacity: .82; }
.tile-top { display: flex; align-items: center; justify-content: space-between; color: #b1bfd4; font-family: var(--mono); font-size: 10px; }
.tile-status { color: var(--green); font-size: 9px; letter-spacing: .08em; }
.tile-status i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--green); vertical-align: 1px; }
.tile-status-muted { color: #8694aa; }
.tile-status-muted i { background: #8694aa; }
.tile-main { position: relative; z-index: 1; margin-top: auto; }
.tile-mark { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 22px; color: var(--white); background: linear-gradient(145deg, var(--blue), var(--purple)); font-family: var(--mono); font-size: 14px; font-weight: 900; }
.document-tile h3 { margin: 0; color: var(--white); font-size: 27px; line-height: 1.05; letter-spacing: -.05em; }
.document-tile p { margin: 10px 0 0; color: #8998b0; font-size: 13px; }
.tile-link { margin-top: 24px; color: var(--blue-light); font-size: 12px; font-weight: 800; }
.tile-link b { margin-left: 7px; font-size: 15px; }

.verification { padding: 90px 0 100px; background: var(--dark); }
.verification-list { padding-top: 1px; }
.verification-list div { display: grid; grid-template-columns: 42px 150px 1fr; gap: 12px; align-items: center; min-height: 65px; border-bottom: 1px solid var(--line); }
.verification-list span { color: #d97bad; font-family: var(--mono); font-size: 11px; font-weight: 800; }
.verification-list strong { color: #e5ebf5; font-size: 15px; }
.verification-list p { margin: 0; color: #8291aa; font-size: 13px; }

.support { padding: 73px 0 88px; background: #080c16; border-top: 1px solid rgba(255, 255, 255, .07); }
.support-grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: 90px; }
.support-links { border-top: 1px solid var(--line); }
.support-links a { display: flex; align-items: center; justify-content: space-between; min-height: 65px; border-bottom: 1px solid var(--line); color: #dae3f1; font-size: 15px; text-decoration: none; }
.support-links a:hover { color: var(--blue-light); }
.support-links b { color: var(--blue); font-size: 18px; }

.site-footer { color: #c5d1e5; background: #050810; border-top: 1px solid rgba(255, 255, 255, .1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 34px; padding-top: 48px; padding-bottom: 45px; }
.footer-mark { display: block; width: 202px; opacity: .98; }
.footer-company-name { display: block; color: var(--white); font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
.footer-brand p { margin: 17px 0 0; color: #8d9bb1; font-size: 12px; line-height: 1.75; }
.footer-brand a, .footer-grid a { color: #e1e8f3; text-decoration: none; }
.footer-grid a:hover { color: var(--blue-light); }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; font-size: 12px; }
.footer-label { margin: 0 0 3px; color: #d97bad; font-size: 9px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 17px; padding-bottom: 22px; border-top: 1px solid rgba(255, 255, 255, .1); color: #677791; font-family: var(--mono); font-size: 9px; }

@media (max-width: 900px) {
  .shell { width: min(var(--max), calc(100% - 42px)); }
  .nav { gap: 15px; }
  .nav a:not(.nav-cta) { display: none; }
  .hero-inner { padding-top: 92px; }
  .split-heading, .support-grid { grid-template-columns: 1fr; gap: 35px; }
  .document-grid { grid-template-columns: 1fr 1fr; }
  .document-tile:first-child { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 570px) {
  .shell { width: min(var(--max), calc(100% - 28px)); }
  .header-inner { min-height: 60px; }
  .header-mark { width: 166px; }
  .brand-context { display: none; }
  .hero { min-height: 670px; }
  .hero-inner { padding-top: 78px; }
  .hero-badge { font-size: 9px; }
  .hero h1 { font-size: 55px; }
  .hero-cn { font-size: 17px; }
  .hero-en { font-size: 13px; }
  .hero-actions { align-items: stretch; flex-direction: column; width: min(300px, 100%); }
  .button { justify-content: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 56px; }
  .hero-stats div:nth-child(3) { border-left: 0; }
  .hero-stats div { min-height: 92px; padding-top: 17px; }
  .metric-row { grid-template-columns: 1fr 1fr; margin-top: 48px; }
  .metric-row div { min-height: 92px; }
  .metric-row div:nth-child(3) { padding-left: 0; border-left: 0; }
  .document-grid { grid-template-columns: 1fr; }
  .document-tile:first-child { grid-column: auto; }
  .verification-list div { grid-template-columns: 35px 1fr; gap: 10px; padding: 14px 0; }
  .verification-list p { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 27px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
