:root {
  --bg: #0f1115; --bg-2: #171a21; --bg-3: #1f232c; --fg: #e8eaee; --fg-2: #a9afbb; --fg-3: #737a88;
  --accent: #f2c14e; --accent-fg: #1a1400; --line: #2a2f3a; --ok: #6fcf97; --warn: #f2994a;
  --radius: 14px; --max: 1100px;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #ffffff; --bg-2: #f5f6f8; --bg-3: #eceef2; --fg: #15181e; --fg-2: #4b515c; --fg-3: #7a8190; --line: #dfe3ea; --accent: #b8860b; --accent-fg: #fff; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.92em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
header.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; letter-spacing: 0.2px; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
nav.menu { display: flex; gap: 22px; font-size: 15px; color: var(--fg-2); }
nav.menu a { text-decoration: none; }
nav.menu a:hover { color: var(--fg); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; font-size: 13px; }
.lang button { background: transparent; color: var(--fg-2); border: 0; padding: 5px 12px; cursor: pointer; font: inherit; font-size: 13px; }
.lang button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
.hero { padding: 72px 0 40px; }
.hero .eyebrow { color: var(--accent); font-weight: 600; letter-spacing: 0.4px; font-size: 14px; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.1; margin: 10px 0 18px; letter-spacing: -0.5px; }
.hero p.lead { font-size: 20px; color: var(--fg-2); max-width: 760px; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; text-decoration: none; font-weight: 600; border: 1px solid var(--line); background: var(--bg-2); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.btn small { font-weight: 400; color: inherit; opacity: 0.8; }
.note { color: var(--fg-3); font-size: 14px; }
.shot.crop img { height: 440px; object-fit: cover; object-position: top; width: 100%; }
.shot { margin: 36px 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-2); box-shadow: 0 30px 80px rgba(0,0,0,0.35); }
section { padding: 56px 0; border-top: 1px solid var(--line); }
section h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 10px; letter-spacing: -0.3px; }
section p.sub { color: var(--fg-2); font-size: 18px; margin: 0 0 28px; max-width: 780px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.stat { font-size: 40px; font-weight: 700; letter-spacing: -1px; line-height: 1; }
.stat small { font-size: 15px; font-weight: 500; color: var(--fg-2); letter-spacing: 0; margin-left: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--fg-2); font-weight: 600; }
td.mono { white-space: nowrap; }
.steps { counter-reset: s; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.step { position: relative; padding: 22px 22px 22px 64px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before { counter-increment: s; content: counter(s); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-fg); font-weight: 700; display: grid; place-items: center; }
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--fg-2); font-size: 15px; }
.two { display: grid; gap: 28px; grid-template-columns: 1.1fr 1fr; align-items: center; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.callout { border-left: 4px solid var(--accent); background: var(--bg-2); padding: 16px 20px; border-radius: 10px; color: var(--fg-2); }
.facts li { margin: 8px 0; }
footer { padding: 40px 0 60px; border-top: 1px solid var(--line); color: var(--fg-3); font-size: 13.5px; }
footer p { margin: 6px 0; }
[data-lang] { display: none; }
html[lang="zh-Hant"] [data-lang="zh"], html[lang="en"] [data-lang="en"] { display: revert; }
html[lang="zh-Hant"] span[data-lang="zh"], html[lang="en"] span[data-lang="en"] { display: inline; }
.sr { position: absolute; left: -9999px; }