:root{--bg: #101411;--surface: #1c241d;--line: #2a352b;--fg: #edf5ea;--muted: #a7b3a4;--accent: #d4ee9f;color-scheme:dark;font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--fg);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}a{color:var(--accent)}.page{width:min(1080px,calc(100% - 32px));margin:0 auto}.top{display:flex;align-items:center;justify-content:space-between;padding:20px 0}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.04em}.brand img{border-radius:9px}.lang{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:14px;cursor:pointer}.lang:hover{color:var(--fg);border-color:var(--muted)}.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:center;padding:48px 0 72px}.status{display:inline-block;margin:0 0 20px;padding:5px 12px;border-radius:999px;background:#d4ee9f1f;color:var(--accent);font-size:13px;font-weight:600}h1{margin:0;font-size:clamp(34px,5.4vw,58px);line-height:1.15;letter-spacing:-.02em}.lede{max-width:560px;margin:22px 0 0;color:var(--muted);font-size:18px;line-height:1.75}.phone{position:relative;justify-self:center;width:min(280px,100%);padding:12px;border:1px solid var(--line);border-radius:34px;background:#0b0f0c;box-shadow:0 30px 80px #00000073}.viewfinder{display:block;width:100%;height:auto}.hint{position:absolute;left:50%;bottom:30px;transform:translate(-50%);padding:8px 16px;border-radius:999px;background:#101411db;color:var(--fg);font-size:14px;font-weight:600;white-space:nowrap}h2{margin:0 0 22px;font-size:26px;letter-spacing:-.01em}.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.features article{padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.index{color:var(--accent);font-size:13px;font-weight:700}h3{margin:12px 0 8px;font-size:19px}.features p{margin:0;color:var(--muted);line-height:1.7;font-size:15px}.principles{padding:72px 0 24px}.principles ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none}.principles li{display:flex;flex-direction:column;gap:6px;padding:18px 0 0;border-top:2px solid var(--accent)}.principles strong{font-size:17px}.principles span{color:var(--muted);line-height:1.7;font-size:15px}footer{margin-top:64px;padding:28px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:12px}footer p{margin:6px 0 0}.copyright{color:#6f7c6c}@media(max-width:900px){.features{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.hero{grid-template-columns:1fr;gap:36px;padding:24px 0 56px}.lede{font-size:16px}.features,.principles ul{grid-template-columns:1fr}.principles{padding-top:56px}}