:root{--ink:#10233f;--muted:#667b96;--blue:#1677ff;--cyan:#17bfe3;--line:#dce9f7;--card:#fff;--shadow:0 24px 70px rgba(30,81,137,.14)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:radial-gradient(circle at 15% 10%,#dceeff 0,transparent 34%),linear-gradient(180deg,#f5f9ff 0,#fff 58%);min-height:100vh}.topbar{height:86px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand img{width:50px;height:50px;border-radius:15px;box-shadow:0 10px 24px rgba(0,99,126,.2)}.brand span{display:flex;align-items:baseline;gap:9px}.brand b{font-size:25px;letter-spacing:2px}.brand small{font-size:13px;color:#6c809a}.privacy{font-size:13px;color:#53708e;background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:99px;box-shadow:0 5px 18px rgba(31,91,150,.06)}.privacy i,.live-pill i{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:#28c77a;box-shadow:0 0 0 4px #dff8ec}.hero{max-width:1240px;min-height:690px;margin:auto;padding:55px 28px 85px;display:grid;grid-template-columns:.82fr 1.18fr;gap:72px;align-items:center}.kicker,.modal-kicker,.section-heading>span{color:#1378ff;font:700 12px/1.2 ui-monospace,monospace;letter-spacing:3px}.hero h1{font-size:66px;line-height:1.1;letter-spacing:-3px;margin:22px 0}.hero h1 em{font-style:normal;color:#0b81d8;background:linear-gradient(100deg,#176aff,#12bad8);-webkit-background-clip:text;color:transparent}.hero-copy>p{max-width:440px;color:var(--muted);font-size:17px;line-height:1.9}.cta{border:0;border-radius:14px;background:linear-gradient(120deg,#106cff,#1598ee);color:#fff;font-weight:700;font-size:17px;padding:17px 28px;cursor:pointer;box-shadow:0 13px 28px rgba(18,113,242,.25);transition:.2s}.cta:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(18,113,242,.3)}.cta:disabled{opacity:.45;cursor:not-allowed;transform:none}.camera-icon{display:inline-flex;width:20px;height:15px;align-items:center;justify-content:center;border:2px solid #fff;border-radius:4px;margin-right:10px;font-size:7px}.trust{display:flex;gap:18px;margin-top:22px;color:#71849b;font-size:13px}.trust span:before{content:"✓";color:#19a66d;font-weight:bold;margin-right:5px}.showcase{position:relative}.photo-frame{height:530px;border-radius:32px;overflow:hidden;background:#dce9f4;box-shadow:var(--shadow);position:relative;border:8px solid rgba(255,255,255,.82);transform:rotate(1deg)}.photo-frame>img{width:100%;height:100%;display:block;object-fit:cover;transition:opacity .6s}.photo-shade{position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(6,20,42,.72))}.photo-caption{position:absolute;left:34px;bottom:31px;color:#fff;display:flex;flex-direction:column;gap:7px}.photo-caption span{font-size:12px;opacity:.8}.photo-caption b{font-size:22px}.live-pill{position:absolute;right:22px;top:22px;background:rgba(255,255,255,.91);backdrop-filter:blur(12px);padding:9px 13px;border-radius:99px;font-size:12px}.float-card{position:absolute;right:-22px;bottom:-34px;width:275px;background:#fff;padding:19px 22px;border-radius:17px;box-shadow:0 18px 45px rgba(19,67,116,.18);display:flex;flex-direction:column;gap:6px}.float-card span{font-size:12px;color:var(--muted)}.photo-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6e86a1;background:linear-gradient(145deg,#dbeeff,#edf7ff);gap:9px}.photo-empty span{display:grid;place-items:center;width:70px;height:70px;border-radius:50%;background:#fff;color:#1687d6;font-size:28px}.photo-empty b{font-size:20px}.photo-empty small{font-size:13px}.results{padding:85px 28px 100px;max-width:1240px;margin:auto;border-top:1px solid var(--line)}.section-heading{text-align:center}.section-heading h2{font-size:40px;margin:14px 0 7px}.section-heading p{color:var(--muted)}.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:38px 0}.result-card{border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 8px 28px rgba(27,75,126,.11);cursor:pointer;transition:.2s}.result-card:hover{transform:translateY(-5px)}.result-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.result-card div{padding:13px 15px;display:flex;justify-content:space-between}.result-card b{font-size:14px}.result-card span{font-size:12px;color:var(--muted)}.secondary{display:block;margin:auto;padding:12px 22px;background:#fff;border:1px solid #bcd4ee;border-radius:10px;color:#26628f;cursor:pointer}.modal[hidden],.viewer[hidden]{display:none}.modal,.viewer{position:fixed;inset:0;z-index:20;background:rgba(5,18,36,.72);backdrop-filter:blur(10px);display:grid;place-items:center;padding:18px}.modal-card{background:#fff;width:min(520px,100%);padding:34px;border-radius:26px;position:relative;text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.3)}.modal-card h2{font-size:30px;margin:10px 0 5px}.modal-card p{color:var(--muted);margin:0 0 20px}.close{position:absolute;right:16px;top:13px;border:0;background:transparent;font-size:30px;color:#7990a8;cursor:pointer}.camera-stage{position:relative;aspect-ratio:4/3;background:#102035;border-radius:19px;overflow:hidden;margin-bottom:12px}.camera-stage video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.face-guide{position:absolute;width:42%;aspect-ratio:3/4;border:2px solid rgba(255,255,255,.8);border-radius:50%;left:29%;top:11%;box-shadow:0 0 0 999px rgba(5,18,35,.18)}.camera-message{position:absolute;inset:0;display:grid;place-items:center;color:#fff;background:#14263b}.camera-message[hidden]{display:none}.modal select{width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;margin-bottom:10px}.modal .cta{width:100%}.upload-link,.cert-help{display:block;margin-top:14px;color:#2876bd;font-size:13px;cursor:pointer}.cert-help{color:#8b6a20}.searching{padding:75px 10px}.spinner{width:60px;height:60px;border:5px solid #dfeeff;border-top-color:#1677ff;border-radius:50%;margin:0 auto 24px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.viewer{z-index:30}.viewer img{max-width:90vw;max-height:82vh;border-radius:12px;box-shadow:0 20px 70px #000}.viewer button{position:absolute;right:25px;top:18px;background:none;border:0;color:#fff;font-size:40px}.viewer a{position:absolute;bottom:22px;background:#1477ef;color:#fff;padding:13px 26px;border-radius:12px;text-decoration:none}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#12263e;color:#fff;padding:12px 19px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:40}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:800px){.topbar{height:70px}.privacy{display:none}.hero{grid-template-columns:1fr;padding-top:35px;gap:48px}.hero h1{font-size:48px}.photo-frame{height:410px}.float-card{right:10px}.result-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.hero{padding-left:18px;padding-right:18px}.hero h1{font-size:41px}.hero-copy>p{font-size:15px}.photo-frame{height:350px;border-radius:22px}.trust{gap:10px}.result-grid{grid-template-columns:1fr}.modal-card{padding:28px 18px}.brand b{font-size:21px}}