:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#162534;--muted:#718092;--pink:#fb7299;--line:#e9edf1;--bg:#f8fafb}*{box-sizing:border-box}html,body{min-height:100%;color:var(--ink);background:var(--bg);margin:0;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}button{font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}.shell{max-width:1160px;margin:auto;padding:0 32px}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:84px;display:flex}.brand{letter-spacing:.02em;align-items:center;gap:11px;font-size:18px;font-weight:700;display:flex}.mark{background:var(--pink);color:#fff;border-radius:10px;place-items:center;width:34px;height:34px;font-size:18px;display:grid}.topnote{color:var(--muted);font-size:13px}.hero{grid-template-columns:1fr 430px;align-items:center;gap:10%;min-height:660px;display:grid}.eyebrow,.section-label{letter-spacing:.17em;color:var(--pink);font-size:12px;font-weight:700}h1{letter-spacing:-.055em;margin:22px 0 25px;font-size:clamp(45px,5.2vw,72px);font-weight:760;line-height:1.14}.intro>p{color:var(--muted);max-width:450px;font-size:17px;line-height:1.9}.steps{color:#a7b1bc;flex-wrap:wrap;gap:23px;margin-top:67px;font-size:12px;font-weight:600;display:flex}.card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:22px;min-height:470px;padding:26px 30px 30px;box-shadow:0 20px 70px #1625340e}.steps .current{color:var(--pink)}.card-head{text-align:left;align-items:center;gap:10px;font-size:13px;font-weight:700;display:flex}.card-icon{width:26px;height:26px;color:var(--pink);background:#fff0f5;border-radius:8px;place-items:center;font-size:18px;display:grid}.qr-wrap{place-items:center;height:252px;margin-top:13px;display:grid}.qr-wrap svg{background:#fff;border:1px solid #f1f2f5;border-radius:12px;padding:10px}.qr-placeholder{width:210px;height:210px;color:var(--muted);background:#f6f8fa;border-radius:12px;place-items:center;display:grid}.card h2{letter-spacing:-.03em;margin:10px 0 8px;font-size:21px}.card-note,.logged p{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.text-button{color:var(--pink);background:0 0;border:0;margin:20px auto 0;font-size:13px;font-weight:700;display:block}.text-button:hover{text-decoration:underline}.error{color:#c23e56;background:#fff0f1;border-radius:8px;padding:9px 12px;font-size:13px;line-height:1.5}.logged{padding:55px 0 15px}.avatar{width:82px;height:82px;color:var(--pink);background:#fff0f5;border-radius:50%;place-items:center;margin:0 auto 18px;font-size:31px;font-weight:700;display:grid}.primary{background:var(--pink);color:#fff;border:0;border-radius:10px;width:100%;height:46px;margin-top:32px;font-weight:700}.primary:hover{background:#e9618a}.auto-rule{margin-top:9px!important}.question{border:1px solid var(--line);background:#fff;border-radius:20px;margin-bottom:60px;padding:36px}.question h2{margin:8px 0 20px}.question img{border:1px solid var(--line);border-radius:8px;max-width:100%;display:block}.question p{color:var(--muted);font-size:13px}.auto-log{color:var(--ink);margin:0;padding-left:22px;font-size:14px;line-height:2}.answer-actions{gap:10px;margin-top:24px;display:flex}.answer-actions button{border:1px solid var(--line);background:#fff;border-radius:9px;width:48px;height:44px;font-weight:700}.answer-actions button:hover:not(:disabled){border-color:var(--pink);color:var(--pink)}.answer-ok,.answer-wrong{margin-top:16px;font-weight:700}.answer-ok{color:#278159}.answer-wrong{color:#d0525d}.answer-ok button,.answer-wrong button{color:var(--pink);background:0 0;border:0;margin-left:18px;font-weight:700}footer{border-top:1px solid var(--line);color:#9ba8b4;padding:25px 0 36px;font-size:12px}@media (max-width:800px){.shell{padding:0 20px}.topbar{height:68px}.topnote{display:none}.hero{min-height:0;padding:64px 0 44px;display:block}.intro>p{font-size:15px}.steps{gap:15px;margin:32px 0 42px}.card{max-width:480px;margin:auto}h1{font-size:48px}.question{padding:24px}}