:root{--tg-sky: #e8f6fd;--tg-panel: #ffffff;--tg-ink: #0f1b24;--tg-muted: #5a7383;--tg-blue: #2aabee;--tg-blue-deep: #1e96d0;--tg-blue-soft: rgba(42, 171, 238, .14);--tg-line: rgba(15, 27, 36, .08);--tg-radius: 20px;--tg-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--tg-display: "Segoe UI Semibold", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;font-family:var(--tg-font);color:var(--tg-ink);background:radial-gradient(920px 460px at 50% -18%,rgba(42,171,238,.35),transparent 58%),radial-gradient(640px 360px at 100% 20%,rgba(91,200,245,.18),transparent 55%),linear-gradient(180deg,#d7effb 0%,var(--tg-sky) 42%,#f4fafd 100%);padding:0 0 40px;-webkit-font-smoothing:antialiased}.hero{padding:36px 20px 28px;text-align:center;animation:rise .55s ease both}.brand-mark{width:64px;height:64px;margin:0 auto 16px;border-radius:22px;background:linear-gradient(160deg,#5bc8f5,var(--tg-blue) 55%,var(--tg-blue-deep));display:grid;place-items:center;box-shadow:0 14px 36px #2aabee59}.brand-mark svg{width:34px;height:34px;fill:#fff}.hero h1{font-family:var(--tg-display);font-size:clamp(28px,8vw,34px);font-weight:700;letter-spacing:-.3px;line-height:1.15;color:var(--tg-ink)}.hero h1 span{color:var(--tg-blue)}.hero p{margin-top:8px;font-size:14px;color:var(--tg-muted)}.page{max-width:440px;margin:0 auto;padding:0 16px}.container{background:var(--tg-panel);border:1px solid rgba(255,255,255,.7);border-radius:var(--tg-radius);padding:22px 18px 20px;box-shadow:0 18px 48px #1e648c1f;animation:rise .65s ease .06s both}.input-group{margin-bottom:18px}.input-group label{display:block;font-size:13px;font-weight:600;color:var(--tg-muted);margin-bottom:8px}.input-group input[type=text]{width:100%;padding:13px 14px;font-size:16px;font-family:var(--tg-font);color:var(--tg-ink);background:#f3f8fb;border:1px solid var(--tg-line);border-radius:14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}.input-group input[type=text]::placeholder{color:#9bb0bd}.input-group input[type=text]:focus{background:#fff;border-color:#2aabee8c;box-shadow:0 0 0 4px var(--tg-blue-soft)}.section-label{font-size:13px;font-weight:600;color:var(--tg-muted);margin-bottom:10px}.options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.option{padding:14px 8px 12px;border:1.5px solid var(--tg-line);border-radius:14px;background:#f7fbfd;font-size:12px;font-weight:500;color:var(--tg-muted);cursor:pointer;transition:transform .12s ease,border-color .2s,background .2s,box-shadow .2s;text-align:center;line-height:1.35;-webkit-user-select:none;user-select:none}.option b{display:block;margin-top:6px;font-family:var(--tg-display);font-size:17px;font-weight:700;color:var(--tg-ink)}.option:hover{border-color:#2aabee59;background:#fff}.option:active{transform:scale(.97)}.option.selected{border-color:var(--tg-blue);background:linear-gradient(180deg,#eaf7fe,#fff);color:var(--tg-blue-deep);box-shadow:0 8px 22px #2aabee2e}.option.selected b{color:var(--tg-blue)}.next-button{width:100%;border:none;border-radius:14px;padding:14px 18px;font-family:var(--tg-font);font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,#5bc8f5,var(--tg-blue) 50%,var(--tg-blue-deep));box-shadow:0 10px 24px #2aabee52;cursor:pointer;transition:transform .12s ease,filter .2s}.next-button:hover{filter:brightness(1.04)}.next-button:active{transform:scale(.985)}.note{font-size:12px;color:var(--tg-muted);text-align:left;margin-top:16px;line-height:1.75;padding-top:14px;border-top:1px dashed rgba(15,27,36,.1)}.footer{margin-top:20px;text-align:center;font-size:12px;color:#7a93a3;animation:rise .7s ease .12s both}.tg-modal{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;align-items:center;justify-content:center;padding:20px;background:#0f1b246b;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.tg-modal.is-open{display:flex}.tg-modal-card{width:100%;max-width:300px;background:#fff;border-radius:16px;padding:18px 16px 14px;box-shadow:0 20px 48px #0f1b242e;animation:rise .28s ease both}.tg-modal-title{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--tg-ink)}.tg-modal-body{color:var(--tg-muted);font-size:14px;line-height:1.6;margin-bottom:14px}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@media(max-width:380px){.options{grid-template-columns:repeat(2,1fr)}}