:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#2563eb;--primary-dark:#1d4ed8;--soft:#eef4ff;--green:#16803c;--max:1080px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}a{color:inherit}.container{width:min(var(--max),calc(100% - 32px));margin:auto}.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:800;font-size:18px;text-decoration:none}.nav-links{display:flex;gap:18px;align-items:center;font-size:14px}.nav-links a{text-decoration:none;color:#4b5563}.nav-links a:hover{color:var(--primary)}.hero{padding:92px 0 72px;background:linear-gradient(180deg,#fff 0%,#f5f7fb 100%)}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--soft);color:#174ea6;font-weight:700;font-size:13px}h1{font-size:clamp(36px,6vw,64px);line-height:1.12;margin:18px 0;letter-spacing:-1.4px}.hero p{font-size:18px;color:var(--muted);max-width:720px;margin:0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-block;text-decoration:none;border-radius:12px;padding:12px 18px;font-weight:700;border:1px solid var(--line);background:#fff}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.section{padding:70px 0}.section h2{font-size:32px;line-height:1.2;margin:0 0 12px}.section-lead{color:var(--muted);margin:0 0 30px;max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:14px}.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}.step-num{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:800}.step h3{margin:3px 0;font-size:17px}.step p{margin:0;color:var(--muted)}.privacy-box{background:#f7fbf8;border:1px solid #d9eadf;border-radius:16px;padding:24px}.privacy-box strong{color:var(--green)}.footer{border-top:1px solid var(--line);background:#fff;padding:28px 0;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer a{text-decoration:none}.legal{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;margin:40px auto 70px}.legal h1{font-size:34px;margin:0 0 8px;letter-spacing:-.6px}.legal h2{font-size:21px;margin:30px 0 8px}.legal p,.legal li{color:#4b5563}.meta{color:var(--muted);font-size:13px;margin-bottom:26px}@media(max-width:800px){.grid{grid-template-columns:1fr}.nav-links{gap:10px;font-size:12px}.hero{padding:66px 0 54px}.section{padding:52px 0}}