.site{--rail-width: 76px;min-height:100vh;margin:0;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;background:#f8fafc;color:#0f172a}.site-rail{position:fixed;left:max(10px,env(safe-area-inset-left,0px));top:0;bottom:0;z-index:20;width:var(--rail-width);height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center;pointer-events:none;box-sizing:border-box}.site-rail-inner{pointer-events:auto;width:46px;display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px 8px;border:1px solid #cbd5e1;border-radius:12px;background:#fffffff0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 18px 50px #0f172a1f;box-sizing:border-box}.brand{margin:0;padding-bottom:10px;border-bottom:1px solid #dbe3ef;font-size:15px;font-weight:700;line-height:1;letter-spacing:.18em;writing-mode:vertical-rl;text-orientation:upright;text-align:center}.side-nav{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%}.side-nav a{display:flex;align-items:center;justify-content:center;width:30px;min-height:46px;padding:6px 0;border-radius:8px;color:#2563eb;font-size:15px;line-height:1;letter-spacing:.16em;text-decoration:none;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;cursor:pointer;transition:background .15s ease,color .15s ease}.side-nav a:hover{background:#e2e8f0;color:#020617}.side-nav a.nav-try-web{font-weight:500;color:#64748b;letter-spacing:.12em}.site-main{width:calc(100% - var(--rail-width) - 12px);margin-left:calc(var(--rail-width) + 10px);margin-right:auto;min-width:0;display:flex;flex-direction:column;align-items:center;box-sizing:border-box}.auth-actions{display:flex;align-items:center;gap:10px}.hero-auth-actions{justify-content:flex-end;margin-bottom:22px}.welcome{font-size:12px;color:#64748b}button,input{border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;padding:9px 12px}button{cursor:pointer}button.ghost{background:transparent}.hero{max-width:1120px;margin:0 auto;padding:48px 24px 80px}.hero-main h1{font-size:46px;line-height:1.15;margin:0 0 12px}.badge{display:inline-block;margin:0 0 18px;font-size:13px;padding:6px 10px;border:1px solid #bfdbfe;border-radius:999px;color:#1d4ed8;background:#eff6ff}.sub{max-width:820px;color:#475569;line-height:1.7}.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px}.cta-primary{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:10px;border:1px solid #3b82f6;background:linear-gradient(180deg,#3b82f6,#2563eb);color:#f8fafc;font-size:inherit;font-family:inherit;font-weight:600;box-shadow:0 8px 18px #2563eb2e;cursor:pointer}.cta-primary:hover{filter:brightness(1.06)}.cta-try-editor{font-size:14px}.status{margin-top:14px;color:#2563eb}.feature-grid{margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.features-heading{grid-column:1 / -1;margin:0 0 8px;font-size:28px;letter-spacing:.02em}.features-lead{grid-column:1 / -1;margin:0 0 18px;max-width:900px;line-height:1.65}.feature-card{border:1px solid #dbe3ef;border-radius:14px;padding:16px;background:#fff;box-shadow:0 10px 24px #0f172a0d}.feature-tag{margin:0;font-size:12px;color:#2563eb}.feature-card h3{margin:8px 0}.demo-wrap,.pricing{margin-top:42px}.pricing-api-note{margin:0 0 12px;padding:10px 12px;border-radius:10px;border:1px solid #facc15;background:#fefce8;color:#854d0e;font-size:13px;line-height:1.55}.demo-carousel{margin-top:14px;display:grid;grid-template-columns:44px 1fr 44px;gap:10px;align-items:center}.nav-btn{width:44px;height:44px;border-radius:999px;padding:0;font-size:24px}.shot-large{border:1px solid #dbe3ef;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 12px 30px #0f172a0f}.shot-large img{width:100%;display:block;cursor:zoom-in;border-bottom:1px solid #e2e8f0}.shot-caption{padding:12px 14px}.shot-caption h3{margin:0}.shot-caption p{margin:6px 0 0;color:#475569}.shot-thumbs{margin-top:10px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.thumb{padding:6px;border:1px solid #dbe3ef;border-radius:10px;background:#fff;display:grid;gap:6px;text-align:left}.thumb.active{border-color:#2563eb;box-shadow:0 0 0 1px #2563eb inset}.thumb img{width:100%;border-radius:6px}.thumb span{font-size:12px;color:#475569}.demo-note{margin-top:12px;border:1px solid #dbe3ef;border-radius:12px;padding:12px 14px;background:#fff}.demo-note h3{margin:0 0 8px}.demo-note ul{margin:0;padding-left:18px}.demo-note p{margin:8px 0 0;color:#64748b}.price-card{max-width:360px;border:1px solid #dbe3ef;border-radius:16px;padding:16px;background:#fff;box-shadow:0 10px 24px #0f172a0d}.price-plan{color:#2563eb;margin:0 0 6px}.price{margin:0;font-size:34px;font-weight:700}.muted{color:#64748b}.cta-secondary{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:10px;border:1px solid #cbd5e1;background:#fff;color:#0f172a;font-size:inherit;text-decoration:none}.invite-row{margin-top:14px;display:grid;grid-template-columns:110px 1fr;align-items:center;gap:10px;max-width:480px;font-size:13px;color:#475569}.plan-grid{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.plan-card{border:1px solid #dbe3ef;border-radius:16px;padding:18px;background:#fff;display:grid;gap:8px;box-shadow:0 10px 24px #0f172a0d}.plan-card.plan-early_bird{border-color:#22c55e;box-shadow:0 0 0 1px #22c55e66 inset}.plan-card.plan-bulk{border-color:#f97316}.plan-card.plan-free{margin-top:18px;max-width:360px;border-style:dashed}.plan-tag{margin:0;color:#2563eb;font-size:12px;letter-spacing:.4px;text-transform:uppercase}.plan-card h3{margin:4px 0 0;font-size:18px}.plan-price{margin:6px 0 0;font-size:30px;font-weight:700}.plan-unit{font-size:14px;font-weight:400;color:#64748b}.plan-features{margin:8px 0 12px;padding-left:18px;color:#475569;font-size:13px;display:grid;gap:4px}.packs{margin-top:42px}.pack-grid{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.pack-card{border:1px solid #dbe3ef;border-radius:14px;background:#fff;padding:14px;display:grid;gap:8px;box-shadow:0 10px 24px #0f172a0d}.pack-card img{width:100%;border-radius:10px;display:block}.pack-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.pack-price{font-size:18px;font-weight:700}.empty-card{margin-top:14px;border:1px dashed #cbd5e1;border-radius:12px;padding:18px;text-align:center;color:#64748b}.download{margin-top:42px}.download-grid{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.download-card{border:1px solid #dbe3ef;border-radius:14px;padding:18px;background:#fff;display:grid;gap:6px;text-decoration:none;color:inherit;box-shadow:0 10px 24px #0f172a0d}.download-card h3{margin:0}.download-card:hover{border-color:#93c5fd}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a5c;display:grid;place-items:center;z-index:40}.modal{width:min(420px,calc(100vw - 32px));background:#fff;border:1px solid #dbe3ef;border-radius:16px;padding:16px;display:grid;gap:12px;box-shadow:0 24px 70px #0f172a2e}.modal label{display:grid;gap:6px;font-size:13px;color:#475569}.modal-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.modal-tabs button.active{background:#2563eb;border-color:#2563eb;color:#fff}.inline-input{display:grid;grid-template-columns:1fr auto;gap:8px}.policy{display:flex!important;align-items:center;gap:8px}.submit{background:#2563eb;border-color:#2563eb;color:#fff}.footer{padding:18px 24px 26px;color:#64748b;border-top:1px solid #dbe3ef;background:#fff}.preview-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8a;display:grid;place-items:center;z-index:50}.preview{width:min(1080px,calc(100vw - 40px));border-radius:14px;border:1px solid #dbe3ef;overflow:hidden;background:#fff;box-shadow:0 24px 70px #0f172a38}.preview img{width:100%;display:block}.preview-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px}@media (max-width: 980px){.site{--rail-width: 58px}.site-rail{left:6px}.site-rail-inner{width:40px;padding:12px 5px}.brand,.side-nav a{font-size:13px}.side-nav a{width:28px;min-height:40px}.feature-grid,.shot-thumbs,.demo-carousel{grid-template-columns:1fr}.nav-btn{width:100%;height:auto;border-radius:10px}.hero-main h1{font-size:34px}}