:root{--ink: #15201c;--ink-2: #4a5854;--ink-3: #8a9691;--line: #c9d2ce;--paper: #dfe5e2;--card: #ffffff;--seal: #0f6e4c;--alert: #9e3b2e;--accent: #e8672c;--accent-2: #ffb35a;font-family:system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}.screen{max-width:420px;margin:0 auto;min-height:100vh;background:var(--card);padding:24px 18px;display:flex;flex-direction:column}.field{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px 10px;font-size:15px;margin-bottom:10px}.btn{background:var(--seal);color:#fff;border:none;border-radius:8px;padding:13px;font-size:15px;font-weight:600;cursor:pointer;margin-top:4px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--seal);border:1.4px solid var(--seal)}.card{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:#fff}.error-banner{border-left:3px solid var(--alert);background:#faf0ee;padding:10px;border-radius:0 8px 8px 0;font-size:13px;margin-bottom:12px}.banner{border-left:3px solid var(--seal);background:#f2f8f5;padding:9px 10px;font-size:11.5px;border-radius:0 8px 8px 0;margin-bottom:11px}.row{display:flex;gap:8px}.row>*{flex:1}.kv{display:flex;justify-content:space-between;font-size:12px;padding:6px 0;border-bottom:1px dotted var(--line)}.kv span:first-child{color:var(--ink-3)}.kv.total{border-bottom:none;font-weight:700;font-size:13.5px;padding-top:9px}.credential{border:1px solid var(--ink);border-radius:8px;padding:10px;margin-bottom:8px;font-size:17px;letter-spacing:.06em;display:flex;justify-content:space-between;align-items:center}.credential small{font-size:10px;letter-spacing:0;color:var(--ink-3);display:block;font-weight:600}.ok{color:var(--seal)}.warn{color:#a9761a}.bad{color:var(--alert)}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;background:var(--card);display:flex;flex-direction:column;position:relative}.top-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:11px 14px;background:#fff;border-bottom:1px solid var(--line)}.top-bar .logo-mark{width:30px;height:30px;border-radius:8px;background:var(--seal);flex:none;display:flex;align-items:center;justify-content:center;color:#fff}.top-bar .title{font-size:14.5px;font-weight:600}.top-bar .spacer{flex:1}.icon-btn{background:none;border:none;padding:6px;cursor:pointer;color:var(--ink-2);display:flex;align-items:center;position:relative}.cart-badge{position:absolute;top:-1px;right:-1px;background:var(--alert);color:#fff;border-radius:99px;font-size:9px;font-weight:700;min-width:15px;height:15px;display:flex;align-items:center;justify-content:center;padding:0 3px;line-height:1}.shell-content{flex:1;padding:14px 14px 84px}.shell-content.with-bottom-nav{padding-bottom:84px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;margin:0 auto;max-width:480px;display:flex;background:#fff;border-top:1px solid var(--line);z-index:10}.bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 2px 10px;background:none;border:none;font-size:9.5px;color:var(--ink-3);cursor:pointer}.bottom-nav button.active{color:var(--seal);font-weight:600}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#15201c66;z-index:20}.sidebar{position:fixed;top:0;left:0;bottom:0;width:270px;background:#fff;z-index:21;padding:20px 16px;overflow-y:auto}.sidebar a,.sidebar button.link{display:block;width:100%;text-align:left;background:none;border:none;padding:10px 4px;font-size:13.5px;color:var(--ink);text-decoration:none;cursor:pointer;border-bottom:1px solid var(--line)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.product-card{border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden;cursor:pointer}.product-card .thumb{aspect-ratio:1 / 1;background:#eef2f0}.product-card .body{padding:8px 9px 10px}.chip-row{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px}.chip{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:5px 12px;font-size:11px;color:var(--ink-2);cursor:pointer;white-space:nowrap;background:#fff;flex:none}.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}.landing{max-width:480px;margin:0 auto;min-height:100vh;background:var(--card);padding-bottom:84px;position:relative}.landing-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 6px}.landing-logo{display:flex;align-items:center;gap:9px}.landing-logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--seal),#0a4c34);display:flex;align-items:center;justify-content:center;flex:none}.landing-logo .word{font-size:19px;font-weight:800;line-height:1}.landing-logo .word .accent{color:var(--accent)}.landing-logo .tag{font-size:8px;letter-spacing:.16em;color:var(--ink-3);font-weight:700;margin-top:2px}.landing-hero{padding:10px 20px 22px;background:radial-gradient(120% 100% at 100% 0%,#fdf1e6,#fdf1e600 60%);position:relative;overflow:hidden}.landing-eyebrow{font-size:10.5px;font-weight:700;letter-spacing:.14em;color:var(--seal);margin-bottom:8px}.landing-title{font-size:34px;font-weight:800;line-height:1.08;margin-bottom:10px}.landing-title .accent{color:var(--accent);display:block}.landing-sub{font-size:13.5px;color:var(--ink-2);line-height:1.5;max-width:320px;margin-bottom:18px}.landing-illustration{display:flex;justify-content:center;margin:6px 0 18px}.landing-phone-group{display:flex;gap:8px;margin-bottom:10px}.landing-phone-prefix{flex:none;display:flex;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-2);background:#fff}.landing-phone-group .field{margin-bottom:0;border-radius:10px;padding:13px 12px}.landing-cta{width:100%;background:linear-gradient(135deg,var(--accent),#d94f1e);color:#fff;border:none;border-radius:10px;padding:15px;font-size:15.5px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.landing-cta:disabled{opacity:.6;cursor:not-allowed}.landing-trust{display:flex;align-items:center;justify-content:center;gap:6px;font-size:10.5px;color:var(--ink-3);margin-top:10px}.landing-stats{display:flex;background:#eef6f1;border-radius:12px;margin:0 20px 26px;padding:14px 6px}.landing-stat{flex:1;text-align:center;font-size:11px;color:var(--ink-2);border-right:1px solid #d7e6dd}.landing-stat:last-child{border-right:none}.landing-stat b{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}.landing-section{padding:0 20px 26px}.landing-section-title{font-size:17px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}.landing-brand-row{display:flex;gap:14px;overflow-x:auto;padding-bottom:4px}.landing-brand-tile{flex:none;width:102px;height:102px;border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff}.landing-why-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.landing-why-card{border:1px solid var(--line);border-radius:12px;padding:14px 12px;background:#fff}.landing-why-card .icon{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}.landing-why-card .title{font-size:12.5px;font-weight:700;margin-bottom:3px}.landing-why-card .desc{font-size:10.5px;color:var(--ink-3);line-height:1.4}.landing-steps{display:flex;align-items:flex-start;gap:4px}.landing-step{flex:1;text-align:center}.landing-step .num{width:30px;height:30px;border-radius:99px;background:#eef6f1;color:var(--seal);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;margin:0 auto 8px}.landing-step .title{font-size:11.5px;font-weight:700;margin-bottom:3px}.landing-step .desc{font-size:9.5px;color:var(--ink-3);line-height:1.35}.landing-step-arrow{flex:none;color:var(--line);padding-top:6px;font-size:16px}.landing-testimonial{border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;gap:12px;align-items:flex-start}.landing-testimonial .avatar{width:40px;height:40px;border-radius:99px;background:var(--seal);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;font-weight:700;font-size:14px}.landing-testimonial .quote{font-size:12px;color:var(--ink-2);line-height:1.5;margin-bottom:6px;font-style:italic}.landing-testimonial .who{font-size:11px;font-weight:700}.landing-testimonial .role{font-size:10px;color:var(--ink-3)}.landing-cta-bar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;z-index:10}.landing-cta-bar .copy{font-size:11px}.landing-cta-bar .copy b{display:block;font-size:13px}.landing-cta-bar button{flex:none;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 14px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}