:root{--primary:#222;--secondary:#666;--text:#111;--text-secondary:#666;--bg:#f5f5f5;--card-bg:#fff;--border:#e0e0e0;--success:#4caf50;--error:#f44336}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;overscroll-behavior:none;height:100%}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Arial,sans-serif}.app-container{min-height:100vh;padding:60px 16px 32px}.step-indicator{background:var(--bg);z-index:10;justify-content:center;gap:8px;padding:20px 16px;display:flex;position:fixed;top:0;left:0;right:0}.step-dot{background:var(--border);border-radius:4px;width:8px;height:8px;transition:all .3s}.step-dot.active{background:var(--primary);width:24px}.content-wrapper{max-width:420px;margin:0 auto}.page{animation:.2s fadeIn;position:relative}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-header{margin-bottom:20px}.page-title{margin-bottom:4px;font-size:22px;font-weight:600}.page-desc{color:var(--text-secondary);font-size:14px}.template-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.template-card{aspect-ratio:3/4;cursor:pointer;background:var(--card-bg);border-radius:8px;position:relative;overflow:hidden}.template-card.active{outline:2px solid var(--primary);outline-offset:2px}.template-image{object-fit:cover;width:100%;height:100%}.btn-back{z-index:100;background:var(--card-bg);width:36px;height:36px;color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;top:10px;left:32px;box-shadow:0 1px 3px #00000014}.btn-back svg{width:18px;height:18px}.btn-upload{aspect-ratio:3/4;background:var(--card-bg);cursor:pointer;border:1.5px dashed var(--border);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;max-height:320px;margin-bottom:20px;display:flex;position:relative;overflow:hidden}.btn-upload img{object-fit:contain;width:100%;height:100%}.btn-upload:active{background:#fafafa}.upload-text{color:var(--text-secondary);font-size:14px}.btn-primary,.btn-secondary{cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px;font-size:15px;font-weight:500;transition:opacity .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:active{opacity:.8}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:active{background:#fafafa}.btn-secondary+.btn-secondary{margin-top:10px}.confirm-preview{background:var(--card-bg);border-radius:12px;margin-bottom:16px;padding:16px}.confirm-row{align-items:center;gap:12px;display:flex}.confirm-item{flex:1}.confirm-label{color:var(--text-secondary);margin-bottom:8px;font-size:12px}.confirm-thumb{aspect-ratio:3/4;background:#f0f0f0;border-radius:8px;width:100%;overflow:hidden}.confirm-thumb img{object-fit:cover;width:100%;height:100%}.confirm-plus{color:var(--text-secondary);font-size:20px}.warning-text{text-align:center;color:var(--text-secondary);margin-bottom:20px;font-size:13px}.loading-state{flex-direction:column;justify-content:center;align-items:center;min-height:60vh;display:flex}.loading-spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;margin-bottom:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-title{margin-bottom:4px;font-size:18px;font-weight:500}.loading-desc{color:var(--text-secondary);font-size:13px}.loading-timer{color:var(--text-secondary);font-variant-numeric:tabular-nums;margin-top:8px;font-size:14px}.error-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:24px;display:flex}.error-icon{margin-bottom:12px;font-size:40px}.error-title{color:var(--error);margin-bottom:4px;font-size:17px;font-weight:500}.error-desc{color:var(--text-secondary);margin-bottom:20px;font-size:14px}.error-tips{background:var(--card-bg);text-align:left;border-radius:10px;width:100%;margin-bottom:20px;padding:14px}.tips-label{color:var(--text-secondary);margin-bottom:8px;font-size:13px;display:block}.tip-item{color:var(--text-secondary);margin-bottom:6px;font-size:13px;display:flex}.tip-dot{margin-right:6px}.error-actions{flex-direction:column;gap:10px;width:100%;display:flex}.result-card{background:var(--card-bg);border-radius:12px;margin-bottom:20px;overflow:hidden}.result-image{width:100%;display:block}.result-notice{text-align:center;color:var(--text-secondary);border-top:1px solid var(--border);padding:12px;font-size:13px}.result-actions{flex-direction:column;gap:10px;display:flex}.btn-alipay{color:#fff;background:#1677ff}.btn-alipay:hover{background:#4096ff}.payment-success-notice{text-align:center;color:var(--success);border-top:1px solid var(--success);background:#f6ffed;padding:12px;font-size:14px}.payment-pending-notice{text-align:center;color:#1677ff;background:linear-gradient(135deg,#e6f4ff 0%,#bae0ff 100%);border-radius:8px;margin-top:12px;padding:16px;font-size:14px;animation:1.5s ease-in-out infinite pulse}.payment-failed-notice{text-align:center;color:#ff4d4f;background:#fff2f0;border-top:1px solid #ff4d4f;padding:12px;font-size:14px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.agreement-overlay{z-index:1000;background:#0009;justify-content:center;align-items:center;padding:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.agreement-modal{background:var(--card-bg);border-radius:16px;width:100%;max-width:360px;padding:28px 24px;animation:.3s slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.agreement-title{text-align:center;margin-bottom:16px;font-size:18px;font-weight:600}.agreement-text{color:var(--text-secondary);margin-bottom:24px;font-size:14px;line-height:1.8}.agreement-links{justify-content:center;gap:16px;margin-bottom:20px;display:flex}.agreement-link{color:#1677ff;font-size:14px;text-decoration:none}.agreement-link:active{opacity:.7}.agreement-checkbox{justify-content:center;align-items:center;gap:8px;margin-bottom:20px;font-size:14px;display:flex}.agreement-checkbox input{width:18px;height:18px}.agreement-actions{flex-direction:column;gap:10px;display:flex}.legal-page{background:var(--bg);min-height:100vh;padding:60px 24px 32px}.legal-page h1{text-align:center;margin-bottom:24px;font-size:22px;font-weight:600}.legal-content{background:var(--card-bg);color:var(--text);border-radius:12px;padding:20px;font-size:14px;line-height:1.8}.legal-content h2{margin:20px 0 8px;font-size:15px;font-weight:600}.legal-content h2:first-child{margin-top:0}.legal-content p{margin-bottom:12px}.legal-footer{text-align:center;color:var(--text-secondary);margin-top:24px}.legal-back{z-index:100;background:var(--card-bg);width:36px;height:36px;color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;margin-top:0;display:flex;position:fixed;top:24px;left:24px;box-shadow:0 1px 3px #00000014}.wechat-guide-overlay{background:var(--bg);z-index:1100;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.wechat-guide-card{background:var(--card-bg);text-align:center;border-radius:16px;max-width:320px;padding:32px 24px}.wechat-guide-icon{margin-bottom:20px}.wechat-guide-title{margin-bottom:12px;font-size:20px;font-weight:600}.wechat-guide-desc{color:var(--text-secondary);margin-bottom:24px;font-size:15px;line-height:1.6}.wechat-guide-desc strong{color:var(--text)}.wechat-guide-copy{color:#fff;cursor:pointer;background:#07c160;border:none;border-radius:12px;width:100%;padding:14px 24px;font-size:16px;font-weight:500}