: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;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body,html{height:100%;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;overscroll-behavior:none}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app-container{min-height:100vh;padding:60px 16px 32px}.step-indicator{position:fixed;top:0;left:0;right:0;display:flex;justify-content:center;gap:8px;padding:20px 16px;background:var(--bg);z-index:10}.step-dot{width:8px;height:8px;border-radius:4px;background:var(--border);transition:all .3s ease}.step-dot.active{background:var(--primary);width:24px}.content-wrapper{max-width:420px;margin:0 auto}.page{position:relative;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-header{margin-bottom:20px}.page-title{font-size:22px;font-weight:600;margin-bottom:4px}.page-desc{font-size:14px;color:var(--text-secondary)}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px}.template-card{position:relative;aspect-ratio:3/4;border-radius:8px;overflow:hidden;cursor:pointer;background:var(--card-bg)}.template-card.active{outline:2px solid var(--primary);outline-offset:2px}.template-image{width:100%;height:100%;object-fit:cover}.btn-back{position:fixed;z-index:100;top:10px;left:32px;display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--card-bg);color:var(--text);border:1px solid var(--border);border-radius:50%;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.08)}.btn-back svg{width:18px;height:18px}.btn-upload{width:100%;aspect-ratio:3/4;max-height:320px;border-radius:12px;background:var(--card-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;cursor:pointer;margin-bottom:20px;border:1.5px dashed var(--border);overflow:hidden;position:relative}.btn-upload img{width:100%;height:100%;object-fit:contain}.btn-upload:active{background:#fafafa}.upload-text{font-size:14px;color:var(--text-secondary)}.btn-primary,.btn-secondary{width:100%;padding:14px;border-radius:10px;font-size:15px;font-weight:500;cursor:pointer;border:none;transition:opacity .2s ease}.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;padding:16px;margin-bottom:16px}.confirm-row{display:flex;align-items:center;gap:12px}.confirm-item{flex:1 1}.confirm-label{font-size:12px;color:var(--text-secondary);margin-bottom:8px}.confirm-thumb{width:100%;aspect-ratio:3/4;border-radius:8px;overflow:hidden;background:#f0f0f0}.confirm-thumb img{width:100%;height:100%;object-fit:cover}.confirm-plus{font-size:20px;color:var(--text-secondary)}.warning-text{text-align:center;font-size:13px;color:var(--text-secondary);margin-bottom:20px}.loading-state{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center}.loading-spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(1turn)}}.loading-title{font-size:18px;font-weight:500;margin-bottom:4px}.loading-desc{font-size:13px;color:var(--text-secondary)}.loading-timer{font-size:14px;color:var(--text-secondary);margin-top:8px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.error-state{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}.error-icon{font-size:40px;margin-bottom:12px}.error-title{font-size:17px;font-weight:500;color:var(--error);margin-bottom:4px}.error-desc{font-size:14px;color:var(--text-secondary);margin-bottom:20px}.error-tips{background:var(--card-bg);border-radius:10px;padding:14px;width:100%;margin-bottom:20px;text-align:left}.tips-label{display:block;margin-bottom:8px}.tip-item,.tips-label{font-size:13px;color:var(--text-secondary)}.tip-item{display:flex;margin-bottom:6px}.tip-dot{margin-right:6px}.error-actions{width:100%;display:flex;flex-direction:column;gap:10px}.result-card{background:var(--card-bg);border-radius:12px;overflow:hidden;margin-bottom:20px}.result-image{width:100%;display:block}.result-notice{padding:12px;text-align:center;font-size:13px;color:var(--text-secondary);border-top:1px solid var(--border)}.result-actions{display:flex;flex-direction:column;gap:10px}.btn-alipay{background:#1677ff;color:#fff}.btn-alipay:hover{background:#4096ff}.payment-success-notice{padding:12px;text-align:center;font-size:14px;color:var(--success);background:#f6ffed;border-top:1px solid var(--success)}.agreement-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000;animation:fadeIn .2s ease}.agreement-modal{background:var(--card-bg);border-radius:16px;width:100%;max-width:360px;padding:28px 24px;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.agreement-title{font-size:18px;font-weight:600;text-align:center;margin-bottom:16px}.agreement-text{font-size:14px;color:var(--text-secondary);line-height:1.8;margin-bottom:24px}.agreement-links{display:flex;justify-content:center;gap:16px;margin-bottom:20px}.agreement-link{font-size:14px;color:#1677ff;text-decoration:none}.agreement-link:active{opacity:.7}.agreement-checkbox{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:20px;font-size:14px}.agreement-checkbox input{width:18px;height:18px}.agreement-actions{display:flex;flex-direction:column;gap:10px}.legal-page{min-height:100vh;padding:60px 24px 32px;background:var(--bg)}.legal-page h1{font-size:22px;font-weight:600;text-align:center;margin-bottom:24px}.legal-content{background:var(--card-bg);border-radius:12px;padding:20px;font-size:14px;line-height:1.8;color:var(--text)}.legal-content h2{font-size:15px;font-weight:600;margin:20px 0 8px}.legal-content h2:first-child{margin-top:0}.legal-content p{margin-bottom:12px}.legal-footer{text-align:center;color:var(--text-secondary)}.legal-back,.legal-footer{margin-top:24px}.wechat-guide-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px;z-index:1100}.wechat-guide-card{background:var(--card-bg);border-radius:16px;padding:32px 24px;text-align:center;max-width:320px}.wechat-guide-icon{margin-bottom:20px}.wechat-guide-title{font-size:20px;font-weight:600;margin-bottom:12px}.wechat-guide-desc{font-size:15px;color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.wechat-guide-desc strong{color:var(--text)}.wechat-guide-copy{width:100%;padding:14px 24px;font-size:16px;font-weight:500;color:#fff;background:#07c160;border:none;border-radius:12px;cursor:pointer}