*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#1a73e8;--primary-dark:#1557b0;--primary-light:#e8f0fe;--danger:#d93025;--success:#1e8e3e;--warning:#f9ab00;--gray:#5f6368;--gray-light:#dadce0;--gray-bg:#f8f9fa;--white:#fff;--text:#202124;--text-secondary:#5f6368;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.12)}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--gray-bg);color:var(--text);max-width:480px;margin:0 auto;min-height:100vh;position:relative}
.app-header{height:44px;background:var(--primary);display:flex;align-items:center;justify-content:space-between;padding:0 16px;color:var(--white);position:fixed;top:0;left:0;right:0;max-width:480px;margin:0 auto;z-index:100}
.app-header .title{font-size:16px;font-weight:600}
.app-header .lang-btn{font-size:12px;padding:4px 10px;border:1px solid rgba(255,255,255,.5);border-radius:12px;cursor:pointer;background:transparent;color:var(--white)}
.app-header .lang-btn:hover{background:rgba(255,255,255,.15)}
.app-header .back-btn{font-size:18px;cursor:pointer;padding:4px 8px}
.page{position:relative;min-height:100vh;padding-top:44px;padding-bottom:56px;overflow-y:auto;-webkit-overflow-scrolling:touch;transition:transform .3s ease,opacity .3s ease;background:var(--gray-bg);scrollbar-width:none;-ms-overflow-style:none}
.page::-webkit-scrollbar{display:none}
.page.hidden{display:none}
.page.slide-in{animation:slideIn .3s ease forwards}
.page.slide-out{animation:slideOut .3s ease forwards}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes slideOut{from{transform:translateX(0);opacity:1}to{transform:translateX(-100%);opacity:0}}
/* Login */
.login-page{display:flex;flex-direction:column;align-items:center;padding:60px 16px 16px;background:var(--white)}
.login-logo{width:72px;height:72px;background:var(--primary);border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.login-logo i{font-size:32px;color:var(--white)}
.login-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}
.login-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:32px}
.login-form{width:100%}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px;font-weight:500}
.form-input{width:100%;height:44px;border:1px solid var(--gray-light);border-radius:var(--radius);padding:0 12px;font-size:15px;outline:none;transition:border-color .2s}
.form-input:focus{border-color:var(--primary)}
.form-input.error{border-color:var(--danger)}
.form-error{font-size:12px;color:var(--danger);margin-top:4px;display:none}
.form-input.error+.form-error{display:block}
.btn{width:100%;height:44px;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:scale(.98)}
.btn-danger{background:var(--danger);color:var(--white)}
.btn-outline{background:var(--white);color:var(--primary);border:1px solid var(--primary)}
.btn-block{width:100%}
.login-error{text-align:center;color:var(--danger);font-size:13px;margin-top:12px;min-height:20px}
/* Tab bar */
.tab-bar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;height:56px;background:var(--white);border-top:1px solid var(--gray-light);display:flex;z-index:100}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:color .2s;font-size:10px;gap:2px}
.tab-item.active{color:var(--primary)}
.tab-item i{font-size:20px}
/* Form page */
.form-page{padding:16px 16px 72px}
.step-tip{background:var(--primary-light);color:var(--primary);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.step-tip i{font-size:14px}
.form-card{background:var(--white);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}
.form-card-title{font-size:14px;font-weight:600;margin-bottom:12px;color:var(--text)}
.radio-group{display:flex;flex-wrap:wrap;gap:8px}
.radio-item{padding:6px 14px;border:1px solid var(--gray-light);border-radius:20px;font-size:13px;cursor:pointer;transition:all .2s;user-select:none}
.radio-item.active{background:var(--primary);color:var(--white);border-color:var(--primary)}
.checkbox-group{display:flex;flex-wrap:wrap;gap:8px}
.checkbox-item{padding:6px 14px;border:1px solid var(--gray-light);border-radius:var(--radius);font-size:13px;cursor:pointer;transition:all .2s;user-select:none;display:flex;align-items:center;gap:4px}
.checkbox-item.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
.checkbox-item i{font-size:12px}
.text-input{width:100%;height:40px;border:1px solid var(--gray-light);border-radius:var(--radius);padding:0 12px;font-size:14px;outline:none;transition:border-color .2s}
.text-input:focus{border-color:var(--primary)}
.textarea{width:100%;height:80px;border:1px solid var(--gray-light);border-radius:var(--radius);padding:8px 12px;font-size:14px;outline:none;resize:none;transition:border-color .2s;font-family:inherit}
.textarea:focus{border-color:var(--primary)}
.upload-area{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-start}
.upload-btn{width:80px;height:80px;border:1px dashed var(--gray-light);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;font-size:10px;color:var(--text-secondary);gap:4px;transition:border-color .2s;position:relative;overflow:hidden}
.upload-btn i{font-size:18px;color:var(--primary)}
.upload-btn:hover{border-color:var(--primary)}
.upload-btn input[type=file]{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}
.upload-file{width:80px;height:80px;border-radius:var(--radius);position:relative;overflow:hidden;border:1px solid var(--gray-light)}
.upload-file img{width:100%;height:100%;object-fit:cover}
.upload-file .file-delete{position:absolute;top:2px;right:2px;width:20px;height:20px;background:rgba(0,0,0,.5);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;cursor:pointer;z-index:2}
.upload-file .file-delete:hover{background:var(--danger)}
.upload-file .file-type{position:absolute;bottom:0;left:0;right:0;height:18px;background:rgba(0,0,0,.5);color:#fff;font-size:9px;display:flex;align-items:center;justify-content:center;z-index:2}
.upload-section{margin-bottom:12px}
.upload-section-title{font-size:12px;color:var(--text-secondary);margin-bottom:6px;display:flex;align-items:center;gap:4px}
.upload-section-title i{font-size:11px;color:var(--primary)}
.upload-hint{font-size:11px;color:var(--text-secondary);margin-top:8px}
.form-actions{display:flex;gap:12px;margin-top:20px;padding-bottom:16px}
.form-actions .btn{flex:1}
/* Personal center */
.center-page{padding:16px 16px 72px}
.user-card{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius);padding:20px;color:var(--white);margin-bottom:16px}
.user-info{text-align:center}
.user-name{font-size:18px;font-weight:700}
.user-account{font-size:12px;opacity:.8;margin-top:2px}
.stat-cards{display:flex;gap:8px;margin-top:16px}
.stat-card{flex:1;background:rgba(255,255,255,.15);border-radius:6px;padding:10px 8px;text-align:center;cursor:pointer}
.stat-num{font-size:22px;font-weight:700}
.stat-label{font-size:10px;opacity:.8;margin-top:2px}
.order-list{display:flex;flex-direction:column;gap:10px}
.order-card{background:var(--white);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s}
.order-card:active{transform:scale(.98)}
.order-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.order-no{font-size:13px;font-weight:600;color:var(--text)}
.order-status{font-size:11px;padding:2px 8px;border-radius:10px;font-weight:500}
.status-pending{background:#fff3e0;color:#e65100}
.status-processing{background:var(--primary-light);color:var(--primary)}
.status-done{background:#e8f5e9;color:var(--success)}
.status-rejected{background:#fce8e6;color:var(--danger)}
.status-resubmitted{background:#f3e8fd;color:#7b1fa2}
.order-info{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:12px;color:var(--text-secondary)}
.order-info span{display:flex;align-items:center;gap:3px}
.order-info i{font-size:10px}
/* Order detail */
.detail-page{padding:16px 16px 16px}
.detail-section{background:var(--white);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}
.detail-title{font-size:14px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:6px}
.detail-title i{color:var(--primary);font-size:14px}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:var(--gray-light)}
.timeline-item{position:relative;padding-bottom:16px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{position:absolute;left:-20px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--gray-light);border:2px solid var(--white)}
.timeline-dot.active{background:var(--primary)}
.timeline-dot.rejected{background:var(--danger)}
.timeline-content{font-size:13px}
.timeline-label{font-weight:600;color:var(--text)}
.timeline-time{font-size:12px;color:var(--text-secondary);margin-top:2px}
.detail-row{display:flex;font-size:13px;margin-bottom:8px}
.detail-row:last-child{margin-bottom:0}
.detail-label{color:var(--text-secondary);width:80px;flex-shrink:0}
.detail-value{color:var(--text);flex:1}
.attachment-list{display:flex;flex-wrap:wrap;gap:8px}
.attachment-item{width:60px;height:60px;background:var(--gray-bg);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--text-secondary);text-align:center;cursor:pointer}
.attachment-item i{font-size:18px;display:block;margin-bottom:2px}
.reapply-btn{margin-top:12px}
.relation-tip{background:#fff8e1;border-radius:var(--radius);padding:10px 12px;font-size:12px;color:#e65100;display:flex;align-items:center;gap:6px;margin-bottom:12px}
.relation-tip a{color:var(--primary);text-decoration:underline;cursor:pointer}
.logout-area{padding:16px}
.logout-btn{width:100%;height:44px;border:1px solid var(--gray-light);border-radius:var(--radius);background:var(--white);font-size:14px;color:var(--text-secondary);cursor:pointer;transition:all .2s}
.logout-btn:hover{border-color:var(--danger);color:var(--danger)}
/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:flex-end;justify-content:center;opacity:0;visibility:hidden;transition:all .25s}
.modal-overlay.show{opacity:1;visibility:visible}
.modal{background:var(--white);border-radius:16px 16px 0 0;width:100%;max-width:480px;max-height:70%;overflow-y:auto;padding:20px 16px 24px;transform:translateY(100%);transition:transform .3s ease;scrollbar-width:none;-ms-overflow-style:none}
.modal::-webkit-scrollbar{display:none}
.modal-overlay.show .modal{transform:translateY(0)}
.modal-title{font-size:16px;font-weight:700;text-align:center;margin-bottom:16px}
.modal-body{margin-bottom:16px}
.modal-actions{display:flex;gap:12px}
.modal-actions .btn{flex:1}
/* Toast */
.toast{position:fixed;top:100px;left:50%;transform:translateX(-50%) translateY(-20px);background:rgba(0,0,0,.75);color:var(--white);padding:10px 20px;border-radius:20px;font-size:13px;z-index:300;opacity:0;transition:all .3s;pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* Lang modal */
.lang-list{list-style:none}
.lang-item{padding:14px 16px;font-size:15px;cursor:pointer;border-bottom:1px solid var(--gray-light);display:flex;justify-content:space-between;align-items:center}
.lang-item:last-child{border-bottom:none}
.lang-item.current{color:var(--primary);font-weight:600}
.lang-item.current::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:14px}
.review-item{padding:14px 0;border-bottom:1px solid var(--gray-light)}
.review-item:last-child{border-bottom:none}
.review-role{font-size:13px;color:var(--primary);font-weight:600}
.review-time{font-size:12px;color:var(--text-secondary);margin-top:6px}
.review-status{margin-top:6px}
.review-opinion{font-size:13px;color:var(--text);margin-top:6px}
/* File preview */
.file-thumb{width:60px;height:60px;border-radius:6px;object-fit:cover;border:1px solid var(--gray-light)}
.file-thumb{width:70px;height:70px;border-radius:6px;overflow:hidden;cursor:pointer;border:1px solid var(--gray-light);position:relative;background:var(--gray-bg)}
.file-thumb img{width:100%;height:100%;object-fit:cover}
.file-thumb-video{position:relative}
.file-thumb-video video{width:100%;height:100%;object-fit:cover}
.file-thumb-video .video-play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:28px;height:28px;background:rgba(0,0,0,.55);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px}
.file-thumb-pdf{display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:9px;color:#e74c3c}
.file-thumb-pdf i{font-size:24px;margin-bottom:2px}
.file-thumb-pdf span{font-size:10px;font-weight:600}
/* iOS Guide */
.ios-guide-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.85);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:env(safe-area-inset-top,40px) 20px env(safe-area-inset-bottom,40px)}
.ios-guide-overlay .guide-icon{font-size:64px;margin-bottom:24px;opacity:.8}
.ios-guide-overlay .guide-title{font-size:20px;font-weight:700;margin-bottom:12px}
.ios-guide-overlay .guide-text{font-size:14px;line-height:1.6;opacity:.8;margin-bottom:32px;max-width:300px}
.ios-guide-overlay .guide-steps{display:flex;flex-direction:column;gap:12px;align-items:flex-start;margin-bottom:32px}
.ios-guide-overlay .guide-step{display:flex;align-items:center;gap:10px;font-size:14px}
.ios-guide-overlay .guide-step i{font-size:18px;color:var(--primary)}
.ios-guide-overlay .guide-close{padding:12px 40px;border:1px solid rgba(255,255,255,.5);border-radius:20px;background:transparent;color:#fff;font-size:15px;cursor:pointer;min-height:44px}
.ios-guide-overlay .guide-close:hover{background:rgba(255,255,255,.15)}
.ios-guide-overlay.hidden{display:none}
/* Image preview overlay */
.img-preview-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.9);z-index:9998;display:flex;align-items:center;justify-content:center}
.img-preview-box{position:relative;max-width:90%;max-height:90%}
.img-preview-close{position:absolute;top:-36px;right:0;width:32px;height:32px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;font-size:16px}
.img-preview-name{color:#fff;font-size:12px;text-align:center;margin-top:8px;opacity:.7}
.empty-orders{text-align:center;padding:40px 20px;color:var(--gray)}
.empty-orders i{font-size:40px;color:var(--gray-light);margin-bottom:12px}
.empty-orders p{font-size:14px;color:var(--gray)}
.upload-progress-modal{text-align:center;padding:10px 0}
.upload-progress-title{font-size:16px;font-weight:600;margin-bottom:8px}
.upload-progress-title i{color:var(--primary);margin-right:6px}
.upload-progress-filename{font-size:13px;color:var(--text-secondary);margin-bottom:16px;word-break:break-all}
.upload-progress-bar-wrap{height:8px;background:var(--gray-light);border-radius:4px;overflow:hidden;margin-bottom:8px}
.upload-progress-bar{height:100%;background:var(--primary);border-radius:4px;width:0%;transition:width .2s ease}
.upload-progress-pct{font-size:14px;font-weight:600;color:var(--primary)}
/* Responsive */
@media(min-width:481px){body{box-shadow:0 0 40px rgba(0,0,0,.1)}}
/* Download page */
.download-page{display:flex;flex-direction:column;align-items:center;padding:80px 24px 40px;background:var(--white);min-height:100vh}
.download-logo{width:80px;height:80px;background:var(--primary);border-radius:20px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.download-logo i{font-size:36px;color:var(--white)}
.download-title{font-size:24px;font-weight:700;color:var(--text);margin-bottom:6px}
.download-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:40px}
.download-features{width:100%;margin-bottom:40px}
.download-feature{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--gray-bg);border-radius:var(--radius);margin-bottom:10px;font-size:14px;color:var(--text)}
.download-feature i{font-size:18px;color:var(--primary);width:24px;text-align:center}
.download-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:52px;background:var(--primary);color:var(--white);border-radius:var(--radius);font-size:18px;font-weight:600;text-decoration:none;transition:background .2s}
.download-btn:hover{background:var(--primary-dark)}
.download-btn:active{transform:scale(.98)}
.download-btn i{font-size:20px}
.download-tip{font-size:12px;color:var(--text-secondary);margin-top:20px}