:root{--primary:#1890ff;--primary-light:#40a9ff;--primary-dark:#096dd9;--success:#52c41a;--danger:#ff4d4f;--warning:#fa8c16;--text-primary:#333;--text-secondary:#666;--text-muted:#999;--border-color:#e8e8e8;--bg-color:#f5f7fa;--bg-white:#fff;--shadow-sm:0 1px 4px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.1);--shadow-lg:0 8px 24px rgba(0,0,0,0.12);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--transition-fast:0.15s ease;--transition-normal:0.3s ease;--max-width:1200px}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:14px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg-color);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--primary-light)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 16px}
.header{background:var(--bg-white);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}
.header-content{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px}
.logo{font-size:20px;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.nav{display:flex;gap:24px;align-items:center}
.nav a{color:var(--text-secondary);font-size:15px;padding:8px 4px;position:relative;transition:color var(--transition-fast)}
.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition-normal)}
.nav a:hover,.nav a.active{color:var(--primary)}
.nav a:hover::after,.nav a.active::after{width:100%}
.header-right{display:flex;align-items:center;gap:12px}
.user-info{display:flex;align-items:center;gap:12px}
.points{background:linear-gradient(135deg,#fff7e6 0%,#ffe7ba 100%);color:var(--warning);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:500}
.menu-btn{display:none;width:40px;height:40px;border:none;background:var(--bg-color);border-radius:var(--radius-sm);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-btn:hover{background:#e6e8eb}
.menu-btn span{display:block;width:20px;height:2px;background:var(--text-secondary);border-radius:2px;transition:all var(--transition-normal)}
.menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-btn.active span:nth-child(2){opacity:0}
.menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.nav-overlay{display:none;position:fixed;top:60px;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:99;opacity:0;transition:opacity var(--transition-normal)}
.nav-overlay.active{display:block;opacity:1}
.mobile-nav{position:fixed;top:60px;right:-280px;width:280px;height:calc(100vh - 60px);background:var(--bg-white);z-index:100;padding:20px;transition:right var(--transition-normal);overflow-y:auto}
.mobile-nav.active{right:0}
.mobile-nav a{display:block;padding:14px 16px;color:var(--text-secondary);font-size:15px;border-radius:var(--radius-sm);margin-bottom:4px;transition:all var(--transition-fast)}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(24,144,255,0.1);color:var(--primary)}
.mobile-nav .user-section{padding:16px;background:var(--bg-color);border-radius:var(--radius-md);margin-bottom:16px}
.mobile-nav .user-name{font-weight:600;margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);cursor:pointer;border:none;font-size:14px;font-weight:500;transition:all var(--transition-fast);white-space:nowrap;min-height:44px;min-width:44px}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 2px 8px rgba(24,144,255,0.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(24,144,255,0.4)}
.btn-text{background:transparent;color:var(--text-secondary)}
.btn-text:hover{color:var(--primary);background:rgba(24,144,255,0.05)}
.btn-block{display:flex;width:100%}
.btn-success{background:linear-gradient(135deg,var(--success) 0%,#73d13d 100%);color:#fff}
.btn-danger{background:linear-gradient(135deg,var(--danger) 0%,#ff7875 100%);color:#fff}
.btn-sm{padding:6px 12px;font-size:12px;min-height:32px}
.main{min-height:calc(100vh - 140px);padding:20px 0 80px}
.search-box{background:var(--bg-white);padding:20px;border-radius:var(--radius-md);margin-bottom:20px;box-shadow:var(--shadow-sm)}
.search-box form{display:flex;gap:12px}
.search-box input{flex:1;padding:14px 18px;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:15px;transition:border-color var(--transition-fast);min-height:48px}
.search-box input:focus{outline:none;border-color:var(--primary)}
.search-box button{padding:14px 28px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;font-size:15px;font-weight:500;min-height:48px;transition:all var(--transition-fast)}
.search-box button:hover{background:var(--primary-light)}
.categories{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.category-item{padding:10px 18px;background:var(--bg-white);border-radius:20px;color:var(--text-secondary);font-size:14px;transition:all var(--transition-fast);cursor:pointer;border:1px solid var(--border-color)}
.category-item:hover,.category-item.active{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(24,144,255,0.3)}
.announcements{background:linear-gradient(135deg,#fff7e6 0%,#ffe7ba 100%);border:1px solid #ffd591;padding:14px 18px;border-radius:var(--radius-md);margin-bottom:20px}
.announcement{display:flex;align-items:center;gap:10px}
.announcement-title{color:var(--warning);font-weight:600}
.section{background:var(--bg-white);padding:20px;border-radius:var(--radius-md);margin-bottom:20px;box-shadow:var(--shadow-sm)}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}
.section-header h2{font-size:18px;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.section-header a{color:var(--primary);font-size:14px}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.file-card{background:var(--bg-white);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-normal);border:1px solid var(--border-color)}
.file-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.file-card a{display:block;color:inherit;text-decoration:none}
.file-preview{height:160px;overflow:hidden;background:linear-gradient(135deg,#f5f7fa 0%,#e8ecf0 100%);display:flex;align-items:center;justify-content:center}
.file-preview img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-normal)}
.file-card:hover .file-preview img{transform:scale(1.05)}
.file-placeholder{color:var(--text-muted);font-size:28px;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:8px}
.file-placeholder::before{content:'📦';font-size:48px}
.file-info{padding:14px}
.file-info h3{font-size:15px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-desc{color:var(--text-muted);font-size:13px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.file-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px}
.file-meta .price{color:var(--danger);font-weight:600;font-size:15px}
.file-meta .downloads{color:var(--text-muted)}
.file-detail{display:grid;grid-template-columns:1fr 380px;gap:24px}
.file-main{background:var(--bg-white);padding:24px;border-radius:var(--radius-md)}
.file-sidebar{background:var(--bg-white);padding:24px;border-radius:var(--radius-md);height:fit-content;position:sticky;top:80px}
.file-title{font-size:22px;margin-bottom:16px;display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap}
.file-meta-info{display:flex;flex-wrap:wrap;gap:16px;color:var(--text-muted);margin-bottom:20px;font-size:14px}
.file-description{margin:24px 0}
.file-description h3{margin-bottom:12px;font-size:16px;display:flex;align-items:center;gap:8px}
.file-description h3::before{content:'📋'}
.file-description p{color:var(--text-secondary);line-height:1.8}
.file-preview-images{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.file-preview-images img{width:100%;height:120px;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:2px solid transparent}
.file-preview-images img:hover{border-color:var(--primary);transform:scale(1.02)}
.price-tag{font-size:32px;color:var(--danger);font-weight:700;margin:20px 0;display:flex;align-items:baseline;gap:8px}
.price-tag small{font-size:14px;color:var(--text-muted);font-weight:normal}
.buy-btn,.download-btn{width:100%;padding:16px;font-size:16px;margin:12px 0}
.storage-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:500;margin-left:8px}
.storage-badge.local{background:#e6f7ff;color:var(--primary)}
.storage-badge.oss{background:#fff7e6;color:var(--warning)}
.storage-badge.cos{background:#fff1f0;color:var(--danger)}
.storage-badge.qiniu{background:#f6ffed;color:var(--success)}
.download-section{margin-top:16px}
.download-btn-group{display:flex;flex-direction:column;gap:12px}
.btn-download-direct{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:14px 20px;border:none;border-radius:var(--radius-md);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all var(--transition-fast);min-height:50px}
.btn-download-direct:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(102,126,234,0.4)}
.btn-copy-link{background:#fff;color:#667eea;border:2px solid #667eea;padding:12px 20px;border-radius:var(--radius-md);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all var(--transition-fast);min-height:48px}
.btn-copy-link:hover{background:#667eea;color:#fff}
.btn-copy-link.copied{background:var(--success);border-color:var(--success);color:#fff}
.storage-info{font-size:13px;color:var(--text-muted);text-align:center;margin-top:12px}
.link-input-group{display:flex;gap:10px;margin-top:12px}
.link-input{flex:1;padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:13px}
.link-copy-btn{padding:10px 16px;background:#667eea;color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;min-width:60px}
.comments{margin-top:30px}
.comment-form{margin:20px 0}
.comment-form textarea{width:100%;padding:14px;border:2px solid var(--border-color);border-radius:var(--radius-md);resize:vertical;min-height:100px;font-size:14px;transition:border-color var(--transition-fast)}
.comment-form textarea:focus{outline:none;border-color:var(--primary)}
.comment-list{margin-top:20px}
.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border-color);animation:fadeInUp 0.3s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.comment-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0}
.comment-content{flex:1}
.comment-user{font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:10px}
.comment-time{color:var(--text-muted);font-size:12px;font-weight:normal}
.comment-text{margin-top:6px;color:var(--text-secondary);line-height:1.6}
.user-center{display:grid;grid-template-columns:260px 1fr;gap:24px}
.user-sidebar{background:var(--bg-white);padding:24px;border-radius:var(--radius-md);position:sticky;top:80px;height:fit-content}
.user-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;box-shadow:0 4px 12px rgba(24,144,255,0.3)}
.user-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.stat-item{text-align:center;padding:16px 12px;background:var(--bg-color);border-radius:var(--radius-md);transition:all var(--transition-fast)}
.stat-item:hover{background:rgba(24,144,255,0.1)}
.stat-value{font-size:22px;font-weight:700;color:var(--primary)}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}
.user-menu{margin-top:20px}
.user-menu a{display:flex;align-items:center;gap:10px;padding:12px 14px;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);margin-bottom:4px}
.user-menu a:hover,.user-menu a.active{background:rgba(24,144,255,0.1);color:var(--primary)}
.user-content{background:var(--bg-white);padding:24px;border-radius:var(--radius-md)}
.sign-card{background:var(--bg-white);padding:32px;border-radius:var(--radius-md);text-align:center;max-width:400px;margin:0 auto}
.sign-title{font-size:22px;margin-bottom:8px}
.sign-subtitle{color:var(--text-muted);margin-bottom:24px}
.sign-points{font-size:56px;color:var(--danger);font-weight:700;margin:20px 0;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.sign-points small{font-size:18px;color:var(--text-muted)}
.sign-streak{color:var(--warning);margin-bottom:20px;font-size:15px}
.upload-area{border:2px dashed var(--border-color);padding:48px;text-align:center;border-radius:var(--radius-md);margin:20px 0;cursor:pointer;transition:all var(--transition-fast);background:var(--bg-color)}
.upload-area:hover{border-color:var(--primary);background:rgba(24,144,255,0.05)}
.upload-area.dragover{border-color:var(--primary);background:rgba(24,144,255,0.1);transform:scale(1.02)}
.upload-icon{font-size:56px;margin-bottom:16px;animation:float 3s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.upload-hint{color:var(--text-muted);font-size:14px}
.progress-container{background:var(--bg-color);height:10px;border-radius:5px;overflow:hidden;margin:12px 0}
.progress-bar{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);height:100%;border-radius:5px;transition:width 0.3s ease}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary)}
.form-control{width:100%;padding:12px 14px;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;transition:all var(--transition-fast);min-height:44px}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,144,255,0.1)}
.form-help{font-size:12px;color:var(--text-muted);margin-top:6px}
.table{width:100%;border-collapse:collapse;background:var(--bg-white);border-radius:var(--radius-md);overflow:hidden}
.table-wrapper{overflow-x:auto}
.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border-color)}
.table th{background:var(--bg-color);font-weight:600;color:var(--text-secondary)}
.table tr:hover{background:rgba(24,144,255,0.03)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:24px;flex-wrap:wrap}
.pagination a,.pagination span{padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition-fast);min-width:44px;text-align:center}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .active{background:var(--primary);color:#fff;border-color:var(--primary)}
.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:1000;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-content{background:var(--bg-white);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;margin:auto;padding:24px;border-radius:var(--radius-md);position:relative;animation:modalIn 0.3s ease}
@keyframes modalIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.modal-close{position:absolute;top:16px;right:16px;font-size:28px;cursor:pointer;color:var(--text-muted);width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all var(--transition-fast)}
.modal-close:hover{color:var(--text-primary);background:var(--bg-color)}
.search-results{background:var(--bg-white);padding:24px;border-radius:var(--radius-md)}
.search-filters{display:flex;gap:16px;margin-bottom:20px;flex-wrap:wrap;align-items:center}
.search-filters select{padding:10px 14px;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;cursor:pointer;min-height:44px}
.search-filters select:focus{outline:none;border-color:var(--primary)}
.result-item{display:flex;gap:20px;padding:20px;border-bottom:1px solid var(--border-color);transition:all var(--transition-fast)}
.result-item:hover{background:rgba(24,144,255,0.03)}
.result-thumb{width:140px;height:100px;background:var(--bg-color);border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}
.result-thumb img{width:100%;height:100%;object-fit:cover}
.result-info{flex:1;min-width:0}
.result-title{font-size:16px;margin-bottom:8px}
.result-title a{color:var(--text-primary);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.result-title a:hover{color:var(--primary)}
.result-meta{color:var(--text-muted);font-size:13px;margin-bottom:8px;display:flex;flex-wrap:wrap;gap:12px}
.result-price{color:var(--danger);font-weight:600;font-size:16px}
.footer{background:var(--bg-white);padding:24px 0;text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color)}
.tabs{display:flex;border-bottom:2px solid var(--border-color);margin-bottom:20px;overflow-x:auto}
.tab{padding:14px 20px;cursor:pointer;border-bottom:3px solid transparent;color:var(--text-secondary);font-weight:500;transition:all var(--transition-fast);white-space:nowrap;min-height:48px;display:flex;align-items:center}
.tab:hover,.tab.active{color:var(--primary);border-color:var(--primary)}
.alert{padding:14px 18px;border-radius:var(--radius-md);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.alert-success{background:linear-gradient(135deg,#f6ffed 0%,#d9f7be 100%);border:1px solid #b7eb8f;color:#389e0d}
.alert-error{background:linear-gradient(135deg,#fff1f0 0%,#ffccc7 100%);border:1px solid #ffa39e;color:#cf1322}
.alert-info{background:linear-gradient(135deg,#e6f7ff 0%,#bae7ff 100%);border:1px solid #91d5ff;color:var(--primary-dark)}
.auth-container{max-width:420px;margin:40px auto;padding:32px;background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.auth-header{text-align:center;margin-bottom:30px}
.auth-header .logo{font-size:28px;justify-content:center;margin-bottom:16px}
.auth-header p{color:var(--text-muted)}
.auth-tabs{display:flex;border-bottom:2px solid var(--border-color);margin-bottom:24px}
.auth-tab{flex:1;text-align:center;padding:14px;cursor:pointer;border-bottom:3px solid transparent;color:var(--text-secondary);font-weight:500;transition:all var(--transition-fast)}
.auth-tab.active{border-color:var(--primary);color:var(--primary)}
.auth-form{display:none}
.auth-form.active{display:block;animation:fadeIn 0.3s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.mobile-tab-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--bg-white);box-shadow:0 -2px 12px rgba(0,0,0,0.1);z-index:100;padding:8px 0;padding-bottom:calc(8px + env(safe-area-inset-bottom,0))}
.tab-bar-items{display:flex;justify-content:space-around}
.tab-bar-item{display:flex;flex-direction:column;align-items:center;padding:8px 16px;color:var(--text-muted);text-decoration:none;transition:all var(--transition-fast);min-width:60px}
.tab-bar-item .icon{font-size:22px;margin-bottom:4px}
.tab-bar-item .label{font-size:11px}
.tab-bar-item.active{color:var(--primary)}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state .icon{font-size:64px;margin-bottom:20px;opacity:0.5}
.empty-state p{font-size:16px;margin-bottom:20px}
.tag{display:inline-block;padding:4px 12px;background:var(--bg-color);color:var(--text-secondary);border-radius:20px;font-size:13px;margin:4px;transition:all var(--transition-fast)}
.tag:hover{background:rgba(24,144,255,0.1);color:var(--primary)}
.file-tags,.file-demo{margin:20px 0}
.file-tags h3,.file-demo h3{margin-bottom:12px;font-size:16px}
.seller-info{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}
@media (max-width:1024px){.file-detail{grid-template-columns:1fr 320px}.user-center{grid-template-columns:220px 1fr}}
@media (max-width:768px){html{font-size:13px}.header-content{padding:10px 0}.nav{display:none}.menu-btn{display:flex}.container{padding:0 12px}.main{padding:16px 0 90px}.file-detail{grid-template-columns:1fr}.file-sidebar{position:static;order:-1}.user-center{grid-template-columns:1fr}.user-sidebar{position:static}.user-avatar{width:64px;height:64px;font-size:24px}.file-grid{grid-template-columns:repeat(2,1fr);gap:12px}.file-preview{height:120px}.file-info{padding:10px}.file-info h3{font-size:13px}.file-desc{display:none}.search-box{padding:14px;position:sticky;top:60px;z-index:50;border-radius:0;margin:-16px -12px 16px}.search-box form{flex-direction:column}.search-box button{width:100%}.categories{overflow-x:auto;flex-wrap:nowrap;padding-bottom:10px;margin-bottom:16px;-webkit-overflow-scrolling:touch}.category-item{flex-shrink:0;padding:8px 14px;font-size:13px}.section{padding:16px;border-radius:var(--radius-sm)}.section-header h2{font-size:16px}.result-item{flex-direction:column;gap:12px}.result-thumb{width:100%;height:160px}.table{display:block;overflow-x:auto}.modal-content{margin:10px;padding:16px}.auth-container{margin:20px 12px;padding:24px 20px;border-radius:var(--radius-md)}.sign-card{padding:24px 20px}.sign-points{font-size:48px}.mobile-tab-bar{display:block}.upload-area{padding:32px 20px}.pagination{gap:6px}.pagination a,.pagination span{padding:8px 12px;min-width:40px;font-size:13px}.file-preview-images{grid-template-columns:repeat(2,1fr)}.price-tag{font-size:28px}.tabs{margin:0 -12px;padding:0 12px}}
@media (max-width:480px){html{font-size:12px}.file-grid{grid-template-columns:1fr}.file-preview{height:180px}.file-desc{display:-webkit-box}.user-stats{grid-template-columns:repeat(4,1fr);gap:8px}.stat-item{padding:12px 8px}.stat-value{font-size:18px}.logo{font-size:18px}.logo-icon{width:28px;height:28px}.btn{padding:12px 18px;font-size:14px}.form-group{margin-bottom:16px}.form-control{padding:14px}.search-filters{flex-direction:column;align-items:stretch}.search-filters select{width:100%}.auth-container{margin:16px 8px;padding:20px 16px}.modal-content{margin:8px}.tab-bar-item .icon{font-size:20px}.tab-bar-item .label{font-size:10px}.empty-state{padding:40px 16px}.empty-state .icon{font-size:48px}}