:root{--primary-color: #f97316;--primary-color-hover: #ea580c;--primary-color-light: #fb923c;--primary-gradient: linear-gradient(135deg, #f97316 0%, #ef4444 100%);--bg-primary: #f8fafc;--bg-secondary: #fff;--bg-tertiary: #f1f5f9;--bg-dark: #1e293b;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--text-light: #cbd5e1;--border-color: #e2e8f0;--border-light: #f1f5f9;--radius-sm: 4px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1)}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{from{opacity:0;transform:translateX(100px)}to{opacity:1;transform:translateX(0)}}.mod-list-header{background:linear-gradient(135deg, #1e293b 0%, #334155 100%);padding:35px 0}@media screen and (max-width: 767px){.mod-list-header{padding:25px 0}}.mod-list-header .header-content{text-align:center;color:#fff}.mod-list-header .header-title{font-size:28px;font-weight:700;margin-bottom:10px}@media screen and (max-width: 767px){.mod-list-header .header-title{font-size:22px}}.mod-list-header .header-count{font-size:14px;color:hsla(0,0%,100%,.7)}.mod-list-header .header-count span{color:var(--primary-color-light);font-weight:600}.mod-filter{background:var(--bg-secondary);padding:20px 0;margin-bottom:25px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}@media screen and (max-width: 767px){.mod-filter{padding:15px 0;margin-bottom:20px;border-radius:0}}.filter-category{padding:0 20px 15px;border-bottom:1px solid var(--border-color)}@media screen and (max-width: 767px){.filter-category{padding:0 15px 12px}}.filter-category .category-list{display:flex;flex-wrap:wrap;gap:10px}@media screen and (max-width: 767px){.filter-category .category-list{gap:8px}}.filter-category .category-item{padding:8px 18px;font-size:14px;color:var(--text-secondary);background:var(--bg-primary);border-radius:var(--radius);transition:all .2s}@media screen and (max-width: 767px){.filter-category .category-item{padding:6px 12px;font-size:13px}}.filter-category .category-item:hover{color:var(--primary-color);background:rgba(249,115,22,.1)}.filter-category .category-item.active{color:#fff;background:var(--primary-gradient)}.filter-extend{padding:15px 20px 0}@media screen and (max-width: 767px){.filter-extend{padding:12px 15px 0}}.filter-group{display:flex;padding:12px 0;border-bottom:1px dashed var(--border-light)}@media screen and (max-width: 767px){.filter-group{flex-direction:column;gap:8px}}.filter-group:last-of-type{border-bottom:none}.filter-group.filter-hidden{display:none}.filter-group.filter-hidden.show{display:flex}.filter-group .filter-label{flex-shrink:0;width:70px;font-size:14px;font-weight:500;color:var(--text-primary);line-height:32px}@media screen and (max-width: 767px){.filter-group .filter-label{width:auto;line-height:1.5}}.filter-group .filter-options{flex:1;display:flex;flex-wrap:wrap;gap:8px}.filter-group .filter-option{padding:6px 14px;font-size:13px;color:var(--text-secondary);background:var(--bg-primary);border-radius:var(--radius-sm);transition:all .2s}@media screen and (max-width: 767px){.filter-group .filter-option{padding:5px 10px;font-size:12px}}.filter-group .filter-option:hover{color:var(--primary-color);background:rgba(249,115,22,.1)}.filter-group .filter-option.active{color:#fff;background:var(--primary-color)}.filter-toggle{display:flex;align-items:center;justify-content:center;gap:5px;padding:12px;margin-top:10px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:color .2s}.filter-toggle:hover{color:var(--primary-color)}.filter-toggle.expanded svg{transform:rotate(180deg)}.filter-toggle svg{width:16px;height:16px;transition:transform .3s}.mod-video-list{margin-top:25px}@media screen and (max-width: 767px){.mod-video-list{margin-top:0}}.list-empty{display:flex;align-items:center;justify-content:center;flex-direction:column;padding:80px 20px;text-align:center}.list-empty svg{width:100px;height:100px;color:var(--text-muted);margin-bottom:25px}.list-empty .empty-title{font-size:20px;font-weight:500;color:var(--text-primary);margin-bottom:10px}.list-empty .empty-desc{font-size:14px;color:var(--text-secondary)}