/* 网盘搜索网站 - 合并后的CSS */
/* 包含: skillhub.css + enhancements.css */

/* 字体优化：使用系统字体，无需加载外部字体文件 */

:root{--sh-bg:#f5f7fa;--sh-card:#ffffff;--sh-nav-bg:#1a1a2e;--sh-nav-text:#ffffff;--sh-text:#2d3748;--sh-text-secondary:#718096;--sh-border:#e2e8f0;--sh-primary:#3182ce;--sh-primary-dark:#2c5282;--sh-primary-light:#63b3ed;--sh-accent:#4299e1;--sh-success:#48bb78;--sh-warning:#ed8936;--sh-danger:#f56565;--sh-shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--sh-shadow:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--sh-shadow-md:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--sh-shadow-lg:0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);--sh-radius-sm:6px;--sh-radius:10px;--sh-radius-lg:16px;--sh-font:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sh-font);background:var(--sh-bg);color:var(--sh-text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;font-size:15px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.sh-card{background:var(--sh-card);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);border:1px solid var(--sh-border)}
.sh-card-hover{transition:all .3s ease}
.sh-card-hover:hover{transform:translateY(-2px);box-shadow:var(--sh-shadow-md)}
.header{background:var(--sh-nav-bg);position:sticky;top:0;z-index:1000;box-shadow:var(--sh-shadow)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-icon{width:42px;height:42px;background:linear-gradient(135deg,var(--sh-primary) 0%,var(--sh-accent) 100%);border-radius:var(--sh-radius);display:flex;align-items:center;justify-content:center;font-size:20px;color:white;box-shadow:var(--sh-shadow)}
.logo-text{font-size:22px;font-weight:700;color:var(--sh-nav-text);letter-spacing:-.3px}
.nav-link{display:flex;align-items:center;gap:8px;padding:10px 22px;background:var(--sh-primary);color:white;text-decoration:none;font-size:14px;font-weight:600;border-radius:var(--sh-radius);box-shadow:var(--sh-shadow-sm);transition:all .2s ease}
.nav-link:hover{background:var(--sh-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-shadow)}
.nav{display:flex;align-items:center;gap:24px}
.nav-categories{display:flex;align-items:center;gap:8px}
.nav-label{font-size:13px;font-weight:600;color:rgba(255,255,255,0.6);margin-right:4px}
.nav-cat-link{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:rgba(255,255,255,0.1);border-radius:var(--sh-radius-sm);text-decoration:none;font-size:18px;color:rgba(255,255,255,0.9);transition:all .2s ease}
.nav-cat-link:hover{background:var(--sh-primary);color:white;transform:scale(1.05)}
.search-section{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:70px 0 60px;position:relative;overflow:hidden}
.search-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.5}
.search-section.center{padding:90px 0 70px;text-align:center}
.search-section.top{padding:50px 0 40px}
.search-title{font-size:40px;font-weight:700;margin-bottom:16px;color:white;text-shadow:0 2px 10px rgba(0,0,0,0.2);position:relative;z-index:1}
.search-subtitle{font-size:16px;color:rgba(255,255,255,0.85);margin-bottom:35px;font-weight:400;position:relative;z-index:1}
.search-subtitle span{display:inline-flex;align-items:center;gap:4px;margin:0 6px;padding:4px 12px;background:rgba(255,255,255,0.15);border-radius:20px;font-size:13px;backdrop-filter:blur(10px)}
.search-box{max-width:720px;margin:0 auto 35px;position:relative;z-index:1}
.search-input-wrapper{display:flex;background:var(--sh-card);border-radius:var(--sh-radius-lg);box-shadow:var(--sh-shadow-lg);overflow:hidden;border:2px solid transparent;transition:border-color .2s}
.search-input-wrapper:focus-within{border-color:var(--sh-primary-light)}
.search-input{flex:1;padding:18px 24px;border:none;font-size:16px;outline:none;background:transparent;color:var(--sh-text);font-family:var(--sh-font)}
.search-input::placeholder{color:var(--sh-text-secondary)}
.search-btn{padding:0 32px;background:var(--sh-primary);color:white;border:none;font-size:15px;font-weight:600;cursor:pointer;font-family:var(--sh-font);transition:all .2s}
.search-btn:hover{background:var(--sh-primary-dark)}
.filter-types{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;position:relative;z-index:1}
.type-tag{padding:8px 18px;background:rgba(255,255,255,0.15);color:rgba(255,255,255,0.9);text-decoration:none;font-size:13px;font-weight:500;border-radius:20px;transition:all .2s;backdrop-filter:blur(10px)}
.type-tag:hover{background:rgba(255,255,255,0.25);color:white}
.type-tag.active{background:white;color:var(--sh-primary);font-weight:600}
.main-content{flex:1;padding:50px 0;background:var(--sh-bg)}
.section-title{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:700;margin-bottom:28px;color:var(--sh-text)}
.section-title span{font-size:26px}
.results-header{margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:15px}
.results-header h2{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;color:var(--sh-text)}
.results-count{color:var(--sh-text-secondary);font-weight:500;font-size:13px;background:var(--sh-card);padding:6px 14px;border-radius:20px;border:1px solid var(--sh-border)}
.active-filters{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--sh-card);border:1px solid var(--sh-border);border-radius:20px;font-size:13px;font-weight:500;color:var(--sh-text);box-shadow:var(--sh-shadow-sm)}
.filter-chip .remove{color:var(--sh-text-secondary);text-decoration:none;font-size:16px;line-height:1;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s}
.filter-chip .remove:hover{background:var(--sh-danger);color:white}
.resource-list{display:flex;flex-direction:column;gap:12px}
.resource-list-item{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow-sm);padding:18px 24px;display:flex;align-items:center;gap:20px;transition:all .2s ease;text-decoration:none;color:inherit;cursor:pointer;animation:slideIn .3s ease forwards}
.resource-list-item:hover{transform:translateY(-2px);box-shadow:var(--sh-shadow);border-color:var(--sh-primary-light);color:inherit}
.list-item-badges{display:flex;flex-direction:row;align-items:center;gap:10px;min-width:140px}
.list-item-type{display:inline-block;padding:5px 12px;color:white;font-size:12px;font-weight:600;text-align:center;border-radius:var(--sh-radius-sm)}
.list-item-category{font-size:13px;font-weight:500;text-align:center;color:var(--sh-text-secondary);background:var(--sh-bg);padding:4px 10px;border-radius:var(--sh-radius-sm)}
.list-item-title{flex:1;font-size:15px;font-weight:600;margin:0;color:var(--sh-text)}
.list-item-title a{color:var(--sh-text);text-decoration:none;transition:color .2s}
.list-item-title a:hover{color:var(--sh-primary)}
.list-item-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--sh-text-secondary);min-width:100px;text-align:right}
.empty-state{text-align:center;padding:70px 20px;background:var(--sh-card);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);border:1px solid var(--sh-border)}
.empty-icon{font-size:64px;margin-bottom:20px;opacity:.5}
.empty-state p{color:var(--sh-text-secondary);font-size:16px;font-weight:500}
.pagination-wrapper{margin-top:40px}
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.page-btn{padding:10px 18px;background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);color:var(--sh-text);text-decoration:none;font-size:14px;font-weight:500;box-shadow:var(--sh-shadow-sm);transition:all .2s}
.page-btn:hover{background:var(--sh-bg);border-color:var(--sh-primary);color:var(--sh-primary)}
.page-btn.current{background:var(--sh-primary);color:white;border-color:var(--sh-primary)}
.page-ellipsis{padding:10px;color:var(--sh-text-secondary);font-weight:500}
.hot-section{margin-bottom:50px}
.about-section{background:var(--sh-card);padding:40px;border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);border:1px solid var(--sh-border)}
.about-content{color:var(--sh-text-secondary);line-height:1.8;font-size:15px}
.about-content p{margin-bottom:16px}
.disclaimer-content{color:var(--sh-text-secondary);line-height:1.8;font-size:15px}
.disclaimer-content h3{font-size:16px;font-weight:600;color:var(--sh-text);margin:24px 0 12px;display:flex;align-items:center;gap:8px}
.disclaimer-content h3:first-child{margin-top:0}
.disclaimer-content p{margin:0 0 8px}
.disclaimer-content a{color:var(--sh-primary);text-decoration:none;font-weight:600}
.disclaimer-content a:hover{text-decoration:underline}
.resource-detail{max-width:900px;margin:0 auto;padding:20px 0 40px}
.detail-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;padding:15px 20px;background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow-sm)}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--sh-text);text-decoration:none;font-weight:600;font-size:14px;padding:8px 16px;border-radius:var(--sh-radius-sm);border:1px solid var(--sh-border);background:var(--sh-bg);transition:all .2s}
.back-link:hover{background:var(--sh-primary);color:white;border-color:var(--sh-primary)}
.detail-nav-actions{display:flex;gap:10px}
.nav-action-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:white;border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.nav-action-btn:hover{background:var(--sh-primary);color:white;border-color:var(--sh-primary)}
.detail-hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow-lg);padding:40px;margin-bottom:30px;position:relative;overflow:hidden}
.detail-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.3}
.detail-hero-content{position:relative;z-index:1}
.detail-header{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:32px;margin-bottom:24px}
.detail-badges{display:flex;gap:10px;margin-bottom:16px}
.detail-type{display:inline-block;padding:6px 14px;color:white;font-size:13px;font-weight:600;border-radius:var(--sh-radius-sm)}
.detail-category{font-size:14px;font-weight:600;color:var(--sh-text-secondary);background:var(--sh-bg);padding:6px 14px;border-radius:var(--sh-radius-sm)}
.detail-title{font-size:28px;font-weight:700;margin:0;line-height:1.4;color:var(--sh-text)}
.detail-meta{display:flex;gap:16px;font-size:14px;color:var(--sh-text-secondary);flex-wrap:wrap}
.detail-meta span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--sh-bg);border-radius:20px;border:1px solid var(--sh-border)}
.link-copy-box{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:24px 32px;margin-bottom:24px}
.link-copy-box h3{font-size:14px;font-weight:700;margin-bottom:15px;color:var(--sh-text-secondary);text-transform:uppercase;letter-spacing:1px}
.copy-input-group{display:flex;gap:10px}
.copy-input{flex:1;padding:12px 16px;border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);font-size:14px;background:var(--sh-bg);color:var(--sh-text)}
.copy-btn{padding:12px 24px;background:var(--sh-primary);color:white;border:none;border-radius:var(--sh-radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.copy-btn:hover{background:var(--sh-primary-dark)}
.copy-btn.copied{background:var(--sh-success)}
.related-resources{margin-top:40px;margin-bottom:40px}
.related-title{font-size:20px;font-weight:700;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--sh-border);display:flex;align-items:center;gap:10px;color:var(--sh-text)}
.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.related-item{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:20px;text-decoration:none;transition:all .2s}
.related-item:hover{transform:translateY(-4px);box-shadow:var(--sh-shadow-md);border-color:var(--sh-primary)}
.related-item-badges{display:flex;gap:8px;margin-bottom:12px}
.related-item-type{padding:3px 10px;font-size:11px;font-weight:600;color:white;border-radius:var(--sh-radius-sm)}
.related-item-category{font-size:12px;font-weight:600;padding:3px 10px;background:var(--sh-bg);border-radius:var(--sh-radius-sm)}
.related-item-title{font-size:15px;font-weight:600;color:var(--sh-text);line-height:1.4;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.related-item:hover .related-item-title{color:var(--sh-primary)}
.related-item-meta{font-size:12px;color:var(--sh-text-secondary)}
.detail-image{background:linear-gradient(135deg,#f5f5f5 0%,#e8e8e8 100%);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);margin-bottom:24px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:300px;max-height:500px;padding:20px}
.detail-image img{max-width:100%;max-height:460px;width:auto;height:auto;object-fit:contain;display:block;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,0.15)}
.detail-description{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:28px 32px;margin-bottom:24px}
.detail-description h3{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--sh-text)}
.detail-description p{color:var(--sh-text-secondary);line-height:1.8}
.detail-douban{background:linear-gradient(135deg,#fef9f3 0%,#fdf3e7 100%);border:1px solid #e8d5c4;border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:28px 32px;margin-bottom:24px}
.detail-douban h3{font-size:16px;font-weight:700;margin-bottom:16px;color:#8b5a2b}
.detail-douban .douban-content{color:var(--sh-text-secondary);line-height:1.8;white-space:pre-line}
.link-status-box{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:20px 24px;margin-bottom:24px;border-left:4px solid var(--sh-border)}
.link-status-box.status-success{border-left-color:var(--sh-success)}
.link-status-box.status-warning{border-left-color:var(--sh-warning)}
.link-status-box.status-error{border-left-color:var(--sh-danger)}
.link-status-box.status-unknown{border-left-color:var(--sh-text-secondary)}
.status-header{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;margin-bottom:8px;color:var(--sh-text)}
.status-icon{font-size:22px}
.status-tip{font-size:13px;color:var(--sh-text-secondary);margin:0}
.detail-action{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:32px;text-align:center;margin-bottom:24px}
.detail-get-btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--sh-primary) 0%,var(--sh-accent) 100%);color:white;padding:16px 48px;font-size:17px;font-weight:600;text-decoration:none;border-radius:var(--sh-radius);box-shadow:var(--sh-shadow-md);transition:all .3s ease}
.detail-get-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-shadow-lg)}
.detail-get-btn.disabled{background:var(--sh-text-secondary);cursor:not-allowed;box-shadow:none}
.detail-get-btn.disabled:hover{transform:none;box-shadow:none}
.action-tip{font-size:13px;color:var(--sh-text-secondary);margin:16px 0 0}
.detail-info{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:28px 32px;margin-bottom:24px}
.detail-info h3{font-size:16px;font-weight:700;margin-bottom:20px;color:var(--sh-text)}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px}
.info-item{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--sh-border)}
.info-label{font-size:14px;color:var(--sh-text-secondary);font-weight:500}
.info-value{font-size:14px;font-weight:600;color:var(--sh-text)}
.detail-feedback{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:28px 32px}
.detail-feedback h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--sh-text)}
.feedback-tip{font-size:13px;color:var(--sh-text-secondary);margin-bottom:16px}
.feedback-toggle-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:#fff5f5;color:#c53030;border:1px solid #feb2b2;border-radius:var(--sh-radius);font-size:14px;font-weight:600;cursor:pointer;font-family:var(--sh-font);transition:all .2s}
.feedback-toggle-btn:hover{background:#fed7d7}
.feedback-form{margin-top:20px;padding-top:20px;border-top:1px solid var(--sh-border);animation:slideIn .3s ease forwards}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--sh-text)}
.feedback-types{display:flex;flex-wrap:wrap;gap:12px}
.feedback-type-option{display:flex;align-items:center;gap:8px;padding:10px 18px;background:var(--sh-bg);border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);cursor:pointer;font-size:14px;font-weight:500;color:var(--sh-text);transition:all .2s}
.feedback-type-option:hover{border-color:var(--sh-primary)}
.feedback-type-option input[type="radio"]{margin:0;cursor:pointer}
.feedback-type-option:has(input:checked){background:var(--sh-primary);border-color:var(--sh-primary);color:white}
.form-input,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);font-size:14px;font-family:var(--sh-font);background:var(--sh-card);outline:none;transition:all .2s}
.form-input:focus,.form-textarea:focus{border-color:var(--sh-primary);box-shadow:0 0 0 3px rgba(49,130,206,0.1)}
.form-textarea{resize:vertical;min-height:100px}
.form-actions{display:flex;gap:12px;margin-top:20px}
.btn-cancel,.btn-submit{padding:12px 28px;font-size:14px;font-weight:600;cursor:pointer;font-family:var(--sh-font);border-radius:var(--sh-radius-sm);border:none;transition:all .2s}
.btn-cancel{background:var(--sh-bg);color:var(--sh-text);border:1px solid var(--sh-border)}
.btn-cancel:hover{background:var(--sh-border)}
.btn-submit{background:var(--sh-primary);color:white}
.btn-submit:hover{background:var(--sh-primary-dark)}
.footer{background:var(--sh-nav-bg);color:rgba(255,255,255,0.7);padding:35px 0;text-align:center;margin-top:auto}
.footer p{font-size:14px;font-weight:400}
.mobile-categories{display:none}
@media(max-width:768px){.nav-categories{display:none}.mobile-categories{display:block;margin-top:25px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.2)}.mobile-cat-label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,0.7);margin-bottom:12px;text-align:center}.mobile-cat-list{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.mobile-cat-link{display:flex;align-items:center;gap:6px;padding:8px 14px;background:rgba(255,255,255,0.15);border-radius:20px;text-decoration:none;font-size:13px;font-weight:500;color:rgba(255,255,255,0.9);transition:all .2s}.mobile-cat-link:hover{background:white;color:var(--sh-primary)}.mobile-cat-icon{font-size:14px}.mobile-cat-name{font-size:12px}.container{padding:0 16px}.header .container{height:60px}.logo-icon{width:36px;height:36px;font-size:18px}.logo-text{font-size:18px}.nav-link span{display:none}.nav-link{padding:10px 14px}.nav{gap:12px}.search-section.center{padding:50px 0 40px}.search-title{font-size:28px}.search-subtitle{font-size:13px}.search-subtitle span{margin:3px;padding:3px 10px;font-size:11px}.search-input{padding:14px 16px;font-size:15px}.resource-list-item{padding:14px 16px;display:grid;grid-template-areas:"badges meta" "title title";grid-template-columns:1fr auto;gap:10px 12px;align-items:center}.list-item-badges{grid-area:badges;flex-direction:row;min-width:auto;justify-content:flex-start;align-items:center;gap:8px}.list-item-type{padding:4px 10px;font-size:11px;flex-shrink:0}.list-item-category{font-size:11px;flex-shrink:0;padding:3px 8px}.list-item-title{grid-area:title;width:100%;font-size:14px;line-height:1.5;margin:0}.list-item-title a{display:block;word-break:break-all;overflow-wrap:break-word;white-space:normal}.list-item-meta{grid-area:meta;flex-direction:row;min-width:auto;gap:8px;text-align:right;font-size:11px}.resource-detail{padding:20px 0}.detail-header,.detail-image,.detail-description,.detail-douban,.detail-action,.detail-info,.detail-feedback{padding:20px}.feedback-types{flex-direction:column;gap:8px}.feedback-type-option{width:100%}.form-actions{flex-direction:column}.btn-cancel,.btn-submit{width:100%}.detail-title{font-size:20px}.detail-meta{flex-wrap:wrap;gap:12px}.detail-get-btn{padding:14px 32px;font-size:15px}.info-grid{grid-template-columns:1fr}.search-btn{padding:0 18px;font-size:14px}.filter-types{gap:6px}.type-tag{padding:6px 12px;font-size:12px}.section-title{font-size:18px}.about-section{padding:25px 20px}.disclaimer-content{font-size:14px}.disclaimer-content h3{font-size:15px;margin:20px 0 10px}}
.submit-container{width:900px;max-width:calc(100% - 40px);margin:40px auto;padding:0 20px}
.submit-header{text-align:center;margin-bottom:30px}
.submit-header h1{font-size:28px;font-weight:700;color:var(--sh-text);margin-bottom:10px}
.submit-header p{color:var(--sh-text-secondary)}
.submit-form{background:var(--sh-card);border:1px solid var(--sh-border);border-radius:var(--sh-radius);box-shadow:var(--sh-shadow);padding:30px}
.submit-form .form-group{margin-bottom:20px}
.submit-form .form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--sh-text)}
.submit-form .form-group label .required{color:var(--sh-danger)}
.submit-form .form-group input[type="text"],.submit-form .form-group textarea,.submit-form .form-group select{width:100%;padding:12px 15px;border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);font-size:15px;font-family:var(--sh-font);background:var(--sh-card);color:var(--sh-text);transition:all .2s}
.submit-form .form-group input:focus,.submit-form .form-group textarea:focus,.submit-form .form-group select:focus{outline:none;border-color:var(--sh-primary);box-shadow:0 0 0 3px rgba(49,130,206,0.1)}
.submit-form .form-group textarea{resize:vertical;min-height:100px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.captcha-group{display:flex;gap:10px;align-items:center}
.captcha-group input{flex:1}
.captcha-code{font-family:'Courier New',monospace;font-size:24px;font-weight:700;letter-spacing:8px;padding:8px 20px;background:linear-gradient(135deg,var(--sh-primary) 0%,#764ba2 100%);color:white;border-radius:var(--sh-radius-sm);user-select:none;text-shadow:1px 1px 2px rgba(0,0,0,0.3)}
.captcha-refresh{padding:8px 15px;background:var(--sh-bg);border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);cursor:pointer;font-size:18px;transition:all .2s}
.captcha-refresh:hover{background:var(--sh-primary);color:white}
.submit-form .form-actions{display:flex;gap:15px;margin-top:30px}
.submit-form .btn-submit{flex:1;padding:15px;background:var(--sh-primary);color:white;border:none;border-radius:var(--sh-radius-sm);font-size:16px;font-weight:600;cursor:pointer;box-shadow:var(--sh-shadow-sm);transition:all .2s;font-family:var(--sh-font)}
.submit-form .btn-submit:hover{background:var(--sh-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-shadow)}
.btn-back{padding:15px 30px;background:var(--sh-bg);color:var(--sh-text);text-decoration:none;border:1px solid var(--sh-border);border-radius:var(--sh-radius-sm);font-weight:600;text-align:center;box-shadow:var(--sh-shadow-sm);transition:all .2s}
.btn-back:hover{background:var(--sh-border)}
.alert{padding:15px 20px;border-radius:var(--sh-radius-sm);margin-bottom:20px;font-weight:500}
.alert-success{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}
.alert-error{background:#ffebee;color:#c62828;border:1px solid #ef9a9a}
.tips{background:#fff9e6;border:1px solid #ffc107;border-radius:var(--sh-radius-sm);padding:15px;margin-bottom:20px;font-size:14px;color:var(--sh-text)}
.tips strong{color:var(--sh-primary)}
@keyframes slideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:768px){.submit-container{margin:20px auto}.submit-form{padding:20px}.form-row{grid-template-columns:1fr}.submit-form .form-actions{flex-direction:column}.captcha-group{flex-wrap:wrap}.captcha-code{order:-1;width:100%;text-align:center}.btn-back{width:100%}}

/* ==================== Enhancements ==================== */
@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skeleton-wrapper{width:100%}
.skeleton-card,.skeleton-list-item,.skeleton-text-block{background:#fff;border-radius:8px;padding:20px;margin-bottom:16px;border:1px solid #e5e5e5}
.skeleton-image,.skeleton-avatar,.skeleton-title,.skeleton-text{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:4px}
.skeleton-image{width:100%;height:160px;margin-bottom:16px}
.skeleton-avatar{width:48px;height:48px;border-radius:50%;margin-right:16px;flex-shrink:0}
.skeleton-title{height:20px;width:70%;margin-bottom:12px}
.skeleton-text{height:14px;width:100%;margin-bottom:8px}
.skeleton-text.short{width:40%}
.skeleton-list-item{display:flex;align-items:center}
.skeleton-content{flex:1}
.global-loading{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.9);display:flex;align-items:center;justify-content:center;z-index:99999;transition:opacity .3s}
.loading-spinner{text-align:center}
.spinner-ring{width:60px;height:60px;border:4px solid #f3f3f3;border-top:4px solid #ff6b4a;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
.loading-text{color:#666;font-size:14px}
.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,0.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;margin-right:8px;vertical-align:middle}
img[data-src]{opacity:0;transition:opacity .3s}
img.lazy-loaded{opacity:1}
img.lazy-error{opacity:1;background:#f5f5f5}
.search-suggestions{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid #e5e5e5;border-top:none;border-radius:0 0 8px 8px;box-shadow:0 4px 12px rgba(0,0,0,0.1);z-index:100;max-height:300px;overflow-y:auto}
.suggestion-item{padding:12px 20px;cursor:pointer;border-bottom:1px solid #f0f0f0;transition:background .2s}
.suggestion-item:last-child{border-bottom:none}
.suggestion-item:hover,.suggestion-item.active{background:#f5f5f5}
.dark-mode{filter:invert(1) hue-rotate(180deg)}
.dark-mode img,.dark-mode video,.dark-mode iframe{filter:invert(1) hue-rotate(180deg)}
.dark-mode .search-suggestions,.dark-mode .global-loading{filter:invert(1) hue-rotate(180deg)}
.dark-mode-toggle{position:fixed;bottom:90px;right:30px;width:50px;height:50px;border-radius:50%;background:#2d2d2d;color:white;border:none;font-size:20px;cursor:pointer;z-index:9999;box-shadow:0 4px 12px rgba(0,0,0,0.15);transition:all .3s}
.dark-mode-toggle:hover{transform:scale(1.1)}
.fade-in{animation:fadeIn .5s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.toast{backdrop-filter:blur(10px);background:rgba(51,51,51,0.95)!important}
@media(max-width:768px){.search-suggestions{left:10px;right:10px}.suggestion-item{padding:14px 16px;font-size:15px}}
.will-change-transform{will-change:transform}
.content-visibility-auto{content-visibility:auto;contain-intrinsic-size:0 500px}
.gpu-accelerated{transform:translateZ(0);backface-visibility:hidden}
@media print{.dark-mode-toggle,.global-loading,.search-suggestions{display:none!important}}