/* 基础重置 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:#f5f5f5;color:#333;line-height:1.6;font-size:14px;transition:background .3s,color .3s}
a{color:#333;text-decoration:none}
a:hover{color:#e74c3c;text-decoration:underline}
ul,ol{list-style:none}

/* 暗色模式 */
body.dark{background:#1a1a2e;color:#e0e0e0}
body.dark a{color:#e0e0e0}
body.dark .header{background:#16213e;border-bottom-color:#e74c3c}
body.dark .logo span{color:#a0a0a0}
body.dark .search-box input{background:#0f3460;border-color:#0f3460;color:#fff}
body.dark .search-box input::placeholder{color:#a0a0a0}
body.dark .nav{background:#16213e;border-bottom-color:#333}
body.dark .nav a{color:#a0a0a0}
body.dark .nav a:hover,body.dark .nav a.active{color:#e74c3c}
body.dark .section{background:#16213e}
body.dark .section-header{background:#1a1a2e;border-bottom-color:#333}
body.dark .section-header h2{color:#e0e0e0}
body.dark .section-header .more{color:#a0a0a0}
body.dark .price-table th{background:#1a1a2e;border-bottom-color:#333;color:#e0e0e0}
body.dark .price-table td{border-bottom-color:#333;color:#e0e0e0}
body.dark .price-table tr:hover{background:#1a1a2e}
body.dark .side-block{background:#16213e}
body.dark .side-block .side-title{background:#1a1a2e;border-bottom-color:#333;color:#e0e0e0}
body.dark .side-list li{border-bottom-color:#333}
body.dark .side-list li a{color:#a0a0a0}
body.dark .side-list li .num{background:#333;color:#a0a0a0}
body.dark .card-list .card-item{border-bottom-color:#333}
body.dark .card-info .name{color:#e0e0e0}
body.dark .card-info .desc{color:#a0a0a0}
body.dark .tag-nav a{background:#1a1a2e;color:#a0a0a0}
body.dark .tag-nav a:hover,body.dark .tag-nav a.active{background:#e74c3c;color:#fff}
body.dark .breadcrumb{color:#a0a0a0}
body.dark .breadcrumb a{color:#a0a0a0}
body.dark .page-title{color:#e0e0e0}
body.dark .page-desc{color:#a0a0a0}
body.dark .notice-bar{background:#1a1a2e;border-color:#333}
body.dark .link-grid .link-item a{color:#e0e0e0}
body.dark .link-grid .link-item a:hover{background:#1a1a2e}
body.dark .quick-entry a{background:#1a1a2e;border-color:#333}
body.dark .quick-entry a:hover{background:#16213e}
body.dark .quick-entry a .qtext{color:#a0a0a0}
body.dark .footer{background:#0f0f23}
body.dark #back-to-top{background:#e74c3c}
body.dark input[type="email"]{background:#1a1a2e;color:#fff;border-color:#333}
body.dark select.tool-input{background:#1a1a2e;border-color:#333;color:#fff}
body.dark input[type="range"]{background:#333}
body.dark input[type="color"]{background:#1a1a2e;border-color:#333}
body.dark input[type="datetime-local"]{background:#1a1a2e;border-color:#333;color:#fff}
body.dark input[type="number"]{background:#1a1a2e;border-color:#333;color:#fff}

/* 顶部通栏 */
.top-bar{background:#2c3e50;color:#fff;text-align:center;padding:6px 0;font-size:12px}
.top-bar a{color:#ecf0f1;margin:0 10px}
.top-bar a:hover{color:#fff}

/* 头部 */
.header{background:#fff;border-bottom:3px solid #e74c3c;padding:15px 0}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.logo{font-size:28px;font-weight:bold;color:#e74c3c}
.logo span{color:#2c3e50;font-size:14px;font-weight:normal;margin-left:8px}
.search-box{display:flex;width:420px}
.search-box input{flex:1;border:2px solid #ddd;border-right:none;padding:8px 15px;font-size:14px;border-radius:3px 0 0 3px;outline:none}
.search-box input:focus{border-color:#e74c3c}
.search-box button{background:#e74c3c;color:#fff;border:none;padding:8px 20px;cursor:pointer;font-size:14px;border-radius:0 3px 3px 0}
.search-box button:hover{background:#c0392b}

/* 导航 */
.nav{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;padding:0 20px;flex-wrap:wrap}
.nav-close{display:none}
.nav a{display:block;padding:12px 20px;color:#555;font-size:15px;border-bottom:2px solid transparent;transition:all .2s}
.nav a:hover,.nav a.active{color:#e74c3c;border-bottom-color:#e74c3c;text-decoration:none}

/* 主体 */
.container{max-width:1200px;margin:0 auto;padding:20px}

/* 分类块 */
.section{background:#fff;border-radius:4px;margin-bottom:15px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.section-header{background:#f8f9fa;border-bottom:1px solid #eee;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.section-header h2{font-size:16px;color:#2c3e50;display:flex;align-items:center;gap:8px}
.section-header h2 .icon{width:4px;height:18px;background:#e74c3c;display:inline-block;border-radius:2px}
.section-header .more{color:#999;font-size:12px}
.section-body{padding:15px 20px}

/* 链接网格 - hao123风格 */
.link-grid{display:flex;flex-wrap:wrap;gap:0}
.link-grid .link-item{width:20%;padding:6px 0}
.link-grid .link-item a{display:block;padding:4px 10px;color:#333;font-size:14px;border-radius:3px;transition:background .15s}
.link-grid .link-item a:hover{background:#f0f0f0;text-decoration:none}
.link-grid .link-item a .tag{display:inline-block;font-size:10px;padding:1px 5px;border-radius:2px;margin-left:5px;color:#fff;vertical-align:middle}
.tag-hot{background:#e74c3c}
.tag-new{background:#27ae60}
.tag-rec{background:#f39c12}
.tag-cheap{background:#3498db}

/* 三列布局 */
.three-col{display:flex;gap:15px}
.three-col .col{flex:1}
.two-col{display:flex;gap:15px}
.two-col .col{flex:1}

/* 价格表格 */
.price-table{width:100%;border-collapse:collapse;font-size:13px}
.price-table th{background:#f8f9fa;padding:8px 10px;text-align:left;font-weight:600;border-bottom:2px solid #eee;white-space:nowrap;cursor:pointer;user-select:none;position:relative}
.price-table th:hover{background:#ecf0f1}
.price-table th::after{content:'↕';font-size:10px;color:#999;margin-left:4px}
.price-table th.sort-asc::after{content:'↑';color:#e74c3c}
.price-table th.sort-desc::after{content:'↓';color:#e74c3c}
.price-table td{padding:8px 10px;border-bottom:1px solid #f0f0f0;white-space:nowrap}
.price-table tr:hover{background:#fafafa}
.price-table .price{color:#e74c3c;font-weight:bold}
.price-table .buy-btn{display:inline-block;background:#e74c3c;color:#fff;padding:3px 12px;border-radius:3px;font-size:12px}
.price-table .buy-btn:hover{background:#c0392b;color:#fff;text-decoration:none}

/* 卡片列表 */
.card-list .card-item{display:flex;align-items:center;padding:10px 0;border-bottom:1px solid #f5f5f5;gap:12px}
.card-list .card-item:last-child{border-bottom:none}
.card-icon{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;color:#fff}
.card-info{flex:1;min-width:0}
.card-info .name{font-size:14px;font-weight:600;color:#2c3e50}
.card-info .desc{font-size:12px;color:#999;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-price{font-size:16px;font-weight:bold;color:#e74c3c;white-space:nowrap}
.card-price small{font-size:11px;color:#999;font-weight:normal}

/* 侧边栏小块 */
.side-block{margin-bottom:15px;background:#fff;border-radius:4px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.side-block .side-title{background:#f8f9fa;padding:10px 15px;font-size:14px;font-weight:600;border-bottom:1px solid #eee;color:#2c3e50}
.side-block .side-body{padding:10px 15px}
.side-list li{padding:6px 0;border-bottom:1px dashed #f0f0f0;font-size:13px}
.side-list li:last-child{border-bottom:none}
.side-list li a{color:#555}
.side-list li a:hover{color:#e74c3c}
.side-list li .num{display:inline-block;width:18px;height:18px;background:#eee;color:#666;text-align:center;line-height:18px;border-radius:2px;font-size:11px;margin-right:5px}
.side-list li:nth-child(1) .num{background:#e74c3c;color:#fff}
.side-list li:nth-child(2) .num{background:#e67e22;color:#fff}
.side-list li:nth-child(3) .num{background:#f39c12;color:#fff}

/* 两栏布局 */
.main-wrap{display:flex;gap:15px}
.main-content{flex:1;min-width:0;overflow:hidden}
.sidebar{width:280px;flex-shrink:0}

/* 底部 */
.footer{background:#2c3e50;color:#95a5a6;text-align:center;padding:25px 20px;margin-top:20px;font-size:12px;line-height:2}
.footer a{color:#bdc3c7}
.footer a:hover{color:#fff}
.footer .links{margin-bottom:10px}
.footer .links a{margin:0 10px}

/* 标签导航 */
.tag-nav{display:flex;flex-wrap:wrap;gap:8px;padding:10px 0}
.tag-nav a{padding:4px 14px;background:#f5f5f5;border-radius:15px;font-size:13px;color:#666;transition:all .2s}
.tag-nav a:hover,.tag-nav a.active{background:#e74c3c;color:#fff;text-decoration:none}

/* 汉堡菜单按钮 */
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;padding:5px;color:#333}
body.dark .menu-toggle{color:#fff}

/* 移动端导航遮罩 */
.nav-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:99}
.nav-overlay.active{display:block}

/* 响应式 */
@media(max-width:768px){
  .header-inner{flex-direction:column;gap:10px}
  .search-box{width:100%}
  .menu-toggle{display:block}
  .nav{position:fixed;top:0;left:-280px;width:280px;height:100vh;background:#fff;z-index:200;transition:left .3s;overflow-y:auto}
  body.dark .nav{background:#16213e}
  .nav.mobile-open{left:0}
  .nav-inner{flex-direction:column;padding:20px}
  .nav a{padding:12px 20px;border-bottom:1px solid #eee;font-size:15px}
  body.dark .nav a{border-bottom-color:#333}
  .nav-close{display:block;position:absolute;top:15px;right:15px;background:none;border:none;font-size:20px;cursor:pointer;color:#333}
  body.dark .nav-close{color:#fff}
  .three-col,.two-col,.main-wrap{flex-direction:column}
  .sidebar{width:100%}
  .link-grid .link-item{width:33.33%}
  .price-table{font-size:12px}
  .price-table th,.price-table td{padding:6px}
  .quick-entry{gap:6px}
  .quick-entry a{min-width:80px;padding:8px 6px}
  .tool-row{flex-direction:column}
  .tool-tabs{gap:3px}
  .tool-tab{padding:6px 10px;font-size:12px}
}
@media(max-width:480px){
  .link-grid .link-item{width:50%}
  .logo{font-size:22px}
  .nav a{padding:8px 10px;font-size:12px}
  .tool-input-group{flex-direction:column}
  .tool-btn{width:100%}
}

/* 快速入口横排 */
.quick-entry{display:flex;flex-wrap:wrap;gap:10px;padding:10px 0}
.quick-entry a{flex:1;min-width:100px;text-align:center;padding:10px 8px;background:#f8f9fa;border-radius:4px;border:1px solid #eee;transition:all .2s}
.quick-entry a:hover{border-color:#e74c3c;background:#fff;text-decoration:none}
.quick-entry a .qicon{display:block;margin-bottom:4px;line-height:1}
.quick-entry a .qicon svg{display:block;margin:0 auto}
.quick-entry a .qtext{font-size:12px;color:#666}

/* 滚动公告 */
.notice-bar{background:#fff8e1;border:1px solid #ffe082;border-radius:4px;padding:8px 15px;margin-bottom:15px;display:flex;align-items:center;gap:10px;font-size:13px}
.notice-bar .label{background:#f39c12;color:#fff;padding:2px 8px;border-radius:2px;font-size:11px;white-space:nowrap}
.notice-bar .marquee{flex:1;overflow:hidden;white-space:nowrap}
.notice-bar .marquee span{display:inline-block;animation:marquee 30s linear infinite}
.notice-bar:hover .marquee span{animation-play-state:paused}
@keyframes marquee{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}
@media(prefers-reduced-motion:reduce){.notice-bar .marquee span{animation:none}}

/* 面包屑 */
.breadcrumb{padding:10px 0;font-size:12px;color:#999}
.breadcrumb a{color:#999}
.breadcrumb a:hover{color:#e74c3c}

/* 二级页标题 */
.page-title{font-size:22px;color:#2c3e50;padding:15px 0 10px;border-bottom:2px solid #e74c3c;margin-bottom:15px}
.page-desc{font-size:13px;color:#888;margin-bottom:15px;line-height:1.8}

/* 广告位样式 */
.ad-slot{background:#f8f9fa;border:1px dashed #ddd;border-radius:4px;display:flex;align-items:center;justify-content:center;overflow:hidden}
body.dark .ad-slot{background:#1a1a2e;border-color:#333}
.ad-slot-label{font-size:11px;color:#999;position:absolute}
body.dark .ad-slot-label{color:#666}

/* 广告位：导航下方横幅 (728x90) */
.ad-header{max-width:728px;margin:0 auto 15px;height:90px}

/* 广告位：内容中间 (响应式) */
.ad-incontent{width:100%;min-height:90px;margin:15px 0}

/* 广告位：侧边栏 (300x250) */
.ad-sidebar{width:100%;height:250px;margin-bottom:15px}

/* 广告位：底部横幅 (728x90) */
.ad-footer{max-width:728px;margin:15px auto 0;height:90px}

/* 广告位：移动端 (320x100) */
@media(max-width:768px){
  .ad-header{max-width:100%;height:60px}
  .ad-incontent{min-height:60px}
  .ad-sidebar{height:200px}
  .ad-footer{max-width:100%;height:60px}
}

/* 工具页修复 */
.tool-card{overflow:hidden}
.tool-input-group{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap;align-items:center}
.tool-input{flex:1;min-width:0;padding:10px 12px;border:2px solid #e0e0e0;border-radius:6px;font-size:14px;transition:border-color .2s}
.tool-input:focus{border-color:#e74c3c;outline:none}
textarea.tool-input{min-height:100px;resize:vertical;font-family:monospace}
.tool-row{display:flex;gap:15px;margin-bottom:10px}
.tool-row .tool-col{flex:1;min-width:0}
.tool-btn{padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.tool-btn-primary{background:#e74c3c;color:#fff}
.tool-btn-primary:hover{background:#c0392b}
.tool-btn-secondary{background:#3498db;color:#fff}
.tool-btn-secondary:hover{background:#2980b9}
.tool-btn-success{background:#27ae60;color:#fff}
.tool-btn-success:hover{background:#219a52}
.tool-result{background:#f8f9fa;border:1px solid #e0e0e0;border-radius:6px;padding:15px;margin-top:10px;font-family:monospace;font-size:13px;white-space:pre-wrap;word-break:break-all;max-height:400px;overflow-y:auto}
body.dark .tool-result{background:#1a1a2e;border-color:#333;color:#a0a0a0}
.tool-result.success{border-color:#27ae60;background:#f0fff4}
body.dark .tool-result.success{background:#0a1a0a;border-color:#27ae60}
.tool-result.error{border-color:#e74c3c;background:#fff5f5}
body.dark .tool-result.error{background:#1a0a0a;border-color:#e74c3c}
.tool-tabs{display:flex;gap:5px;margin-bottom:15px;border-bottom:2px solid #eee;padding-bottom:10px;flex-wrap:wrap}
body.dark .tool-tabs{border-bottom-color:#333}
.tool-tab{padding:8px 16px;border-radius:6px 6px 0 0;cursor:pointer;font-size:13px;color:#666;transition:all .2s}
body.dark .tool-tab{color:#a0a0a0}
.tool-tab.active{background:#e74c3c;color:#fff}
.tool-tab:hover:not(.active){background:#f0f0f0}
body.dark .tool-tab:hover:not(.active){background:#1a1a2e}
.tool-card h3 span{opacity:0.9}
.tool-stat{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;background:#f0f0f0;border-radius:4px;font-size:12px;margin:2px}
body.dark .tool-stat{background:#1a1a2e}
.tool-stat.good{color:#27ae60}
.tool-stat.warn{color:#f39c12}
.tool-stat.bad{color:#e74c3c}