*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#f0f2f5;color:#1e293b;}
.main-wrapper{max-width:1400px;margin:0 auto;padding:0 28px;}

/* ========== 头部样式 ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #e2e8f0;
    border-radius: 0 0 20px 20px;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
    padding: 0 20px;
    border-radius: 16px;
}
.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,#2d3e50,#4a5b6e);-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none;}
.nav-menu{display:flex;list-style:none;gap:28px;}
.nav-menu a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    padding: 6px 12px;
    border-radius: 30px;
    transition: all 0.2s;
}
.nav-menu a:hover {
    color: #3b82f6;
    background: #f0f5ff;
}
.header-right{display:flex;align-items:center;gap:12px;}
.login-btn{padding:5px 14px;border-radius:4px;font-size:13px;background:#f1f5f9;color:#334155;text-decoration:none;display:inline-block;cursor:pointer;}
.login-btn.primary{background:#3b82f6;color:white;}
.user-name{font-size:13px;color:#3b82f6;}

/* ========== 侧边栏公共样式 ========== */
.stats-sidebar{background:white;border-radius:8px;padding:16px;margin-bottom:20px;border:1px solid #e2e8f0;}
.stats-sidebar-title{font-size:14px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #eef2f6;color:#1e293b;}
.stats-sidebar-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #f0f2f5;}
.stats-sidebar-item:last-child{border-bottom:none;}
.stats-sidebar-label{font-size:12px;color:#64748b;display:flex;align-items:center;gap:6px;}
.stats-sidebar-number{font-size:18px;font-weight:700;color:#3b82f6;}

.sidebar-card{background:white;border-radius:8px;padding:14px;margin-bottom:20px;border:1px solid #e2e8f0;}
.sidebar-title{font-size:14px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #eef2f6;display:flex;align-items:center;gap:6px;}

/* ========== 卡片公共样式 ========== */
.card{background:white;border-radius:8px;padding:16px 20px;margin-bottom:20px;border:1px solid #e2e8f0;}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #eef2f6;}
.card-header h3{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px;}

/* ========== 日历样式 ========== */
.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.calendar-week{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;gap:6px;margin:10px 0 8px;font-size:11px;color:#64748b;}
.calendar-days{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center;}
.calendar-day-cell{padding:4px;border-radius:4px;font-size:11px;}
.calendar-day-cell.today{background:#3b82f6;color:white;}

/* ========== 热搜榜样式 ========== */
.hot-list div{padding:8px 0;border-bottom:1px solid #f0f2f5;font-size:12px;cursor:pointer;}
.hot-list div:hover{color:#3b82f6;}
.refresh-hot{float:right;cursor:pointer;font-size:11px;color:#3b82f6;}

/* ========== 模态框样式 ========== */
.modal-mask{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1000;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;transition:all 0.2s;}
.modal-mask.active{visibility:visible;opacity:1;}
.modal-container{background:white;border-radius:12px;width:90%;max-width:420px;}
.modal-header{padding:16px 20px;border-bottom:1px solid #eef2f6;display:flex;justify-content:space-between;align-items:center;}
.modal-header h3{font-size:18px;font-weight:600;}
.modal-close{cursor:pointer;font-size:20px;color:#94a3b8;}
.modal-body{padding:20px;}
.modal-body input{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;margin-bottom:16px;}
.modal-body button{width:100%;padding:10px;background:#3b82f6;color:white;border:none;border-radius:8px;font-weight:500;cursor:pointer;}
.modal-body button:hover{background:#2563eb;}
.modal-tab{display:flex;gap:20px;margin-bottom:20px;border-bottom:1px solid #eef2f6;padding-bottom:10px;}
.modal-tab span{cursor:pointer;font-size:14px;color:#64748b;}
.modal-tab span.active{color:#3b82f6;font-weight:500;border-bottom:2px solid #3b82f6;padding-bottom:8px;}

/* ========== Toast提示 ========== */
.toast-msg{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#1e293b;color:white;padding:8px 20px;border-radius:40px;z-index:1100;opacity:0;transition:opacity 0.2s;pointer-events:none;}

/* ========== 分页 ========== */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:16px;padding-top:12px;border-top:1px solid #eef2f6;}
.page-btn{padding:4px 10px;border:1px solid #e2e8f0;border-radius:4px;background:white;cursor:pointer;font-size:12px;}
.page-btn.active{background:#3b82f6;color:white;border-color:#3b82f6;}
.page-btn:hover:not(.active){background:#f1f5f9;}

/* ========== 加载更多按钮 ========== */
.load-more-btn{display:block;text-align:center;padding:8px;margin-top:10px;background:#f8fafc;border-radius:6px;font-size:12px;color:#3b82f6;cursor:pointer;text-decoration:none;}
.load-more-btn:hover{background:#eef2ff;}

/* ========== 底部 ========== */
.footer{text-align:center;padding:20px 0;font-size:11px;color:#6c757d;border-top:1px solid #e2e8f0;margin-top:20px;}

/* ========== 两栏布局 ========== */
.two-columns{display:flex;gap:28px;margin-top:20px;}
.main-content{flex:1;min-width:0;}
.sidebar{width:280px;flex-shrink:0;position:sticky;top:78px;}

/* ========== 响应式 - 通用 ========== */
@media (max-width: 768px) {
    .main-wrapper { padding: 0 12px; }
    
    .header-inner { padding: 0 12px; height: 52px; }
    .logo-text { font-size: 1.1rem; }
    .nav-menu { display: none; }
    .login-btn { padding: 4px 10px; font-size: 12px; }
    
    .two-columns { flex-direction: column; gap: 16px; margin-top: 12px; }
    .sidebar { width: 100%; position: static; }
    
    .card { padding: 12px; margin-bottom: 12px; border-radius: 12px; }
    .card-header h3 { font-size: 14px; }
    
    .sidebar-card, .stats-sidebar { padding: 12px; margin-bottom: 12px; border-radius: 12px; }
    .stats-sidebar-number { font-size: 16px; }
    
    .hot-list div { padding: 8px 0; font-size: 12px; }
    
    .modal-container { width: 94%; }
    .modal-body input { font-size: 13px; padding: 10px; }
}

@media (max-width: 480px) {
    .main-wrapper { padding: 0 10px; }
}