/* 全局样式 - 微信定时消息机器人 SaaS */
*{margin:0;padding:0;box-sizing:border-box}
:root{
    --primary:#4a90d9;
    --primary-dark:#357abd;
    --success:#52c41a;
    --warning:#faad14;
    --danger:#f5222d;
    --info:#1890ff;
    --bg:#f5f7fa;
    --text:#333;
    --text-light:#666;
    --border:#e8e8e8;
    --radius:10px;
    --shadow:0 2px 12px rgba(0,0,0,.08);
}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* 导航栏 */
.navbar{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;height:60px}
.nav-logo{font-size:18px;font-weight:bold;color:var(--text);text-decoration:none!important;margin-right:30px}
.nav-links{display:flex;gap:4px;flex:1}
.nav-link{padding:8px 14px;color:var(--text-light);text-decoration:none!important;border-radius:6px;transition:.2s;font-size:14px}
.nav-link:hover{background:#f0f0f0;color:var(--primary)}
.nav-user{display:flex;align-items:center;gap:10px}
.user-balance{font-size:13px;color:var(--success);font-weight:600}
.btn-logout{color:var(--danger)!important;font-size:13px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer}

/* 容器 */
.container{max-width:1200px;margin:0 auto;padding:20px}
.page-title{font-size:24px;margin-bottom:20px;color:var(--text)}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px}
.page-header .page-title{margin-bottom:0}
.text-center{text-align:center}
.text-muted{color:var(--text-light);font-size:14px}

/* Hero区域 */
.hero{background:linear-gradient(135deg,#4a90d9,#357abd);color:#fff;padding:60px 20px;text-align:center}
.hero-title{font-size:36px;margin-bottom:12px}
.hero-subtitle{font-size:18px;opacity:.9;margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* 按钮 */
.btn{display:inline-block;padding:10px 20px;border-radius:8px;border:none;cursor:pointer;font-size:14px;font-weight:500;text-decoration:none!important;transition:all .2s;text-align:center}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.btn-primary{background:var(--primary);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-info{background:var(--info);color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:var(--primary)}
.btn-block{display:block;width:100%}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-primary-sm{background:var(--primary);color:#fff!important;padding:6px 14px;border-radius:6px;font-size:13px}

/* 卡片 */
.card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}

/* 表单 */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;color:var(--text);font-size:14px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:.2s;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,144,217,.1)}
.form-group small{color:var(--text-light);font-size:12px;margin-top:4px;display:block}

/* 表格 */
.table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid #f0f0f0;font-size:14px}
.table th{background:#fafafa;font-weight:600;color:var(--text-light);font-size:13px}
.table tr:hover{background:#f9f9f9}

/* Badge */
.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}
.badge-success{background:#f0fff4;color:#52c41a}
.badge-warning{background:#fffbe6;color:#faad14}
.badge-error{background:#fff1f0;color:#f5222d}
.badge-hot{background:#ff4d4f;color:#fff;padding:4px 10px;border-radius:12px;font-size:12px;position:absolute;top:10px;right:10px}

/* Alert */
.alert{padding:14px 20px;border-radius:8px;margin:16px 20px;font-size:14px}
.alert-info{background:#e6f7ff;border:1px solid #91d5ff;color:#0050b3}
.alert-success{background:#f6ffed;border:1px solid #b7eb8f;color:#389e0d}
.alert-error{background:#fff1f0;border:1px solid #ffa39e;color:#a8071a}
.alert-warning{background:#fffbe6;border:1px solid #ffe58f;color:#ad6800}

/* Dashboard统计卡片 */
.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow);transition:.2s}
.stat-card:hover{transform:translateY(-2px)}
.stat-icon{font-size:32px}
.stat-label{color:var(--text-light);font-size:13px}
.stat-value{font-size:22px;font-weight:bold;color:var(--text)}
.vip-active{border-left:4px solid var(--success)}
.vip-expired{border-left:4px solid var(--danger)}

/* 快捷操作 */
.quick-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}

/* 套餐卡片 */
.package-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px}
.package-card{background:#fff;border-radius:var(--radius);padding:30px 20px;text-align:center;box-shadow:var(--shadow);position:relative;transition:.3s;border:2px solid transparent}
.package-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.package-card[style*="1"]{border-color:var(--primary)}
.package-name{font-size:20px;margin-bottom:10px}
.package-price{margin:16px 0}
.price-symbol{font-size:18px;color:var(--primary)}
.price-value{font-size:42px;font-weight:bold;color:var(--primary)}
.package-duration{color:var(--text-light);font-size:14px;margin-bottom:16px}
.package-features{list-style:none;text-align:left;margin-bottom:20px}
.package-features li{padding:6px 0;font-size:14px;color:var(--text-light)}

/* 任务卡片 */
.task-list{display:grid;gap:16px}
.task-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border-left:4px solid var(--success)}
.task-card.task-inactive{border-left-color:#ccc;opacity:.7}
.task-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.task-name{font-size:16px}
.task-info{margin-bottom:12px}
.task-info p{font-size:14px;color:var(--text-light);margin-bottom:4px}
.msg-preview{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.task-actions{display:flex;gap:8px;flex-wrap:wrap}

/* 功能特性区域 */
.features-section{padding:40px 0}
.section-title{text-align:center;font-size:28px;margin-bottom:30px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.feature-card{background:#fff;border-radius:var(--radius);padding:30px 20px;text-align:center;box-shadow:var(--shadow)}
.feature-icon{font-size:40px;margin-bottom:12px}
.feature-card h3{margin-bottom:8px}
.feature-card p{color:var(--text-light);font-size:14px}

/* 步骤 */
.how-it-works{padding:40px 0}
.steps{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.step{text-align:center;flex:1;min-width:150px;max-width:200px}
.step-number{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:18px;font-weight:bold}
.step h3{margin-bottom:6px;font-size:16px}
.step p{color:var(--text-light);font-size:14px}

/* CTA区域 */
.cta-section{text-align:center;padding:50px 20px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:var(--radius);color:#fff;margin:30px 0}
.cta-section h2{margin-bottom:10px}
.cta-section p{margin-bottom:20px;opacity:.9}

/* 认证页面 */
.auth-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 60px);padding:20px}
.auth-card{background:#fff;border-radius:var(--radius);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow)}
.auth-card h2{text-align:center;margin-bottom:24px}
.auth-link{text-align:center;margin-top:16px;color:var(--text-light);font-size:14px}
.auth-links{display:flex;justify-content:space-between;margin-top:16px;font-size:14px}

/* 空状态 */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}
.empty-state p{font-size:18px;margin-bottom:16px}

/* 页脚 */
.footer{text-align:center;padding:20px;color:var(--text-light);font-size:13px;margin-top:40px;border-top:1px solid var(--border)}

/* 响应式 */
@media(max-width:768px){
    .nav-links{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:10px;box-shadow:0 4px 12px rgba(0,0,0,.1)}
    .nav-links.show{display:flex}
    .nav-toggle{display:block}
    .hero-title{font-size:24px}
    .hero-subtitle{font-size:15px}
    .package-grid{grid-template-columns:1fr}
    .features-grid{grid-template-columns:1fr 1fr}
    .steps{flex-direction:column;align-items:center}
    .dashboard-cards{grid-template-columns:1fr 1fr}
    .stat-value{font-size:18px}
    .auth-card{padding:24px}
    .container{padding:16px}
    .table th,.table td{padding:8px 10px;font-size:12px}
}
@media(max-width:480px){
    .features-grid{grid-template-columns:1fr}
    .dashboard-cards{grid-template-columns:1fr}
}