/* =========================================
   CN2G 反向集运系统 - 全局样式表
   设计风格：现代化/响应式/类顺丰菜鸟UI
   作者：开发团队
   ========================================= */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --warning: #ca8a04;
    --danger: #dc2626;
    --info: #0891b2;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 布局基础 */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section { padding: 40px 0; }
.bg-light { background-color: var(--bg-light); }
.hidden { display: none !important; }
.mt-2 { margin-top: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* 导航栏 */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-dark { background: #0f172a; border-color: #1e293b; }
.navbar-dark .logo, .navbar-dark .user-greeting { color: #fff; }
.navbar-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-white);
    cursor: pointer;
}

/* 首屏横幅 */
.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 60px 0;
    text-align: center;
}
.hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.hero p { color: var(--text-muted); margin-bottom: 24px; font-size: 1.1rem; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* 流程卡片 */
.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}
.step-card {
    flex: 1;
    min-width: 200px;
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}
.step-num {
    width: 32px; height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 12px;
    font-weight: bold;
}
.step-arrow { font-size: 2rem; color: var(--text-muted); display: none; }
@media (min-width: 768px) { .step-arrow { display: block; } }

/* 卡片与表单 */
.card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
.form-control, .form-inline input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border 0.2s;
}
.form-control:focus, .form-inline input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-inline { display: flex; gap: 10px; flex-wrap: wrap; }
.form-inline input, .form-inline button { flex: 1; min-width: 120px; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s;
    font-size: 14px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: #eff6ff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* 表格 */
.table-responsive { overflow-x: auto; margin-top: 12px; }
.data-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.data-table th, .data-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { background: #f1f5f9; font-weight: 600; }
.data-table tr:hover { background: #f8fafc; }

/* 标签页 */
.dash-tabs { display: flex; gap: 8px; margin-bottom: 16px; border-bottom: 2px solid var(--border); }
.tab-btn {
    padding: 10px 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; animation: fadeIn 0.3s; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* 状态徽章 */
.badge {
    display: inline-block; padding: 4px 8px; border-radius: 4px;
    font-size: 12px; font-weight: 600; text-transform: capitalize;
}
.badge-pending { background: #fef3c7; color: #b45309; }
.badge-stored { background: #dbeafe; color: #1d4ed8; }
.badge-ordered { background: #e0e7ff; color: #4338ca; }
.badge-shipped { background: #dcfce7; color: #15803d; }

/* 统计网格 */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--bg-white); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; }
.stat-card h4 { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
.stat-num { font-size: 24px; font-weight: 700; color: var(--text-main); }
.stat-card.warning { border-top: 3px solid var(--warning); }
.stat-card.info { border-top: 3px solid var(--info); }
.stat-card.primary { border-top: 3px solid var(--primary); }
.stat-card.success { border-top: 3px solid var(--success); }

/* 余额与充值 */
.balance-amount { font-size: 28px; font-weight: 700; color: var(--success); margin: 12px 0; }
.input-group { display: flex; gap: 8px; }
.input-group input { flex: 1; }
.pkg-checkboxes, .service-checks { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0; }
.chk-item, .service-checks label {
    display: flex; align-items: center; gap: 6px; padding: 6px 10px;
    border: 1px solid var(--border); border-radius: 6px; cursor: pointer;
}
.chk-item:hover { background: #f8fafc; }

/* 地址与运费结果 */
.address-card { background: var(--bg-white); padding: 20px; border-radius: var(--radius); border-left: 4px solid var(--primary); }
.address-item { margin-bottom: 10px; }
.calc-box { max-width: 500px; margin: 0 auto; }
.calc-result { background: #f0fdf4; border: 1px solid #bbf7d0; padding: 16px; border-radius: var(--radius); margin-top: 16px; }
.result-row { display: flex; justify-content: space-between; margin-bottom: 8px; }

/* 页脚 */
.footer { background: #0f172a; color: #94a3b8; padding: 30px 0; text-align: center; margin-top: auto; }
.footer-links a { color: #cbd5e1; text-decoration: none; margin: 0 8px; }
.footer-links a:hover { color: #fff; }

/* Toast 提示 */
#toast-container { position: fixed; top: 20px; right: 20px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 12px 16px; border-radius: var(--radius); color: #fff; font-size: 14px;
    box-shadow: var(--shadow); animation: slideIn 0.3s; min-width: 250px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 响应式适配 */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.6rem; }
    .process-steps { flex-direction: column; }
    .step-arrow { display: none; }
    .form-inline { flex-direction: column; }
    .form-inline input, .form-inline button { width: 100%; }
    .input-group { flex-direction: column; }
    .dash-tabs { overflow-x: auto; white-space: nowrap; }
}
```

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