/* About相关页面公用样式 */
/* Header导航 */
.logo-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}
.about-header-nav {
    display: flex;
    gap: 28px;
    flex-shrink: 0;
}
.about-header-nav a {
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    opacity: 0.9;
    transition: opacity 0.2s;
    white-space: nowrap;
}
.about-header-nav a i {
    margin-right: 5px;
    font-size: 13px;
}
.about-header-nav a:hover {
    opacity: 1;
    text-decoration: underline;
}
/* 汉堡按钮：PC端隐藏，仅移动端显示 */
.about-nav-toggle {
    display: none;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    padding: 0;
    flex: 0 0 auto;
}
@media (max-width: 768px) {
    .logo-header .container {
        flex-direction: row;
        gap: 10px;
    }
    .about-nav-toggle {
        display: flex;
    }
    /* 下拉面板：居右、非全屏、宽度随内容、最小宽度、左右留空 */
    .about-header-nav {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        right: 12px;
        flex-direction: column;
        gap: 2px;
        min-width: 118px;
        background: #1e3a8a;
        border: 1px solid rgba(255,255,255,0.12);
        border-radius: 10px;
        padding: 6px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.28);
        z-index: 1000;
    }
    .about-header-nav.open {
        display: flex;
    }
    .about-header-nav a {
        font-size: 14px;
        padding: 9px 12px;
        border-radius: 6px;
        opacity: 1;
    }
    .about-header-nav a:hover,
    .about-header-nav a:active {
        background: rgba(255,255,255,0.12);
        text-decoration: none;
    }
}

/* 中等屏幕紧凑适配，避免长logo标题与带图标导航挤压重叠 */
@media (min-width: 769px) and (max-width: 1024px) {
    .logo-header .logo-text { font-size: 19px; letter-spacing: 0; }
    .logo-header .logo-wrap { gap: 8px; }
    .logo-header .logo-wrap i { font-size: 30px; }
    .about-header-nav { gap: 12px; }
    .about-header-nav a { font-size: 13px; }
    .about-header-nav a i { font-size: 11px; margin-right: 3px; }
}
@media (min-width: 1025px) and (max-width: 1200px) {
    .logo-header .logo-text { font-size: 22px; letter-spacing: 0; }
    .about-header-nav { gap: 18px; }
    .about-header-nav a { font-size: 14px; }
    .about-header-nav a i { font-size: 12px; margin-right: 4px; }
}

/* 上门服务页面样式 */
.service-timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}
.timeline-card {
    flex: 1;
    min-width: 200px;
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    text-align: center;
    border-top: 3px solid #2563eb;
}
.timeline-card .icon {
    font-size: 36px;
    color: #2563eb;
    margin-bottom: 12px;
}
.timeline-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #1f2937;
}
.timeline-card p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
}
.area-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 30px 0;
}
.area-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}
.area-card:hover {
    transform: translateY(-3px);
}
.area-card i {
    font-size: 28px;
    color: #2563eb;
    margin-bottom: 10px;
}
.area-card h4 {
    font-size: 16px;
    margin-bottom: 6px;
}
.area-card p {
    font-size: 13px;
    color: #6b7280;
}
.service-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 30px 0;
}
.compare-col {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.compare-col.can {
    border-left: 4px solid #10b981;
}
.compare-col.cannot {
    border-left: 4px solid #ef4444;
}
.compare-col h4 {
    font-size: 18px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.compare-col.can h4 {
    color: #10b981;
}
.compare-col.cannot h4 {
    color: #ef4444;
}
.compare-col ul {
    list-style: none;
    padding: 0;
}
.compare-col li {
    padding: 10px 0;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
    color: #374151;
    line-height: 1.6;
}
.compare-col li:last-child {
    border-bottom: none;
}
.compare-col li i {
    margin-right: 8px;
}
.fee-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.fee-table th {
    background: #2563eb;
    color: #fff;
    padding: 14px 16px;
    text-align: left;
    font-size: 15px;
}
.fee-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
    color: #374151;
}
.fee-table tr:last-child td {
    border-bottom: none;
}
.fee-table tr:hover {
    background: #f9fafb;
}
.store-advantage {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 16px;
    padding: 35px;
    margin: 30px 0;
}
.store-advantage h3 {
    font-size: 22px;
    color: #1e40af;
    margin-bottom: 20px;
    text-align: center;
}
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.advantage-item {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}
.advantage-item i {
    font-size: 32px;
    color: #2563eb;
    margin-bottom: 10px;
}
.advantage-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: #1f2937;
}
.advantage-item p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
}
.notice-box {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 20px 25px;
    border-radius: 8px;
    margin: 25px 0;
}
.notice-box h4 {
    color: #92400e;
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.notice-box p {
    color: #78350f;
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}
@media (max-width: 768px) {
    .service-compare {
        grid-template-columns: 1fr;
    }
    .store-advantage {
        padding: 25px 18px;
    }
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fee-table {
        font-size: 13px;
    }
    .fee-table th, .fee-table td {
        padding: 10px 8px;
    }
}