/* ==========================================
   关于我们 / 免责申明 / 隐私政策 / 会员服务
   共用页面样式（about.html）
   ========================================== */

/* ---------- 主体 ---------- */
.about-main {
    padding: 8px 0 48px;
}

/* ---------- 顶部 Tab 导航 ---------- */
.about-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.about-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 22px;
    border-radius: 50px;
    border: 1.5px solid #EEF1F7;
    background: #fff;
    color: #6B7390;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s ease;
}

.about-tab:hover {
    color: #7B5CFF;
    border-color: rgba(123, 92, 255, 0.35);
    transform: translateY(-1px);
}

/* 点击按压效果 */
.about-tab:active {
    transform: scale(0.96);
}

/* 当前选中 Tab：渐变填充 */
.about-tab.active {
    background: linear-gradient(135deg, #4F8BFF 0%, #7B5CFF 50%, #C63CFF 100%);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(123, 92, 255, 0.32);
}

.about-tab.active:hover { color: #fff; }

.about-tab.active .about-tab-icon { color: #fff; }

.about-tab-icon {
    display: flex;
    color: #A0A6BC;
    transition: color 0.25s ease;
}

.about-tab:hover .about-tab-icon { color: #7B5CFF; }

/* ---------- 内容面板 ---------- */
.about-panel {
    background: #fff;
    border: 1px solid #EEF1F7;
    border-radius: 14px;
    padding: 32px 36px;
    box-shadow: 0 4px 24px rgba(79, 139, 255, 0.06), 0 1px 3px rgba(0, 0, 0, 0.03);
}

/* 区块标题：左侧渐变竖条 */
.about-block-title {
    position: relative;
    font-size: 18px;
    font-weight: 700;
    color: #1A1F36;
    padding-left: 12px;
    margin: 0 0 16px;
}

.about-block-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 17px;
    border-radius: 2px;
    background: linear-gradient(135deg, #4F8BFF, #C63CFF);
}

.about-block-body p {
    font-size: 14px;
    line-height: 1.9;
    color: #454B66;
    margin: 0 0 12px;
}

.about-block-body p:last-child { margin-bottom: 0; }

/* 渐变分隔线 */
.about-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #E4E8F0, transparent);
    margin: 26px 0;
}

/* ---------- 特色卡片网格 ---------- */
.about-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.about-feature {
    background: #F5F7FF;
    border-radius: 12px;
    padding: 20px 16px;
    transition: all 0.25s ease;
}

.about-feature:hover {
    background: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(79, 139, 255, 0.12);
}

.about-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    margin-bottom: 12px;
}

.about-feature-title {
    font-size: 15px;
    font-weight: 700;
    color: #1A1F36;
    margin: 0 0 6px;
}

.about-feature-text {
    font-size: 12.5px;
    line-height: 1.7;
    color: #6B7390;
    margin: 0;
}

/* ---------- 联系我们列表 ---------- */
.about-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-contact-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    background: #F5F7FF;
    margin-bottom: 10px;
}

.about-contact-list li:last-child { margin-bottom: 0; }

.about-contact-label {
    flex-shrink: 0;
    width: 76px;
    font-size: 13px;
    font-weight: 600;
    color: #7B5CFF;
}

.about-contact-value {
    font-size: 13.5px;
    color: #454B66;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .about-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .about-panel { padding: 24px 22px; }
}

@media (max-width: 768px) {
    .about-feature-grid { grid-template-columns: 1fr; }
    .about-tabs { gap: 8px; }
    .about-tab { padding: 9px 16px; font-size: 13px; }
    .about-panel { padding: 18px 16px; }
    .about-contact-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}