/* 关于我们页样式 */

/* ===== 平台介绍 ===== */
.about-text {
    font-size: 14px;
    color: #666666;
    line-height: 1.9;
    margin-bottom: 24px;
}
.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.about-list li {
    margin-bottom: 12px;
    font-size: 14px;
    color: #555555;
}
.about-list li i {
    color: var(--宅宅蓝);
    margin-right: 8px;
}
.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.about-stat {
    flex: 1 1 calc(50% - 7px);
    background-color: var(--浅灰);
    border: 1px solid #DDDDDD;
    border-radius: 8px;
    padding: 26px 10px;
    text-align: center;
}
.about-stat .num {
    font-size: 26px;
    font-weight: bold;
    color: var(--宅宅蓝);
}
.about-stat .label {
    font-size: 13px;
    color: #666666;
    margin-top: 4px;
}

/* ===== APP介绍模块 ===== */
.app-section {
    background: linear-gradient(135deg, var(--深灰) 0%, #34495E 100%);
    padding: 65px 0;
    color: var(--白色);
}
.app-head {
    text-align: center;
    margin-bottom: 42px;
}
.app-head h2 {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 12px;
}
.app-head h2 span {
    color: var(--浅蓝);
}
.app-head p {
    font-size: 14px;
    opacity: 0.85;
    margin: 0;
}
.app-feature {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background-color: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 18px 20px;
    height: 100%;
}
.app-feature i {
    font-size: 22px;
    color: var(--浅蓝);
    margin-top: 3px;
}
.app-feature .f-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
}
.app-feature .f-desc {
    font-size: 12.5px;
    opacity: 0.75;
    line-height: 1.7;
}
.app-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-top: 26px;
}
.app-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 26px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--白色);
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
}
.app-btn i {
    font-size: 20px;
}
.app-btn:hover {
    background-color: var(--宅宅蓝);
    border-color: var(--宅宅蓝);
    color: var(--白色);
}
.app-btn.primary {
    background: linear-gradient(135deg, var(--宅宅蓝) 0%, var(--浅蓝) 100%);
    border: none;
}
.app-btn.primary:hover {
    background: linear-gradient(135deg, var(--宅宅蓝) 0%, var(--浅蓝) 100%);
    filter: brightness(1.08);
}
.qr-box {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    background-color: var(--白色);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--深灰);
    font-size: 118px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.qr-text {
    margin-top: 12px;
    font-size: 13px;
    opacity: 0.85;
}

@media (max-width: 768px) {
    .app-section {padding: 50px 0;}
    .app-head h2 {font-size: 25px;}
    .qr-box {width: 120px; height: 120px; font-size: 96px;}
    .about-stat .num {font-size: 22px;}
}