/* ==================== About Us 页面专属样式 ==================== */

/* Banner文字叠加 */
.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 90%;
}

.banner-text h1 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 10px;
}

.banner-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    letter-spacing: 1px;
}

/* ==================== 公司简介 ==================== */
.about-intro {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 5%;
}

.about-intro h2 {
    color: #c084fc;
    font-size: 2rem;
    margin-bottom: 24px;
    text-align: center;
}

.about-intro > p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 50px;
}

/* 三个数据统计 */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #c084fc, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ==================== 视频区 ==================== */
.about-video {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5% 60px;
}

.about-video .video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.about-video .video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ==================== 发展历程时间线（横轴） ==================== */
.timeline-section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline-section h2 {
    text-align: center;
    color: #c084fc;
    font-size: 2rem;
    margin-bottom: 40px;
}

/* 外层容器：按钮 + 滑动区 */
.timeline-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* 左右按钮 */
.timeline-btn {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(168, 85, 247, 0.3);
    background: rgba(30, 20, 60, 0.6);
    color: #c084fc;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-btn:hover {
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    color: #fff;
    border-color: #a855f7;
}

/* 滑动窗口 */
.timeline-track {
    flex: 1;
    overflow: hidden;
}

.timeline-slider {
    display: flex;
    gap: 28px;
    transition: transform 0.5s ease;
}

/* 单张卡片 */
.timeline-card {
    flex-shrink: 0;
    width: calc((100% - 56px) / 3);
    background: rgba(30, 20, 60, 0.6);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 12px;
    padding: 28px 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.timeline-card:hover {
    transform: translateY(-6px);
    border-color: rgba(168, 85, 247, 0.4);
}

.timeline-card .timeline-year {
    display: inline-block;
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.timeline-card h3 {
    color: #c084fc;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.timeline-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* 底部横轴 */
.timeline-axis {
    position: relative;
    margin-top: 36px;
    padding: 0 62px;
}

.timeline-line {
    position: absolute;
    top: 10px;
    left: 62px;
    right: 62px;
    height: 2px;
    background: linear-gradient(to right, transparent, #a855f7, #7c3aed, transparent);
}

.timeline-dots {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.timeline-dots .dot {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 0;
    position: relative;
    transition: color 0.3s ease;
}

.timeline-dots .dot::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.3);
    margin: 0 auto 6px;
    transition: all 0.3s ease;
}

.timeline-dots .dot.active {
    color: #c084fc;
}

.timeline-dots .dot.active::before {
    background: #a855f7;
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.5);
}

.timeline-dots .dot:hover {
    color: #c084fc;
}

/* ==================== 创始人介绍 ==================== */
.founder-section {
    display: flex;
    gap: 50px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 5%;
}

.founder-image {
    flex: 0 0 360px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.founder-content {
    flex: 1;
}

.founder-content h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 6px;
}

.founder-title {
    color: #c084fc;
    font-size: 1rem;
    margin-bottom: 24px;
}

.founder-achievements {
    list-style: none;
    padding: 0;
}

.founder-achievements li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    border-bottom: 1px solid rgba(168, 85, 247, 0.08);
}

.founder-achievements li::before {
    content: '▸';
    color: #a855f7;
    position: absolute;
    left: 0;
    font-size: 1rem;
}

/* ==================== 全球业务地图 ==================== */
.map-section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.map-section h2 {
    text-align: center;
    color: #c084fc;
    font-size: 2rem;
    margin-bottom: 40px;
}

.map-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(168, 85, 247, 0.15);
}

.map-bg {
    width: 100%;
    display: block;
}

/* 脉冲光点 */
.map-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #a855f7;
    box-shadow: 0 0 6px #a855f7, 0 0 12px rgba(168, 85, 247, 0.4);
    animation: dotPulse 2s ease-in-out infinite;
}

.map-dot.delay1 {
    animation-delay: 0.7s;
}

.map-dot.delay2 {
    animation-delay: 1.4s;
}

@keyframes dotPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
        box-shadow: 0 0 6px #a855f7, 0 0 12px rgba(168, 85, 247, 0.4);
    }
    50% {
        transform: scale(1.8);
        opacity: 1;
        box-shadow: 0 0 12px #c084fc, 0 0 24px rgba(168, 85, 247, 0.6);
    }
}

/* 扫描光线 */
.map-scan {
    position: absolute;
    top: 0;
    left: -30%;
    width: 30%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(168, 85, 247, 0.03) 30%,
        rgba(168, 85, 247, 0.08) 50%,
        rgba(168, 85, 247, 0.03) 70%,
        transparent 100%
    );
    animation: mapScan 6s ease-in-out infinite;
}

@keyframes mapScan {
    0% {
        left: -30%;
    }
    100% {
        left: 100%;
    }
}

/* ==================== 荣誉资质轮播 ==================== */
.awards-section {
    padding: 60px 5%;
    overflow: hidden;
}

.awards-section h2 {
    text-align: center;
    color: #c084fc;
    font-size: 2rem;
    margin-bottom: 40px;
}

.awards-track {
    overflow: hidden;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.awards-slider {
    display: flex;
    gap: 24px;
    animation: scrollAwards 20s linear infinite;
    width: max-content;
}

.awards-slider img {
    flex-shrink: 0;
    height: 140px;
    width: auto;
    border-radius: 10px;
    border: 1px solid rgba(168, 85, 247, 0.15);
    background: rgba(30, 20, 60, 0.4);
    padding: 10px;
    object-fit: contain;
}

.award-item .media-placeholder {
    height: 100%;
    margin: 0;
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-item .media-placeholder p {
    color: rgba(168, 85, 247, 0.5);
    font-size: 0.85rem;
}

@keyframes scrollAwards {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.awards-track:hover .awards-slider {
    animation-play-state: paused;
}

/* ==================== 响应式 ==================== */
@media screen and (max-width: 768px) {
    .banner-text h1 {
        font-size: 2rem;
    }

    .banner-text p {
        font-size: 1rem;
    }

    .stats-row {
        flex-direction: column;
        gap: 30px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    /* 时间线横轴响应式 */
    .timeline-card {
        width: calc((100% - 28px) / 2);
    }

    .timeline-axis {
        padding: 0 46px;
    }

    .timeline-dots .dot {
        font-size: 0.7rem;
    }

    /* 创始人竖排 */
    .founder-section {
        flex-direction: column;
    }

    .founder-image {
        flex: none;
        width: 100%;
        max-width: 360px;
    }
}

@media screen and (max-width: 480px) {
    .about-intro h2,
    .timeline-section h2,
    .awards-section h2 {
        font-size: 1.5rem;
    }

    .timeline-card {
        width: 100%;
    }

    .timeline-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}