/* 关于我们、集团业务、发展历程、合作客户页面样式 */

/* 关于我们页面标题特定样式 */
.page-header-about {
    /* 继承 .page-header 基础样式 */
}

/* ===== 统一分段标题 ===== */
.section-title {
    font-size: var(--font-size-h2);
    color: var(--color-dark);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    font-weight: var(--font-weight-bold);
}

/* ===== 公司简介区 ===== */
.intro-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-white);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.intro-text h2 {
    font-size: var(--font-size-h2);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.intro-text p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.intro-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.15);
    object-fit: cover;
    transition: all var(--transition-base);
    animation: imageSlideIn 0.8s ease-out;
}

.company-image:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0, 102, 204, 0.25);
}

@keyframes imageSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 使命与愿景 ===== */
.mission-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.mission-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Icon作为背景 */
.mission-card::before {
    font-size: 150px;
    opacity: 0.05;
    position: absolute;
    right: -20px;
    bottom: -30px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.mission-card:nth-child(1)::before { content: '🎯'; }
.mission-card:nth-child(2)::before { content: '🌍'; }
.mission-card:nth-child(3)::before { content: '💡'; }

.mission-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.mission-card:hover::before {
    opacity: 0.1;
}

.mission-icon {
    display: none;
}

.mission-card h3 {
    font-size: 28px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.mission-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== 优势项目网格 ===== */
.advantages-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: linear-gradient(180deg, var(--color-white) 0%, #f8fbff 100%);
}

.advantages-grid-2col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-3xl);
}

.advantage-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(230, 242, 255, 0.5) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.08);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-top: 4px solid var(--color-primary);
}

.advantage-item::before {
    font-size: 180px;
    opacity: 0.05;
    position: absolute;
    right: -25px;
    bottom: -40px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.advantage-item:nth-child(1)::before { content: '📊'; }
.advantage-item:nth-child(2)::before { content: '👥'; }
.advantage-item:nth-child(3)::before { content: '🌐'; }
.advantage-item:nth-child(4)::before { content: '✅'; }

.advantage-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 2;
}

.advantage-item:hover::before {
    opacity: 0.1;
}

.advantage-item:hover::after {
    transform: scaleX(1);
}

.advantage-item:hover {
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.25);
    transform: translateY(-12px);
    border-color: rgba(0, 102, 204, 0.1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(230, 242, 255, 0.8) 100%);
    border-top-color: var(--color-accent);
}

.advantage-icon {
    font-size: 42px;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2), rgba(0, 180, 216, 0.2));
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    animation: iconFloat 3s ease-in-out infinite;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.15);
    transition: all var(--transition-base);
    border: 2px solid rgba(0, 102, 204, 0.1);
}

.advantage-item:hover .advantage-icon {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.3), rgba(0, 180, 216, 0.3));
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.25);
    transform: scale(1.1);
    border-color: rgba(0, 102, 204, 0.3);
}

.advantage-item:nth-child(1) .advantage-icon {
    animation-delay: 0s;
}
.advantage-item:nth-child(2) .advantage-icon {
    animation-delay: 0.2s;
}
.advantage-item:nth-child(3) .advantage-icon {
    animation-delay: 0.4s;
}
.advantage-item:nth-child(4) .advantage-icon {
    animation-delay: 0.6s;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.advantage-item h3 {
    font-size: 22px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
}

.advantage-item p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.8;
}

/* ===== 荣誉卡片 ===== */
.honors-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.honor-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Icon作为背景 */
.honor-card::before {
    font-size: 150px;
    opacity: 0.05;
    position: absolute;
    right: -20px;
    bottom: -30px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.honor-card:nth-child(1)::before { content: '🏆'; }
.honor-card:nth-child(2)::before { content: '⭐'; }
.honor-card:nth-child(3)::before { content: '🎖️'; }

.honor-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.honor-card:hover::before {
    opacity: 0.1;
}

.honor-badge {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    display: none;
}

.honor-card h3 {
    font-size: 28px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.honor-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    position: relative;
    z-index: 1;
}

/* ===== 时间线 - 创意进度线设计 ===== */
.timeline-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: linear-gradient(180deg, #f8fbff 0%, var(--color-white) 100%);
}

.timeline-journey {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-4xl);
    padding: var(--spacing-5xl) var(--spacing-2xl);
}

/* 时间轴背景线 */
.timeline-axis {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        #003399 0%,
        var(--color-primary) 50%,
        #0052A3 100%);
    transform: translateY(-50%);
    z-index: 1;
}

/* 时间轴进度动画 */
.timeline-axis::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg,
        #003399 0%,
        var(--color-primary) 50%,
        #0052A3 100%);
    animation: progressFill 2.5s ease-out forwards;
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.5);
}

@keyframes progressFill {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

/* 时间节点 */
.timeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* 节点分为上下两排 */
.timeline-node-top {
    flex-direction: column-reverse;
}

.timeline-node-bottom {
    flex-direction: column;
}

/* 卡片容器 */
.node-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl) var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.08);
    transition: all var(--transition-base);
    width: 100%;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border-top: 4px solid;
    animation: cardSlideIn 0.6s ease-out both;
}

.timeline-node-top .node-card {
    animation: cardSlideInTop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.timeline-node-bottom .node-card {
    animation: cardSlideInBottom 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.timeline-node-1 .node-card { border-top-color: var(--color-primary); animation-delay: 0.2s; }
.timeline-node-2 .node-card { border-top-color: #0052A3; animation-delay: 0.35s; }
.timeline-node-3 .node-card { border-top-color: var(--color-primary); animation-delay: 0.5s; }
.timeline-node-4 .node-card { border-top-color: #0052A3; animation-delay: 0.65s; }
.timeline-node-5 .node-card { border-top-color: var(--color-primary); animation-delay: 0.8s; }
.timeline-node-6 .node-card { border-top-color: #0052A3; animation-delay: 0.95s; }

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes cardSlideInTop {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes cardSlideInBottom {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.02), rgba(0, 180, 216, 0.02));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.node-card:hover::before {
    opacity: 1;
}

.node-card:hover {
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.2);
    transform: translateY(-8px);
}

/* 卡片背景渐变 - 蓝色系 */
.timeline-node-1 .node-card::before { background: linear-gradient(135deg, rgba(0, 102, 204, 0.08), transparent); }
.timeline-node-2 .node-card::before { background: linear-gradient(135deg, rgba(0, 82, 163, 0.08), transparent); }
.timeline-node-3 .node-card::before { background: linear-gradient(135deg, rgba(0, 102, 204, 0.08), transparent); }
.timeline-node-4 .node-card::before { background: linear-gradient(135deg, rgba(0, 82, 163, 0.08), transparent); }
.timeline-node-5 .node-card::before { background: linear-gradient(135deg, rgba(0, 102, 204, 0.08), transparent); }
.timeline-node-6 .node-card::before { background: linear-gradient(135deg, rgba(0, 82, 163, 0.08), transparent); }

.node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.node-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.node-card:hover {
    background: var(--color-white);
}

.timeline-node-1:hover .node-card { box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2); }
.timeline-node-2:hover .node-card { box-shadow: 0 12px 40px rgba(0, 82, 163, 0.2); }
.timeline-node-3:hover .node-card { box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2); }
.timeline-node-4:hover .node-card { box-shadow: 0 12px 40px rgba(0, 82, 163, 0.2); }
.timeline-node-5:hover .node-card { box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2); }
.timeline-node-6:hover .node-card { box-shadow: 0 12px 40px rgba(0, 82, 163, 0.2); }

/* 卡片内容 */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-light);
}

.node-year {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.node-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0052A3, var(--color-primary));
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.5px;
}

.timeline-node-2 .node-badge { background: linear-gradient(135deg, var(--color-primary), #0052A3); }
.timeline-node-3 .node-badge { background: linear-gradient(135deg, #0052A3, var(--color-primary)); }
.timeline-node-4 .node-badge { background: linear-gradient(135deg, var(--color-primary), #0052A3); }
.timeline-node-5 .node-badge { background: linear-gradient(135deg, #0052A3, var(--color-primary)); }
.timeline-node-6 .node-badge { background: linear-gradient(135deg, var(--color-primary), #0052A3); }

.node-card h3 {
    font-size: 20px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    font-weight: var(--font-weight-bold);
}

.node-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.6;
    flex-grow: 1;
}

/* 节点指示器 - 蓝色系 */
.node-indicator {
    margin-top: var(--spacing-lg);
    font-size: 20px;
    color: var(--color-primary);
    font-weight: bold;
    opacity: 0.6;
    transition: all var(--transition-base);
}

.timeline-node:hover .node-indicator {
    opacity: 1;
    transform: translateX(4px);
}

.timeline-node-2 .node-indicator { color: #0052A3; }
.timeline-node-3 .node-indicator { color: var(--color-primary); }
.timeline-node-4 .node-indicator { color: #0052A3; }
.timeline-node-5 .node-indicator { color: var(--color-primary); }
.timeline-node-6 .node-indicator { color: #0052A3; }

/* ===== 时间线响应式 ===== */
@media (max-width: 1200px) {
    .timeline-journey {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-3xl);
    }
}

@media (max-width: 1024px) {
    .timeline-journey {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
        padding: var(--spacing-4xl) var(--spacing-lg);
    }

    .timeline-axis {
        display: none;
    }

    .node-card {
        min-height: 180px;
    }
}

@media (max-width: 768px) {
    .timeline-journey {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        padding: var(--spacing-3xl) var(--spacing-base);
    }

    .timeline-node-top,
    .timeline-node-bottom {
        flex-direction: column;
    }

    .node-card {
        padding: var(--spacing-2xl);
        min-height: auto;
    }

    .card-header {
        margin-bottom: var(--spacing-base);
        padding-bottom: var(--spacing-base);
    }

    .node-year {
        font-size: 16px;
    }

    .node-badge {
        font-size: 11px;
        padding: 3px 10px;
    }

    .node-card h3 {
        font-size: var(--font-size-h3);
    }

    .node-card p {
        font-size: var(--font-size-small);
    }
}

/* ===== 成就统计 ===== */
.achievements-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.achievement-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.achievement-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.achievement-stat {
    font-size: 42px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-base);
}

.achievement-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    font-weight: var(--font-weight-semibold);
}

/* ===== 未来规划 ===== */
.future-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-white);
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.future-card {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Icon作为背景 */
.future-card::before {
    font-size: 180px;
    opacity: 0.05;
    position: absolute;
    right: -25px;
    bottom: -40px;
    z-index: 0;
    color: var(--color-white);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.future-card:nth-child(1)::before { content: '🚀'; }
.future-card:nth-child(2)::before { content: '🌟'; }

.future-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 102, 204, 0.15);
}

.future-card:hover::before {
    opacity: 0.1;
}

.future-icon {
    font-size: 42px;
    margin-bottom: var(--spacing-lg);
    display: none;
}

.future-card h3 {
    font-size: 28px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.future-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== 业务卡片 ===== */
.business-blocks {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: linear-gradient(180deg, #f8fbff 0%, var(--color-white) 100%);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.business-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(230, 242, 255, 0.4) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl) var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.08);
    transition: all var(--transition-base);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 4px solid;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 240px;
}

.business-card:nth-child(1) { border-top-color: var(--color-primary); }
.business-card:nth-child(2) { border-top-color: #0052A3; }
.business-card:nth-child(3) { border-top-color: var(--color-primary); }
.business-card:nth-child(4) { border-top-color: #0052A3; }

/* 科技感背景效果 - Icon作为背景 */
.business-card::before {
    font-size: 200px;
    opacity: 0.05;
    position: absolute;
    right: -30px;
    bottom: -50px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.business-card:nth-child(1)::before { content: '📱'; }
.business-card:nth-child(2)::before { content: '🎯'; }
.business-card:nth-child(3)::before { content: '🤖'; }
.business-card:nth-child(4)::before { content: '👥'; }

.business-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.4s ease-out;
    z-index: 1;
}

.business-card:hover::after {
    opacity: 1;
    animation: topLineGlow 1.5s ease-in-out infinite;
}

.business-card:hover::before {
    opacity: 0.1;
}

@keyframes topLineGlow {
    0%, 100% {
        opacity: 0.3;
        box-shadow: none;
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 20px rgba(0, 102, 204, 0.4);
    }
}

.business-card:hover {
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.25);
    transform: translateY(-12px);
    border-top-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(230, 242, 255, 0.7) 100%);
}

.business-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
    border-bottom: none;
    padding-bottom: 0;
    position: relative;
    z-index: 1;
    width: 100%;
}

.business-icon {
    display: none;
}

.business-card:nth-child(1) .business-icon { animation-delay: 0s; }
.business-card:nth-child(2) .business-icon { animation-delay: 0.2s; }
.business-card:nth-child(3) .business-icon { animation-delay: 0.4s; }
.business-card:nth-child(4) .business-icon { animation-delay: 0.6s; }

@keyframes businessIconFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-6px);
    }
}

.business-header h3 {
    font-size: 40px;
    color: var(--color-dark);
    margin: 0;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
    line-height: 1.2;
    transition: all var(--transition-base);
}

.business-card:hover .business-header h3 {
    color: var(--color-primary);
}

.business-body {
    position: relative;
    z-index: 1;
    width: 100%;
}

.business-highlight {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    margin-top: 8px;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
}

.business-card:hover .business-highlight {
    color: var(--color-accent);
}

.business-list {
    list-style: none;
    padding: 0;
    margin-bottom: 0;
}

.business-list li {
    padding: 6px 0;
    padding-left: 0;
    position: relative;
    font-size: var(--font-size-small);
    color: var(--color-gray);
    line-height: 1.5;
}

.business-list li::before {
    content: '✓';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-primary);
    font-weight: bold;
    display: none;
}

/* ===== 地区卡片 ===== */
.regions-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-white);
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.region-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Icon作为背景 */
.region-card::before {
    font-size: 150px;
    opacity: 0.05;
    position: absolute;
    right: -20px;
    bottom: -30px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.region-card:nth-child(1)::before { content: '🌍'; }
.region-card:nth-child(2)::before { content: '🗺️'; }
.region-card:nth-child(3)::before { content: '🌐'; }

.region-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.region-card:hover::before {
    opacity: 0.1;
}

.region-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    display: none;
}

.region-card h3 {
    font-size: 28px;
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.region-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== 合作卡片 ===== */
.partnerships-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.partnerships-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.partnership-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.partnership-card:hover {
    box-shadow: var(--shadow-medium);
}

.partnership-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-primary);
}

.partnership-card ul {
    list-style: none;
    padding: 0;
}

.partnership-card li {
    padding: var(--spacing-base) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray);
    border-bottom: 1px solid var(--color-light);
}

.partnership-card li:last-child {
    border-bottom: none;
}

/* ===== 客户统计 ===== */
.clients-stats {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.stat-box {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.stat-box:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.stat-big {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-base);
}

.stat-box p {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    font-weight: var(--font-weight-semibold);
}

/* ===== 客户展示图片 ===== */
.clients-showcase-image {
    margin-top: var(--spacing-5xl);
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.15);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 180, 216, 0.05));
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-photo {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.clients-showcase-image:hover .showcase-photo {
    transform: scale(1.05);
}

/* ===== 客户展示 ===== */
.clients-showcase {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.client-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    text-align: center;
    border-top: 4px solid var(--color-primary);
}

.client-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.client-logo {
    width: 100%;
    height: 140px;
    border-radius: var(--radius-base);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.client-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
}

.client-industry {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-base);
    font-size: var(--font-size-tiny);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
}

.client-desc {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.6;
}

/* ===== 行业分布 ===== */
.industry-distribution {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-light);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.industry-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.industry-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.industry-name {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-base);
}

.industry-percent {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* ===== 客户评价 ===== */
.testimonials-section {
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.testimonial-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateX(8px);
}

.testimonial-stars {
    font-size: 20px;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 4px;
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    border-top: 1px solid var(--color-light);
    padding-top: var(--spacing-lg);
}

.author-name {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .intro-grid,
    .missions-grid,
    .achievements-grid,
    .honors-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid-2col {
        grid-template-columns: repeat(2, 1fr);
    }

    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .achievements-grid,
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .regions-grid,
    .partnerships-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline::before {
        left: 0;
    }

    .timeline-left,
    .timeline-right {
        margin-left: 0;
        margin-right: 0;
        padding-left: var(--spacing-3xl);
    }

    .timeline-marker {
        left: -8px;
        transform: none;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 60px var(--spacing-base) 40px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .page-header p {
        font-size: var(--font-size-base);
    }

    .intro-grid,
    .advantages-grid-2col,
    .mission-grid,
    .future-grid,
    .business-grid,
    .partnerships-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .achievements-grid,
    .honors-grid,
    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .clients-grid {
        grid-template-columns: 1fr;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: var(--font-size-h2);
    }
}

/* ===== CTA 行动召唤区（通用） ===== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-5xl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite 1s;
}

.cta-decoration {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
    animation: pulse 4s ease-in-out infinite;
}

.cta-deco-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    border: 2px solid var(--color-white);
    animation-delay: 0s;
}

.cta-deco-2 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    right: 10%;
    border: 2px solid var(--color-white);
    animation-delay: 1s;
}

.cta-deco-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 5%;
    border: 2px solid var(--color-white);
    animation-delay: 2s;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-main h2 {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    font-weight: var(--font-weight-bold);
}

.cta-main p {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.cta-section .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.5px;
}

.cta-section .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-accent);
    transition: left var(--transition-base);
    z-index: -1;
}

.cta-section .btn-primary:hover::before {
    left: 0;
}

.cta-section .btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.3);
    transform: translateY(-3px);
}

.cta-section .btn-secondary {
    border: 2px solid var(--color-white);
    color: var(--color-white);
    background: transparent;
}

.cta-section .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--color-white);
    color: var(--color-white);
}

.cta-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.cta-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: var(--spacing-base);
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.06) 100%);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    min-height: 120px;
}

.cta-feature-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.12) 100%);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(-8px);
}

.cta-feature-icon {
    width: 0;
    height: 0;
    display: none;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.cta-feature-text h4 {
    font-size: 28px;
    margin-bottom: 4px;
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
}

.cta-feature-text span {
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.8);
}