/* 全局优化 - 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f8f9fa;
}

/* 关于我们英雄区 */
.about-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 英雄区装饰效果 */
.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.25;
}

.about-hero::after {
    content: '';
    position: absolute;
    top: 30%;
    right: 15%;
    width: 220px;
    height: 220px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    filter: blur(70px);
    animation: float 18s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    animation: fadeInUp 0.8s ease-out forwards;
}

.about-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-hero p {
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.9;
}

/* 核心内容区 */
.about-core {
    padding: 120px 0;
    background: white;
}

.core-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 内容模块通用样式 */
.about-module {
    margin-bottom: 120px;
    position: relative;
}

.about-module:last-child {
    margin-bottom: 0;
}

.module-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out forwards;
}

.module-title {
    font-size: 42px;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.module-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 2px;
}

.module-desc {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 工作室简介模块 */
.intro-content {
    display: flex;
    align-items: center;
    gap: 60px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.intro-img {
    flex: 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.intro-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

.intro-img:hover img {
    transform: scale(1.05);
}

.intro-text {
    flex: 1.2;
}

.intro-text p {
    font-size: 18px;
    color: #444;
    margin-bottom: 25px;
    line-height: 1.9;
    text-align: justify;
}

.intro-text p strong {
    color: #165DFF;
}

/* 核心理念模块 */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.philosophy-card {
    background: linear-gradient(135deg, #f9fbff 0%, #f0f5ff 100%);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(22, 93, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #165DFF 0%, #0E46D9 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(22, 93, 255, 0.1);
    border-color: rgba(22, 93, 255, 0.2);
}

.philosophy-card:hover::before {
    transform: scaleX(1);
}

.philosophy-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 10px 30px rgba(22, 93, 255, 0.2);
}

.philosophy-icon i {
    font-size: 36px;
    color: white;
}

.philosophy-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
}

.philosophy-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 发展历程模块 */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeInUp 0.7s ease-out forwards;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: linear-gradient(180deg, #165DFF 0%, #0E46D9 100%);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    margin-bottom: 80px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 40px;
}

.timeline-item:nth-child(odd) {
    padding-right: 40px;
    text-align: right;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    top: 0;
    width: 24px;
    height: 24px;
    background: white;
    border: 4px solid #165DFF;
    border-radius: 50%;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    box-shadow: 0 0 0 8px rgba(22, 93, 255, 0.1);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -12px;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -12px;
}

.timeline-date {
    font-size: 20px;
    font-weight: 600;
    color: #165DFF;
    margin-bottom: 15px;
}

.timeline-content {
    background: linear-gradient(135deg, #f9fbff 0%, #f0f5ff 100%);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(22, 93, 255, 0.08);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    box-shadow: 0 15px 35px rgba(22, 93, 255, 0.12);
    border-color: rgba(22, 93, 255, 0.15);
}

.timeline-content h3 {
    font-size: 22px;
    color: #222;
    margin-bottom: 15px;
}

.timeline-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 团队架构模块 */
.structure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.structure-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(224, 224, 224, 0.5);
    transition: all 0.4s ease;
}

.structure-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border-color: #165DFF;
}

.structure-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.structure-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e0ecff 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.structure-icon i {
    font-size: 28px;
    color: #165DFF;
}

.structure-title {
    font-size: 22px;
    font-weight: 600;
    color: #222;
}

.structure-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.structure-list {
    list-style: none;
}

.structure-list li {
    font-size: 15px;
    color: #555;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.structure-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #165DFF;
    font-weight: bold;
}

/* 创作领域模块 */
.field-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 100%);
    position: relative;
    overflow: hidden;
}

.field-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23165dff' fill-opacity='0.03'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10zm10 8c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm40 40c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.8;
}

.field-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.field-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    border: 1px solid rgba(224, 224, 224, 0.5);
}

.field-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: #165DFF;
}

.field-img {
    height: 200px;
    overflow: hidden;
}

.field-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.field-card:hover .field-img img {
    transform: scale(1.1);
}

.field-content {
    padding: 35px 30px;
}

.field-title {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.field-title i {
    color: #165DFF;
    font-size: 28px;
}

.field-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
}

.field-feature {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.feature-tag {
    background: linear-gradient(135deg, #f0f5ff 0%, #e0ecff 100%);
    color: #165DFF;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
}

/* 核心团队模块 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 50px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.team-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid rgba(224, 224, 224, 0.5);
}

.team-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border-color: #165DFF;
}

.team-avatar {
    width: 160px;
    height: 160px;
    margin: -40px auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.team-card:hover .team-avatar img {
    transform: scale(1.1);
}

.team-header {
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    padding: 60px 20px 20px;
    color: white;
}

.team-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-role {
    font-size: 14px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-desc {
    padding: 30px 25px;
}

.team-desc p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.team-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.skill-tag {
    background: #f0f5ff;
    color: #165DFF;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
}

/* 未来规划模块 */
.plan-section {
    padding: 120px 0;
    background: white;
}

.plan-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.plan-card {
    background: linear-gradient(135deg, #f9fbff 0%, #f0f5ff 100%);
    border-radius: 20px;
    padding: 50px 30px;
    border: 1px solid rgba(22, 93, 255, 0.08);
    transition: all 0.4s ease;
    position: relative;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: rgba(22, 93, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #165DFF;
}

.plan-card:nth-child(1)::before {
    content: '01';
}

.plan-card:nth-child(2)::before {
    content: '02';
}

.plan-card:nth-child(3)::before {
    content: '03';
}

.plan-card:nth-child(4)::before {
    content: '04';
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(22, 93, 255, 0.1);
    border-color: rgba(22, 93, 255, 0.2);
}

.plan-title {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
}

.plan-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
}

.plan-list {
    list-style: none;
}

.plan-list li {
    font-size: 15px;
    color: #555;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.plan-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #165DFF;
    font-weight: bold;
}

/* 成就数据模块 */
.achievements {
    padding: 100px 0;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.achievements::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10zm10 8c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm40 40c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.6;
}

.achievements-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.achievements .module-title {
    color: white;
}

.achievements .module-title::after {
    background: white;
}

.achievements .module-desc {
    color: rgba(255, 255, 255, 0.8);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out forwards;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: white;
    margin-bottom: 15px;
    line-height: 1.2;
    position: relative;
}

.stat-number::after {
    content: '+';
    font-size: 36px;
    position: absolute;
    top: 5px;
    right: -25px;
    opacity: 0.8;
}

.stat-label {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    text-transform: capitalize;
}

/* 加入我们模块 */
.join-section {
    padding: 120px 0;
    background: white;
    text-align: center;
}

.join-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.join-content {
    background: linear-gradient(135deg, #f9fbff 0%, #f0f5ff 100%);
    border-radius: 24px;
    padding: 80px 50px;
    box-shadow: 0 15px 45px rgba(22, 93, 255, 0.08);
    border: 1px solid rgba(22, 93, 255, 0.08);
    animation: fadeInUp 0.7s ease-out forwards;
}

.join-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 15px 30px rgba(22, 93, 255, 0.2);
}

.join-icon i {
    font-size: 48px;
    color: white;
}

.join-title {
    font-size: 36px;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
}

.join-desc {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.join-btn {
    display: inline-block;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    font-size: 18px;
    font-weight: 600;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(22, 93, 255, 0.2);
}

.join-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(22, 93, 255, 0.3);
    background: linear-gradient(135deg, #0F4ED9 0%, #0A3DB0 100%);
    color: white;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .intro-content {
        gap: 40px;
    }

    .timeline {
        max-width: 90%;
    }
}

@media (max-width: 992px) {
    .about-hero h1 {
        font-size: 52px;
    }

    .about-hero p {
        font-size: 20px;
    }

    .about-core {
        padding: 100px 0;
    }

    .module-title {
        font-size: 38px;
    }

    .intro-content {
        flex-direction: column;
        text-align: center;
    }

    .intro-text p {
        text-align: center;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px !important;
        padding-right: 0 !important;
        text-align: left !important;
        left: 0 !important;
    }

    .timeline-item:nth-child(odd) .timeline-dot {
        right: auto;
        left: -12px;
    }

    .achievements,
    .field-section,
    .plan-section,
    .join-section {
        padding: 80px 0;
    }

    .join-content {
        padding: 60px 30px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 140px 0 100px;
    }

    .about-hero h1 {
        font-size: 44px;
    }

    .about-hero p {
        font-size: 18px;
    }

    .about-core {
        padding: 80px 0;
    }

    .about-module {
        margin-bottom: 80px;
    }

    .module-title {
        font-size: 34px;
    }

    .module-desc {
        font-size: 17px;
    }

    .philosophy-grid,
    .structure-grid,
    .field-grid,
    .team-grid,
    .plan-grid,
    .stats-grid {
        gap: 30px;
    }

    .join-title {
        font-size: 32px;
    }

    .join-desc {
        font-size: 17px;
    }

    .join-btn {
        padding: 14px 35px;
        font-size: 17px;
    }
}

@media (max-width: 576px) {
    .about-hero {
        padding: 120px 0 80px;
    }

    .about-hero h1 {
        font-size: 36px;
    }

    .about-hero p {
        font-size: 16px;
    }

    .module-title {
        font-size: 30px;
    }

    .module-desc {
        font-size: 16px;
    }

    .philosophy-card,
    .structure-card,
    .field-card,
    .team-card,
    .plan-card,
    .stat-card {
        padding: 40px 20px;
    }

    .timeline-content {
        padding: 25px 20px;
    }

    .timeline-content h3 {
        font-size: 20px;
    }

    .team-avatar {
        width: 140px;
        height: 140px;
    }

    .stat-number {
        font-size: 42px;
    }

    .stat-label {
        font-size: 16px;
    }

    .join-icon {
        width: 80px;
        height: 80px;
    }

    .join-icon i {
        font-size: 38px;
    }

    .join-title {
        font-size: 28px;
    }

    .join-btn {
        padding: 12px 30px;
        font-size: 16px;
        width: 100%;
    }

    .footer-container {
        gap: 30px;
    }
}