/* 重置样式和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #ffffff;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 2px;
}

.nav-logo span {
    font-size: 12px;
    color: #666;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu > li {
    position: relative;
    margin: 0 15px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    padding: 10px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
    background-color: rgba(37, 99, 235, 0.1);
}

/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 180px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 10px 0;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: #666;
    font-size: 13px;
    border-radius: 0;
}

.dropdown-menu a:hover {
    background-color: #f8fafc;
    color: #2563eb;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域样式 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
}

.hero-text h2 {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.8);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: #ffffff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

/* 现代3D卡片展示设计 */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* hero-visual 专用的思维导图样式调整 */
.hero-visual .mindmap-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 20px;
}

/* 调整hero-visual中分支的位置 - 适应中心节点右下移 */
.hero-visual .branch-1 {
    top: 8%;
    left: 28%;
}

.hero-visual .branch-2 {
    top: 5%;
    right: 12%;
}

.hero-visual .branch-3 {
    bottom: 15%;
    right: 12%;
}

.hero-visual .branch-4 {
    bottom: 18%;
    left: 28%;
}

.hero-visual .branch-5 {
    top: 45%;
    left: 10%;
    transform: translateY(-50%);
}

.hero-visual .branch-6 {
    top: 55%;
    right: 5%;
    transform: translateY(-50%);
}

/* 调整hero-visual中连接线的位置 - 适应中心节点右下移 */
.hero-visual .branch-1 .branch-line {
    width: 85px;
    height: 3px;
    top: 50%;
    left: 120px;
    transform: translateY(-50%) rotate(40deg);
    transform-origin: left center;
}

.hero-visual .branch-2 .branch-line {
    width: 140px;
    height: 3px;
    top: 50%;
    right: 120px;
    transform: translateY(-50%) rotate(-45deg);
    transform-origin: right center;
}

.hero-visual .branch-3 .branch-line {
    width: 120px;
    height: 3px;
    bottom: 50%;
    right: 120px;
    transform: translateY(50%) rotate(15deg);
    transform-origin: right center;
}

.hero-visual .branch-4 .branch-line {
    width: 100px;
    height: 3px;
    bottom: 50%;
    left: 120px;
    transform: translateY(50%) rotate(-10deg);
    transform-origin: left center;
}

.hero-visual .branch-5 .branch-line {
    width: 130px;
    height: 3px;
    top: 50%;
    left: 120px;
    transform: translateY(-50%) rotate(8deg);
}

.hero-visual .branch-6 .branch-line {
    width: 110px;
    height: 3px;
    top: 50%;
    right: 120px;
    transform: translateY(-50%) rotate(-8deg);
}

.cards-showcase {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 中心Logo卡片 */
.center-logo-card {
    position: relative;
    z-index: 10;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 60px rgba(102, 126, 234, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    animation: centerFloat 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes centerFloat {
    0%, 100% {
        transform: translateY(0px) rotateY(0deg);
    }
    50% {
        transform: translateY(-10px) rotateY(5deg);
    }
}

.center-logo-card .logo-content {
    text-align: center;
}

.center-logo-card .logo-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 5px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.center-logo-card .logo-content span {
    font-size: 14px;
    color: #667eea;
    font-weight: 600;
    letter-spacing: 3px;
    display: block;
    margin-bottom: 8px;
}

.center-logo-card .logo-content p {
    font-size: 12px;
    color: #64748b;
    margin: 0;
    font-weight: 500;
}

/* 浮动功能卡片 */
.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.feature-card {
    position: absolute;
    width: 120px;
    height: 100px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(255, 255, 255, 0.8) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.08),
        0 0 30px rgba(102, 126, 234, 0.15);
    transition: all 0.4s ease;
    animation: cardFloat 8s ease-in-out infinite;
    transform-style: preserve-3d;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.05) rotateY(10deg);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 0 50px rgba(102, 126, 234, 0.3);
}

.feature-card .card-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    transition: transform 0.3s ease;
}

.feature-card:hover .card-icon {
    transform: scale(1.1) rotateZ(5deg);
}

.feature-card .card-icon svg {
    width: 20px;
    height: 20px;
    color: white;
    stroke-width: 2;
}

.feature-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 2px 0;
    text-align: center;
}

.feature-card span {
    font-size: 10px;
    color: #667eea;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 卡片位置和动画 */
.card-1 {
    top: 15%;
    left: 15%;
    animation-delay: 0s;
}

.card-2 {
    top: 10%;
    right: 18%;
    animation-delay: 1.3s;
}

.card-3 {
    top: 50%;
    left: 8%;
    animation-delay: 2.6s;
}

.card-4 {
    top: 45%;
    right: 12%;
    animation-delay: 3.9s;
}

.card-5 {
    bottom: 20%;
    left: 20%;
    animation-delay: 5.2s;
}

.card-6 {
    bottom: 15%;
    right: 25%;
    animation-delay: 6.5s;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0px) rotateX(0deg);
    }
    33% {
        transform: translateY(-8px) rotateX(2deg);
    }
    66% {
        transform: translateY(-4px) rotateX(-1deg);
    }
}

/* 背景装饰元素 */
.background-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.4;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, 
        rgba(102, 126, 234, 0.15) 0%, 
        rgba(118, 75, 162, 0.1) 50%,
        transparent 100%);
    animation: bgFloat 12s ease-in-out infinite;
}

.circle-1 {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.circle-2 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 25%;
    animation-delay: 4s;
}

.circle-3 {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 60%;
    animation-delay: 8s;
}

@keyframes bgFloat {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-20px) scale(1.1);
        opacity: 0.6;
    }
}

/* 功能模块样式 */
.modules {
    padding: 100px 0;
    background: #f8fafc;
}

/* 品牌理念样式 */
.brand-philosophy {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.brand-philosophy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="philosophy-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(102,126,234,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23philosophy-grid)"/></svg>');
    opacity: 0.3;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.philosophy-title {
    font-size: 36px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 10px;
    line-height: 1.2;
}

.philosophy-subtitle {
    font-size: 18px;
    color: #667eea;
    font-weight: 500;
    margin-bottom: 40px;
    position: relative;
    padding-left: 20px;
}

.philosophy-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 12px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: translateY(-50%);
}

.philosophy-story {
    margin-bottom: 40px;
}

.story-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.story-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.1);
}

.story-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.story-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    stroke-width: 2;
}

.story-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.story-content p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

.story-content em {
    color: #667eea;
    font-style: italic;
    font-weight: 500;
}

.philosophy-quote {
    position: relative;
}

.philosophy-quote blockquote {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-left: 4px solid #667eea;
    padding: 25px 30px;
    margin: 0;
    border-radius: 8px;
    font-size: 16px;
    line-height: 1.7;
    color: #374151;
    font-style: italic;
    position: relative;
}

.philosophy-quote blockquote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 15px;
    font-size: 60px;
    color: rgba(102, 126, 234, 0.3);
    font-family: serif;
    line-height: 1;
}

/* 河流可视化 */
.philosophy-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.river-flow {
    position: relative;
    width: 100%;
    height: 400px;
}

.stream {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #64748b;
    font-weight: 500;
}

.stream-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    position: relative;
    animation: streamFlow 3s ease-in-out infinite;
}

.stream-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(102, 126, 234, 0.6), 
        rgba(102, 126, 234, 0.2), 
        transparent
    );
    transform: translateY(-50%);
    animation: streamLine 3s ease-in-out infinite;
}

@keyframes streamFlow {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.8;
    }
}

@keyframes streamLine {
    0% { 
        width: 60px;
        opacity: 0.6;
    }
    50% { 
        width: 80px;
        opacity: 0.8;
    }
    100% { 
        width: 60px;
        opacity: 0.6;
    }
}

/* 溪流位置 */
.stream-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.stream-2 {
    top: 25%;
    left: 5%;
    animation-delay: 0.5s;
}

.stream-3 {
    top: 40%;
    left: 8%;
    animation-delay: 1s;
}

.stream-4 {
    top: 55%;
    left: 12%;
    animation-delay: 1.5s;
}

.stream-5 {
    top: 70%;
    left: 6%;
    animation-delay: 2s;
}

.stream-6 {
    top: 85%;
    left: 15%;
    animation-delay: 2.5s;
}

.main-river {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    height: 120px;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.15), 
        rgba(118, 75, 162, 0.15)
    );
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.1);
    animation: riverPulse 4s ease-in-out infinite;
    clip-path: polygon(15% 0%, 85% 0%, 100% 25%, 100% 75%, 85% 100%, 15% 100%, 0% 75%, 0% 25%);
}

@keyframes riverPulse {
    0%, 100% { 
        transform: translateY(-50%) scale(1);
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.1);
    }
    50% { 
        transform: translateY(-50%) scale(1.05);
        box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    }
}

.river-title {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #1e293b;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: #64748b;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.module-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.module-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

.module-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-icon svg {
    width: 28px;
    height: 28px;
    color: white;
    stroke-width: 2;
}

.module-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    color: #1e293b;
}

.module-item p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 20px;
}

.module-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.module-features span {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* 产品特色样式 */
.features {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    color: white;
    stroke-width: 2;
}

.feature-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-item p {
    color: #64748b;
    line-height: 1.7;
}

/* 解决方案样式 */
.solutions {
    padding: 100px 0;
    background: #f8fafc;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.solution-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.solution-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.solution-item p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-item ul {
    list-style: none;
}

.solution-item li {
    color: #64748b;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.solution-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    stroke-width: 2;
}

.contact-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1e293b;
}

.contact-item p {
    color: #64748b;
    line-height: 1.6;
}

/* 联系表单样式 */
.contact-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚样式 */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #475569;
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #94a3b8;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .philosophy-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .philosophy-title {
        font-size: 32px;
    }
    
    .river-flow {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .hero-text h2 {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .modules-grid,
    .features-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-modules {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .hero-visual .mindmap-container {
        height: 400px;
        transform: scale(0.8);
        padding: 30px 15px;
    }
    
    .hero-visual .central-node {
        left: 52%;
        transform: translate(-50%, -50%) translate(30px, 30px);
    }
    
    .hero-visual .branch-1 {
        top: 12%;
        left: 25%;
    }
    
    .hero-visual .branch-2 {
        top: 8%;
        right: 15%;
    }
    
    .hero-visual .branch-3 {
        bottom: 18%;
        right: 15%;
    }
    
    .hero-visual .branch-4 {
        bottom: 22%;
        left: 25%;
    }
    
    .center-logo-card {
        width: 180px;
        height: 180px;
    }
    
    .center-logo-card .logo-content h3 {
        font-size: 26px;
    }
    
    .center-logo-card .logo-content span {
        font-size: 12px;
    }
    
    .center-logo-card .logo-content p {
        font-size: 11px;
    }
    
    .feature-card {
        width: 100px;
        height: 85px;
    }
    
    .feature-card .card-icon {
        width: 35px;
        height: 35px;
    }
    
    .feature-card .card-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .feature-card h4 {
        font-size: 12px;
    }
    
    .feature-card span {
        font-size: 9px;
    }
    
    .bg-circle {
        opacity: 0.3;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 200px;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .brand-philosophy {
        padding: 60px 0;
    }
    
    .philosophy-title {
        font-size: 28px;
    }
    
    .philosophy-subtitle {
        font-size: 16px;
    }
    
    .story-item {
        padding: 15px;
    }
    
    .story-icon {
        width: 40px;
        height: 40px;
    }
    
    .story-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .story-content h4 {
        font-size: 16px;
    }
    
    .river-flow {
        height: 250px;
    }
    
    .main-river {
        width: 150px;
        height: 100px;
    }
    
    .river-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .modules,
    .features,
    .solutions,
    .contact {
        padding: 60px 0;
    }
    
    .hero-visual {
        height: 350px;
    }
    
    .hero-visual .mindmap-container {
        height: 350px;
        transform: scale(0.6);
        padding: 25px 10px;
    }
    
    .hero-visual .central-node {
        left: 52%;
        transform: translate(-50%, -50%) translate(20px, 20px);
    }
    
    .hero-visual .branch-1 {
        top: 15%;
        left: 22%;
    }
    
    .hero-visual .branch-2 {
        top: 10%;
        right: 12%;
    }
    
    .hero-visual .branch-3 {
        bottom: 20%;
        right: 12%;
    }
    
    .hero-visual .branch-4 {
        bottom: 25%;
        left: 22%;
    }
    
    .hero-visual .branch-5 {
        left: 12%;
        top: 48%;
    }
    
    .hero-visual .branch-6 {
        right: 8%;
        top: 58%;
    }
    
    .center-logo-card {
        width: 160px;
        height: 160px;
    }
    
    .center-logo-card .logo-content h3 {
        font-size: 22px;
    }
    
    .center-logo-card .logo-content span {
        font-size: 10px;
    }
    
    .center-logo-card .logo-content p {
        font-size: 9px;
    }
    
    .feature-card {
        width: 85px;
        height: 70px;
    }
    
    .feature-card .card-icon {
        width: 30px;
        height: 30px;
    }
    
    .feature-card .card-icon svg {
        width: 16px;
        height: 16px;
    }
    
    .feature-card h4 {
        font-size: 10px;
    }
    
    .feature-card span {
        font-size: 8px;
    }
    
    .floating-cards {
        opacity: 0.8;
    }
    
    .bg-circle {
        opacity: 0.2;
    }
    
    .module-item,
    .solution-item {
        padding: 30px 20px;
    }
    
    .module-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .module-item h3 {
        font-size: 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .philosophy-title {
        font-size: 24px;
    }
    
    .philosophy-subtitle {
        font-size: 14px;
    }
    
    .story-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .philosophy-quote blockquote {
        padding: 20px;
        font-size: 14px;
    }
    
    .river-flow {
        height: 200px;
    }
    
    .main-river {
        width: 120px;
        height: 80px;
    }
    
    .river-title {
        font-size: 14px;
    }
    
    .stream span {
        font-size: 10px;
    }
}

/* 经典树型思维导图样式 */
.philosophy-visual {
    position: relative;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

/* 经典思维导图容器 */
.mindmap-tree {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 中心主题节点 */
.central-topic {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.topic-bubble {
    position: relative;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.central-bubble {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    font-size: 16px;
    animation: centralPulse 3s ease-in-out infinite;
    border-radius: 35px;
    min-width: 200px;
}

.central-bubble h3 {
    margin: 0 0 8px 0;
    font-size: 20px;
    font-weight: 700;
}

.central-bubble span {
    font-size: 12px;
    opacity: 0.9;
    font-weight: 400;
}

/* 主要分支容器 */
.main-branches {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 分支容器定位 */
.branch-container {
    position: absolute;
    display: flex;
    align-items: center;
    animation: branchAppear 1s ease-out forwards;
    opacity: 0;
}

.left-top {
    top: 20%;
    left: 5%;
    animation-delay: 0.3s;
}

.right-top {
    top: 20%;
    right: 5%;
    animation-delay: 0.6s;
}

.left-bottom {
    bottom: 20%;
    left: 5%;
    animation-delay: 0.9s;
}

.right-bottom {
    bottom: 20%;
    right: 5%;
    animation-delay: 1.2s;
}

/* 分支连接线 */
.branch-line {
    width: 120px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
    position: relative;
    animation: lineGrow 1s ease-out forwards;
    transform-origin: left center;
}

.left-top .branch-line,
.left-bottom .branch-line {
    margin-right: 15px;
}

.right-top .branch-line,
.right-bottom .branch-line {
    order: 1;
    margin-left: 15px;
    transform-origin: right center;
}

/* 主题气泡样式 */
.main-topic {
    background: white;
    color: #333;
    border: 3px solid;
    font-size: 14px;
    padding: 15px 25px;
    font-weight: 700;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
    animation: topicPulse 2s ease-in-out infinite;
}

.content-topic {
    border-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.media-topic {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
}

.files-topic {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, #faf5ff, #e9d5ff);
}

.business-topic {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #fecaca);
}

/* 子分支 */
.sub-branches {
    margin-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.right-top .sub-branches,
.right-bottom .sub-branches {
    margin-left: 0;
    margin-right: 20px;
    order: 0;
}

.sub-branch {
    display: flex;
    align-items: center;
    animation: subBranchAppear 0.8s ease-out forwards;
    opacity: 0;
}

.sub-branch:nth-child(1) { animation-delay: 1.5s; }
.sub-branch:nth-child(2) { animation-delay: 1.7s; }
.sub-branch:nth-child(3) { animation-delay: 1.9s; }

.sub-line {
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #cbd5e1, transparent);
    margin-right: 8px;
}

.right-top .sub-line,
.right-bottom .sub-line {
    order: 1;
    margin-right: 0;
    margin-left: 8px;
    background: linear-gradient(-90deg, #cbd5e1, transparent);
}

.sub-topic {
    background: rgba(255, 255, 255, 0.95);
    color: #475569;
    border: 1px solid #e2e8f0;
    font-size: 12px;
    padding: 8px 15px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.sub-topic:hover {
    transform: scale(1.05);
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    color: #667eea;
}

/* 动画效果 */
@keyframes centralPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
    }
}

@keyframes branchAppear {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.right-top,
.right-bottom {
    animation-name: branchAppearRight;
}

@keyframes branchAppearRight {
    0% {
        opacity: 0;
        transform: translateX(30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes lineGrow {
    0% {
        width: 0;
        opacity: 0;
    }
    100% {
        width: 120px;
        opacity: 1;
    }
}

@keyframes topicPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes subBranchAppear {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mindmap-tree {
        height: 500px;
        transform: scale(0.8);
    }
    
    .branch-line {
        width: 80px;
    }
    
    .main-topic {
        font-size: 12px;
        padding: 12px 20px;
    }
    
    .sub-topic {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .central-bubble {
        font-size: 14px;
        padding: 15px 25px;
        min-width: 160px;
    }
    
    .central-bubble h3 {
        font-size: 16px;
    }
}

/* 重新设计的品牌理念样式 */
.philosophy-content-centered {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.philosophy-story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin: 60px 0;
    text-align: left;
}

.philosophy-story-grid .story-item {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.philosophy-story-grid .story-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.philosophy-story-grid .story-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.15);
}

.philosophy-story-grid .story-item:hover::before {
    opacity: 1;
}

.philosophy-story-grid .story-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.philosophy-story-grid .story-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.philosophy-story-grid .story-item:hover .story-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: scale(1.1);
}

.philosophy-story-grid .story-icon svg {
    width: 28px;
    height: 28px;
    color: #667eea;
    transition: color 0.3s ease;
}

.philosophy-story-grid .story-item:hover .story-icon svg {
    color: white;
}

.philosophy-story-grid .story-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
}

.philosophy-story-grid .story-content p {
    color: #64748b;
    line-height: 1.7;
    margin: 0;
    font-size: 14px;
}

.philosophy-quote {
    margin-top: 80px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
}

.philosophy-quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 80px;
    color: #667eea;
    opacity: 0.1;
    font-family: serif;
}

.philosophy-quote blockquote {
    font-size: 18px;
    font-style: italic;
    color: #374151;
    line-height: 1.8;
    margin: 0;
    text-align: center;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .philosophy-story-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin: 40px 0;
    }
    
    .philosophy-story-grid .story-item {
        padding: 25px 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .philosophy-story-grid .story-icon {
        width: 50px;
        height: 50px;
        align-self: center;
    }
    
    .philosophy-quote {
        margin-top: 50px;
        padding: 30px 20px;
    }
    
    .philosophy-quote blockquote {
        font-size: 16px;
    }
}

/* 分支树结构 */
.branch-tree {
    position: relative;
    width: 100%;
    height: 100%;
}

.tree-branch {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.left-branch {
    left: 0;
    width: 35%;
}

.right-branch {
    right: 0;
    width: 35%;
}

.branch-group {
    display: flex;
    flex-direction: column;
    gap: 40px;
    height: 450px;
    justify-content: space-between;
}

/* 分支节点卡片 */
.branch-node {
    animation: slideInLeft 0.8s ease-out forwards;
    opacity: 0;
}

.right-branch .branch-node {
    animation: slideInRight 0.8s ease-out forwards;
}

.branch-node:nth-child(1) { animation-delay: 0.2s; }
.branch-node:nth-child(2) { animation-delay: 0.4s; }
.branch-node:nth-child(3) { animation-delay: 0.6s; }

.node-card {
    background: white;
    border-radius: 16px;
    padding: 25px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.node-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(102, 126, 234, 0.2);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #667eea;
    transition: all 0.3s ease;
}

.node-card:hover .card-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: scale(1.1);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 12px 0;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-features span {
    font-size: 12px;
    color: #64748b;
    background: #f1f5f9;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.node-card:hover .card-features span {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: #667eea;
}

/* 连接线 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.tree-svg {
    width: 100%;
    height: 100%;
}

.main-trunk {
    stroke: #667eea;
    stroke-width: 4;
    opacity: 0.8;
    animation: drawLine 2s ease-out forwards;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
}

.branch-trunk {
    stroke: #667eea;
    stroke-width: 3;
    opacity: 0.6;
    animation: drawLine 2s ease-out forwards;
    stroke-dasharray: 150;
    stroke-dashoffset: 150;
    animation-delay: 0.5s;
}

.leaf-branch {
    stroke: #764ba2;
    stroke-width: 2;
    opacity: 0.5;
    animation: drawLine 1.5s ease-out forwards;
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation-delay: 1s;
}

/* 动画效果 */
@keyframes rootPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 0 25px 80px rgba(102, 126, 234, 0.4);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

@keyframes iconRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

/* 分类颜色主题 */
.branch-node[data-category="content"] .card-icon {
    color: #10b981;
}

.branch-node[data-category="content"] .node-card:hover .card-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.branch-node[data-category="media"] .card-icon {
    color: #f59e0b;
}

.branch-node[data-category="media"] .node-card:hover .card-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.branch-node[data-category="files"] .card-icon {
    color: #8b5cf6;
}

.branch-node[data-category="files"] .node-card:hover .card-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.branch-node[data-category="business"] .card-icon {
    color: #ef4444;
}

.branch-node[data-category="business"] .node-card:hover .card-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.mindmap-container {
    position: relative;
    width: 100%;
    height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 中心节点 */
.central-node {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.central-circle {
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    animation: centralPulse 4s ease-in-out infinite;
}

/* hero-visual专用：将中心节点向右下移动减少遮挡 */
.hero-visual .central-node {
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%) translate(50px, 50px);
    z-index: 10;
}

.central-icon {
    color: white;
    margin-bottom: 10px;
}

.node-circle {
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.node-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 25px 80px rgba(102, 126, 234, 0.5);
}

.node-icon {
    margin-bottom: 8px;
}

.node-title {
    font-weight: 600;
    font-size: 14px;
    color: white;
    margin-bottom: 4px;
}

.node-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

/* 主要分支 */
.main-branch {
    position: absolute;
    z-index: 5;
}

.main-node {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    animation: nodeFloat 6s ease-in-out infinite;
}

.main-node .node-title {
    font-size: 12px;
}

.main-node .node-icon {
    color: white;
}

/* 分支连接线 */
.branch-line {
    position: absolute;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.6), rgba(118, 75, 162, 0.6));
    z-index: 1;
    animation: lineGlow 3s ease-in-out infinite;
}

/* 子分支 */
.sub-branches {
    position: absolute;
    z-index: 3;
}

.sub-branch {
    position: relative;
    margin: 8px 0;
}

.sub-line {
    position: absolute;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.4), transparent);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.sub-node {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    color: #4a5568;
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
    margin-left: 35px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.sub-node:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
    background: rgba(102, 126, 234, 0.1);
}

/* 分支位置 */
.branch-1 {
    top: 15%;
    left: 15%;
    animation-delay: 0s;
}

.branch-1 .branch-line {
    width: 120px;
    height: 3px;
    top: 50%;
    left: 120px;
    transform: translateY(-50%) rotate(25deg);
    transform-origin: left center;
}

.branch-1 .sub-branches {
    top: 50%;
    left: 150px;
    transform: translateY(-50%);
}

.branch-2 {
    top: 5%;
    right: 15%;
    animation-delay: 0.5s;
}

.branch-2 .branch-line {
    width: 120px;
    height: 3px;
    top: 50%;
    right: 120px;
    transform: translateY(-50%) rotate(-25deg);
    transform-origin: right center;
}

.branch-2 .sub-branches {
    top: 50%;
    right: 150px;
    transform: translateY(-50%);
}

.branch-3 {
    bottom: 5%;
    right: 15%;
    animation-delay: 1s;
}

.branch-3 .branch-line {
    width: 120px;
    height: 3px;
    bottom: 50%;
    right: 120px;
    transform: translateY(50%) rotate(25deg);
    transform-origin: right center;
}

.branch-3 .sub-branches {
    bottom: 50%;
    right: 150px;
    transform: translateY(50%);
}

.branch-4 {
    bottom: 15%;
    left: 15%;
    animation-delay: 1.5s;
}

.branch-4 .branch-line {
    width: 120px;
    height: 3px;
    bottom: 50%;
    left: 120px;
    transform: translateY(50%) rotate(-25deg);
    transform-origin: left center;
}

.branch-4 .sub-branches {
    bottom: 50%;
    left: 150px;
    transform: translateY(50%);
}

.branch-5 {
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
    animation-delay: 2s;
}

.branch-5 .branch-line {
    width: 100px;
    height: 3px;
    top: 50%;
    left: 120px;
    transform: translateY(-50%);
}

.branch-5 .sub-branches {
    top: 50%;
    left: 140px;
    transform: translateY(-50%);
}

.branch-6 {
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    animation-delay: 2.5s;
}

.branch-6 .branch-line {
    width: 100px;
    height: 3px;
    top: 50%;
    right: 120px;
    transform: translateY(-50%);
}

.branch-6 .sub-branches {
    top: 50%;
    right: 140px;
    transform: translateY(-50%);
}

/* 动画效果 */
@keyframes centralPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 0 25px 80px rgba(102, 126, 234, 0.6);
    }
}

@keyframes nodeFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.6;
        filter: blur(0px);
    }
    50% {
        opacity: 1;
        filter: blur(1px);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .mindmap-container {
        height: 600px;
        transform: scale(0.8);
    }
    
    .central-circle {
        width: 140px;
        height: 140px;
    }
    
    .main-node {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 768px) {
    .mindmap-container {
        height: 500px;
        transform: scale(0.6);
    }
    
    .sub-node {
        font-size: 10px;
        padding: 6px 12px;
    }
}