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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --tech-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --purple-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --dark-bg: #0a0e27;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(79, 172, 254, 0.4));
}

/* Logo动态效果 */
.logo-glow {
    animation: logoGlowPulse 3s ease-in-out infinite;
}

.logo-q {
    animation: logoQFloat 4s ease-in-out infinite;
}

.logo-tail {
    animation: logoTailWave 2.5s ease-in-out infinite;
}

.logo-arrow {
    animation: logoArrowMove 2s ease-in-out infinite;
    transform-origin: 50% 50%;
}

.logo-dot {
    animation: logoDotPulse 2s ease-in-out infinite;
}

.logo-dot.dot1 {
    animation-delay: 0s;
}

.logo-dot.dot2 {
    animation-delay: 0.7s;
}

.logo-dot.dot3 {
    animation-delay: 1.4s;
}

@keyframes logoGlowPulse {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.1);
    }
}

@keyframes logoQFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-2px) rotate(1deg);
    }
}

@keyframes logoTailWave {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(1px) translateY(-1px);
    }
}

@keyframes logoArrowMove {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translateY(-3px) scale(1.05);
        opacity: 0.9;
    }
}

@keyframes logoDotPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.logo-text {
    color: #1a3a5e;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-gradient);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--tech-gradient);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--secondary-gradient);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-icon {
    width: 240px;
    height: 240px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: heroLogoPulse 3s ease-in-out infinite;
}

.hero-logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 40px rgba(79, 172, 254, 0.5)) 
            drop-shadow(0 0 20px rgba(67, 233, 123, 0.4))
            drop-shadow(0 0 10px rgba(0, 242, 254, 0.3));
}

/* Hero Logo动态效果 */
.hero-glow {
    animation: heroGlowPulse 4s ease-in-out infinite;
}

.hero-glow.glow1 {
    animation-delay: 0s;
}

.hero-glow.glow2 {
    animation-delay: 1s;
}

.hero-logo-q {
    animation: heroLogoQFloat 5s ease-in-out infinite;
}

.hero-logo-tail {
    animation: heroLogoTailWave 3s ease-in-out infinite;
}

.hero-logo-arrow {
    animation: heroLogoArrowMove 2.5s ease-in-out infinite;
    transform-origin: 50% 50%;
}

.hero-logo-dot {
    animation: heroLogoDotPulse 2.5s ease-in-out infinite;
}

.hero-logo-dot.dot1 {
    animation-delay: 0s;
}

.hero-logo-dot.dot2 {
    animation-delay: 0.5s;
}

.hero-logo-dot.dot3 {
    animation-delay: 1s;
}

.hero-logo-dot.dot4 {
    animation-delay: 1.5s;
}

.hero-logo-dot.dot5 {
    animation-delay: 2s;
}

@keyframes heroLogoPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes heroGlowPulse {
    0%, 100% {
        opacity: 0.15;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.15);
    }
}

@keyframes heroLogoQFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-4px) rotate(2deg);
    }
}

@keyframes heroLogoTailWave {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(2px) translateY(-2px);
    }
}

@keyframes heroLogoArrowMove {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translateY(-5px) scale(1.08);
        opacity: 0.95;
    }
}

@keyframes heroLogoDotPulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(102, 126, 234, 0);
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

/* Hero统计数据 */
.hero-metrics {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-item {
    text-align: center;
    min-width: 150px;
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.metric-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-gradient);
}

.btn-outline:hover {
    background: var(--primary-gradient);
}

/* 四大板块 */
.core-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.section-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.section-card:hover {
    transform: translateY(-10px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-description {
    text-align: center;
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 卡片描述文本 */
.position-desc,
.service-desc,
.audience-desc,
.resource-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 公司定位 */
.positioning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.position-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
}

.position-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.position-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.position-card h3 {
    margin-top: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.position-card ul {
    list-style: none;
}

.position-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.position-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #667eea;
}

/* 服务范围 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4facfe;
    font-weight: bold;
}

/* 面向群体 */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.audience-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.audience-card.toc {
    border-left: 4px solid #667eea;
}

.audience-card.tob {
    border-left: 4px solid #f5576c;
}

.audience-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.audience-card ul {
    list-style: none;
}

.audience-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.audience-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-size: 1.5rem;
}

/* 专家卡片 - 循环滚动容器 */
.experts-scroll-wrapper {
    overflow: hidden;
    position: relative;
    padding: 2rem 0;
    margin: 0 -20px;
}

.experts-scroll-wrapper::before,
.experts-scroll-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.experts-scroll-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--dark-bg), transparent);
}

.experts-scroll-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--dark-bg), transparent);
}

.experts-scroll {
    display: flex;
    gap: 2rem;
    animation: scrollExperts 30s linear infinite;
    width: fit-content;
}

.experts-scroll:hover {
    animation-play-state: paused;
}

@keyframes scrollExperts {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100% / 2));
    }
}

.expert-card {
    perspective: 1000px;
    height: 350px;
    min-width: 280px;
    flex-shrink: 0;
}

.expert-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.expert-card:hover .expert-card-inner {
    transform: rotateY(180deg);
}

.expert-front,
.expert-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.expert-back {
    transform: rotateY(180deg);
}

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.expert-card:hover .expert-avatar {
    transform: scale(1.1) rotate(5deg);
}

.expert-avatar::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    top: 0;
    left: 0;
    animation: avatarPulse 2s infinite;
}

@keyframes avatarPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.expert-title {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.expert-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.5);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.expert-back h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.expert-back p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 资源优势 */
.resources-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.resource-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.partner-logo {
    padding: 0.8rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-3px);
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(102, 126, 234, 0.1);
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.industry-tag {
    padding: 0.5rem 1rem;
    background: var(--primary-gradient);
    border-radius: 20px;
    color: white;
    font-size: 0.9rem;
}

/* 课程与服务 */
.pricing-section {
    margin-bottom: 4rem;
}

.pricing-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    color: var(--text-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.pricing-card h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.pricing-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
}

.price-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.price-value {
    color: var(--text-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

.service-comparison {
    margin-top: 4rem;
}

.service-comparison h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.comparison-table {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.comparison-row.header {
    background: var(--primary-gradient);
}

.comparison-cell {
    padding: 1rem;
    background: var(--card-bg);
    color: var(--text-secondary);
    text-align: center;
}

.comparison-row.header .comparison-cell {
    background: transparent;
    color: white;
    font-weight: bold;
}

/* 企业服务 */
.enterprise-pricing {
    margin-bottom: 4rem;
}

.enterprise-pricing h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    color: var(--text-primary);
}

.enterprise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.enterprise-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.enterprise-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.enterprise-card h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.enterprise-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.enterprise-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.enterprise-cta {
    text-align: center;
}

.enterprise-industries {
    margin-top: 4rem;
}

.enterprise-industries h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.industries-scroll {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
    scroll-behavior: smooth;
}

.industries-scroll::-webkit-scrollbar {
    height: 8px;
}

.industries-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.industries-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 10px;
}

.industry-item {
    min-width: 200px;
    padding: 1rem 2rem;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    text-align: center;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.industry-item:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.5);
    transform: scale(1.05);
}

/* 核心优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.advantage-card p {
    color: var(--text-secondary);
}

/* 咨询表单 */
.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info-centered {
    width: 100%;
    max-width: 500px;
    display: flex;
    justify-content: center;
}

.contact-form {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
    text-align: center;
}

.form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-method p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.wechat-qr {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-placeholder {
    width: 200px;
    height: auto;
    min-height: 200px;
    margin: 0 auto 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    position: relative;
}

.qr-image {
    width: 100%;
    height: auto;
    max-width: 180px;
    border-radius: 10px;
    margin-bottom: 0.5rem;
}

.qr-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-text {
    font-size: 0.85rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.qr-instruction {
    font-size: 0.75rem;
    color: #666;
    text-align: center;
    line-height: 1.5;
}

.wechat-id {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.wechat-id:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(79, 172, 254, 0.5);
}

.wechat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.wechat-value {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.1em;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
}

.copy-btn:hover {
    color: #4facfe;
    background: rgba(79, 172, 254, 0.1);
    transform: scale(1.1);
}

.wechat-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.6;
    margin-top: 1rem;
}

/* 页脚 */
.footer {
    background: rgba(10, 14, 39, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        padding: 2rem;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .core-sections {
        grid-template-columns: 1fr;
    }

    .contact-content {
        padding: 0 1rem;
    }

    .contact-info-centered {
        max-width: 100%;
    }

    .qr-placeholder {
        width: 180px;
        height: 180px;
    }

    .wechat-id {
        flex-wrap: wrap;
        padding: 0.6rem 1rem;
    }

    .wechat-value {
        font-size: 1rem;
    }

    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-cell {
        text-align: left;
    }

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

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

    /* 专家滚动区域移动端优化 */
    .experts-scroll-wrapper {
        margin: 0 -10px;
        padding: 1rem 0;
    }

    .experts-scroll-wrapper::before,
    .experts-scroll-wrapper::after {
        width: 50px;
    }

    .expert-card {
        min-width: 250px;
        height: 320px;
    }

    .expert-avatar {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .experts-scroll {
        gap: 1.5rem;
        animation-duration: 25s;
    }

    /* Hero统计数据移动端优化 */
    .hero-metrics {
        gap: 2rem;
        padding-top: 2rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .metric-label {
        font-size: 0.85rem;
    }
}

/* 滚动动画 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: slideInUp 0.6s ease-out;
}