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

:root {
    --primary-color: #00d9ff;
    --secondary-color: #0099cc;
    --accent-color: #ff6b35;
    --ai-glow: #00ff88;
    --dark-bg: #0a0e27;
    --dark-card: #141b3d;
    --text-dark: #1f2937;
    --text-light: #a0aec0;
    --text-white: #ffffff;
    --bg-light: #1a1f3a;
    --bg-white: #ffffff;
    --border-color: rgba(0, 217, 255, 0.2);
    --gradient-1: linear-gradient(135deg, #00d9ff 0%, #0099cc 50%, #005580 100%);
    --gradient-2: linear-gradient(135deg, #0a0e27 0%, #141b3d 50%, #1a1f3a 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 217, 255, 0.3) 0%, rgba(0, 255, 136, 0.3) 100%);
}

body {
    font-family: 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-white);
    background: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    min-height: 100vh;
}

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

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

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
    letter-spacing: 2px;
    white-space: nowrap;
}

.logo-main {
    display: inline;
}

.logo-sub {
    display: none;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

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

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

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.btn-login,
.btn-register {
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-login {
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-login:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.btn-register {
    background: var(--gradient-1);
    color: white;
    border: 1px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-register:hover {
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.5);
    transform: translateY(-2px);
}

/* 主视觉区域 */
.hero {
    background: var(--gradient-2);
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 217, 255, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 30px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

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

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #00d9ff 0%, #00ff88 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    text-shadow: 0 0 40px rgba(0, 217, 255, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    color: var(--text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 4rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-item {
    background: rgba(20, 27, 61, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.highlight-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.highlight-number {
    font-size: 3rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.highlight-text {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.5;
}

.hero-description {
    max-width: 900px;
    margin: 3rem auto;
    text-align: left;
    background: rgba(20, 27, 61, 0.6);
    border-left: 4px solid var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
}

.hero-description p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.hero-description p:last-child {
    margin-bottom: 0;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 10;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    position: relative;
    z-index: 10;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    border: none;
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.4);
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

/* 下载链接样式 */
.download-link {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
}

/* 视频展示区域 */
.video-section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.video-container {
    margin-top: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.3);
    background: var(--dark-card);
    padding: 20px;
}

.video-container iframe {
    border-radius: 10px;
}

/* AI团队视觉展示 */
.ai-team-visual {
    margin: 40px 0;
}

.ai-team-visual img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.3);
    transition: transform 0.3s;
}

.ai-team-visual img:hover {
    transform: scale(1.02);
}

/* 通用区块样式 */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

/* EA 界面展示 */
.panel-preview {
    padding: 4rem 0 5rem;
    background: linear-gradient(135deg, rgba(10, 14, 39, 1), rgba(0, 217, 255, 0.05));
}

.panel-preview .section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.panel-preview .section-subtitle {
    text-align: center;
    margin-bottom: 2.5rem;
}

.preview-grid {
    display: grid;
    grid-template-columns: 1.3fr 1.6fr 1.3fr;
    gap: 2rem;
    align-items: stretch;
}

.preview-main {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-main img {
    width: 100%;
    height: auto;
    border-radius: 18px;
    object-fit: cover;
}

.preview-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
}

.small-preview {
    background: var(--dark-card);
    border-radius: 18px;
    border: 1px solid var(--border-color);
    padding: 0.8rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.small-preview img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}

.panel-label {
    margin-top: 0.9rem;
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 600;
}

@media (max-width: 960px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }
}

/* AI量化革命区块 */
.ai-revolution {
    padding: 6rem 0;
    background: var(--dark-bg);
    position: relative;
}

.ai-revolution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 136, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.revolution-content {
    position: relative;
    z-index: 1;
}

.revolution-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.revolution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.revolution-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    position: relative;
    transition: all 0.4s;
    overflow: hidden;
}

.revolution-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.revolution-card.featured::before {
    content: '🌟 推荐';
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-1);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.revolution-card:hover .card-glow {
    opacity: 1;
}

.revolution-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.4);
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.5));
}

.revolution-card h3 {
    font-size: 1.8rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.revolution-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

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

.revolution-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--ai-glow);
    font-weight: bold;
    font-size: 1.2rem;
}

.revolution-cta {
    text-align: center;
    background: rgba(20, 27, 61, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.cta-text {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.cta-text strong {
    color: var(--primary-color);
}

/* 核心优势对比 */
.advantages {
    padding: 5rem 0;
    background: var(--dark-bg);
    position: relative;
}

.section-title {
    color: var(--text-white);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.section-subtitle {
    color: var(--text-light);
}

.comparison-table {
    max-width: 1250px;
    margin: 0 auto;
    background: rgba(6, 9, 30, 0.9);
    border-radius: 25px;
    overflow: hidden;
    border: 1px solid rgba(0, 217, 255, 0.25);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.55);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 1.2fr 1.1fr 1.1fr 1.3fr;
    gap: 1rem;
    padding: 1.4rem 1.8rem;
    align-items: center;
}

.comparison-header {
    background: linear-gradient(135deg, rgba(10, 42, 110, 0.95), rgba(0, 150, 255, 0.8));
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.25);
}

.comparison-header > div {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.9rem 0.3rem;
}

.comparison-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-light);
    background: rgba(10, 18, 52, 0.85);
    transition: all 0.3s;
}

.comparison-row:nth-child(even) {
    background: rgba(0, 217, 255, 0.04);
}

.comparison-row:hover {
    background: rgba(0, 217, 255, 0.12);
    transform: translateX(6px);
    box-shadow: 0 15px 30px rgba(0, 217, 255, 0.1);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row > div {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 0.5rem;
    line-height: 1.6;
    min-height: 3rem;
}

.col-feature {
    font-weight: 600;
    color: var(--text-white);
    font-size: 1rem;
}

.col-traditional-ea {
    color: #ff6b6b;
    font-weight: 500;
    font-size: 0.95rem;
}

.col-traditional {
    color: #ffa366;
    font-weight: 500;
    font-size: 0.95rem;
}

.col-our {
    color: var(--ai-glow);
    font-weight: 600;
    font-size: 0.95rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    position: relative;
}

.col-our::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    width: 3px;
    height: 100%;
    background: var(--ai-glow);
    border-radius: 2px;
    opacity: 0.6;
}

.col-feature {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    justify-content: flex-start;
    padding-right: 1rem;
}

.col-our {
    padding-left: 3rem !important;
    padding-right: 0.5rem;
}

.col-our::before {
    left: 0.5rem;
    width: 4px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.9), rgba(0, 255, 136, 0));
    opacity: 0.8;
}

@media (max-width: 768px) {
    .comparison-table.four-column .comparison-header,
    .comparison-table.four-column .comparison-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        font-size: 0.9rem;
    }
    
    .comparison-table.four-column .comparison-row > div:first-child {
        font-weight: bold;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--border-color);
    }
}

/* 核心功能展示 */
.features {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.3);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-white);
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.advantage-section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.adv-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
}

.adv-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 30px rgba(0, 217, 255, 0.2);
}

.adv-card h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.adv-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 数据统计 */
.stats {
    padding: 5rem 0;
    background: var(--gradient-2);
    color: white;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 217, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 255, 136, 0.2) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(20, 27, 61, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.stat-item:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.stat-number {
    font-size: 4rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* 招商合作 */
.partnership {
    padding: 6rem 0;
    background: var(--dark-bg);
    position: relative;
}

.partnership-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 992px) {
    .partnership-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .partnership-grid {
        grid-template-columns: 1fr;
    }
}

.partnership-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.partnership-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.partnership-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
}

.partnership-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.5));
}

.partnership-card h3 {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.partnership-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.partnership-card ul {
    list-style: none;
    text-align: left;
    padding: 0;
    margin-top: auto;
}

.partnership-card li {
    color: var(--text-light);
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-left: 1.5rem;
    position: relative;
}

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

.partnership-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.partnership-cta {
    margin-top: 4rem;
    text-align: center;
    padding: 3rem;
    background: var(--dark-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.partnership-cta .cta-text {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-modal img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 25px;
    right: 30px;
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--primary-color);
}

/* 页脚 */
.footer {
    background: var(--dark-card);
    border-top: 1px solid var(--border-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.6fr 1.4fr;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section:nth-child(2) {
    padding-right: 0.5rem;
}

.footer-section:nth-child(3) {
    margin-left: -0.8rem;
    padding-left: 0.5rem;
    padding-right: 2rem;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 0.6rem;
    line-height: 1.8;
}

.footer-section:first-child {
    padding-right: 0;
}

.footer-section:nth-child(2) {
    padding-left: 0.5rem;
}

.footer-section:nth-child(4) {
    padding-left: 0;
}

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

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

.footer-section p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.footer-qrcode-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
}

.footer-qrcode-section h4 {
    margin-bottom: 1.5rem;
    width: 100%;
    text-align: center;
}

.footer-qrcode {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.footer-qrcode-img {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    display: block;
    border-radius: 12px;
    border: 3px solid var(--primary-color);
    padding: 10px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
    transition: all 0.3s;
}

.footer-qrcode-img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-contact p {
    margin: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

.footer-bottom p {
    margin: 0;
    display: inline-block;
}

.footer-stats {
    display: inline-block;
    margin-left: 0.5rem;
    vertical-align: middle;
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

/* 通用区块样式更新 */
.section-title {
    color: var(--text-white);
}

/* 页面标题 */
.page-header {
    background: var(--gradient-2);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0.3;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.3rem;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* 功能详情页 */
.feature-detail {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.alt-bg {
    background: var(--dark-card);
    position: relative;
}

.alt-bg > .container {
    position: relative;
    z-index: 1;
}

.alt-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.feature-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.feature-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 模型流程图 */
.model-flow {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.model-item {
    background: var(--primary-color);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
}

.decision-center {
    grid-column: 1 / -1;
    background: var(--accent-color);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
}

/* 角色卡片 */
.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.role-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
}

.role-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

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

.role-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 工作流时间线 */
.workflow {
    max-width: 900px;
    margin: 3rem auto 0;
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
}

.workflow-step {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 1rem;
}

.workflow-step:last-child {
    margin-bottom: 0;
}

.workflow-number {
    position: absolute;
    left: -3.6rem;
    top: 0;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.6);
}

.workflow-body h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.workflow-body p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-highlight {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .revolution-grid {
        grid-template-columns: 1fr;
    }
    
    .pairs-visual {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .comparison-header {
        display: none;
    }
    
    .comparison-row::before {
        content: attr(data-label);
        font-weight: bold;
        color: var(--primary-color);
    }
    
    .feature-content {
        grid-template-columns: 1fr;
    }
    
    .qrcode-img {
        width: 150px;
        height: 150px;
    }
    
    .footer-qrcode-img {
        width: 140px;
        height: 140px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-qrcode-section {
        order: 3;
    }
    
    /* 移动端按钮优化 */
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    /* 移动端下载链接优化 */
    .download-link {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
    
    /* 移动端视频优化 */
    .video-container iframe {
        height: 300px !important;
    }
    
    /* 移动端导航菜单显示下载链接 */
    .nav-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        padding: 1rem;
        border-top: 1px solid var(--border-color);
    }
}

/* 货币对可视化 */
.pairs-visual {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.pair-item {
    background: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
    color: white;
    padding: 1.5rem 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    transition: transform 0.3s;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.pair-item:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.5);
}

.pair-item.expand {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.3) 0%, rgba(0, 255, 136, 0.3) 100%);
    border: 2px dashed var(--primary-color);
}

/* 策略可视化 */
.strategy-visual {
    max-width: 450px;
    margin: 0 auto;
}

.strategy-example {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.strategy-example:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.3);
}

.example-header {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.example-content {
    color: var(--text-light);
    line-height: 1.8;
    font-style: italic;
}

.arrow-down {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 1rem 0;
    animation: bounce 2s infinite;
}

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

.feature-note {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(0, 217, 255, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.feature-note p {
    color: var(--text-light);
    line-height: 1.8;
}

.feature-note strong {
    color: var(--primary-color);
}

/* 风险管理卡片 */
.risk-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.risk-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s;
}

.risk-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

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

.risk-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 教程页面 */
.tutorial-nav {
    background: var(--dark-card);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    position: sticky;
    top: 80px;
    z-index: 100;
}

.tutorial-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.8rem 2rem;
    background: var(--dark-card);
    color: var(--text-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tutorial-content {
    padding: 4rem 0;
    background: var(--dark-bg);
}

.tutorial-content.hidden {
    display: none;
}

.tutorial-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
}

.tutorial-step:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.3);
    transform: translateX(5px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 1rem;
    color: var(--text-white);
}

.step-content ol,
.step-content ul {
    margin-left: 2rem;
    line-height: 2;
    color: var(--text-light);
}

.step-content li {
    margin-bottom: 0.5rem;
}

.tutorial-note {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background: rgba(0, 217, 255, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.tutorial-note strong {
    color: var(--primary-color);
}

.tutorial-note p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0.5rem 0 0 0;
}

/* 联系页面 */
.contact-section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: all 0.3s;
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
}

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

.contact-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.wechat-qrcode {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.qrcode-img {
    width: 180px;
    height: 180px;
    margin: 0 auto 1rem;
    display: block;
    border-radius: 10px;
    border: 2px solid var(--primary-color);
    padding: 8px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.2);
    transition: all 0.3s;
}

.qrcode-img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.4);
}

.qrcode-tip {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* FAQ部分 */
.faq-section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.faq-list {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.3);
    transform: translateX(5px);
}

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

.faq-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 关于我们页面 */
.about-section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem;
    color: var(--text-white);
}

.about-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-content ul {
    margin-left: 2rem;
    line-height: 2;
    color: var(--text-light);
}

.about-content li {
    margin-bottom: 0.5rem;
}