/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e0e6ed;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1d3a 50%, #0f1419 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* AI Neural Network Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 43, 226, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(0, 255, 127, 0.05) 0%, transparent 50%);
    animation: neuralPulse 8s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: -1;
}

@keyframes neuralPulse {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(1.05); }
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* Enhanced Buttons */
.cta-button {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: linear-gradient(135deg, #00ffff 0%, #0099cc 100%);
    color: #0a0e27;
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 255, 0.4);
    background: linear-gradient(135deg, #00ffff 0%, #0088bb 100%);
}

.cta-button.secondary {
    background: rgba(0, 255, 255, 0.1);
    color: #00ffff;
    border: 2px solid rgba(0, 255, 255, 0.5);
}

.cta-button.secondary:hover {
    background: rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
    transform: translateY(-1px);
}

.cta-button.large {
    padding: 18px 36px;
    font-size: 18px;
    border-radius: 10px;
}

.cta-button.small {
    padding: 10px 20px;
    font-size: 14px;
}

.cta-link {
    color: #00ffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.cta-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00ffff;
    transition: width 0.3s ease;
}

.cta-link:hover {
    color: #00ff7f;
}

.cta-link:hover::after {
    width: 100%;
    background: #00ff7f;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    z-index: 1000;
    padding: 1rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-en {
    font-size: 0.9rem;
    color: #00ffff;
    font-weight: 400;
    opacity: 0.8;
}

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

.nav-link {
    text-decoration: none;
    color: #e0e6ed;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
}

.nav-link:hover {
    color: #00ffff;
    background: rgba(0, 255, 255, 0.1);
}

.nav-cta {
    padding: 8px 16px;
    font-size: 14px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(10, 14, 39, 0.9) 0%, rgba(26, 29, 58, 0.95) 50%, rgba(15, 20, 25, 1) 100%);
    overflow: hidden;
    padding-top: 80px; /* 为固定导航留出空间 */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.data-flow {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 255, 0.3) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.3) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, rgba(0, 255, 127, 0.3) 1px, transparent 1px);
    background-size: 80px 80px, 120px 120px, 100px 100px;
    animation: neuralFlow 25s linear infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #b0c4de;
    margin-bottom: 3rem;
    font-weight: 400;
    line-height: 1.5;
}

/* Hero Pillars - 四大支柱 */
.hero-pillars {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pillar-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 1.5rem;
    background: rgba(26, 29, 58, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.pillar-item:hover {
    background: rgba(26, 29, 58, 0.8);
    border-color: rgba(0, 255, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.15);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 50%;
    border: 2px solid rgba(0, 255, 255, 0.3);
    align-self: flex-start;
}

.pillar-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #00ffff;
    font-weight: 600;
}

.pillar-content p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
}

/* Hero Benefits */
.hero-benefits {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.benefit-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00ff7f;
    margin-bottom: 0.3rem;
    display: block;
}

.benefit-text {
    font-size: 0.9rem;
    color: #a0aec0;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.hero-cta-primary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.hero-cta-alternative {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alternative-text {
    color: #a0aec0;
    font-size: 0.9rem;
}

/* 双子星引擎样式 */
.hero-engines {
    margin: 3rem 0 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), rgba(138, 43, 226, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.engines-title {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #00ffff, #00ff7f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.engines-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.engine-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.engine-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.1);
}

.engine-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.engine-content h5 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 600;
}

.engine-content p {
    margin: 0;
    font-size: 0.9rem;
    color: #b0b8c4;
    line-height: 1.5;
}

.trust-indicators {
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.trust-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 1rem;
}

.trust-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #00ffff;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #a0aec0;
}

.trust-text {
    color: #a0aec0;
    font-size: 0.95rem;
    margin: 0;
}

/* AI Test Section */
.ai-test-section {
    padding: 6rem 0;
    background: rgba(15, 20, 25, 0.8);
    scroll-margin-top: 80px; /* 为锚点导航留出空间 */
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.test-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.test-intro p {
    font-size: 1.1rem;
    color: #b0c4de;
    max-width: 600px;
    margin: 0 auto;
}

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

.platform-test {
    background: rgba(26, 29, 58, 0.8);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.platform-test:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.platform-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.platform-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
}

.platform-icon.deepseek {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
}

.platform-icon.tongyi {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.platform-icon.wenxin {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
}

.platform-icon.doubao {
    background: linear-gradient(135deg, #059669, #10b981);
}

.platform-icon.yuanbao {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.platform-icon.kimi {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.platform-icon.optimized {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    font-size: 1.2rem;
}

.platform-header h4 {
    margin: 0;
    font-size: 1.1rem;
}

.test-query {
    margin-bottom: 1rem;
}

.query-text {
    font-style: italic;
    color: #a0aec0;
    font-size: 0.95rem;
}

.test-result {
    padding: 1rem;
    border-radius: 8px;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.test-result.optimized {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.result-status {
    font-weight: 600;
    font-size: 0.9rem;
}

.test-result.missing .result-status {
    color: #ef4444;
}

.test-result.optimized .result-status {
    color: #10b981;
}

.optimization-preview {
    background: rgba(26, 29, 58, 0.9);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    border: 2px solid rgba(0, 255, 127, 0.3);
}

.optimization-preview h4 {
    text-align: center;
    margin-bottom: 2rem;
    color: #00ff7f;
}

.optimized-result {
    max-width: 600px;
    margin: 0 auto;
}

.result-content {
    margin-bottom: 1rem;
}

.brand-mention {
    color: #00ff7f;
    font-weight: 600;
}

.result-status.featured {
    color: #00ff7f;
}

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

.cta-note {
    margin-top: 1rem;
    color: #a0aec0;
    font-size: 0.9rem;
}

/* Solutions Section */
.solutions {
    padding: 6rem 0;
    background: rgba(10, 14, 39, 0.9);
    scroll-margin-top: 80px; /* 为锚点导航留出空间 */
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.solution-card {
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 255, 255, 0.4);
}

.solution-card.featured {
    border: 2px solid #00ffff;
    transform: scale(1.02);
}

.solution-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05) 0%, rgba(0, 255, 127, 0.05) 100%);
    pointer-events: none;
}

.card-header {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 29, 58, 0.9) 0%, rgba(15, 20, 25, 0.9) 100%);
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    color: #0a0e27;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.card-header h4 {
    margin: 0;
    flex-grow: 1;
}

.price-tag {
    background: rgba(0, 255, 255, 0.2);
    color: #00ffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #0a0e27;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.card-content {
    padding: 2rem;
}

.card-description {
    color: #b0c4de;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.card-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.deliverables h5 {
    color: #00ffff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.deliverables ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.deliverables li {
    padding: 0.5rem 0;
    color: #a0aec0;
    position: relative;
    padding-left: 1.5rem;
}

.deliverables li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00ff7f;
    font-weight: 600;
}

.expected-roi {
    background: rgba(0, 255, 127, 0.1);
    border: 1px solid rgba(0, 255, 127, 0.3);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.roi-label {
    display: block;
    font-size: 0.9rem;
    color: #a0aec0;
    margin-bottom: 0.5rem;
}

.roi-value {
    font-weight: 600;
    color: #00ff7f;
    font-size: 1.1rem;
}

.card-footer {
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.card-footer .cta-button {
    width: 100%;
    justify-content: center;
}

/* Twin Products */
.twin-products {
    background: rgba(26, 29, 58, 0.6);
    border-radius: 16px;
    padding: 3rem;
    border: 1px solid rgba(0, 255, 127, 0.2);
}

.products-title {
    text-align: center;
    margin-bottom: 2rem;
    color: #00ff7f;
}

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

.engine-description {
    text-align: center;
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 127, 0.2);
}

.engine-description p {
    color: #b0c4de;
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
}

.products-intro {
    color: #b0c4de;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    text-align: center;
    padding: 0 2rem;
}

.workflow-steps {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 127, 0.3);
}

.workflow-steps h5 {
    text-align: center;
    color: #00ff7f;
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background: rgba(26, 29, 58, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 255, 255, 0.4);
}

.step-number {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    color: #0a0e27;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.step-item p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.product-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 127, 0.3);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 255, 127, 0.5);
}

.product-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.product-content h5 {
    color: #00ff7f;
    margin-bottom: 0.5rem;
}

.product-content p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.95rem;
}

/* Results Section */
.results {
    padding: 6rem 0;
    background: rgba(15, 20, 25, 0.9);
    scroll-margin-top: 80px; /* 为锚点导航留出空间 */
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 255, 0.4);
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    color: #b0c4de;
    font-size: 1rem;
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.case-study {
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.case-header h4 {
    color: #00ffff;
    margin: 0;
}

.case-tag {
    background: rgba(0, 255, 127, 0.2);
    color: #00ff7f;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.case-content {
    display: grid;
    gap: 1.5rem;
}

.case-challenge h5,
.case-solution h5,
.case-results h5 {
    color: #00ffff;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.case-challenge p,
.case-solution p {
    color: #a0aec0;
    margin: 0;
}

.case-results ul {
    list-style: none;
    margin: 0;
}

.case-results li {
    padding: 0.3rem 0;
    color: #a0aec0;
    position: relative;
    padding-left: 1.5rem;
}

.case-results li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00ff7f;
    font-weight: 600;
}

.testimonials {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial blockquote {
    font-size: 1.2rem;
    font-style: italic;
    color: #b0c4de;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.testimonial cite {
    color: #a0aec0;
    font-size: 0.95rem;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: rgba(10, 14, 39, 0.9);
    scroll-margin-top: 80px; /* 为锚点导航留出空间 */
}

.company-overview {
    max-width: 900px;
    margin: 0 auto;
}

.company-intro {
    margin-bottom: 4rem;
    text-align: center;
}

.company-description, 
.company-mission {
    color: #b0c4de;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.company-advantages {
    margin-bottom: 4rem;
}

.company-advantages h4 {
    text-align: center;
    color: #00ff7f;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 255, 0.4);
}

.advantage-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.advantage-content h5 {
    color: #00ffff;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.advantage-content p {
    color: #a0aec0;
    margin: 0;
    line-height: 1.6;
}

.company-vision {
    text-align: center;
    padding: 2rem;
    background: rgba(26, 29, 58, 0.6);
    border-radius: 16px;
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.company-vision h4 {
    color: #8a2be2;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.company-vision p {
    color: #b0c4de;
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
}

.team-section {
    margin-bottom: 4rem;
}

.team-member {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.member-photo {
    text-align: center;
}

.photo-placeholder {
    width: 180px;
    height: 180px;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    font-size: 0.9rem;
    border: 2px solid rgba(0, 255, 255, 0.3);
}

.member-info h4 {
    color: #00ffff;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.member-credentials {
    display: grid;
    gap: 1rem;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.credential-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.tech-advantage {
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    padding: 3rem;
    border: 1px solid rgba(0, 255, 127, 0.2);
}

.tech-advantage h4 {
    color: #00ff7f;
    margin-bottom: 2rem;
    text-align: center;
}

.advantage-content p {
    color: #b0c4de;
    margin-bottom: 2rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

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

.tech-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.tech-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-content h5 {
    color: #00ff7f;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.tech-content p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.9rem;
}

/* Insights Section */
.insights {
    padding: 6rem 0;
    background: rgba(15, 20, 25, 0.9);
    scroll-margin-top: 80px; /* 为锚点导航留出空间 */
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(138, 43, 226, 0.2);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(138, 43, 226, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.blog-image {
    height: 200px;
    overflow: hidden;
    border-radius: 16px 16px 0 0;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.2), rgba(0, 255, 255, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    font-size: 0.9rem;
}

.blog-content {
    padding: 2rem;
}

.blog-content h4 {
    color: #e0e6ed;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.blog-excerpt {
    color: #a0aec0;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.blog-date,
.blog-category {
    font-size: 0.8rem;
    color: #8a2be2;
    background: rgba(138, 43, 226, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
}

.blog-footer {
    padding: 0 2rem 2rem;
}

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

/* Final CTA Section */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.98) 0%, rgba(26, 29, 58, 0.95) 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-hero {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.cta-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.cta-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

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

.growth-chart {
    display: flex;
    align-items: end;
    gap: 0.5rem;
    height: 80px;
}

.chart-bar {
    width: 16px;
    background: linear-gradient(to top, #00ffff 0%, #00ff7f 100%);
    border-radius: 2px 2px 0 0;
    animation: growUp 1.5s ease-out;
    animation-delay: calc(var(--i, 0) * 0.2s);
}

@keyframes growUp {
    from { height: 0%; }
    to { height: var(--height); }
}

.cta-content {
    text-align: left;
}

.cta-content h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: #b0c4de;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.urgency-indicators {
    display: grid;
    gap: 1rem;
    margin-bottom: 3rem;
}

.indicator-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(26, 29, 58, 0.6);
    border-radius: 8px;
    border-left: 3px solid #fbbf24;
    transition: all 0.3s ease;
}

.indicator-item:hover {
    background: rgba(26, 29, 58, 0.8);
    transform: translateX(5px);
}

.indicator-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.cta-actions {
    display: grid;
    gap: 2rem;
}

.primary-action {
    text-align: center;
}

.cta-promise {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: #a0aec0;
    font-size: 0.9rem;
}

.promise-icon {
    color: #00ff7f;
    font-weight: bold;
}

.alternative-actions {
    text-align: center;
}

.alternative-title {
    color: #a0aec0;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.button-icon {
    margin-right: 0.5rem;
}

/* 增强按钮样式 */
.cta-button.secondary.enhanced {
    padding: 1rem 2rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    text-align: left;
    max-width: 320px;
    margin: 0 auto;
}

.cta-button.secondary.enhanced .button-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.cta-button.secondary.enhanced .button-text {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
}

.cta-button.secondary.enhanced .button-text strong {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.cta-button.secondary.enhanced .button-text small {
    font-size: 0.8rem;
    opacity: 0.8;
    font-weight: normal;
}

.contact-footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #a0aec0;
    font-size: 0.95rem;
}

.method-icon {
    font-size: 1.1rem;
}


.cta-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
}

.cta-primary .cta-note {
    margin-top: 1rem;
    color: #a0aec0;
    font-size: 0.9rem;
    font-style: italic;
}

.secondary-intro {
    color: #a0aec0;
    margin-bottom: 1rem;
}

.secondary-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.contact-alternatives {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.wechat-contact,
.phone-contact {
    text-align: center;
}

.wechat-contact span,
.phone-contact span {
    display: block;
    color: #a0aec0;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.qr-placeholder {
    width: 100px;
    height: 100px;
    background: rgba(26, 29, 58, 0.8);
    border: 2px dashed rgba(0, 255, 255, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    font-size: 0.8rem;
    text-align: center;
    line-height: 1.2;
}

.qr-note,
.phone-note {
    color: #6b7280;
    font-size: 0.8rem;
    margin: 0;
}

.phone-number {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.phone-number strong {
    color: #00ffff;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #a0aec0;
}

.contact-icon {
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: rgba(5, 7, 15, 0.95);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-slogan {
    color: #a0aec0;
    font-style: italic;
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: #00ffff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #00ffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #6b7280;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* GEO Diagnosis Section */
.geo-diagnosis-section {
    padding: 6rem 0;
    background: rgba(15, 20, 25, 0.9);
    scroll-margin-top: 80px;
}

.section-subtitle {
    text-align: center;
    color: #b0c4de;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.diagnosis-overview {
    max-width: 1000px;
    margin: 0 auto;
}

.diagnosis-intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.intro-content h4 {
    color: #00ffff;
    margin-bottom: 0.5rem;
}

.intro-content p {
    color: #a0aec0;
    margin: 0;
}

.diagnosis-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.diagnosis-pillar {
    text-align: center;
    padding: 1.5rem;
    background: rgba(26, 29, 58, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.diagnosis-pillar:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 255, 0.4);
}

.diagnosis-pillar .pillar-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.diagnosis-pillar h5 {
    color: #00ffff;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.diagnosis-pillar p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.9rem;
}

.diagnosis-deliverables h4 {
    text-align: center;
    color: #00ff7f;
    margin-bottom: 2rem;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.deliverable-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 255, 127, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 127, 0.3);
}

.deliverable-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.deliverable-item h5 {
    color: #00ff7f;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.deliverable-item p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.9rem;
}

/* 已移除表单相关样式 - 使用微信转化替代 */

/* Methodology Section */
.methodology-section {
    padding: 6rem 0;
    background: rgba(10, 14, 39, 0.9);
    scroll-margin-top: 80px;
}

.methodology-overview {
    max-width: 1000px;
    margin: 0 auto;
}

.paradigm-shift {
    margin-bottom: 4rem;
}

.paradigm-shift h4 {
    text-align: center;
    color: #00ffff;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.comparison-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.comparison-card {
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid;
}

.comparison-card.old {
    background: rgba(220, 38, 38, 0.1);
    border-color: rgba(220, 38, 38, 0.3);
}

.comparison-card.new {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

/* 双子星驱动说明样式 */
.twin-stars-intro {
    margin: 3rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.05), rgba(0, 255, 255, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(138, 43, 226, 0.2);
    position: relative;
}

.twin-stars-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.03), rgba(0, 255, 255, 0.03));
    border-radius: 16px;
    z-index: -1;
}

.twin-stars-intro h4 {
    text-align: center;
    margin-bottom: 1rem;
    color: #ffffff;
    font-size: 1.5rem;
}

.intro-text {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: #b0b8c4;
    line-height: 1.6;
}

.twin-connection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.connection-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.connection-item:hover {
    transform: translateY(-2px);
    border-color: rgba(138, 43, 226, 0.3);
    box-shadow: 0 8px 25px rgba(138, 43, 226, 0.1);
}

.connection-icon {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.connection-content h5 {
    margin: 0 0 0.75rem 0;
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 600;
}

.connection-content p {
    margin: 0;
    font-size: 0.95rem;
    color: #b0b8c4;
    line-height: 1.6;
}

.connection-content strong {
    color: #00ffff;
    font-weight: 600;
}

.comparison-card h5 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.comparison-card.old h5 {
    color: #ef4444;
}

.comparison-card.new h5 {
    color: #10b981;
}

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

.comparison-card li {
    padding: 0.3rem 0;
    color: #a0aec0;
    font-size: 0.9rem;
}

.four-pillars {
    margin-bottom: 4rem;
}

.four-pillars h4 {
    text-align: center;
    color: #00ff7f;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

.methodology-pillar {
    padding: 2rem;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.methodology-pillar:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 255, 0.4);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.methodology-pillar .pillar-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.methodology-pillar h5 {
    color: #00ffff;
    margin: 0;
    font-size: 1.1rem;
}

.methodology-pillar > p {
    color: #b0c4de;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.methodology-pillar ul {
    list-style: none;
    padding-left: 0;
}

.methodology-pillar li {
    padding: 0.2rem 0;
    color: #a0aec0;
    font-size: 0.85rem;
    position: relative;
    padding-left: 1rem;
}

.methodology-pillar li::before {
    content: "•";
    color: #00ffff;
    position: absolute;
    left: 0;
}

.implementation-path h4 {
    text-align: center;
    color: #8a2be2;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.path-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.path-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(138, 43, 226, 0.3);
    min-width: 200px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #8a2be2;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h5 {
    color: #8a2be2;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.step-content p {
    color: #a0aec0;
    margin: 0;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-pillars {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1rem;
    }
    
    .pillar-item {
        padding: 1rem;
    }
    
    .pillar-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .hero-benefits {
        flex-direction: column;
        gap: 1rem;
    }
    
    .diagnosis-intro {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .diagnosis-pillars {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .deliverables-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-cards {
        grid-template-columns: 1fr;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .path-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-value-props {
        grid-template-columns: 1fr;
    }
    
    .trust-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .case-studies {
        grid-template-columns: 1fr;
    }
    
    .team-member {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-options {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-alternatives {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    /* 双子星响应式 */
    .engines-grid, .twin-connection {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-engines, .twin-stars-intro {
        padding: 1.5rem;
        margin: 2rem 0 1.5rem 0;
    }
    
    .engines-title, .twin-stars-intro h4 {
        font-size: 1.2rem;
    }
    
    .intro-text {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .cta-content {
        text-align: center;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-methods {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-cta-alternative {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .nav-menu {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .value-prop {
        padding: 1rem;
    }
    
    .solution-card,
    .case-study,
    .tech-advantage {
        padding: 1.5rem;
    }
}
/* S
olution Detail Pages */
.solution-detail {
    padding: 6rem 0 4rem;
    background: rgba(10, 14, 39, 0.9);
    min-height: 100vh;
}

.breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #a0aec0;
}

.breadcrumb a {
    color: #00ffff;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.solution-hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.solution-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00ffff 0%, #00ff7f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-subtitle {
    font-size: 1.2rem;
    color: #b0c4de;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.price-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00ffff;
}

.price-note {
    color: #a0aec0;
    font-size: 1rem;
}

.recommended-badge {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #0a0e27;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.premium-badge {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

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

.content-section {
    margin-bottom: 3rem;
    background: rgba(26, 29, 58, 0.6);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.content-section h2 {
    color: #00ffff;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.service-items {
    display: grid;
    gap: 1.5rem;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.service-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.service-content h3 {
    color: #00ff7f;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.service-content p {
    color: #a0aec0;
    margin: 0;
    line-height: 1.6;
}

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

.deliverables-list li {
    padding: 0.8rem 0;
    color: #a0aec0;
    position: relative;
    padding-left: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.deliverables-list li:last-child {
    border-bottom: none;
}

.deliverables-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00ff7f;
    font-weight: 600;
    font-size: 1.1rem;
}

.expected-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    text-align: center;
}

.result-item {
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 127, 0.3);
}

.result-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #00ff7f;
    margin-bottom: 0.5rem;
}

.result-desc {
    color: #a0aec0;
    font-size: 0.9rem;
}

.target-audience {
    display: grid;
    gap: 0.8rem;
}

.target-audience p {
    margin: 0;
    color: #a0aec0;
    padding: 0.8rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 6px;
    border-left: 3px solid #00ff7f;
}

.service-advantages {
    display: grid;
    gap: 1.5rem;
}

.advantage-item {
    padding: 1.5rem;
    background: rgba(15, 20, 25, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.advantage-item h4 {
    color: #a855f7;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.advantage-item p {
    color: #a0aec0;
    margin: 0;
    line-height: 1.6;
}

.solution-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: rgba(26, 29, 58, 0.8);
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.solution-cta .cta-note {
    margin-top: 1rem;
    color: #a0aec0;
    font-size: 0.9rem;
    font-style: italic;
}

.nav-actions {
    display: flex;
    align-items: center;
}

/* Responsive Design for Solution Pages */
@media (max-width: 768px) {
    .solution-hero h1 {
        font-size: 2rem;
    }
    
    .price-highlight {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .service-item {
        flex-direction: column;
        text-align: center;
    }
    
    .expected-results {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 1.5rem;
    }
    
    .solution-cta {
        padding: 2rem;
    }
}

/* 模态框基础样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal {
    background: linear-gradient(135deg, #1a1d3a 0%, #2d1b69 100%);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.3s ease;
}

/* 高价值咨询模态框（获客助手）更大尺寸 */
.modal:has(.acq) {
    max-width: 650px; /* 增加宽度 */
    max-height: 95vh; /* 增加高度 */
}

.modal-header {
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: #00ffff;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: #888;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.modal-body {
    padding: 1.5rem 2rem 2rem;
}

/* 企业微信相关样式已移除 - 统一使用微信二维码弹窗 */

/* 微信二维码弹窗样式 */
.wechat-modal {
    text-align: center;
}

/* 企业微信获客助手 iframe 样式 */
.iframe-wrap {
    width: 100%;
    max-width: 580px; /* 增加宽度 10% */
    margin: 0 auto 1rem;
    height: 650px; /* 固定高度，增加 15-20% */
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 12px;
    overflow: hidden;
}

.wework-iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: transparent;
}

.wework-fallback {
    margin-top: 0.5rem;
}

.fallback-text {
    color: #b0b8c0;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}

.wework-open-btn {
    background: linear-gradient(135deg, #007acc, #1e90ff);
    color: #fff;
    border: none;
    padding: 0.7rem 1.2rem;
    border-radius: 22px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.wework-open-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.35);
}

.wechat-qr-container {
    padding: 1rem 0;
}

.wechat-qr-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(7, 193, 96, 0.2);
    border: 2px solid rgba(7, 193, 96, 0.3);
}

.wechat-qr-container h3 {
    color: #07c160;
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.wechat-desc {
    color: #b0b8c0;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
}

.wechat-features {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1.5rem 1rem;
    background: rgba(7, 193, 96, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(7, 193, 96, 0.15);
}

.wechat-services {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(0, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.services-title {
    color: #00ffff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.services-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.service-tag {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(7, 193, 96, 0.1));
    color: #e0e6ed;
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
    white-space: nowrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #e0e6ed;
    flex: 1;
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, #07c160, #38d76a);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(0);
}

/* 微信按钮样式 */
.wechat-button {
    background: linear-gradient(135deg, #07c160, #38d76a);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.wechat-button:hover {
    background: linear-gradient(135deg, #06a84f, #2fc65a);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(7, 193, 96, 0.3);
}

.wechat-button .button-icon {
    font-size: 1.1rem;
}

/* 页脚微信二维码样式 */
.footer-wechat {
    margin-top: 1rem;
    text-align: center;
}

.footer-wechat-qr {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    margin: 0.5rem auto;
    display: block;
}

.footer-wechat-text {
    font-size: 0.8rem;
    color: #888;
    margin-top: 0.5rem;
}

/* 微信弹窗响应式 */
@media (max-width: 768px) {
    .modal {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
    
    /* 高价值咨询模态框在移动端的特殊处理 */
    .modal:has(.acq) {
        max-width: calc(100% - 2rem);
        max-height: 85vh;
    }
    
    .iframe-wrap {
        max-width: 100%;
        height: 450px; /* 移动端调整高度 */
    }
    
    .modal-header {
        padding: 1rem 1.5rem 0.5rem;
    }
    
    .modal-body {
        padding: 1rem 1.5rem 1.5rem;
    }
    
    .wechat-features {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .wechat-features .feature-item {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
        text-align: left;
    }
    
    .wechat-services {
        padding: 1rem;
    }
    
    .services-list {
        gap: 0.4rem;
    }
    
    .service-tag {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
    
    .wechat-qr-image {
        width: 160px;
        height: 160px;
    }
    
    .footer-wechat-qr {
        width: 60px;
        height: 60px;
    }
}