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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 754px;
    display: flex;
    align-items: center;
    color: #fdfdfd;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(127, 119, 107, 0.1);
}

.hero-content {
    width: 100%;
    padding: 60px 0;
}

.hero-text {
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 1000;
    margin-bottom: 30px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 40px;
    line-height: 1.4;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #fdfdfd;
    color: #0a2c5a;
}

.btn-primary:hover {
    background-color: #e8e8e8;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #0a2c5a;
    color: #fdfdfd;
}

.btn-secondary:hover {
    background-color: #0d3a6b;
    transform: translateY(-2px);
}

.btn-info {
    background-color: rgb(0, 44, 88); /* 新的RGB颜色值 */
    color: #fdfdfd;
}

.btn-info:hover {
    background-color: rgb(0, 54, 108); /* 稍微亮一点的颜色用于悬停效果 */
    transform: translateY(-2px);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 50px;
    color: #666;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    
}
.feature-section.feature-icon{
    background: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    margin: 0 auto 20px auto !important;
}
.plain-icon {
    filter: none;      /* 移除任何滤镜效果 */
    border-radius: 0;  /* 移除圆角 - 这会与上面的border-radius: 50%冲突 */
    background: none;  /* 移除背景色 - 这会移除蓝色背景 */
}



.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Industry Section */
.industry-section {
    padding: 80px 0;
}

.industry-tabs {
    margin-top: 50px;
}

.tab-navigation {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #eaeaea;
    flex-wrap: wrap;
}

.tab-button {
    background: none;
    border: none;
    padding: 15px 25px;
    margin: 0 10px;
    font-size: 18px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-button:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 3px;
    background: #3a7aff;
    transition: all 0.3s;
}

.tab-button.active {
    color: #3a7aff;
    font-weight: 600;
}

.tab-button.active:after {
    width: 100%;
}

.tab-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s;
}

.tab-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tab-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.tab-text p {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.tab-text ul {
    list-style: none;
}

.tab-text li {
    color: #666;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.tab-text li:before {
    content: '✅';
    position: absolute;
    left: 0;
    top: 0;
}

.tab-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Demo Section */
.demo-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.demo-container {
    margin-top: 50px;
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.conversation-section, .analysis-section {
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.conversation-section {
    background: #fafafa;
    border: 1px solid #e1e5e9;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.demo-section-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
    font-weight: 600;
}

.recording-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #dc2626;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.2);
}

.conversation-container {
    max-height: none;
    overflow-y: visible;
    padding: 0 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.message {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
}

.sales-message {
    flex-direction: row;
    justify-content: flex-start;
}

.customer-message {
    flex-direction: row;
    justify-content: flex-end;
}

.message:last-child {
    margin-bottom: 0;
}

.message:nth-child(3) {
    margin-bottom: 15px;
}

.message:nth-child(4) {
    margin-bottom: 10px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.sales-message .avatar {
    background: #3a7aff;
}

.customer-message .avatar {
    background-color: #7d7d7d !important;
    margin-left: 10px;
    order: 2;
}

.message-content {
    max-width: 75%;
    padding: 12px 15px;
    border-radius: 12px;
    margin: 0;
}

.sales-message .message-content {
    background: #f5f5f5;
    border-color: #e2e8f0;
}

.customer-message .message-content {
    background-color: #e6f2ff;
    text-align: left;
    order: 1;
    border-radius: 12px;
    border: none;
}

.message-content p {
    margin: 0 0 5px;
    line-height: 1.5;
}

.timestamp {
    font-size: 12px;
    color: #888;
    display: block;
    margin-top: 4px;
}

.customer-message .timestamp {
    text-align: right;
}

.analysis-card {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid #e1e5e9;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    flex: 1;
}

.analysis-card:last-of-type {
    margin-bottom: 0;
}

.key-points-card {
    background: #f8f9fa;
}

.analysis-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.analysis-icon {
    font-size: 20px;
    margin-right: 10px;
}

.analysis-header h4 {
    font-size: 1.125rem;
    color: #333;
}

.language-options {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.language-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 500;
}

.language-btn.active {
    background: #3a7aff;
    color: white;
    border-color: #3a7aff;
    box-shadow: 0 2px 4px rgba(58, 122, 255, 0.3);
}

.translation-status {
    font-size: 14px;
    color: #666;
}

.key-points-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.key-point-item {
    display: flex;
    align-items: center;
}

.check-mark {
    color: #28a745;
    font-weight: bold;
    margin-right: 10px;
}

.point-text {
    color: #333;
    font-size: 14px;
}

.suggestion-box {
    background: #fff3cd;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid #ffc107;
}

.suggestion-box p {
    margin: 0;
    color: #333;
    font-size: 14px;
    line-height: 1.5;
}

.demo-button-container {
    text-align: center;
    margin-top: auto;
    padding-top: 20px;
}

.demo-button {
    background: #3a7aff;
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.demo-button:hover {
    background: #2961d6;
    transform: translateY(-2px);
}

/* Benefits Section */
.benefits-section {
    padding: 80px 0;
}

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

.benefit-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
}

.benefit-icon {
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.benefit-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.benefit-chart {
    max-width: 100%;
    height: auto;
}

.benefit-list {
    list-style: none;
    text-align: left;
}

.benefit-list li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    font-size: 14px;
}

.benefit-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: #28a745;
    font-weight: bold;
}



/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tab-navigation {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-content-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .demo-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .demo-section-title {
        font-size: 1.3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-container {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .contact-title {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 20px 15px;
    }
    
    .contact-container {
        padding: 20px 15px;
        margin: 15px;
    }
    
    .contact-title {
        font-size: 28px;
    }
    
    .contact-subtitle {
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
} 

/* 联系表单部分 */
.contact-section {
    background: #f8f9fa;
    padding: 80px 0;
}

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

.contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2d3748;
}

.contact-subtitle {
    font-size: 18px;
    color: #718096;
    line-height: 1.6;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}

.contact-form {
    background: white;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.input-group {
    margin-bottom: 30px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1e3a8a;
    font-size: 16px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: #1e3a8a;
    background: white;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.input-group input:focus {
    outline: none;
    border-color: #007bff;
}

.optional {
    color: #888;
    font-weight: 400;
    font-size: 12px;
}

.error-msg {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

/* 表单状态信息样式 */
.form-status {
    margin: 20px 0;
    padding: 12px;
    border-radius: 5px;
    font-size: 14px;
    text-align: center;
    border: 2px solid transparent;
    display: none;
}

.form-status.success {
    display: block;
    border-color: #10b981;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.form-status.error {
    display: block;
    border-color: #e74c3c;
    background-color: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.form-status.loading {
    display: block;
    border-color: #3498db;
    background-color: rgba(52, 152, 219, 0.1);
    color: #3498db;
}

/* 表单提交成功消息样式 */
.submit-success-message {
    text-align: center;
    padding: 20px;
    font-size: 18px;
    color: #10b981;
    font-weight: 600;
    margin-top: 20px;
    animation: fadeIn 0.5s ease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.submit-success-message i {
    font-size: 24px;
    margin-bottom: 10px;
    animation: flyUp 1s ease-in-out;
}

.success-note {
    font-size: 14px;
    margin-top: 10px;
    opacity: 0.8;
}

@keyframes flyUp {
    0% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.contact-btn {
    width: 100%;
    background: #007bff;
    color: white;
    border: 2px solid #007bff;
    padding: 18px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.contact-btn:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.contact-btn:active {
    transform: translateY(0);
}

.trial-note {
    text-align: center;
    margin-top: 20px;
    color: #718096;
    font-size: 14px;
    font-style: italic;
}

/* 特性部分 */
.features {
    display: flex;
    flex-direction: column;
    gap: 35px;
    padding: 50px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    height: 100%;
    justify-content: center;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #007bff;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    position: relative;
}

.feature-icon.security::before {
    content: "🛡️";
    font-size: 22px;
}

.feature-icon.support::before {
    content: "🎧";
    font-size: 22px;
}

.feature-icon.integration::before {
    content: "⚡";
    font-size: 22px;
}

.feature-info h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #2d3748;
    line-height: 1.2;
}

.feature-info p {
    color: #718096;
    font-size: 13px;
    line-height: 1.4;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .contact-form {
        padding: 40px;
    }
    
    .features {
        gap: 30px;
        padding-top: 0;
    }
}

@media (max-width: 480px) {
    .contact-title {
        font-size: 28px;
    }
} 

/* 弹窗样式 */
.info-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.info-modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 550px;
    position: relative;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: #333;
}

.info-modal h2 {
    font-size: 28px;
    color: #1e3a8a;
    margin-bottom: 15px;
    text-align: center;
}

.info-modal-desc {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.5;
}

.modal-input-group {
    margin-bottom: 25px;
}

.modal-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1e3a8a;
    font-size: 16px;
}

.modal-input-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.modal-input-group input:focus {
    outline: none;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.modal-submit-btn {
    width: 100%;
    background: #3a7aff;
    color: white;
    border: none;
    padding: 18px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(58, 122, 255, 0.3);
}

.modal-submit-btn:hover {
    background: #2961d6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 122, 255, 0.4);
}

.modal-submit-btn:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .info-modal-content {
        padding: 30px;
        margin: 15% auto;
        width: 95%;
    }
    
    .info-modal h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .info-modal-content {
        padding: 25px;
        margin: 20% auto;
    }
    
    .info-modal h2 {
        font-size: 22px;
    }
    
    .close-modal {
        top: 20px;
        right: 20px;
        font-size: 24px;
    }
}