/* 全局样式 */
:root {
    --primary-color: #00cc66;
    --primary-dark: #00994d;
    --secondary-color: #666666;
    --dark-bg: #1a1a1a;
    --dark-gray: #2d2d2d;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    font-display: swap;
}

/* 顶部绿色横幅 */
.top-banner {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
    text-align: center;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--white) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 24px;
    color: var(--text-dark) !important;
}

.logo-w {
    color: var(--primary-color);
    font-weight: 800;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav {
    margin: 0 auto;
}

/* 英雄区域 */
.hero-section {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 100px 0 80px;
    /*min-height: 80vh;*/
    display: flex;
    align-items: center;
}
.hero-sectionIndex {
    min-height: 80vh;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 30px;
}

.hero-title .text-white {
    color: var(--white) !important;
}

.hero-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #cccccc;
}

.rating-info {
    margin-top: 30px;
}

.stars {
    margin-bottom: 10px;
}

.stars i {
    color: #ffc107;
    font-size: 18px;
    margin-right: 5px;
}

.rating-info span {
    color: #cccccc;
    font-size: 16px;
}

/* 视频容器 */
.video-container {
    text-align: center;
}

.video-placeholder {
    background-color: var(--dark-gray);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.video-thumbnail {
    width: 100%;
    height: 300px;
    background: linear-gradient(45deg, #333, #666);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
    background-color: var(--primary-dark);
}

.play-button i {
    color: var(--white);
    font-size: 24px;
    margin-left: 5px;
}

.video-progress {
    padding: 15px;
    background-color: var(--dark-gray);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background-color: #444;
    border-radius: 2px;
    margin-bottom: 10px;
}

.progress-fill {
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.time {
    color: #cccccc;
    font-size: 14px;
}

/* WhatsApp推广区域 */
.whatsapp-promotion {
    background-color: var(--white);
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.section-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 25px;
    color: var(--text-light);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.feature-list li {
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
}

/* 我们提供什么区域 */
.what-we-offer {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.what-we-offer .row {
    align-items: stretch;
}

.offer-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.card-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 20px;
    min-height: 48px;
}

.video-thumbnail-small {
    width: 100%;
    height: 180px;
    background: linear-gradient(45deg, #333, #666);
    border-radius: 10px;
    position: relative;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0,0,0,0.7), rgba(0,0,0,0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.video-title {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    padding: 0 20px;
    line-height: 1.4;
}

.play-button-small {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.play-button-small:hover {
    transform: scale(1.1);
    background-color: var(--primary-dark);
}

.play-button-small i {
    color: var(--white);
    font-size: 18px;
    margin-left: 3px;
}

.offer-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.offer-card .btn {
    align-self: stretch;
    width: 100%;
    border-radius: 10px;
    margin-top: auto;
    margin-bottom: 0;
}

/* 确保所有卡片高度一致 */
.col-lg-4 {
    display: flex;
}

.col-lg-4 > .offer-card {
    width: 100%;
}

/* 免费试用区域 */
.free-trial-section {
    background: #181a1b;
    color: #fff;
    padding: 80px 0 100px 0;
}

.free-trial-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 18px;
    color: #fff;
    letter-spacing: -1px;
}

.free-trial-title .highlight {
    color: #2196f3;
}

.free-trial-subtitle {
    color: #b0b3b8;
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.free-trial-benefits {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.free-trial-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.free-trial-benefits li {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    font-weight: 500;
}

.free-trial-benefits i {
    color: #00e676;
    font-size: 1.2rem;
    margin-right: 12px;
}

/* 确保功能列表在容器中居中 */
.free-trial-benefits .row {
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.free-trial-benefits .col-md-5 {
    flex: 0 0 auto;
    width: auto;
    min-width: 300px;
    margin: 0 20px;
}

.free-trial-card {
    background: #23272b;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    padding: 48px 32px 32px 32px;
    max-width: 950px;
    margin-top: 40px;
    margin-bottom: 0;
}

.price-title {
    color: #b0b3b8;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.price-main {
    color: #2196f3;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.price-unit {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2196f3;
}

.price-note {
    color: #b0b3b8;
    font-size: 0.95rem;
    margin-top: 8px;
}

.trial-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: #fff;
}

.free-trial-btn {
    width: 100%;
    max-width: 320px;
    font-size: 1.15rem;
    font-weight: 700;
    padding: 16px 0;
    border-radius: 10px;
    background: #00e676;
    color: #181a1b;
    border: none;
    margin: 0 auto 0 auto;
    display: block;
    transition: background 0.2s;
}

.free-trial-btn:hover {
    background: #00c853;
    color: #fff;
}

.stat-main {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-label {
    color: #b0b3b8;
    font-size: 1rem;
    margin-bottom: 16px;
}

/* 统计区域 */
.statistics-section {
    background-color: var(--white);
    padding: 100px 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif !important;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.stat-item {
    text-align: center;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    transition: none;
    position: static;
    overflow: visible;
}

.stat-item::before {
    display: none;
}

.stat-item:hover {
    transform: none;
    box-shadow: none;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1;
    letter-spacing: -0.02em;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0;
    white-space: nowrap;
    font-display: swap;
}

.stat-number-green {
    color: var(--primary-color);
    font-weight: 700;
    display: inline-block;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.stat-number-black {
    color: var(--text-dark);
    font-weight: 700;
    display: inline-block;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.stat-label {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    max-width: none;
    margin: 0;
    opacity: 0.8;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* 确保评价卡片保持固定尺寸，不受内容多少影响 */
.testimonial-card {
    /* 设置最小高度，确保内容少时不会收缩 */
    min-height: 320px;
    /* 固定宽度（相对于容器） */
    width: 100%;
    /* 确保内容不会撑大卡片 */
    box-sizing: border-box;
}

/* 评价文本区域设置最小高度 */
.testimonial-text {
    min-height: 80px; /* 根据最长内容估算的合适高度 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* 评价内容段落设置最小高度和对齐方式 */
.testimonial-text p {
    min-height: 120px; /* 确保短文本也能占据足够空间 */
    display: flex;
    align-items: center; /* 文本垂直居中 */
}

/* 确保所有标签页下的卡片保持一致样式 */
.testimonial-group {
    /* 避免切换时出现布局跳动 */
    min-height: 320px;
}

/* 用户类型区域 */
.user-types-section {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.section-title-left {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0;
    color: var(--text-dark);
    text-align: left;
}

.user-tabs {
    display: flex;
    justify-content: flex-start;
    gap: 0;
    margin-bottom: 30px;
    background-color: var(--white);
    border-radius: 8px;
    padding: 6px;
    max-width: 800px;
    /* 保持现有样式，添加以下内容 */
    margin-left: auto; /* 自动左外边距 */
    margin-right: auto; /* 自动右外边距 */
}

.user-tabs {
    display: flex;
    justify-content: flex-start;
    gap: 0;
    margin-bottom: 30px;
    background-color: var(--white);
    border-radius: 8px;
    padding: 6px;
    max-width: 800px;
    width: 100%; /* 确保容器占满可用宽度 */
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background-color: transparent;
    color: var(--text-dark);
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    white-space: nowrap;
    flex: 1; /* 关键：让每个按钮平均分配宽度 */
    text-align: center; /* 文字居中显示 */
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background-color: transparent;
    color: var(--text-dark);
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    white-space: nowrap;
}

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

.tab-btn:hover:not(.active) {
    background-color: rgba(0, 0, 0, 0.05);
}

.testimonial-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-group {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.testimonial-group.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
}

.testimonial-content {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 20px;
}

.user-avatar {
    height: 110px;
    width: 110px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--primary-color);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-text {
    flex: 1;
    text-align: left;
}

.testimonial-text p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 2px; /* 减小段落底部间距，默认是12px */
    font-style: normal;
    font-weight: 400;
}

.testimonial-text p strong {
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-text h5 {
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    font-size: 16px;
}

.testimonial-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 25px;
}

.testimonial-nav {
    display: flex;
    gap: 8px;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--primary-color);
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* 调整内容容器为弹性布局并垂直居中对齐 */
.testimonial-content {
    display: flex;
    align-items: center; /* 关键：使头像和文本在垂直方向居中对齐 */
    gap: 20px; /* 保持头像与文本的间距 */
    margin-bottom: 25px;
}

/* 放大大头像尺寸并保持圆形 */
.user-avatar {
    width: 80px; /* 调整为合适的大小 */
    height: 80px;
    border-radius: 50%; /* 确保是圆形 */
    overflow: hidden;
    flex-shrink: 0; /* 防止头像被压缩 */
    border: 2px solid var(--primary-color); /* 保持边框样式 */
}

/* 确保头像图片充满容器 */
.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 文本区域样式调整 */
.testimonial-text {
    flex: 1; /* 让文本区域占据剩余空间 */
}

/* 响应式调整 - 在小屏幕上垂直排列 */
@media (max-width: 767px) {
    .testimonial-content {
        flex-direction: column;
        text-align: center;
    }

    .user-avatar {
        margin-bottom: 15px; /* 垂直排列时增加头像底部间距 */
    }
}

.nav-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* FAQ区域 */
.faq-section {
    background-color: var(--white);
    padding: 80px 0;
}

.accordion-item {
    border: none;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.accordion-button {
    background-color: var(--white);
    color: var(--text-dark);
    font-weight: 600;
    padding: 20px;
    border: none;
    text-align: left;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--white);
}

.accordion-button:focus {
    box-shadow: none;
}

.faq-number {
    background-color: var(--primary-color);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    margin-right: 15px;
}

.accordion-button:not(.collapsed) .faq-number {
    background-color: var(--white);
    color: var(--primary-color);
}

.accordion-body {
    padding: 20px;
    background-color: var(--white);
    color: var(--text-light);
    line-height: 1.6;
}

/* 底部CTA区域 */
.bottom-cta-section {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 80px 0;
}

.trial-info {
    color: #cccccc;
    font-size: 16px;
    margin-top: 20px;
}

.pricing-card {
    background-color: var(--dark-gray);
    border-radius: 15px;
    padding: 50px;
    text-align: center;
    height: fit-content;
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.pricing-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #cccccc;
}

.pricing-card h5 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

/* 页脚 */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 20px;
}

.footer h6 {
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.social-links {
    margin-top: 20px;
}

.social-links span {
    display: block;
    margin-bottom: 15px;
    color: #cccccc;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: var(--dark-gray);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: var(--white);
    margin-right: 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

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

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

.footer-bottom {
    border-top: 1px solid var(--dark-gray);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
}

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

/* 按钮样式 */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 204, 102, 0.4);
    color: var(--white);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 18px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .navbar-nav {
        margin: 0;
    }

    .nav-link {
        margin: 5px 0;
    }

    .section-title-left {
        font-size: 2rem;
        text-align: center;
        margin-bottom: 30px;
    }

    .user-tabs {
        flex-direction: column;
        align-items: center;
        margin: 0 auto 30px auto;
        /* 保持现有样式，添加以下内容 */
        max-width: 800px;
        margin-left: auto; /* 自动左外边距 */
        margin-right: auto; /* 自动右外边距 */
    }

    .testimonial-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .user-avatar {
        margin: 0 auto 15px auto;
    }

    .testimonial-text {
        text-align: center;
    }

    .testimonial-actions {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .testimonial-nav {
        order: -1;
    }

    /* 移动端统计数据样式 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 0 20px;
    }

    .stat-item {
        padding: 0;
    }

    .stat-number {
        font-size: 3rem;
    }

    .stat-label {
        font-size: 15px;
        max-width: none;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .btn-lg {
        padding: 12px 30px;
        font-size: 16px;
    }

    .pricing-info {
        padding: 20px;
    }

    .offer-card {
        padding: 20px;
    }

    /* 小屏幕统计数据样式 */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 15px;
    }

    .stat-item {
        padding: 0;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 14px;
    }
}

@media (max-width: 991px) {
    .free-trial-card {
        padding: 32px 10px 24px 10px;
    }
    .free-trial-btn {
        max-width: 100%;
    }
}

@media (max-width: 767px) {
    .free-trial-card {
        padding: 24px 4px 16px 4px;
    }
    .free-trial-title {
        font-size: 2rem;
    }
    .trial-title {
        font-size: 1.1rem;
    }
    .stat-main {
        font-size: 1.1rem;
    }

    /* 移动端功能列表居中 */
    .free-trial-benefits .row {
        flex-direction: column;
        align-items: center;
    }

    .free-trial-benefits .col-md-5 {
        width: 100%;
        max-width: 350px;
        margin: 0 0 20px 0;
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 文本选择样式 */
::selection {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 焦点样式 */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .navbar,
    .btn,
    .social-links {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero-section,
    .bottom-cta-section {
        background: white !important;
        color: black !important;
    }
}


/* 底部CTA区域优化 */
.bottom-cta-section {
    padding: 80px 0;
}

.cta-row {
    display: flex;
    align-items: stretch; /* 确保子元素高度一致 */
    gap: 30px; /* 两列之间的间距 */
}

.cta-content, .cta-pricing {
    flex: 1; /* 两列平均分配宽度 */
    display: flex;
    flex-direction: column; /* 内容垂直排列 */
}

.cta-content {
    padding: 20px; /* 内部间距 */
}

.cta-pricing {
    padding: 20px;
    justify-content: center; /* 价格卡片垂直居中 */
}

.pricing-card {
    width: 100%;
    max-width: 400px; /* 限制最大宽度 */
    margin: 0 auto; /* 水平居中 */
    padding: 60px 30px; /* 增加内边距 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 300px; /* 确保最小高度 */
}

/* 响应式调整 */
@media (max-width: 992px) {
    .cta-row {
        flex-direction: column;
    }

    .cta-content, .cta-pricing {
        width: 100%;
    }

    .pricing-card {
        max-width: 100%;
        margin-top: 30px;
    }
}


/* 页脚优化样式 */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 30px; /* 增加底部内边距 */
}

.footer .container {
    max-width: 1200px; /* 限制最大宽度，提升大屏幕显示效果 */
}

.footer .row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px; /* 抵消列的内边距影响 */
}

.footer .col-lg-4 {
    padding: 0 15px; /* 统一列的内边距 */
    display: flex;
    flex-direction: column; /* 让内容垂直排列 */
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 25px;
    font-size: 18px;
    color: var(--white);
}

.footer h6 {
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 16px;
    text-transform: uppercase; /* 统一标题样式 */
    letter-spacing: 0.5px;
}

.social-links {
    margin-top: 20px;
}

.social-links span {
    display: block;
    margin-bottom: 15px;
    color: #cccccc;
    font-size: 14px;
}

.social-links a {
    display: inline-flex; /* 确保图标居中 */
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--dark-gray);
    border-radius: 50%;
    color: var(--white);
    margin-right: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

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

.footer-links li {
    margin-bottom: 12px; /* 统一间距 */
}

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

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 3px; /* 增加hover效果 */
}

.footer .btn-primary {
    margin-top: 15px;
    align-self: flex-start; /* 按钮左对齐 */
}

.footer-bottom {
    border-top: 1px solid var(--dark-gray);
    padding-top: 25px;
    margin-top: 40px;
    text-align: center;
}

.footer-bottom p {
    color: #999;
    margin: 0;
    font-size: 13px;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .footer .col-lg-4 {
        margin-bottom: 40px; /* 增加移动端列间距 */
    }

    .footer .col-lg-4:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 767px) {
    .footer {
        padding: 40px 0 20px;
    }

    .footer h5, .footer h6 {
        margin-bottom: 15px;
    }

    .footer .btn-primary {
        width: 100%;
        text-align: center;
    }
}

/* 页脚整体居中优化 */
.footer .container {
    max-width: 1200px;
    margin: 0 auto; /* 确保容器居中 */
    padding: 0 15px; /* 增加左右内边距，避免内容贴边 */
}

.footer .row {
    justify-content: center; /* 行内元素整体居中 */
    margin: 0 -10px; /* 微调外边距 */
}

.footer .col-lg-4 {
    padding: 0 10px; /* 统一列的内边距 */
}

/* 针对小屏幕的响应式调整 */
@media (max-width: 991px) {
    .footer .col-lg-4 {
        width: 100%; /* 在中等屏幕下让列占满宽度 */
        max-width: 500px; /* 限制最大宽度，避免过宽 */
        margin-left: auto;
        margin-right: auto;
        text-align: center; /* 文本居中 */
    }

    .footer .col-lg-4:first-child img {
        margin-left: auto;
        margin-right: auto; /* 图片居中 */
    }

    .social-links {
        justify-content: center; /* 社交图标居中 */
    }

    .footer-links {
        display: inline-block; /* 链接列表居中 */
        text-align: left; /* 保持链接文本左对齐 */
    }

    .footer .btn-primary {
        margin-left: auto;
        margin-right: auto; /* 按钮居中 */
    }
}

/* 移动端进一步优化 */
@media (max-width: 576px) {
    .footer {
        padding: 40px 0 20px;
    }

    .footer .col-lg-4 {
        max-width: 100%; /* 移动端占满宽度 */
    }

    .footer h5, .footer h6 {
        margin-top: 25px; /* 增加标题间距 */
    }

    .footer .col-lg-4:first-child h5 {
        margin-top: 0; /* 第一个标题不需要顶部间距 */
    }
}

.footer .col-lg-4:nth-child(2) {
    padding-left: 20px; /* 根据需要调整这个值 */
}

.footer-links {
    padding-left: 1.2rem; /* 统一列表缩进，避免过度左靠 */
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    display: inline-block;
    transition: all 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .footer .col-lg-4:nth-child(2) {
        padding-left: 0; /* 小屏幕下重置内边距 */
    }

    .footer-links {
        padding-left: 1rem;
        margin-left: auto;
        margin-right: auto;
        max-width: 200px; /* 限制列表最大宽度，使其居中显示 */
    }
}

/* 视频播放器样式 */
.video-wrapper {
    background-color: var(--dark-gray);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.video-player {
    width: 100%;
    height: 300px; /* 保持与原占位符相同高度 */
    object-fit: cover;
    background-color: #000;
    border: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .video-player {
        height: 220px;
    }
}

@media (max-width: 576px) {
    .video-player {
        height: 180px;
    }
}

/* 视频封面容器 */
.video-poster-container {
    position: relative;
}

/* 自定义视频封面 */
.custom-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.custom-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
}

/* 播放按钮覆盖层 */
.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-icon {
    width: 100px;
    height: 100px;
    background-color: rgba(0, 204, 106, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.play-icon i {
    color: white;
    font-size: 30px;
    margin-left: 5px;
}

/* 悬停效果 */
.custom-poster:hover .play-icon {
    transform: scale(1.1);
    background-color: rgba(0, 204, 106, 1);
}

/* 视频播放时隐藏封面 */
.video-player.play-started + .custom-poster {
    display: none;
}

/* 优化视频播放器样式 */
.video-player {
    width: 100%;
    height: 300px;
    background-color: #000;
    border-radius: 15px 15px 0 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .video-player {
        height: 220px;
    }

    .play-icon {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 576px) {
    .video-player {
        height: 180px;
    }

    .play-icon {
        width: 60px;
        height: 60px;
    }
}

.hero-section {
    background-color: #071d3c; /* 深蓝底色确保背景统一 */
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.testimonials {
    height: 360px;
}


@layer utilities {
    .content-auto {
        content-visibility: auto;
    }
    .border-l-green-500 {
        border-left-color: #10b981;
    }
    .text-green-500 {
        color: #10b981;
    }
    .bg-green-500 {
        background-color: #10b981;
    }
    .hover\:bg-green-600:hover {
        background-color: #059669;
    }
}