:root {
    --primary-color: #7F3DFF;
    --primary-light: #F8F5FF;
    --primary-dark: #6B4EE6;
    --text-color: #333;
    --text-light: #666;
    --border-color: #E3E5E8;
    --success-color: #00A86B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

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

.header h1 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.trial-card {
    background: var(--primary-light);
    border-radius: 16px;
    padding: 15px 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.trial-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.trial-info {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
}

.trial-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.trial-price .currency {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 500;
}

.trial-price .amount {
    font-size: 36px;
    color: var(--primary-color);
    font-weight: 600;
}

.trial-info h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin: 0;
}

.trial-info p {
    color: var(--text-light);
    font-size: 16px;
    margin: 0;
}

.trial-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 25px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.trial-btn:hover {
    background: var(--primary-dark);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
}

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

.pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.price-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.price-card.popular {
    border: 2px solid var(--primary-color);
    position: relative;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.price-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.price {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.price span {
    font-size: 16px;
    color: var(--text-light);
}

.description {
    color: var(--text-light);
    margin-bottom: 25px;
    min-height: 50px;
    font-size: 14px;
    line-height: 1.5;
}

.subscribe-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: auto;
}

.subscribe-btn:hover {
    background: var(--primary-dark);
}

.features-list {
    text-align: left;
    margin: 20px 0;
    list-style: none;
    flex-grow: 1;
}

.features-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.features-list li::before {
    content: "✓";
    color: var(--success-color);
    position: absolute;
    left: 0;
}

/* 错误信息样式 */
.error-message {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 40px auto;
    max-width: 400px;
}

.error-message h2 {
    color: #e74c3c;
    margin-bottom: 16px;
}

.error-message p {
    color: #666;
    margin-bottom: 24px;
}

.error-message button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: 4px;
    cursor: pointer;
}

.error-message button:hover {
    background: var(--primary-dark);
}

/* 错误提示条样式 */
.error-bar {
    background: #fff3f3;
    border-bottom: 1px solid #ffcdd2;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.error-content span {
    color: #d32f2f;
    font-size: 14px;
}

.error-content button {
    background: none;
    border: none;
    color: #d32f2f;
    font-size: 20px;
    cursor: pointer;
    padding: 0 8px;
}

.error-content button:hover {
    opacity: 0.8;
}

/* 联系方式区域样式 */
.contact-section {
    margin-top: 40px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    text-align: center;
}

.contact-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.contact-label {
    color: #495057;
}

.contact-email {
    color: #6B4EE6;
    text-decoration: none;
    font-weight: 500;
}

.contact-email:hover {
    text-decoration: underline;
}

.contact-desc {
    color: #6c757d;
    font-size: 13px;
}