/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo svg {
    display: block;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: #C01818;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #C01818 0%, #8B0000 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 215, 0, 0.25);
    border: 2px solid #FFD700;
    color: #FFD700;
    padding: 10px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 25px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title sup {
    font-size: 32px;
    top: -0.8em;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.5;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 16px;
}

.feature-badge.highlight {
    background: rgba(255, 215, 0, 0.2);
    border: 2px solid #FFD700;
    color: #FFD700;
    font-weight: 600;
}

/* Pricing Box */
.pricing-box {
    background: #fff;
    color: #333;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 0 auto;
}

.family-tag {
    background: linear-gradient(135deg, #FF6B6B, #C01818);
    color: #fff;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 25px;
    display: inline-block;
}

.price-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.original-price, .new-price {
    text-align: center;
}

.original-price .label, .new-price .label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.strike-price {
    font-size: 24px;
    text-decoration: line-through;
    color: #999;
}

.arrow {
    font-size: 32px;
    color: #4CAF50;
    font-weight: bold;
}

.price-tag {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 28px;
    font-weight: 600;
}

.amount {
    font-size: 64px;
    font-weight: 700;
    color: #C01818;
}

.period {
    font-size: 20px;
    color: #666;
}

.savings {
    font-size: 18px;
    color: #4CAF50;
    font-weight: 600;
    margin-bottom: 20px;
}

.value-prop {
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: left;
}

.value-prop p {
    margin: 8px 0;
    color: #333;
    font-size: 15px;
}

.cta-button {
    background: #C01818;
    color: #fff;
    border: none;
    padding: 18px 50px;
    font-size: 20px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-bottom: 15px;

    display: block;                 /* ⭐ 让按钮占满宽度 */
    text-align: center;             /* ⭐ 居中文字 */
    text-decoration: none !important; /* ⭐ 强制去除下划线 */
}


.cta-button:hover {
    background: #8B0000;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(192, 24, 24, 0.3);
}

.guarantee {
    font-size: 14px;
    color: #666;
}

/* Section Common Styles */
.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 20px;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Key Benefits Section */
.key-benefits {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    background: #fff;
    padding: 40px 35px;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    border: 2px solid transparent;
}

.benefit-card.featured-card {
    background: linear-gradient(135deg, #fff 0%, #fffbf5 100%);
    border: 2px solid #FFD700;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(192, 24, 24, 0.15);
    border-color: #C01818;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FFE5E5, #FFF0F0);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.benefit-number {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(192, 24, 24, 0.08);
}

.benefit-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 700;
}

.benefit-desc {
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 15px;
}

.benefit-desc strong {
    color: #C01818;
    font-weight: 600;
}

.benefit-list {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}

.benefit-list li {
    padding: 10px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    border-bottom: 1px solid #f0f0f0;
}

.benefit-list li:last-child {
    border-bottom: none;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: #fff;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: #C01818;
    box-shadow: 0 10px 40px rgba(192, 24, 24, 0.15);
}

.pricing-card.featured {
    border-color: #C01818;
    border-width: 3px;
    box-shadow: 0 10px 40px rgba(192, 24, 24, 0.2);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #C01818;
    color: #fff;
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.pricing-card sup {
    font-size: 16px;
}

.plan-tag {
    display: inline-block;
    background: #f0f0f0;
    color: #666;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 13px;
    margin-bottom: 20px;
}

.pricing-card .price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    position: relative;
}

.old-price {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.save-tag {
    position: absolute;
    top: 5px;
    right: 10px;
    background: #4CAF50;
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card .currency {
    font-size: 24px;
}

.pricing-card .amount {
    font-size: 56px;
    font-weight: 700;
    color: #C01818;
}

.pricing-card .period {
    font-size: 18px;
    color: #666;
}

.features-list {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.features-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.features-list li:last-child {
    border-bottom: none;
}

.buy-button {
    background: #fff;
    color: #C01818;
    border: 2px solid #C01818;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    text-decoration: none;

    display: block;     /* ⭐关键，让 <a> 和 button 一样占满宽度 */
    text-align: center; /* ⭐确保文字居中 */
}


.buy-button:hover {
    background: #C01818;
    color: #fff;
}

.buy-button.primary {
    background: #C01818;
    color: #fff;
}

.buy-button.primary:hover {
    background: #8B0000;
}

.value-highlight {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    color: #E65100;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    margin: 15px 0 10px 0;
}

.renewal-note {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
    font-style: italic;
}

.pricing-note {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
}

.pricing-note p {
    margin: 10px 0;
    color: #555;
    font-size: 15px;
}

.pricing-note strong {
    color: #C01818;
}

/* Trust Section */
.trust-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat h3 {
    font-size: 48px;
    color: #C01818;
    margin-bottom: 10px;
}

.stat p {
    font-size: 18px;
    color: #666;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: #fff;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.faq-item p {
    color: #666;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #C01818 0%, #8B0000 100%);
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-button.large {
    padding: 20px 60px;
    font-size: 22px;
}

.small-print {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: #C01818;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-badge {
        font-size: 14px;
        padding: 8px 20px;
    }

    .hero-features {
        flex-direction: column;
        gap: 15px;
    }

    .feature-badge {
        font-size: 14px;
        padding: 10px 18px;
    }

    .pricing-box {
        padding: 30px 20px;
    }

    .amount {
        font-size: 48px !important;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .benefit-card {
        padding: 30px 25px;
    }

    .benefit-number {
        font-size: 36px;
        top: 15px;
        right: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card .amount {
        font-size: 44px;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav {
        display: none;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    .cta-section p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .pricing-box {
        padding: 25px 15px;
    }

    .amount {
        font-size: 42px !important;
    }

    .price-comparison {
        flex-direction: column;
        gap: 10px;
    }

    .arrow {
        transform: rotate(90deg);
    }

    .section-title {
        font-size: 24px;
    }

    .benefit-card h3 {
        font-size: 20px;
    }

  .cta-button { 
      padding: 15px 30px;
      font-size: 16px; 
   }


    .cta-section h2 {
        font-size: 20px;
    }

    .cta-section p {
        font-size: 14px;
    }
}