:root {
    --bg-color: #F9FAFB;
    --text-dark: #111827;
    --text-light: #6B7280;
    --primary-color: #2563EB;
    --secondary-color: #7C3AED;
    --border-color: #E5E7EB;
    --white-color: #ffffff;
    --green-color: #2563EB;
    --reseller-gold: #B8860B;
    --reseller-gold-light: #DAA520;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
section { padding: 100px 0; overflow: hidden; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; }
h1 { font-size: 4rem; }
h2 { font-size: 2.8rem; text-align: center; margin-bottom: 60px; }
h3 { font-size: 1.5rem; margin-bottom: 10px; }
p { color: var(--text-light); margin-bottom: 1rem; }
.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: -40px auto 50px auto;
    color: var(--text-light);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-image: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 7px 20px rgba(0,0,0,0.15); }

/* Scroll Animation */
.fade-in-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* Hero Video Styles */
.hero-with-video {
    position: relative;
    overflow: hidden;
}

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

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 0;
}

.aurora-overlay {
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-title {
    color: white !important;
    -webkit-text-fill-color: white !important;
    background: none !important;
}

.hero-subtitle {
    color: white;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.hero-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 200px;
    padding: 15px 30px;
    transition: all 0.3s ease;
}

.hero-btn-primary {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.hero-btn-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
}

/* AI Models Grid */
.ai-models-section {
    margin-bottom: 60px;
}

.ai-models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.ai-model-card {
    text-align: center;
    padding: 20px 15px;
}

.ai-model-logo {
    margin-bottom: 15px;
}

.ai-model-logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.ai-model-name {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Performance Optimizations */
.hero-background-video {
    will-change: transform;
}

.expert-image img {
    will-change: transform;
}

/* Reduce layout shifts */
img {
    max-width: 100%;
    height: auto;
}

/* Optimize for mobile */
@media (max-width: 768px) {
    .hero-background-video {
        display: none;
    }
    
    .hero-with-video {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    }
}

/* Header */
.header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background-color: rgba(249, 250, 251, 0.8);
}
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { text-decoration: none; color: var(--text-dark); }
.logo img { height: 40px; width: auto; }
.nav-menu ul { list-style: none; display: flex; gap: 50px; }
.nav-menu a { text-decoration: none; color: var(--text-light); font-weight: 600; transition: color 0.3s; position: relative; }
.nav-menu a:hover { color: var(--primary-color); }
.nav-menu .sale-tag {
    position: absolute;
    top: -8px;
    right: -35px;
    background: #7C3AED;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
}

.nav-menu .hot-tag {
    position: absolute;
    top: -8px;
    right: -35px;
    background: #ef4444;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
}

.nav-menu .new-tag {
    position: absolute;
    top: -8px;
    right: -35px;
    background: #2563EB;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
}
.header .btn { padding: 10px 24px; }
.hamburger { display: none; cursor: pointer; }
.hamburger div { width: 25px; height: 3px; background-color: var(--text-dark); margin: 5px 0; transition: 0.4s; }

/* Hero Section */
.hero { text-align: center; padding: 180px 0 120px 0; position: relative; overflow: hidden; }
.hero .aurora {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent 60%);
    z-index: -1;
}
.hero h1 { background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero .subtitle { font-size: 1.25rem; max-width: 700px; margin: 20px auto 40px; }

/* Floating Bubbles Animation */
.floating-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.bubble {
    position: absolute;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    opacity: 0.6;
    will-change: transform;
    transform: translateZ(0);
}

.bubble:nth-child(1) {
    width: 20px;
    height: 20px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.bubble:nth-child(2) {
    width: 15px;
    height: 15px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 10s;
}

.bubble:nth-child(3) {
    width: 25px;
    height: 25px;
    left: 30%;
    animation-delay: 4s;
    animation-duration: 12s;
}

.bubble:nth-child(4) {
    width: 18px;
    height: 18px;
    left: 40%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.bubble:nth-child(5) {
    width: 22px;
    height: 22px;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 11s;
}

.bubble:nth-child(6) {
    width: 16px;
    height: 16px;
    left: 60%;
    animation-delay: 5s;
    animation-duration: 7s;
}

.bubble:nth-child(7) {
    width: 24px;
    height: 24px;
    left: 70%;
    animation-delay: 2.5s;
    animation-duration: 13s;
}

.bubble:nth-child(8) {
    width: 19px;
    height: 19px;
    left: 80%;
    animation-delay: 1.5s;
    animation-duration: 8.5s;
}

.bubble:nth-child(9) {
    width: 21px;
    height: 21px;
    left: 90%;
    animation-delay: 4.5s;
    animation-duration: 10.5s;
}

.bubble:nth-child(10) {
    width: 17px;
    height: 17px;
    left: 15%;
    animation-delay: 6s;
    animation-duration: 9.5s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Hero content positioning */
.hero .container {
    position: relative;
    z-index: 2;
}

/* Pricing Section */
.pricing { background-color: var(--white-color); }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.pricing-card {
    background-color: var(--white-color); border: 1px solid var(--border-color);
    border-radius: 20px; padding: 30px; display: flex; flex-direction: column;
    transition: all 0.3s ease; box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    position: relative;
}
.pricing-card:hover { transform: translateY(-10px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.pricing-card.highlight { border-color: var(--primary-color); position: relative; transform: scale(1.05); }
.pricing-card .badge {
    position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
    background-image: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: var(--white-color); padding: 5px 15px; border-radius: 20px;
    font-size: 0.9rem; font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    white-space: nowrap;
    z-index: 10;
}
.pricing-card .plan-name { font-weight: 600; }
.pricing-card .plan-description { color: var(--text-light); font-size: 0.9rem; margin-bottom: 0px; }
.pricing-card .price { font-size: 3rem; font-weight: 800; margin: 10px 0; }
.pricing-card .price-note { color: var(--text-light); font-size: 0.9rem; margin-top: -10px; }
.pricing-card .specs { list-style: none; margin: 30px 0; flex-grow: 1; }
.pricing-card .specs li { border-top: 1px solid var(--border-color); padding: 12px 0; display: flex; align-items: center; gap: 10px; }
.pricing-card .specs svg { width: 20px; height: 20px; stroke: var(--green-color); }
.pricing-card .btn { width: 100%; text-align: center; }

/* Features Section */
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.feature-item { padding: 20px; }
.feature-item svg { width: 32px; height: 32px; stroke: var(--primary-color); margin-bottom: 15px; }

/* Testimonials Section */
.testimonials { background-color: var(--white-color); }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 50px; }

/* Web Hosting Overview Section */
.hosting-overview { background-color: var(--bg-color); }
.hosting-types-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 40px; margin-top: 50px; }
.hosting-type-card {
    background-color: var(--white-color);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.hosting-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.hosting-type-card.highlight {
    border-color: var(--primary-color);
    transform: scale(1.02);
}
.hosting-type-card.highlight .badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    white-space: nowrap;
}
.hosting-icon {
    margin-bottom: 20px;
    color: var(--primary-color);
}
.hosting-type-card h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}
.hosting-type-card p {
    margin-bottom: 25px;
    color: var(--text-light);
    line-height: 1.6;
}
.hosting-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}
.hosting-features li {
    padding: 8px 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 20px;
}
.hosting-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-color);
    font-weight: bold;
}
.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    background-color: transparent;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}





/* Expert Section Styles */
.expert {
    background-color: var(--white-color);
}
.expert-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
}
.expert-image {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto;
}
.expert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: block;
}
/* 桌面端显示大图，移动端隐�?*/
.expert-image .desktop-img {
    display: block;
}
.expert-image .mobile-img {
    display: none;
}
.expert-content h2 {
    text-align: left;
    margin-bottom: 20px;
}
.expert-content blockquote {
    margin-top: 30px;
    padding-left: 20px;
    border-left: 4px solid var(--primary-color);
    font-size: 1.1rem;
    font-weight: 500;
    font-style: italic;
    color: var(--text-dark);
}

/* Comparison Section */
.comparison {
    background-color: var(--white-color);
}

.comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.comparison-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
    text-align: center;
}

.comparison-table th, .comparison-table td {
    padding: 20px;
    border: 1px solid var(--border-color);
    vertical-align: middle;
}

.comparison-table th {
    background-color: var(--bg-color);
    font-size: 1.1rem;
}

.provider-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.provider-header .provider-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    background-color: var(--bg-color);
}

.comparison-table .highlight-col {
    background-color: #ecfdf5; /* Light green background */
}

.comparison-table .icon-check {
    color: var(--green-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.comparison-table .icon-cross {
    color: #71717a;
    display: flex;
    align-items: center;
    gap: 6px;
}

.comparison-table .icon-check svg,
.comparison-table .icon-cross svg {
    flex-shrink: 0;
}

.comparison-table strong {
    color: var(--text-dark);
}

/* FAQ Section */
.faq { background-color: var(--white-color); }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-question { font-size: 1.2rem; font-weight: 600; cursor: pointer; padding: 25px 0; position: relative; }
.faq-question::after { content: "+"; position: absolute; right: 0; font-size: 1.5rem; transition: transform 0.3s; color: var(--primary-color); }
.faq-item.active .faq-question::after { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}
.faq-answer p {
    padding: 0 0 25px 0;
    margin: 0;
    color: var(--text-light);
}
.faq-item.active .faq-answer {
    max-height: 300px;
}

/* About Page Specific Styles */
.about-story {
    background-color: var(--white-color);
}
.about-story .expert-grid {
    align-items: flex-start;
}
.about-story .expert-content h2 {
    text-align: left;
    margin-bottom: 20px;
}
.about-story .expert-content blockquote {
    margin-top: 30px;
    padding-left: 20px;
    border-left: 4px solid var(--primary-color);
    font-size: 1.1rem;
    font-weight: 500;
    font-style: italic;
    color: var(--text-dark);
}

/* Process Steps */
.process-step {
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 15px;
}

/* Hosting Categories Section */
.hosting-categories {
    background-color: var(--white-color);
}
.hosting-categories .pricing-card {
    text-align: center;
    padding: 25px;
}
.hosting-categories .pricing-card svg {
    margin-bottom: 15px;
}
.hosting-categories .pricing-card h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* Contact Page Specific Styles */
.contact-info {
    background-color: var(--white-color);
}
.contact-info .pricing-card {
    text-align: center;
    padding: 50px 30px;
    max-width: 600px;
    margin: 0 auto;
}
.contact-info .pricing-card svg {
    margin-bottom: 30px;
}
.contact-info .pricing-card h2 {
    margin-bottom: 20px;
    text-align: center;
}
.contact-info .pricing-card p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-light);
}
.contact-info .email-box {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}
.contact-info .email-box h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.3rem;
}
.contact-info .email-box a {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    display: block;
}

/* Disclaimer Page Specific Styles */
.disclaimer-content {
    background-color: var(--white-color);
}
.disclaimer-content .pricing-card {
    padding: 40px;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}
.disclaimer-content h2 {
    text-align: center;
    margin-bottom: 40px;
}
.disclaimer-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}
.disclaimer-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}
.disclaimer-content a {
    color: var(--primary-color);
    text-decoration: none;
}
.disclaimer-content a:hover {
    text-decoration: underline;
}
.disclaimer-summary {
    background-color: var(--bg-color);
}

/* Privacy Policy Page Specific Styles */
.privacy-content {
    background-color: var(--white-color);
}
.privacy-content .pricing-card {
    padding: 40px;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}
.privacy-content h2 {
    text-align: center;
    margin-bottom: 40px;
}
.privacy-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}
.privacy-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}
.privacy-content ul {
    margin-bottom: 15px;
}
.privacy-content li {
    margin-bottom: 5px;
    line-height: 1.6;
}
.privacy-content a {
    color: var(--primary-color);
    text-decoration: none;
}
.privacy-content a:hover {
    text-decoration: underline;
}
.privacy-summary {
    background-color: var(--bg-color);
}

/* CTA Section */
.cta {
    background-color: var(--white-color);
    text-align: center;
    padding: 80px 0;
}

/* Footer */
.footer { background-color: var(--white-color); padding: 80px 0; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-col h4 { font-size: 1.1rem; margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { text-decoration: none; color: var(--text-light); transition: color 0.3s; }
.footer-col a:hover { color: var(--primary-color); }
.footer-bottom { text-align: center; margin-top: 60px; padding-top: 30px; border-top: 1px solid var(--border-color); color: var(--text-light); font-size: 0.9rem; }

/* Mobile Styles */
@media (max-width: 992px) {
    h1 { font-size: 3rem; }
    .nav-menu, .header .btn { display: none; }
    .hamburger { display: block; }
    .logo img { height: 35px; }
    .nav-menu.active {
        display: flex; flex-direction: column; position: absolute;
        top: 73px; left: 0; width: 100%;
        background-color: var(--white-color);
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        padding: 20px;
    }
    .nav-menu.active ul {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .nav-menu.active li { margin: 10px 0; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .logo img { height: 30px; }
    .features-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .hosting-types-grid { grid-template-columns: 1fr; }
    .expert-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .expert-image {
        width: 200px;
        height: 200px;
        margin-bottom: 30px;
    }
    /* 移动端显示小图，桌面端隐�?*/
    .expert-image .desktop-img {
        display: none;
    }
    .expert-image .mobile-img {
        display: block;
    }
    .expert-content h2 {
        text-align: center;
    }
    .about-story .expert-content h2 {
        text-align: center;
    }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .pricing-card.highlight {
        transform: scale(1);
    }

    /* Mobile bubble optimization */
    .bubble {
        animation-duration: 4s !important;
    }
    .bubble:nth-child(1) { animation-duration: 6s !important; }
    .bubble:nth-child(2) { animation-duration: 8s !important; }
    .bubble:nth-child(3) { animation-duration: 10s !important; }
    .bubble:nth-child(4) { animation-duration: 7s !important; }
    .bubble:nth-child(5) { animation-duration: 9s !important; }
    .bubble:nth-child(6) { animation-duration: 5s !important; }
    .bubble:nth-child(7) { animation-duration: 11s !important; }
    .bubble:nth-child(8) { animation-duration: 6.5s !important; }
    .bubble:nth-child(9) { animation-duration: 8.5s !important; }
    .bubble:nth-child(10) { animation-duration: 7.5s !important; }
}

/* 使用场景部分 */
.use-cases {
    background-color: var(--bg-color);
    padding: 100px 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.use-case-card {
    background-color: var(--white-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.use-case-icon {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.use-case-card h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.use-case-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.use-case-card ul {
    list-style: none;
    padding: 0;
}

.use-case-card li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 20px;
}

.use-case-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-color);
    font-weight: bold;
}

/* 迁移指南部分 */
.migration-guide {
    background-color: var(--white-color);
    padding: 100px 0;
}

.migration-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.migration-step {
    text-align: center;
    padding: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background-image: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.migration-step h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.migration-step p {
    color: var(--text-light);
}

.migration-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.migration-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 500;
}

.migration-feature svg {
    color: var(--green-color);
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .migration-steps {
        grid-template-columns: 1fr;
    }

    .migration-features {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}

/* Cloudways页面样式 */
.hero-badge {
    margin-bottom: 20px;
}

.badge-text {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 痛点模块 */
.pain-points {
    background-color: var(--bg-color);
    padding: 100px 0;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-point-card {
    background-color: var(--white-color);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.pain-icon {
    margin-bottom: 20px;
    color: #ff6b6b;
}

.pain-point-card h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.pain-point-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 核心优势�?*/
.core-benefits {
    background-color: var(--white-color);
    padding: 100px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background-color: var(--bg-color);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.benefit-icon {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.benefit-card h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.benefit-card p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.6;
}

.benefit-features {
    list-style: none;
    padding: 0;
}

.benefit-features li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 20px;
}

.benefit-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-color);
    font-weight: bold;
}

.benefits-cta {
    text-align: center;
    margin-top: 50px;
}

/* 价格理念�?*/
.pricing-section {
    background-color: var(--bg-color);
    padding: 100px 0;
}

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

.highlighted-price {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.highlighted-price::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563EB, #7C3AED, #3B82F6);
}

.highlighted-price::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.price-badge {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.price-amount {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.price-period {
    font-size: 1.3rem;
    font-weight: 600;
    color: #64748b;
}

.price-discount {
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.discount-text {
    display: inline-block;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.price-note {
    color: #64748b;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.pricing-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--text-light);
}

.pricing-highlights {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin: 40px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 500;
}

.highlight-item svg {
    color: var(--green-color);
}

.pricing-cta {
    margin-top: 40px;
}



@media (max-width: 768px) {


    .highlighted-price {
        padding: 30px 20px;
    }

    .price-amount {
        font-size: 3rem;
    }

    .price-period {
        font-size: 1.1rem;
    }

    .discount-text {
        font-size: 0.8rem;
    }

    .price-note {
        font-size: 0.9rem;
    }
}

/* 最终CTA�?*/
.final-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.final-cta h2 {
    color: white;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.final-cta .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 700;
    padding: 16px 32px;
    font-size: 1.1rem;
}

.final-cta .btn:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .pain-points-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .pricing-highlights {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .final-cta h2 {
        font-size: 2rem;
    }

    .comparison-table-wrapper {
        margin: 0 -20px;
        border-radius: 0;
    }

    .comparison-table {
        min-width: 600px;
    }

    .comparison-table th, .comparison-table td {
        padding: 15px 10px;
        font-size: 0.9rem;
    }

    .provider-header .provider-icon {
        width: 20px;
        height: 20px;
    }

    .user-avatar {
        width: 40px;
        height: 40px;
    }

    .user-avatar svg {
        width: 20px;
        height: 20px;
    }
}

/* VPS Advisor CTA Styles */
.vps-advisor-cta {
    background-color: var(--white-color);
    padding: 80px 0;
}

.advisor-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 24px;
    padding: 40px;
    color: var(--white-color);
    position: relative;
    overflow: hidden;
}

.advisor-card::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.advisor-content {
    position: relative;
    z-index: 2;
}

.advisor-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.advisor-avatar {
    flex-shrink: 0;
}

.advisor-avatar .avatar-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
    object-fit: cover;
}

.advisor-info h3 {
    color: var(--white-color);
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.advisor-subtitle {
    color: rgba(255,255,255,0.9);
    margin: 0;
    font-size: 1rem;
}

.advisor-features {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.advisor-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}

.advisor-feature svg {
    width: 20px;
    height: 20px;
    stroke: rgba(255,255,255,0.8);
}

.advisor-card .btn {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white-color);
    backdrop-filter: blur(10px);
    font-weight: 600;
    padding: 16px 32px;
    font-size: 1.1rem;
}

.advisor-card .btn:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .advisor-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .advisor-features {
        justify-content: center;
        gap: 20px;
    }

    .advisor-feature {
        font-size: 0.85rem;
    }

    .advisor-card {
        padding: 30px 20px;
    }
}

/* DDoS Guide Page Styles */
.toc-section {
    background-color: var(--white-color);
    padding: 40px 0;
}

.toc-card {
    padding: 30px 0;
}

.toc-card h2 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--text-dark);
    font-size: 1.8rem;
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.toc-item {
    display: block;
    padding: 10px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 0.95rem;
}

.toc-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 140, 89, 0.3);
}

.chapter-section {
    padding: 80px 0;
}

.chapter-section h2 {
    text-align: left;
    margin-bottom: 40px;
    color: var(--text-dark);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 15px;
}

.content-block {
    margin-bottom: 50px;
}

.content-block h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.content-block p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.attack-types-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.attack-type-card {
    background: var(--white-color);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.attack-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.attack-type-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.visual-analogy {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    border-left: 4px solid var(--primary-color);
}

.visual-analogy p {
    margin: 0;
    color: var(--text-dark);
    font-size: 0.95rem;
}



.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    background: var(--white-color);
    border-radius: 12px;
    padding: 20px;
    border: 2px solid var(--border-color);
    min-width: 120px;
    transition: transform 0.3s;
}

.flow-step:hover {
    transform: scale(1.05);
}

.step-icon {
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
}

.step-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.flow-step h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.flow-step p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.metric-card {
    background: var(--white-color);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.metric-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.metric-example {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    border-left: 4px solid var(--primary-color);
}

.metric-example p {
    margin: 0;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.checklist-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

.checklist-item {
    display: flex;
    gap: 20px;
    background: var(--white-color);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.checklist-item:hover {
    transform: translateY(-3px);
}

.checklist-number {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.checklist-content h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.checklist-content ul {
    list-style: none;
    padding: 0;
}

.checklist-content li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.checklist-content li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.guide-card {
    background: var(--white-color);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

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

.guide-icon svg {
    stroke: var(--primary-color);
}

.guide-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.guide-card p {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.myths-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

.myth-card {
    background: var(--white-color);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.myth-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.myth-icon {
    display: flex;
    align-items: center;
}

.myth-icon svg {
    width: 24px;
    height: 24px;
    color: #ef4444;
}

.myth-header h3 {
    color: var(--text-dark);
    margin: 0;
    font-size: 1.3rem;
}

.myth-content p {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.myth-explanation {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
}

.myth-explanation p {
    margin: 0;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.conclusion-section {
    background: linear-gradient(135deg, #f0f9f6 0%, #e8f5f0 100%);
    padding: 80px 0;
}

.conclusion-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-dark);
}

.expert-section {
    background-color: var(--white-color);
    padding: 80px 0;
}

.expert-card {
    display: flex;
    gap: 30px;
    background: var(--white-color);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    max-width: 900px;
    margin: 0 auto;
}

.expert-avatar {
    flex-shrink: 0;
}

.expert-avatar .avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
}

.expert-content h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.expert-content h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.expert-title {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 20px;
    font-style: italic;
}

.expert-content p {
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 25px;
}

.expert-credentials {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.credential {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .attack-types-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .checklist-item {
        flex-direction: column;
        text-align: center;
    }

    .expert-card {
        flex-direction: column;
        text-align: center;
    }

    .expert-credentials {
        justify-content: center;
    }

    .toc-card {
        padding: 25px;
    }

    .guide-card,
    .myth-card,
    .attack-type-card,
    .metric-card {
        padding: 25px;
    }
}