.main-page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.hero-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--spacing-lg) var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: heroFadeIn 1s ease-out;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-fangsong);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-orange) 50%, var(--primary-green-light) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroGradientShift 4s ease infinite;
    letter-spacing: 3px;
    text-shadow: 0 4px 20px rgba(78, 205, 196, 0.3);
}

@keyframes heroGradientShift {
    0%, 100% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
}

.hero-subtitle {
    font-family: var(--font-fangsong);
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
    line-height: 1.8;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-family: var(--font-fangsong);
    font-size: clamp(0.9rem, 2vw, 1.15rem);
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.cta-section {
    margin-top: var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-family: var(--font-fangsong);
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    min-width: 160px;
}

.cta-buttons .btn-primary {
    background: var(--gradient-main);
    color: var(--text-dark);
    border: none;
    box-shadow: 0 4px 20px rgba(78, 205, 196, 0.4);
}

.cta-buttons .btn-primary:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 8px 30px rgba(78, 205, 196, 0.5);
}

.cta-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.cta-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-4px);
}

.features-section {
    padding: var(--spacing-3xl) 0;
    background: transparent;
}

.section-title {
    font-family: var(--font-fangsong);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    letter-spacing: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px) saturate(1.1);
    -webkit-backdrop-filter: blur(12px) saturate(1.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: featureFadeIn 0.6s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.15s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.25s; }
.feature-card:nth-child(5) { animation-delay: 0.3s; }
.feature-card:nth-child(6) { animation-delay: 0.35s; }
.feature-card:nth-child(7) { animation-delay: 0.4s; }
.feature-card:nth-child(8) { animation-delay: 0.45s; }
.feature-card:nth-child(9) { animation-delay: 0.5s; }
.feature-card:nth-child(10) { animation-delay: 0.55s; }
.feature-card:nth-child(11) { animation-delay: 0.6s; }
.feature-card:nth-child(12) { animation-delay: 0.65s; }
.feature-card:nth-child(13) { animation-delay: 0.7s; }
.feature-card:nth-child(14) { animation-delay: 0.75s; }

@keyframes featureFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.8rem;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.6);
}

.feature-title {
    font-family: var(--font-fangsong);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.feature-description {
    font-family: var(--font-fangsong);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.88);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

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

.feature-list li {
    padding: var(--spacing-xs) 0;
    font-family: var(--font-fangsong);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-list li i {
    color: var(--primary-green-light);
    font-size: var(--font-size-xs);
}

.site-footer {
    padding: var(--spacing-2xl) 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: var(--gradient-main);
    color: var(--text-dark);
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-family: var(--font-fangsong);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.footer-link:hover {
    color: var(--primary-green-light);
    background: rgba(78, 205, 196, 0.1);
}

.footer-copyright {
    text-align: center;
}

.footer-copyright p {
    font-family: var(--font-fangsong);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-family: var(--font-fangsong);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-xs);
}

.immersive-toggle {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: var(--z-fixed);
}

.btn-immersion {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: #ffffff;
    font-family: var(--font-fangsong);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-immersion:hover {
    background: var(--gradient-main);
    color: var(--text-dark);
    border-color: transparent;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

@media (max-width: 1024px) {
    .hero-section {
        min-height: 75vh;
        padding: 100px var(--spacing-md) var(--spacing-2xl);
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 70vh;
        padding: 80px var(--spacing-sm) var(--spacing-xl);
    }

    .hero-title {
        letter-spacing: 2px;
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: var(--spacing-2xl);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }

    .feature-card {
        padding: var(--spacing-xl);
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .feature-title {
        font-size: var(--font-size-lg);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-social {
        gap: var(--spacing-md);
    }

    .social-link {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .immersive-toggle {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }

    .btn-immersion {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .hero-section {
        min-height: 60vh;
        padding: 60px var(--spacing-xs) var(--spacing-lg);
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-description {
        font-size: 0.85rem;
        line-height: 1.8;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .feature-list li {
        font-size: var(--font-size-xs);
    }

    .site-footer {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .footer-copyright p {
        font-size: var(--font-size-xs);
    }

    .immersive-toggle {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}

@media (prefers-contrast: high) {
    .feature-card {
        background: rgba(0, 0, 0, 0.7);
        border: 2px solid #ffffff;
    }

    .hero-title {
        text-shadow: none;
    }

    .cta-buttons .btn {
        border-width: 3px;
    }

    .social-link {
        border: 2px solid #ffffff;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-title,
    .feature-card,
    .cta-buttons .btn,
    .social-link {
        animation: none;
        transition: none;
    }

    .hero-content {
        opacity: 1;
        transform: none;
    }
}