/* 着陆页专用样式 - 拟态风格 */

/* 全局样式 */
.landing-page {
    background: var(--bg-color);
    overflow-x: hidden;
}

/* 页面加载动画 */
@keyframes pageLoad {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.landing-page section {
    animation: pageLoad 0.8s ease-out;
}

/* 滚动动画 */
@keyframes scrollFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 导航栏 */
.landing-nav {
    background: var(--card-bg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
    transition: all 0.3s ease;
}

.nav-logo:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--card-bg);
    box-shadow: inset 2px 2px 5px var(--shadow-dark),
                inset -2px -2px 5px var(--shadow-light);
}

/* 英雄区 */
.hero-section {
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--card-bg);
    border-radius: 50px;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--text-color);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-hero.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light),
                0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-hero.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light),
                0 10px 30px rgba(102, 126, 234, 0.5);
}

.btn-hero.btn-secondary {
    background: var(--card-bg);
    color: var(--primary-color);
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
}

.btn-hero.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
}

.hero-image {
    position: absolute;
    right: 100px;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.card-1 {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 180px;
    right: 20px;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 80px;
    left: 80px;
    animation-delay: 1s;
}

.card-icon {
    font-size: 2rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
}

/* 功能特色区 */
.features-section {
    padding: 80px 0;
    background: var(--bg-color);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transition: height 0.4s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light),
                0 10px 30px rgba(102, 126, 234, 0.15);
}

.feature-card:hover::before {
    height: 100%;
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    width: 90px;
    height: 90px;
    background: var(--card-bg);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    box-shadow: inset 4px 4px 8px var(--shadow-dark),
                inset -4px -4px 8px var(--shadow-light);
    position: relative;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon-wrapper {
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    font-size: 2.5rem;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* 使用流程 */
.process-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03), rgba(118, 75, 162, 0.03));
    position: relative;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.process-item {
    flex: 1;
    min-width: 180px;
    text-align: center;
    padding: 30px 20px;
    background: var(--card-bg);
    border-radius: 18px;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.process-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.process-item:hover {
    transform: translateY(-10px);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light),
                0 10px 25px rgba(102, 126, 234, 0.2);
}

.process-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4),
                inset 0 2px 4px rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.process-item:hover .process-number {
    transform: scale(1.15) rotate(360deg);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5),
                inset 0 2px 4px rgba(255, 255, 255, 0.4);
}

.process-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.process-content p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.process-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.4;
}

/* 价格套餐 */
.pricing-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light),
                0 10px 40px rgba(102, 126, 234, 0.25);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light),
                0 15px 35px rgba(102, 126, 234, 0.2);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 14px 14px 28px var(--shadow-dark),
                -14px -14px 28px var(--shadow-light),
                0 15px 45px rgba(102, 126, 234, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4),
                inset 0 1px 2px rgba(255, 255, 255, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.price-currency {
    font-size: 1.2rem;
    color: var(--text-light);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    font-size: 1rem;
    color: var(--text-color);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 14px 30px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.pricing-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.pricing-btn:hover::before {
    width: 300px;
    height: 300px;
}

.pricing-btn.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light),
                0 6px 20px rgba(102, 126, 234, 0.4);
}

.pricing-btn.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light),
                0 10px 30px rgba(102, 126, 234, 0.5);
}

.pricing-btn.btn-outline {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.pricing-btn.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light),
                0 8px 20px rgba(102, 126, 234, 0.4);
}

/* 页脚 */
.landing-footer {
    background: var(--card-bg);
    padding: 60px 0 30px;
    margin-top: 80px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
}

.landing-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.footer-column a {
    display: block;
    margin-bottom: 12px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 5px 0;
    position: relative;
    padding-left: 15px;
}

.footer-column a::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: var(--primary-color);
    padding-left: 20px;
}

.footer-column a:hover::before {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid rgba(102, 126, 234, 0.1);
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-image {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .hero-section {
        padding: 60px 0 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-hero {
        width: 100%;
        justify-content: center;
    }
    
    .process-timeline {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        gap: 40px;
    }
}