/* 有书 - Landing Page 特有样式 */

/* Container样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* Landing页面基础布局 */
.lp-body {
    position: relative;
    min-height: 100vh;
}

/* 无障碍跳过链接 */
.lp-skip {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    z-index: 1001;
    text-decoration: none;
    font-weight: 600;
}

.lp-skip:focus {
    top: 0;
}

/* 导航栏 */
.lp-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
}

.lp-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.brand-mark.brand-icon svg,
.brand-mark.brand-icon img {
    width: 24px;
    height: 24px;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-text strong {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.brand-text span {
    font-size: 12px;
    color: var(--text-muted);
}

.lp-nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.lp-nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
}

.lp-nav-links a:hover {
    color: var(--accent-deep);
}

.lp-nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lp-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 32px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.lp-nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
}

/* 移动端菜单 */
.lp-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px;
    flex-direction: column;
    gap: 12px;
}

.lp-mobile-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 8px 0;
}

/* Hero区域 */
.lp-hero {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 80px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.lp-hero-copy {
    flex: 1;
}

.lp-hero-visual {
    flex: 1;
}

/* 按钮样式 */
.lp-btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* 区域背景 */
.lp-section-muted {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    padding: 60px 24px;
}

/* 价格卡片 */
.lp-price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.lp-price-card {
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    position: relative;
    display: flex;
    flex-direction: column;
}

.lp-price-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    padding: 4px 10px;
    border-radius: 999px;
}

.lp-price-popular {
    border-color: rgba(30, 184, 168, 0.35);
    box-shadow: 0 12px 40px rgba(30, 184, 168, 0.12);
}

.lp-price-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text-primary);
}

.lp-price-original {
    font-size: 16px;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: 4px;
}

.lp-price {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.lp-price-period {
    font-size: 13px;
    color: var(--text-muted);
    margin: 4px 0 20px;
}

.lp-price-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
}

.lp-price-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
}

/* 页脚 */
.lp-footer {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    padding: 48px 0 32px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.lp-footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.lp-footer-brand h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--text-primary);
}

.lp-footer-brand p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0 0 8px;
    max-width: 320px;
}

.lp-footer-section {
    display: flex;
    flex-direction: column;
}

.lp-footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 16px;
    color: var(--text-primary);
}

.lp-footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 0;
    transition: color var(--transition);
}

.lp-footer-section a:hover {
    color: var(--accent-deep);
}

.lp-footer-bottom {
    text-align: center;
    padding-top: 24px;
    margin-top: 32px;
    border-top: 1px solid var(--glass-border);
    font-size: 12px;
    color: var(--text-muted);
}

.lp-footer-bottom p {
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .lp-hero {
        flex-direction: column;
        text-align: center;
    }

    .lp-nav-links {
        display: none;
    }

    .lp-nav-toggle {
        display: flex;
    }

    .lp-mobile-menu {
        display: flex;
    }

    .lp-mobile-menu[hidden] {
        display: none;
    }
}

@media (max-width: 768px) {
    .lp-nav {
        padding: 12px 16px;
    }

    .lp-hero {
        padding: 40px 16px;
    }

    .lp-stats {
        flex-direction: column;
        gap: 24px;
    }

    .lp-feature-grid {
        grid-template-columns: 1fr;
    }

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

    .lp-price-grid {
        grid-template-columns: 1fr;
    }

    .lp-footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}