/**
 * AI应用搭建服务落地页 - 积木式·模块化·科技感
 * 色彩：青绿/薄荷 + 活力橙
 */

/* 变量 */
.setup-landing-page {
    --setup-primary: #0d9488;
    --setup-primary-light: #14b8a6;
    --setup-accent: #f97316;
    --setup-bg: #f0fdfa;
    --setup-card: #ffffff;
    --setup-text: #134e4a;
    --setup-text-muted: #5eead4;
}

/* 主内容区 */
.setup-landing-content {
    padding: 70px 0 80px;
    background: linear-gradient(165deg, #f0fdfa 0%, #ccfbf1 50%, #f0fdfa 100%);
}

.setup-landing-content .section-header {
    text-align: center;
    margin-bottom: 55px;
}

.setup-landing-content .section-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--setup-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.setup-landing-content .section-header h1 .highlight {
    color: var(--setup-primary);
    position: relative;
}

.setup-landing-content .section-header h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(245, 115, 22, 0.35);
    z-index: -1;
}

.setup-landing-content .section-header p {
    font-size: 1.15rem;
    color: #0f766e;
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 核心卖点 - 非对称网格 */
.setup-landing-features {
    margin-bottom: 70px;
}

.setup-landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.setup-landing-feature-card {
    background: var(--setup-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.12);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    border: 1px solid rgba(13, 148, 136, 0.12);
}

.setup-landing-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(13, 148, 136, 0.2);
}

.setup-landing-feature-card:nth-child(2) {
    transform: translateY(15px);
}

.setup-landing-feature-card:nth-child(2):hover {
    transform: translateY(7px);
}

.setup-landing-feature-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.setup-landing-feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.setup-landing-feature-content {
    padding: 24px;
}

.setup-landing-feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--setup-primary), var(--setup-primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.setup-landing-feature-icon i {
    font-size: 1.4rem;
    color: #fff;
}

.setup-landing-feature-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 10px;
}

.setup-landing-feature-content p {
    font-size: 0.95rem;
    color: #0f766e;
    line-height: 1.6;
    margin: 0;
}

/* 搭建内容 - 积木式卡片 */
.setup-landing-outline {
    margin-bottom: 70px;
}

.setup-landing-outline .section-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 32px;
    padding-left: 18px;
    border-left: 4px solid var(--setup-accent);
}

.setup-landing-outline-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.setup-landing-outline-item {
    background: var(--setup-card);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
    border-left: 4px solid var(--setup-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.setup-landing-outline-item:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 30px rgba(13, 148, 136, 0.15);
}

.setup-landing-outline-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.setup-landing-outline-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--setup-primary);
    opacity: 0.9;
}

.setup-landing-outline-header h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--setup-text);
    margin: 0;
}

.setup-landing-outline-content {
    list-style: none;
    padding: 0;
    margin: 0;
}

.setup-landing-outline-content li {
    font-size: 0.95rem;
    color: #0f766e;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.setup-landing-outline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--setup-accent);
    font-weight: bold;
}

/* 服务收益 */
.setup-landing-benefits {
    margin-bottom: 70px;
}

.setup-landing-benefits .section-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 32px;
    padding-left: 18px;
    border-left: 4px solid var(--setup-accent);
}

.setup-landing-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.setup-landing-benefit-item {
    background: var(--setup-card);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.setup-landing-benefit-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 35px rgba(13, 148, 136, 0.18);
}

.setup-landing-benefit-item i {
    font-size: 2.2rem;
    color: var(--setup-primary);
    margin-bottom: 16px;
    display: block;
}

.setup-landing-benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 8px;
}

.setup-landing-benefit-item p {
    font-size: 0.9rem;
    color: #0f766e;
    margin: 0;
    line-height: 1.5;
}

/* 服务方式 */
.setup-landing-methods {
    margin-bottom: 70px;
}

.setup-landing-methods .section-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 32px;
    padding-left: 18px;
    border-left: 4px solid var(--setup-accent);
}

.setup-landing-methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.setup-landing-method-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--setup-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.setup-landing-method-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(13, 148, 136, 0.15);
}

.setup-landing-method-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.15), rgba(20, 184, 166, 0.2));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.setup-landing-method-icon i {
    font-size: 1.5rem;
    color: var(--setup-primary);
}

.setup-landing-method-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 6px;
}

.setup-landing-method-content p {
    font-size: 0.9rem;
    color: #0f766e;
    margin: 0;
    line-height: 1.5;
}

/* 适用人群 */
.setup-landing-audience {
    margin-bottom: 0;
}

.setup-landing-audience .section-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 32px;
    padding-left: 18px;
    border-left: 4px solid var(--setup-accent);
}

.setup-landing-audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.setup-landing-audience-item {
    background: var(--setup-card);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.setup-landing-audience-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(13, 148, 136, 0.15);
}

.setup-landing-audience-item i {
    font-size: 1.8rem;
    color: var(--setup-primary);
    margin-bottom: 12px;
    display: block;
}

.setup-landing-audience-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--setup-text);
    margin-bottom: 8px;
}

.setup-landing-audience-item p {
    font-size: 0.9rem;
    color: #0f766e;
    margin: 0;
    line-height: 1.5;
}

/* FAQ 区域 - 积木式风格 */
.setup-landing-page #faq {
    background: linear-gradient(180deg, #f0fdfa 0%, #e6fffa 100%);
    padding: 70px 0 80px;
}

.setup-landing-page #faq .section-header h2 .highlight {
    color: var(--setup-primary);
}

.setup-landing-page #faq .faq-item {
    background: var(--setup-card);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
    border: 1px solid rgba(13, 148, 136, 0.12);
}

.setup-landing-page #faq .faq-item:hover {
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.12);
}

.setup-landing-page #faq .faq-item.active .faq-icon i {
    color: var(--setup-primary);
}

/* 响应式 */
@media (max-width: 991px) {
    .setup-landing-features-grid {
        grid-template-columns: 1fr;
    }

    .setup-landing-feature-card:nth-child(2) {
        transform: none;
    }

    .setup-landing-feature-card:nth-child(2):hover {
        transform: translateY(-8px);
    }

    .setup-landing-outline-grid {
        grid-template-columns: 1fr;
    }

    .setup-landing-benefits-grid,
    .setup-landing-audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .setup-landing-methods-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .setup-landing-content .section-header h1 {
        font-size: 1.9rem;
    }

    .setup-landing-benefits-grid,
    .setup-landing-audience-grid {
        grid-template-columns: 1fr;
    }
}