/* ============================================
   蜜桃 影视传媒 - 全站样式表
   品牌: 蜜桃 | 域名: ast321.org.cn
   原创设计 - 深紫黑+活力橙+科技青绿
   ============================================ */

/* === 基础重置与变量 === */
:root {
    --primary: #1A0A2E;
    --primary-light: #2D1B69;
    --accent-orange: #FF6B35;
    --accent-teal: #00D4AA;
    --bg-dark: #0D0D1A;
    --bg-card: #151528;
    --bg-card-hover: #1E1E3A;
    --text-main: #E8E8F0;
    --text-muted: #9A9AB8;
    --text-bright: #FFFFFF;
    --border-color: rgba(255,255,255,0.08);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-hover: 0 8px 40px rgba(255,107,53,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --max-width: 1280px;
    --gradient-main: linear-gradient(135deg, #1A0A2E 0%, #2D1B69 50%, #0D0D1A 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B35, #FF8F65);
    --gradient-teal: linear-gradient(135deg, #00D4AA, #00F5C8);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-teal);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-orange);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* === 顶部导航栏 === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13,13,26,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(13,13,26,0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-logo .logo-img-text {
    height: 28px;
    width: auto;
}

.site-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a {
    color: var(--text-main);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-orange);
    background: rgba(255,107,53,0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* === 搜索栏 === */
.search-bar-wrap {
    background: var(--primary);
    padding: 12px 0;
    margin-top: 68px;
    border-bottom: 1px solid var(--border-color);
}

.search-bar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-bar input {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 10px 20px;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.search-bar input:focus {
    border-color: var(--accent-teal);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(0,212,170,0.15);
}

.search-bar input::placeholder {
    color: var(--text-muted);
}

.search-bar button {
    background: var(--gradient-accent);
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-bar button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255,107,53,0.4);
}

/* === Hero Banner === */
.hero-banner {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-main);
}

.hero-banner .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

.hero-banner .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(13,13,26,0.3) 0%, rgba(13,13,26,0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-content h1 .brand-highlight {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-accent);
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,107,53,0.4);
    color: #fff;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--accent-teal);
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--accent-teal);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(0,212,170,0.1);
    transform: translateY(-2px);
    color: var(--accent-teal);
}

/* === 通用区块 === */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--primary);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-bright);
}

.section-header h2 .hl-orange {
    color: var(--accent-orange);
}

.section-header h2 .hl-teal {
    color: var(--accent-teal);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    background: rgba(255,107,53,0.12);
    color: var(--accent-orange);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

/* === 视频卡片网格 === */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.video-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,107,53,0.3);
}

.video-thumb {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 64px;
    height: 64px;
    background: rgba(255,107,53,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.video-play-btn::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #fff;
    margin-left: 4px;
}

.video-card:hover .video-play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.video-info {
    padding: 16px;
}

.video-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-tags {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.video-tags span {
    background: rgba(0,212,170,0.1);
    color: var(--accent-teal);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
}

/* === 模块卡片 === */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.module-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,107,53,0.3);
}

.module-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.module-icon.teal {
    background: var(--gradient-teal);
}

.module-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 10px;
}

.module-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* === 专家展示 === */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.expert-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.expert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
    border: 3px solid var(--accent-orange);
}

.expert-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 4px;
}

.expert-role {
    font-size: 0.85rem;
    color: var(--accent-teal);
    margin-bottom: 12px;
}

.expert-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.expert-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.expert-btns a {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition);
}

.expert-btns .btn-sm-primary {
    background: var(--gradient-accent);
    color: #fff;
}

.expert-btns .btn-sm-outline {
    border: 1px solid var(--accent-teal);
    color: var(--accent-teal);
}

/* === FAQ === */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent-orange);
}

.faq-question .faq-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--accent-orange);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* === 用户评论 === */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.review-card:hover {
    border-color: rgba(0,212,170,0.3);
}

.review-stars {
    color: var(--accent-orange);
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.review-card blockquote {
    font-size: 0.92rem;
    color: var(--text-main);
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.review-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
}

.review-author-info strong {
    font-size: 0.9rem;
    color: var(--text-bright);
}

.review-author-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
}

/* === 品牌合作墙 === */
.brand-wall {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    align-items: center;
}

.brand-wall img {
    height: 60px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: var(--transition);
}

.brand-wall img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* === 联系我们 === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.contact-card h4 {
    font-size: 1rem;
    color: var(--accent-orange);
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === 分享按钮 === */
.share-bar {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 20px 0;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition);
}

.share-btn:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    background: rgba(255,107,53,0.08);
}

/* === 页脚 === */
.site-footer {
    background: var(--primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
}

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

.footer-brand .logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-qrcodes {
    display: flex;
    gap: 16px;
}

.footer-qrcodes img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 0.88rem;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-orange);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--accent-teal);
}

/* === 面包屑 === */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--accent-orange);
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--text-muted);
}

/* === How-To 指南 === */
.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    counter-reset: step;
}

.howto-step {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--border-color);
    position: relative;
    counter-increment: step;
}

.howto-step::before {
    content: counter(step);
    position: absolute;
    top: -12px;
    left: 20px;
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
}

.howto-step h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 8px;
    margin-top: 8px;
}

.howto-step p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* === 数据统计 === */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 0;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* === 内页通用 === */
.page-hero {
    background: var(--gradient-main);
    padding: 120px 0 60px;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 60px 0;
}

.content-block {
    margin-bottom: 48px;
}

.content-block h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 16px;
    padding-left: 16px;
    border-left: 4px solid var(--accent-orange);
}

.content-block h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.content-block p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* === 懒加载 === */
.lazy-img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-img.loaded {
    opacity: 1;
}

/* === 回到顶部 === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(255,107,53,0.5);
}

/* === 响应式 === */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(13,13,26,0.98);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border-color);
    }
    .main-nav.open {
        display: flex;
    }
    .main-nav a {
        padding: 12px 16px;
        font-size: 1rem;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-banner {
        min-height: 400px;
    }
    .section {
        padding: 50px 0;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-num {
        font-size: 1.8rem;
    }
    .page-hero {
        padding: 100px 0 40px;
    }
    .page-hero h1 {
        font-size: 1.8rem;
    }
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    .search-bar {
        flex-direction: column;
    }
    .search-bar button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }
    .module-grid, .expert-grid, .review-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}