/*
Theme Name: 跨境工具箱
Description: 专为跨境电商卖家打造的工具导航主题，集成工具卡片、SEO优化、广告位与联盟链接。
Version: 1.2
Text Domain: cross-border-tools
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* ==================== 基础样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background: #f8f9fa;
    line-height: 1.6;
    padding-top: 179px;
}

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

/* ==================== 头部样式 - 固定导航 ==================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    color: white;
    padding: 8px 20px;
    text-align: center;
    border-radius: 0;
    margin-bottom: 0;
    border-bottom: 1px solid #ecf0f1;
    z-index: 1000;
    min-height: 20px;
    box-shadow: none;
}

header h1 {
    display: none;
}

header p {
    display: none;
}

/* ==================== 导航样式 - 固定导航 ==================== */
nav.nav {
    position: fixed;
    top: 36px;
    left: 0;
    right: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 20px;
    background: #ffffff;
    border-bottom: 1px solid #ecf0f1;
    box-shadow: none;
    z-index: 999;
    margin-bottom: 0;
    min-height: 45px;
}

nav.nav .nav-links {
    display: inline-flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 100%;
}

nav.nav a {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
    font-size: 0.95em;
    white-space: nowrap;
}

nav.nav a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(52, 152, 219, 0.4);
}

/* ==================== 首页样式 ==================== */
.homepage {
    display: block;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.homepage.hidden {
    display: none;
    opacity: 0;
}

.homepage-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 40px;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 50px;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

.homepage-hero h2 {
    font-size: 3em;
    margin-bottom: 15px;
    font-weight: 800;
}

.homepage-hero p {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #e0e7ff;
}

.homepage-hero .hero-subtitle {
    font-size: 1.1em;
    color: #c7d2fe;
    margin-top: 15px;
}

/* 首页功能介绍 */
.homepage-features {
    margin-bottom: 60px;
}

.homepage-features h3 {
    color: #2c3e50;
    font-size: 2em;
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 3px solid #667eea;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.feature-card {
    background: white;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.2);
}

.feature-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.feature-card h4 {
    color: #2c3e50;
    font-size: 1.3em;
    margin-bottom: 12px;
}

.feature-card p {
    color: #666;
    font-size: 0.95em;
    line-height: 1.6;
    margin: 0;
}

/* 首页平台卡片 */
.homepage-platforms,
.homepage-tools {
    margin-bottom: 50px;
}

.homepage-platforms h3,
.homepage-tools h3 {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 3px solid #3498db;
}

.platforms-card-grid,
.tools-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.platform-card,
.tool-card-home {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.platform-card:hover,
.tool-card-home:hover {
    border-color: #667eea;
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.platform-card-emoji,
.tool-card-emoji {
    font-size: 2.5em;
    margin-bottom: 12px;
    display: block;
}

.platform-card h4,
.tool-card-home h4 {
    color: #2c3e50;
    font-size: 1.1em;
    margin-bottom: 10px;
    font-weight: 600;
}

.platform-card p,
.tool-card-home p {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 15px;
    line-height: 1.5;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-card a,
.tool-card-home a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9em;
    transition: color 0.3s ease;
}

.platform-card a:hover,
.tool-card-home a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* CTA按钮区域 */
.homepage-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 30px;
    text-align: center;
    border-radius: 12px;
    margin-top: 50px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.homepage-cta p {
    font-size: 1.4em;
    margin-bottom: 25px;
    font-weight: 600;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1.05em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.cta-primary {
    background: white;
    color: #667eea;
}

.cta-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.cta-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-secondary:hover {
    background: white;
    color: #667eea;
    transform: scale(1.05);
}

/* ==================== 工具标签样式 - 固定导航 ==================== */
.tools-tabs {
    position: fixed;
    top: 110px;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    padding: 12px 20px;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
    border-bottom: 1px solid #3498db;
    z-index: 998;
    overflow-x: auto;
    overflow-y: hidden;
    min-height: 50px;
}

.tools-tabs > div {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.tool-btn {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 10px 15px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9em;
    font-family: inherit;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    white-space: nowrap;
}

.tool-btn:hover {
    background: #3498db;
    color: white;
    border-color: #3498db;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.tool-btn.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* ==================== 平台标签样式 - 固定导航 ==================== */
.platform-tabs {
    position: fixed;
    top: 105px;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    padding: 12px 20px;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
    border-bottom: 1px solid #e74c3c;
    z-index: 998;
    overflow-x: auto;
    overflow-y: hidden;
    min-height: 50px;
    display: none;
}

.platform-tabs > div {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.platform-btn {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 10px 15px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9em;
    font-family: inherit;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    white-space: nowrap;
}

.platform-btn:hover {
    background: #e74c3c;
    color: white;
    border-color: #e74c3c;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.platform-btn.active {
    background: #e74c3c;
    color: white;
    border-color: #e74c3c;
}
    border-color: #e74c3c;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.platform-btn.active {
    background: #e74c3c;
    color: white;
    border-color: #e74c3c;
}

/* ==================== 内容区域样式 ==================== */
.tool-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.tool-content.active {
    display: block;
    opacity: 1;
}

.platform-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.platform-content.active {
    display: block;
    opacity: 1;
}

/* 平台内容样式 */
.platform-description {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    border-left: 4px solid #e74c3c;
}

.platform-description p {
    color: #333;
    font-size: 1.05em;
    line-height: 1.8;
    margin: 0;
}

.platform-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid #ecf0f1;
}

.platform-section:last-child {
    border-bottom: none;
}

.platform-section h3 {
    color: #2c3e50;
    font-size: 1.3em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e74c3c;
}

/* 区域样式 */
.platform-regions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.region-item {
    background: white;
    padding: 15px 20px;
    border: 2px solid #e0e6ed;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.region-item:hover {
    border-color: #e74c3c;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.15);
}

.region-item strong {
    display: block;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 1.05em;
}

.region-item a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.region-item a:hover {
    color: #c0392b;
    text-decoration: underline;
}

/* 入驻渠道样式 */
.platform-channels {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.channel-item {
    background: linear-gradient(135deg, #fef5f0 0%, #fff5f0 100%);
    padding: 18px 20px;
    border: 2px solid #f5e6e0;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.channel-item:hover {
    background: linear-gradient(135deg, #ffe8e0 0%, #ffd9cc 100%);
    border-color: #e74c3c;
    transform: translateY(-3px);
}

.channel-item a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05em;
    transition: all 0.3s ease;
}

.channel-item a:hover {
    color: #c0392b;
}

/* 知识点样式 */
.platform-knowledge ol {
    counter-reset: item;
    padding-left: 0;
}

.platform-knowledge li {
    counter-increment: item;
    margin-bottom: 12px;
    margin-left: 30px;
    color: #333;
    font-size: 1em;
    line-height: 1.6;
}

.platform-knowledge li::before {
    content: counter(item) ". ";
    color: #e74c3c;
    font-weight: 700;
    margin-right: 8px;
}

.section {
    margin-bottom: 50px;
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.section h2 {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 3px solid #3498db;
}

.section > p {
    color: #666;
    font-size: 1.05em;
    margin-bottom: 25px;
}

/* 联系我们区域 */
.contact-section {
    border-top: 4px solid #3498db;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.contact-card {
    background: #f8fbff;
    border: 1px solid #dbeaf7;
    border-radius: 10px;
    padding: 22px;
    transition: all 0.25s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.12);
}

.contact-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.15em;
}

.contact-card p {
    margin-bottom: 8px;
    color: #4b5563;
    font-size: 0.95em;
    line-height: 1.6;
}

.contact-card p:last-child {
    margin-bottom: 0;
}

.contact-card a {
    color: #1d6fa5;
    text-decoration: none;
    font-weight: 600;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* ==================== 卡片网格样式 ==================== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.tool-card {
    background: white;
    border: 1px solid #e0e6ed;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
    border-color: #3498db;
}

.tool-card h3 {
    color: #2c3e50;
    margin-bottom: 12px;
    font-size: 1.25em;
}

.tool-card p {
    color: #666;
    font-size: 0.95em;
    margin-bottom: 15px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-card a {
    display: inline-block;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95em;
    transition: all 0.3s ease;
}

.tool-card a:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.tool-card a.btn-red {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.tool-card a.btn-red:hover {
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

/* ==================== 广告位样式 ==================== */
.ad-banner {
    background: linear-gradient(135deg, #ecf0f1 0%, #e8eef5 100%);
    padding: 25px;
    text-align: center;
    border-radius: 10px;
    margin: 40px 0;
    border: 2px dashed #bdc3c7;
    transition: all 0.3s ease;
}

.ad-banner:hover {
    border-color: #3498db;
    background: linear-gradient(135deg, #e8f4f8 0%, #e0f0f8 100%);
}

.ad-banner p {
    color: #666;
    font-size: 0.95em;
    margin: 0;
}

/* ==================== 新闻区域样式 ==================== */
.news-section {
    display: grid;
    gap: 20px;
}

.news-item {
    padding: 20px;
    border-left: 4px solid #3498db;
    background: #f8f9fa;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.news-item:hover {
    background: #e8f4f8;
    border-left-color: #2980b9;
    transform: translateX(4px);
}

.news-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.news-item p {
    color: #666;
    font-size: 0.95em;
    margin-bottom: 12px;
}

.news-item a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-item a:hover {
    color: #2980b9;
}

/* ==================== 页脚样式 ==================== */
footer {
    text-align: center;
    padding: 40px 0;
    color: #666;
    font-size: 0.95em;
    margin-top: 80px;
    border-top: 2px solid #ecf0f1;
}

footer p {
    margin: 0;
}

/* ==================== 返回顶部按钮 ==================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
    transition: all 0.3s ease;
    z-index: 997;
    border: none;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.5);
}

.scroll-to-top.show {
    display: flex;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    body {
        padding-top: 171px;
    }

    .container {
        padding: 15px;
    }

    header {
        padding: 8px 15px;
        background: #ffffff;
        border-bottom: 1px solid #ecf0f1;
    }

    header h1 {
        display: none;
    }

    header p {
        display: none;
    }

    nav.nav {
        top: 36px;
        gap: 8px;
        padding: 10px 15px;
        min-height: 42px;
        background: #ffffff;
        border-bottom: 1px solid #ecf0f1;
        box-shadow: none;
    }

    nav.nav a {
        padding: 7px 13px;
        font-size: 0.9em;
    }

    .tools-tabs {
        top: 97px;
        padding: 10px 15px;
        min-height: 48px;
        background: #ffffff;
        border-bottom: 1px solid #3498db;
        box-shadow: none;
    }

    .tools-tabs > div {
        gap: 5px;
        padding: 0 15px;
    }

    .tool-btn {
        padding: 7px 12px;
        font-size: 0.85em;
    }

    .platform-tabs {
        top: 97px;
        padding: 10px 15px;
        min-height: 48px;
        background: #ffffff;
        border-bottom: 1px solid #e74c3c;
        box-shadow: none;
    }

    .platform-tabs > div {
        gap: 5px;
        padding: 0 15px;
    }

    .platform-btn {
        padding: 7px 12px;
        font-size: 0.85em;
    }

    .homepage-hero {
        padding: 50px 25px;
    }

    .homepage-hero h2 {
        font-size: 2em;
    }

    .homepage-hero p {
        font-size: 1.2em;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }

    .feature-card {
        padding: 25px 15px;
    }

    .feature-icon {
        font-size: 2.2em;
    }

    .platforms-card-grid,
    .tools-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .platform-card,
    .tool-card-home {
        padding: 20px 10px;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .cta-btn {
        width: 100%;
        padding: 12px 24px;
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
    }

    .tool-card {
        padding: 20px;
    }

    .tool-btn {
        padding: 10px 14px;
        font-size: 0.9em;
    }

    .platform-btn {
        padding: 10px 14px;
        font-size: 0.9em;
    }

    .platform-regions {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .platform-channels {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .section {
        padding: 25px 20px;
    }

    .section h2 {
        font-size: 1.4em;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 168px;
    }

    header {
        padding: 8px 10px;
        background: #ffffff;
        border-bottom: 1px solid #ecf0f1;
    }

    header h1 {
        display: none;
    }

    header p {
        display: none;
    }

    nav.nav {
        top: 36px;
        gap: 6px;
        padding: 9px 8px;
        min-height: 40px;
        background: #ffffff;
        border-bottom: 1px solid #ecf0f1;
        box-shadow: none;
    }

    nav.nav a {
        padding: 7px 11px;
        font-size: 0.85em;
    }

    .tools-tabs {
        top: 88px;
        padding: 9px 8px;
        min-height: 45px;
        background: #ffffff;
        border-bottom: 1px solid #3498db;
        box-shadow: none;
    }

    .tools-tabs > div {
        gap: 4px;
        padding: 0 8px;
    }

    .tool-btn {
        padding: 8px 11px;
        font-size: 0.8em;
    }

    .platform-tabs {
        top: 88px;
        padding: 9px 8px;
        min-height: 45px;
        background: #ffffff;
        border-bottom: 1px solid #e74c3c;
        box-shadow: none;
    }

    .platform-tabs > div {
        gap: 4px;
        padding: 0 8px;
    }

    .platform-btn {
        padding: 8px 11px;
        font-size: 0.8em;
    }

    .homepage-hero {
        padding: 40px 15px;
    }

    .homepage-hero h2 {
        font-size: 1.6em;
        margin-bottom: 10px;
    }

    .homepage-hero p {
        font-size: 1em;
    }

    .homepage-hero .hero-subtitle {
        font-size: 0.95em;
    }

    .homepage-features h3,
    .homepage-platforms h3,
    .homepage-tools h3 {
        font-size: 1.4em;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .platform-card,
    .tool-card-home {
        padding: 18px 12px;
    }

    .platform-card-emoji,
    .tool-card-emoji {
        font-size: 2em;
    }

    .platforms-card-grid,
    .tools-card-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .homepage-cta {
        padding: 30px 15px;
    }

    .homepage-cta p {
        font-size: 1.1em;
        margin-bottom: 18px;
    }

    .cta-btn {
        padding: 12px 20px;
        font-size: 0.95em;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .platform-regions {
        grid-template-columns: 1fr;
    }

    .platform-channels {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 20px 15px;
    }

    .section h2 {
        font-size: 1.2em;
    }
}