/* 下载页面和联系页面专业样式 - 现代化设计 */

/* 页面头部样式 - 专业渐变设计 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.download-header,
.contact-header {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

/* 工具页面样式 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.tool-image {
    width: 100%;
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.tool-img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

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

.tool-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.tool-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.tool-features {
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--success-color);
    margin-right: var(--spacing-sm);
    font-size: 1.125rem;
}

.tool-info {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.info-item span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.tool-actions {
    display: flex;
    gap: var(--spacing-md);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    flex: 1;
    justify-content: center;
}

.download-btn.primary {
    background: var(--accent-gradient);
    color: var(--text-white);
}

.download-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.download-btn.secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.download-btn.secondary:hover {
    background: var(--border-light);
    transform: translateY(-2px);
}

.support-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.support-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.support-content h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 700;
}

.support-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.support-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.support-btn.primary {
    background: var(--accent-gradient);
    color: var(--text-white);
}

.support-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.support-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.support-btn.secondary:hover {
    background: var(--border-light);
    transform: translateY(-2px);
}

.download-header h1,
.contact-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.download-header p,
.contact-header p {
    font-size: 1.25rem;
    opacity: 0.95;
    line-height: 1.6;
    font-weight: 400;
}

/* 功能区域样式 */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.features-section h2 {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.features-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* 卡片网格布局 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.download-card,
.contact-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.download-card::before,
.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.download-card:hover::before,
.contact-card:hover::before {
    transform: scaleX(1);
}

.download-card:hover,
.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

/* 主要软件卡片特殊样式 */
.download-card.main {
    background: var(--primary-gradient);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.download-card.main::before {
    background: var(--accent-gradient);
}

.download-card.main:hover {
    transform: translateY(-10px) scale(1.02);
}

/* 图标样式 */
.download-icon {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    font-size: 2.5rem;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.download-card:hover .download-icon {
    transform: scale(1.1) rotate(5deg);
}

.download-card.main .download-icon {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

/* 远程工具图标：放大且去除背景，更简洁 */
.download-icon.secondary {
    background: none;
    box-shadow: none;
    width: 140px;
    height: 140px;
}

.download-icon.secondary .download-tool-img {
    width: 120px;
    height: 120px;
}

/* 卡片内容样式 */
.download-card h3,
.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 700;
}

.download-card.main h3 {
    color: var(--text-white);
}

.download-card p,
.contact-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
    line-height: 1.6;
}

.download-card.main p {
    color: rgba(255, 255, 255, 0.9);
}

/* 下载信息样式 */
.download-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.download-info span {
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.download-info span:hover {
    background: var(--bg-secondary);
    transform: translateX(5px);
}

.download-info span::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.125rem;
}

.download-card.main .download-info span {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.15);
}

.download-card.main .download-info span:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* 下载按钮样式 */
.download-btn {
    width: 100%;
    padding: var(--spacing-lg);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
    font-weight: 700;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* 系统要求样式 */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.req-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.req-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.req-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.req-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 700;
}

.req-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.req-card li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: var(--spacing-lg);
}

.req-card li:last-child {
    border-bottom: none;
}

.req-card li::before {
    content: '•';
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 安装说明样式 */
.installation-guide {
    background: var(--bg-primary);
    padding: var(--spacing-3xl) 0;
    border-radius: var(--radius-2xl);
    margin: var(--spacing-2xl) 0;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* 技术支持样式 */
.tech-support {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background: var(--primary-gradient);
    color: var(--text-white);
    border-radius: var(--radius-2xl);
    margin: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.tech-support::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.support-content {
    position: relative;
    z-index: 2;
}

.support-content h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.support-content p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    opacity: 0.95;
    line-height: 1.6;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.support-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* 联系卡片样式 */
.contact-card .contact-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: 0;
    background: none;
}

.contact-card .contact-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-card .contact-header span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* 二维码样式 */
.qr-code {
    margin-bottom: var(--spacing-xl);
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 3rem;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.qr-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.qr-placeholder:hover::before {
    transform: translateX(100%);
}

.qr-placeholder:hover {
    transform: scale(1.05) rotate(2deg);
}

.qr-placeholder.wechat {
    background: linear-gradient(135deg, #07c160 0%, #05a152 100%);
}

.qr-placeholder.telegram {
    background: linear-gradient(135deg, #0088cc 0%, #006699 100%);
}

.qr-placeholder.other {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    flex-direction: column;
    font-size: 1.5rem;
}

.qr-placeholder.other small {
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

/* 服务时间样式 */
.service-hours {
    background: var(--bg-primary);
    padding: var(--spacing-3xl) 0;
    border-radius: var(--radius-2xl);
    margin: var(--spacing-2xl) 0;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.hours-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.hours-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.hours-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.hours-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.hours-card p {
    font-size: 1.125rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hours-card span {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 常见问题样式 */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.faq-section h2 {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.faq-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.faq-question {
    padding: var(--spacing-xl);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    border: none;
    width: 100%;
    text-align: left;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-question h3 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    font-weight: 600;
}

.faq-question i {
    color: var(--accent-color);
    transition: transform var(--transition-normal);
    font-size: 1.125rem;
}

.faq-answer {
    padding: 0 var(--spacing-xl);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.6;
    padding: var(--spacing-lg) 0;
    font-size: 1rem;
    border-top: 1px solid var(--border-light);
}

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

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* 联系表单样式 */
.contact-form-section {
    background: var(--bg-primary);
    padding: var(--spacing-3xl) 0;
    border-radius: var(--radius-2xl);
    margin: var(--spacing-2xl) 0;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.form-container h2 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.form-container p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-size: 1.125rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    padding: var(--spacing-lg);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
    font-weight: 700;
    background: var(--accent-gradient);
    border: none;
    color: var(--text-white);
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.contact-form button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .tool-card {
        padding: var(--spacing-xl);
    }
    
    .tool-img {
        max-height: 200px;
    }
    
    .tool-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .tool-actions {
        flex-direction: column;
    }
    
    .support-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        max-width: none;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .requirements-grid,
    .hours-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .guide-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .support-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .form-container {
        margin: 0 var(--spacing-md);
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .download-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        max-width: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .requirements-grid,
    .hours-grid,
    .guide-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .download-card,
    .contact-card {
        padding: var(--spacing-xl);
    }
    
    .download-icon {
        width: 100px;
        height: 100px;
        font-size: 2rem;
    }
    
    .qr-placeholder {
        width: 120px;
        height: 120px;
        font-size: 2.5rem;
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
}