/* ==================== 全局样式 ==================== */
:root {
    /* 配色方案 */
    --primary-color: #332A33;
    --background-color: #FFFFFF;
    --sidebar-background: #F8F8F8;
    --border-color: #E5E5E5;
    --text-primary: #332A33;
    --text-secondary: #666666;
    --hover-color: #4A3B4A;

    /* 布局尺寸 */
    --header-height: 100px;
    --sidebar-width: 220px;

    /* 过渡时间 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== 顶部横幅 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, #4A3B4A 0%, #332A33 50%, #2A202A 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    height: 60px;
    width: auto;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-text {
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.search-container {
    flex: 0 1 500px;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 8px 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow var(--transition-fast);
}

.search-form:focus-within {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
    color: var(--text-primary);
    padding: 8px;
}

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

.search-button {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.search-button:hover {
    color: var(--hover-color);
}

/* ==================== 移动端搜索框样式 ==================== */
.mobile-search-container {
    display: none; /* 默认隐藏（桌面端） */
    margin-bottom: 12px;
    padding: 0;
    width: 100%; /* 确保占满宽度 */
}

.mobile-search-container .search-form {
    width: 100%;
    max-width: none;
}

.mobile-search-container .search-box-wrapper {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px; /* 和卡片圆角一致 */
    display: flex;
    align-items: center;
    overflow: hidden;
    width: 100%; /* 确保占满宽度 */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05); /* 添加轻微阴影 */
    transition: all 0.2s ease; /* 添加过渡效果 */
}

.mobile-search-container .search-box-wrapper:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(51, 42, 51, 0.1); /* 悬停时阴影加深 */
}

.mobile-search-container .search-box {
    flex: 1;
    padding: 12px 16px; /* 增加padding，和卡片一致 */
    font-size: 14px;
    border: none;
    background-color: transparent;
    color: var(--text-primary);
    outline: none;
}

.mobile-search-container .search-box::placeholder {
    color: var(--text-secondary);
}

.mobile-search-container .search-button {
    padding: 12px 14px; /* 增加padding */
    background-color: var(--primary-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.mobile-search-container .search-button:hover {
    background-color: var(--hover-color);
}

.mobile-search-container .search-button svg {
    color: #FFFFFF;
    width: 18px; /* 增加图标大小 */
    height: 18px;
}

/* ==================== 主体布局 ==================== */
.main-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* ==================== 左侧边栏 ==================== */
.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: var(--sidebar-background);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 900;
}

.sidebar-nav {
    padding: 24px 0;
}

.nav-section {
    margin-bottom: 32px;
}

.nav-section-title {
    padding: 8px 24px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.nav-list {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(51, 42, 51, 0.05);
    color: var(--hover-color);
}

.nav-item.active {
    background-color: rgba(51, 42, 51, 0.08);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.nav-icon {
    flex-shrink: 0;
}

/* ==================== 右侧内容区 ==================== */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    background-color: var(--background-color);
}

.page {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

/* ==================== 导航页卡片样式 ==================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(51, 42, 51, 0.12);
    border-color: var(--primary-color);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(51, 42, 51, 0.08) 0%, rgba(74, 59, 74, 0.08) 100%);
    border-radius: 16px;
    margin-bottom: 16px;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.card:hover .card-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--hover-color) 100%);
    color: #FFFFFF;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==================== 资源页列表样式 ==================== */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.resource-category {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background-color: var(--sidebar-background);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    user-select: none;
}

.category-header:hover {
    background-color: rgba(51, 42, 51, 0.08);
}

.category-icon {
    color: var(--primary-color);
    flex-shrink: 0;
}

.category-title {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.expand-icon {
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

.resource-category.expanded .expand-icon {
    transform: rotate(180deg);
}

.category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-in-out;
}

.resource-category.expanded .category-content {
    max-height: 2000px;
}

.resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

.resource-item:hover {
    background-color: rgba(51, 42, 51, 0.04);
}

.resource-info {
    flex: 1;
    margin-right: 16px;
}

.resource-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.resource-description {
    font-size: 14px;
    color: var(--text-secondary);
}

.resource-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.resource-size {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 4px 12px;
    background-color: var(--sidebar-background);
    border-radius: 12px;
}

.download-icon {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.resource-item:hover .download-icon {
    color: var(--hover-color);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1023px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo-text {
        font-size: 20px;
    }

    .search-container {
        flex: 0 1 400px;
    }

    .header {
        height: 80px;
    }

    .header-content {
        padding: 0 20px;
    }
}

@media (max-width: 767px) {
    /* 移动端：header中的搜索框隐藏 */
    .search-container {
        display: none;
    }

    /* 移动端：导航页顶部的搜索框显示 */
    .mobile-search-container {
        display: block;
    }

    .header {
        height: 50px;
        min-height: 50px;
    }

    .header-content {
        padding: 0 10px;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
    }

    .logo-container {
        gap: 6px;
        flex-shrink: 0;
    }

    .logo {
        height: 32px;
    }

    .logo-text {
        font-size: 14px;
    }

    .content {
        padding: 8px;
        padding-top: 6px;
    }

    .page-title {
        font-size: 18px;
        margin-bottom: 12px;
        margin-top: 0;
    }

    /* 移动端搜索框样式 */
    .mobile-search-container {
        margin-bottom: 8px;
        width: 100%;
    }

    .mobile-search-container .search-box-wrapper {
        border-radius: 8px; /* 移动端圆角 */
    }

    .mobile-search-container .search-box {
        padding: 10px 12px; /* 移动端padding */
        font-size: 13px;
    }

    .mobile-search-container .search-button {
        padding: 10px 12px;
    }

    .mobile-search-container .search-button svg {
        width: 16px;
        height: 16px;
    }

    .download-warning {
        padding: 8px;
        font-size: 11px;
        margin-bottom: 8px;
        border-radius: 6px;
    }

    /* 导航卡片优化 */
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .card {
        padding: 12px;
        border-radius: 8px;
    }

    .card-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 8px;
    }

    .card-title {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .card-description {
        font-size: 12px;
        line-height: 1.3;
    }

    /* 资源项优化 */
    .resource-category {
        margin-bottom: 8px;
    }

    .category-header {
        padding: 10px 12px;
        border-radius: 8px;
    }

    .category-icon {
        width: 16px;
        height: 16px;
    }

    .category-title {
        font-size: 14px;
    }

    .category-content {
        padding: 0;
    }

    .category-disclaimer {
        margin: 0 8px 8px 8px;
        padding: 6px 8px;
        border-radius: 4px;
    }

    .category-disclaimer-text {
        font-size: 11px;
        line-height: 1.3;
    }

    .resource-item {
        padding: 10px 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        border-radius: 6px;
    }

    .resource-info {
        margin-right: 0;
        margin-bottom: 0;
        width: 100%;
    }

    .resource-title {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .resource-description {
        font-size: 11px;
        line-height: 1.3;
    }

    .resource-meta {
        width: 100%;
        justify-content: space-between;
        padding-top: 6px;
        border-top: 1px solid var(--border-color);
    }

    .resource-size {
        font-size: 11px;
    }

    /* 获取提取码说明优化 */
    .extract-code-guide {
        margin-bottom: 8px;
    }

    .extract-code-guide .guide-content {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 10px;
        gap: 8px;
    }

    .extract-code-guide .guide-steps {
        width: 100%;
        gap: 4px;
    }

    .extract-code-guide .guide-step {
        gap: 4px;
        flex-wrap: wrap;
    }

    .step-badge {
        width: 16px;
        height: 16px;
        font-size: 10px;
    }

    .step-text {
        font-size: 11px;
        flex: 1;
        line-height: 1.3;
    }

    .extract-code {
        font-size: 10px;
        padding: 1px 3px;
    }

    .copy-button {
        padding: 2px 6px;
        font-size: 10px;
        margin-left: 2px;
        border-radius: 3px;
    }

    .guide-images {
        width: 100%;
        justify-content: center;
        gap: 4px;
    }

    .guide-img {
        width: 50px;
        border-radius: 3px;
    }

    /* 页脚优化 */
    .footer {
        position: relative;
        margin-top: 12px;
        padding: 8px 10px;
    }

    .footer-text {
        flex-direction: column;
        gap: 4px;
        font-size: 11px;
    }

    .footer-divider {
        display: none;
    }

    /* 弹窗优化 */
    .modal-content {
        width: 95%;
        max-height: 85vh;
        margin: 8px;
        border-radius: 12px;
    }

    .modal-header {
        padding: 12px;
    }

    .modal-title {
        font-size: 16px;
    }

    .modal-body {
        padding: 12px;
    }

    .modal-text {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .modal-list li {
        font-size: 12px;
        padding: 4px 0;
        padding-left: 16px;
    }

    .modal-warning {
        font-size: 11px;
        padding: 8px;
        border-radius: 6px;
    }

    .modal-footer {
        padding: 12px;
    }

    .modal-button {
        padding: 8px 20px;
        font-size: 13px;
        border-radius: 6px;
    }

    /* 侧边栏优化 */
    .sidebar {
        width: 240px;
    }

    .sidebar-header {
        padding: 12px;
    }

    .sidebar-title {
        font-size: 16px;
    }

    .nav-item {
        padding: 10px 12px;
        font-size: 14px;
    }

    .nav-item svg {
        width: 16px;
        height: 16px;
    }

    /* 移动端菜单按钮优化 */
    .mobile-menu-button {
        width: 44px;
        height: 44px;
        bottom: 12px;
        right: 12px;
        border-radius: 50%;
    }

    .mobile-menu-button svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .header {
        height: 45px;
        min-height: 45px;
    }

    .header-content {
        padding: 0 8px;
    }

    .logo {
        height: 28px;
    }

    .logo-text {
        font-size: 13px;
    }

    .search-container {
        margin-left: 8px;
    }

    .search-box {
        padding: 5px 8px;
        font-size: 12px;
    }

    .content {
        padding: 6px;
        padding-top: 4px;
    }

    .page-title {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .download-warning {
        padding: 6px;
        font-size: 10px;
        margin-bottom: 6px;
    }

    .card {
        padding: 10px;
    }

    .card-icon {
        width: 28px;
        height: 28px;
    }

    .card-title {
        font-size: 13px;
    }

    .card-description {
        font-size: 11px;
    }

    .guide-img {
        width: 45px;
    }
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--sidebar-background);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ==================== 移动端菜单按钮 ==================== */
.mobile-menu-button {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--hover-color) 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    box-shadow: 0 4px 16px rgba(51, 42, 51, 0.3);
    transition: transform var(--transition-fast);
}

.mobile-menu-button:hover {
    transform: scale(1.05);
}

.mobile-menu-button svg {
    color: #FFFFFF;
}

@media (max-width: 1023px) {
    .mobile-menu-button {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ==================== 遮罩层 ==================== */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 850;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.overlay.active {
    display: block;
    opacity: 1;
}

/* ==================== 页脚样式 ==================== */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--sidebar-background);
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 800;
}

.footer-content {
    max-width: 1920px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.footer-divider {
    color: var(--border-color);
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--hover-color);
}

/* ==================== 免责弹窗样式 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--background-color);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 24px;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

.modal-body {
    padding: 24px;
}

.modal-text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.modal-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.modal-list li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.modal-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.modal-warning {
    font-size: 14px;
    color: #D32F2F;
    background-color: rgba(211, 47, 47, 0.1);
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
}

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.modal-button {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-button.accept {
    background-color: var(--primary-color);
    color: #FFFFFF;
}

.modal-button.accept:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
}

/* ==================== 资源分类免责提示 ==================== */
.category-disclaimer {
    padding: 12px 20px;
    background-color: rgba(211, 47, 47, 0.05);
    border-left: 3px solid #D32F2F;
    margin: 0 20px 16px 20px;
    border-radius: 4px;
}

.category-disclaimer-text {
    font-size: 13px;
    color: #D32F2F;
    line-height: 1.5;
}

/* ==================== 下载提示 ==================== */
.download-warning {
    display: block;
    text-align: center;
    padding: 12px;
    background-color: rgba(211, 47, 47, 0.1);
    color: #D32F2F;
    font-size: 13px;
    border-radius: 8px;
    margin-bottom: 16px;
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 1023px) {
    .footer {
        position: relative;
        margin-top: 24px;
    }

    .footer-text {
        flex-direction: column;
        gap: 8px;
    }

    .footer-divider {
        display: none;
    }
}

@media (max-width: 767px) {
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .modal-title {
        font-size: 20px;
    }

    .modal-text {
        font-size: 14px;
    }
}

/* ==================== 获取提取码说明样式 ==================== */
.extract-code-guide {
    margin-bottom: 16px;
}

.extract-code-guide .guide-content {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 12px 20px;
}

.extract-code-guide .guide-steps {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.extract-code-guide .guide-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-badge {
    background-color: var(--primary-color);
    color: #FFFFFF;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-text {
    font-size: 13px;
    color: var(--text-primary);
}

.extract-code {
    background-color: rgba(51, 42, 51, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 600;
    color: var(--primary-color);
    font-family: monospace;
    font-size: 12px;
}

.copy-button {
    padding: 4px 12px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: 8px;
}

.copy-button:hover {
    background-color: var(--hover-color);
}

.guide-images {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.guide-img {
    width: 80px;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.guide-img:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* ==================== 图片查看弹窗 ==================== */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.image-modal.active {
    display: flex;
}

.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background-color: #FFFFFF;
    color: var(--primary-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.image-modal-close:hover {
    background-color: var(--primary-color);
    color: #FFFFFF;
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 767px) {
    .guide-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .guide-images {
        width: 100%;
        justify-content: center;
    }

    .guide-img {
        width: 70px;
    }

    .extract-code-guide {
        padding: 10px 12px;
    }

    .guide-title {
        font-size: 14px;
    }

    .guide-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}