/* 全局变量 - 深色网格背景主题 */
:root {
    --tech-black: #0f172a;           /* 主背景（深蓝色） */
    --tech-black-light: #1e293b;     /* 卡片背景（稍浅深蓝色） */
    --tech-black-accent: #334155;    /* 边框/分隔色（灰蓝色） */
    --tech-black-highlight: #94a3b8; /* 次要文字色（浅灰色） */
    --tech-black-primary: #f1f5f9;   /* 主文字色（浅白色） */
    --tech-black-green: #3b82f6;     /* 强调色（蓝色） */
    --tech-black-red: #ef4444;       /* 警告色（红色） */
    --tech-black-blue: #60a5fa;      /* 辅助色（浅蓝色） */
    --tech-black-orange: #f97316;    /* 橙色用于官方渠道（橙色） */
    --radius: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 24px rgba(59, 130, 246, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    transition: var(--transition);
}
body {
    background: var(--tech-black);
    color: var(--tech-black-primary);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* 深色网格背景 */
    background-image: 
        linear-gradient(rgba(30, 41, 59, 0.7) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 41, 59, 0.7) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: -1px -1px;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
a {
    color: var(--tech-black-green);
    text-decoration: none;
}
a:hover {
    color: #93c5fd;
}

/* 头部导航栏 - 深色主题 */
.header {
    background: var(--tech-black-light);
    padding: 10px 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid var(--tech-black-accent);
    backdrop-filter: blur(10px);
    background: rgba(30, 41, 59, 0.95);
    transform: translateY(-100%);
    animation: slideDown 0.5s ease-out 0.2s forwards;
}
@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--tech-black-primary);
    text-decoration: none;
}
.logo-img {
    height: 24px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(59, 130, 246, 0.5));
    transition: all 0.3s ease;
}
.logo:hover .logo-img {
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
    transform: scale(1.05);
}
.logo-text {
    background: linear-gradient(45deg, var(--tech-black-green), #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.nav {
    display: flex;
    align-items: center;
    gap: 20px;
}
.nav-item {
    position: relative;
    padding: 8px 12px;
    color: var(--tech-black-highlight);
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.9rem;
}
.nav-item:hover {
    color: var(--tech-black-primary);
    background: rgba(59, 130, 246, 0.2);
}
/* 下拉菜单 - 深色 */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--tech-black-light);
    border: 1px solid var(--tech-black-accent);
    border-radius: var(--radius);
    width: 180px;
    padding: 10px 0;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    z-index: 99;
    backdrop-filter: blur(10px);
    background: rgba(30, 41, 59, 0.95);
}
.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    padding: 8px 16px;
    color: var(--tech-black-highlight);
    cursor: pointer;
    font-size: 0.85rem;
    display: block;
    text-decoration: none;
}
.dropdown-item:hover {
    background: rgba(59, 130, 246, 0.2);
    color: var(--tech-black-primary);
}
.menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--tech-black-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.2);
}
/* 移动端导航菜单 - 深色 */
.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 250px;
    height: 100vh;
    background: var(--tech-black-light);
    z-index: 9999;
    padding: 60px 20px 20px;
    transform: translateX(100%);
    box-shadow: -2px 0 10px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    background: rgba(30, 41, 59, 0.95);
    border-left: 1px solid var(--tech-black-accent);
}
.mobile-nav.show {
    transform: translateX(0);
}
.mobile-nav-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--tech-black-accent);
    color: var(--tech-black-highlight);
    cursor: pointer;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 5px;
    font-size: 0.9rem;
}
.mobile-nav-item:hover {
    color: var(--tech-black-primary);
    background: rgba(59, 130, 246, 0.2);
}
.mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    padding-left: 15px;
}
.mobile-dropdown.show {
    max-height: 500px;
}
.mobile-dropdown-item {
    padding: 8px 0;
    color: var(--tech-black-highlight);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    display: block;
    text-decoration: none;
}
.mobile-dropdown-item:hover {
    background: rgba(59, 130, 246, 0.2);
}
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--tech-black-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.2);
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    display: none;
}
.overlay.show {
    display: block;
}

/* 主体容器 - 单栏布局 */
.main-container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1; /* 让主要内容区域占据剩余空间 */
    opacity: 0;
    transform: translateY(20px);
    animation: contentFadeIn 0.5s ease-out 0.4s forwards;
}
@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 顶部版本信息卡片 - 修改：右边卡片缩小40% */
.top-version-card {
    display: grid;
    grid-template-columns: 1fr 0.6fr; /* 修改：右边卡片缩小为0.6fr */
    gap: 20px;
    background: transparent;
    border-radius: var(--radius);
    overflow: visible;
    box-shadow: none;
    align-items: stretch;
}
/* 图片区域：保持不变，纯图片显示 */
.version-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 300px;
    background: var(--tech-black-light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--tech-black-accent);
}
.version-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
}
/* 信息区域：宽度缩小40%，内容不变 */
.version-info {
    padding: 20px; /* 减小内边距以适应缩小 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--tech-black-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    height: 100%;
    width: 100%; /* 确保宽度适应新的grid比例 */
    border: 1px solid var(--tech-black-accent);
}
/* 标题增强 - 调整以适应缩小 */
.version-title {
    font-size: 1.8rem; /* 减小字体大小 */
    font-weight: 700;
    color: var(--tech-black-primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.version-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px; /* 减小宽度 */
    height: 3px;
    background: linear-gradient(to right, var(--tech-black-green), transparent);
    border-radius: 3px;
}
/* 版本信息列表增强 - 简化 */
.version-detail-list {
    list-style: none;
    color: var(--tech-black-highlight);
    margin-bottom: 20px;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.version-detail-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 8px;
    border-left: 3px solid transparent;
    font-size: 0.9rem; /* 减小字体大小 */
}
.version-detail-list li:hover {
    border-left-color: var(--tech-black-green);
    background: rgba(51, 65, 85, 0.8);
}
/* 自定义图标调整 */
.version-detail-list li .icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tech-black-green);
    font-size: 14px;
    flex-shrink: 0;
}
.version-detail-list li .text {
    flex: 1;
}
.version-detail-list li .text span {
    color: var(--tech-black-primary);
    font-weight: 500;
}
/* 版本说明增强 - 调整为单行 */
.version-desc {
    color: var(--tech-black-highlight);
    line-height: 1.6;
    font-size: 0.9rem; /* 减小字体大小 */
}
.version-desc .desc-item {
    margin-bottom: 8px;
}
.version-desc .desc-title {
    color: var(--tech-black-primary);
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
}
.version-desc .desc-title i {
    color: var(--tech-black-green);
    font-size: 14px;
}
.version-desc .desc-content {
    color: var(--tech-black-highlight);
}
.version-desc .desc-content span {
    color: var(--tech-black-green);
    font-weight: 500;
}

/* 信息卡片容器 - 并排展示（文件信息+配置要求） */
.info-cards-container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 15px; /* 减小间隙 */
}

/* 文件信息卡片 - 已删除复制功能，缩小框架 */
.file-card {
    background: var(--tech-black-light);
    border-radius: var(--radius);
    padding: 15px; /* 减小内边距 */
    box-shadow: var(--shadow);
    border: 1px solid var(--tech-black-accent);
}
.file-card-header {
    font-size: 1.1rem; /* 减小字体大小 */
    font-weight: 700;
    margin-bottom: 12px; /* 减小间距 */
    color: var(--tech-black-primary);
    padding-bottom: 8px; /* 减小间距 */
    border-bottom: 1px solid var(--tech-black-accent);
}
.file-info-list {
    display: flex;
    flex-direction: column;
    gap: 6px; /* 减小间隙 */
}
.file-info-item {
    display: flex;
    align-items: flex-start; /* 改为顶部对齐 */
    color: var(--tech-black-highlight);
    font-size: 0.85rem; /* 减小字体大小 */
}
.file-info-item strong {
    color: var(--tech-black-green);
    min-width: 70px; /* 减小宽度 */
    margin-right: 8px; /* 减小间距 */
    font-weight: 600;
    font-size: 0.85rem; /* 减小字体大小 */
    line-height: 1.4; /* 调整行高 */
}
.file-info-item .value {
    flex: 1;
    word-break: break-all;
    padding: 6px 8px; /* 减小内边距 */
    border-radius: 6px;
    background: rgba(51, 65, 85, 0.5);
    font-size: 0.8rem; /* 减小字体大小 */
    line-height: 1.4; /* 调整行高 */
}

/* 最低配置要求卡片 - 缩小框架 */
.sidebar-card {
    background: var(--tech-black-light);
    border-radius: var(--radius);
    padding: 15px; /* 减小内边距 */
    box-shadow: var(--shadow);
    border: 1px solid var(--tech-black-accent);
}
.sidebar-title {
    font-size: 1rem; /* 减小字体大小 */
    font-weight: 600;
    margin-bottom: 12px; /* 减小间距 */
    color: var(--tech-black-primary);
    display: flex;
    align-items: center;
    gap: 6px; /* 减小间隙 */
}
.sidebar-title i {
    color: var(--tech-black-green);
    font-size: 0.9rem; /* 减小图标大小 */
}
.config-list {
    list-style: none;
    color: var(--tech-black-highlight);
}
.config-list li {
    margin-bottom: 8px; /* 减小间距 */
    display: flex;
    align-items: flex-start; /* 改为顶部对齐 */
    gap: 6px; /* 减小间隙 */
    padding: 6px 8px; /* 减小内边距 */
    border-radius: 6px;
    background: rgba(51, 65, 85, 0.5);
    font-size: 0.85rem; /* 减小字体大小 */
    line-height: 1.4; /* 调整行高 */
}
.config-list li span {
    color: var(--tech-black-primary);
    font-size: 0.85rem; /* 减小字体大小 */
}

/* 下载区域 - 5个平行卡片布局 */
.download-section {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}
.download-card {
    background: var(--tech-black-light);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--tech-black-accent);
}
/* 官方渠道特殊样式 */
.download-card.official {
    border: 1px solid var(--tech-black-accent);
    position: relative;
    overflow: hidden;
}
.download-card.official::before {
    content: "官方推荐";
    position: absolute;
    top: 10px;
    right: -20px;
    background: var(--tech-black-orange);
    color: #0f172a;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 2px 25px;
    transform: rotate(45deg);
    z-index: 1;
}
.official .download-type {
    color: var(--tech-black-orange);
}
.official .download-btn {
    background: rgba(249, 115, 22, 0.2);
    color: var(--tech-black-orange);
    border: 1px solid var(--tech-black-orange);
}
.official .download-btn:hover {
    background: var(--tech-black-orange);
    color: #0f172a;
}
/* 折叠头部样式 */
.download-collapse-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    margin-bottom: 10px;
    flex-shrink: 0;
    user-select: none;
}
.download-type {
    color: var(--tech-black-green);
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
/* 链接状态标识 */
.link-status {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 4px;
    white-space: nowrap;
}
.status-valid {
    background: rgba(59, 130, 246, 0.2);
    color: var(--tech-black-green);
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.status-invalid {
    background: rgba(239, 68, 68, 0.2);
    color: var(--tech-black-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.status-invalid {
    background: rgba(239, 68, 68, 0.2);
    color: var(--tech-black-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.collapse-toggle {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--tech-black-green);
    font-size: 1rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.collapse-toggle:hover {
    background: rgba(59, 130, 246, 0.3);
}
/* 折叠内容样式 */
.download-collapse-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.download-collapse-content.show {
    max-height: 1000px;
}
/* 下载说明 */
.download-desc {
    font-size: 0.8rem;
    color: var(--tech-black-highlight);
    margin-bottom: 8px;
    padding: 8px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 8px;
    line-height: 1.4;
}
/* 文件大小提示 */
.file-size-hint {
    font-size: 0.8rem;
    color: var(--tech-black-highlight);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 6px;
}
/* 备用源切换按钮 */
.source-switch {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--tech-black-accent);
    padding-bottom: 8px;
}
.source-tab {
    background: rgba(51, 65, 85, 0.5);
    border: 1px solid var(--tech-black-accent);
    color: var(--tech-black-highlight);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    flex: 1;
    text-align: center;
}
.source-tab:hover {
    background: rgba(51, 65, 85, 0.8);
    color: var(--tech-black-primary);
}
.source-tab.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--tech-black-green);
    border: 1px solid var(--tech-black-green);
}
/* 下载URL包装器 */
.download-url-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding-top: 8px;
    flex: 1;
    flex-direction: column;
}
.download-url {
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--tech-black-accent);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--tech-black-highlight);
    word-break: break-all;
    flex: 1;
    margin-bottom: 8px;
    font-size: 0.8rem;
    line-height: 1.4;
    max-height: 80px;
    overflow-y: auto;
}

/* 按钮组布局 */
.btn-group {
    display: flex;
    gap: 8px;
    width: 100%;
}
.copy-btn {
    background: rgba(15, 23, 42, 0.9);
    color: var(--tech-black-primary);
    border: 1px solid var(--tech-black-green);
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
    flex: 1;
    font-size: 0.85rem;
}
.copy-btn:hover {
    background: var(--tech-black-green);
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.copy-btn:active {
    transform: translateY(0);
}
.copy-btn.copied {
    background: var(--tech-black-green);
    color: #0f172a;
}
/* 一键下载按钮 */
.download-btn {
    background: rgba(96, 165, 250, 0.2);
    color: var(--tech-black-blue);
    border: 1px solid var(--tech-black-blue);
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
    flex: 1;
    text-align: center;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.download-btn:hover {
    background: var(--tech-black-blue);
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(96, 165, 250, 0.25);
}
.download-btn:active {
    transform: translateY(0);
}
.download-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.download-btn.disabled:hover {
    background: rgba(96, 165, 250, 0.2);
    color: var(--tech-black-blue);
    transform: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* 复制成功提示样式 */
.copy-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--tech-black-green);
    color: #0f172a;
    padding: 12px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    z-index: 9999;
    font-weight: 600;
}
.copy-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 下载注意事项样式 */
.download-note {
    background: var(--tech-black-light);
    border-radius: var(--radius);
    padding: 15px 20px;
    box-shadow: var(--shadow);
    color: var(--tech-black-highlight);
    font-size: 0.95rem;
    border-left: 4px solid var(--tech-black-red);
    border: 1px solid var(--tech-black-accent);
}
.download-note strong {
    color: var(--tech-black-red);
    margin-right: 8px;
}

/* 动效增强 */
.card-hover {
    transition: var(--transition);
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--tech-black-green);
}

/* 简洁三行页脚样式 - 优化版 */
.footer {
    background: rgba(15, 23, 42, 0.95);
    color: var(--tech-black-highlight);
    padding: 25px 20px;
    margin-top: 40px;
    border-top: 1px solid var(--tech-black-accent);
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.6;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

/* 添加微妙的网格背景 */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(30, 41, 59, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 41, 59, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: -1px -1px;
    z-index: -1;
    opacity: 0.5;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.footer-line {
    margin: 10px 0;
    color: var(--tech-black-highlight);
    font-weight: 300;
    letter-spacing: 0.3px;
    position: relative;
    display: inline-block;
    padding: 0 15px;
}

.footer-line a {
    color: var(--tech-black-highlight);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 2px 4px;
    border-radius: 3px;
}

.footer-line a:hover {
    color: var(--tech-black-green);
    background: rgba(59, 130, 246, 0.1);
}

.footer-line:not(:last-child)::after {
    content: '•';
    position: absolute;
    right: -8px;
    color: var(--tech-black-accent);
    font-size: 12px;
    top: 50%;
    transform: translateY(-50%);
}

/* 备案和邮箱图标样式 */
.footer-icon {
    display: inline-block;
    margin-right: 6px;
    color: var(--tech-black-green);
    font-size: 0.9rem;
    width: 16px;
    text-align: center;
    vertical-align: middle;
}

/* 浏览器建议行样式 */
.browser-suggestion {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(51, 65, 85, 0.3);
    color: var(--tech-black-highlight);
    font-size: 0.8rem;
}

.browser-icons {
    display: flex;
    gap: 8px;
    margin-left: 5px;
}

.browser-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: rgba(51, 65, 85, 0.5);
    color: var(--tech-black-highlight);
    font-size: 12px;
    transition: all 0.3s ease;
}

.browser-icon:hover {
    background: var(--tech-black-green);
    color: #0f172a;
    transform: translateY(-2px);
}

/* 小小访问记录样式 */
.visit-counter {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    font-size: 0.7rem;
    color: var(--tech-black-green);
    background: rgba(59, 130, 246, 0.1);
    padding: 2px 6px;
    border-radius: 10px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.visit-counter i {
    font-size: 0.65rem;
}

.visit-counter .count {
    font-weight: 600;
}

/* 移动端适配 */
@media (max-width: 1200px) {
    .download-section {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 992px) {
    .top-version-card {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .version-image-wrapper {
        min-height: 200px;
    }
    .info-cards-container {
        grid-template-columns: 1fr;
    }
    .nav {
        display: none;
    }
    .menu-btn {
        display: block;
    }
    .download-section {
        grid-template-columns: repeat(2, 1fr);
    }
    .logo-text {
        font-size: 1rem;
    }
}
@media (max-width: 768px) {
    .download-section {
        grid-template-columns: 1fr;
    }
    .source-switch {
        flex-direction: column;
    }
    .footer {
        padding: 20px 15px;
    }
    
    .footer-line {
        display: block;
        margin: 8px 0;
        padding: 0;
    }
    
    .footer-line:not(:last-child)::after {
        display: none;
    }
    
    .browser-suggestion {
        flex-direction: column;
        gap: 8px;
    }
    
    .browser-icons {
        margin-left: 0;
        justify-content: center;
    }
    .logo-img {
        height: 24px;
    }
}
@media (max-width: 576px) {
    .file-info-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .file-info-item strong {
        margin-bottom: 4px;
    }
    .copy-toast {
        top: auto;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%) translateY(20px);
    }
    .copy-toast.show {
        transform: translateX(-50%) translateY(0);
    }
    .version-info {
        padding: 15px;
    }
    .version-title {
        font-size: 1.5rem;
    }
    .mobile-nav {
        width: 80%;
    }
    .btn-group {
        flex-direction: column;
    }
    .logo-img {
        height: 24px;
    }
    .logo-text {
        font-size: 0.9rem;
    }
    .visit-counter {
        margin-left: 4px;
        padding: 1px 4px;
        font-size: 0.6rem;
    }
}