/* Minecraft 风格未绑定/授权码页面样式 */
:root {
    --mc-btn-bg: linear-gradient(180deg, #8b8b8b 0%, #737373 50%, #8b8b8b 100%);
    --mc-btn-border-light: #fff;
    --mc-btn-border-dark: #373737;
    --mc-text-shadow: 2px 2px 0px #3f3f3f;
    --mc-input-bg: #000000;
    --mc-input-border: #A0A0A0;
    --mc-link-color: #3f3f9f;
    --mc-card-bg: #c6c6c6;
    --mc-card-border-light: #fff;
    --mc-card-border-dark: #555;
}

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

/* SVG图标通用样式 */
.icon-svg {
    width: 1.2em;
    height: 1.2em;
    vertical-align: middle;
    fill: currentColor;
    flex-shrink: 0;
}

.nav-icon .icon-svg {
    width: 1.4em;
    height: 1.4em;
}

.license-plugin .icon-svg {
    width: 1.3em;
    height: 1.3em;
}

body {
    font-family: 'VT323', monospace;
    background-color: #1a1a1a;
    color: #FFF;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* 深色背景 - 与登录页风格一致 */
.mc-background-tiled {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image: url('https://mc.res.netease.com/pc/gw/20250701153242/img/img1_bcd004c0.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 覆盖层 - 与登录页风格一致 */
.mc-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    pointer-events: none;
}

/* 头部样式 - 与登录页风格一致 */
.header {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle-btn {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.menu-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.menu-toggle-btn .icon-svg {
    width: 1.5em;
    height: 1.5em;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-family: 'VT323', monospace;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 左侧导航栏样式 - 与登录页风格一致 */
.sidebar-nav {
    position: fixed;
    left: 0;
    top: 60px;
    width: 220px;
    height: calc(100vh - 60px);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0.75rem;
    z-index: 999;
    overflow-y: auto;
    display: none;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    color: #d0d0d0;
    font-size: 1.3rem;
    text-align: left;
    transition: all 0.2s ease;
    width: 100%;
    font-family: 'VT323', monospace;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.nav-menu-item:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

.nav-menu-item.active {
    background: rgba(92, 184, 92, 0.3);
    border-color: rgba(92, 184, 92, 0.5);
    color: #5cb85c;
}

.nav-icon {
    font-size: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    opacity: 0.9;
}

.nav-label {
    flex: 1;
    letter-spacing: 0.5px;
}

/* 按钮样式 - Minecraft GUI 风格 */
.btn, .admin-btn, .logout-btn, .welfare-btn, .sdk-btn, .sdk-download-btn, .action-btn, .sdk-show-more-btn {
    width: auto;
    padding: 0.5rem 1rem;
    background: linear-gradient(180deg, #8b8b8b 0%, #737373 50%, #8b8b8b 100%);

    /* Minecraft 按钮边框效果 */
    border: 2px solid;
    border-color: #fff #373737 #373737 #fff;

    cursor: pointer;
    font-family: 'VT323', monospace;
    font-size: 1.4rem;
    color: #FFF;
    text-shadow: 2px 2px 0px #3f3f3f;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 0.5rem;
    transition: all 0.05s;
    border-radius: 0;
    height: auto;
    min-height: 40px;
}

.btn:hover, .admin-btn:hover, .logout-btn:hover, .welfare-btn:hover, .sdk-btn:hover, .sdk-download-btn:hover, .action-btn:hover, .sdk-show-more-btn:hover {
    background: linear-gradient(180deg, #9f9fff 0%, #7f7fbf 50%, #9f9fff 100%);
    color: #ffffa0;
    text-shadow: 2px 2px 0 #3f3f5f;
    border-color: #fff #373737 #373737 #fff;
}

.btn:active, .admin-btn:active, .logout-btn:active, .welfare-btn:active, .sdk-btn:active, .sdk-download-btn:active, .action-btn:active, .sdk-show-more-btn:active {
    background: linear-gradient(180deg, #6f6f6f 0%, #5f5f5f 50%, #6f6f6f 100%);
    border-color: #373737 #fff #fff #373737;
    color: #CCC;
}

.btn:disabled, .btn-danger:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    color: #AAA;
    background-color: #555;
}

.btn-danger {
    /* Overriding standard btn style if needed, but MC buttons are mostly same shape */
}

.btn-link {
    background: none;
    border: none;
    color: var(--mc-link-color);
    text-decoration: underline;
    cursor: pointer;
    font-family: 'VT323', monospace;
    font-size: 1.2rem;
    padding: 0.5rem;
    text-shadow: 1px 1px 0px #000;
}

.btn-link:hover {
    color: #FFF;
    text-decoration: none;
}

/* 主容器样式 */
.main-container {
    margin-top: 60px;
    margin-left: 220px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: calc(100vh - 60px);
    flex: 1;
    position: relative;
    z-index: 10;
}

.container {
    background: var(--mc-card-bg);
    border: 4px solid;
    border-color: var(--mc-card-border-light) var(--mc-card-border-dark) var(--mc-card-border-dark) var(--mc-card-border-light);
    border-radius: 0;
    padding: 2rem;
    width: 100%;
    max-width: 1600px;
    margin: 0;
    box-shadow:
        inset 4px 4px 0 rgba(255, 255, 255, 0.3),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2),
        0 8px 32px rgba(0, 0, 0, 0.5);
}

/* 页面头部样式 */
.page-header {
    text-align: left;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #8b8b8b;
}

.page-title {
    font-size: 3rem;
    font-weight: 400;
    color: #3f3f3f;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
    margin-bottom: 0.5rem;
    line-height: 1;
    font-family: 'VT323', monospace;
}

.page-subtitle {
    color: #555;
    font-size: 1.5rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
}

/* 表单样式 - MC GUI 风格 */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
    color: #3f3f3f;
    font-size: 1.4rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    background: #000;
    border: 2px solid;
    border-color: #373737 #fff #fff #373737;
    color: #FFF;
    font-family: 'VT323', monospace;
    font-size: 1.4rem;
    border-radius: 0;
    outline: none;
}

.form-control:focus {
    border-color: #555 #fff #fff #555;
    background: #000;
}

.form-control::placeholder {
    color: #888;
}

/* 授权码列表样式 - MC GUI 风格 优化版 */
.license-list, .device-list, .welfare-list, .sdk-list {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}

.license-list {
    grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
}

.welfare-list {
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
}

/* 授权码卡片 - 优化结构 */
.license-item, .device-item, .welfare-item, .sdk-version-card {
    background: #b0b0b0;
    border: 3px solid;
    border-color: #fff #555 #555 #fff;
    padding: 0;
    display: flex;
    flex-direction: column;
    box-shadow:
        inset 1px 1px 0 rgba(255, 255, 255, 0.2),
        inset -1px -1px 0 rgba(0, 0, 0, 0.15);
    color: #3f3f3f;
    position: relative;
    overflow: visible;
}

.license-item:hover, .welfare-item:hover, .sdk-version-card:hover {
    background: #b8b8b8;
}

/* 卡片内容区 */
.license-info {
    padding: 0;
}

.license-details {
    padding: 0;
}

/* 卡片头部 - 插件名称区域 */
.license-plugin {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 400;
    text-align: left;
    text-shadow: 1px 1px 0 #3f3f3f;
    background: #7a7a7a;
    padding: 0.6rem 0.8rem;
    margin: 0;
    border-bottom: 2px solid #555;
    display: block;
    height: 45px;
    min-height: 45px;
    max-height: 45px;
    line-height: 1.8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 授权码显示区域 */
.license-code {
    font-weight: 400;
    color: #0f0;
    font-family: 'VT323', monospace;
    font-size: 1.3rem;
    text-align: center;
    padding: 0.5rem 0.8rem;
    margin: 0.8rem;
    background: #1a1a1a;
    border: 2px solid;
    border-color: #333 #666 #666 #333;
    word-break: break-all;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 卡片信息区域 */
.license-meta {
    font-size: 1.05rem;
    color: #3f3f3f;
    line-height: 1.8;
    text-align: left;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.4);
    padding: 0 0.8rem 0.8rem 0.8rem;
    margin: 0;
}

/* 卡片底部操作区 */
.license-actions {
    background: #8a8a8a;
    padding: 0.5rem 0.8rem;
    border-top: 2px solid #666;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: auto;
}

.license-actions .action-btn {
    padding: 0.25rem 0.6rem;
    font-size: 1.1rem;
    min-height: 28px;
}

.license-actions .action-btn.danger {
    background: linear-gradient(180deg, #8b5b5b 0%, #735353 50%, #8b5b5b 100%);
}

.license-actions .action-btn.danger:hover {
    background: linear-gradient(180deg, #9f6f6f 0%, #876767 50%, #9f6f6f 100%);
    color: #ffffa0;
}

/* 状态标签 - MC GUI 风格 */
.license-status, .device-status, .sdk-version-status-badge, .badge-welfare, .badge-success {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.95rem;
    font-weight: 400;
    border: 2px solid;
    margin: 0;
    vertical-align: middle;
}

/* 状态标签 - 右上角样式 */
.license-item > .license-status {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 10;
}

.status-valid, .status-online, .status-stable, .badge-success {
    background: #5b8b5b;
    color: #FFF;
    border-color: #8fbf8f #2f5f2f #2f5f2f #8fbf8f;
}

.status-expired, .status-offline, .status-deprecated, .status-disabled {
    background: #8b5b5b;
    color: #FFF;
    border-color: #bf8f8f #5f2f2f #5f2f2f #bf8f8f;
}

.status-unknown, .status-draft {
    background: #8b8b8b;
    color: #FFF;
    border-color: #bfbfbf #5f5f5f #5f5f5f #bfbfbf;
}

/* 福利标签样式 */
.badge-welfare {
    background: #8b7b5b;
    color: #FFF;
    border-color: #bfaf8f #5f4f2f #5f4f2f #bfaf8f;
    font-size: 0.9rem;
    padding: 0.1rem 0.4rem;
    margin-left: 0.3rem;
}

/* 提示信息 - MC GUI 风格 */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    text-align: center;
    border: 2px solid;
    background: #8b8b8b;
    border-radius: 0;
}

.alert-success {
    background: #5b8b5b;
    border-color: #8fbf8f #2f5f2f #2f5f2f #8fbf8f;
    color: #FFF;
}

.alert-error {
    background: #8b5b5b;
    border-color: #bf8f8f #5f2f2f #5f2f2f #bf8f8f;
    color: #FFF;
}

.alert-warning {
    background: #8b7b5b;
    border-color: #bfaf8f #5f4f2f #5f4f2f #bfaf8f;
    color: #FFF;
}

/* 统计信息 - MC GUI 风格 */
.stats {
    background: #a0a0a0;
    border: 4px solid;
    border-color: #fff #555 #555 #fff;
    border-radius: 0;
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    box-shadow:
        inset 2px 2px 0 rgba(255, 255, 255, 0.3),
        inset -2px -2px 0 rgba(0, 0, 0, 0.2);
}

.stats-number {
    font-size: 2rem;
    font-weight: 400;
    color: #3f3f3f;
    margin-bottom: 0.25rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

/* ... */

/* 分类侧边栏按钮 - MC GUI 风格 */
.category-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(180deg, #8b8b8b 0%, #737373 50%, #8b8b8b 100%);
    border: 2px solid;
    border-color: #fff #373737 #373737 #fff;
    border-radius: 0;
    cursor: pointer;
    color: #FFF;
    font-size: 1.2rem;
    text-align: left;
    transition: none;
    width: 100%;
    font-family: 'VT323', monospace;
    text-shadow: 2px 2px 0 #3f3f3f;
    margin-bottom: 0.5rem;
}

.category-item:hover {
    background: linear-gradient(180deg, #9f9fff 0%, #7f7fbf 50%, #9f9fff 100%);
    color: #ffffa0;
    text-shadow: 2px 2px 0 #3f3f5f;
}

.category-item.active {
    background: linear-gradient(180deg, #6f6f6f 0%, #5f5f5f 50%, #6f6f6f 100%);
    border-color: #373737 #fff #fff #373737;
    color: #FFFF55;
}

.category-item.active .category-count {
    background: #555;
    color: #FFF;
    border-color: #373737;
}

/* 福利卡片调整 */
.welfare-item {
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.welfare-item .license-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.welfare-item .license-code {
    display: block;
    height: 50px;
    min-height: 50px;
    max-height: 50px;
    font-size: 1.3rem;
    line-height: 50px;
    padding: 0 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}

.welfare-item .license-plugin {
    font-size: 1.2rem;
    white-space: normal;
    word-break: break-word;
}

.welfare-item .license-details {
    flex: 1;
}

.welfare-item .license-meta {
    flex: 1;
}

.welfare-item .license-actions {
    margin-top: auto !important;
    text-align: center !important;
}

.stats-label {
    font-size: 1.2rem;
    color: #555;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

/* SDK 下载页样式 - MC GUI 风格 */
.sdk-version-main {
    background: #a0a0a0;
    border-bottom: 2px solid #8b8b8b;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.sdk-version-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.sdk-version-number {
    color: #3f3f3f;
    font-size: 2.5rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
    line-height: 1;
    margin: 0;
}

.sdk-version-status-badge {
    font-size: 1rem;
    padding: 0.2rem 0.6rem;
    border: 2px solid;
    background: #8b8b8b;
    color: #FFF;
    height: fit-content;
}

/* Status colors - MC GUI 风格 */
.sdk-version-status-badge.status-stable {
    background: #5b8b5b;
    border-color: #8fbf8f #2f5f2f #2f5f2f #8fbf8f;
}
.sdk-version-status-badge.status-beta {
    background: #8b7b5b;
    border-color: #bfaf8f #5f4f2f #5f4f2f #bfaf8f;
    color: #FFF;
}
.sdk-version-status-badge.status-alpha {
    background: #8b5b5b;
    border-color: #bf8f8f #5f2f2f #5f2f2f #bf8f8f;
}
.sdk-version-status-badge.status-draft {
    background: #8b8b8b;
    border-color: #bfbfbf #5f5f5f #5f5f5f #bfbfbf;
}

.sdk-version-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    background: #b0b0b0;
    border-bottom: 1px solid #8b8b8b;
}

.detail-row {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
    flex: 1;
    min-width: auto;
    white-space: nowrap;
}

.detail-label {
    color: #555;
    font-size: 1.2rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.detail-label::after {
    content: "：";
}

.detail-value {
    color: #3f3f3f;
    font-size: 1.3rem;
    font-weight: bold;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.info-box {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-left: 4px solid rgba(92, 184, 92, 0.6);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
}

.info-box h3 {
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.info-box p {
    color: #d0d0d0;
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
}

.sdk-changelog {
    padding: 1.5rem;
    background: #b0b0b0;
    border-top: 2px solid #8b8b8b;
    display: block !important;
}

.changelog-title {
    font-weight: 400;
    color: #555;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.changelog-content {
    color: #3f3f3f;
    line-height: 1.6;
    white-space: pre-wrap;
    font-size: 1.1rem;
    font-family: 'VT323', monospace;
}

/* 滚动条样式 - MC GUI 风格 */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: #555;
}

::-webkit-scrollbar-thumb {
    background: #8b8b8b;
    border: 2px solid #555;
}

::-webkit-scrollbar-thumb:hover {
    background: #a0a0a0;
}

/* 页面切换动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.98); }
}

.page-enter {
    animation: fadeIn 0.3s ease-out forwards;
}

.page-exit {
    animation: fadeOut 0.2s ease-in forwards;
}

/* 响应式布局 - 小屏幕优化 */
@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
        height: 50px;
    }

    .logo {
        font-size: 1.3rem;
    }

    .menu-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar-nav {
        left: -220px;
        width: 220px;
        transition: left 0.3s ease;
        display: block;
        top: 50px;
        height: calc(100vh - 50px);
    }

    .sidebar-nav.open {
        left: 0;
    }

    .main-container {
        margin-left: 0;
        margin-top: 50px;
        padding: 0.75rem;
        min-height: calc(100vh - 50px);
    }

    .license-list {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .page-title {
        font-size: 1.8rem;
    }

    .page-subtitle {
        font-size: 1.2rem;
    }

    .container {
        padding: 0.75rem;
        border-width: 2px;
    }

    .page-header {
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }

    .license-plugin {
        font-size: 1.3rem;
        padding: 0.5rem 0.6rem;
    }

    .license-code {
        font-size: 1.1rem;
        padding: 0.4rem 0.6rem;
        margin: 0.5rem;
    }

    .license-meta {
        font-size: 0.95rem;
        padding: 0 0.6rem 0.6rem 0.6rem;
    }

    .license-actions {
        padding: 0.4rem 0.6rem;
    }

    .license-actions .action-btn {
        font-size: 1rem;
        padding: 0.2rem 0.5rem;
        min-height: 26px;
    }

    .license-status {
        font-size: 0.85rem;
        padding: 0.15rem 0.4rem;
    }

    .license-item > .license-status {
        top: 0.3rem;
        right: 0.3rem;
    }

    .btn {
        font-size: 1.2rem;
        padding: 0.4rem 0.8rem;
        min-height: 36px;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .stats-number {
        font-size: 1.6rem;
    }

    .stats-label {
        font-size: 1rem;
    }

    .flex-gap-1 {
        gap: 0.5rem;
    }
}

/* 中等屏幕 */
@media (max-width: 1024px) {
    .license-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-container {
        padding: 1.5rem;
    }
}

/* 大屏幕 */
@media (min-width: 1400px) {
    .license-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

/* Helper classes */
.hidden, .display-none {
    display: none !important;
}

.loading {
    text-align: center;
    color: #3f3f3f;
    font-size: 1.5rem;
    padding: 20px;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.flex-gap-1 {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* 分类侧边栏（福利页面） - 与登录页风格一致 */
.category-sidebar {
    position: fixed;
    left: 220px;
    top: 60px;
    width: 200px;
    height: calc(100vh - 60px);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0.5rem;
    overflow-y: auto;
    z-index: 998;
}

.category-title {
    font-size: 1.2rem;
    font-weight: 400;
    color: #d0d0d0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    padding: 0 0.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-family: 'VT323', monospace;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    color: #d0d0d0;
    font-size: 1.1rem;
    text-align: left;
    transition: all 0.2s ease;
    width: 100%;
    font-family: 'VT323', monospace;
    margin-bottom: 0.5rem;
}

.category-item:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

.category-item.active {
    background: rgba(92, 184, 92, 0.3);
    border-color: rgba(92, 184, 92, 0.5);
    color: #5cb85c;
}

.category-count {
    font-size: 0.9rem;
    font-weight: 400;
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.1rem 0.4rem;
    min-width: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-left: auto;
}

.category-item.active .category-count {
    background: rgba(92, 184, 92, 0.5);
    border-color: rgba(92, 184, 92, 0.7);
}

.main-container.with-category-sidebar {
    margin-left: 420px;
}

@media (max-width: 1024px) {
    .category-sidebar {
        left: 220px;
        width: 180px;
    }
    .main-container.with-category-sidebar {
        margin-left: 400px;
    }
}

@media (max-width: 768px) {
    .category-sidebar {
        position: fixed;
        left: -200px;
        top: 50px;
        width: 200px;
        height: calc(100vh - 50px);
        transition: left 0.3s ease;
        display: block;
    }
    .category-sidebar.open {
        left: 0;
    }
    .main-container.with-category-sidebar {
        margin-left: 0;
    }
}