:root {
    --color-primary: #ff6b00;
    --color-primary-dark: #e65100;
    --color-text: #333;
    --color-text-light: #666;
    --color-text-lighter: #999;
    --color-background: #f5f5f5;
    --color-white: #fff;
    --color-border: #eee;
    --color-notice-bg: #fff9e6;
    --color-notice-border: #ffe4cc;
    --color-notice-title-bg: #fff9f2;
    --color-success: #4CAF50;
    --color-hover-bg: #f8f8f8;
    --color-filter-bg: #f0f0f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
}

* {
    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(--color-background);
    color: var(--color-text);
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
}

.logo img {
    width: 32px;
    height: 32px;
    margin-right: 10px;
}

.header-right a {
    text-decoration: none;
    color: var(--color-text);
    margin-left: 20px;
}

.header-right .register {
    color: var(--color-primary);
}


.main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.search-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo-large {
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.3s;
}

.search-input:focus {
    border-color: var(--color-primary);
}

.search-button {
    padding: 0 30px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.search-shortcut {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-background);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-text-light);
    font-size: 12px;
}

.resource-section {
    background-color: var(--color-white);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.platform-tabs {
    display: flex;
    gap: 10px;
}

.tab-button {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    background-color: var(--color-filter-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s;
}

.tab-button.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-title h2 {
    font-size: 18px;
    color: var(--color-text);
}

.more-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 14px;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.resource-card {
    background-color: var(--color-background);
    border-radius: 4px;
    padding: 15px;
    transition: transform 0.3s;
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.file-count {
    font-size: 12px;
    color: var(--color-text-light);
}

.resource-card:hover {
    transform: translateY(-2px);
}

.resource-platform {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 2px;
    font-size: 12px;
    margin-bottom: 10px;
}

.resource-name {
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-light);
    font-size: 12px;
}

.update-notice {
    background-color: var(--color-notice-bg);
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 30px;
}

.update-notice h3 {
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.update-content {
    color: var(--color-text-light);
}

.disclaimer {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--color-white);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.feature-card img {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
}

.footer {
    background-color: var(--color-white);
    padding: 60px 0 30px;
    margin-top: 40px;
    border-top: 1px solid var(--color-border);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--color-primary);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-background);
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s;
}

.social-icon:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.contact-info {
    color: var(--color-text-light);
    font-size: 14px;
    margin-top: 15px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright {
    color: var(--color-text-lighter);
    font-size: 14px;
}

.copyright a {
    color: var(--color-text-light);
    text-decoration: none;
}

.copyright a:hover {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .footer {
        padding: 40px 0 20px;
    }
}

/*
详情页
**/

.resource-info {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 30px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.resource-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 25px;
    line-height: 1.4;
}

.resource-meta {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
}

.resource-meta > div {
    display: flex;
    align-items: center;
    color: var(--color-text);
    font-size: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
}

.resource-meta > div:last-child {
    border-bottom: none;
}

.resource-meta > div::before {
    content: '';
    width: 24px;
    height: 24px;
    margin-right: 12px;
    background-size: contain;
    background-repeat: no-repeat;
}

.resource-meta > div:nth-child(1)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23666' d='M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M16.2,16.2L11,13V7H12.5V12.2L17,14.9L16.2,16.2Z'/%3E%3C/svg%3E");
}

.resource-meta > div:nth-child(2)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23666' d='M14,2H6A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H18A2,2 0 0,0 20,20V8L14,2M18,20H6V4H13V9H18V20Z'/%3E%3C/svg%3E");
}

.resource-meta > div:nth-child(3)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23666' d='M12,4A4,4 0 0,1 16,8A4,4 0 0,1 12,12A4,4 0 0,1 8,8A4,4 0 0,1 12,4M12,14C16.42,14 20,15.79 20,18V20H4V18C4,15.79 7.58,14 12,14Z'/%3E%3C/svg%3E");
}

.resource-source {
    display: flex;
    align-items: center;
    margin-top: 20px;
    padding: 15px;
    background: var(--color-background);
    border-radius: 8px;
}

.source-icon {
    width: 32px;
    height: 32px;
    margin-right: 12px;
}

.resource-price {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 18px;
    padding: 8px 16px;
    background: var(--color-notice-bg);
    border-radius: 6px;
    margin: 20px 0;
}

.resource-status {
    color: var(--color-success);
    font-weight: 500;
    margin-bottom: 20px;
}

.resource-status .error {
    color: var(--color-error);
}

.resource-status .success {
    color: var(--color-success);
}


.download-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 107, 0, 0.3);
}

.download-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.4);
}

@media (max-width: 768px) {
    .resource-info {
        padding: 20px;
    }

    .resource-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .resource-meta {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }

    .download-btn {
        width: 100%;
        justify-content: center;
    }
}

.notice-box {
    background-color: var(--color-notice-title-bg);
    border: 1px solid var(--color-notice-border);
    border-radius: 4px;
    padding: 15px;
    margin-top: 20px;
    font-size: 14px;
}

.notice-box p {
    margin: 5px 0;
    color: var(--color-text-light);
}

.file-list {
    background-color: var(--color-white);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: var(--shadow-sm);
}

.file-list-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--color-text);
}

.file-tree {
    list-style: none;
}

.file-tree-item {
    margin: 5px 0;
}

.file-tree-folder {
    margin-left: 20px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--color-border);
}

.file-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

.folder-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

.file-name {
    flex-grow: 1;
    color: var(--color-text);
}

.file-size {
    color: var(--color-text-lighter);
    font-size: 14px;
}


/*
搜索
**/


.search-bar {
    padding: 20px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.search-input-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 20px;
    font-size: 16px;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    outline: none;
}

.search-button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
}

.main-content {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    gap: 20px;
    padding: 0 20px;
}

.filter-panel {
    width: 250px;
    background: var(--color-white);
    border-radius: 8px;
    padding: 20px;
    height: fit-content;
}

.filter-section {
    margin-bottom: 20px;
}

.filter-section h3 {
    margin-bottom: 10px;
    color: var(--color-text);
    font-size: 16px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    cursor: pointer;
}

.search-results {
    flex: 1;
    background: var(--color-white);
    border-radius: 8px;
    padding: 20px;
}

.result-stats {
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.result-item {
    padding: 15px;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.result-item:hover {
    background-color: var(--color-hover-bg);
    transform: translateX(5px);
}

.result-item:last-child {
    border-bottom: none;
}

.result-item .folder-content {
    margin-top: 10px;
    padding-left: 34px;
    border-left: 2px solid #ff6b00;
    display: none;
}

.result-item .folder-content.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.folder-item {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 14px;
}

.folder-item:hover {
    color: #ff6b00;
}

.toggle-folder {
    cursor: pointer;
    color: #ff6b00;
    margin-left: auto;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    border: 1px solid #ff6b00;
    transition: all 0.3s ease;
}

.toggle-folder:hover {
    background: #ff6b00;
    color: white;
}

.result-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-title .file-icon {
    width: 24px;
    height: 24px;
}

.result-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.source-tag {
    padding: 2px 8px;
    background: #f0f0f0;
    border-radius: 4px;
    font-size: 12px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.page-button {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    cursor: pointer;
}

.page-button.active {
    background: #ff6b00;
    color: white;
    border-color: #ff6b00;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header-container {
        padding: 0 10px;
    }

    .logo img {
        width: 24px;
        height: 24px;
    }

    .header-right a {
        margin-left: 10px;
        font-size: 14px;
    }

    .search-input {
        font-size: 14px;
        padding: 10px 15px;
    }

    .search-shortcut {
        display: none;
    }

    .main-content {
        flex-direction: column;
        padding: 0 10px;
    }

    .filter-panel {
        width: 100%;
        margin-bottom: 15px;
        position: relative;
        padding-top: 40px;
    }

    .filter-panel::before {
        content: "筛选";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        padding: 10px;
        background: #ff6b00;
        color: white;
        font-size: 14px;
        border-radius: 8px 8px 0 0;
        cursor: pointer;
    }

    .filter-panel.collapsed .filter-section {
        display: none;
    }

    .filter-panel.collapsed::before {
        content: "展开筛选";
        border-radius: 8px;
    }

    .resource-info {
        padding: 15px;
    }

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

    .resource-meta {
        font-size: 12px;
    }

    .file-list {
        padding: 15px;
    }

    .file-name {
        font-size: 14px;
        word-break: break-all;
    }

    .file-size {
        font-size: 12px;
    }

    .notice-box {
        font-size: 12px;
        padding: 10px;
    }

    .result-item {
        padding: 10px;
    }

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

    .result-meta {
        flex-wrap: wrap;
        gap: 10px;
        font-size: 12px;
    }
}

/* 移动端筛选按钮 */
.mobile-filter-toggle {
    display: none;
    background: #ff6b00;
    color: white;
    padding: 10px;
    text-align: center;
    margin: 10px;
    border-radius: 4px;
    cursor: pointer;
}

@media screen and (max-width: 480px) {
    .features {
        grid-template-columns: 1fr;
    }

    .mobile-filter-toggle {
        display: block;
    }

    .search-results {
        padding: 10px;
    }

    .file-tree-folder {
        margin-left: 10px;
    }
}