:root {    --bg: #f8f9fc;    --card-bg: #ffffff;    --text: #1e2a3a;    --text-secondary: #5a6a7a;    --border: #e6edf4;    --shadow: 0 8px 24px rgba(0,20,40,0.06);    --modal-overlay: rgba(0,0,0,0.35);    --radius: 20px;    --transition: 0.25s ease;}@media (prefers-color-scheme: dark) {    :root {        --bg: #12161c;        --card-bg: #1e2630;        --text: #e8edf2;        --text-secondary: #9aabb8;        --border: #2e3845;        --shadow: 0 8px 24px rgba(0,0,0,0.45);        --modal-overlay: rgba(0,0,0,0.7);    }}* {    margin:0;    padding:0;    box-sizing:border-box;    -webkit-touch-callout: none;    -webkit-user-select: none;    user-select: none;    touch-action: manipulation;}body {    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;    background: var(--bg);    color: var(--text);    padding: 2rem 1.5rem;    min-height: 100vh;    transition: background var(--transition), color var(--transition);}.container { max-width:1280px; margin:0 auto; }.site-header {    display: flex;    align-items: center;    gap: 1rem;    margin-bottom: 2.8rem;    border-bottom: 3px solid var(--border);    padding-bottom: 0.4rem;    flex-wrap: wrap;}.site-logo {    height: 50px;    width: auto;    object-fit: contain;    flex-shrink: 0;}.site-title {    font-size: 3.2rem;    font-weight: 600;    letter-spacing: 2px;    margin: 0;    border-bottom: none;    display: inline-block;    transition: color var(--transition);}.qq-group {    margin-left: auto;    font-size: 1.1rem;    color: var(--text-secondary);    background: var(--card-bg);    padding: 0.3rem 1rem;    border-radius: 20px;    border: 1px solid var(--border);    white-space: nowrap;    flex-shrink: 0;    font-weight: 500;}.category-section { margin-bottom: 3rem; }.category-title {    font-size: 2rem;    font-weight: 500;    margin-bottom: 1.2rem;    padding-left: 0.8rem;    border-left: 5px solid #4a90d9;    letter-spacing: 0.5px;}.card-grid {    display: grid;    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));    gap: 1.8rem;}.card {    background: var(--card-bg);    border-radius: var(--radius);    box-shadow: var(--shadow);    padding: 1.6rem 1rem 1.2rem;    display: flex;    flex-direction: column;    align-items: center;    text-align: center;    cursor: pointer;    transition: transform 0.2s ease, box-shadow 0.25s ease, background var(--transition);    border: 1px solid var(--border);}.card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,20,40,0.10); }.card-icon {    width: 80px; height: 80px; border-radius: 16px;    object-fit: cover; background: #f0f4fa;    margin-bottom: 0.6rem;    box-shadow: 0 2px 8px rgba(0,0,0,0.04);}@media (prefers-color-scheme: dark) { .card-icon { background: #2a3440; } }.card-name { font-size: 1.4rem; font-weight: 600; margin: 0.1rem 0 0.05rem; }.card-version { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.4rem; }.card-desc {    font-size: 0.75rem; line-height: 1.5; color: var(--text-secondary);    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;    overflow: hidden; max-height: 2.4rem; width: 100%;}.modal-overlay {    position: fixed;    inset: 0;    background: var(--bg);    z-index: 1000;    opacity: 0;    visibility: hidden;    transition: opacity 0.3s ease, visibility 0.3s ease;    overflow-y: auto;    padding: 0;}.modal-overlay.active {    opacity: 1;    visibility: visible;}.modal-box {    background: var(--bg);    width: 100%;    min-height: 100vh;    padding: 4rem 1.5rem 3rem;    border-radius: 0;    box-shadow: none;    border: none;    display: flex;    flex-direction: column;    align-items: center;    position: relative;}.modal-close {    position: fixed;    top: 1rem;    right: 1.5rem;    font-size: 2rem;    line-height: 1;    cursor: pointer;    color: var(--text-secondary);    background: var(--card-bg);    border: 1px solid var(--border);    border-radius: 50%;    width: 44px;    height: 44px;    display: flex;    align-items: center;    justify-content: center;    z-index: 1001;    box-shadow: var(--shadow);    transition: background 0.2s;}.modal-close:hover {    background: var(--border);    color: var(--text);}.modal-icon {    width: 100px;    height: 100px;    border-radius: 20px;    object-fit: cover;    margin-top: 2.5rem;    margin-bottom: 1rem;    box-shadow: 0 4px 12px rgba(0,0,0,0.08);}.modal-name {    font-size: 2.2rem;    font-weight: 600;    margin-bottom: 0.2rem;}.modal-version {    font-size: 1rem;    color: var(--text-secondary);    margin-bottom: 1rem;}.modal-desc-full {    font-size: 1rem;    line-height: 1.8;    color: var(--text-secondary);    max-width: 600px;    width: 100%;    text-align: left;    white-space: pre-wrap;    margin: 0.5rem 0 2rem;}.modal-download {    background: #4a90d9;    color: #fff;    border: none;    padding: 0.8rem 3rem;    border-radius: 40px;    font-weight: 600;    font-size: 1.2rem;    cursor: pointer;    transition: background 0.2s;    width: 100%;    max-width: 300px;}.modal-download:hover { background: #357abd; }.modal-download:disabled { background: #aaa; cursor: not-allowed; }#downloadStatus {    font-size: 0.9rem;    color: var(--text-secondary);    margin-top: 0.8rem;    min-height: 1.8rem;}@media (max-width: 1024px) {    body { padding: 1.5rem 1.2rem; }    .site-title { font-size: 2.8rem; }    .category-title { font-size: 1.8rem; }    .card-grid { grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 1.5rem; }    .site-logo { height: 45px; }    .qq-group { font-size: 1rem; padding: 0.2rem 0.8rem; }}@media (max-width: 768px) {    body { padding: 1.2rem 1rem; }    .site-header { gap: 0.6rem; }    .site-logo { height: 40px; }    .site-title { font-size: 2rem; }    .qq-group { font-size: 0.8rem; padding: 0.2rem 0.6rem; margin-left: auto; }    .category-title { font-size: 1.5rem; padding-left: 0.6rem; }    .card-grid { grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 1.2rem; }    .card { padding: 1.2rem 0.8rem 1rem; }    .card-icon { width: 70px; height: 70px; }    .card-name { font-size: 1.2rem; }    .card-version { font-size: 0.75rem; }    .card-desc { font-size: 0.7rem; }    .modal-box { padding: 3.5rem 1rem 2rem; }    .modal-icon { margin-top: 2rem; width: 80px; height: 80px; }    .modal-name { font-size: 1.8rem; }    .modal-desc-full { font-size: 0.95rem; }    .modal-download { font-size: 1rem; padding: 0.6rem 2rem; }    .modal-close { width: 40px; height: 40px; font-size: 1.8rem; }}@media (max-width: 480px) {    body { padding: 0.8rem 0.6rem; }    .site-header { gap: 0.4rem; flex-wrap: wrap; }    .site-logo { height: 32px; }    .site-title { font-size: 1.6rem; }    .qq-group { font-size: 0.7rem; padding: 0.1rem 0.5rem; margin-left: auto; }    .category-title { font-size: 1.3rem; }    .card-grid { grid-template-columns: repeat(auto-fill, minmax(120px,1fr)); gap: 0.8rem; }    .card { padding: 1rem 0.6rem 0.8rem; }    .card-icon { width: 60px; height: 60px; border-radius: 12px; }    .card-name { font-size: 1rem; }    .card-version { font-size: 0.7rem; }    .card-desc { font-size: 0.65rem; max-height: 2rem; }    .modal-box { padding: 3rem 0.8rem 2rem; }    .modal-icon { margin-top: 1.8rem; width: 70px; height: 70px; }    .modal-name { font-size: 1.5rem; }    .modal-version { font-size: 0.85rem; }    .modal-desc-full { font-size: 0.9rem; }    .modal-download { font-size: 0.95rem; padding: 0.5rem 1.5rem; }    .modal-close { width: 36px; height: 36px; font-size: 1.5rem; top: 0.5rem; right: 0.8rem; }}