:root {
    --transition: 0.3s ease;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

    /* 暗色模式默认变量 */
    --bg-gradient: linear-gradient(120deg, #1a1a1a, #2c2c2e);
    --text-color: #f5f5f7;
    /* 将 table-bg 稍微调得更透明一点 */
    --table-bg: rgba(40,40,45,0.3);
    --thead-bg: rgba(255,255,255,0.1);
    --hover-bg: rgba(255,255,255,0.1);
    --border-color: rgba(255,255,255,0.2);
    --link-bg: #0a84ff;
    --link-hover-bg: #0062cc;
    --accessible-color: #0a84ff;
    --inaccessible-color: #d93025;
}
/*125源码网 www.125o.com*/
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-gradient);
    color: var(--text-color);
    transition: background var(--transition), color var(--transition);
}

header {
    text-align: center;
    margin: 0 20px 30px;
}

.title-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.title-bar h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.5px;
}

.theme-icon {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    transition: color var(--transition);
}

.container {
    /* 使用更加透明的前景背景，以便能看出后面被模糊的背景 */
    background: var(--table-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 20px;
    max-width: 700px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    transition: background var(--transition), border var(--transition);
}

table {
    border-collapse: collapse;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    transition: background var(--transition);
}

thead {
    background: var(--thead-bg);
    transition: background var(--transition);
}

th {
    font-weight: 600;
    padding: 14px 16px;
    font-size: 0.95rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

td {
    padding: 14px 16px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    transition: background var(--transition);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr:hover td {
    background: var(--hover-bg);
}

.status {
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.loading {
    color: #aaa;
    position: relative;
}

.loading::after {
    content: "检测中…";
}

.accessible {
    color: var(--accessible-color);
    font-weight: 500;
}

.inaccessible {
    color: var(--inaccessible-color);
    font-weight: 500;
}

.accessible::before,
.inaccessible::before {
    margin-right: 6px;
}

.accessible::before {
    content: "✅";
}

.inaccessible::before {
    content: "❌";
}

a.open-link {
    display: inline-block;
    margin-left: 12px;
    background: var(--link-bg);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.9rem;
    transition: background var(--transition);
}
a.open-link:hover {
    background: var(--link-hover-bg);
}

.big-button {
    display: block;
    width: 100%;
    background: var(--link-bg);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    padding: 14px 0;
    cursor: pointer;
    margin-top: 20px;
    transition: background var(--transition);
    text-align: center;
    box-sizing: border-box;
}
.big-button:hover {
    background: var(--link-hover-bg);
}

@media (max-width: 600px) {
    th, td {
        font-size: 0.9rem;
        padding: 10px 12px;
    }
    .title-bar h2 {
        font-size: 1.6rem;
    }
}