* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto;
}

html, body {
    width: 100%;
    height: 100%;
}

/* 背景 */
.background {
    position: fixed;
    inset: 0;
    background: url("/wallpaper/current.jpg") center / cover no-repeat;
    z-index: -2;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: -1;
}

/* 主体容器 */
.container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Logo */
.logo {
    width: 120px;
    margin-bottom: 30px;
}

/* 搜索框 */
form {
    display: flex;
    width: 320px;
    max-width: 90%;
}

form input {
    flex: 1;
    padding: 12px;
    font-size: 16px;
    border: none;
    outline: none;
    border-radius: 6px 0 0 6px;
}

form button {
    padding: 0 18px;
    border: none;
    background: #0078ff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    border-radius: 0 6px 6px 0;
}

form button:hover {
    background: #005ed6;
}

/* Sub-Web 按钮 */
.subweb-btn {
    margin-top: 22px;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    backdrop-filter: blur(6px);
    transition: background 0.2s;
}

.subweb-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}