body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
    font-family: 'Segoe UI', 'Arial', sans-serif;
    color: #e0f7fa;
    display: flex;
    flex-direction: column;
}

.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 4rem;
    letter-spacing: 2px;
    color: transparent;      /* 本体完全透明 */
    margin: 0;
    position: relative;
    padding: 0 32px;
    border-bottom: 4px solid #00c6ff;
    overflow: hidden;
    -webkit-text-stroke: 0 transparent; /* 取消本体描边 */
    text-stroke: 0 transparent;
}

/* 流光描边特效 */
h1::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    color: transparent;
    background: linear-gradient(120deg, #00c6ff 10%, #fff 40%, #00c6ff 60%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-stroke: 2px #00c6ff;
    text-stroke: 2px #00c6ff;
    animation: border-shine 2s linear infinite;
    pointer-events: none;
}

/* 流光特效 */
h1::after {
    content: '';
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 100px;
    height: 120%;
    background: linear-gradient(120deg, rgba(0,198,255,0) 0%, rgba(0,198,255,0.6) 50%, rgba(0,198,255,0) 100%);
    animation: shine 2s linear infinite;
    pointer-events: none;
}

@keyframes shine {
    0% {
        left: -100px;
    }
    100% {
        left: 100%;
    }
}

@keyframes border-shine {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 假设备案信息在 class 为 "beian" 的元素中 */
.beian {
    color: #b3e5fc; /* 使用已有的浅青色，与 footer 颜色一致 */
    /* 或者使用更醒目的颜色 */
    /* color: #e0f7fa; */
    /* 如需进一步突出，可添加阴影 */
    text-shadow: 0 0 2px rgba(0, 255, 255, 0.5);
    a{
        text-decoration: none;
    }
    a:hover{
        text-decoration: underline;
    }
}

.footer {
    background: rgba(0, 38, 66, 0.8);
    color: #b3e5fc;
    text-align: center;
    padding: 16px 0;
    font-size: 1rem;
    letter-spacing: 1px;
    border-top: 1px solid #00c6ff;
}