* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    min-height: 100vh;

    /* ⭐ 保留你的原背景图（重点） */
    background: url("./assets/photo.png") no-repeat center center;
    background-size: cover;
    background-attachment: fixed;

    color: white;
    overflow-x: hidden;
}

/* ⭐ 星空粒子背景（增强层，不覆盖背景图） */
.stars {
    position: fixed;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: radial-gradient(white 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.12;
    animation: drift 120s linear infinite;
    pointer-events: none;
}

@keyframes drift {
    from { transform: translate(0,0); }
    to { transform: translate(200px,-200px); }
}

/* ⭐ 鼠标光效 */
.cursor-light {
    position: fixed;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(173,216,255,0.25), transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    mix-blend-mode: screen;
}

/* ⭐ 容器（稳定布局） */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

/* ⭐ 云母效果（保留 + 强化） */
.mica {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    transition: 0.3s;
}

/* ⭐ 终极卡片效果 */
.card {
    padding: 28px;
    transform-style: preserve-3d;
    transition: 0.4s;
}

/* ⭐ hover光晕 */
.card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 0 30px rgba(120,180,255,0.25);
}

/* ⭐ 图片 */
.art-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.art-item img {
    width: 100%;
    border-radius: 12px;
}

/* ⭐ header/footer */
.header-card,
.footer {
    max-width: 900px;
    margin: 20px auto;
    text-align: center;
    padding: 30px;
}
.card img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}