* {
    padding: 0;
    margin: 0;
    -webkit-user-drag: none;
    user-select: none;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #0a0207;
}

.desktop {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    color: #fff;
}

/* ============ 背景 ============ */
.desktop > .bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* ============ 内容层 ============ */
.overlay {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* ============ 顶部导航 ============ */
.top {
    position: relative;
    z-index: 20;
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2vh 4vw;
}

.logo {
    height: 9vh;
    max-height: 96px;
    width: auto;
    object-fit: contain;
}

.contact {
    display: flex;
    align-items: center;
    gap: 1.2vw;
}

.nav-btn {
    height: clamp(40px, 5vh, 64px);
    width: auto;
    object-fit: contain;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* ============ 主体两栏 ============ */
.main {
    flex: 1;
    display: flex;
    align-items: stretch;
    min-height: 0;
    padding: 0 4vw 4vh;
    gap: 2vw;
}

.left-col {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    padding: 2vh 0 0 2vw;
}

.title-img {
    width: 100%;
    max-width: 48vw;
    max-height: 50vh;
    height: auto;
    object-fit: contain;
    object-position: left top;
}

/* QR 块：左二维码方块 + 右 qrPic 横幅 */
.qr-block {
    display: flex;
    align-items: center;
    gap: 1vw;
    margin-top: 2vh;
}

.qrcode-box {
    flex-shrink: 0;
    height: clamp(140px, 16vh, 200px);
    aspect-ratio: 1 / 1;
    background: #fff;
    padding: 8px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.qr-pic {
    display: block;
    height: clamp(140px, 16vh, 200px);
    width: auto;
    object-fit: contain;
}

#qrcode {
    width: 100%;
    height: 100%;
}

#qrcode img,
#qrcode canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* ============ 右列：模特 ============ */
.right-col {
    position: relative;
    flex: 1 1 50%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    min-width: 0;
}

.hero-img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 28px rgba(255, 60, 130, 0.4));
}

/* ============ 响应式 ============ */
@media (max-width: 1280px) {
    .title-img {
        max-width: 46vw;
        max-height: 42vh;
    }

    .qrcode-box,
    .qr-pic {
        height: 130px;
    }
}

@media (max-height: 760px) {
    .title-img {
        max-height: 38vh;
    }

    .qrcode-box,
    .qr-pic {
        height: 120px;
    }
}