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

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: #f6f7fb;
    color: #1f2329;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

.qrcode-page {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding:
        max(16px, env(safe-area-inset-top))
        max(16px, env(safe-area-inset-right))
        max(16px, env(safe-area-inset-bottom))
        max(16px, env(safe-area-inset-left));
}

.qrcode-stage {
    width: 78vw;
    width: min(78vmin, calc(100vw - 32px), max(120px, calc(100dvh - 200px)), 420px);
}

.qrcode-card {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qrcode-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(31, 35, 41, 0.08);
    overflow: hidden;
    flex-shrink: 0;
}

.qrcode-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.qrcode-title {
    width: 100%;
    margin: 14px 0 0;
    text-align: center;
    font-size: clamp(14px, 4vw, 18px);
    line-height: 1.4;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.qrcode-empty {
    text-align: center;
    color: #8a8f99;
    font-size: 16px;
}

.qrcode-empty p {
    margin: 0;
}

@media (max-width: 360px) {
    .qrcode-stage {
        width: min(84vmin, calc(100vw - 24px), max(120px, calc(100dvh - 200px)));
    }
}

@media (orientation: landscape) and (max-height: 500px) {
    .qrcode-stage {
        width: min(68vmin, calc(100vw - 32px), max(96px, calc(100dvh - 160px)), 360px);
    }

    .qrcode-title {
        margin-top: 8px;
        font-size: 13px;
    }
}