#app {
    min-height: 100%;
}
.caifu-initial-boot {
    position: fixed;
    z-index: 10000;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
    user-select: none;
    color: #ffffff;
    background:
        radial-gradient(circle at 24% 16%, rgba(91, 117, 255, 0.38), transparent 32%),
        radial-gradient(circle at 92% 70%, rgba(25, 211, 197, 0.2), transparent 34%),
        linear-gradient(135deg, #07070a 0%, #151127 58%, #0d1020 100%);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}
.caifu-initial-card {
    width: min(100%, 328px);
    padding: 26px 22px 22px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    background: rgba(21, 22, 30, 0.92);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
}
.caifu-initial-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}
.caifu-initial-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 16px;
    background: linear-gradient(135deg, #5b6fff 0%, #7a5cff 58%, #19d3c5 100%);
    box-shadow: 0 12px 30px rgba(91, 117, 255, 0.32);
}
.caifu-initial-icon svg {
    width: 34px;
    height: 34px;
    fill: none;
}
.caifu-initial-icon .bot-face {
    fill: rgba(255, 255, 255, 0.16);
    stroke: rgba(255, 255, 255, 0.92);
    stroke-width: 2;
}
.caifu-initial-icon .bot-antenna,
.caifu-initial-icon .bot-mouth,
.caifu-initial-icon .bot-ear {
    stroke: rgba(255, 255, 255, 0.9);
    stroke-width: 2;
    stroke-linecap: round;
}
.caifu-initial-icon .bot-dot,
.caifu-initial-icon .bot-eye {
    fill: #ffffff;
}
.caifu-initial-brand strong {
    display: block;
    font-size: 18px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: 0;
}
.caifu-initial-brand small {
    display: block;
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.58);
    font-size: 12px;
    line-height: 1.2;
}
.caifu-initial-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}
.caifu-initial-track span {
    display: block;
    width: 42%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #5b6fff 0%, #7a5cff 52%, #19d3c5 100%);
    box-shadow: 0 0 18px rgba(91, 117, 255, 0.58);
    animation: caifu-initial-loading 1.2s ease-in-out infinite;
}
.caifu-initial-text {
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.4;
}
@keyframes caifu-initial-loading {
    0% {
        transform: translateX(-125%);
    }
    56% {
        transform: translateX(70%);
    }
    100% {
        transform: translateX(240%);
    }
}
#browser-upgrade {
    position: absolute;
    z-index: 10001;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    display: none;
    user-select: none;
    color: #736477;
    background-color: snow;
}
#browser-upgrade .title {
    margin: 40px 0;
    text-align: center;
    font-size: 24px;
}
#browser-upgrade .browsers {
    text-align: center;
}
#browser-upgrade .browsers .browser {
    display: inline-block;
    margin: 0 20px;
    cursor: pointer;
    text-decoration: none;
}
#browser-upgrade .browsers .browser .browser-icon {
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border: none;
}
#browser-upgrade .browsers .browser .browser-name {
    text-align: center;
    margin-top: 10px;
    padding-bottom: 2px;
    color: #736477;
    border-bottom: 1px solid transparent;
}
#browser-upgrade .browsers .browser:hover .browser-name {
    border-bottom: 1px solid #736477;
}