/* ---------- 中文化与界面增强（Zest·Heroic） ---------- */
.threejs-journey .message
{
    font-family: 'Comic Neue', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    line-height: 1.55;
    letter-spacing: 0.02em;
}

.threejs-journey .message .bubble
{
    box-shadow: 0 10px 30px rgba(60, 30, 10, 0.12);
}

.threejs-journey .message .answer
{
    font-family: 'Comic Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    letter-spacing: 0.04em;
}

.back-home
{
    position: fixed;
    top: 22px;
    left: 22px;
    z-index: 20;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 15px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 999px;
    background: rgba(38, 30, 24, 0.42);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 0.04em;
    transition: background 0.2s, transform 0.2s;
}

.back-home:hover
{
    background: rgba(38, 30, 24, 0.62);
    transform: translateY(-1px);
}

.brand-tag
{
    position: fixed;
    top: 26px;
    right: 24px;
    z-index: 20;
    display: flex;
    align-items: baseline;
    gap: 10px;
    color: rgba(50, 38, 28, 0.6);
    pointer-events: none;
}

.brand-tag em
{
    font-style: normal;
    font-size: 11px;
    letter-spacing: 0.18em;
    font-weight: 700;
}

.brand-tag span
{
    font-size: 10px;
    letter-spacing: 0.16em;
    padding-left: 10px;
    border-left: 1px solid rgba(50, 38, 28, 0.22);
}

.boot
{
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    background: #f7e8d5;
    transition: opacity 0.7s 0.15s, visibility 0.7s;
}

body.is-ready .boot
{
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.boot-inner
{
    display: grid;
    justify-items: center;
    text-align: center;
    color: #3a2f26;
}

.boot-mark
{
    width: 46px;
    height: 46px;
    border: 1.5px solid #3a2f26;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 18px;
}

.boot-text
{
    font-size: 14px;
    letter-spacing: 0.06em;
}

.boot-bar
{
    width: 180px;
    height: 2px;
    margin: 15px 0 12px;
    background: rgba(58, 47, 38, 0.14);
    overflow: hidden;
}

.boot-bar i
{
    display: block;
    width: 40%;
    height: 100%;
    background: #3a2f26;
    animation: bootSlide 1.2s ease-in-out infinite;
}

@keyframes bootSlide
{
    0% { transform: translateX(-110%); }
    100% { transform: translateX(320%); }
}

.boot-sub
{
    font-family: ui-monospace, monospace;
    font-size: 9px;
    letter-spacing: 0.18em;
    color: rgba(58, 47, 38, 0.55);
}

.boot.is-stuck .boot-bar i
{
    animation: none;
    width: 100%;
    opacity: 0.2;
}

.boot.is-stuck .boot-sub
{
    color: #a24b3b;
    letter-spacing: 0.06em;
}

@media (max-width: 700px)
{
    .back-home { top: 14px; left: 14px; padding: 9px 12px; font-size: 11px; }
    .brand-tag { top: 18px; right: 14px; }
    .brand-tag span { display: none; }
    .threejs-journey { width: calc(100% - 28px); right: 14px; bottom: 18px; }
}