/* ============================================
   腾隍纽扣 - 右侧悬浮快捷栏（桌面悬停 / 手机点击）
   ============================================ */

:root {
    --floatbar-theme: #6a79d9;
    --floatbar-bg: #ffffff;
    --floatbar-icon: #1a1a1a;
    --floatbar-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --floatbar-radius: 12px 0 0 12px;
}

.site-floatbar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translate3d(100%, -50%, 0);
    z-index: 1040;
    font-family: 'AlibabaPuHuiTi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    pointer-events: none;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
    opacity: 0;
    max-width: 100vw;
    box-sizing: border-box; /* 确保固定定位元素不会因 padding/border 溢出 */
}

.site-floatbar.is-visible {
    transform: translate3d(0, -50%, 0);
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 767.98px) {
     .site-floatbar {
        top: auto;
        right: max(8px, env(safe-area-inset-right));
        bottom: max(30px, env(safe-area-inset-bottom) + 20px);
        transform: translate3d(120%, 0, 0);
    }

    .site-floatbar.is-visible {
        transform: translate3d(0, 0, 0);
    }

    .site-floatbar-inner {
        padding: 0; /* 移动端去掉内部多余的左侧 padding */
        gap: 12px; /* 移动端按钮间距大一点方便点击 */
    }

    .site-floatbar-btn {
        border-radius: 50%; /* 移动端改为圆圈更美观且不显突兀 */
        width: 50px;
        height: 50px;
        min-width: 50px;
        min-height: 50px;
        padding: 0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
}

.site-floatbar-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 0 10px 10px;
    filter: drop-shadow(var(--floatbar-shadow));
}

.site-floatbar-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    min-width: 48px;
    padding: 0 12px;
    border: none;
    background: var(--floatbar-bg);
    color: var(--floatbar-icon);
    cursor: pointer;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    border-radius: var(--floatbar-radius);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06) inset;
    transition:
        background 0.28s ease,
        color 0.28s ease,
        min-width 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.25s ease,
        box-shadow 0.28s ease;
}

.site-floatbar-btn:hover,
.site-floatbar-btn:focus-visible {
    background: var(--floatbar-theme);
    color: #fff;
    outline: none;
    box-shadow: 0 8px 24px rgba(106, 121, 217, 0.45);
}

.site-floatbar-btn:active {
    transform: scale(0.96);
}

.site-floatbar-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    font-size: 1.15rem;
    line-height: 1;
}

.site-floatbar-btn-icon .fab {
    font-size: 1.35rem;
}

/* 1688 字标 */
.site-floatbar-1688 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: -0.02em;
}

/* 在线咨询：展开文案 */
.site-floatbar-consult {
    justify-content: flex-start;
    gap: 0;
    min-width: 48px;
    width: 48px;
    overflow: hidden;
    padding-left: 12px;
    padding-right: 12px;
}

.site-floatbar-consult .site-floatbar-btn-text {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    white-space: nowrap;
    opacity: 0;
    max-width: 0;
    margin-left: 0;
    overflow: hidden;
    transition:
        opacity 0.3s ease,
        max-width 0.4s cubic-bezier(0.22, 1, 0.36, 1),
        margin-left 0.3s ease;
}

@media (min-width: 768px) {
    .site-floatbar-consult:hover,
    .site-floatbar-consult:focus-visible {
        min-width: 148px;
        width: auto;
    }

    .site-floatbar-consult:hover .site-floatbar-btn-text,
    .site-floatbar-consult:focus-visible .site-floatbar-btn-text {
        opacity: 1;
        max-width: 120px;
        margin-left: 8px;
    }
}

@media (max-width: 767.98px) {
    .site-floatbar-consult .site-floatbar-btn-text {
        display: none;
    }
}

/* 桌面：二维码向左浮出 */
.site-floatbar-pop .site-floatbar-tooltip {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px;
    min-width: 220px;
    background: #fff;
    color: #333;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translate(12px, -50%);
    transition:
        opacity 0.3s ease,
        transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0.3s;
}

.site-floatbar-tooltip img {
    display: block;
    width: 200px;
    height: 200px;
    max-width: 56vw;
    max-height: 56vw;
    object-fit: cover;
    border-radius: 8px;
}

.site-floatbar-tooltip-cap {
    font-size: 0.78rem;
    color: #666;
    letter-spacing: 0.04em;
}

@media (min-width: 768px) {
    .site-floatbar-pop:hover .site-floatbar-tooltip,
    .site-floatbar-pop:focus-within .site-floatbar-tooltip {
        opacity: 1;
        visibility: visible;
        transform: translate(0, -50%);
        pointer-events: auto;
    }
}

@media (max-width: 767.98px) {
    .site-floatbar-pop .site-floatbar-tooltip {
        display: none;
    }
}

/* 返回顶部：箭头轻微上下浮动 */
@keyframes floatbar-top-nudge {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.site-floatbar-top .site-floatbar-btn-icon {
    font-size: 1rem;
}

.site-floatbar-top .site-floatbar-btn-icon i {
    display: inline-block;
    animation: floatbar-top-nudge 1.85s ease-in-out infinite;
}

.site-floatbar-top:hover .site-floatbar-btn-icon i,
.site-floatbar-top:focus-visible .site-floatbar-btn-icon i {
    animation: none;
    transform: translateY(-2px);
}

/* 移动端底部弹层 */
.site-floatbar-sheet-overlay {
    position: fixed;
    inset: 0;
    z-index: 1055;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

.site-floatbar-sheet-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.site-floatbar-sheet {
    position: fixed;
    left: 50%;
    bottom: 0;
    z-index: 1060;
    width: min(400px, 100%);
    max-height: min(78vh, 580px);
    padding: 20px 20px calc(24px + env(safe-area-inset-bottom));
    background: #fff;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.12);
    transform: translate3d(-50%, 110%, 0);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-floatbar-sheet.is-open {
    transform: translate3d(-50%, 0, 0);
}

.site-floatbar-sheet-close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.site-floatbar-sheet-close:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.site-floatbar-sheet-title {
    margin: 0 0 14px;
    padding-right: 36px;
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: 0.06em;
}

.site-floatbar-sheet-img-wrap {
    text-align: center;
}

.site-floatbar-sheet-img-wrap img {
    width: min(300px, 88vw);
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
}

@media (prefers-reduced-motion: reduce) {
    .site-floatbar,
    .site-floatbar-btn,
    .site-floatbar-consult .site-floatbar-btn-text,
    .site-floatbar-pop .site-floatbar-tooltip,
    .site-floatbar-sheet,
    .site-floatbar-sheet-overlay {
        transition: none !important;
    }

    .site-floatbar-top .site-floatbar-btn-icon i {
        animation: none !important;
    }
}