:root {
    --niliu-primary-color: #3b82f6;
    --niliu-primary-hover: #2563eb;
    --niliu-text-color: #333333;
    --niliu-text-muted: #666666;
    --niliu-bg-color: #ffffff;
    --niliu-bg-secondary: #f5f5f5;
    --niliu-border-color: #e5e5e5;
    --niliu-border-radius: 8px;
    --niliu-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 授权信息中的空域名提示只做竖直居中，保持内容靠左。 */
.author-set-right.pidan-auth-domain-empty-wrap {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    text-align: left;
}

.pidan-auth-domain-empty {
    text-align: left;
}

.niliu-members-only-notice {
    padding: 15px 20px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--niliu-border-radius);
    color: #856404;
    margin: 15px 0;
}

.niliu-notice {
    padding: 15px 20px;
    background-color: #e3f2fd;
    border-left: 4px solid var(--niliu-primary-color);
    border-radius: var(--niliu-border-radius);
    margin: 15px 0;
}

.niliu-footer-text {
    text-align: center;
    padding: 10px;
    color: var(--niliu-text-muted);
    font-size: 12px;
}

.niliu-footer-lightbox-enabled .footer-main img,
.niliu-footer-lightbox-enabled .footer-theme img,
.niliu-footer-lightbox-enabled footer img {
    cursor: zoom-in;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.niliu-footer-lightbox-enabled .footer-main img:hover,
.niliu-footer-lightbox-enabled .footer-theme img:hover,
.niliu-footer-lightbox-enabled footer img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.niliu-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out;
}

.niliu-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.niliu-lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    cursor: default;
}

.niliu-lightbox.active img {
    transform: scale(1);
}

.niliu-lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
}

.niliu-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.niliu-lightbox-close::before,
.niliu-lightbox-close::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: #fff;
}

.niliu-lightbox-close::before {
    transform: rotate(45deg);
}

.niliu-lightbox-close::after {
    transform: rotate(-45deg);
}

.niliu-lightbox-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

@media (max-width: 768px) {
    .niliu-lightbox img {
        max-width: 95%;
        max-height: 80%;
    }

    .niliu-lightbox-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

/* 网站运行时间 */
.niliu-runtime-wrapper {
    --niliu-runtime-accent: var(--focus-color, #5b7cfa);
    --niliu-runtime-text: var(--footer-color, #6f7682);
    --niliu-runtime-border: var(--main-border-color, rgba(21, 28, 40, 0.09));
    --niliu-runtime-surface: rgba(120, 128, 142, 0.055);
    --niliu-runtime-accent-soft: rgba(91, 124, 250, 0.10);
    padding: 8px 0;
    text-align: center;
    color: var(--niliu-runtime-text);
    font-size: 12px;
    line-height: 1.5;
}

.niliu-runtime-wrapper .niliu-runtime {
    max-width: 100%;
}

.niliu-runtime-wrapper .runtime-icon,
.niliu-runtime-wrapper .runtime-prefix,
.niliu-runtime-wrapper .runtime-suffix,
.niliu-runtime-wrapper .runtime-num,
.niliu-runtime-wrapper .runtime-unit {
    color: inherit;
}

.niliu-runtime-wrapper .runtime-num {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.niliu-runtime-wrapper .runtime-value,
.niliu-runtime-wrapper .runtime-segment {
    min-width: 0;
}

/* 轻量文字：融入页脚，但用一枚柔和时钟图标建立视觉锚点。 */
.niliu-runtime-wrapper.mode-inline {
    padding: 5px 0;
}

.niliu-runtime-wrapper.mode-inline .niliu-runtime {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px;
    color: var(--niliu-runtime-text);
}

.niliu-runtime-wrapper.mode-inline .runtime-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--niliu-runtime-accent-soft);
    color: var(--niliu-runtime-accent);
    font-size: 11px;
}

.niliu-runtime-wrapper.mode-inline .runtime-prefix {
    opacity: .86;
}

.niliu-runtime-wrapper.mode-inline .runtime-value {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 1px;
}

.niliu-runtime-wrapper.mode-inline .runtime-segment {
    display: inline-flex;
    align-items: baseline;
}

.niliu-runtime-wrapper.mode-inline .runtime-num {
    font-size: 12.5px;
    font-weight: 700;
}

.niliu-runtime-wrapper.mode-inline .runtime-unit {
    margin: 0 3px 0 1px;
    font-size: 10px;
    opacity: .62;
}

.niliu-runtime-wrapper.mode-inline .runtime-days .runtime-num {
    color: var(--niliu-runtime-accent);
}

.niliu-runtime-wrapper.mode-inline .runtime-suffix {
    margin-left: 1px;
    opacity: .65;
}

/* 胶囊状态：与备案胶囊保持同一套轻量、圆润的页脚语言。 */
.niliu-runtime-wrapper.mode-badge .niliu-runtime {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 7px;
    min-height: 34px;
    padding: 6px 12px 6px 7px;
    border: 1px solid var(--niliu-runtime-border);
    border-radius: 999px;
    background: var(--niliu-runtime-surface);
    box-shadow: 0 1px 3px rgba(20, 24, 32, 0.045);
    color: var(--niliu-runtime-text);
    transition: transform .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.niliu-runtime-wrapper.mode-badge .niliu-runtime:hover {
    transform: translateY(-1px);
    border-color: rgba(91, 124, 250, .28);
    background: rgba(91, 124, 250, .07);
    box-shadow: 0 4px 12px rgba(20, 24, 32, .07);
}

.niliu-runtime-wrapper.mode-badge .runtime-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 23px;
    height: 23px;
    flex: 0 0 23px;
    border-radius: 50%;
    background: var(--niliu-runtime-accent-soft);
    color: var(--niliu-runtime-accent);
    font-size: 11px;
}

.niliu-runtime-wrapper.mode-badge .runtime-prefix {
    white-space: nowrap;
    font-weight: 500;
    opacity: .88;
}

.niliu-runtime-wrapper.mode-badge .runtime-separator {
    width: 3px;
    height: 3px;
    flex: 0 0 3px;
    border-radius: 50%;
    background: currentColor;
    opacity: .26;
}

.niliu-runtime-wrapper.mode-badge .runtime-value {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 1px;
}

.niliu-runtime-wrapper.mode-badge .runtime-segment {
    display: inline-flex;
    align-items: baseline;
}

.niliu-runtime-wrapper.mode-badge .runtime-num {
    font-size: 13px;
    font-weight: 700;
}

.niliu-runtime-wrapper.mode-badge .runtime-days .runtime-num {
    color: var(--niliu-runtime-accent);
}

.niliu-runtime-wrapper.mode-badge .runtime-unit {
    margin: 0 3px 0 1px;
    font-size: 10px;
    opacity: .58;
}

.niliu-runtime-wrapper.mode-badge .runtime-suffix {
    white-space: nowrap;
    opacity: .62;
}

/* 分段仪表盘：时间段独立成小块，信息层次更明确。 */
.niliu-runtime-wrapper.mode-card {
    padding: 10px 0;
}

.niliu-runtime-wrapper.mode-card .niliu-runtime {
    display: inline-flex;
    align-items: stretch;
    justify-content: center;
    max-width: min(100%, 560px);
    padding: 7px;
    border: 1px solid var(--niliu-runtime-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, .48);
    box-shadow: 0 5px 18px rgba(20, 24, 32, .055);
    color: var(--niliu-runtime-text);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.niliu-runtime-wrapper.mode-card .niliu-runtime:hover {
    transform: translateY(-1px);
    border-color: rgba(91, 124, 250, .24);
    box-shadow: 0 7px 22px rgba(20, 24, 32, .075);
}

.niliu-runtime-wrapper.mode-card .runtime-label {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 10px 7px 6px;
    white-space: nowrap;
}

.niliu-runtime-wrapper.mode-card .runtime-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--niliu-runtime-accent-soft), rgba(91, 124, 250, .045));
    color: var(--niliu-runtime-accent);
    font-size: 12px;
}

.niliu-runtime-wrapper.mode-card .runtime-prefix {
    font-size: 11.5px;
    font-weight: 600;
    opacity: .86;
}

.niliu-runtime-wrapper.mode-card .runtime-value {
    display: inline-flex;
    align-items: stretch;
    gap: 5px;
    padding: 0;
}

.niliu-runtime-wrapper.mode-card .runtime-segment {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    padding: 5px 8px;
    border: 1px solid rgba(120, 128, 142, .09);
    border-radius: 10px;
    background: var(--niliu-runtime-surface);
}

.niliu-runtime-wrapper.mode-card .runtime-num {
    font-size: 15px;
    line-height: 1.15;
    font-weight: 750;
}

.niliu-runtime-wrapper.mode-card .runtime-days {
    background: var(--niliu-runtime-accent-soft);
    border-color: rgba(91, 124, 250, .12);
}

.niliu-runtime-wrapper.mode-card .runtime-days .runtime-num {
    color: var(--niliu-runtime-accent);
    font-size: 16px;
}

.niliu-runtime-wrapper.mode-card .runtime-unit {
    margin-top: 2px;
    font-size: 9px;
    line-height: 1;
    opacity: .55;
}

.niliu-runtime-wrapper.mode-card .runtime-colon {
    display: none;
}

.niliu-runtime-wrapper.mode-card .runtime-suffix {
    display: inline-flex;
    align-items: center;
    padding: 0 8px;
    font-size: 10.5px;
    opacity: .6;
    white-space: nowrap;
}

/* 秒数仍可实时更新，但不再做每秒位移动画，避免页脚持续闪动。 */
.niliu-runtime[data-dynamic="1"] .runtime-seconds .runtime-num {
    font-variant-numeric: tabular-nums;
}

body.dark-theme .niliu-runtime-wrapper,
[data-theme="dark"] .niliu-runtime-wrapper,
.theme-dark .niliu-runtime-wrapper {
    --niliu-runtime-border: rgba(255, 255, 255, .10);
    --niliu-runtime-surface: rgba(255, 255, 255, .045);
    --niliu-runtime-accent-soft: rgba(124, 150, 255, .12);
}

body.dark-theme .niliu-runtime-wrapper.mode-card .niliu-runtime,
[data-theme="dark"] .niliu-runtime-wrapper.mode-card .niliu-runtime,
.theme-dark .niliu-runtime-wrapper.mode-card .niliu-runtime {
    background: rgba(255, 255, 255, .035);
    box-shadow: none;
}

@media (max-width: 640px) {
    .niliu-runtime-wrapper {
        padding-left: 8px;
        padding-right: 8px;
    }

    .niliu-runtime-wrapper.mode-inline .niliu-runtime,
    .niliu-runtime-wrapper.mode-badge .niliu-runtime {
        row-gap: 4px;
    }

    .niliu-runtime-wrapper.mode-badge .niliu-runtime {
        padding-right: 10px;
    }

    .niliu-runtime-wrapper.mode-card .niliu-runtime {
        width: 100%;
        max-width: 390px;
        flex-wrap: wrap;
        align-items: center;
        gap: 5px;
        padding: 7px;
    }

    .niliu-runtime-wrapper.mode-card .runtime-label {
        width: 100%;
        justify-content: center;
        padding: 3px 6px 5px;
    }

    .niliu-runtime-wrapper.mode-card .runtime-value {
        flex: 1 1 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .niliu-runtime-wrapper.mode-card .runtime-segment {
        min-width: 54px;
        flex: 1 1 54px;
        max-width: 76px;
    }

    .niliu-runtime-wrapper.mode-card .runtime-suffix {
        width: 100%;
        justify-content: center;
        padding: 2px 4px 0;
    }
}

@media (max-width: 390px) {
    .niliu-runtime-wrapper.mode-inline .runtime-prefix,
    .niliu-runtime-wrapper.mode-badge .runtime-prefix {
        flex-basis: auto;
    }

    .niliu-runtime-wrapper.mode-card .runtime-segment {
        min-width: 48px;
        padding-left: 6px;
        padding-right: 6px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .niliu-runtime-wrapper.mode-badge .niliu-runtime,
    .niliu-runtime-wrapper.mode-card .niliu-runtime {
        transition: none;
    }

    .niliu-runtime-wrapper.mode-badge .niliu-runtime:hover,
    .niliu-runtime-wrapper.mode-card .niliu-runtime:hover {
        transform: none;
    }
}