/* ---------- Apple-inspired frontend palette ---------- */
:root {
    color-scheme: light;

    /* 主色:Bootstrap success 绿 */
    --bs-primary: #198754;
    --bs-primary-rgb: 25, 135, 84;
    --bs-primary-text-emphasis: #146c43;
    --bs-primary-bg-subtle: #d1e7dd;
    --bs-primary-border-subtle: #a3cfbb;

    /* 超链接 */
    --bs-link-color: #198754;
    --bs-link-color-rgb: 25, 135, 84;
    --bs-link-hover-color: #146c43;
    --bs-link-hover-color-rgb: 20, 108, 67;

    /* 页面与文字(带一点绿调的中性灰,和主色更协调) */
    --bs-body-bg: #f4f7f5;
    --bs-body-bg-rgb: 244, 247, 245;
    --bs-body-color: #1b1f1d;
    --bs-body-color-rgb: 27, 31, 29;
    --bs-emphasis-color: #1b1f1d;
    --bs-emphasis-color-rgb: 27, 31, 29;
    --bs-secondary-color: #5f6b65;
    --bs-secondary-color-rgb: 95, 107, 101;
    --bs-secondary-bg: #e9eeeb;
    --bs-secondary-bg-rgb: 233, 238, 235;
    --bs-tertiary-bg: #e3e9e5;
    --bs-tertiary-bg-rgb: 227, 233, 229;
    --bs-border-color: #d3dbd6;
    --bs-border-color-translucent: rgba(27, 31, 29, .12);

    /* 站点自定义 */
    --site-surface: #fff;
    --site-nav-bg: rgba(255, 255, 255, .92);
    --site-nav-color: #3d4541;
    --site-nav-hover-color: #198754;
    --site-nav-hover-bg: rgba(25, 135, 84, .08);
    --site-nav-border-color: rgba(27, 31, 29, .12);
    --site-primary-gradient: linear-gradient(135deg, #146c43, #198754);
    --site-primary-active: #146c43;
    --site-on-primary: #fff;

    /* 组件联动(深色模式直接继承) */
    --bs-list-group-active-bg: var(--bs-primary);
    --bs-list-group-active-border-color: var(--bs-primary);
    --bs-nav-pills-link-active-bg: var(--bs-primary);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, .06), 0 12px 32px rgba(0, 0, 0, .04);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, .08), 0 20px 48px rgba(0, 0, 0, .05);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, .12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
}

[data-bs-theme="dark"] {
    color-scheme: dark;

    --bs-primary: #198754;
    --bs-primary-rgb: 25, 135, 84;
    --bs-primary-text-emphasis: #75b798;
    --bs-primary-bg-subtle: #0f2a1d;
    --bs-primary-border-subtle: #0f5132;

    --bs-link-color: #75b798;
    --bs-link-color-rgb: 117, 183, 152;
    --bs-link-hover-color: #a3cfbb;
    --bs-link-hover-color-rgb: 163, 207, 187;

    --bs-body-bg: #0b0f0d;
    --bs-body-bg-rgb: 11, 15, 13;
    --bs-body-color: #f2f5f3;
    --bs-body-color-rgb: 242, 245, 243;
    --bs-emphasis-color: #fff;
    --bs-emphasis-color-rgb: 255, 255, 255;
    --bs-secondary-color: #9aa59f;
    --bs-secondary-color-rgb: 154, 165, 159;
    --bs-secondary-bg: #151a17;
    --bs-secondary-bg-rgb: 21, 26, 23;
    --bs-tertiary-bg: #1f2622;
    --bs-tertiary-bg-rgb: 31, 38, 34;
    --bs-border-color: #2f3833;
    --bs-border-color-translucent: rgba(242, 245, 243, .16);

    --site-surface: #151a17;
    /* 深色模式:导航栏使用 bg-success */
    --site-nav-bg: rgba(25, 135, 84, .96);
    --site-nav-color: #fff;
    --site-nav-hover-color: #fff;
    --site-nav-hover-bg: rgba(255, 255, 255, .14);
    --site-nav-border-color: rgba(0, 0, 0, .25);
    --site-primary-active: #157347;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .28);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .28);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, .36);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, .48);
}
/* ---------- Global Layout ---------- */
.min-width-0 {
    min-width: 0;
}
main > .container {
    padding: 92px 15px 38px;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.not-set {
    color: var(--bs-danger);
    font-style: italic;
}

/* Gridview sort icons */
a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}
a.asc:after {
    border-bottom: solid 7px var(--bs-body-color);
    border-top-width: 0;
}
a.desc:after {
    border-top: solid 7px var(--bs-body-color);
    border-bottom-width: 0;
}

.grid-view th { white-space: nowrap; }

.hint-block {
    display: block;
    margin-top: 5px;
    color: var(--bs-secondary-color);
}

.error-summary {
    color: var(--bs-danger-text-emphasis);
    background: var(--bs-danger-bg-subtle);
    border-left: 3px solid var(--bs-danger-border-subtle);
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* Navbar alignment */
.navbar > .container,
.navbar > .container-fluid { align-items: baseline; }

.navbar-nav .nav-link.logout { color: var(--bs-navbar-color);}
@media (max-width: 767.98px) {
    .navbar-nav .nav-link.logout {
        display: block;
        text-align: left;
        width: 100%;
        padding: 10px 0;
    }
}
.navbar-nav .nav-link.logout:focus,
.navbar-nav .nav-link.logout:hover { color: var(--bs-navbar-hover-color); }

/* Footer logo swap */
.footer-logo-dark { display: none; }
[data-bs-theme="dark"] .footer-logo-light { display: none; }
[data-bs-theme="dark"] .footer-logo-dark  { display: inline-block; }

/* ---------- Buttons ---------- */
.btn-yii {
    background: var(--site-primary-gradient);
    border: none;
    font-weight: 600;
    letter-spacing: .02em;
    transition: opacity .2s, transform .1s;
}
.btn-yii:hover { opacity: .9; transform: translateY(-1px); }
.btn-yii:active { transform: translateY(0); }

.btn-primary, .login-btn, .btn-yii {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    color: var(--site-on-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary-border-subtle);
    --bs-btn-hover-bg: var(--bs-primary);
    --bs-btn-hover-border-color: var(--bs-primary);
    --bs-btn-active-bg: var(--bs-primary-text-emphasis);
    --bs-btn-active-border-color: var(--bs-primary-text-emphasis);
}

[data-bs-theme="dark"] .btn-outline-primary {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary-border-subtle);
    --bs-btn-hover-color: var(--site-on-primary);
}

.btn {
    transition: color .15s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

/* ---------- Forms ---------- */
.form-card .input-group {
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}
.form-card .input-group .input-group-text {
    background: var(--bs-body-bg);
    border: 0;
    padding-left: 1rem;
    padding-right: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.form-card .input-group .form-control { border: 0; }
.form-card .input-group .form-control:focus { box-shadow: none; }
.form-card .input-group:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .25);
}

@supports selector(.input-group:has(.is-invalid)) {
    .form-card .input-group:has(.is-invalid) ~ .invalid-feedback {
        display: block; margin-top: .35rem; margin-bottom: .5rem;
    }
    .form-card .input-group:has(.is-invalid) { border-color: var(--bs-danger); }
    .form-card .input-group:has(.is-invalid):focus-within {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}
@supports not selector(.input-group:has(.is-invalid)) {
    .form-card .invalid-feedback:not(:empty) {
        display: block; margin-top: .35rem; margin-bottom: .5rem;
    }
    .form-card .input-group .form-control.is-invalid {
        border: var(--bs-border-width) solid var(--bs-danger);
    }
    .form-card .input-group .form-control.is-invalid:focus {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

.login-split-card .input-group {
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}
.login-split-card .input-group .input-group-text {
    background: transparent; border: 0;
    padding-left: 1rem; padding-right: .75rem;
    display: flex; align-items: center; justify-content: center;
}
.login-split-card .input-group .form-control { border: 0; background: transparent; }
.login-split-card .input-group .form-control:focus { box-shadow: none; }
.login-split-card .input-group:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .25);
}

@supports selector(.input-group:has(.is-invalid)) {
    .login-split-card .input-group:has(.is-invalid) ~ .invalid-feedback {
        display: block; margin-top: .35rem; margin-bottom: .5rem;
    }
    .login-split-card .input-group:has(.is-invalid) { border-color: var(--bs-danger); }
    .login-split-card .input-group:has(.is-invalid):focus-within {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}
@supports not selector(.input-group:has(.is-invalid)) {
    .login-split-card .invalid-feedback:not(:empty) {
        display: block; margin-top: .35rem; margin-bottom: .5rem;
    }
    .login-split-card .input-group .form-control.is-invalid {
        border: var(--bs-border-width) solid var(--bs-danger);
    }
    .login-split-card .input-group .form-control.is-invalid:focus {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

.form-control:focus, .form-select:focus {
    border-color: rgba(var(--bs-primary-rgb), .65);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .16);
}
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }

.site-contact textarea.form-control { height: 140px; }

/* Captcha */
.site-contact img[src*="captcha"] {
    border-radius: var(--bs-border-radius);
    mix-blend-mode: multiply;
}
[data-bs-theme="dark"] .site-contact img[src*="captcha"] {
    mix-blend-mode: screen;
    filter: invert(1) hue-rotate(180deg);
}

/* ---------- Cards ---------- */
.card {
    --bs-card-border-color: var(--bs-border-color);
    border-radius: var(--radius-md);
}

.form-card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
[data-bs-theme="dark"] .form-card {
    box-shadow: 0 0 0 1px var(--bs-border-color), var(--shadow-md);
}
.form-card,
.login-split-card { background: var(--site-surface); }
.extension-card {
    transition: transform .15s ease-in-out, box-shadow .15s ease-in-out;
}
.extension-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg) !important;
}
.extension-icon { font-size: 1.5rem; line-height: 1; }

[data-bs-theme="dark"] .extension-card {
    background-color: var(--site-surface);
    box-shadow: 0 0 0 1px var(--bs-border-color), var(--shadow-sm);
}
[data-bs-theme="dark"] .extension-card:hover {
    box-shadow: 0 0 0 1px var(--bs-border-color), var(--shadow-lg) !important;
}

/* ---------- Login ---------- */
.login-split-card {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background-color: var(--site-surface);
    width: 100%; max-width: 900px;
}
.login-split-card-wide { max-width: 960px; }

.login-brand-title { font-size: 1.75rem; line-height: 1.3; }
.login-brand-text { font-size: .9rem; }

.login-brand-panel {
    background: var(--site-primary-gradient);
    position: relative; min-height: 480px;
}
.login-brand-panel::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 18% 80%, rgba(255, 255, 255, .18), transparent 48%),
        radial-gradient(circle at 82% 18%, rgba(10, 132, 255, .2), transparent 42%);
    pointer-events: none;
}

.login-btn {
    background: var(--site-primary-gradient);
    border: none; font-weight: 600; letter-spacing: .02em;
    transition: opacity .2s, transform .1s;
}
.login-btn:hover { opacity: .9; transform: translateY(-1px); }
.login-btn:active { transform: translateY(0); }

[data-bs-theme="dark"] .login-split-card {
    background-color: var(--site-surface);
    box-shadow: 0 0 0 1px var(--bs-border-color), var(--shadow-lg);
}
[data-bs-theme="dark"] .login-mobile-logo { filter: invert(1); }

/* ---------- Hero Banner ---------- */
.hero-banner {
    background: var(--site-primary-gradient);
    position: relative;
}
.hero-lead { max-width: 520px; }
.hero-logo {
    height: 120px; opacity: .45;
    right: 2.5rem; top: 50%; transform: translateY(-50%);
}
.hero-banner::before {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background:
        radial-gradient(circle at 15% 85%, rgba(255, 255, 255, .18) 0%, transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(100, 181, 255, .22) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 102, 204, .12) 0%, transparent 60%);
    pointer-events: none;
}
/* ---------- Rich Content ---------- */
.rich-content {
    overflow-wrap: anywhere;
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.85;
}
.rich-content > :first-child { margin-top: 0; }
.rich-content > :last-child { margin-bottom: 0; }
.rich-content h2,
.rich-content h3 { margin-top: 1.6em; margin-bottom: .65em; line-height: 1.35; }
.rich-content blockquote {
    margin: 1.25rem 0; padding: .25rem 1rem;
    border-left: .25rem solid var(--bs-primary);
    color: var(--bs-secondary-color);
}
.rich-content img,
.rich-content video { max-width: 100%; height: auto; }
.rich-content a { overflow-wrap: anywhere; }
/* 详情页正文沿用中文排版：段落首行缩进两个汉字，纯图片/视频块不缩进。 */
.content-view .rich-content > p,
.content-view .rich-content > div { text-indent: 2em; }
.content-view .rich-content > p:has(img, video),
.content-view .rich-content > div:has(img, video) { text-indent: 0; }

/* ---------- Navbar Warm ---------- */
html { scroll-padding-top: 5rem; }

body {
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}

.navbar-warm {
    --bs-navbar-color: var(--site-nav-color);
    --bs-navbar-hover-color: var(--site-nav-hover-color);
    --bs-navbar-active-color: var(--site-nav-hover-color);
    --bs-navbar-brand-color: var(--bs-body-color);
    --bs-navbar-brand-hover-color: var(--site-nav-hover-color);
    background: var(--site-nav-bg);
    border-bottom: 1px solid var(--site-nav-border-color);
    box-shadow: var(--shadow-sm);
}

/* ---------- Exhibition Homepage ---------- */

.home-layout {
    display: flex; align-items: flex-start; gap: 1.5rem;
    width: min(100%, 1040px); margin: 0 auto;
}
.home-feed { flex: 1 1 auto; min-width: 0; }
.home-feed-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
    gap: 1.25rem;
}
.home-feed-card {
    min-width: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.home-feed-card:hover {
    border-color: var(--bs-primary-border-subtle);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.home-feed-card .card-body { display: flex; min-width: 0; flex-direction: column; }
.home-feed-card-header { min-width: 0; }
.home-feed-card-title { letter-spacing: -.025em; line-height: 1.4; }
.home-feed-card-title a { color: inherit; text-decoration: none; }
.home-feed-card-title a:hover { color: var(--bs-link-hover-color); }
.home-feed-meta { display: flex; align-items: center; gap: .4rem; font-size: .8rem; }
/* 浏览数只有图标加数字，颜色一律继承所在行，所以详情页 meta、卡片时间行、视频 chip 都能直接放。 */
.view-count {
    display: inline-flex; align-items: center; gap: .28rem;
    font-variant-numeric: tabular-nums; white-space: nowrap;
}
.home-feed-card-footer {
    margin-top: 1rem; padding-top: .85rem;
    border-top: 1px solid var(--bs-border-color-translucent);
}
.home-feed-hashtag { color: var(--bs-primary); font-weight: 600; text-decoration: none; }
.home-feed-hashtag:hover { color: var(--bs-link-hover-color); text-decoration: underline; }
.home-feed-readmore {
    display: inline-flex; align-items: center; gap: .25rem;
    color: var(--bs-secondary-color); font-size: .85rem; font-weight: 600;
}
.home-feed-readmore:hover { color: var(--bs-primary); }
.home-feed-type {
    padding: .3rem .6rem; border-radius: 999px;
    color: var(--bs-primary-text-emphasis);
    background: var(--bs-primary-bg-subtle);
    font-size: .75rem; font-weight: 700; white-space: nowrap;
}
.home-feed-avatar {
    display: block; width: 2.75rem; height: 2.75rem;
    flex: 0 0 2.75rem; border-radius: 50%;
    object-fit: cover; background: var(--bs-primary-bg-subtle);
}
.home-feed-avatar-fallback {
    display: grid; place-items: center;
    color: var(--bs-primary); background: var(--bs-primary-bg-subtle);
    font-size: 1.05rem; font-weight: 700;
}
.home-feed-author {
    min-width: 0; color: var(--bs-body-color);
    font-size: .95rem; font-weight: 700;
}
.home-feed-author-link { color: inherit; text-decoration: none; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.home-feed-author-link:hover { color: var(--bs-link-hover-color); }
.home-feed-title {
    color: var(--bs-body-color); text-decoration: none;
    overflow-wrap: anywhere;
}
.home-feed-title:hover, .home-feed-more:hover { color: var(--bs-link-hover-color); }
.home-feed-preview {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 3;
    line-height: 1.7;
}
/* 信息流正文按微博样式折叠：默认 5 行、底部渐隐，开关只在脚本测出确实超行后才出现（无 JS 时正文完整展示）。
   动态条目始终整段折叠；博客条目在没有封面时用同一套折叠展示整段正文。 */
.home-feed-collapse { min-width: 0; }
.home-feed-collapse-text {
    margin: 0; color: var(--bs-body-color);
    font-size: .95rem; line-height: 1.75;
    white-space: pre-line; overflow-wrap: anywhere;
}
.home-feed-collapse.is-measuring .home-feed-collapse-text,
.home-feed-collapse.is-collapsible:not(.is-expanded) .home-feed-collapse-text {
    /* 5 行 = line-height 1.75 * 5，用 max-height 而不是 line-clamp，免得截断处多出孤零零的省略号。 */
    max-height: 8.75em; overflow: hidden;
    -webkit-mask-image: linear-gradient(180deg, #000 76%, transparent 99%);
    mask-image: linear-gradient(180deg, #000 76%, transparent 99%);
}
.home-feed-toggle {
    display: none; align-items: center; gap: .2rem;
    margin-top: .1rem; padding: .1rem .3rem; border: 0; border-radius: var(--radius-sm);
    background: none; color: var(--bs-secondary-color);
    font-size: .82rem; font-weight: 600; cursor: pointer;
}
.home-feed-collapse.is-collapsible .home-feed-toggle { display: flex; width: 100%; justify-content: flex-end; }
.home-feed-toggle:hover { color: var(--bs-primary); }
.home-feed-toggle:focus-visible { outline: 2px solid rgba(var(--bs-primary-rgb), .7); outline-offset: 2px; }
.home-feed-toggle i { transition: transform .18s ease; }
.home-feed-toggle.is-expanded i { transform: rotate(180deg); }
.home-feed-images {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
}
.home-feed-media { min-width: 0; }
.home-feed-blog-cover {
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--bs-tertiary-bg);
}
.home-feed-blog-cover img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 24rem;
    object-fit: cover;
}
.home-feed-images img {
    width: 100%; aspect-ratio: 1; object-fit: cover;
    border-radius: var(--radius-sm); background: var(--bs-tertiary-bg);
}
.home-feed-video {
    display: block; width: 100%; max-height: 28rem;
    border-radius: var(--radius-md); background: #111;
}
.home-feed-more {
    color: var(--bs-primary); font-size: .875rem;
    font-weight: 600; text-decoration: none;
}
.home-feed-status { min-height: 3.5rem; }
.home-feed-retry { cursor: pointer; color: var(--bs-primary); text-decoration: underline; }

/* ---------- Homepage Rail (narrow sidebar) ---------- */
.home-rail { display: none; flex: 0 0 12rem; width: 12rem; flex-direction: column; gap: .75rem; }
@media (min-width: 992px) {
    .home-rail {
        display: flex; position: sticky; top: 5.25rem;
        max-height: calc(100vh - 6.75rem); overflow: hidden auto;
        overscroll-behavior: contain; scrollbar-width: thin;
    }
}

.home-rail-card {
    padding: .6rem; border: 1px solid var(--bs-border-color-translucent);
    border-radius: var(--radius-md);
    background: var(--site-surface); box-shadow: var(--shadow-sm);
}
.home-rail-user { display: flex; flex-direction: column; align-items: center; gap: .2rem; text-align: center; }
.home-rail-avatar {
    display: block; width: 2.5rem; height: 2.5rem; flex: 0 0 2.5rem;
    border-radius: 50%; object-fit: cover; background: var(--bs-primary-bg-subtle);
}
.home-rail-avatar-fallback {
    display: grid; place-items: center;
    color: var(--site-on-primary); background: var(--site-primary-gradient);
    font-size: 1.05rem; font-weight: 700;
}
.home-rail-name { display: block; max-width: 100%; font-size: .85rem; font-weight: 700; }
.home-rail-user-text {
    display: flex; flex-direction: column; align-items: center; max-width: 100%;
    font-size: .78rem; line-height: 1.4;
}
.home-rail-btn {
    display: block; padding: .3rem .5rem; border-radius: var(--radius-sm);
    color: var(--bs-secondary-color); background: var(--bs-tertiary-bg);
    font-size: .78rem; font-weight: 600; text-align: center; text-decoration: none;
}
.home-rail-btn:hover { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); }

.home-rail-heading {
    margin: .1rem 0 .4rem; padding: 0 .35rem;
    color: var(--bs-secondary-color); font-size: .72rem; font-weight: 700; letter-spacing: .06em;
}
.home-rail-heading-note { margin-left: .35rem; font-weight: 500; letter-spacing: 0; opacity: .7; }
.home-rail-list { display: flex; flex-direction: column; gap: .1rem; margin: 0; padding: 0; list-style: none; }
.home-rail-link {
    display: flex; align-items: center; gap: .4rem;
    padding: .32rem .4rem; border-radius: var(--radius-sm);
    color: var(--bs-body-color); font-size: .8rem; text-decoration: none;
}
.home-rail-link:hover { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); }
.home-rail-link.active { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); font-weight: 600; }
.home-rail-label { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.home-rail-count { flex: 0 0 auto; color: var(--bs-secondary-color); font-size: .7rem; }

[data-bs-theme="dark"] .home-feed-card:hover { box-shadow: var(--shadow-lg); }
/* ---------- Moment Feed (Weibo-style) ---------- */
.moment-tabs {
    display: flex; gap: .25rem; overflow-x: auto;
    padding-bottom: .25rem; scrollbar-width: none;
}
.moment-tabs::-webkit-scrollbar { display: none; }
.moment-tab {
    flex: 0 0 auto; padding: .4rem .9rem;
    border-radius: 999px; color: var(--bs-secondary-color);
    font-size: .9rem; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: background-color .15s ease, color .15s ease;
}
.moment-tab:hover { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); }
.moment-tab.active { color: var(--site-on-primary); background: var(--bs-primary); }
.moment-tab-count { margin-left: .2rem; font-size: .72rem; opacity: .75; }

.moment-composer-input {
    display: flex; align-items: center; min-width: 0;
    min-height: 2.6rem; padding: .55rem 1rem;
    border-radius: 999px; background: var(--bs-tertiary-bg);
    color: var(--bs-secondary-color); font-size: .95rem;
    text-decoration: none;
}
.moment-composer-input:hover { color: var(--bs-body-color); background: var(--bs-secondary-bg); }
.moment-composer-actions a {
    color: var(--bs-secondary-color); font-size: .85rem;
    font-weight: 600; text-decoration: none;
}
.moment-composer-actions a:hover { color: var(--bs-primary); }

.moment-side-card { border-radius: var(--radius-lg); overflow: hidden; }
.moment-side-heading {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    background: transparent; color: var(--bs-emphasis-color);
    font-size: .95rem; font-weight: 700;
}

.moment-avatar {
    display: block; width: 2.75rem; height: 2.75rem;
    flex: 0 0 2.75rem; border-radius: 50%;
    object-fit: cover; background: var(--bs-primary-bg-subtle);
}
.moment-avatar-fallback {
    display: grid; place-items: center;
    color: var(--site-on-primary); background: var(--site-primary-gradient);
    font-size: 1.05rem; font-weight: 700;
}
.moment-avatar-lg { width: 4rem; height: 4rem; flex: 0 0 4rem; font-size: 1.4rem; }
.moment-profile-cover { height: 5rem; background: var(--bs-primary-bg-subtle); }
.moment-profile-body .moment-avatar-lg { margin: -2.25rem auto 0; border: 3px solid var(--bs-body-bg); }

.moment-nav .list-group-item {
    display: flex; align-items: center; gap: .1rem;
    padding: .65rem 1rem; border: 0;
    background: transparent; color: var(--bs-body-color);
    font-size: .9rem; text-decoration: none;
}
.moment-nav .list-group-item:hover { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); }
.moment-nav .list-group-item.active { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); font-weight: 600; }
.moment-nav .moment-nav-count { margin-left: auto; color: var(--bs-secondary-color); font-size: .75rem; }

.moment-card {
    border-radius: var(--radius-lg);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.moment-card:hover { border-color: var(--bs-primary-border-subtle); box-shadow: var(--shadow-lg); }
.moment-author { font-size: .95rem; font-weight: 700; }
.moment-more { color: var(--bs-secondary-color); font-size: 1.1rem; line-height: 1; text-decoration: none; }
.moment-more:hover { color: var(--bs-primary); }
.moment-meta-link { color: var(--bs-secondary-color); text-decoration: none; }
.moment-meta-link:hover { color: var(--bs-primary); text-decoration: underline; }
.moment-card-text { line-height: 1.8; overflow-wrap: anywhere; }
.moment-card-text.is-clamped { max-height: 9.5em; overflow: hidden; }
.moment-card-text > :last-child { margin-bottom: 0; }
.moment-card-text blockquote {
    padding-left: .9rem; border-left: 3px solid var(--bs-primary-border-subtle);
    color: var(--bs-secondary-color);
}
.moment-hashtag { color: var(--bs-primary); font-weight: 600; text-decoration: none; }
.moment-hashtag:hover { color: var(--bs-link-hover-color); text-decoration: underline; }
.mention-link { color: var(--bs-primary); font-weight: 600; text-decoration: none; }
.mention-link:hover { color: var(--bs-link-hover-color); text-decoration: underline; }
.moment-expand { color: var(--bs-primary); font-size: .85rem; font-weight: 600; text-decoration: none; }
.moment-expand:hover { color: var(--bs-link-hover-color); }

.moment-images { display: grid; gap: .5rem; margin-top: .75rem; }
.moment-image { display: block; min-width: 0; }
.moment-images img {
    display: block; width: 100%; aspect-ratio: 1;
    object-fit: cover; border-radius: var(--radius-sm);
    background: var(--bs-tertiary-bg);
}
.moment-images[data-count="1"] { grid-template-columns: minmax(0, 24rem); }
.moment-images[data-count="1"] img,
.moment-images[data-count="2"] img { aspect-ratio: 4 / 3; }
.moment-images[data-count="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.moment-images[data-count="3"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.moment-images[data-count="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 24rem; }
.moment-images[data-count="5"],
.moment-images[data-count="6"],
.moment-images[data-count="7"],
.moment-images[data-count="8"],
.moment-images[data-count="9"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.moment-tag {
    padding: .2rem .6rem; border-radius: 999px;
    color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle);
    font-size: .78rem; text-decoration: none;
}
.moment-tag:hover { color: var(--site-on-primary); background: var(--bs-primary); }
.moment-empty-icon {
    display: inline-grid; width: 3.5rem; height: 3.5rem;
    place-items: center; border-radius: 50%;
    color: var(--bs-primary); background: var(--bs-primary-bg-subtle);
    font-size: 1.5rem;
}
@media (max-width: 575.98px) {
    .moment-images[data-count="1"],
    .moment-images[data-count="4"] { max-width: none; }
    .moment-images[data-count="1"] { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Cover List (Category Browse) ---------- */
.cover-list-item {
    display: flex; flex-direction: column; gap: .75rem;
    height: 100%; padding: 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-lg);
    background: var(--bs-body-bg);
    color: inherit; text-decoration: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.cover-list-item:hover {
    color: inherit;
    border-color: var(--bs-primary-border-subtle);
    box-shadow: var(--shadow-lg);
}
.cover-list-cover {
    flex: none; width: 100%; height: auto;
    aspect-ratio: 1 / 1; object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--bs-tertiary-bg);
}
.cover-list-body {
    display: flex; flex-direction: column;
    flex: 1 1 auto; min-width: 0;
}
.cover-list-title {
    margin-bottom: .5rem; font-size: 1.1rem;
    font-weight: 700; overflow-wrap: anywhere;
}
.cover-list-summary {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 3;
    margin-bottom: 0; color: var(--bs-secondary-color);
    line-height: 1.7;
}
.cover-list-meta {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: .75rem; margin-top: auto; padding-top: 1rem;
    font-size: .85rem; color: var(--bs-tertiary-color);
}

/* ---------- Browse Page & Tags ---------- */
.browse-page { max-width: 1140px; margin: 0 auto; }
.browse-page .breadcrumb a { color: var(--bs-link-color); text-decoration: none; }
.browse-page .breadcrumb a:hover { color: var(--bs-link-hover-color); text-decoration: underline; }
.browse-page-title { font-size: 1.6rem; font-weight: 700; }

/* ---------- Category Channel Page ---------- */
.cate-hero {
    border-radius: 1rem; padding: 2rem;
    background-image: linear-gradient(120deg, #0f2e22, #198754 78%);
    background-size: cover; background-position: center;
    color: #fff;
}
.cate-hero-title { font-size: 1.9rem; font-weight: 800; letter-spacing: .01em; }
.cate-hero-desc { max-width: 640px; font-size: .95rem; line-height: 1.7; color: rgba(255, 255, 255, .82); }
.cate-hero-stat { font-size: .85rem; color: rgba(255, 255, 255, .7); }
.cate-hero-stat b { font-size: 1.05rem; font-weight: 700; color: #fff; }
.browse-page .cate-hero + .breadcrumb a,
.cate-hero .breadcrumb-item, .cate-hero .breadcrumb-item a { color: rgba(255, 255, 255, .75); }

.cate-switcher { display: flex; gap: .5rem; overflow-x: auto; padding-bottom: .35rem; scrollbar-width: thin; }
.cate-switch {
    flex: 0 0 auto; display: inline-flex; align-items: baseline; gap: .35rem;
    padding: .35rem .85rem; border-radius: 999px; text-decoration: none;
    border: 1px solid var(--bs-border-color); background: var(--site-surface);
    color: var(--bs-body-color); font-size: .875rem; white-space: nowrap;
}
.cate-switch small { color: var(--bs-secondary-color); font-size: .75rem; }
.cate-switch:hover { border-color: var(--bs-primary); color: var(--bs-link-color); }
.cate-switch.is-active { background: var(--bs-primary); border-color: var(--bs-primary); color: #fff; font-weight: 600; }
.cate-switch.is-active small { color: rgba(255, 255, 255, .75); }

.cate-featured-main, .cate-featured-mini {
    position: relative; display: flex; height: 100%;
    border-radius: .9rem; overflow: hidden; background: var(--site-surface);
    box-shadow: 0 1px 3px rgba(27, 31, 29, .07); text-decoration: none; color: var(--bs-body-color);
    transition: box-shadow .15s ease, transform .15s ease;
}
.cate-featured-main { flex-direction: column; }
.cate-featured-main:hover, .cate-featured-mini:hover { box-shadow: var(--shadow-lg, 0 .5rem 1.25rem rgba(27, 31, 29, .14)); transform: translateY(-2px); color: var(--bs-body-color); }
.cate-featured-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.cate-featured-body { display: flex; flex-direction: column; gap: .5rem; padding: 1.1rem 1.25rem 1.35rem; }
.cate-featured-title { font-size: 1.3rem; font-weight: 700; line-height: 1.45; overflow-wrap: anywhere; }
.cate-featured-summary { color: var(--bs-secondary-color); line-height: 1.7; }
.cate-featured-meta { font-size: .82rem; color: var(--bs-tertiary-color); }
.cate-featured-mini { align-items: center; gap: .85rem; padding: .7rem .9rem; }
.cate-featured-side { display: flex; flex-direction: column; gap: .9rem; height: 100%; }
.cate-featured-side .cate-featured-mini { flex: 1; }
.cate-featured-mini-cover { flex: 0 0 auto; width: 5.5rem; aspect-ratio: 16 / 9; object-fit: cover; border-radius: .5rem; }
.cate-featured-mini-body { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.cate-featured-mini-title { font-size: .92rem; font-weight: 600; line-height: 1.5; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
@media (max-width: 991.98px) {
    .cate-featured-main { height: auto; }
    .cate-featured-side { height: auto; }
    .cate-featured-side .cate-featured-mini { flex: none; }
}

.cate-overview-card {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    padding: 1.1rem 1.25rem; border-radius: .9rem; height: 100%;
    background: var(--site-surface); border: 1px solid var(--bs-border-color);
    text-decoration: none; color: var(--bs-body-color);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.cate-overview-card:hover { border-color: var(--bs-primary); box-shadow: 0 1px 3px rgba(27, 31, 29, .07); color: var(--bs-body-color); }
.cate-overview-name { font-weight: 700; }
.cate-overview-count { font-size: .82rem; color: var(--bs-secondary-color); white-space: nowrap; }

/* 标签云：--w 是内容量权重（0~1），只管字号；颜色走 .tag-c1 ~ .tag-c15 的固定色相分配。
   旧站那 15 档色号被重新调过饱和度与明度，绿色系占一半以上，才压得住站点的 emerald 主色。 */
.tag-cloud { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem .5rem; margin-bottom: 1.75rem; }

.tag-c1 { --h: 120; --s: 45%; --l: 29%; }
.tag-c2 { --h: 310; --s: 38%; --l: 36%; }
.tag-c3 { --h: 268; --s: 32%; --l: 42%; }
.tag-c4 { --h: 145; --s: 50%; --l: 29%; }
.tag-c5 { --h: 26; --s: 70%; --l: 37%; }
.tag-c6 { --h: 205; --s: 45%; --l: 38%; }
.tag-c7 { --h: 336; --s: 48%; --l: 42%; }
.tag-c8 { --h: 168; --s: 55%; --l: 27%; }
.tag-c9 { --h: 192; --s: 50%; --l: 32%; }
.tag-c10 { --h: 352; --s: 62%; --l: 42%; }
.tag-c11 { --h: 318; --s: 45%; --l: 42%; }
.tag-c12 { --h: 92; --s: 40%; --l: 28%; }
.tag-c13 { --h: 156; --s: 50%; --l: 26%; }
.tag-c14 { --h: 60; --s: 45%; --l: 26%; }
.tag-c15 { --h: 44; --s: 55%; --l: 31%; }

.tag-cloud-item {
    display: inline-flex; align-items: baseline; gap: .3rem;
    padding: .22rem .72rem; border: 1px solid hsl(var(--h, 150) var(--s, 40%) var(--l, 34%) / .26);
    border-radius: 999px;
    color: hsl(var(--h, 150) calc(var(--s, 40%) + 10%) calc(var(--l, 34%) - 2%));
    background-color: hsl(var(--h, 150) var(--s, 40%) var(--l, 34%) / calc(.06 + var(--w, .4) * .08));
    font-size: calc(.76rem + var(--w, .4) * .6rem);
    font-weight: 600; line-height: 1.45; text-decoration: none; white-space: nowrap;
    animation: tag-cloud-in .42s cubic-bezier(.22, .68, .36, 1) backwards;
    animation-delay: calc(var(--i, 0) * 22ms);
    transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.tag-cloud-item:hover {
    transform: translateY(-2px) scale(1.06);
    border-color: transparent;
    background-color: hsl(var(--h, 150) var(--s, 40%) calc(var(--l, 34%) + 3%));
    box-shadow: var(--shadow-sm);
    color: #fff;
}

.tag-cloud-item:focus-visible {
    outline: 2px solid hsl(var(--h, 150) var(--s, 40%) calc(var(--l, 34%) + 12%));
    outline-offset: 2px;
}

.tag-cloud-count { font-size: .68rem; font-weight: 700; opacity: .55; transition: opacity .18s ease; }
.tag-cloud-item:hover .tag-cloud-count { opacity: .9; }

/* 当前标签：实心同色 + 同色光环，比原来统一的绿底更容易在彩色里认出自己点的那颗。 */
.tag-cloud-item.active {
    border-color: transparent;
    background-color: hsl(var(--h, 150) var(--s, 40%) var(--l, 34%));
    box-shadow: 0 0 0 3px hsl(var(--h, 150) var(--s, 40%) var(--l, 34%) / .28);
    color: #fff;
}

.tag-cloud-item.active .tag-cloud-count { opacity: .85; }

[data-bs-theme="dark"] .tag-cloud-item {
    border-color: hsl(var(--h, 150) var(--s, 40%) calc(var(--l, 34%) + 22%) / .34);
    color: hsl(var(--h, 150) calc(var(--s, 40%) + 14%) calc(var(--l, 34%) + 34%));
    background-color: hsl(var(--h, 150) calc(var(--s, 40%) - 6%) calc(var(--l, 34%) + 8%) / calc(.13 + var(--w, .4) * .09));
}

@keyframes tag-cloud-in {
    from { opacity: 0; transform: translateY(.45rem) scale(.84); }
}
@media (prefers-reduced-motion: reduce) {
    .tag-cloud-item { animation: none; transition: none; }
    .tag-cloud-item:hover { transform: none; }
}
/* ---------- Manage Sidebar ---------- */
.manage-sidebar { overflow: hidden; }
.manage-sidebar-heading {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    background: var(--bs-primary-bg-subtle);
}
.manage-sidebar-heading strong {
    color: var(--bs-emphasis-color); font-size: 1.05rem;
}
.manage-nav { display: grid; gap: .25rem; padding: .7rem; }
.manage-nav-item {
    display: flex; align-items: center; gap: .75rem;
    padding: .8rem .75rem; border-radius: var(--radius-md);
    color: var(--bs-body-color); text-decoration: none;
    transition: background-color .15s ease, color .15s ease;
}
.manage-nav-item:hover, .manage-nav-item.active {
    color: var(--bs-primary-text-emphasis);
    background: var(--bs-primary-bg-subtle);
}
.manage-nav-item small { color: var(--bs-secondary-color); font-size: .75rem; }
.manage-nav-icon {
    display: grid; width: 1.8rem; height: 1.8rem;
    flex: 0 0 1.8rem; place-items: center;
    border-radius: var(--radius-sm);
    color: var(--bs-primary); background: var(--bs-primary-bg-subtle);
    font-size: 1rem; font-weight: 700;
}
.manage-sidebar-back {
    display: block; margin: .25rem 1.25rem 1.25rem;
    padding-top: 1rem; border-top: 1px solid var(--bs-border-color);
    color: var(--bs-secondary-color); font-size: .875rem;
    text-decoration: none;
}
.manage-sidebar-back:hover { color: var(--bs-primary); }

@media (max-width: 991.98px) {
    .manage-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 575.98px) {
    .manage-nav { grid-template-columns: 1fr; }
}

/* ---------- Content Management Table ---------- */
.content-management-table {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    background: var(--bs-body-bg);
    /* 原来是 overflow: hidden：列一宽就既不滚动又裁掉右边缘，操作列的按钮直接看不见。 */
    overflow: auto;
}
/* 中文可以逐字断行，列一窄就把「可见范围」「2026-11-04 10:38」竖排折断；除标题、简介两列外一律不折行，
   宽度不够时交给上面的 overflow: auto 横向滚动。 */
.content-management-table .table th,
.content-management-table .table td:not(.content-management-title):not(.content-management-bio) { white-space: nowrap; }
.content-management-title,
.content-management-bio { min-width: 220px; }
.content-management-title a { overflow-wrap: anywhere; }

.table-light {
    --bs-table-bg: var(--bs-tertiary-bg);
    --bs-table-color: var(--bs-body-color);
}

/* ---------- Rich Editor ---------- */
.rich-editor-wrap {
    border-color: var(--bs-border-color);
    border-radius: var(--radius-lg);
}
.rich-editor-toolbar,
.rich-editor-surface { border-color: var(--bs-border-color); }
.rich-editor-surface {
    background: var(--site-surface);
    color: var(--bs-body-color);
}

/* ---------- Footer Logo ---------- */
.footer-logo-light { opacity: .8; }

/* ---------- Grid & List Views ---------- */
.grid-view { width: 100%; }
.grid-view .table-responsive {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
}
.grid-view table { margin-bottom: 0; }

/* ---------- Account Flow ---------- */
.account-flow { width: min(100%, 700px); }

/* ---------- Card Shadow Override ---------- */
.card,
.content-management-table,
.rich-editor-wrap {
    border-color: var(--bs-border-color);
    border-radius: var(--radius-lg);
}
.card { box-shadow: var(--shadow-md); }
[data-bs-theme="dark"] .card {
    box-shadow: 0 0 0 1px var(--bs-border-color), var(--shadow-md);
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 575.98px) {
    main > .container { padding-right: 1rem; padding-left: 1rem; }
}
@media (max-width: 767.98px) {
.home-feed-list { gap: 1rem; }
}

/* ---------- Page Centering ---------- */
.site-login,
.site-signup,
.site-contact,
.site-request-password-reset,
.site-reset-password,
.site-resend-verification-email,
.site-index,
.site-error,
.site-about { flex: 1; }

.site-error .site-error-content,
.site-about .site-about-content {
    width: 100%; max-width: 90%;
}
@media (min-width: 576px) {
    .site-error .site-error-content,
    .site-about .site-about-content { max-width: 80%; }
}
@media (min-width: 768px) {
    .site-error .site-error-content,
    .site-about .site-about-content { max-width: 60%; }
}
@media (min-width: 992px) {
    .site-error .site-error-content,
    .site-about .site-about-content { max-width: 50%; }
}

/* ---------- Video Library (YouTube-style shelves) ---------- */
.video-shelf-section + .video-shelf-section { margin-top: 2.25rem; }
.video-shelf-title { display: flex; align-items: center; gap: .55rem; font-weight: 700; }
.video-shelf-icon {
    display: grid; place-items: center;
    width: 2rem; height: 2rem; flex: 0 0 2rem;
    border-radius: .65rem; color: var(--bs-primary-text-emphasis);
    background: var(--bs-primary-bg-subtle); font-size: 1rem;
}
.video-shelf-count { color: var(--bs-secondary-color); font-size: .8rem; font-weight: 600; }
.video-shelf-note { color: var(--bs-secondary-color); font-size: .78rem; }
.video-shelf {
    display: grid; grid-auto-flow: column;
    grid-auto-columns: clamp(14rem, 40%, 20rem);
    gap: 1rem;
    overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x proximity; scrollbar-width: none;
    padding: .25rem .25rem .9rem; margin: -.25rem -.25rem 0;
}
.video-shelf--vertical { grid-auto-columns: clamp(9rem, 24%, 12.5rem); }
.video-shelf::-webkit-scrollbar { display: none; }
.video-shelf > * { scroll-snap-align: start; }
.video-lib-card { min-width: 0; }
.video-lib-thumb {
    position: relative; display: block; overflow: hidden;
    aspect-ratio: 16 / 9; border-radius: var(--radius-md);
    background: var(--bs-tertiary-bg);
}
.video-lib-card--vertical .video-lib-thumb { aspect-ratio: 9 / 16; border-radius: var(--radius-lg); }
.video-lib-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .35s ease;
}
.video-lib-card:hover .video-lib-thumb img { transform: scale(1.05); }
.video-lib-duration {
    position: absolute; right: .4rem; bottom: .4rem;
    padding: .1rem .35rem; border-radius: .35rem;
    color: #fff; background: rgba(0, 0, 0, .78);
    font-size: .72rem; font-weight: 600; line-height: 1.4;
    font-variant-numeric: tabular-nums;
}
.video-lib-play {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: #fff; background: rgba(0, 0, 0, .3);
    font-size: 2.6rem; opacity: 0; transition: opacity .2s ease;
}
.video-lib-play .bi { filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .45)); }
.video-lib-card:hover .video-lib-play,
.video-lib-thumb:focus-visible .video-lib-play { opacity: 1; }
.video-lib-body { display: flex; gap: .6rem; padding: .7rem .15rem 0; }
.video-lib-card--vertical .video-lib-body { padding-top: .55rem; }
.video-lib-avatar {
    display: grid; place-items: center;
    width: 2rem; height: 2rem; flex: 0 0 2rem;
    border-radius: 50%; object-fit: cover;
    background: var(--bs-primary-bg-subtle);
}
.video-lib-avatar-fallback { color: var(--bs-primary); font-size: .85rem; font-weight: 700; }
.video-lib-title {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    color: var(--bs-body-color); font-size: .95rem; font-weight: 600;
    line-height: 1.45; text-decoration: none; overflow-wrap: anywhere;
}
.video-lib-card--vertical .video-lib-title { font-size: .875rem; }
.video-lib-title:hover { color: var(--bs-link-hover-color); }
.video-lib-meta { margin-top: .15rem; color: var(--bs-secondary-color); font-size: .8rem; }
.video-lib-card--vertical .video-lib-meta { font-size: .75rem; }
.video-shelf-empty {
    padding: 2.25rem 1rem; text-align: center;
    color: var(--bs-secondary-color);
    border: 1px dashed var(--bs-border-color); border-radius: var(--radius-lg);
}
.video-shelf-empty .bi { font-size: 1.5rem; opacity: .7; }
.video-shelf-empty a { color: var(--bs-primary); font-weight: 600; text-decoration: none; }
.video-shelf-empty a:hover { text-decoration: underline; }
@media (max-width: 575.98px) {
    .video-shelf { grid-auto-columns: 72%; gap: .75rem; }
    .video-shelf--vertical { grid-auto-columns: 40%; }
}

/* ---------- Video Detail: Watch & Shorts (YouTube-style) ---------- */
.video-page .breadcrumb a { color: var(--bs-link-color); text-decoration: none; }
.video-page .breadcrumb a:hover { color: var(--bs-link-hover-color); text-decoration: underline; }

.video-watch-player {
    overflow: hidden; border-radius: var(--radius-lg);
    background: #000; box-shadow: var(--shadow-md);
}
.video-watch-player video { object-fit: contain; background: #000; }
.video-watch-title {
    margin: 1rem 0 .65rem;
    font-size: clamp(1.2rem, 2.4vw, 1.55rem);
    font-weight: 700; line-height: 1.4; overflow-wrap: anywhere;
}
.video-watch-meta { padding-bottom: 1rem; border-bottom: 1px solid var(--bs-border-color); }
.video-watch-avatar {
    display: grid; place-items: center;
    width: 2.75rem; height: 2.75rem; flex: 0 0 2.75rem;
    border-radius: 50%; object-fit: cover;
    background: var(--bs-primary-bg-subtle); color: var(--bs-primary);
    font-weight: 700;
}
.video-watch-author { font-weight: 700; }
.video-watch-author-link { color: inherit; text-decoration: none; }
.video-watch-author-link:hover { color: var(--bs-link-hover-color); text-decoration: underline; }
.video-shorts-author-link { color: inherit; text-decoration: none; }
.video-shorts-author-link:hover { text-decoration: underline; }
.video-watch-sub { color: var(--bs-secondary-color); font-size: .8rem; }
.video-watch-description {
    margin-top: 1rem; padding: 1rem 1.15rem;
    border-radius: var(--radius-md); background: var(--bs-secondary-bg);
}
.video-watch-description-text { white-space: pre-wrap; line-height: 1.75; overflow-wrap: anywhere; }

.video-tag-list { display: flex; flex-wrap: wrap; gap: .4rem; }
.video-tag-chip {
    display: inline-flex; align-items: center;
    padding: .2rem .65rem; border-radius: 999px;
    background: rgba(var(--bs-primary-rgb), .1);
    color: var(--bs-primary-text-emphasis);
    font-size: .8rem; text-decoration: none;
}
.video-tag-chip:hover { background: var(--bs-primary); color: var(--site-on-primary); }

.video-related-heading { margin-bottom: .85rem; font-size: 1rem; font-weight: 700; }
.video-related-list { display: flex; flex-direction: column; gap: .75rem; }
.video-related-item { display: flex; gap: .65rem; color: inherit; text-decoration: none; border-radius: var(--radius-md); }
.video-related-item:hover .video-related-title { color: var(--bs-link-hover-color); }
.video-related-thumb {
    position: relative; flex: 0 0 9.5rem; aspect-ratio: 16 / 9;
    overflow: hidden; border-radius: .6rem; background: var(--bs-tertiary-bg);
}
.video-related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-related-duration,
.video-related-orientation {
    position: absolute; padding: .05rem .3rem; border-radius: .3rem;
    color: #fff; background: rgba(0, 0, 0, .78);
    font-size: .68rem; font-weight: 600; line-height: 1.5;
}
.video-related-duration { right: .3rem; bottom: .3rem; font-variant-numeric: tabular-nums; }
.video-related-orientation { left: .3rem; top: .3rem; background: rgba(0, 0, 0, .6); font-size: .66rem; }
.video-related-title {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    font-size: .9rem; font-weight: 600; line-height: 1.45;
}
.video-related-meta { margin-top: .15rem; color: var(--bs-secondary-color); font-size: .78rem; }

.video-shorts-stage {
    display: flex; align-items: center; justify-content: center; gap: .9rem;
    padding: clamp(1rem, 3vw, 2rem);
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at 50% 0%, #1f2937 0%, #0b0f19 70%);
}
.video-shorts-player {
    position: relative; flex: 0 1 auto;
    height: min(78vh, 720px); aspect-ratio: 9 / 16; max-width: 100%;
    overflow: hidden; border-radius: 1.25rem;
    background: #000; box-shadow: var(--shadow-xl);
}
.video-shorts-player video {
    display: block; width: 100%; height: 100%;
    object-fit: contain; background: #000; cursor: pointer;
}
.video-shorts-overlay {
    position: absolute; right: 0; bottom: 0; left: 0;
    padding: 3rem 1.1rem 1.1rem;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .78));
    color: #fff; pointer-events: none;
}
.video-shorts-author { display: flex; align-items: center; gap: .55rem; margin-bottom: .55rem; }
.video-shorts-avatar {
    width: 2.15rem; height: 2.15rem; flex: 0 0 2.15rem;
    border-radius: 50%; object-fit: cover;
    background: rgba(255, 255, 255, .2);
    border: 2px solid rgba(255, 255, 255, .85);
}
.video-shorts-avatar-fallback { display: grid; place-items: center; font-size: .9rem; font-weight: 700; }
.video-shorts-author-name { font-weight: 700; font-size: .95rem; }
.video-shorts-author-meta { color: rgba(255, 255, 255, .75); font-size: .72rem; }
.video-shorts-title {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    margin-bottom: .3rem; font-size: 1rem; font-weight: 700; line-height: 1.4;
}
.video-shorts-desc {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    margin: 0; color: rgba(255, 255, 255, .82);
    font-size: .82rem; line-height: 1.55;
}
.video-shorts-rail { display: flex; flex-direction: column; gap: .55rem; }
.video-shorts-action {
    display: flex; flex-direction: column; align-items: center; gap: .2rem;
    width: 3.6rem; padding: .5rem 0;
    border: 0; border-radius: .85rem;
    background: rgba(255, 255, 255, .08); color: #fff;
    font-size: .68rem; line-height: 1.2; text-decoration: none;
    transition: background .15s ease;
}
.video-shorts-action .bi { font-size: 1.2rem; }
.video-shorts-action:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.video-shorts-action.is-disabled { opacity: .35; }
.video-shorts-footer { margin-top: 1rem; }
.video-meta-chip {
    display: inline-flex; align-items: center;
    padding: .2rem .6rem; border-radius: 999px;
    background: var(--bs-secondary-bg);
    color: var(--bs-secondary-color); font-size: .78rem;
}
@media (max-width: 767.98px) {
    .video-shorts-stage { flex-direction: column; gap: .7rem; padding: .75rem; border-radius: var(--radius-lg); }
    .video-shorts-player { width: 100%; height: auto; aspect-ratio: 9 / 16; max-height: 68vh; }
    .video-shorts-rail { flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .video-shorts-action { width: 3.4rem; }
    .video-related-thumb { flex-basis: 8.25rem; }
}

/* ---------- Image Gallery Library ---------- */
.gallery-card {
    display: flex; flex-direction: column;
    min-width: 0; height: 100%;
    overflow: hidden;
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: var(--radius-lg);
    background: var(--bs-body-bg);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.gallery-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--bs-primary-rgb), .35);
    box-shadow: var(--shadow-md);
}
.gallery-thumb {
    position: relative; display: block; overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--bs-tertiary-bg);
}
.gallery-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .35s ease;
}
.gallery-card:hover .gallery-thumb img { transform: scale(1.05); }
.gallery-thumb-empty {
    display: grid; width: 100%; height: 100%; place-items: center;
    color: var(--bs-secondary-color); font-size: 2rem;
}
.gallery-count {
    position: absolute; right: .45rem; bottom: .45rem;
    display: inline-flex; align-items: center; gap: .25rem;
    padding: .12rem .45rem; border-radius: .4rem;
    color: #fff; background: rgba(0, 0, 0, .68);
    font-size: .72rem; font-weight: 600; line-height: 1.4;
    font-variant-numeric: tabular-nums;
}
.gallery-body { display: flex; flex-direction: column; gap: .45rem; padding: .65rem .75rem .8rem; }
.gallery-title {
    display: -webkit-box; overflow: hidden;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    color: var(--bs-body-color); font-size: .95rem; font-weight: 600;
    line-height: 1.45; text-decoration: none; overflow-wrap: anywhere;
}
.gallery-title:hover { color: var(--bs-link-hover-color); }
.gallery-meta {
    display: flex; align-items: center; gap: .35rem;
    min-width: 0; margin-top: auto;
    color: var(--bs-secondary-color); font-size: .78rem;
}
.gallery-meta-avatar {
    display: grid; place-items: center;
    width: 1.4rem; height: 1.4rem; flex: 0 0 1.4rem;
    border-radius: 50%; object-fit: cover;
    background: var(--bs-primary-bg-subtle);
}
.gallery-meta-avatar-fallback { color: var(--bs-primary); font-size: .68rem; font-weight: 700; }
.gallery-meta-author { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gallery-meta-sep { opacity: .6; }
@media (max-width: 575.98px) {
    .gallery-body { padding: .55rem .6rem .65rem; }
    .gallery-title { font-size: .875rem; }
    .gallery-meta { font-size: .72rem; }
}

/* ---------- Shared component color alignment ---------- */
html {
    background-color: var(--bs-body-bg);
}

body {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

.navbar-warm {
    --bs-navbar-color: var(--site-nav-color);
    --bs-navbar-hover-color: var(--site-nav-hover-color);
    --bs-navbar-active-color: var(--site-nav-hover-color);
    --bs-navbar-brand-color: var(--bs-body-color);
    --bs-navbar-brand-hover-color: var(--site-nav-hover-color);
    background-color: var(--site-nav-bg);
    border-color: var(--site-nav-border-color);
    backdrop-filter: saturate(180%) blur(20px);
}

.navbar-warm .navbar-toggler {
    border-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .navbar-warm .navbar-toggler-icon {
    filter: brightness(0) invert(1);
}

.card,
.content-management-table,
.rich-editor-wrap {
    background-color: var(--site-surface);
    border-color: var(--bs-border-color);
}

.card {
    --bs-card-bg: var(--site-surface);
    --bs-card-color: var(--bs-body-color);
    --bs-card-border-color: var(--bs-border-color);
}

.list-group-item {
    color: var(--bs-body-color);
    background-color: var(--site-surface);
    border-color: var(--bs-border-color);
}

.list-group-item.active,
.nav-pills .nav-link.active {
    color: var(--site-on-primary);
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.dropdown-menu,
.modal-content,
.popover {
    color: var(--bs-body-color);
    background-color: var(--site-surface);
    border-color: var(--bs-border-color);
}

.dropdown-item {
    color: var(--bs-body-color);
}

.dropdown-item:hover,
.dropdown-item:focus {
    color: var(--bs-body-color);
    background-color: var(--bs-tertiary-bg);
}

/* 下拉里的「当前项」（如语言菜单的简体中文）走 Bootstrap 默认的 #0d6efd，和绿色主题以及同一导航里其它菜单都不搭；
   按 .list-group-item.active 的同一套配色接管，并压过 hover / 触屏按下态。 */
.dropdown-item.active,
.dropdown-item.active:hover,
.dropdown-item.active:focus,
.dropdown-item:active {
    color: var(--site-on-primary);
    background-color: var(--bs-primary);
}

.text-bg-light {
    color: var(--bs-secondary-color) !important;
    background-color: var(--bs-tertiary-bg) !important;
}

.text-bg-dark {
    color: var(--bs-body-color) !important;
    background-color: var(--bs-secondary-bg) !important;
}

.table {
    --bs-table-color: var(--bs-body-color);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--bs-border-color);
    --bs-table-striped-color: var(--bs-body-color);
    --bs-table-striped-bg: rgba(var(--bs-body-color-rgb), .025);
    --bs-table-hover-color: var(--bs-body-color);
    --bs-table-hover-bg: rgba(var(--bs-primary-rgb), .05);
}

.table-light {
    --bs-table-color: var(--bs-body-color);
    --bs-table-bg: var(--bs-tertiary-bg);
    --bs-table-border-color: var(--bs-border-color);
}

.form-control,
.form-select {
    color: var(--bs-body-color);
    background-color: var(--site-surface);
    border-color: var(--bs-border-color);
}

.form-control::placeholder {
    color: var(--bs-secondary-color);
    opacity: 1;
}

.form-control:focus,
.form-select:focus {
    color: var(--bs-body-color);
    background-color: var(--site-surface);
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .22rem rgba(var(--bs-primary-rgb), .2);
}

.btn-primary,
.btn-yii,
.login-btn {
    --bs-btn-color: var(--site-on-primary);
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-color: var(--site-on-primary);
    --bs-btn-hover-bg: var(--bs-primary-text-emphasis);
    --bs-btn-hover-border-color: var(--bs-primary-text-emphasis);
    --bs-btn-active-color: var(--site-on-primary);
    --bs-btn-active-bg: var(--site-primary-active);
    --bs-btn-active-border-color: var(--site-primary-active);
    color: var(--site-on-primary);
    background: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary-border-subtle);
    --bs-btn-hover-color: var(--site-on-primary);
    --bs-btn-hover-bg: var(--bs-primary);
    --bs-btn-hover-border-color: var(--bs-primary);
    --bs-btn-active-color: var(--site-on-primary);
    --bs-btn-active-bg: var(--site-primary-active);
    --bs-btn-active-border-color: var(--site-primary-active);
}

.btn-outline-success {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary-border-subtle);
    --bs-btn-hover-color: var(--site-on-primary);
    --bs-btn-hover-bg: var(--bs-primary);
    --bs-btn-hover-border-color: var(--bs-primary);
    --bs-btn-active-color: var(--site-on-primary);
    --bs-btn-active-bg: var(--site-primary-active);
    --bs-btn-active-border-color: var(--site-primary-active);
}

.btn-outline-secondary {
    --bs-btn-color: var(--bs-secondary-color);
    --bs-btn-border-color: var(--bs-border-color);
    --bs-btn-hover-color: var(--bs-body-color);
    --bs-btn-hover-bg: var(--bs-tertiary-bg);
    --bs-btn-hover-border-color: var(--bs-border-color);
    --bs-btn-active-color: var(--bs-body-color);
    --bs-btn-active-bg: var(--bs-secondary-bg);
    --bs-btn-active-border-color: var(--bs-border-color);
}

.text-primary,
.link-primary {
    color: var(--bs-primary) !important;
}

[data-bs-theme="dark"] .footer-logo-light {
    display: none;
}

[data-bs-theme="dark"] .footer-logo-dark {
    display: inline-block;
}

@media (prefers-reduced-motion: reduce) {
    body {
        transition: none;
    }
    .home-feed-toggle i { transition: none; }
}

/* ---------- Navbar search ---------- */
.navbar .nav-search {
    width: 15rem;
    max-width: 100%;
}

.navbar .nav-search .form-control {
    background-color: var(--site-surface);
    border-color: var(--site-nav-border-color);
}

/* 导航项变多后，md 断点宽度不够时让导航换行，而不是挤压文字。 */
.navbar-warm .navbar-collapse {
    flex-wrap: wrap;
    row-gap: .25rem;
}

.navbar-warm .navbar-nav .nav-link {
    white-space: nowrap;
}

@media (max-width: 767.98px) {
    .navbar .nav-search {
        width: 100%;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .navbar .nav-search {
        width: 11rem;
    }
}

/* ---------- Site search ---------- */
.search-form {
    max-width: 34rem;
}

mark {
    background-color: rgba(var(--bs-primary-rgb), .18);
    border-radius: .25rem;
    color: inherit;
    padding: 0 .15rem;
}

/* ---------- Content Detail: 续流区块（作者卡 / 目录 / 推荐 / 上下篇 / 频道条） ---------- */
.content-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
}

.content-detail-main {
    min-width: 0;
}

.content-detail-side {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 1200px) {
    .content-detail-layout {
        grid-template-columns: minmax(0, 1fr) 19rem;
        gap: 2.25rem;
    }

    .content-detail-side {
        position: sticky;
        top: 5.25rem;
        max-height: calc(100vh - 6.5rem);
        overflow-y: auto;
        overscroll-behavior: contain;
        scrollbar-width: thin;
        padding-right: .25rem;
    }
}

/* 详情页比列表页吃宽度：≥1200px 时不再守 Bootstrap 的 1140/1320 档，最宽放到 1440。 */
@media (min-width: 1200px) {
    main:has(.content-view) > .container,
    main:has(.video-page) > .container,
    main:has(.user-center) > .container {
        max-width: none;
        width: min(100%, 1440px);
    }
}

/* 用户中心：左侧导航改成固定窄栏（卡片实宽与首页侧栏一致），省下的宽度全部让给内容表格。 */
@media (min-width: 992px) {
    .user-center > .row > aside {
        flex: 0 0 13.5rem;
        width: 13.5rem;
    }

    .user-center > .row > section {
        flex: 1 1 0;
        min-width: 0;
    }
}

.content-detail-heading {
    margin: 0 0 .75rem;
    padding-left: .55rem;
    border-left: 3px solid var(--bs-primary);
    color: var(--bs-emphasis-color);
    font-size: .95rem;
    font-weight: 700;
    line-height: 1.4;
}

/* 作者署名卡：紧跟标题，位于正文上方 */
.content-detail-author {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem 1rem;
    margin: 0 0 1.5rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    background-color: var(--site-surface);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.content-detail-author-body {
    flex: 1 1 18rem;
    min-width: 0;
}

.content-detail-author-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: .5rem;
}

.content-detail-author-head {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: inherit;
    text-decoration: none;
}

.content-detail-author-head:hover .content-detail-author-title {
    color: var(--bs-link-hover-color);
}

.content-detail-avatar {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.content-detail-avatar-initial {
    display: grid;
    place-items: center;
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
    font-size: 1.15rem;
    font-weight: 600;
}

.content-detail-author-name {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.content-detail-author-title {
    color: var(--bs-emphasis-color);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.content-detail-author-sub {
    color: var(--bs-secondary-color);
    font-size: .8rem;
}

.content-detail-author-bio {
    margin: .7rem 0 0;
    color: var(--bs-secondary-color);
    font-size: .88rem;
    line-height: 1.6;
}

/* 目录 */
.content-detail-toc {
    padding: 1rem 1.1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    background-color: var(--site-surface);
}

.content-detail-toc ol {
    display: grid;
    gap: .3rem;
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.content-detail-toc li.is-sub {
    padding-left: .85rem;
    font-size: .85rem;
}

.content-detail-toc-link {
    display: block;
    color: var(--bs-secondary-color);
    font-size: .9rem;
    line-height: 1.5;
    text-decoration: none;
}

.content-detail-toc-link:hover {
    color: var(--bs-link-hover-color);
    text-decoration: underline;
}

.content-view .rich-content h2,
.content-view .rich-content h3 {
    scroll-margin-top: 6rem;
}

/* 相关推荐 */
.content-detail-related-list {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.content-detail-related-item {
    display: flex;
    gap: .7rem;
    padding: .5rem;
    border-radius: var(--radius-sm);
    color: inherit;
    text-decoration: none;
    transition: background-color .15s ease;
}

.content-detail-related-item:hover {
    background-color: var(--bs-tertiary-bg);
}

.content-detail-related-thumb {
    flex: 0 0 auto;
    width: 88px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.content-detail-related-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.content-detail-related-title {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    color: var(--bs-emphasis-color);
    font-size: .92rem;
    font-weight: 500;
    line-height: 1.45;
}

.content-detail-related-item:hover .content-detail-related-title {
    color: var(--bs-link-hover-color);
}

.content-detail-related-meta {
    margin-top: .15rem;
    color: var(--bs-secondary-color);
    font-size: .78rem;
}

.content-detail-related-reason {
    align-self: flex-start;
    margin-top: .3rem;
    padding: .1rem .5rem;
    border-radius: 999px;
    background-color: var(--bs-primary-bg-subtle);
    color: var(--bs-primary-text-emphasis);
    font-size: .72rem;
    line-height: 1.5;
}

/* 上一篇 / 下一篇 */
.content-detail-prevnext {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.25rem;
}

.content-detail-neighbor {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
    min-width: 0;
    padding: .85rem 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    background-color: var(--site-surface);
    color: inherit;
    text-decoration: none;
}

.content-detail-neighbor:hover {
    border-color: var(--bs-primary-border-subtle);
    box-shadow: var(--shadow-sm);
}

.content-detail-neighbor.is-next {
    align-items: flex-end;
    text-align: right;
}

.content-detail-neighbor.is-empty {
    visibility: hidden;
}

.content-detail-neighbor-label {
    color: var(--bs-primary-text-emphasis);
    font-size: .8rem;
    font-weight: 600;
}

.content-detail-neighbor-title {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    color: var(--bs-emphasis-color);
    font-weight: 600;
    line-height: 1.5;
}

.content-detail-neighbor:hover .content-detail-neighbor-title {
    color: var(--bs-link-hover-color);
}

.content-detail-neighbor-meta {
    color: var(--bs-secondary-color);
    font-size: .78rem;
}

@media (max-width: 575.98px) {
    .content-detail-prevnext {
        grid-template-columns: minmax(0, 1fr);
    }

    .content-detail-neighbor.is-next {
        align-items: flex-start;
        text-align: left;
    }
}

/* 返回频道条 */
.content-detail-channel {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .35rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--bs-border-color);
    font-size: .9rem;
}

.content-detail-channel-link {
    color: var(--bs-link-color);
    text-decoration: none;
}

.content-detail-channel-link:hover {
    color: var(--bs-link-hover-color);
    text-decoration: underline;
}

.content-detail-channel-sep {
    color: var(--bs-secondary-color);
    opacity: .6;
}

/* ---------- 作者主页 ---------- */
.author-profile-banner {
    height: 110px;
    background-image: var(--site-primary-gradient);
}

.author-profile-avatar {
    flex: 0 0 auto;
    width: 88px;
    height: 88px;
    margin-top: -3.5rem;
    border: 4px solid var(--site-surface);
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bs-secondary-bg);
}

.author-profile-avatar-initial {
    display: grid;
    place-items: center;
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
    font-size: 2rem;
    font-weight: 600;
}

.author-profile-bio {
    max-width: 44rem;
    color: var(--bs-secondary-color);
    line-height: 1.7;
}

.author-profile-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.author-profile-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .85rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 999px;
    background-color: var(--site-surface);
    color: var(--bs-secondary-color);
    font-size: .9rem;
    text-decoration: none;
}

.author-profile-chip:hover {
    border-color: var(--bs-primary-border-subtle);
    color: var(--bs-link-hover-color);
}

.author-profile-chip.active {
    border-color: transparent;
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
}

.author-profile-chip-count {
    padding: 0 .4rem;
    border-radius: 999px;
    background-color: var(--bs-tertiary-bg);
    color: inherit;
    font-size: .72rem;
    line-height: 1.6;
}

.author-profile-chip.active .author-profile-chip-count {
    background-color: rgba(255, 255, 255, .22);
}

/* ---------- 统一分页器 ---------- */
.content-pager .page-link {
    color: var(--bs-primary);
    background-color: var(--site-surface);
    border-color: var(--bs-border-color);
    font-variant-numeric: tabular-nums;
}

.content-pager .page-link:hover {
    color: var(--bs-emphasis-color);
    background-color: var(--bs-tertiary-bg);
    border-color: var(--bs-border-color);
}

.content-pager .page-item.active .page-link {
    color: var(--site-on-primary);
    background-image: var(--site-primary-gradient);
    border-color: transparent;
}

.content-pager .page-item.disabled .page-link {
    color: var(--bs-secondary-color);
    opacity: .65;
}

/* ---------- 页脚站点地图 ---------- */
.site-footer {
    margin-top: auto;
    padding: 2.5rem 0 1.25rem;
    border-top: 1px solid var(--site-nav-border-color);
    background-color: var(--bs-tertiary-bg);
}

.site-footer-cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 1.25rem;
}

@media (min-width: 768px) {
    .site-footer-cols {
        grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
        gap: 2rem 1.5rem;
    }
}

.site-footer-logo {
    display: inline-block;
    padding: .15rem .6rem;
    border-radius: var(--radius-sm);
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.site-footer-tagline {
    margin: .8rem 0 .25rem;
    color: var(--bs-emphasis-color);
    font-size: .95rem;
    font-weight: 600;
}

.site-footer-desc {
    max-width: 22rem;
    margin: 0 0 .9rem;
    color: var(--bs-secondary-color);
    font-size: .88rem;
    line-height: 1.7;
}

.site-footer-cta {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .85rem;
    border: 1px solid var(--bs-primary-border-subtle);
    border-radius: 999px;
    color: var(--bs-link-color);
    font-size: .85rem;
    text-decoration: none;
}

.site-footer-cta:hover {
    border-color: transparent;
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
}

.site-footer-title {
    margin: 0 0 .7rem;
    color: var(--bs-secondary-color);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
}

.site-footer-list {
    display: grid;
    gap: .45rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer-list a {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--bs-body-color);
    font-size: .9rem;
    text-decoration: none;
}

.site-footer-list a:hover {
    color: var(--bs-link-hover-color);
}

.site-footer-list a i {
    color: var(--bs-secondary-color);
    font-size: .85rem;
}

.site-footer-list a:hover i {
    color: var(--bs-link-color);
}

.site-footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: .5rem 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--site-nav-border-color);
    color: var(--bs-secondary-color);
    font-size: .85rem;
}

.site-footer-copy {
    font-variant-numeric: tabular-nums;
}

/* 时间归档：一屏一年的时间轴，主轴是一条竖线，月份是轴上的节点。 */
.archive-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.archive-head-text {
    min-width: 0;
}

/* 年份可能十几个（迁移来的旧站跨年很久），单行横向滚动比换行成墙更好扫读。 */
.archive-years {
    display: flex;
    gap: .4rem;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: .35rem;
    scrollbar-width: thin;
}

.archive-year {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: baseline;
    gap: .4rem;
    padding: .3rem .7rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 999px;
    background-color: var(--site-surface);
    color: var(--bs-body-color);
    text-decoration: none;
    white-space: nowrap;
    transition: border-color .18s ease, transform .18s ease;
}

.archive-year:hover {
    border-color: var(--bs-primary-border-subtle);
    transform: translateY(-1px);
}

.archive-year-num {
    font-size: .9rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.archive-year-count {
    color: var(--bs-secondary-color);
    font-size: .75rem;
    font-variant-numeric: tabular-nums;
}

.archive-year.active {
    border-color: transparent;
    background-image: var(--site-primary-gradient);
    color: var(--site-on-primary);
}

.archive-year.active .archive-year-count {
    color: rgba(255, 255, 255, .78);
}

.archive-timeline {
    position: relative;
    display: grid;
    gap: 1.5rem;
    margin: 0;
    padding: 0 0 0 .35rem;
    list-style: none;
}

/* 主轴：贯穿所有月份的竖线，两端用渐隐收住，避免硬切。 */
.archive-timeline::before {
    content: "";
    position: absolute;
    top: .4rem;
    bottom: .4rem;
    left: .55rem;
    width: 2px;
    border-radius: 2px;
    background-image: linear-gradient(180deg, transparent, var(--bs-primary-border-subtle) 1.5rem, var(--bs-primary-border-subtle) calc(100% - 1.5rem), transparent);
}

.archive-month {
    scroll-margin-top: 5.25rem;
}

.archive-month-head {
    position: sticky;
    top: 4.5rem;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: .7rem;
    margin-left: 1.9rem;
    margin-bottom: .75rem;
    padding: .45rem .8rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    background-color: var(--site-surface);
    box-shadow: var(--shadow-sm);
}

/* 轴上的节点：一个圆点压在竖线上，一截横线连到月份卡片。 */
.archive-month-head::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -1.35rem;
    width: 1.35rem;
    border-top: 2px solid var(--bs-primary-border-subtle);
}

.archive-month-head::after {
    content: "";
    position: absolute;
    top: 50%;
    left: -2.05rem;
    width: 9px;
    height: 9px;
    transform: translateY(-50%);
    border: 2px solid var(--site-surface);
    border-radius: 50%;
    background-color: var(--bs-primary);
}

.archive-month-title {
    margin: 0;
    color: var(--bs-emphasis-color);
    font-size: 1.05rem;
    font-weight: 700;
}

.archive-month-count {
    color: var(--bs-secondary-color);
    font-size: .8rem;
    font-variant-numeric: tabular-nums;
}

/* 密度条：当月条数 / 全年最高月条数，一眼看出哪个月写得最勤。 */
.archive-month-density {
    flex: 1 1 3rem;
    max-width: 7rem;
    height: 4px;
    margin-left: auto;
    border-radius: 999px;
    background-color: var(--bs-tertiary-bg);
    overflow: hidden;
}

.archive-month-density::after {
    content: "";
    display: block;
    width: calc(var(--w, 1) * 100%);
    height: 100%;
    border-radius: inherit;
    background-image: var(--site-primary-gradient);
}

.archive-month.is-located > .archive-month-head {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px var(--bs-primary-bg-subtle);
}

.archive-days {
    display: grid;
    gap: .1rem;
    margin: 0;
    padding: 0 0 0 1.9rem;
    list-style: none;
}

.archive-day {
    display: grid;
    grid-template-columns: 2.2rem minmax(0, 1fr);
    gap: .5rem;
    align-items: start;
}

/* 日期块竖排靠右，贴着条目；横排在窄栏里会把「周三」拆成两行。 */
.archive-day-mark {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-top: .3rem;
    color: var(--bs-secondary-color);
    line-height: 1.15;
    white-space: nowrap;
}

.archive-day-num {
    color: var(--bs-emphasis-color);
    font-size: 1.05rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.archive-day-week {
    font-size: .68rem;
}

.archive-entries {
    display: grid;
    gap: .1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.archive-entry {
    display: flex;
    align-items: baseline;
    gap: .6rem;
    padding: .3rem .6rem;
    border-radius: var(--radius-sm);
    transition: background-color .16s ease;
}

.archive-entry:hover {
    background-color: var(--bs-tertiary-bg);
}

.archive-entry-type {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    width: 1.15rem;
    font-size: .9rem;
}

/* 类型只用绿色梯度分层级，蓝 / 紫 / 粉一类的高饱和色会和站点主色打架。 */
.archive-entry-type.is-blog { color: var(--bs-primary); }
.archive-entry-type.is-moment { color: #74c69d; }
.archive-entry-type.is-images { color: #146c43; }
.archive-entry-type.is-short_video { color: #0b5c39; }

[data-bs-theme="dark"] .archive-entry-type.is-blog { color: #37b982; }
[data-bs-theme="dark"] .archive-entry-type.is-moment { color: #52b788; }
[data-bs-theme="dark"] .archive-entry-type.is-images { color: #95d5b2; }
[data-bs-theme="dark"] .archive-entry-type.is-short_video { color: #b7e4c7; }

.archive-entry-title {
    min-width: 0;
    flex: 1 1 auto;
    color: var(--bs-body-color);
    font-size: .95rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
    text-decoration: none;
}

a.archive-entry-title:hover {
    color: var(--bs-link-hover-color);
    text-decoration: underline;
}

.archive-entry.is-dead .archive-entry-title {
    color: var(--bs-secondary-color);
}

.archive-entry-time {
    flex: 0 0 auto;
    color: var(--bs-secondary-color);
    font-size: .75rem;
    font-variant-numeric: tabular-nums;
}

.archive-foot {
    margin: 1.75rem 0 0;
    padding-top: 1rem;
    border-top: 1px dashed var(--bs-border-color);
    font-size: .85rem;
}

@media (max-width: 575.98px) {
    .archive-month-head {
        top: 3.75rem;
        margin-left: 1.35rem;
        padding: .4rem .6rem;
    }

    .archive-month-head::before {
        left: -1.15rem;
        width: 1.15rem;
    }

    .archive-month-head::after {
        left: -1.92rem;
    }

    .archive-timeline::before {
        left: .18rem;
    }

    .archive-days {
        padding-left: 1.35rem;
    }

    .archive-day {
        grid-template-columns: 2rem minmax(0, 1fr);
    }

    .archive-entry-time {
        display: none;
    }
}