/*
 * 像素莓现代化设计系统 · Mac Workspace
 *
 * 方向：把个人技术博客塑造成清晰、有辨识度的数字创作工作台。
 * 保留：像素草莓、蓝色品牌基因、MiSans、深色模式和全部主题功能。
 * 核心：亮色雾面层级、编辑式文章编排、Apple 蓝动作与柔和环境深度。
 * 边界：只覆盖展示层，不改父主题、文章数据或交互逻辑。
 */

:root {
    --xm-ink: #1d1d1f;
    --xm-ink-soft: #424245;
    --xm-blue: #0071e3;
    --xm-blue-deep: #0066cc;
    --xm-berry: #e83f5b;
    --xm-teal: #00a99d;
    --xm-paper: #f5f5f7;
    --xm-surface: #ffffff;
    --xm-surface-raised: #f7f7f9;
    --xm-line: rgba(29, 29, 31, .10);
    --xm-line-strong: rgba(29, 29, 31, .16);
    --xm-muted: #6e6e73;
    --xm-shadow-sm: 0 12px 34px rgba(30, 50, 80, .07);
    --xm-shadow-md: 0 24px 64px rgba(30, 50, 80, .11);
    --xm-shadow-hero: 0 30px 90px rgba(30, 50, 80, .13);
    --xm-radius-sm: 12px;
    --xm-radius-md: 18px;
    --xm-radius-lg: 28px;
}

html[data-theme="dark"] {
    --xm-ink: #f1f5f9;
    --xm-ink-soft: #cbd5e1;
    --xm-paper: #08101f;
    --xm-surface: #101a2e;
    --xm-surface-raised: #152139;
    --xm-line: #24324c;
    --xm-line-strong: #334463;
    --xm-muted: #94a3b8;
    --xm-shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.20);
    --xm-shadow-md: 0 18px 44px rgba(0, 0, 0, 0.30);
    --xm-shadow-hero: 0 28px 70px rgba(0, 0, 0, 0.40);
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--xm-ink);
    background: var(--xm-paper);
    text-rendering: optimizeLegibility;
}

::selection {
    color: #ffffff;
    background: var(--xm-berry);
}

/* 顶部导航：稳定、清晰，滚动时保持可用。 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(29, 29, 31, .08);
    background: rgba(250, 250, 252, .82) !important;
    box-shadow: 0 7px 24px rgba(30, 50, 80, .035);
    backdrop-filter: blur(24px) saturate(1.2);
}

html[data-theme="dark"] .site-header {
    border-bottom-color: rgba(51, 68, 99, 0.82);
    background: rgba(8, 16, 31, 0.92) !important;
}

.site-header__top-inner,
.site-header__bottom-inner {
    max-width: 1280px;
}

.site-header__top {
    min-height: 68px;
}

.site-logo-img {
    max-height: 44px;
    transition: transform 220ms cubic-bezier(.2, .8, .2, 1);
}

.site-logo:hover .site-logo-img {
    transform: translateY(-1px) scale(1.025);
}

.nav-list > li > a {
    min-height: 40px;
    padding-inline: 14px;
    color: var(--xm-ink-soft) !important;
    border-radius: var(--xm-radius-sm);
    font-weight: 600;
    transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.nav-list > li > a:hover,
.nav-list > .current-menu-item > a {
    color: var(--xm-blue) !important;
    background: rgba(37, 99, 235, 0.09);
}

.nav-list > li > a:hover {
    transform: translateY(-1px);
}

.site-header__search {
    min-height: 40px;
    background: var(--xm-surface);
    border: 1px solid var(--xm-line);
    border-radius: var(--xm-radius-sm);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header__search:focus-within {
    border-color: var(--xm-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
}

.site-header__search-input,
.site-header__search-icon,
.site-header__search-btn,
.theme-toggle,
.header-login-btn {
    color: var(--xm-ink-soft) !important;
}

.site-header__search-btn,
.theme-toggle,
.header-login-btn {
    min-width: 40px;
    min-height: 40px;
    border-radius: var(--xm-radius-sm);
}

/* 首屏：现有品牌横幅进入深色数字舞台，不再漂浮在大片空白中。 */
.home .slider-component {
    position: relative;
    overflow: hidden;
    margin-top: 28px;
    padding: 10px;
    border: 1px solid #21365f;
    border-radius: 28px;
    background: #0d1b35;
    box-shadow: var(--xm-shadow-hero);
    animation: xm-hero-reveal 720ms cubic-bezier(.16, 1, .3, 1) both;
}

.home .slider-component::before {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
    content: "";
    pointer-events: none;
}

.home .slider-component .swiper {
    overflow: hidden;
    border-radius: 19px;
}

.home .slider-component .swiper-slide {
    min-height: 330px;
    aspect-ratio: 3 / 1;
    background: #102447;
}

.home .slider-component .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.16) contrast(1.06);
}

.home .swiper-button-prev,
.home .swiper-button-next {
    width: 44px;
    height: 44px;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 50%;
    background: rgba(13, 27, 53, 0.70);
    backdrop-filter: blur(10px);
}

.home .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.62);
    opacity: 1;
}

.home .swiper-pagination-bullet-active {
    width: 24px;
    border-radius: 999px;
    background: #ffffff;
}

@keyframes xm-hero-reveal {
    from {
        opacity: 0.72;
        filter: blur(6px);
        clip-path: inset(0 5% 0 5% round 28px);
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        filter: blur(0);
        clip-path: inset(0 0 0 0 round 28px);
        transform: translateY(0);
    }
}

/* 页面主网格：让内容成为主角，侧栏成为辅助。 */
.layout-container {
    max-width: 1280px;
    padding-top: clamp(24px, 3.2vw, 46px);
    padding-bottom: clamp(48px, 6vw, 88px);
}

.home .layout-grid,
.single .layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 304px;
    gap: 28px;
    align-items: start;
}

.article-tabs {
    display: flex;
    gap: 7px;
    margin-bottom: 24px;
    padding: 7px;
    overflow-x: auto;
    border: 1px solid var(--xm-line);
    border-radius: var(--xm-radius-md);
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-sm);
    scrollbar-width: none;
}

.article-tabs::-webkit-scrollbar {
    display: none;
}

.article-tab {
    min-height: 40px;
    padding-inline: 16px;
    color: var(--xm-muted);
    border-radius: var(--xm-radius-sm);
    font-weight: 650;
    white-space: nowrap;
    transition: color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.article-tab:hover,
.article-tab.active {
    color: var(--xm-blue);
    background: rgba(37, 99, 235, 0.09);
}

.article-tab.active {
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.16);
}

/* 首页文章采用“主稿 + 双列项目流”，避免所有卡片同等重要。 */
.home .article-list--card {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.home .article-item {
    display: flex;
    min-width: 0;
    overflow: hidden;
    flex-direction: column;
    padding: 0;
    border: 1px solid var(--xm-line);
    border-radius: var(--xm-radius-md);
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-sm);
    transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms cubic-bezier(.2, .8, .2, 1);
}

.home .article-item:hover {
    border-color: rgba(37, 99, 235, 0.46);
    box-shadow: var(--xm-shadow-md);
    transform: translateY(-4px);
}

.home .article-item:first-child {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
}

.home .article-item__thumb {
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    background: var(--xm-surface-raised);
}

.home .article-item:first-child .article-item__thumb {
    min-height: 286px;
    aspect-ratio: auto;
}

.home .article-item__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 420ms cubic-bezier(.2, .8, .2, 1), filter 420ms ease;
}

.home .article-item:hover .article-item__thumb img {
    filter: saturate(1.08);
    transform: scale(1.035);
}

.home .article-item__content {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    padding: 20px 21px 18px;
}

.home .article-item:first-child .article-item__content {
    justify-content: center;
    padding: clamp(24px, 3vw, 38px);
}

.home .article-item__title {
    margin-bottom: 10px;
    color: var(--xm-ink);
    font-size: clamp(18px, 1.45vw, 22px);
    font-weight: 720;
    line-height: 1.42;
    letter-spacing: -0.018em;
}

.home .article-item:first-child .article-item__title {
    font-size: clamp(26px, 2.4vw, 36px);
    line-height: 1.28;
    letter-spacing: -0.028em;
}

.home .article-item__excerpt {
    display: -webkit-box;
    margin-bottom: 18px;
    overflow: hidden;
    color: var(--xm-muted);
    font-size: 14px;
    line-height: 1.72;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.home .article-item:first-child .article-item__excerpt {
    font-size: 15px;
    -webkit-line-clamp: 4;
}

.home .article-item__meta {
    margin-top: auto;
    padding-top: 14px;
    color: var(--xm-muted);
    border-top: 1px solid var(--xm-line);
}

.home .article-item__stats {
    color: var(--xm-muted);
}

.article-load-more {
    margin-top: 28px;
}

.load-more-btn {
    min-height: 46px;
    padding-inline: 24px;
    color: #ffffff;
    border: 1px solid var(--xm-blue);
    border-radius: 12px;
    background: var(--xm-blue);
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.20);
    transition: background-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.load-more-btn:hover {
    background: var(--xm-blue-deep);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.28);
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    cursor: not-allowed;
    opacity: 0.56;
    box-shadow: none;
    transform: none;
}

/* 侧栏：取消嵌套卡片感，建立三个不同任务的模块。 */
.layout-col--sidebar {
    position: sticky;
    top: 96px;
}

.layout-col--sidebar .widget {
    margin-bottom: 20px;
    padding: 0;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.xmosai-search-card {
    padding: 22px !important;
    color: var(--xm-ink) !important;
    border: 1px solid rgba(29, 29, 31, .09) !important;
    border-radius: var(--xm-radius-md) !important;
    background: rgba(255, 255, 255, .92) !important;
    box-shadow: 0 18px 48px rgba(30, 50, 80, .08) !important;
    backdrop-filter: blur(18px);
}

.xmosai-search-input {
    min-height: 44px !important;
    color: #101828 !important;
    border: 1px solid rgba(255, 255, 255, 0.30) !important;
    border-radius: 11px 0 0 11px !important;
    background: #ffffff !important;
}

.xmosai-search-input::placeholder {
    color: #667085 !important;
}

.xmosai-search-btn {
    min-width: 46px !important;
    border-radius: 0 11px 11px 0 !important;
    background: var(--xm-blue) !important;
}

.xmosai-card,
.xmosai-time-card {
    overflow: hidden;
    color: var(--xm-ink) !important;
    border: 1px solid var(--xm-line) !important;
    border-radius: var(--xm-radius-md) !important;
    background: var(--xm-surface) !important;
    box-shadow: var(--xm-shadow-sm) !important;
}

.xmosai-card {
    position: relative;
}

.xmosai-card::before {
    display: none;
}

.quote-card {
    border-left: 0 !important;
    border-radius: 12px !important;
    background: var(--xm-surface-raised) !important;
}

.quote-text,
.quote-author,
.time-footer,
.footer-text {
    color: var(--xm-muted) !important;
}

.time-num,
.days-num {
    color: var(--xm-blue) !important;
    font-variant-numeric: tabular-nums;
}

/* 文章阅读页：标题、摘要和正文形成明确的阅读路径。 */
.single-article {
    padding: clamp(26px, 4vw, 54px);
    border: 1px solid var(--xm-line);
    border-radius: var(--xm-radius-lg);
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-md);
}

.single-article__header {
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--xm-line);
}

.single-article__title {
    max-width: 22ch;
    margin-bottom: 18px;
    color: var(--xm-ink);
    font-size: clamp(30px, 3.1vw, 46px);
    font-weight: 760;
    line-height: 1.2;
    letter-spacing: -0.032em;
    text-wrap: balance;
}

.single-article__meta,
.single-article__meta a,
.single-article__cats,
.single-article__edit {
    color: var(--xm-muted) !important;
}

.wpopt-ai-summary {
    margin: 30px 0 38px;
    padding: clamp(20px, 3vw, 30px) !important;
    color: #d9e6ff !important;
    border: 1px solid #28426f !important;
    border-radius: 18px !important;
    background: #101d38 !important;
    box-shadow: 0 16px 36px rgba(13, 27, 53, 0.18) !important;
}

.wpopt-ai-summary .summary-title,
.wpopt-ai-summary .summary-header {
    color: #ffffff !important;
}

.wpopt-ai-summary .summary-desc,
.wpopt-ai-summary .summary-link,
.wpopt-ai-summary .summary-link-a {
    color: #9fb4d8 !important;
}

.wpopt-ai-summary .summary-content {
    color: #e5edff !important;
    border: 1px solid rgba(255, 255, 255, 0.10) !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, 0.055) !important;
    line-height: 1.85;
}

.wpopt-ai-summary .summary-more {
    color: #ffffff !important;
    border-radius: 10px !important;
    background: var(--xm-blue) !important;
}

.single-article__content {
    max-width: 72ch;
    margin-inline: auto;
    color: var(--xm-ink-soft);
    font-size: 17px;
    line-height: 1.92;
}

.single-article__content > :first-child {
    margin-top: 0;
}

.single-article__content h2,
.single-article__content h3 {
    color: var(--xm-ink);
    font-weight: 740;
    letter-spacing: -0.024em;
    text-wrap: balance;
}

.single-article__content h2 {
    margin-top: 2.7em;
    margin-bottom: .8em;
    padding-bottom: .46em;
    font-size: clamp(24px, 2.2vw, 32px);
    border-bottom: 1px solid var(--xm-line);
}

.single-article__content h3 {
    margin-top: 2.2em;
    margin-bottom: .7em;
    font-size: clamp(20px, 1.7vw, 25px);
}

.single-article__content p,
.single-article__content ul,
.single-article__content ol,
.single-article__content pre,
.single-article__content blockquote {
    margin-bottom: 1.35em;
}

.single-article__content a {
    color: var(--xm-blue);
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.single-article__content img {
    border: 1px solid var(--xm-line);
    border-radius: 14px;
    box-shadow: var(--xm-shadow-sm);
}

.single-article__content code {
    color: var(--xm-berry);
    border: 1px solid var(--xm-line);
    border-radius: 6px;
    background: var(--xm-surface-raised);
}

.single-article__content pre {
    overflow-x: auto;
    border: 1px solid #243656;
    border-radius: 14px;
    background: #101828;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.16);
}

.single-article__content pre code {
    color: #dbeafe;
    border: 0;
    background: transparent;
}

.single-copyright {
    margin-top: 42px;
    padding: 22px;
    color: var(--xm-muted);
    border: 1px solid var(--xm-line);
    border-radius: 14px;
    background: var(--xm-surface-raised);
}

.post-tag-list__item {
    min-height: 36px;
    color: var(--xm-blue) !important;
    border: 1px solid rgba(37, 99, 235, 0.20);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.07);
}

.article-actions {
    padding-block: 26px;
    border-block: 1px solid var(--xm-line);
}

.article-actions__btn {
    min-width: 72px;
    min-height: 52px;
    color: var(--xm-ink-soft);
    border-radius: 12px;
    transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.article-actions__btn:hover {
    color: var(--xm-blue);
    background: rgba(37, 99, 235, 0.08);
    transform: translateY(-2px);
}

.post-nav-card,
.related-articles {
    margin-top: 28px;
    padding: 22px;
    border: 1px solid var(--xm-line);
    border-radius: var(--xm-radius-md);
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-sm);
}

.related-articles__title {
    color: var(--xm-ink);
    font-size: 22px;
    font-weight: 720;
}

.related-articles__item {
    overflow: hidden;
    border: 1px solid var(--xm-line);
    border-radius: 13px;
    background: var(--xm-surface-raised);
    transition: border-color 180ms ease, transform 180ms ease;
}

.related-articles__item:hover {
    border-color: rgba(37, 99, 235, 0.42);
    transform: translateY(-2px);
}

/* 搜索和页脚统一到同一套对比关系。 */
.search-modal__content {
    border: 1px solid var(--xm-line);
    border-radius: 20px;
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-md);
}

.search-modal__input {
    color: var(--xm-ink);
    border-color: var(--xm-line);
    background: var(--xm-surface-raised);
}

.site-footer {
    color: var(--xm-muted);
    border-top: 1px solid rgba(29, 29, 31, .08);
    background: rgba(255, 255, 255, .72);
}

.site-footer__name {
    color: var(--xm-ink);
}

.site-footer a {
    color: var(--xm-ink-soft);
}

/* 无障碍与键盘状态。 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
.article-tab:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.52);
    outline-offset: 3px;
}

@media (max-width: 1080px) {
    .home .layout-grid,
    .single .layout-grid {
        grid-template-columns: minmax(0, 1fr) 276px;
        gap: 22px;
    }

    .home .article-item:first-child {
        grid-template-columns: 1fr;
    }

    .home .article-item:first-child .article-item__thumb {
        min-height: 0;
        aspect-ratio: 16 / 8;
    }
}

@media (max-width: 900px) {
    .home .layout-grid,
    .single .layout-grid {
        grid-template-columns: 1fr;
    }

    .layout-col--sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }

    .layout-col--sidebar .widget {
        margin-bottom: 0;
    }

    .layout-col--sidebar .widget:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .site-header__top {
        min-height: 60px;
    }

    .site-logo-img {
        max-height: 38px;
    }

    .home .slider-component {
        margin-top: 14px;
        padding: 6px;
        border-radius: 18px;
    }

    .home .slider-component .swiper {
        border-radius: 13px;
    }

    .home .slider-component .swiper-slide {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }

    .layout-container {
        padding-top: 20px;
        padding-bottom: 52px;
    }

    .article-tabs {
        margin-bottom: 18px;
        border-radius: 13px;
    }

    .article-tab {
        min-height: 42px;
    }

    .home .article-list--card {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .home .article-item:first-child {
        display: flex;
        grid-column: auto;
    }

    .home .article-item:first-child .article-item__thumb {
        aspect-ratio: 16 / 9;
    }

    .home .article-item,
    .home .article-item:hover {
        border-radius: 14px;
        transform: none;
    }

    .home .article-item__content,
    .home .article-item:first-child .article-item__content {
        padding: 18px;
    }

    .home .article-item:first-child .article-item__title {
        font-size: 22px;
        line-height: 1.38;
    }

    .layout-col--sidebar {
        display: block;
    }

    .layout-col--sidebar .widget {
        margin-bottom: 18px;
    }

    .single-article {
        padding: 22px 18px 30px;
        border-radius: 16px;
    }

    .single-article__header {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

    .single-article__title {
        max-width: none;
        font-size: clamp(28px, 8vw, 36px);
        letter-spacing: -0.026em;
    }

    .single-article__content {
        font-size: 16px;
        line-height: 1.88;
    }

    .wpopt-ai-summary {
        margin: 24px 0 30px;
        border-radius: 14px !important;
    }

    .article-actions {
        overflow-x: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 关于本站与声明：编辑式说明页，正文只承载内容，样式集中在子主题。 */
.page-id-10 .page-container,
.page-id-48 .page-container {
    width: min(1180px, calc(100% - 32px));
    max-width: 1180px;
    padding-top: 42px;
    padding-bottom: 72px;
}

.page-id-10 .single-article,
.page-id-48 .single-article {
    padding: 0 !important;
    overflow: visible;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
}

.page-id-10 .single-article__header,
.page-id-48 .single-article__header {
    display: none;
}

.page-id-10 .single-article__content,
.page-id-48 .single-article__content {
    max-width: none;
    margin: 0;
    color: var(--xm-ink-soft);
    font-size: 17px;
    line-height: 1.86;
}

.xm-info-page {
    --xm-info-navy: #eef4fb;
    --xm-info-navy-soft: #e5edf8;
    color: var(--xm-ink-soft);
}

.xm-info-page * {
    box-sizing: border-box;
}

.xm-info-page h1,
.xm-info-page h2,
.xm-info-page h3,
.xm-info-page p,
.xm-info-page ul,
.xm-info-page ol,
.xm-info-page blockquote {
    margin-top: 0;
}

.xm-info-page h1,
.xm-info-page h2,
.xm-info-page h3,
.xm-info-page strong {
    color: var(--xm-ink);
}

.xm-info-page h2 {
    padding-left: 0 !important;
    border-left: 0 !important;
    background: transparent !important;
}

.xm-info-page h2::before {
    display: none !important;
    content: none !important;
}

.xm-info-page a {
    text-decoration: none;
}

.xm-info-hero {
    position: relative;
    min-height: 430px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(42px, 7vw, 78px);
    overflow: hidden;
    color: var(--xm-ink-soft);
    border: 1px solid rgba(29, 29, 31, .09);
    border-radius: 28px;
    background:
        radial-gradient(circle at 86% 12%, rgba(0, 113, 227, .13), transparent 31%),
        linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(239, 244, 251, .96));
    box-shadow: 0 26px 80px rgba(30, 50, 80, .10), inset 0 1px 0 #ffffff;
    animation: xm-mac-surface-in 700ms cubic-bezier(.16, 1, .3, 1) both;
}

.xm-info-hero::after {
    content: "";
    position: absolute;
    top: clamp(34px, 7vw, 72px);
    right: clamp(34px, 7vw, 72px);
    width: 150px;
    height: 150px;
    border: 1px solid rgba(0, 113, 227, .10);
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 0 28px rgba(0, 113, 227, .025), 0 0 0 58px rgba(0, 113, 227, .016);
}

.xm-info-hero h1 {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin-bottom: 22px;
    color: var(--xm-ink);
    font-size: clamp(48px, 7.5vw, 88px);
    line-height: 0.98;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.xm-info-hero > p:not(.xm-info-updated) {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin-bottom: 30px;
    color: var(--xm-muted);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.72;
}

.xm-info-actions {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.xm-info-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    color: var(--xm-ink) !important;
    border: 1px solid rgba(29, 29, 31, .10);
    border-radius: 999px;
    background: rgba(255, 255, 255, .76);
    font-weight: 700;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.xm-info-button--primary {
    color: #ffffff !important;
    border-color: var(--xm-blue);
    background: var(--xm-blue);
    box-shadow: 0 8px 20px rgba(0, 113, 227, .18);
}

.xm-info-button:hover {
    color: var(--xm-blue) !important;
    border-color: rgba(0, 113, 227, .28);
    background: #ffffff;
    transform: translateY(-1px);
}

.xm-info-button--primary:hover {
    color: #ffffff !important;
    border-color: #0077ed;
    background: #0077ed;
}

.xm-story {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
    gap: 22px;
    margin-top: 24px;
}

.xm-story__body,
.xm-story__note,
.xm-info-section,
.xm-writing,
.xm-statement-nav,
.xm-statement-body {
    border: 1px solid var(--xm-line);
    border-radius: 20px;
    background: var(--xm-surface);
    box-shadow: var(--xm-shadow-sm);
}

.xm-story__body {
    padding: clamp(30px, 5vw, 54px);
}

.xm-story__body h2,
.xm-info-section__header h2,
.xm-writing h2,
.xm-contact-band h2 {
    margin-bottom: 16px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.16;
    letter-spacing: -0.035em;
}

.xm-story__body p {
    max-width: 70ch;
    margin-bottom: 18px;
}

.xm-story__body p:last-child {
    margin-bottom: 0;
}

.xm-story__note {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 34px;
    color: var(--xm-ink-soft);
    border-color: rgba(29, 29, 31, .08);
    background: linear-gradient(145deg, #f7f9fc, #edf3fa);
}

.xm-story__note blockquote {
    padding: 0 !important;
    color: var(--xm-ink);
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    font-size: clamp(24px, 3.2vw, 36px);
    font-weight: 800;
    line-height: 1.34;
    letter-spacing: -0.03em;
}

.xm-story__note blockquote p {
    margin: 0;
    padding: 0;
    color: inherit !important;
    font: inherit;
    line-height: inherit;
}

.xm-story__note p {
    margin-bottom: 0;
    color: var(--xm-muted);
    font-size: 15px;
}

.xm-info-section {
    margin-top: 24px;
    padding: clamp(30px, 5vw, 54px);
}

.xm-info-section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 28px;
}

.xm-info-section__header h2,
.xm-info-section__header p {
    margin-bottom: 0;
}

.xm-info-section__header p {
    max-width: 440px;
    color: var(--xm-muted);
    text-align: right;
}

.xm-topic-directory {
    border-top: 1px solid var(--xm-line);
}

.xm-topic-directory > a {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 22px;
    min-height: 94px;
    padding: 18px 4px;
    color: var(--xm-ink);
    border-bottom: 1px solid var(--xm-line);
    transition: color 180ms ease, background-color 180ms ease;
}

.xm-topic-directory > a:hover {
    color: var(--xm-blue);
    background: rgba(0, 113, 227, .035);
}

.xm-topic-directory strong,
.xm-topic-directory small {
    display: block;
}

.xm-topic-directory strong {
    margin-bottom: 4px;
    font-size: 19px;
}

.xm-topic-directory small {
    color: var(--xm-muted);
    font-size: 15px;
    line-height: 1.6;
}

.xm-topic-directory__action {
    color: var(--xm-blue);
    font-size: 14px;
    font-weight: 750;
}

.xm-milestones {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--xm-line);
}

.xm-milestones li {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 26px;
    padding: 25px 4px;
    border-bottom: 1px solid var(--xm-line);
}

.xm-milestones time {
    color: var(--xm-blue);
    font-size: 18px;
    font-weight: 800;
}

.xm-milestones strong {
    display: block;
    margin-bottom: 5px;
    font-size: 18px;
}

.xm-milestones p {
    margin-bottom: 0;
    color: var(--xm-muted);
}

.xm-writing {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.85fr);
    gap: clamp(30px, 6vw, 76px);
    margin-top: 24px;
    padding: clamp(30px, 5vw, 54px);
}

.xm-writing p {
    max-width: 66ch;
    margin-bottom: 0;
}

.xm-writing ul {
    margin-bottom: 0;
    padding: 0;
    list-style: none;
}

.xm-writing li {
    position: relative;
    padding: 12px 0 12px 28px;
    border-bottom: 1px solid var(--xm-line);
}

.xm-writing li::before {
    content: "";
    position: absolute;
    top: 21px;
    left: 2px;
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: var(--xm-teal);
}

.xm-contact-band {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-top: 24px;
    padding: clamp(32px, 5vw, 54px);
    color: var(--xm-ink-soft);
    border: 1px solid rgba(29, 29, 31, .08);
    border-radius: 20px;
    background:
        radial-gradient(circle at 95% 0, rgba(0, 113, 227, .10), transparent 38%),
        rgba(255, 255, 255, .90);
    box-shadow: 0 18px 50px rgba(30, 50, 80, .07);
}

.xm-contact-band h2 {
    color: var(--xm-ink);
}

.xm-contact-band p {
    max-width: 620px;
    margin-bottom: 0;
    color: var(--xm-muted);
}

.xm-contact-band nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.xm-contact-band a {
    padding: 10px 14px;
    color: var(--xm-ink-soft) !important;
    border: 1px solid rgba(29, 29, 31, .10);
    border-radius: 999px;
    background: rgba(255, 255, 255, .78);
    font-weight: 700;
}

.xm-contact-band a:hover {
    color: var(--xm-blue) !important;
    border-color: rgba(0, 113, 227, .26);
    background: #ffffff;
}

.xm-info-hero--statement {
    min-height: 350px;
}

.xm-info-hero--statement h1 {
    font-size: clamp(46px, 7vw, 76px);
}

.xm-info-updated {
    position: relative;
    z-index: 1;
    margin-bottom: 0;
    color: var(--xm-muted);
    font-size: 14px;
}

.xm-statement-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
    margin-top: 24px;
}

.xm-statement-nav {
    position: sticky;
    top: 92px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 22px;
}

.xm-statement-nav strong {
    margin-bottom: 10px;
    font-size: 15px;
}

.xm-statement-nav a {
    padding: 8px 10px;
    color: var(--xm-muted);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.xm-statement-nav a:hover {
    color: var(--xm-blue);
    background: rgba(37, 99, 235, 0.08);
}

.xm-statement-body {
    padding: clamp(30px, 5vw, 56px);
}

.xm-statement-lead {
    max-width: 70ch;
    margin-bottom: 42px;
    color: var(--xm-ink);
    font-size: clamp(20px, 2.4vw, 25px);
    font-weight: 650;
    line-height: 1.66;
}

.xm-statement-body section {
    scroll-margin-top: 110px;
    padding: 34px 0;
    border-top: 1px solid var(--xm-line);
}

.xm-statement-body section h2 {
    margin-bottom: 18px;
    font-size: clamp(24px, 3vw, 32px);
    line-height: 1.24;
    letter-spacing: -0.025em;
}

.xm-statement-body section p,
.xm-statement-body section ul {
    max-width: 72ch;
}

.xm-statement-body section p {
    margin-bottom: 15px;
}

.xm-statement-body section ul {
    margin-bottom: 0;
    padding-left: 22px;
}

.xm-statement-body section li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.xm-statement-body a {
    color: var(--xm-blue);
    font-weight: 650;
}

.xm-official-links {
    display: grid;
    gap: 10px;
    margin-top: 24px;
}

.xm-official-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 17px 18px;
    color: var(--xm-ink);
    border: 1px solid var(--xm-line);
    border-radius: 12px;
    background: var(--xm-surface-raised);
}

.xm-official-links a:hover {
    color: var(--xm-blue);
    border-color: var(--xm-blue);
}

.xm-official-links span {
    flex: 0 0 auto;
    color: var(--xm-muted);
    font-size: 13px;
}

.xm-legal-note {
    margin: 12px 0 0;
    color: var(--xm-muted);
    font-size: 14px;
}

.xm-info-page a:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.4);
    outline-offset: 3px;
}

@media (max-width: 820px) {
    .page-id-10 .page-container,
    .page-id-48 .page-container {
        width: min(100% - 24px, 1180px);
        padding-top: 18px;
        padding-bottom: 42px;
    }

    .xm-info-hero {
        min-height: 0;
        padding: 42px 22px 30px;
        border-radius: 18px;
    }

    .xm-info-hero::after {
        top: 24px;
        right: 26px;
        width: 74px;
        height: 74px;
        box-shadow: 0 0 0 18px rgba(0, 113, 227, .02);
    }

    .xm-info-hero h1 {
        margin-top: 64px;
        font-size: clamp(40px, 14vw, 58px);
    }

    .xm-info-hero > p:not(.xm-info-updated) {
        font-size: 17px;
    }

    .xm-info-actions,
    .xm-info-button {
        width: 100%;
    }

    .xm-story,
    .xm-writing,
    .xm-statement-layout {
        grid-template-columns: 1fr;
    }

    .xm-story__body,
    .xm-story__note,
    .xm-info-section,
    .xm-writing,
    .xm-statement-body {
        border-radius: 16px;
    }

    .xm-story__note {
        min-height: 260px;
    }

    .xm-info-section__header,
    .xm-contact-band {
        align-items: flex-start;
        flex-direction: column;
    }

    .xm-info-section__header p {
        text-align: left;
    }

    .xm-milestones li {
        grid-template-columns: 72px 1fr;
        gap: 14px;
    }

    .xm-contact-band nav {
        justify-content: flex-start;
    }

    .xm-statement-nav {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        top: auto;
    }

    .xm-statement-nav strong {
        grid-column: 1 / -1;
    }

    .xm-official-links a {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }
}

/* macOS 深色外观：保留材质层次，避免回到红黑科技模板。 */
html[data-theme="dark"] .xm-lead,
html[data-theme="dark"] .xm-info-hero {
    color: var(--xm-ink);
    border-color: rgba(255, 255, 255, .10);
    background:
        radial-gradient(circle at 88% 4%, rgba(10, 132, 255, .15), transparent 32%),
        linear-gradient(145deg, rgba(35, 35, 38, .98), rgba(25, 25, 28, .96));
    box-shadow: 0 28px 74px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .06);
}

html[data-theme="dark"] .xm-featured,
html[data-theme="dark"] .xm-topics,
html[data-theme="dark"] .xm-projects,
html[data-theme="dark"] .xm-project-card--featured,
html[data-theme="dark"] .xm-journal__updates,
html[data-theme="dark"] .xm-story__body,
html[data-theme="dark"] .xm-info-section,
html[data-theme="dark"] .xm-writing,
html[data-theme="dark"] .xm-statement-nav,
html[data-theme="dark"] .xm-statement-body {
    border-color: rgba(255, 255, 255, .09);
    background: rgba(29, 29, 31, .90);
    box-shadow: 0 20px 54px rgba(0, 0, 0, .22), inset 0 1px 0 rgba(255, 255, 255, .04);
}

html[data-theme="dark"] .xm-project-card,
html[data-theme="dark"] .xm-journal__studio,
html[data-theme="dark"] .xm-story__note,
html[data-theme="dark"] .xm-contact-band {
    color: var(--xm-ink-soft);
    border-color: rgba(255, 255, 255, .09);
    background: rgba(42, 42, 45, .92);
    box-shadow: 0 18px 44px rgba(0, 0, 0, .18), inset 0 1px 0 rgba(255, 255, 255, .04);
}

html[data-theme="dark"] .xm-button--quiet,
html[data-theme="dark"] .xm-journal__studio dl div,
html[data-theme="dark"] .xm-journal__studio nav a,
html[data-theme="dark"] .xm-contact-band a,
html[data-theme="dark"] .xm-official-links a {
    color: var(--xm-ink-soft) !important;
    border-color: rgba(255, 255, 255, .10);
    background: rgba(255, 255, 255, .055);
}

html[data-theme="dark"] .xm-info-hero > p:not(.xm-info-updated),
html[data-theme="dark"] .xm-story__note p,
html[data-theme="dark"] .xm-contact-band p {
    color: var(--xm-muted);
}

@media (max-width: 480px) {
    .xm-story__body,
    .xm-story__note,
    .xm-info-section,
    .xm-writing,
    .xm-statement-body {
        padding: 25px 20px;
    }

    .xm-topic-directory > a {
        min-height: 86px;
    }

    .xm-statement-nav {
        grid-template-columns: 1fr;
    }

    .xm-statement-nav strong {
        grid-column: auto;
    }
}

/*
 * 昼夜切换：以明确的开关状态替代父主题的“黄色月球”图标。
 * 动画只在用户主动切换时运行，页面初始渲染不做入场遮罩。
 */
.site-header__actions > .theme-toggle {
    position: relative;
    display: inline-flex;
    flex: 0 0 54px;
    align-items: center;
    justify-content: flex-start;
    width: 54px;
    min-width: 54px;
    height: 32px;
    min-height: 32px;
    padding: 0;
    overflow: hidden;
    color: #e0a21a !important;
    border: 1px solid rgba(29, 29, 31, .12);
    border-radius: 999px;
    background: #eef1f5;
    box-shadow: inset 0 1px 2px rgba(29, 29, 31, .06);
    isolation: isolate;
    view-transition-name: xm-theme-toggle;
    transition:
        color 240ms ease,
        border-color 320ms ease,
        background-color 320ms ease,
        box-shadow 320ms ease,
        transform 160ms ease;
}

.site-header__actions > .theme-toggle:hover {
    color: #c98900 !important;
    border-color: rgba(0, 113, 227, .24);
    background: #e8edf4;
    box-shadow: inset 0 1px 2px rgba(29, 29, 31, .05), 0 5px 14px rgba(30, 50, 80, .10);
}

.site-header__actions > .theme-toggle:active {
    transform: scale(.96);
}

.site-header__actions > .theme-toggle:focus-visible {
    outline: 3px solid rgba(0, 113, 227, .34);
    outline-offset: 3px;
}

.site-header__actions > .theme-toggle > .theme-toggle__light,
.site-header__actions > .theme-toggle > .theme-toggle__dark {
    display: none !important;
}

.xm-theme-switch {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    pointer-events: none;
}

.xm-theme-switch__thumb,
.xm-theme-switch__sun,
.xm-theme-switch__moon {
    position: absolute;
    top: 50%;
    left: 4px;
    transform-origin: center;
}

.xm-theme-switch__thumb {
    z-index: 0;
    width: 24px;
    height: 24px;
    border: 1px solid rgba(29, 29, 31, .08);
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 2px 7px rgba(30, 50, 80, .16);
    transform: translateY(-50%);
    transition:
        background-color 360ms ease,
        border-color 360ms ease,
        box-shadow 360ms ease,
        transform 420ms cubic-bezier(.16, 1, .3, 1);
}

.xm-theme-switch__sun,
.xm-theme-switch__moon {
    z-index: 1;
    width: 16px;
    height: 16px;
    margin-left: 4px;
    transition:
        color 260ms ease,
        opacity 220ms ease,
        transform 420ms cubic-bezier(.16, 1, .3, 1);
}

.xm-theme-switch__sun {
    opacity: 1;
    transform: translateY(-50%) rotate(0deg) scale(1);
}

.xm-theme-switch__moon {
    color: #dce8ff;
    opacity: 0;
    transform: translateY(-50%) rotate(-42deg) scale(.66);
}

html[data-theme="dark"] .site-header__actions > .theme-toggle {
    color: #dce8ff !important;
    border-color: rgba(151, 174, 214, .22);
    background: #172238;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .32);
}

html[data-theme="dark"] .site-header__actions > .theme-toggle:hover {
    color: #ffffff !important;
    border-color: rgba(140, 178, 255, .38);
    background: #1d2b46;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .28), 0 5px 16px rgba(0, 0, 0, .24);
}

html[data-theme="dark"] .xm-theme-switch__thumb {
    border-color: rgba(255, 255, 255, .12);
    background: #2b3a57;
    box-shadow: 0 2px 9px rgba(0, 0, 0, .36);
    transform: translate(22px, -50%);
}

html[data-theme="dark"] .xm-theme-switch__sun {
    opacity: 0;
    transform: translate(22px, -50%) rotate(52deg) scale(.66);
}

html[data-theme="dark"] .xm-theme-switch__moon {
    opacity: 1;
    transform: translate(22px, -50%) rotate(0deg) scale(1);
}

html {
    color-scheme: light;
}

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

/* 新页面从开关位置向外展开，建立昼夜状态之间的连续关系。 */
html.xm-theme-transition::view-transition-old(root),
html.xm-theme-transition::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}

html.xm-theme-transition::view-transition-old(root) {
    z-index: 1;
}

html.xm-theme-transition::view-transition-new(root) {
    z-index: 2;
    animation: xm-theme-reveal 460ms cubic-bezier(.16, 1, .3, 1) both;
}

html.xm-theme-transition::view-transition-group(xm-theme-toggle) {
    z-index: 3;
    animation-duration: 460ms;
    animation-timing-function: cubic-bezier(.16, 1, .3, 1);
}

html.xm-theme-fallback body,
html.xm-theme-fallback .site-header {
    transition:
        color 260ms ease,
        background-color 360ms ease,
        border-color 320ms ease,
        box-shadow 320ms ease;
}

@keyframes xm-theme-reveal {
    from {
        clip-path: circle(0 at var(--xm-theme-x, calc(100% - 120px)) var(--xm-theme-y, 34px));
    }
    to {
        clip-path: circle(var(--xm-theme-radius, 150vmax) at var(--xm-theme-x, calc(100% - 120px)) var(--xm-theme-y, 34px));
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header__actions > .theme-toggle,
    .xm-theme-switch__thumb,
    .xm-theme-switch__sun,
    .xm-theme-switch__moon,
    html.xm-theme-fallback body,
    html.xm-theme-fallback .site-header {
        transition-duration: 0.01ms !important;
    }

    html.xm-theme-transition::view-transition-old(root),
    html.xm-theme-transition::view-transition-new(root),
    html.xm-theme-transition::view-transition-group(xm-theme-toggle) {
        animation-duration: 0.01ms !important;
    }
}