/* CryptoZR 主题样式（叠加在 Source 的 built/screen.css 之上）
   配色取自站点 ICON：红 #EE1C25 / 蓝 #3C3B6E / 银灰 #DCDFE3，底色为纸白 */

:root {
    --zr-ink: #151515;
    --zr-muted: rgb(21 21 21 / 0.56);
    --zr-line: rgb(21 21 21 / 0.12);
    --zr-red: #ee1c25;
    --zr-navy: #3c3b6e;
    --zr-silver: #dcdfe3;
    --zr-frame: #eceae4;
    --color-darker-gray: var(--zr-ink);
    --color-primary-text: var(--zr-ink);
    --color-secondary-text: var(--zr-muted);
    --color-border: var(--zr-line);
}

body {
    background-color: var(--background-color, #f5f4f0);
}

::selection {
    background: var(--zr-navy);
    color: #fff;
}

.gh-content a:not(.kg-btn) {
    color: var(--zr-navy);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

/* ---- 品牌与导航 ---- */

.zr-mark {
    display: block;
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
}

.gh-navigation-logo,
.gh-footer-logo {
    display: inline-flex;
    gap: 12px;
    align-items: center;
}

.gh-navigation-logo span {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

#gh-navigation:not(.is-open) {
    position: relative;
    z-index: 100;
}

.gh-navigation .nav > li {
    position: relative;
}

.gh-navigation .nav > li.nav-current-parent > a,
.gh-navigation .nav > li.nav-current > a {
    box-shadow: inset 0 -2px 0 var(--zr-red);
}

.gh-navigation .nav > li > a {
    padding: 6px 0;
}

.gh-navigation .nav-sub {
    position: absolute;
    top: 100%;
    left: -18px;
    z-index: 90;
    min-width: 200px;
    padding: 10px 0;
    margin: 0;
    list-style: none;
    visibility: hidden;
    background: #fff;
    border: 1px solid var(--zr-line);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    transform: translateY(6px);
}

.gh-navigation .has-sub:hover > .nav-sub,
.gh-navigation .has-sub:focus-within > .nav-sub {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.gh-navigation .nav-sub a {
    display: block;
    padding: 7px 18px;
    font-size: 1.45rem;
    font-weight: 450;
    color: var(--zr-ink);
}

.gh-navigation .nav-sub a:hover,
.gh-navigation .nav-sub .nav-current a {
    color: var(--zr-red);
    opacity: 1;
}

/* 无脚本时子项以小字直接显示 */
.gh-navigation .nav:not(.is-grouped) .nav-child {
    font-size: 0.85em;
    opacity: 0.7;
}

@media (max-width: 767px) {
    #gh-navigation .nav > li {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .gh-navigation .nav-sub {
        position: static;
        min-width: 0;
        padding: 6px 0 0;
        visibility: inherit;
        background: none;
        border: 0;
        opacity: 1;
        transform: none;
    }

    #gh-navigation .nav-sub a {
        padding: 4px 0;
        font-size: 1.5rem;
        font-weight: 400;
        color: var(--zr-muted);
        text-align: center;
    }

    .gh-navigation .nav > li.nav-current-parent > a,
    .gh-navigation .nav > li.nav-current > a {
        box-shadow: none;
    }
}

/* ---- 通用排版 ---- */

.zr-eyebrow {
    margin: 0 0 12px;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--zr-muted);
    text-transform: uppercase;
}

.zr-thread-label {
    color: var(--zr-red);
    letter-spacing: 0.04em;
}

.zr-page-head {
    padding-top: clamp(40px, 7vw, 96px);
    padding-bottom: clamp(24px, 4vw, 48px);
}

.zr-page-title {
    margin: 0;
    font-size: clamp(3.4rem, 5vw, 5.6rem);
    font-weight: 750;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.zr-page-title span,
.zr-thread-title span {
    display: block;
    margin-top: 10px;
    font-size: 0.42em;
    font-weight: 500;
    letter-spacing: 0;
    color: var(--zr-muted);
}

.zr-page-intro {
    max-width: 720px;
    margin: 20px 0 0;
    font-size: 1.8rem;
    line-height: 1.7;
}

.zr-page-intro-en,
.zr-thread-intro-en {
    max-width: 720px;
    margin: 8px 0 0;
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--zr-muted);
}

.zr-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    padding-top: 18px;
    margin-top: 32px;
    font-size: 1.5rem;
    border-top: 1px solid var(--zr-line);
}

.zr-subnav a {
    padding-bottom: 4px;
    color: var(--zr-muted);
    border-bottom: 2px solid transparent;
}

.zr-subnav a:hover {
    color: var(--zr-ink);
    opacity: 1;
}

.zr-subnav a.is-current {
    color: var(--zr-ink);
    border-bottom-color: var(--zr-red);
}

.zr-section {
    padding-top: clamp(48px, 7vw, 96px);
}

.zr-section-head {
    display: flex;
    gap: 16px;
    align-items: baseline;
    justify-content: space-between;
    padding-bottom: 16px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--zr-ink);
}

.zr-section-head h2 {
    margin: 0;
    font-size: 2.4rem;
    font-weight: 700;
}

.zr-section-head h2 span {
    margin-left: 8px;
    font-size: 0.6em;
    font-weight: 500;
    color: var(--zr-muted);
}

.zr-section-head a {
    font-size: 1.4rem;
    color: var(--zr-muted);
}

/* ---- 首页 ---- */

.zr-hero {
    padding-top: clamp(56px, 10vw, 140px);
    padding-bottom: clamp(24px, 4vw, 48px);
}

.zr-hero .zr-mark {
    width: 64px;
    height: 64px;
    margin-bottom: 36px;
}

.zr-hero-title {
    max-width: 1100px;
    margin: 0;
    font-size: clamp(3.2rem, 5.4vw, 6.4rem);
    font-weight: 750;
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.zr-hero-sub {
    max-width: 720px;
    margin: 20px 0 0;
    font-size: 1.8rem;
    color: var(--zr-muted);
}

.zr-hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 32px;
    margin: 36px 0 0;
    font-size: 1.6rem;
    font-weight: 600;
}

.zr-hero-links span {
    font-weight: 400;
    color: var(--zr-muted);
}

.zr-thread-list {
    padding: 0;
    margin: 0;
    list-style: none;
}

.zr-thread-row {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: center;
    padding: 28px 0;
    border-bottom: 1px solid var(--zr-line);
}

.zr-thread-row-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.zr-thread-row-text:hover {
    opacity: 1;
}

.zr-thread-row-text:hover .zr-thread-row-title {
    color: var(--zr-navy);
}

.zr-thread-row .zr-thread-label {
    font-size: 1.3rem;
    font-weight: 600;
}

.zr-thread-row-title {
    font-size: 2.8rem;
    font-weight: 750;
    line-height: 1.2;
    transition: color 0.2s;
}

.zr-thread-row-sub {
    font-size: 1.6rem;
}

.zr-thread-row-en {
    font-size: 1.35rem;
    color: var(--zr-muted);
}

.zr-thread-row-works {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.zr-thread-row-works a {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--zr-frame);
}

.zr-thread-row-works img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.zr-thread-row-works a:hover img {
    transform: scale(1.04);
}

@media (max-width: 767px) {
    .zr-thread-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ---- 作品卡片与脉络 ---- */

.zr-thread {
    padding-top: clamp(40px, 6vw, 80px);
    scroll-margin-top: 24px;
}

.zr-thread-head {
    padding-top: 20px;
    margin-bottom: 28px;
    border-top: 1px solid var(--zr-ink);
}

.zr-thread-title {
    margin: 0;
    font-size: clamp(2.8rem, 3.6vw, 4rem);
    font-weight: 750;
    line-height: 1.15;
}

.zr-thread-title a:hover {
    color: var(--zr-navy);
    opacity: 1;
}

.zr-thread-intro {
    max-width: 720px;
    margin: 16px 0 0;
    font-size: 1.7rem;
    line-height: 1.7;
}

.zr-work-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 48px 32px;
}

@media (max-width: 1023px) {
    .zr-work-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 599px) {
    .zr-work-grid {
        grid-template-columns: 1fr;
    }
}

.zr-work-link {
    display: block;
}

.zr-work-link:hover {
    opacity: 1;
}

.zr-work-image {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4 / 3;
    padding: 6%;
    margin: 0 0 16px;
    background: var(--zr-frame);
}

.zr-work-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.4s;
}

.zr-work-link:hover .zr-work-image img {
    transform: scale(1.03);
}

.zr-work-year {
    margin: 0 0 4px;
    font-size: 1.3rem;
    font-variant-numeric: tabular-nums;
    color: var(--zr-red);
}

.zr-work-title {
    margin: 0;
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.3;
}

.zr-work-link:hover .zr-work-title {
    color: var(--zr-navy);
}

.zr-work-title-en {
    margin: 2px 0 0;
    font-size: 1.45rem;
    font-style: italic;
    color: var(--zr-muted);
}

.zr-work-gloss {
    margin: 10px 0 0;
    font-size: 1.45rem;
    line-height: 1.65;
    color: var(--zr-muted);
}

/* ---- 新闻 ---- */

.zr-news-list {
    display: flex;
    flex-direction: column;
}

.zr-news-link {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr) 140px;
    gap: 28px;
    align-items: start;
    padding: 24px 0;
    border-bottom: 1px solid var(--zr-line);
}

.zr-news-link:hover {
    opacity: 1;
}

.zr-news-link:hover .zr-news-title {
    color: var(--zr-navy);
}

.zr-news-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 1.35rem;
    color: var(--zr-muted);
}

.zr-news-meta time {
    font-variant-numeric: tabular-nums;
    color: var(--zr-ink);
}

.zr-news-title {
    margin: 0;
    font-size: 1.9rem;
    font-weight: 650;
    line-height: 1.4;
    transition: color 0.2s;
}

.zr-news-excerpt {
    display: -webkit-box;
    margin: 8px 0 0;
    overflow: hidden;
    font-size: 1.45rem;
    line-height: 1.65;
    color: var(--zr-muted);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.zr-news-image {
    grid-column: 3;
    aspect-ratio: 4 / 3;
    margin: 0;
    overflow: hidden;
    background: var(--zr-frame);
}

.zr-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 767px) {
    .zr-news-link {
        grid-template-columns: minmax(0, 1fr) 96px;
        gap: 8px 16px;
    }

    .zr-news-meta {
        flex-direction: row;
        grid-column: 1 / -1;
        gap: 12px;
    }

    .zr-news-image {
        grid-column: 2;
        grid-row: 2;
    }
}

.zr-news-page .pagination {
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: center;
    padding: 40px 0 0;
    font-size: 1.4rem;
    color: var(--zr-muted);
}

/* ---- 文章 / 作品详情 ---- */

.zr-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 20px;
    font-size: 1.35rem;
    color: var(--zr-muted);
}

.zr-breadcrumb a:hover {
    color: var(--zr-red);
    opacity: 1;
}

.zr-title-en {
    margin: 8px 0 0;
    font-size: 2rem;
    font-style: italic;
    color: var(--zr-muted);
}

.zr-work-header .zr-work-year {
    margin-top: 14px;
    font-size: 1.5rem;
}

.zr-news-date {
    display: block;
    margin-top: 16px;
    font-size: 1.4rem;
    font-variant-numeric: tabular-nums;
    color: var(--zr-muted);
}

.zr-work-header .gh-article-image img {
    background: var(--zr-frame);
}

.gh-content video {
    width: 100%;
    max-height: 80vh;
    background: #000;
}

.gh-content h3 {
    padding-top: 12px;
    border-top: 1px solid var(--zr-line);
}

.zr-lang-switch {
    display: inline-flex;
    justify-self: start;
    margin-bottom: 8px;
    border: 1px solid var(--zr-ink);
}

.zr-lang-switch button {
    padding: 6px 16px;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--zr-ink);
    cursor: pointer;
    background: none;
    border: 0;
}

.zr-lang-switch button[aria-pressed="true"] {
    color: #fff;
    background: var(--zr-ink);
}

.zr-lang[hidden] {
    display: none !important;
}

.zr-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-top: 32px;
    margin-top: 64px;
    border-top: 1px solid var(--zr-ink);
}

.zr-pager a {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 1.8rem;
    font-weight: 650;
}

.zr-pager a span {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--zr-muted);
}

.zr-pager-next {
    grid-column: 2;
    text-align: right;
}

.zr-contact p {
    margin-top: 0;
}

/* ---- 页脚 ---- */

.gh-footer-logo span {
    font-size: 1.8rem;
}

.gh-footer-copyright {
    font-size: 1.3rem;
    color: var(--zr-muted);
}

/* 中英文区块内沿用 Source 对 .gh-content 直接子元素的间距 */
.gh-content :is(.zr-lang, .zr-contact) > * {
    margin-top: 0;
    margin-bottom: 0;
}

.gh-content :is(.zr-lang, .zr-contact) > * + * {
    margin-top: calc(28px * var(--content-spacing-factor, 1));
}

.gh-content .zr-lang > :is(h2, h3, h4):not(:first-child) {
    margin-top: calc(56px * var(--content-spacing-factor, 1));
}

.gh-content .zr-lang > :is(h2, h3, h4) + * {
    margin-top: calc(12px * var(--content-spacing-factor, 1));
}

.gh-content .zr-lang img {
    height: auto;
}

/* 页面头部内的二级导航（个人简介 / 联系方式）位于标题之上 */
.gh-article-header .zr-subnav {
    padding-top: 0;
    margin: 0 0 40px;
    border-top: 0;
}