/* ==========================================================================
   YuanRes · 资源详情页（single-yr_resource）新增区块样式
   依赖 main.css 的变量与基础组件，仅声明本页新增类
   ========================================================================== */

/* ---------------------------------------------------------------- 标题区 */
.yr-single-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: center;
    margin-top: 14px;
    padding: 22px 24px;
    background: var(--yr-surface);
    border: 1px solid var(--yr-border);
    border-radius: var(--yr-radius);
    box-shadow: var(--yr-shadow);
}

.yr-single-hero__body { min-width: 0; }

.yr-single-hero__flags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.yr-single-hero__flag--vip {
    background: color-mix(in srgb, var(--yr-accent) 12%, transparent);
    color: var(--yr-accent);
}

.yr-single-hero__flag--free {
    background: color-mix(in srgb, var(--yr-ok) 12%, transparent);
    color: var(--yr-ok);
}

.yr-single-hero__title {
    font-size: clamp(21px, 2.4vw, 28px);
    line-height: 1.35;
    letter-spacing: -.02em;
    word-break: break-word;
}

.yr-single-hero__foot {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--yr-text-3);
}

.yr-single-hero__author {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-weight: 600;
    color: var(--yr-text-2);
}

.yr-single-hero__author img {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
}

.yr-single-hero__author:hover { color: var(--yr-primary); }
.yr-single-hero__sep { color: var(--yr-border); }
.yr-single-hero__demo { height: 30px; padding: 0 12px; font-size: 12.5px; }

.yr-single-hero__thumb {
    border-radius: var(--yr-radius-sm);
    overflow: hidden;
    background: var(--yr-surface-2);
    aspect-ratio: 16 / 10;
}

.yr-single-hero__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------------------------------------------------------------- 元信息行 */
.yr-single-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px 16px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px solid var(--yr-border-2);
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

.yr-single-meta__item a { color: var(--yr-text-2); }
.yr-single-meta__item a:hover { color: var(--yr-primary); }

.yr-single-meta__item--tags a {
    padding: 1px 7px;
    border-radius: 5px;
    background: var(--yr-surface-2);
    font-size: 11.5px;
}

/* ---------------------------------------------------------------- 演示预览 */
.yr-single-preview__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.yr-single-preview__head .yr-panel__title { margin-bottom: 0; }

.yr-single-preview__open {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-preview__open:hover { color: var(--yr-primary); }

.yr-single-preview__frame {
    position: relative;
    border-radius: var(--yr-radius-sm);
    overflow: hidden;
    background: #0d1119;
    aspect-ratio: 16 / 9;
}

.yr-single-preview__frame video,
.yr-single-preview__frame iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.yr-single-preview__frame video { object-fit: contain; background: #000; }

.yr-single-preview__frame--image { display: block; background: var(--yr-surface-2); }
.yr-single-preview__frame--image img { width: 100%; height: 100%; object-fit: cover; }

.yr-single-preview__audio audio { width: 100%; }

.yr-single-preview__fallback {
    margin: 10px 0 0;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-preview__fallback a { color: var(--yr-primary); }

/* ---------------------------------------------------------------- 正文 / 文件表 */
.yr-single-pages {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
    font-size: 13px;
    color: var(--yr-text-3);
}

.yr-single-files {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--yr-border-2);
}

.yr-single-files__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.yr-single-files__title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15.5px;
}

.yr-single-files__count {
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-files__table strong { font-size: 13.5px; }

.yr-single-files__locked {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--yr-text-3);
}

.yr-single-files__foot {
    margin: 12px 0 0;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-files__foot a { color: var(--yr-primary); }

.yr-single-files__lock {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px dashed var(--yr-border);
    border-radius: var(--yr-radius-sm);
    background: var(--yr-surface-2);
    font-size: 12.5px;
    color: var(--yr-text-2);
}

.yr-single-files__lock .yr-i { color: var(--yr-text-3); }
.yr-single-files__lock a { color: var(--yr-primary); font-weight: 600; }

/* ---------------------------------------------------------------- 购买卡补充 */
.yr-buy__files {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
}

.yr-buy__file {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    border-radius: var(--yr-radius-xs);
    background: var(--yr-surface-2);
    font-size: 12.5px;
    min-width: 0;
}

.yr-buy__file-type {
    flex: none;
    padding: 1px 7px;
    border-radius: 5px;
    background: color-mix(in srgb, var(--yr-primary) 10%, transparent);
    color: var(--yr-primary);
    font-size: 11px;
    font-weight: 600;
}

.yr-buy__file-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--yr-text-2);
}

.yr-buy__file-size {
    flex: none;
    font-style: normal;
    font-size: 11.5px;
    color: var(--yr-text-3);
}

.yr-buy__login {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.yr-buy__quote .yr-buy__row { position: relative; }

.yr-buy__quote .yr-buy__row.is-current {
    background: color-mix(in srgb, var(--yr-primary) 7%, transparent);
    box-shadow: inset 3px 0 0 var(--yr-primary);
    color: var(--yr-text);
}

.yr-buy__quote .yr-buy__row.is-current strong { color: var(--yr-primary); }

.yr-buy__me {
    display: inline-block;
    margin-left: 6px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--yr-primary);
    color: #fff;
    font-size: 10px;
    font-style: normal;
    font-weight: 600;
    line-height: 16px;
    vertical-align: 1px;
}

.yr-buy__hint--tip { margin-bottom: 12px; }

/* 会员引导卡 */
.yr-vip-offer {
    padding: 16px;
    border: 1px solid color-mix(in srgb, var(--yr-accent) 28%, var(--yr-border));
    border-radius: var(--yr-radius-sm);
    background:
        linear-gradient(160deg,
            color-mix(in srgb, var(--yr-accent) 9%, var(--yr-surface)) 0%,
            var(--yr-surface) 62%);
}

.yr-vip-offer__head {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    color: var(--yr-text);
}

.yr-vip-offer__head .yr-i { color: var(--yr-accent); }

.yr-vip-offer__price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin: 12px 0 0;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-vip-offer__price strong {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--yr-accent);
}

.yr-vip-offer__price em { font-style: normal; font-size: 12px; }

.yr-vip-offer__list {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin: 14px 0 16px;
    font-size: 12.5px;
    color: var(--yr-text-2);
}

.yr-vip-offer__list li {
    display: flex;
    align-items: center;
    gap: 6px;
}

.yr-vip-offer__list .yr-i { color: var(--yr-ok); }

/* ---------------------------------------------------------------- 侧栏资源信息 */
.yr-single-sideinfo__list {
    display: flex;
    flex-direction: column;
}

.yr-single-sideinfo__list > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--yr-border-2);
    font-size: 13px;
}

.yr-single-sideinfo__list > div:last-child { border-bottom: none; padding-bottom: 0; }
.yr-single-sideinfo__list dt { flex: none; color: var(--yr-text-3); font-size: 12.5px; }
.yr-single-sideinfo__list dd { margin: 0; text-align: right; color: var(--yr-text); font-weight: 600; word-break: break-word; }
.yr-single-sideinfo__list dd a { color: var(--yr-primary); font-weight: 600; }

/* ---------------------------------------------------------------- 标签云 */
.yr-single-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.yr-single-tags__label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-tags__item {
    padding: 3px 11px;
    border-radius: 999px;
    background: var(--yr-surface);
    border: 1px solid var(--yr-border);
    font-size: 12.5px;
    color: var(--yr-text-2);
}

.yr-single-tags__item:hover {
    border-color: var(--yr-primary);
    color: var(--yr-primary);
}

/* ---------------------------------------------------------------- 版权条 */
.yr-single-copy {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 16px;
    padding: 11px 14px;
    border-radius: var(--yr-radius-sm);
    background: var(--yr-surface-2);
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-copy .yr-i { flex: none; margin-top: 3px; }
.yr-single-copy p { margin: 0; }
.yr-single-copy a { color: var(--yr-primary); }

/* ---------------------------------------------------------------- 收藏 / 分享 */
.yr-single-social {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--yr-border-2);
}

.yr-single-social__label { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.yr-single-social__label strong { font-size: 13.5px; }
.yr-single-social__label span { font-size: 12px; color: var(--yr-text-3); }

.yr-single-social__btns {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.yr-single-social .yr-fav-btn {
    flex: none;
    width: auto;
    height: 34px;
    padding: 0 16px;
    font-size: 13px;
}

/* ---------------------------------------------------------------- 上下篇 */
.yr-single-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.yr-single-nav__item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
    padding: 14px 16px;
    background: var(--yr-surface);
    border: 1px solid var(--yr-border);
    border-radius: var(--yr-radius-sm);
}

.yr-single-nav__item:hover {
    border-color: color-mix(in srgb, var(--yr-primary) 40%, var(--yr-border));
}

.yr-single-nav__item--prev .yr-i { transform: rotate(180deg); }

.yr-single-nav__label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--yr-text-3);
}

.yr-single-nav__title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--yr-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.yr-single-nav__item--next { text-align: right; }
.yr-single-nav__item--next .yr-single-nav__label { justify-content: flex-end; }

/* ---------------------------------------------------------------- 相关推荐 */
.yr-single-related { margin-top: 26px; }

.yr-single-related__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.yr-single-related__title {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 17px;
}

.yr-single-related__title .yr-i { color: var(--yr-accent); }

.yr-single-related__more {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 12.5px;
    color: var(--yr-text-3);
}

.yr-single-related__more:hover { color: var(--yr-primary); }

/* 主栏宽度内两列展示，避免 4 张卡被压到 200px 以下 */
.yr-single-related .yr-grid-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

/* 购买卡与后续面板的间距 */
.yr-single__side .yr-buy + .yr-panel { margin-top: 18px; }

/* 评论面板与上方区块的间距 */
.yr-single__main > .yr-comments { margin-top: 24px; }

/* 锚点跳转到购买卡时避开吸顶导航 */
.yr-single__side { scroll-margin-top: calc(var(--yr-header-h) + 14px); }

/* ---------------------------------------------------------------- 移动端购买条 */
.yr-single-bar { display: none; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
    .yr-single-hero { grid-template-columns: minmax(0, 1fr) 280px; gap: 18px; }
}

@media (max-width: 860px) {
    /* 窄屏改为「正文在前、购买卡在后」，购买入口由底部固定条承担 */
    .yr-single__side { order: 0; }

    .yr-single-hero {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 18px 16px;
    }

    .yr-single-hero__thumb { aspect-ratio: 16 / 9; }
    .yr-single-hero__title { font-size: 20px; }

    .yr-single-bar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: calc(54px + env(safe-area-inset-bottom, 0px));
        z-index: 94;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 9px 14px;
        background: color-mix(in srgb, var(--yr-surface) 97%, transparent);
        border-top: 1px solid var(--yr-border);
        box-shadow: 0 -6px 20px rgba(20, 24, 33, .08);
        backdrop-filter: blur(12px);
    }

    .yr-single-bar__price {
        display: flex;
        flex-direction: column;
        gap: 1px;
        min-width: 0;
    }

    .yr-single-bar__price strong {
        font-size: 19px;
        font-weight: 800;
        line-height: 1.1;
        letter-spacing: -.02em;
        color: var(--yr-accent);
    }

    .yr-single-bar__price strong em {
        margin-left: 2px;
        font-size: 11px;
        font-style: normal;
        font-weight: 600;
        color: var(--yr-text-3);
    }

    .yr-single-bar__meta {
        font-size: 11px;
        color: var(--yr-text-3);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .yr-single-bar__btn {
        flex: none;
        height: 42px;
        padding: 0 18px;
        margin-left: auto;
        font-size: 14px;
    }

    body.yr-single-resource { padding-bottom: 126px; }
}

@media (max-width: 560px) {
    .yr-single-hero__title { font-size: 18.5px; }
    .yr-single-social__label { display: none; }
    .yr-single-social__btns { width: 100%; }
    .yr-single-social__btns .yr-btn { flex: 1; }
    .yr-single-files__table th:nth-child(3),
    .yr-single-files__table td:nth-child(3) { display: none; }
    .yr-single-nav { grid-template-columns: 1fr; }
}