/*
 * 虫虫开发者社区 - 全新中文极客社区首页样式表 (稀土掘金式三栏工作流 + 顶部六宫格资料库直达条)
 * Strictly <= 300 lines per FRONTEND_STANDARDS.md
 */
.jx-home { max-width: var(--ee-width); margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }

/* 第一区：顶部单行 6 列核心资料库直达看板 */
.jx-metric-bar {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
}
.jx-metric-card {
    display: flex; align-items: center; gap: 12px; padding: 13px 14px; background: #ffffff;
    border: 1px solid var(--ee-color-line); border-radius: 8px; box-shadow: var(--ee-shadow-xs); transition: all 0.16s ease;
}
.jx-metric-card:hover { border-color: var(--ee-color-brand-border); transform: translateY(-2px); box-shadow: var(--ee-shadow-sm); }
.jx-metric-card__icon { width: 40px; height: 40px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.jx-icon--blue { background: #eaf2ff; color: #1e80ff; }
.jx-icon--indigo { background: #eef2ff; color: #4f46e5; }
.jx-icon--rose { background: #fff0f6; color: #eb2f96; }
.jx-icon--green { background: #e8ffea; color: #00b42a; }
.jx-icon--amber { background: #fff7e8; color: #ff7d00; }
.jx-icon--cyan { background: #e8f7ff; color: #0fc6c2; }
.jx-metric-card__info strong { display: block; font-size: 16px; font-weight: 700; color: var(--ee-color-ink); line-height: 1.25; }
.jx-metric-card__info span { font-size: 12.5px; color: var(--ee-color-muted); }

/* 第二区：稀土掘金式三栏核心工作流 (左 210px · 中 1fr · 右 290px) */
.jx-workspace { display: grid; grid-template-columns: 210px minmax(0, 1fr) 290px; gap: 16px; align-items: start; }

/* 左栏：粘性垂直分类导航栏 */
.jx-sidenav {
    position: sticky; top: 118px; background: #ffffff; border: 1px solid var(--ee-color-line);
    border-radius: 8px; padding: 10px 8px; box-shadow: var(--ee-shadow-xs);
}
.jx-sidenav__hd { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px 10px; border-bottom: 1px solid var(--ee-color-line); font-size: 14px; font-weight: 600; color: var(--ee-color-ink); }
.jx-sidenav__hd i { color: var(--ee-color-brand); margin-right: 5px; }
.jx-sidenav__hd a { font-size: 12px; font-weight: 400; color: var(--ee-color-muted) !important; }
.jx-sidenav__list { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.jx-sidenav__list a {
    display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px;
    border-radius: 6px; color: var(--ee-color-text) !important; font-size: 13.5px; transition: all 0.14s ease;
}
.jx-sidenav__list a i { width: 14px; text-align: center; color: var(--ee-color-muted); font-size: 13px; }
.jx-sidenav__list a:hover, .jx-sidenav__list a.is-active { background: var(--ee-color-brand-soft); color: var(--ee-color-brand) !important; font-weight: 500; }
.jx-sidenav__list a:hover i, .jx-sidenav__list a.is-active i { color: var(--ee-color-brand); }
.jx-sidenav__more { display: none; padding-top: 4px; border-top: 1px dashed var(--ee-color-line); }
.jx-sidenav__more.is-open { display: flex; }
.jx-sidenav__toggle { width: 100%; margin-top: 8px; height: 32px; border: 1px solid var(--ee-color-line); border-radius: 6px; background: #f7f8fa; color: var(--ee-color-text); font-size: 12.5px; cursor: pointer; }
.jx-sidenav__toggle:hover { background: var(--ee-color-brand-soft); color: var(--ee-color-brand); border-color: var(--ee-color-brand-border); }

/* 中栏：四宫格专题带 + 掘金式信息流 */
.jx-main { min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.jx-topic-strip, .jx-feed-card, .jx-side-card { background: #ffffff; border: 1px solid var(--ee-color-line); border-radius: 8px; box-shadow: var(--ee-shadow-xs); overflow: hidden; }
.jx-section-bar, .jx-side-card__hd { padding: 13px 18px; border-bottom: 1px solid var(--ee-color-line); display: flex; align-items: center; justify-content: space-between; }
.jx-section-bar__title, .jx-side-card__title { margin: 0; font-size: 15px; font-weight: 600; color: var(--ee-color-ink); display: inline-flex; align-items: center; gap: 7px; }
.jx-section-bar__title i, .jx-side-card__title i { color: var(--ee-color-brand); }
.jx-section-bar__more, .jx-side-card__more, .jx-feed-card__more { font-size: 12.5px; color: var(--ee-color-muted) !important; }
.jx-section-bar__more:hover, .jx-side-card__more:hover, .jx-feed-card__more:hover { color: var(--ee-color-brand) !important; }

.jx-topic-grid { padding: 14px 16px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.jx-topic-card { border: 1px solid var(--ee-color-line); border-radius: 8px; overflow: hidden; background: #f7f8fa; display: flex; flex-direction: column; transition: all 0.16s ease; }
.jx-topic-card:hover { border-color: var(--ee-color-brand-border); background: #ffffff; transform: translateY(-2px); box-shadow: var(--ee-shadow-sm); }
.jx-topic-card__cover { position: relative; height: 76px; background: linear-gradient(135deg, #1d2129 0%, #272e3b 100%); overflow: hidden; }
.jx-topic-card__cover img { width: 100%; height: 100%; object-fit: cover; opacity: 0.78; }
.jx-topic-card__badge { position: absolute; left: 8px; top: 8px; padding: 1px 7px; border-radius: 4px; background: rgba(30, 128, 255, 0.9); color: #ffffff; font-size: 11px; font-weight: 500; }
.jx-topic-card__body { padding: 10px 12px; flex: 1; }
.jx-topic-card__title { margin: 0 0 4px; font-size: 13.5px; font-weight: 600; color: var(--ee-color-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.jx-topic-card__desc { margin: 0; font-size: 12px; color: var(--ee-color-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }

/* 掘金式信息流卡片 */
.jx-feed-card__hd { padding: 0 18px; height: 48px; border-bottom: 1px solid var(--ee-color-line); display: flex; align-items: center; justify-content: space-between; }
.jx-tabs { display: flex; align-items: center; gap: 6px; height: 100%; }
.jx-tab { position: relative; height: 100%; padding: 0 12px; border: 0; background: transparent; color: var(--ee-color-text); font-size: 14px; font-weight: 500; cursor: pointer; }
.jx-tab:hover { color: var(--ee-color-brand); }
.jx-tab.v2-tabs__item--active { color: var(--ee-color-brand); font-weight: 600; }
.jx-tab.v2-tabs__item--active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--ee-color-brand); }
.v2-tab-panel { display: none; }
.v2-tab-panel--active { display: block; }

.jx-feed-list { list-style: none; margin: 0; padding: 0; }
.jx-item { padding: 16px 20px; border-bottom: 1px solid var(--ee-color-line); transition: background 0.14s ease; }
.jx-item:last-child { border-bottom: 0; }
.jx-item:hover { background: #fafafa; }
.jx-item__meta-top { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; font-size: 12.5px; color: var(--ee-color-muted); }
.jx-item__type { display: inline-flex; align-items: center; gap: 4px; padding: 1px 7px; border-radius: 4px; font-size: 12px; font-weight: 500; background: #eaf2ff; color: #1e80ff; }
.jx-item__type.v2-res-item__icon--pdf { background: #ffece8; color: #f53f3f; }
.jx-item__type.v2-res-item__icon--zip { background: #fff7e8; color: #ff7d00; }
.jx-item__type.v2-res-item__icon--code { background: #e8ffea; color: #009a29; }
.jx-item__dot { color: var(--ee-color-subtle); }
.jx-item__title { margin: 0 0 6px; font-size: 16px; font-weight: 600; line-height: 1.5; display: flex; align-items: center; gap: 8px; }
.jx-item__title a { color: var(--ee-color-ink) !important; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.jx-item__title a:hover { color: var(--ee-color-brand) !important; }
.jx-item__desc { margin: 0 0 10px; font-size: 13.5px; color: var(--ee-color-text); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.jx-item__footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.jx-item__tags { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.jx-tag { padding: 2px 9px; border-radius: 4px; background: #f2f3f5; color: var(--ee-color-text) !important; font-size: 12px; }
.jx-tag:hover { background: var(--ee-color-brand-soft); color: var(--ee-color-brand) !important; }
.jx-item__btn { font-size: 12.5px; color: var(--ee-color-brand) !important; font-weight: 500; white-space: nowrap; flex-shrink: 0; }

/* 右栏：工作台与榜单 */
.jx-aside { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.jx-workbench { padding: 16px; }
.jx-workbench__title { margin: 0; font-size: 15px; font-weight: 600; color: var(--ee-color-ink); }
.jx-workbench__sub { margin: 4px 0 12px; font-size: 12.5px; color: var(--ee-color-muted); line-height: 1.55; }
.jx-workbench__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.jx-wb-btn { height: 34px; border-radius: 6px; font-size: 13px; font-weight: 500; display: inline-flex; align-items: center; justify-content: center; gap: 5px; border: 1px solid var(--ee-color-brand-border); background: var(--ee-color-brand-soft); color: var(--ee-color-brand) !important; }
.jx-wb-btn--primary { background: var(--ee-color-brand); border-color: var(--ee-color-brand); color: #ffffff !important; }
.jx-wb-btn--primary:hover { background: var(--ee-color-brand-dark); color: #ffffff !important; }
.jx-workbench__tools { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--ee-color-line); }
.jx-workbench__tools a { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-radius: 5px; background: #f7f8fa; color: var(--ee-color-text) !important; font-size: 12.5px; }
.jx-workbench__tools a i { color: var(--ee-color-brand); width: 14px; text-align: center; }
.jx-workbench__tools a:hover { background: var(--ee-color-brand-soft); color: var(--ee-color-brand) !important; }
.jx-workbench__live { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--ee-color-line); font-size: 12.5px; }
.jx-workbench__live-hd { font-weight: 600; color: var(--ee-color-ink); margin-bottom: 6px; font-size: 12.5px; }
.jx-workbench__live-hd i { color: var(--ee-color-brand); margin-right: 4px; }
.jx-workbench__live-row { display: flex; align-items: center; gap: 5px; padding: 3px 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ee-color-muted); }
.jx-workbench__user { color: var(--ee-color-ink); font-weight: 500; flex-shrink: 0; }
.jx-workbench__live-row a { overflow: hidden; text-overflow: ellipsis; color: var(--ee-color-text) !important; }

.jx-rank-list { list-style: none; margin: 0; padding: 6px 0; }
.jx-rank-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 16px; color: var(--ee-color-text) !important; font-size: 13.5px; }
.jx-rank-list a:hover { background: #f7f8fa; color: var(--ee-color-brand) !important; }
.jx-rank-list__txt { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.jx-rank-list__meta { font-size: 12px; color: var(--ee-color-muted); flex-shrink: 0; }
.jx-rank-list__meta--blue { color: var(--ee-color-brand); font-weight: 500; }
.jx-rank-num { width: 20px; height: 20px; border-radius: 4px; background: #f2f3f5; color: var(--ee-color-muted); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.jx-rank-num--1 { background: #f53f3f; color: #ffffff; }
.jx-rank-num--2 { background: #ff7d00; color: #ffffff; }
.jx-rank-num--3 { background: #ffb400; color: #ffffff; }
.jx-tag-cloud { padding: 12px 14px; display: flex; flex-wrap: wrap; gap: 6px; }

/* 第三区：底部四栏看板与友情链接 */
.jx-channels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.jx-friend-bar { padding: 12px 18px; font-size: 13px; color: var(--ee-color-muted); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.jx-friend-bar__group { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.jx-friend-bar__group strong { color: var(--ee-color-ink); }
.jx-friend-bar__group strong i { color: var(--ee-color-brand); }

@media (max-width: 1100px) {
    .jx-metric-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .jx-workspace { grid-template-columns: 1fr; }
    .jx-sidenav { position: static; }
    .jx-sidenav__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .jx-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .jx-metric-bar, .jx-sidenav__list, .jx-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .jx-channels { grid-template-columns: 1fr; }
}
.jx-item__author, .jx-item__size { color: var(--ee-color-muted); font-size: 12.5px; }
.jx-workbench__top { margin-bottom: 4px; }
.jx-item__type.v2-res-item__icon--ebook { background: #eef2ff; color: #4f46e5; }