/* ============================================================
 * hub.css · 官方工具 / 下载中心 统一 v2 设计
 * 深色玻璃拟态 + 卡片网格；桌面左右分栏，移动端单列紧凑
 * 前缀 hb-，不覆盖 theme.css 既有类
 * ============================================================ */

.hb-page {
    --hb-line: rgba(255, 255, 255, .08);
    --hb-card: rgba(255, 255, 255, .035);
    --hb-card-hover: rgba(255, 255, 255, .065);
    padding: 18px 0 40px;
}

/* ---------- Hero ---------- */
.hb-hero {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    padding: 26px 26px 24px;
    border: 1px solid var(--hb-line);
    background:
        radial-gradient(120% 140% at 0% 0%, rgba(var(--xh-primary-rgb), .22), transparent 58%),
        radial-gradient(100% 130% at 100% 0%, rgba(var(--xh-primary-2-rgb), .18), transparent 60%),
        var(--hb-card);
    display: flex;
    gap: 22px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.hb-hero-txt { min-width: 240px; flex: 1 1 320px; }
.hb-eyebrow {
    display: inline-block;
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
    padding: 4px 10px;
    border: 1px solid var(--hb-line);
    border-radius: 999px;
    margin-bottom: 12px;
}
.hb-hero h1 {
    margin: 0 0 8px;
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: -.01em;
}
.hb-hero p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.7; max-width: 620px; }

.hb-search { display: flex; gap: 8px; width: 100%; max-width: 380px; }
.hb-search input {
    flex: 1;
    height: 42px;
    padding: 0 14px;
    border-radius: 11px;
    border: 1px solid var(--hb-line);
    background: rgba(9, 13, 24, .6);
    color: var(--text);
    font-size: 13.5px;
    outline: none;
}
.hb-search input:focus { border-color: rgba(var(--xh-primary-rgb), .6); }
.hb-search button {
    height: 42px;
    padding: 0 18px;
    border-radius: 11px;
    border: 0;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    color: #06122a;
    background: linear-gradient(135deg, var(--xh-primary), var(--xh-primary-2));
}

/* ---------- 布局 ---------- */
.hb-body {
    display: grid;
    grid-template-columns: 208px 1fr;
    gap: 20px;
    margin-top: 20px;
    align-items: start;
}

/* 分类侧栏 */
.hb-side {
    position: sticky;
    top: 82px;
    border: 1px solid var(--hb-line);
    border-radius: 14px;
    background: var(--hb-card);
    padding: 12px;
}
.hb-side h4 {
    margin: 2px 0 10px;
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--muted);
    text-transform: uppercase;
}
.hb-cat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 10px;
    border-radius: 9px;
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    transition: background .18s ease, color .18s ease;
}
.hb-cat span { color: var(--muted); font-size: 11.5px; }
.hb-cat:hover { background: rgba(255, 255, 255, .06); }
.hb-cat.on {
    background: linear-gradient(120deg, rgba(var(--xh-primary-rgb), .26), rgba(var(--xh-primary-2-rgb), .16));
    color: #fff;
    font-weight: 600;
}
.hb-cat.on span { color: rgba(255, 255, 255, .8); }

/* 移动端分类胶囊 */
.hb-chips { display: none; gap: 8px; overflow-x: auto; padding: 2px 0 8px; margin-top: 14px; }
.hb-chips::-webkit-scrollbar { display: none; }
.hb-chip {
    flex: 0 0 auto;
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--hb-line);
    background: var(--hb-card);
    font-size: 12.5px;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
}
.hb-chip.on {
    border-color: transparent;
    background: linear-gradient(120deg, var(--xh-primary), var(--xh-primary-2));
    color: #06122a;
    font-weight: 600;
}

/* ---------- 工具条 ---------- */
.hb-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.hb-bar b { font-size: 15px; }
.hb-bar .hb-count { color: var(--muted); font-size: 12.5px; }
.hb-sorts { display: flex; gap: 6px; }
.hb-sorts a {
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--hb-line);
    font-size: 12.5px;
    color: var(--muted);
    text-decoration: none;
}
.hb-sorts a.on { color: #fff; border-color: rgba(var(--xh-primary-rgb), .55); background: rgba(var(--xh-primary-rgb), .16); }

/* ---------- 卡片网格 ---------- */
.hb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
    gap: 14px;
}
.hb-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 16px 14px;
    border-radius: 14px;
    border: 1px solid var(--hb-line);
    background: var(--hb-card);
    text-decoration: none;
    color: var(--text);
    transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
    overflow: hidden;
}
.hb-card::after {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, var(--xh-primary), var(--xh-primary-2));
    opacity: 0;
    transition: opacity .18s ease;
}
.hb-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--xh-primary-rgb), .42);
    background: var(--hb-card-hover);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .28);
}
.hb-card:hover::after { opacity: 1; }

.hb-card-top { display: flex; align-items: center; gap: 11px; }
.hb-ico {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    font-size: 16px;
    font-weight: 700;
    color: #06122a;
    background: linear-gradient(135deg, var(--xh-primary), var(--xh-primary-2));
    box-shadow: 0 6px 16px rgba(0, 0, 0, .25);
}
.hb-ico.t2 { background: linear-gradient(135deg, #7cf5c8, #46b8ff); }
.hb-ico.t3 { background: linear-gradient(135deg, #ffd480, #ff8fa3); }
.hb-ico.t4 { background: linear-gradient(135deg, #b39cff, #6fb3ff); }
.hb-name { min-width: 0; }
.hb-name b {
    display: block;
    font-size: 14px;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hb-name i { display: block; font-size: 11.5px; color: var(--muted); font-style: normal; margin-top: 2px; }
.hb-desc {
    margin: 0;
    font-size: 12.8px;
    line-height: 1.6;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 41px;
}
.hb-foot {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: auto;
}
.hb-tag {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid var(--hb-line);
    color: var(--muted);
}
.hb-tag.hot { color: #ffd480; border-color: rgba(255, 212, 128, .35); }
.hb-tag.vip { color: #ff9fb0; border-color: rgba(255, 143, 163, .35); }
.hb-tag.cloud { color: #8fd8ff; border-color: rgba(143, 216, 255, .35); }
.hb-go {
    margin-left: auto;
    font-size: 12px;
    color: var(--xh-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.hb-empty {
    padding: 48px 20px;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--hb-line);
    border-radius: 14px;
    font-size: 13.5px;
}

/* 分页 */
.hb-pager { display: flex; gap: 6px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.hb-pager a {
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    border: 1px solid var(--hb-line);
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
}
.hb-pager a.on { background: linear-gradient(120deg, var(--xh-primary), var(--xh-primary-2)); color: #06122a; border-color: transparent; font-weight: 600; }

/* 工具页统计条 */
.hb-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}
.hb-stat {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--hb-line);
    background: var(--hb-card);
}
.hb-stat b { display: block; font-size: 19px; }
.hb-stat span { font-size: 11.5px; color: var(--muted); }

/* ---------- 移动端：单列、紧凑、模块化 ---------- */
@media (max-width: 820px) {
    .hb-page { padding: 12px 0 26px; }
    .hb-hero { padding: 18px 16px; border-radius: 14px; }
    .hb-hero h1 { font-size: 21px; }
    .hb-hero p { font-size: 12.5px; }
    .hb-search { max-width: none; }
    .hb-body { grid-template-columns: 1fr; gap: 0; margin-top: 14px; }
    .hb-side { display: none; }
    .hb-chips { display: flex; }
    .hb-grid { grid-template-columns: 1fr; gap: 10px; }
    .hb-card { padding: 14px; }
    .hb-desc { min-height: 0; -webkit-line-clamp: 2; }
    .hb-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .hb-stat { padding: 10px; }
    .hb-stat b { font-size: 16px; }
}