/* ══════════ 内容区：书斋宣纸 ══════════ */
.jch-paper {
    position: relative;
    z-index: 2;
    margin-top: -30px;
    border-radius: 30px 30px 0 0;
    background: var(--paper);
}

.jch-section {
    max-width: 1160px;
    margin: 0 auto;
    padding: 58px 20px 10px;
}

.jch-head { text-align: center; margin-bottom: 38px; }

.jch-head h2 {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin: 0;
    font-family: var(--serif);
    font-size: 29px;
    font-weight: 600;
    letter-spacing: 6px;
    color: var(--ink);
}

.jch-head h2::before,
.jch-head h2::after {
    content: "";
    width: 52px;
    height: 1px;
}

.jch-head h2::before { background: linear-gradient(90deg, transparent, var(--cinnabar)); }
.jch-head h2::after  { background: linear-gradient(90deg, var(--cinnabar), transparent); }

.jch-head p {
    margin: 12px 0 0 0;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--ink-light);
}

/* ══════════ 统计条（叠压 Hero 下缘） ══════════ */
.jch-stats {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: -52px;
    background: linear-gradient(135deg, var(--night-2) 0%, var(--night-3) 100%);
    border: 1px solid rgba(212,175,95,.35);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.jch-stat {
    padding: 22px 12px;
    border-left: 1px solid rgba(212,175,95,.18);
    text-align: center;
}

.jch-stat:first-child { border-left: 0; }

.jch-stat-value {
    display: block;
    font-family: var(--serif);
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--gold);
}

.jch-stat-label {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(233,228,216,.65);
}

/* ══════════ 三大服务模块 ══════════ */
.jch-module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.jch-module-card {
    position: relative;
    overflow: hidden;
    padding: 26px 24px;
    background: var(--paper-light);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

.jch-module-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--mod-accent, var(--cinnabar));
}

.jch-module-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.jch-module-card.is-cinnabar { --mod-accent: #a8382e; }
.jch-module-card.is-indigo   { --mod-accent: #3e5c76; }
.jch-module-card.is-jade     { --mod-accent: #3f7a4d; }

.jch-module-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.jch-module-seal {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 54px;
    width: 54px;
    height: 54px;
    border-radius: 13px;
    background: var(--mod-accent, var(--cinnabar));
    color: #fdfbf6;
    font-size: 26px;
    box-shadow: 0 4px 12px rgba(44,44,58,.18);
}

.jch-module-head h3 {
    margin: 0 0 6px 0;
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--ink);
}

.jch-module-head p {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--ink-light);
}

.jch-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.jch-chip {
    padding: 5px 12px;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    background: var(--paper-warm);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--ink-soft);
    transition: all .25s;
}

.jch-chip:hover {
    border-color: var(--mod-accent, var(--cinnabar));
    color: var(--mod-accent, var(--cinnabar));
    background: var(--paper-light);
}

.jch-module-entry {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px dashed var(--line);
}

.jch-module-entry a {
    padding: 6px 15px;
    border: 1px solid var(--mod-accent, var(--cinnabar));
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--mod-accent, var(--cinnabar));
    text-decoration: none;
    transition: all .25s;
}

.jch-module-entry a:hover {
    background: var(--mod-accent, var(--cinnabar));
    color: #fdfbf6;
}

/* ══════════ 下载区 ══════════ */
.jch-band {
    margin-top: 48px;
    padding-bottom: 8px;
    background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper-light) 100%);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

/* 下载矩阵表格（PC 优先） */
.jch-matrix {
    overflow: hidden;
    background: var(--paper-light);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.jch-matrix-head,
.jch-matrix-row {
    display: grid;
    grid-template-columns: 1.3fr 1.2fr .8fr;
    align-items: center;
    gap: 0;
    padding: 0;
}

.jch-matrix-head {
    background: linear-gradient(135deg, var(--paper-warm) 0%, var(--paper-light) 100%);
    font-family: var(--serif);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--ink-soft);
}

.jch-matrix-head > span {
    padding: 14px 28px;
}

.jch-matrix-head > span + span {
    border-left: 1px solid var(--line-soft);
    text-align: center;
}

.jch-matrix-row {
    border-top: 1px dashed var(--line-soft);
    transition: background .25s;
}

.jch-matrix-row:hover { background: var(--paper-warm); }

.jch-matrix-app {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 28px;
}

.jch-matrix-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 28px;
    border-left: 1px solid var(--line-soft);
    align-self: stretch;
}

.jch-cell-label {
    display: none;
    margin-right: 2px;
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--ink-light);
}

.jch-app-glyph {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 46px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--ink);
    color: var(--gold-soft);
    font-size: 22px;
}

.jch-matrix-app h4 {
    margin: 0 0 3px 0;
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--ink);
}

.jch-app-tag {
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--ink-light);
}


.jch-dl-btn {
    display: inline-block;
    min-width: 170px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--ink);
    font-size: 12px;
    letter-spacing: .5px;
    color: #f7f3ec;
    text-align: center;
    text-decoration: none;
    transition: background .25s;
}

a.jch-dl-btn:hover { background: var(--cinnabar); }

.jch-dl-btn.is-muted {
    background: var(--paper-warm);
    border: 1px dashed var(--line);
    color: var(--ink-light);
    cursor: not-allowed;
}

.jch-dl-soon {
    min-width: 170px;
    padding: 6px 14px;
    border: 1px solid rgba(184,134,11,.28);
    border-radius: 999px;
    background: rgba(184,134,11,.08);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--amber);
    text-align: center;
}

.jch-dl-btn,
.jch-dl-soon {
    box-sizing: border-box;
}

/* Skill 卡内按钮不限宽，避免撑破横向布局 */
.jch-skill-card .jch-dl-btn {
    min-width: 0;
    white-space: nowrap;
}

/* Skill 资源包 */
.jch-sub-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 42px 0 18px;
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--ink);
}

.jch-sub-head::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--cinnabar);
    transform: rotate(45deg);
}

.jch-skill-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.jch-skill-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: var(--paper-light);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

.jch-skill-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.jch-skill-info { flex: 1 1 240px; }

.jch-skill-info h4 {
    margin: 0 0 5px 0;
    font-family: var(--serif);
    font-size: 16px;
    letter-spacing: 2px;
    color: var(--ink);
}

.jch-skill-info p {
    margin: 0;
    font-size: 12px;
    line-height: 1.7;
    color: var(--ink-light);
}