/* ============================================================
   业务版图 — Swiss Ledger 单据纸本
   页首快照 · 2×2 牌面 · 3×2 墨线网格 · 竖向四步 · 双列账簿
   ============================================================ */

/* ---------- 01 页首 ---------- */
.page-head { border-bottom: none; }
.bz-line { margin-bottom: 18px; }

.snapshot {
    border: 1px solid var(--ink);
    background: var(--card);
    padding: 20px 22px;
}
.snapshot-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ink);
    margin-bottom: 6px;
}
.snapshot-title {
    font-family: var(--font-display);
    font-size: 16.5px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
}
.snapshot .spec-val { text-align: right; }
.snapshot-note { display: block; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--ink-3); }

/* ---------- 02 四大板块牌面 ---------- */
.plate-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--ink);
}
.plate {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--line-2);
    border-right: 1px solid var(--line-2);
    transition: box-shadow var(--t-med), transform var(--t-med), background var(--t-med);
}
.plate:nth-child(even) { border-right: none; }
.plate:hover {
    background: var(--card);
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-off);
}
.plate-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 15px 22px;
    background: var(--ink);
    color: var(--on-ink);
}
.plate-idx { font-size: 11px; letter-spacing: 0.14em; color: var(--signal); }
.plate-name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--on-ink);
}
.plate-body { padding: 24px 22px 26px; }
.plate-body p { font-size: 15px; line-height: 1.85; color: var(--ink-2); max-width: 54ch; }

/* ---------- 03 渠道打法网格 ---------- */
.ops-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--ink);
    margin-bottom: clamp(32px, 4vw, 48px);
}
.ops-cell {
    display: flex;
    flex-direction: column;
    padding: 26px 24px 24px;
    border-bottom: 1px solid var(--line-2);
    border-right: 1px solid var(--line-2);
    transition: background var(--t-fast);
}
.ops-cell:nth-child(3n) { border-right: none; padding-right: 0; }
.ops-cell:hover { background: var(--paper); }
.ops-idx { font-size: 11px; color: var(--ink-3); letter-spacing: 0.14em; }
.ops-name {
    margin-top: 12px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.4;
    color: var(--ink);
}
.ops-ch {
    display: block;
    margin-top: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line-2);
    font-size: 10px;
    color: var(--signal);
}
.ops-cell p { margin-top: 14px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.ops-label { margin-top: auto; align-self: flex-start; padding-top: 20px; }

.ops-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    align-items: center;
    gap: 0 24px;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
}
.ops-metric {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 22px 22px 0;
    border-left: 1px solid var(--line-2);
    padding-left: 22px;
}
.ops-metric:first-child { border-left: none; padding-left: 0; }

/* ---------- 04 品牌出海梯级 ---------- */
.ladder { border-top: 1px solid var(--ink); }
.rung {
    display: grid;
    grid-template-columns: minmax(0, 110px) minmax(0, 1fr);
    gap: 22px 34px;
    padding: 26px 0;
    border-bottom: 1px solid var(--line-2);
    transition: padding-left var(--t-fast);
}
.rung:hover { padding-left: 10px; }
.rung-num {
    font-family: var(--font-mono);
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 500;
    line-height: 0.85;
    letter-spacing: -0.05em;
    color: var(--ink);
    transition: color var(--t-fast);
}
.rung:hover .rung-num { color: var(--signal); }
.rung-title {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--ink);
}
.rung-text { margin-top: 8px; font-size: 15px; line-height: 1.85; color: var(--ink-2); max-width: 70ch; }

/* ---------- 05 双列账簿 ---------- */
.flow-cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(30px, 4vw, 56px);
    margin-bottom: clamp(32px, 4vw, 48px);
}
.flow-col { display: flex; flex-direction: column; }
.flow-col-head {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--ink);
    margin-bottom: 4px;
}
.flow-icon { color: var(--signal); font-size: 15px; }
.flow-col-title {
    font-family: var(--font-display);
    font-size: 18.5px;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--ink);
}
.flow-col-head .label { margin-left: auto; }
.flow-ledger { border-top: none; }
.flow-ledger .ledger-row { grid-template-columns: 40px minmax(0, 1fr); gap: 18px; padding: 20px 0; }
.flow-ledger .ledger-title { font-size: 16.5px; }
.flow-ledger .ledger-meta { display: inline-block; margin-top: 10px; color: var(--signal); font-size: 10px; }
.flow-ledger .ledger-row:last-child { border-bottom: 1px solid var(--line-2); }
.flow-ledger .ledger-row:hover { background: transparent; padding-left: 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .plate-grid { grid-template-columns: 1fr; }
    .plate { border-right: none; }
    .ops-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ops-cell:nth-child(3n) { border-right: 1px solid var(--line-2); padding-right: 24px; }
    .ops-cell:nth-child(even) { border-right: none; padding-right: 0; }
    .ops-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
    .ops-strip .btn { grid-column: 1 / -1; justify-self: start; margin: 18px 0 22px; }
    .flow-cols { grid-template-columns: 1fr; gap: 0; }
    .flow-col + .flow-col { margin-top: 36px; }
}

@media (max-width: 768px) {
    .ops-grid { grid-template-columns: 1fr; }
    .ops-cell, .ops-cell:nth-child(3n), .ops-cell:nth-child(even) { border-right: none; padding-right: 0; }
    .rung { grid-template-columns: 58px minmax(0, 1fr); gap: 14px; }
    .ops-strip { grid-template-columns: 1fr; }
    .ops-metric { border-left: none; padding-left: 0; border-top: 1px solid var(--line-2); }
    .ops-metric:first-child { border-top: none; }
    .plate-head { flex-wrap: wrap; gap: 8px; }
    .flow-ledger .ledger-row { grid-template-columns: 34px minmax(0, 1fr); gap: 12px; }
}