/* ==========================================================================
   business.html — 核心業務
   版式：能力快照 + 四大板塊橫列 + 渠道分組 + 服務並列 + 供應鏈對照
   ========================================================================== */

/* ---------- 01 頁首 ---------- */
.bz-hero {
    padding: clamp(44px, 5.5vw, 76px) 0 clamp(52px, 6vw, 84px);
    background:
        radial-gradient(ellipse 55% 65% at 10% 0%, rgba(180, 69, 46, 0.06), transparent 70%),
        var(--paper);
}
.bz-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 56px 60px;
    align-items: start;
}
.bz-path { margin-bottom: 24px; }
.bz-hero h1 {
    font-size: clamp(37px, 5vw, 62px);
    line-height: 1.14;
}
.bz-hero h1 span { display: block; }
.bz-lead {
    margin: 26px 0 22px;
    max-width: 52ch;
    font-family: var(--serif);
    font-size: clamp(16.5px, 1.6vw, 19px);
    line-height: 1.9;
    color: var(--ink-2);
}
.bz-hero-actions { display: flex; align-items: center; gap: 22px; }

.bz-snapshot {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 14px 14px 0 -2px var(--jade-wash);
}
.bz-snapshot-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--pine);
    color: var(--on-dark);
    font-size: 13px;
    letter-spacing: 0.08em;
    border-radius: 2px 2px 0 0;
}
.bz-snapshot-head span:last-child {
    font-family: var(--serif);
    color: var(--jade-wash);
}
.bz-snapshot-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 24px;
    border-bottom: 1px solid var(--line-soft);
}
.bz-snapshot-list li span { font-size: 13.5px; color: var(--muted); }
.bz-snapshot-list li strong {
    font-family: var(--serif);
    font-size: 25px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.bz-unit { font-size: 13px; color: var(--muted); margin-left: 3px; }
.bz-snapshot-note {
    padding: 16px 24px 18px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--muted-soft);
}

/* ---------- 02 四大板塊 ---------- */
.bz-pillars { border-bottom: 1px solid var(--line); }
.bz-pillar {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.42fr) minmax(0, 0.92fr);
    gap: 24px 44px;
    align-items: start;
    padding: 32px 0;
    border-top: 1px solid var(--line);
    transition: background var(--t-fast);
}
.bz-pillar:hover { background: rgba(216, 227, 214, 0.32); }
.bz-pillar-title h3 {
    font-size: clamp(23px, 2.5vw, 29px);
    margin-bottom: 10px;
}
.bz-count {
    font-size: 12.5px;
    color: var(--seal);
    letter-spacing: 0.06em;
}
.bz-pillar-body {
    font-size: 15px;
    line-height: 1.95;
    color: var(--ink-2);
    max-width: 54ch;
}
.bz-points { display: flex; flex-direction: column; gap: 10px; }
.bz-points li {
    position: relative;
    padding-left: 18px;
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--muted);
}
.bz-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 9px;
    height: 2px;
    background: var(--seal);
}

/* ---------- 03 平台運營 ---------- */
.bz-ops {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 44px 64px;
    align-items: start;
}
.bz-ops-aside {
    position: sticky;
    top: calc(var(--nav-height) + 40px);
    padding-left: 22px;
    border-left: 2px solid var(--seal);
}
.bz-ops-stat + .bz-ops-stat {
    margin-top: 26px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
}
.bz-groups { border-bottom: 1px solid var(--line); }
.bz-group {
    padding: 26px 0 30px;
    border-top: 1px solid var(--line);
}
.bz-group-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}
.bz-group-head h3 {
    font-size: clamp(24px, 2.6vw, 31px);
    letter-spacing: 0.01em;
}
.bz-detail {
    display: grid;
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 20px 28px;
    padding: 13px 0;
    border-top: 1px solid var(--line-soft);
}
.bz-detail-key {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--seal);
    line-height: 1.7;
}
.bz-detail p {
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--ink-2);
    max-width: 62ch;
}

/* ---------- 04 品牌出海 ---------- */
.bz-services {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 2px solid var(--ink);
    border-bottom: 1px solid var(--line);
}
.bz-service {
    padding: 26px 24px 30px;
    border-left: 1px solid var(--line);
}
.bz-service:first-child { border-left: none; padding-left: 0; }
.bz-service h3 {
    font-size: clamp(19px, 1.9vw, 22px);
    margin-bottom: 12px;
}
.bz-service p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--ink-2);
    max-width: 36ch;
}

/* ---------- 05 供應鏈 ---------- */
.bz-chain {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 44px 64px;
    align-items: start;
}
.bz-chain-aside {
    position: sticky;
    top: calc(var(--nav-height) + 40px);
}
.bz-chain-ledger > div {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
}
.bz-chain-ledger > div:first-child { padding-top: 0; }
.bz-chain-aside .tlink { margin-top: 22px; }
.bz-chain-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 44px;
}
.bz-chain-group h3 {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
    font-size: clamp(19px, 2vw, 22px);
}
.bz-chain-group h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45em;
    width: 7px;
    height: 7px;
    background: var(--seal);
}
.bz-chain-rows { border-bottom: 1px solid var(--line); }
.bz-chain-row {
    padding: 15px 0;
    border-top: 1px solid var(--line);
}
.bz-chain-row > span {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}
.bz-chain-row p {
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--muted);
}

/* ---------- 響應式 ---------- */
@media (max-width: 1024px) {
    .bz-hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .bz-snapshot { box-shadow: 9px 9px 0 -2px var(--jade-wash); }
    .bz-pillar {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 26px 0;
    }
    .bz-pillar-title { display: flex; align-items: baseline; gap: 16px; }
    .bz-pillar-title h3 { margin-bottom: 0; }
    .bz-ops { grid-template-columns: 1fr; gap: 32px; }
    .bz-ops-aside {
        position: static;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        padding-left: 0;
        padding-top: 18px;
        border-left: none;
        border-top: 2px solid var(--seal);
    }
    .bz-ops-stat + .bz-ops-stat {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        border-left: 1px solid var(--line);
        padding-left: 18px;
    }
    .bz-services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bz-service:nth-child(3) { border-left: none; padding-left: 0; }
    .bz-service:nth-child(n + 3) { border-top: 1px solid var(--line); }
    .bz-chain { grid-template-columns: 1fr; gap: 36px; }
    .bz-chain-aside { position: static; }
    .bz-chain-ledger {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        border-top: 1px solid var(--line);
        padding-top: 18px;
    }
    .bz-chain-ledger > div {
        padding: 0;
        border-bottom: none;
    }
    .bz-chain-ledger > div + div {
        border-left: 1px solid var(--line);
        padding-left: 18px;
    }
}

@media (max-width: 768px) {
    .bz-hero { padding-top: 36px; }
    .bz-hero h1 { font-size: clamp(32px, 9vw, 44px); }
    .bz-snapshot { box-shadow: 6px 6px 0 -2px var(--jade-wash); }
    .bz-snapshot-list li { padding: 13px 20px; }
    .bz-snapshot-head, .bz-snapshot-note { padding-left: 20px; padding-right: 20px; }
    .bz-services { grid-template-columns: 1fr; }
    .bz-service { border-left: none; padding: 22px 0 24px; }
    .bz-service:nth-child(2) { border-top: 1px solid var(--line); }
    .bz-service:nth-child(n + 3) { border-top: 1px solid var(--line); }
    .bz-detail { grid-template-columns: 1fr; gap: 4px; }
    .bz-group-head { flex-wrap: wrap; gap: 8px 14px; }
    .bz-ops-aside { gap: 14px; }
    .bz-ops-stat .spec-value { font-size: 28px; }
    .bz-chain-groups { grid-template-columns: 1fr; gap: 28px; }
    .bz-chain-ledger { gap: 12px; }
    .bz-chain-ledger .spec-value { font-size: 26px; }
}