/* ============================================================
   首页 — Swiss Ledger 单据纸本
   英雄区账簿 · 业务账簿行 · 四栏渠道牌 · 2×2 品类索引 · 竖向履约梯级
   ============================================================ */

/* ---------- 01 英雄区 ---------- */
.hero { padding-top: clamp(44px, 5vw, 74px); }
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: start;
}
.hero-copy { max-width: 62ch; }
.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(32px, 4.8vw, 62px);
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--ink);
    text-wrap: balance;
    margin-bottom: 22px;
}
.hero-title .hl-box { display: inline; }
.hero-lead { font-size: 16.5px; line-height: 1.85; color: var(--ink-2); max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    font-size: 13.5px;
    color: var(--ink-3);
}
.hero-note i { color: var(--signal); font-size: 12px; }

.hero-file { border: 1px solid var(--ink); background: var(--card); padding: 20px 22px 18px; }
.hero-file-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ink);
}
.hero-ledger { border-top: none; }
.hero-ledger .ledger-row { padding: 17px 0; grid-template-columns: 34px minmax(0, 1fr); gap: 16px; }
.hero-ledger .ledger-row:last-child { border-bottom: none; }
.hero-ledger .ledger-title { font-size: 16.5px; }
.hero-ledger .ledger-meta { margin-top: 5px; font-size: 10.5px; }
.hero-ledger .ledger-text { font-size: 14px; margin-top: 8px; }
.ledger-top {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px 14px;
}
.hero-more { padding-top: 12px; border-top: 1px solid var(--line-2); color: var(--ink-3); }

.hero .stat-strip { margin-top: clamp(40px, 5vw, 68px); }

/* ---------- 02 业务版图 ---------- */
.scope-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
}
.scope-aside {
    position: sticky;
    top: calc(var(--rail-h) + var(--nav-h) + 34px);
    align-self: start;
}
.scope-aside .sec-lead { margin-top: 18px; }
.scope-ledger .ledger-row {
    grid-template-columns: 30px minmax(0, 1fr) 178px;
    gap: 20px;
    align-items: start;
    padding: 26px 0;
}
.scope-ledger .ledger-idx {
    font-size: 16px;
    color: var(--ink);
    padding-top: 2px;
}
.scope-ledger .ledger-row:hover { background: transparent; padding-left: 10px; }
.scope-ledger .ledger-row:hover .ledger-idx { color: var(--signal); }
.scope-ledger .ledger-meta { text-align: right; padding-top: 5px; font-size: 10px; }
.scope-icon { display: inline-block; margin-right: 10px; color: var(--signal); font-size: 15px; }
.scope-ledger .ledger-title { display: inline; font-size: 19px; }

/* ---------- 03 渠道矩阵 ---------- */
.matrix-cols {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--line-2);
}
.ch-col {
    display: flex;
    flex-direction: column;
    padding: 26px 22px 24px;
    border-left: 1px solid var(--line-2);
    transition: background var(--t-fast);
}
.ch-col:first-child { border-left: none; padding-left: 0; }
.ch-col:hover { background: var(--paper); }
.ch-col-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ink);
}
.ch-idx { font-size: 11px; color: var(--signal); letter-spacing: 0.12em; }
.ch-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
}
.ch-market { width: 100%; font-size: 10px; }
.ch-sub {
    margin-top: 18px;
    font-family: var(--font-display);
    font-size: 15.5px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
}
.ch-text { margin-top: 8px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.ch-foot { margin-top: auto; padding-top: 18px; }

.matrix-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    align-items: center;
    gap: 0 24px;
    border-bottom: 1px solid var(--ink);
    padding-right: 4px;
}
.matrix-cell {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 22px 22px 0;
    border-left: 1px solid var(--line-2);
    padding-left: 22px;
}
.matrix-cell:first-child { border-left: none; padding-left: 0; }

/* ---------- 04 品类索引 ---------- */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--line-2);
}
.cat-cell {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    column-gap: 18px;
    row-gap: 10px;
    padding: 30px 26px;
    border-bottom: 1px solid var(--line-2);
    transition: background var(--t-fast);
}
.cat-cell:nth-child(odd) { border-right: 1px solid var(--line-2); padding-left: 0; }
.cat-cell:nth-last-child(-n + 2) { border-bottom: none; }
.cat-cell:hover { background: var(--paper); }
.cat-idx { grid-area: 1 / 1; font-size: 13px; color: var(--ink-3); letter-spacing: 0.12em; }
.cat-icon { grid-area: 2 / 1; align-self: start; color: var(--signal); font-size: 17px; }
.cat-name {
    grid-area: 1 / 2;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
}
.cat-text { grid-area: 2 / 2; font-size: 15px; line-height: 1.8; color: var(--ink-2); max-width: 48ch; }
.cat-cell > .label { grid-area: 3 / 2; justify-self: start; }

/* ---------- 05 履约梯级 ---------- */
.steps { border-top: 1px solid var(--ink); }
.step {
    display: grid;
    grid-template-columns: minmax(0, 120px) minmax(0, 1fr);
    gap: 24px 32px;
    padding: 26px 0;
    border-bottom: 1px solid var(--line-2);
    transition: padding-left var(--t-fast);
}
.step:hover { padding-left: 10px; }
.step-num {
    font-family: var(--font-mono);
    font-size: clamp(30px, 3.6vw, 46px);
    font-weight: 500;
    line-height: 0.85;
    letter-spacing: -0.05em;
    color: var(--ink);
    transition: color var(--t-fast);
}
.step:hover .step-num { color: var(--signal); }
.step-title {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
}
.step-text { margin-top: 8px; font-size: 15px; line-height: 1.8; color: var(--ink-2); max-width: 68ch; }

.fact-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--ink);
}
.fact {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 18px 22px;
    border-left: 1px solid var(--line-2);
    font-size: 14px;
    color: var(--ink-2);
}
.fact:first-child { border-left: none; padding-left: 0; }
.fact b {
    font-family: var(--font-mono);
    font-size: 21px;
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--ink);
}

/* ---------- 06 证言 ---------- */
.voice-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: center;
}
.voice-main { display: flex; flex-direction: column; gap: 24px; }
.voice-by { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.voice-initial {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--signal);
    color: #fff;
    font-size: 13px;
    letter-spacing: 0.08em;
}
.voice-author { font-size: 14px; color: var(--on-ink); }
.voice-note { font-size: 10.5px; }
.voice-facts {
    display: grid;
    gap: 26px;
    padding-left: 34px;
    border-left: 1px solid rgba(242, 239, 232, 0.24);
}
.voice-fact { display: flex; flex-direction: column; gap: 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .hero-grid { grid-template-columns: 1fr; }
    .scope-grid { grid-template-columns: 1fr; gap: 30px; }
    .scope-aside { position: static; }
    .matrix-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ch-col { border-top: 1px solid var(--line-2); }
    .ch-col:nth-child(1), .ch-col:nth-child(2) { border-top: none; }
    .ch-col:nth-child(odd) { border-left: none; padding-left: 0; }
    .matrix-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
    .matrix-strip .btn { grid-column: 1 / -1; justify-self: start; margin: 18px 0 22px; }
    .voice-grid { grid-template-columns: 1fr; }
    .voice-facts { padding-left: 0; border-left: 0; border-top: 1px solid rgba(242, 239, 232, 0.24); padding-top: 24px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .cat-grid { grid-template-columns: 1fr; }
    .cat-cell:nth-child(odd) { border-right: none; }
    .cat-cell { padding: 26px 0; }
    .cat-cell:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line-2); }
    .cat-cell:last-child { border-bottom: none; }
    .scope-ledger .ledger-row { grid-template-columns: 26px minmax(0, 1fr); gap: 14px; }
    .scope-ledger .ledger-meta { grid-column: 2; text-align: left; }
    .voice-facts { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero-file { padding: 16px; }
    .step { grid-template-columns: 62px minmax(0, 1fr); gap: 14px; }
    .fact-row { grid-template-columns: 1fr; }
    .fact { border-left: none; padding-left: 0; border-top: 1px solid var(--line-2); }
    .fact:first-child { border-top: none; }
    .matrix-strip { grid-template-columns: 1fr; }
    .matrix-cell { border-left: none; padding-left: 0; }
}