/* ===== 工具中心 · 页面专属样式（作用域 .page-products） ===== */

.page-products {
  --lane-gap: 12px;
  --card-w: clamp(232px, 26vw, 292px);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-products__hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-products .crumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: end;
  padding-bottom: clamp(26px, 4vw, 46px);
}

.page-products .hero-copy .eyebrow {
  display: block;
  margin-bottom: 12px;
}

.page-products .hero-copy .h-display {
  margin: 0 0 18px;
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 17ch;
}

.page-products .hero-copy .lead {
  max-width: 46ch;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.8;
  color: var(--stone);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 2.6vw, 30px);
}

.page-products .hero-side {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.4vw, 26px);
}

.page-products .hero-side__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
  margin-bottom: 14px;
}

.page-products .hero-side__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(76px, 13vw, 150px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

.page-products .hero-side__unit {
  display: inline-block;
  margin-left: 12px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--stone);
  vertical-align: super;
}

.page-products .hero-side__list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .hero-side__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
  font-size: 13px;
  color: var(--stone);
}

.page-products .hero-side__list b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--paper);
  white-space: nowrap;
}

.page-products__banner {
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-products__banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--teal) 34%, var(--clay) 72%, var(--orange) 100%);
  opacity: 0.85;
}

.page-products__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
}

/* ---------- 文件泳道 ---------- */

.page-products .section-head {
  display: grid;
  gap: 12px;
  align-items: end;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-products .lane-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .lane-figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  margin-bottom: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .filter-bar__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--violet);
  margin-right: 6px;
}

.page-products .filter-bar__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products .filter-bar__count::after {
  content: " 份";
  color: var(--violet);
}

.page-products .filter-bar .chip {
  cursor: pointer;
}

.page-products .lane-list {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .lane {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .lane__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-products .lane__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .lane__name {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 600;
  color: var(--paper);
}

.page-products .lane__note {
  margin: 0;
  font-size: 13px;
  color: var(--violet);
}

.page-products .lane__track {
  display: flex;
  gap: var(--lane-gap);
  overflow-x: auto;
  padding: 2px 2px 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .lane__track > * {
  scroll-snap-align: start;
}

.page-products .filecard {
  flex: 0 0 var(--card-w);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px 14px 18px;
  background: linear-gradient(180deg, rgba(20, 29, 46, 0.96) 0%, rgba(11, 18, 32, 0.96) 100%);
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--cyan);
  transition: border-left-color 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.page-products .filecard:hover {
  border-color: var(--line-cyan);
  border-left-color: var(--cyan-soft);
  transform: translateX(2px);
}

.page-products .lane[data-tags="notes"] .filecard {
  border-left-color: var(--violet);
}

.page-products .lane[data-tags="notes"] .filecard:hover {
  border-left-color: var(--paper);
}

.page-products .lane[data-tags="path"] .filecard {
  border-left-color: var(--orange);
}

.page-products .lane[data-tags="sheet"] .filecard {
  border-left-color: var(--teal);
}

.page-products .filecard__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .filecard__ext {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--cyan);
  padding: 2px 7px;
}

.page-products .lane[data-tags="notes"] .filecard__ext {
  background: var(--violet);
  color: var(--paper);
}

.page-products .lane[data-tags="path"] .filecard__ext {
  background: var(--orange);
}

.page-products .lane[data-tags="sheet"] .filecard__ext {
  background: var(--teal);
  color: var(--paper);
}

.page-products .filecard__size {
  font-size: 12px;
  color: var(--stone);
}

.page-products .filecard__name {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .filecard__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .filecard__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--violet);
}

/* ---------- 版本对照（米白区块） ---------- */

.page-products .band-light {
  background: var(--paper);
  color: var(--ink);
}

.page-products .band-light .h2,
.page-products .band-light .h3 {
  color: var(--ink);
}

.page-products .band-light .compare-lead {
  color: #4B5563;
}

.page-products .band-light .eyebrow {
  color: var(--clay);
}

.page-products .compare-title {
  margin-top: 8px;
}

.page-products .compare-lead {
  max-width: 68ch;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-products .compare-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid rgba(11, 18, 32, 0.14);
}

.page-products .compare-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .compare-figure .media__cap {
  padding: 8px 12px;
  font-size: 12px;
  color: #57606E;
  border-top: 1px solid rgba(11, 18, 32, 0.12);
}

.page-products .compare-wrap {
  margin-top: clamp(18px, 2.6vw, 26px);
  overflow-x: auto;
  border: 1px solid rgba(11, 18, 32, 0.16);
  background: var(--paper);
}

.page-products .compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--ink);
}

.page-products .compare-table th,
.page-products .compare-table td {
  text-align: left;
  padding: 13px 16px;
  vertical-align: top;
  line-height: 1.7;
}

.page-products .compare-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--violet);
  background: rgba(11, 18, 32, 0.05);
  border-bottom: 1px solid rgba(11, 18, 32, 0.18);
}

.page-products .compare-table tbody th {
  font-weight: 600;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid rgba(11, 18, 32, 0.1);
}

.page-products .compare-table tbody td {
  border-bottom: 1px solid rgba(11, 18, 32, 0.1);
}

.page-products .compare-table tbody tr {
  transition: background 0.16s ease;
}

.page-products .compare-table tbody tr:hover {
  background: rgba(63, 224, 208, 0.16);
}

.page-products .compare-table td.is-diff {
  background: rgba(255, 138, 61, 0.26);
  font-weight: 600;
}

.page-products .compare-table tbody tr:hover td.is-diff {
  background: rgba(255, 138, 61, 0.42);
}

/* ---------- 场景组合 ---------- */

.page-products .scene-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .scene-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .scene-list {
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
}

.page-products .scene {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 26px);
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--line);
}

.page-products .scene:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .scene__no {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  text-stroke: 1px var(--cyan);
}

.page-products .scene__body .h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--paper);
}

.page-products .scene__body > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 60ch;
}

.page-products .scene__files {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .scene__files li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .scene__files li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-products .scene__files b {
  display: block;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--violet);
  font-weight: 400;
}

/* ---------- 检索与收藏 ---------- */

.page-products .find-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-products .find-copy > p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
  max-width: 56ch;
}

.page-products .find-copy .btn {
  margin-top: 22px;
}

.page-products .text-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-products .text-link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-products .find-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
}

.page-products .find-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 下载前三点确认 ---------- */

.page-products .check-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .check-item {
  background: var(--ink);
  padding: clamp(18px, 2.4vw, 24px);
}

.page-products .check-item__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .check-item .h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--paper);
}

.page-products .check-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 更新节奏 ---------- */

.page-products .rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 30px);
}

.page-products .rhythm__main > p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
  max-width: 58ch;
}

.page-products .rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .rhythm__list li {
  background: var(--ink-2);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-products .rhythm__list .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .rhythm__list strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 收口色带 ---------- */

.page-products .closing-band {
  margin-top: clamp(40px, 6vw, 80px);
  background: linear-gradient(100deg, var(--clay) 0%, #6E3A1B 46%, var(--ink) 100%);
  border-top: 1px solid var(--line-warm);
}

.page-products .closing-band__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-block: clamp(26px, 3.6vw, 44px);
}

.page-products .closing-band__copy .h3 {
  margin: 0 0 8px;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--paper);
}

.page-products .closing-band__copy p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 239, 231, 0.78);
  max-width: 44ch;
}

.page-products .closing-band__num {
  font-family: var(--font-mono);
  font-size: clamp(72px, 12vw, 132px);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: rgba(242, 239, 231, 0.22);
  flex: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .section-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 34ch);
    gap: 24px;
  }

  .page-products .scene__files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 26px;
  }

  .page-products .scene:nth-child(even) {
    padding-left: clamp(0px, 4vw, 58px);
  }
}

@media (min-width: 880px) {
  .page-products .check-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .find-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .rhythm {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .hero-side {
    border-top: none;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: clamp(20px, 2.6vw, 32px);
  }
}

@media (max-width: 719px) {
  .page-products .lane__track {
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
  }

  .page-products .filecard {
    flex-basis: min(78vw, 300px);
  }

  .page-products .closing-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .closing-band__num {
    align-self: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .filecard,
  .page-products .compare-table tbody tr,
  .page-products .text-link {
    transition: none;
  }

  .page-products .filecard:hover {
    transform: none;
  }
}