.page-products {
  --cat-line: rgba(26, 26, 24, 0.14);
  --cat-line-soft: rgba(26, 26, 24, 0.08);
  --cat-teal-soft: rgba(95, 130, 133, 0.1);
  background: var(--paper);
  color: var(--ink);
}

.page-products .breadcrumb {
  padding: clamp(14px, 2.2vw, 22px) 0 clamp(10px, 1.6vw, 16px);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  background: var(--green);
  color: var(--paper);
  padding: clamp(30px, 5vw, 60px) 0 clamp(34px, 5.5vw, 68px);
  border-bottom-right-radius: var(--radius-l);
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 260px;
  height: 260px;
  border: 1px solid var(--line-light);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .cat-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-products .cat-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-products .cat-hero__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--paper);
  max-width: 17ch;
}

.page-products .cat-hero__lede {
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.6vw, 19px);
  line-height: 1.85;
  color: var(--paper-70);
  margin: 0 0 26px;
  max-width: 46ch;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-hero__aside {
  border-top: 1px solid var(--line-light);
  padding-top: 18px;
}

.page-products .cat-hero__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-52);
  margin: 0 0 20px;
}

.page-products .cat-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  margin: 0;
}

.page-products .cat-stats__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
}

.page-products .cat-stats__item dt {
  font-size: 12.5px;
  color: var(--paper-52);
  line-height: 1.4;
}

.page-products .cat-stats__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
  .page-products .cat-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--line-light);
    padding: 4px 0 4px clamp(18px, 2.5vw, 30px);
  }
}

/* ---------- 章节标题 ---------- */
.page-products .cat-head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: start;
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.page-products .cat-head__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
  padding-top: 5px;
  letter-spacing: 0.06em;
}

.page-products .cat-head__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--green);
}

.page-products .cat-head__kicker {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 双栏 ---------- */
.page-products .cat-split {
  padding: clamp(36px, 6vw, 72px) 0 clamp(10px, 2vw, 20px);
}

.page-products .cat-split__grid {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
}

.page-products .cat-figure {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-products .cat-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-m);
}

.page-products .cat-figure--mid {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-products .cat-figure--cover {
  margin-top: clamp(20px, 2.6vw, 28px);
}

@media (min-width: 980px) {
  .page-products .cat-split__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-products .cat-col--res {
    position: relative;
    padding-left: clamp(22px, 2.6vw, 36px);
  }
  .page-products .cat-col--res::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 7px;
    border-left: 1px solid var(--cat-line);
    background-image: repeating-linear-gradient(
      to bottom,
      var(--gold) 0,
      var(--gold) 1px,
      transparent 1px,
      transparent 26px
    );
  }
}

@media (max-width: 979px) {
  .page-products .cat-col--res {
    border-top: 1px solid var(--cat-line);
    padding-top: clamp(26px, 4vw, 36px);
  }
}

/* ---------- 索引带 ---------- */
.page-products .cat-index {
  display: grid;
  gap: 16px 18px;
  margin: 0 0 clamp(24px, 3vw, 32px);
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--moss);
  border-radius: var(--radius-m);
}

.page-products .cat-index__col {
  min-width: 0;
}

.page-products .cat-index__head {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green);
  margin: 0 0 10px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--gold);
}

.page-products .cat-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.page-products .cat-chip {
  display: inline-block;
  font-size: 12.5px;
  line-height: 1.5;
  padding: 2px 9px;
  border: 1px solid rgba(11, 61, 46, 0.28);
  border-radius: 999px;
  color: var(--green);
  white-space: nowrap;
}

.page-products .cat-chip--lead {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--green-deep);
  font-weight: 700;
}

@media (min-width: 640px) {
  .page-products .cat-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 案例卡 ---------- */
.page-products .case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .case-card {
  position: relative;
  padding: 18px clamp(16px, 2vw, 22px) 16px;
  background: var(--paper);
  border: 1px solid var(--cat-line);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius-m);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-products .case-card:nth-child(even) {
  margin-left: clamp(0px, 3.5vw, 40px);
}

.page-products .case-card__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  background: rgba(201, 162, 39, 0.22);
  padding: 2px 8px;
  border-radius: var(--radius-s);
  margin: 0 0 10px;
}

.page-products .case-card__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-products .case-card__facts {
  margin: 0 0 14px;
  display: grid;
  gap: 8px;
}

.page-products .case-card__facts > div {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
}

.page-products .case-card__facts dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--grey);
  padding-top: 3px;
}

.page-products .case-card__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .case-card__meta {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--grey);
  margin: 0 0 12px;
}

.page-products .case-card__meta a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

@media (hover: hover) {
  .page-products .case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(11, 61, 46, 0.42);
    box-shadow: 0 12px 26px rgba(11, 61, 46, 0.09);
  }
}

/* ---------- 资源卡 ---------- */
.page-products .res-stack {
  display: grid;
  gap: clamp(12px, 1.8vw, 16px);
}

.page-products .res-card {
  position: relative;
  padding: 16px 18px 14px;
  background: linear-gradient(180deg, var(--cat-teal-soft), rgba(246, 241, 231, 0.94));
  border: 1px solid rgba(95, 130, 133, 0.4);
  border-top: 3px solid var(--teal);
  border-radius: var(--radius-m);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-products .res-card:nth-child(2) {
  margin-left: clamp(0px, 1.5vw, 14px);
}

.page-products .res-card:nth-child(3) {
  margin-left: clamp(0px, 3vw, 28px);
}

.page-products .res-card:nth-child(4) {
  margin-left: clamp(0px, 4.5vw, 42px);
}

.page-products .res-card__top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-products .res-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-s);
  background: rgba(11, 61, 46, 0.09);
  color: var(--green);
}

.page-products .res-card__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(16.5px, 1.8vw, 19px);
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--green-deep);
}

.page-products .res-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-products .res-card__meta {
  margin: 12px 0 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--teal);
  line-height: 1.6;
}

@media (hover: hover) {
  .page-products .res-card:hover {
    transform: translateY(-4px);
    border-color: rgba(95, 130, 133, 0.75);
  }
}

/* ---------- 版本对照 ---------- */
.page-products .cat-version {
  margin-top: clamp(40px, 6vw, 80px);
  padding: clamp(34px, 5vw, 64px) 0;
  background: var(--moss);
}

.page-products .cat-version__head {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  align-items: end;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .cat-version__figure {
  margin: 0;
}

.page-products .cat-version__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-m);
}

@media (min-width: 900px) {
  .page-products .cat-version__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.page-products .cat-table-wrap {
  overflow: auto;
  max-height: min(70vh, 520px);
  background: var(--paper);
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-m);
}

.page-products .cat-table-wrap:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .cat-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.page-products .cat-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--green);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: left;
  padding: 11px 14px;
  white-space: nowrap;
}

.page-products .cat-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--cat-line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .cat-table tbody tr:nth-child(even) td {
  background: rgba(220, 229, 218, 0.5);
}

.page-products .cat-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .cat-table th:first-child,
.page-products .cat-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--paper);
  border-right: 1px solid var(--cat-line);
  min-width: 176px;
}

.page-products .cat-table thead th:first-child {
  background: var(--green);
  z-index: 4;
}

.page-products .cat-table tbody tr:nth-child(even) td:first-child {
  background: #e7ede2;
}

.page-products .cat-table tbody td .copy-link {
  white-space: nowrap;
}

.page-products .cat-version__hint {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--green);
}

/* ---------- 取用建议 ---------- */
.page-products .cat-paths {
  padding: clamp(36px, 6vw, 76px) 0 clamp(20px, 3vw, 36px);
}

.page-products .cat-paths__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-products .path-card {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--paper);
  border: 1px solid var(--cat-line);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius-m);
}

.page-products .path-card--b {
  border-left-color: var(--teal);
}

.page-products .path-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-products .path-card__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--green);
}

.page-products .path-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .path-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-products .path-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.24);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.page-products .path-steps a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.page-products .cat-paths__note {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .cat-paths__note a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

@media (min-width: 820px) {
  .page-products .cat-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 求助通道 ---------- */
.page-products .cat-help {
  background: var(--green);
  color: var(--paper);
  padding: clamp(34px, 5vw, 62px) 0;
  border-top-left-radius: var(--radius-l);
}

.page-products .cat-help__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-products .cat-help__eyebrow {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .cat-help__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--paper);
  max-width: 20ch;
}

.page-products .cat-help__text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-70);
  max-width: 44ch;
}

.page-products .cat-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-help__contact {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
}

.page-products .cat-help__contact > div {
  display: grid;
  gap: 3px;
}

.page-products .cat-help__contact dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--paper-52);
}

.page-products .cat-help__contact dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

@media (min-width: 880px) {
  .page-products .cat-help__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-products .cat-help__contact {
    padding-top: 0;
    padding-left: clamp(20px, 2.6vw, 32px);
    border-top: 0;
    border-left: 1px solid var(--line-light);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .case-card,
  .page-products .res-card {
    transition-duration: 0.12s;
  }
  .page-products .case-card:hover,
  .page-products .res-card:hover {
    transform: none;
  }
}