/* ===== 工具中心 /tools/ ===== */
.page-products {
  --p-gap: clamp(20px, 3vw, 40px);
  --p-line: 1px solid var(--grid-line);
}

.page-products .crumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(38px, 6vw, 78px);
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(114deg, transparent 60%, rgba(201, 162, 39, 0.09) 60%, rgba(201, 162, 39, 0.09) 72%, transparent 72%),
    linear-gradient(114deg, transparent 76%, rgba(228, 87, 46, 0.12) 76%, rgba(228, 87, 46, 0.12) 83%, transparent 83%);
}

.page-products .tools-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--p-gap);
  align-items: center;
}

.page-products .tools-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--cream-100);
  max-width: 17em;
}

.page-products .tools-hero__lede {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.68;
  color: var(--paper-200);
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .tools-hero__marks {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(4, 56px);
  gap: 8px;
  min-height: 240px;
}

.page-products .tools-hero__mark {
  display: block;
}

.page-products .tools-hero__mark--a {
  grid-area: 1 / 1 / 4 / 5;
  background: var(--ink-700);
  border: 1px solid var(--grid-line);
}

.page-products .tools-hero__mark--b {
  grid-area: 2 / 5 / 5 / 7;
  background: var(--gold-500);
}

.page-products .tools-hero__mark--c {
  grid-area: 4 / 3 / 5 / 5;
  background: var(--flame-500);
}

.page-products .tools-hero__count {
  grid-area: 1 / 5 / 2 / 7;
  align-self: start;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cream-100);
}

.page-products .tools-hero__count span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss-400);
}

.page-products .tools-hero__trust {
  position: relative;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-top: 16px;
  border-top: var(--p-line);
  max-width: 60em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss-400);
}

/* ---------- 章节标题 ---------- */
.page-products .sec-head {
  max-width: 54em;
}

.page-products .sec-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.16;
  color: var(--cream-100);
}

.page-products .sec-head__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-200);
}

/* ---------- 四条产品线一览 ---------- */
.page-products .lines {
  border-top: var(--p-line);
  border-bottom: var(--p-line);
}

.page-products .lines__media {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .lines__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .line-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .line-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--ink-700);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-products .line-card:hover,
.page-products .line-card:focus-within {
  border-color: var(--gold-500);
  background: #1b4437;
}

.page-products .line-card__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

.page-products .line-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 1.9vw, 22px);
  color: var(--cream-100);
}

.page-products .line-card p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--paper-200);
}

.page-products .line-card__link {
  margin-top: auto;
  font-size: 13px;
  color: var(--gold-300);
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 0.2s var(--ease);
}

.page-products .line-card__link:hover,
.page-products .line-card__link:focus-visible {
  border-bottom-color: var(--gold-300);
}

/* ---------- 左窄右宽说明列 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 54px);
}

.page-products .split__aside h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 2.6vw, 32px);
  line-height: 1.18;
  color: var(--cream-100);
}

.page-products .split__intro {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-200);
}

.page-products .split__body > p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--paper-200);
}

.page-products .sub-h {
  margin: 28px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--gold-300);
}

/* 参数表 */
.page-products .spec {
  margin: 24px 0 0;
  border-top: var(--p-line);
}

.page-products .spec__row {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: var(--p-line);
}

.page-products .spec__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss-400);
}

.page-products .spec__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cream-100);
}

.page-products .spec__cta {
  margin-top: 20px;
}

/* 步骤 */
.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pstep;
}

.page-products .steps__item {
  position: relative;
  counter-increment: pstep;
  padding-left: 54px;
  padding-bottom: 26px;
  border-bottom: var(--p-line);
  margin-bottom: 26px;
}

.page-products .steps__item:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-products .steps__item::before {
  content: counter(pstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--gold-500);
}

.page-products .steps__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--cream-100);
}

.page-products .steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-200);
}

.page-products .query__shot {
  margin-top: clamp(26px, 3.4vw, 38px);
}

.page-products .query__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 折叠细节 */
.page-products .more {
  margin-top: 26px;
  border: 1px solid var(--grid-line);
  background: var(--ink-800);
  border-radius: var(--radius);
}

.page-products .more > summary {
  padding: 14px 18px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gold-300);
  list-style: none;
}

.page-products .more > summary::-webkit-details-marker {
  display: none;
}

.page-products .more > summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  font-family: var(--font-mono);
  color: var(--gold-500);
}

.page-products .more[open] > summary::before {
  content: "−";
}

.page-products .more__list {
  margin: 0;
  padding: 0 18px 18px 34px;
  list-style: none;
}

.page-products .more__list li {
  position: relative;
  padding: 8px 0 8px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-200);
  border-top: var(--p-line);
}

.page-products .more__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--gold-500);
}

/* ---------- 收藏记录 ---------- */
.page-products .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .chip {
  padding: 7px 14px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  background: rgba(23, 59, 48, 0.6);
}

.page-products .phone {
  max-width: 320px;
  margin: 0 auto;
}

.page-products .phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* ---------- 目录清单（浅色区） ---------- */
.page-products .catalog {
  background: var(--cream-100);
  color: var(--ink-900);
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
}

.page-products .catalog .eyebrow {
  color: var(--flame-500);
}

.page-products .catalog .sec-head h2 {
  color: var(--ink-900);
}

.page-products .catalog .sec-head__text {
  color: var(--ink-700);
}

.page-products .catalog__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(26px, 3.6vw, 42px);
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-products .catalog__stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 22px;
  background: var(--cream-100);
}

.page-products .catalog__stat .mono {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-products .catalog__stat b {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-700);
}

.page-products .catalog__notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 32px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .catalog__note h3 {
  margin: 0 0 10px;
  padding-top: 14px;
  border-top: 2px solid var(--ink-900);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink-900);
}

.page-products .catalog__note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .catalog .link-row {
  margin-top: clamp(28px, 3.6vw, 42px);
}

.page-products .catalog .btn--ghost {
  border-color: var(--ink-700);
  color: var(--ink-900);
}

.page-products .catalog .btn--ghost:hover,
.page-products .catalog .btn--ghost:focus-visible {
  border-color: var(--flame-500);
  color: var(--flame-500);
}

/* ---------- 服务范围追踪与导出 ---------- */
.page-products .trace__figure {
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-products .trace__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .trace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 0;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .trace__node {
  position: relative;
  padding-top: 40px;
  padding-right: 14px;
}

.page-products .trace__node::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--grid-line);
}

.page-products .trace__node::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 0;
  width: 13px;
  height: 13px;
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.14);
}

.page-products .trace__node b {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cream-100);
}

.page-products .trace__node span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: var(--moss-400);
}

.page-products .trace__note {
  margin: 26px 0 0;
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-200);
}

.page-products .formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 38px);
}

.page-products .format {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 16px;
  padding: 22px;
  background: var(--ink-800);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
}

.page-products .format__icon {
  grid-row: 1 / 3;
  align-self: start;
  color: var(--gold-500);
  display: block;
  line-height: 0;
}

.page-products .format h3 {
  margin: 0;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--cream-100);
}

.page-products .format p {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-200);
}

.page-products .export-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-products .export-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 20px;
  background: var(--ink-900);
  font-size: 14px;
  color: var(--paper-200);
}

.page-products .export-facts .mono {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold-500);
}

.page-products .export__note {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss-400);
}

/* ---------- 场景 ---------- */
.page-products .scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 24px);
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-products .scene {
  padding: 22px 24px 24px;
  background: rgba(23, 59, 48, 0.5);
  border-left: 2px solid var(--gold-500);
  border-radius: var(--radius);
}

.page-products .scene__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-300);
}

.page-products .scene__tag--warn {
  color: var(--moss-400);
}

.page-products .scene__tag--hot {
  color: var(--flame-500);
}

.page-products .scene h3 {
  margin: 12px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--cream-100);
}

.page-products .scene__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .scene__list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--paper-200);
  border-top: var(--p-line);
}

.page-products .scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--gold-500);
}

.page-products .scene__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--moss-400);
}

/* ---------- 收尾 ---------- */
.page-products .final__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: clamp(26px, 4vw, 44px) 0 clamp(34px, 5vw, 60px);
  border-top: var(--p-line);
}

.page-products .final h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 32px);
  color: var(--cream-100);
}

.page-products .final p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-200);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .catalog__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .export-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .trace {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .catalog__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .line-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .tools-hero__marks {
    min-height: 280px;
  }
}

@media (min-width: 940px) {
  .page-products .split {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  }

  .page-products .split__aside {
    position: sticky;
    top: calc(var(--topline-h) + 24px);
  }

  .page-products .split--flip .split__aside {
    position: static;
  }

  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .final__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
}

@media (min-width: 1040px) {
  .page-products .line-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .line-card:nth-child(1) {
    margin-top: 0;
  }

  .page-products .line-card:nth-child(2) {
    margin-top: 42px;
  }

  .page-products .line-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-products .line-card:nth-child(4) {
    margin-top: 58px;
  }

  .page-products .scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .line-card {
    transition: none;
  }
}