.page-products {
  --p-line: 1px solid var(--silver);
  --p-pad: clamp(52px, 8vw, 104px);
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  padding: 18px clamp(20px, 4vw, 48px) 0;
  max-width: 1320px;
  margin-inline: auto;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--graphite);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--silver);
}

.page-products .breadcrumb-link {
  color: var(--deep-teal);
  text-decoration: none;
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  text-decoration: underline;
}

.page-products .prod-section {
  padding-block: var(--p-pad);
}

.page-products .prod-section--paper {
  background: var(--paper);
  border-block: var(--p-line);
}

.page-products .prod-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 46px);
  max-width: 980px;
}

.page-products .prod-head .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.12;
  letter-spacing: -.015em;
}

.page-products .prod-head .section-note {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
}

@media (min-width: 900px) {
  .page-products .prod-head {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    column-gap: clamp(28px, 5vw, 76px);
    align-items: end;
  }
  .page-products .prod-head .section-kicker { grid-column: 1 / -1; }
  .page-products .prod-head .section-title { grid-column: 1; }
  .page-products .prod-head .section-note { grid-column: 2; }
}

/* ---------- 首屏 ---------- */
.page-products .prod-cover {
  position: relative;
  isolation: isolate;
  background: var(--ink);
  color: var(--warm);
  margin-top: 18px;
}

.page-products .prod-cover-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-products .prod-cover-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.72);
}

.page-products .prod-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(23, 22, 26, .58) 0%, rgba(23, 22, 26, .9) 62%, rgba(23, 22, 26, .98) 100%);
}

.page-products .prod-cover-inner {
  position: relative;
  max-width: 1320px;
  margin-inline: auto;
  padding: clamp(60px, 10vw, 132px) clamp(20px, 4vw, 48px) clamp(34px, 5vw, 56px);
}

.page-products .prod-cover-kicker {
  color: var(--red);
  letter-spacing: .22em;
}

.page-products .prod-title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 112px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--warm);
}

.page-products .prod-lead {
  margin: 24px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  color: rgba(247, 243, 236, .82);
}

.page-products .prod-index {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0;
  list-style: none;
  margin: clamp(34px, 6vw, 68px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(201, 204, 211, .26);
  scrollbar-width: thin;
}

.page-products .prod-index-item {
  flex: 0 0 auto;
  border-right: 1px solid rgba(201, 204, 211, .26);
}

.page-products .prod-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 18px;
  color: rgba(247, 243, 236, .78);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .05em;
  white-space: nowrap;
  transition: color .16s ease, background-color .16s ease;
}

.page-products .prod-index-link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-products .prod-index-link:hover,
.page-products .prod-index-link:focus-visible {
  color: var(--warm);
  background: rgba(226, 58, 46, .18);
}

/* ---------- 三条业务线 ---------- */
.page-products .prod-lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--silver);
  border: var(--p-line);
}

@media (min-width: 800px) {
  .page-products .prod-lanes {
    grid-template-columns: 5fr 4fr 3fr;
  }
}

.page-products .prod-lane {
  background: var(--paper);
  padding: clamp(22px, 3vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 4px solid var(--silver);
}

.page-products .prod-lane--a { border-top-color: var(--red); }
.page-products .prod-lane--b { border-top-color: var(--cyan); }
.page-products .prod-lane--c { border-top-color: var(--amber); }

.page-products .prod-lane-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--graphite);
}

.page-products .prod-lane-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-products .prod-lane-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-products .prod-lane-list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: var(--p-line);
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
}

.page-products .prod-lane-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
}

/* ---------- 选型四步 ---------- */
.page-products .pick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--p-line);
}

.page-products .pick-item {
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: var(--p-line);
}

@media (min-width: 860px) {
  .page-products .pick-item {
    grid-template-columns: 110px minmax(0, 1.7fr) minmax(0, 1fr);
    column-gap: clamp(20px, 3.4vw, 56px);
    align-items: start;
  }
}

.page-products .pick-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--red);
}

.page-products .pick-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.25;
}

.page-products .pick-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--graphite);
  max-width: 46ch;
}

.page-products .pick-need {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  border-left: 2px solid var(--amber);
  padding-left: 14px;
}

.page-products .pick-need .tag {
  margin-right: 6px;
}

/* ---------- 包装表格 ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: var(--p-line);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

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

.page-products .spec-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 18px;
  background: var(--warm);
  border-bottom: var(--p-line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-products .spec-table thead th {
  background: var(--ink);
  color: var(--warm);
  text-align: left;
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  white-space: nowrap;
}

.page-products .spec-table tbody th {
  text-align: left;
  padding: 18px;
  border-top: var(--p-line);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .spec-table td {
  padding: 18px;
  border-top: var(--p-line);
  border-left: var(--p-line);
  line-height: 1.8;
  color: var(--graphite);
  vertical-align: top;
}

.page-products .spec-table tbody tr {
  transition: background-color .16s ease;
}

.page-products .spec-table tbody tr:hover {
  background: rgba(18, 181, 166, .08);
}

.page-products .spec-table tbody tr:hover td {
  color: var(--ink);
}

.page-products .prod-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  vertical-align: middle;
}

/* ---------- 筛选与卡片 ---------- */
.page-products .prod-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(26px, 4vw, 42px) 0 20px;
}

.page-products .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: var(--p-line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background-color .16s ease, color .16s ease, border-color .16s ease;
}

.page-products .filter-chip:hover {
  border-color: var(--graphite);
}

.page-products .filter-chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--paper);
}

.page-products .filter-chip:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-products .filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .72;
}

.page-products .prod-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 30px);
}

@media (min-width: 700px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--p-line);
}

.page-products .prod-card[hidden] {
  display: none;
}

.page-products .prod-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  border-bottom: var(--p-line);
}

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

.page-products .prod-figure--square { aspect-ratio: 1 / 1; }
.page-products .prod-figure--wide { aspect-ratio: 16 / 10; }

.page-products .prod-figure figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px 16px 12px;
  background: linear-gradient(0deg, rgba(23, 22, 26, .88) 0%, rgba(23, 22, 26, 0) 100%);
  color: var(--warm);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .03em;
}

.page-products .prod-card-body {
  padding: clamp(18px, 2.4vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.page-products .prod-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-products .prod-card-head .prod-code {
  margin: 0;
}

.page-products .prod-card-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.2vw, 25px);
  line-height: 1.2;
}

.page-products .prod-card-list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: var(--p-line);
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-products .prod-card-list li {
  padding-left: 16px;
  position: relative;
}

.page-products .prod-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--red);
}

/* ---------- 安装七步 ---------- */
.page-products .prod-figure--flow {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--p-line);
}

.page-products .flow-item {
  border-bottom: var(--p-line);
}

.page-products .flow-step summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
  transition: background-color .16s ease;
}

.page-products .flow-step summary::-webkit-details-marker { display: none; }

.page-products .flow-step summary:hover {
  background: rgba(226, 58, 46, .05);
}

.page-products .flow-step summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}

.page-products .flow-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--red);
  min-width: 34px;
}

.page-products .flow-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: -.005em;
}

.page-products .flow-owner {
  grid-column: 2 / 3;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-products .flow-mark {
  grid-column: 3;
  grid-row: 1 / 3;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--p-line);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--red);
}

.page-products .flow-mark::before { content: "+"; }

.page-products .flow-step[open] .flow-mark {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

.page-products .flow-step[open] .flow-mark::before { content: "–"; }

@media (min-width: 760px) {
  .page-products .flow-step summary {
    grid-template-columns: 72px minmax(0, 1fr) minmax(0, 230px) 32px;
    gap: 0 18px;
    padding: 22px 8px;
  }
  .page-products .flow-owner {
    grid-column: 3;
    text-align: right;
  }
  .page-products .flow-mark {
    grid-column: 4;
    grid-row: 1;
  }
}

.page-products .flow-body {
  padding: 0 6px 24px;
  display: grid;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-products .flow-body {
    padding: 0 8px 26px 98px;
    max-width: 78ch;
  }
}

.page-products .flow-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--graphite);
}

.page-products .flow-out {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--ink) !important;
}

/* ---------- 授权与排期 ---------- */
.page-products .prod-auth {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  background: var(--ink);
  color: var(--warm);
  padding: clamp(28px, 5vw, 64px);
  border-left: 6px solid var(--red);
}

@media (min-width: 940px) {
  .page-products .prod-auth {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }
}

.page-products .prod-auth-intro .section-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--warm);
}

.page-products .prod-auth-intro .section-kicker {
  color: var(--cyan);
}

.page-products .prod-auth-lead {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.95;
  color: rgba(247, 243, 236, .78);
}

.page-products .prod-auth-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(201, 204, 211, .24);
}

.page-products .prod-auth-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(201, 204, 211, .24);
}

@media (min-width: 620px) {
  .page-products .prod-auth-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-products .prod-auth-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-products .prod-auth-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247, 243, 236, .86);
}

/* ---------- 条款要点 ---------- */
.page-products .rule-list {
  display: grid;
  gap: clamp(12px, 1.8vw, 20px);
}

.page-products .rule-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  background: var(--paper);
  border: var(--p-line);
  padding: clamp(18px, 2.4vw, 28px);
  transition: border-color .16s ease;
}

.page-products .rule-item:hover {
  border-color: var(--graphite);
}

.page-products .rule-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--ink);
  color: var(--warm);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: background-color .18s ease;
}

.page-products .rule-no:hover,
.page-products .rule-no:focus-visible {
  background: var(--red);
}

.page-products .rule-no:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-products .rule-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.3;
}

.page-products .rule-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--graphite);
  max-width: 68ch;
}

/* ---------- 分流入口 ---------- */
.page-products .prod-routes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--silver);
  border: var(--p-line);
}

@media (min-width: 780px) {
  .page-products .prod-routes {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .prod-route {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(26px, 4vw, 50px);
  text-decoration: none;
  transition: transform .18s ease, background-color .18s ease;
}

.page-products .prod-route--red {
  background: var(--red);
  color: var(--paper);
}

.page-products .prod-route--red:hover,
.page-products .prod-route--red:focus-visible {
  background: var(--red-deep);
}

.page-products .prod-route--ink {
  background: var(--ink);
  color: var(--warm);
}

.page-products .prod-route--ink:hover,
.page-products .prod-route--ink:focus-visible {
  background: var(--graphite);
}

.page-products .prod-route:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.page-products .prod-route-kicker {
  font-size: 11px;
  letter-spacing: .22em;
  opacity: .78;
}

.page-products .prod-route-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.18;
}

.page-products .prod-route-note {
  font-size: 15px;
  line-height: 1.9;
  max-width: 40ch;
  opacity: .88;
}

.page-products .prod-route-go {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 显现与动效降级 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s ease, transform .5s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-products .filter-chip,
  .page-products .prod-route,
  .page-products .rule-no,
  .page-products .spec-table tbody tr,
  .page-products .flow-step summary {
    transition: none;
  }
}

@media (max-width: 480px) {
  .page-products .prod-card-head {
    flex-wrap: wrap;
  }
  .page-products .pick-need {
    padding-left: 12px;
  }
}