.page-products {
  --appt-rail-w: 236px;
  --appt-gap: clamp(20px, 3.2vw, 44px);
  --appt-pad: clamp(18px, 3vw, 34px);
  --appt-soft: rgba(201, 164, 92, 0.14);
  --appt-soft-strong: rgba(201, 164, 92, 0.26);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .appt-crumb-wrap {
  padding-block: 14px 6px;
}

/* ---------- 首屏 ---------- */
.page-products .appt-hero {
  background: linear-gradient(118deg, var(--wine) 0%, var(--wine-deep) 78%, var(--wine-deep) 100%);
  color: var(--cream);
  padding-block: clamp(28px, 5vw, 64px);
  border-bottom: 1px solid var(--gold);
}

.page-products .appt-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-products .appt-hero-copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .appt-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 48px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .appt-lede {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.86);
  max-width: 62ch;
}

.page-products .appt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-products .appt-hero-actions .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--wine-deep);
  font-weight: 700;
}

.page-products .appt-hero-actions .btn--primary:hover,
.page-products .appt-hero-actions .btn--primary:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.page-products .appt-hero-actions .btn--ghost {
  color: var(--gold-light);
  border-color: var(--line-gold);
}

.page-products .appt-hero-actions .btn--ghost:hover,
.page-products .appt-hero-actions .btn--ghost:focus-visible {
  border-color: var(--gold-light);
  color: var(--paper);
}

.page-products .appt-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(201, 164, 92, 0.4);
}

.page-products .appt-figures dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(246, 241, 231, 0.72);
  margin-bottom: 6px;
}

.page-products .appt-figures dd {
  margin: 0;
  font-size: 13px;
  color: rgba(246, 241, 231, 0.9);
}

.page-products .appt-fig-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  color: var(--gold-light);
  margin-right: 4px;
}

.page-products .appt-hero-visual {
  position: relative;
  min-height: 250px;
  border: 1px solid var(--line-gold);
  background:
    repeating-linear-gradient(90deg, rgba(201, 164, 92, 0.14) 0 1px, transparent 1px 46px),
    radial-gradient(ellipse at 72% 4%, rgba(228, 201, 139, 0.32), transparent 58%),
    linear-gradient(176deg, #4c1119 0%, #2a0910 100%);
  overflow: hidden;
}

.page-products .appt-hero-visual::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(201, 164, 92, 0.28);
}

.page-products .appt-beam {
  position: absolute;
  bottom: 0;
  width: 13%;
  background: linear-gradient(180deg, rgba(228, 201, 139, 0.44), rgba(228, 201, 139, 0.03));
  border-top: 2px solid var(--gold-light);
}

.page-products .appt-beam--a {
  left: 14%;
  height: 48%;
}

.page-products .appt-beam--b {
  left: 42%;
  height: 66%;
}

.page-products .appt-beam--c {
  left: 70%;
  height: 38%;
}

.page-products .appt-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22%;
  background:
    repeating-linear-gradient(90deg, rgba(201, 164, 92, 0.22) 0 1px, transparent 1px 34px),
    linear-gradient(180deg, transparent, rgba(23, 20, 18, 0.55));
}

/* ---------- 档案架式主体 ---------- */
.page-products .appt-shell {
  display: grid;
  gap: var(--appt-gap);
  padding-block: clamp(30px, 4vw, 56px) clamp(40px, 5vw, 72px);
}

.page-products .appt-rail {
  border-top: 2px solid var(--wine);
  padding-top: 14px;
}

.page-products .appt-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--line);
}

.page-products .appt-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .appt-rail-list li {
  flex: 0 0 auto;
}

.page-products .appt-rail .toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line-soft);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}

.page-products .appt-rail .toc-link:hover,
.page-products .appt-rail .toc-link:focus-visible {
  border-color: var(--gold);
  color: var(--wine);
}

.page-products .appt-rail .toc-link[aria-current="location"] {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--paper);
}

.page-products .appt-rail .toc-link[aria-current="location"] .appt-rail-no {
  color: var(--gold-light);
}

.page-products .appt-rail-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .appt-rail-note {
  display: none;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

.page-products .appt-content {
  min-width: 0;
}

.page-products .appt-sec {
  padding-block: clamp(26px, 4vw, 52px);
  border-top: 1px solid var(--line-soft);
}

.page-products .appt-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .appt-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .appt-sec-no {
  grid-row: span 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-products .appt-sec-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 29px);
  line-height: 1.32;
  color: var(--wine);
}

.page-products .appt-sec-lede {
  grid-column: 2;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 70ch;
}

/* ---------- 三类入口卡 ---------- */
.page-products .appt-entries {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .appt-entry {
  position: relative;
  padding: var(--appt-pad);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .appt-entry::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 3px;
  background: var(--wine);
}

.page-products .appt-entry:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .appt-entry-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .appt-entry-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .appt-entry-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(23, 20, 18, 0.82);
}

.page-products .appt-entry-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .appt-entry-link:hover,
.page-products .appt-entry-link:focus-visible {
  color: var(--teal);
  border-color: var(--teal);
}

/* ---------- 图片 ---------- */
.page-products .appt-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--wine-deep);
}

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

.page-products .appt-figcap {
  padding: 11px 16px;
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.65;
  color: var(--line);
}

/* ---------- 排查路径 ---------- */
.page-products .appt-path {
  display: flex;
  gap: 6px;
  margin: 0 0 18px;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .appt-path-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .appt-path-dot {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--wine);
  border: 1px solid var(--line-gold);
  padding: 1px 5px;
}

.page-products .appt-triage {
  display: grid;
  gap: 10px;
}

.page-products .appt-triage details {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  transition: border-color 220ms var(--ease);
}

.page-products .appt-triage details[open] {
  border-color: var(--line-gold);
}

.page-products .appt-triage summary {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 15px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  list-style: none;
}

.page-products .appt-triage summary::-webkit-details-marker {
  display: none;
}

.page-products .appt-triage summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-products .appt-triage details[open] summary::after {
  content: "–";
  color: var(--teal);
}

.page-products .appt-triage summary:hover {
  color: var(--wine);
}

.page-products .appt-triage-no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--wine);
  border: 1px solid var(--line-gold);
  padding: 2px 5px;
  margin-top: 1px;
}

.page-products .appt-triage-body {
  padding: 0 16px 16px 44px;
  border-top: 1px solid var(--line-soft);
}

.page-products .appt-triage-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(23, 20, 18, 0.84);
}

.page-products .appt-more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--line);
}

.page-products .appt-more a {
  color: var(--wine);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .appt-more a:hover,
.page-products .appt-more a:focus-visible {
  color: var(--teal);
  border-color: var(--teal);
}

/* ---------- 版本对照表 ---------- */
.page-products .appt-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  background: var(--paper);
}

.page-products .appt-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .appt-table th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--wine);
  white-space: nowrap;
}

.page-products .appt-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.65;
  color: rgba(23, 20, 18, 0.86);
  vertical-align: top;
}

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

.page-products .appt-table tbody tr:hover td,
.page-products .appt-table tbody tr:focus-within td {
  background: var(--appt-soft);
}

.page-products .appt-table td:first-child {
  font-family: var(--font-mono);
  color: var(--ink);
  white-space: nowrap;
}

.page-products .appt-ver {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--wine);
  background: var(--appt-soft-strong);
  border: 1px solid var(--line-gold);
  white-space: nowrap;
}

.page-products .appt-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 2.4vw, 24px) 0;
}

.page-products .appt-figure--portrait img {
  aspect-ratio: 3 / 4;
  object-position: center;
}

/* ---------- 移动端导览 ---------- */
.page-products .appt-mobile-grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

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

.page-products .appt-feature {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .appt-feature-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-products .appt-feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--wine);
}

.page-products .appt-feature p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(23, 20, 18, 0.82);
}

/* ---------- 场景 ---------- */
.page-products .appt-scene-grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.page-products .appt-scenes {
  display: grid;
  gap: 12px;
}

.page-products .appt-scene {
  padding: 16px 18px;
  background: var(--paper);
  border-left: 3px solid var(--gold);
  border-top: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  transition: border-color 220ms var(--ease);
}

.page-products .appt-scene:hover {
  border-left-color: var(--wine);
}

.page-products .appt-scene h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .appt-scene p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(23, 20, 18, 0.82);
}

/* ---------- 服务支持 ---------- */
.page-products .appt-support-grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.page-products .appt-contact-box {
  padding: var(--appt-pad);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--wine);
}

.page-products .appt-contact-line {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .appt-contact-line span {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--line);
  margin-bottom: 4px;
}

.page-products .appt-contact-line a {
  color: var(--wine);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  word-break: break-all;
}

.page-products .appt-contact-line a:hover,
.page-products .appt-contact-line a:focus-visible {
  color: var(--teal);
  border-color: var(--teal);
}

.page-products .appt-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: -4px 0 18px;
}

.page-products .appt-copy-row .copy-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  color: var(--wine);
  background: transparent;
  border: 1px solid var(--line-gold);
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .appt-copy-row .copy-btn:hover,
.page-products .appt-copy-row .copy-btn:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--wine-deep);
}

.page-products .appt-copy-row .copy-btn[data-copied] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--paper);
}

.page-products .appt-mini-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--teal);
}

.page-products .appt-mini-note::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .appt-entries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .appt-entry {
    padding: 20px 18px;
  }
}

@media (min-width: 860px) {
  .page-products .appt-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-products .appt-hero-visual {
    min-height: 380px;
  }

  .page-products .appt-mobile-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-products .appt-figure--portrait {
    max-width: 380px;
    justify-self: end;
    width: 100%;
  }

  .page-products .appt-scene-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-products .appt-support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-products .appt-shell {
    grid-template-columns: var(--appt-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .appt-rail {
    position: sticky;
    top: 112px;
  }

  .page-products .appt-rail-list {
    flex-direction: column;
    overflow-x: visible;
    gap: 6px;
    padding-bottom: 0;
  }

  .page-products .appt-rail .toc-link {
    display: flex;
    white-space: normal;
    border-color: transparent;
    border-left: 2px solid var(--line-soft);
    background: transparent;
  }

  .page-products .appt-rail .toc-link:hover,
  .page-products .appt-rail .toc-link:focus-visible {
    border-left-color: var(--gold);
    background: var(--paper);
  }

  .page-products .appt-rail .toc-link[aria-current="location"] {
    border-left-color: var(--gold);
    background: var(--paper);
    color: var(--wine);
  }

  .page-products .appt-rail .toc-link[aria-current="location"] .appt-rail-no {
    color: var(--wine);
  }

  .page-products .appt-rail-note {
    display: block;
  }

  .page-products .appt-sec-head {
    grid-template-columns: 64px minmax(0, 1fr);
    column-gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .appt-entry,
  .page-products .appt-scene,
  .page-products .appt-triage details,
  .page-products .appt-rail .toc-link,
  .page-products .appt-copy-row .copy-btn {
    transition: none;
  }

  .page-products .appt-entry:hover {
    transform: none;
  }
}