.page-products {
  --panel-gap: clamp(24px, 3vw, 40px);
}

/* ==== 面包屑与页头 ==== */
.page-products .page-crumb {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
}

.page-products .page-intro {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--ink-14);
}

.page-products .intro-grid {
  display: grid;
  gap: var(--space-5);
  padding-top: var(--space-3);
}

@media (min-width: 920px) {
  .page-products .intro-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.6fr);
    align-items: end;
    gap: var(--space-6);
  }
}

.page-products .intro-main h1 {
  font-family: var(--font-title);
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 var(--space-3);
  max-width: 16ch;
}

.page-products .intro-main .lede {
  max-width: 52ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
}

.page-products .intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-products .intro-side {
  padding-top: var(--space-4);
}

@media (min-width: 920px) {
  .page-products .intro-side {
    padding-top: 0;
  }
}

.page-products .intro-facts {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--mist);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius-card);
  margin: 0;
}

.page-products .intro-facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--ink-08);
}

.page-products .intro-facts > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .intro-facts dt {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-products .intro-facts dd {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

/* ==== 概览 ==== */
.page-products .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

@media (min-width: 720px) {
  .page-products .overview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .overview-card {
  position: relative;
  padding: var(--space-4);
  background: var(--mist);
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-08);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-products .overview-card--feature {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--gold-25);
}

.page-products .overview-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--deep-gold);
  letter-spacing: 0.08em;
}

.page-products .overview-card--feature .overview-num {
  color: var(--gold);
}

.page-products .overview-title {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  line-height: 1.3;
}

.page-products .overview-card--feature .overview-title {
  color: var(--cream);
}

.page-products .overview-text {
  font-size: 15px;
  color: var(--stone);
  line-height: 1.7;
  margin: 0;
}

.page-products .overview-card--feature .overview-text {
  color: var(--cream-70);
}

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

.page-products .overview-list li {
  font-size: 13px;
  padding: 4px 10px;
  background: var(--ink-08);
  color: var(--moss);
  border-radius: var(--radius-pill);
  line-height: 1.5;
}

.page-products .overview-card--feature .overview-list li {
  background: rgba(244, 239, 228, 0.12);
  color: var(--sand);
}

.page-products .overview-note {
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--ink-14);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.05em;
}

.page-products .overview-card--feature .overview-note {
  border-top-color: var(--gold-25);
  color: var(--cream-55);
}

.page-products .overview-visual {
  margin: var(--space-5) 0 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

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

/* ==== 档案区（标签页 + 权益速览） ==== */
.page-products .files-layout {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

@media (min-width: 1024px) {
  .page-products .files-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

.page-products .files-main {
  min-width: 0;
}

.page-products .files-media {
  margin: 0 0 var(--space-4);
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

.page-products .files-aside {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-products .files-aside {
    position: sticky;
    top: 100px;
  }
}

/* --- 标签页 --- */
.page-products .line-tabs {
  position: relative;
}

.page-products .line-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-products .line-tab-bar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--ink-14);
  margin-bottom: var(--space-4);
}

.page-products .line-tab {
  cursor: pointer;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--slate);
  border-radius: var(--radius-pill) var(--radius-pill) 0 0;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  user-select: none;
  position: relative;
  bottom: -1px;
  border-bottom: 2px solid transparent;
}

.page-products .line-tab:hover {
  color: var(--moss);
}

.page-products #line-tab-basic:focus-visible ~ .line-tab-bar [for="line-tab-basic"],
.page-products #line-tab-advanced:focus-visible ~ .line-tab-bar [for="line-tab-advanced"],
.page-products #line-tab-archive:focus-visible ~ .line-tab-bar [for="line-tab-archive"] {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products #line-tab-basic:checked ~ .line-tab-bar [for="line-tab-basic"],
.page-products #line-tab-advanced:checked ~ .line-tab-bar [for="line-tab-advanced"],
.page-products #line-tab-archive:checked ~ .line-tab-bar [for="line-tab-archive"] {
  background: var(--ink);
  color: var(--cream);
  border-bottom-color: var(--gold);
}

.page-products .line-tab-panel {
  display: none;
}

.page-products #line-tab-basic:checked ~ .line-tab-panels .line-tab-panel:nth-child(1),
.page-products #line-tab-advanced:checked ~ .line-tab-panels .line-tab-panel:nth-child(2),
.page-products #line-tab-archive:checked ~ .line-tab-panels .line-tab-panel:nth-child(3) {
  display: block;
}

.page-products .line-panel-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0 0 var(--space-4);
}

.page-products .line-panel-facts {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.page-products .line-panel-facts > div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px dashed var(--ink-14);
}

.page-products .line-panel-facts > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .line-panel-facts dt {
  font-size: 13px;
  color: var(--slate);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-products .line-panel-facts dd {
  font-size: 15px;
  color: var(--ink);
  margin: 0;
  line-height: 1.7;
}

/* --- 权益速览 --- */
.page-products .benefit-summary {
  padding: var(--space-4);
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-card);
}

.page-products .benefit-summary-title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 var(--space-2);
  color: var(--cream);
}

.page-products .benefit-summary-lede {
  font-size: 14px;
  color: var(--cream-70);
  margin: 0 0 var(--space-3);
  line-height: 1.7;
}

.page-products .benefit-tiers {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-products .benefit-tiers li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(244, 239, 228, 0.12);
}

.page-products .benefit-tiers li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .benefit-tier-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-products .benefit-tier-name {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  color: var(--sand);
  display: block;
  margin-bottom: 4px;
}

.page-products .benefit-tiers p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--cream-70);
}

.page-products .benefit-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-2);
}

.page-products .benefit-meta .tag--moss {
  background: rgba(200, 169, 106, 0.18);
  color: var(--sand);
  border-color: transparent;
}

.page-products .benefit-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--cream-55);
  margin: 0 0 var(--space-3);
}

.page-products .benefit-summary .btn--outline {
  border-color: var(--gold-40);
  color: var(--cream);
}

.page-products .benefit-summary .btn--outline:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

/* ==== 价格 ==== */
.page-products .pricing-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

@media (min-width: 900px) {
  .page-products .pricing-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: var(--space-5);
  }
}

.page-products .pricing-table-wrap {
  background: var(--mist);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  border: 1px solid var(--ink-08);
}

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

.page-products .pricing-table th,
.page-products .pricing-table td {
  padding: 14px 10px;
  text-align: left;
  border-bottom: 1px solid var(--ink-08);
  vertical-align: top;
}

.page-products .pricing-table thead th {
  font-size: 12px;
  font-weight: 700;
  color: var(--slate);
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--ink-14);
}

.page-products .pricing-table tbody th {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  width: 28%;
}

.page-products .pricing-table tbody td {
  color: var(--stone);
  line-height: 1.65;
}

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

.page-products .pricing-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--deep-gold);
  font-weight: 700;
}

.page-products .pricing-expand {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pricing-expand details {
  background: var(--cream);
  border-radius: var(--radius-card);
  padding: 0 var(--space-3);
  transition: background var(--dur) var(--ease);
}

.page-products .pricing-expand details[open] {
  background: var(--mist);
  padding-bottom: var(--space-3);
}

.page-products .pricing-expand summary {
  cursor: pointer;
  padding: var(--space-3) 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.page-products .pricing-expand summary::-webkit-details-marker {
  display: none;
}

.page-products .pricing-expand summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--deep-gold);
  line-height: 1;
}

.page-products .pricing-expand details[open] summary::after {
  content: "−";
}

.page-products .pricing-expand details p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .pricing-footnote {
  margin: var(--space-3) 0 0;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.7;
}

.page-products .pricing-visual {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 5 / 4;
}

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

/* ==== 完整权益清单 ==== */
.page-products .benefits-layout {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

@media (min-width: 900px) {
  .page-products .benefits-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
}

.page-products .tier-matrix {
  position: relative;
  min-width: 0;
}

.page-products .tier-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-products .tier-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-3);
}

.page-products .tier-tab {
  cursor: pointer;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
  background: var(--mist);
  border: 1px solid var(--ink-08);
  border-radius: var(--radius-pill);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  user-select: none;
}

.page-products .tier-tab:hover {
  color: var(--moss);
  border-color: var(--gold-40);
}

.page-products #tier-all:checked ~ .tier-tabs [for="tier-all"],
.page-products #tier-browse:checked ~ .tier-tabs [for="tier-browse"],
.page-products #tier-collect:checked ~ .tier-tabs [for="tier-collect"],
.page-products #tier-collab:checked ~ .tier-tabs [for="tier-collab"] {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.page-products .tier-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink-14);
}

.page-products .tier-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-2);
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--ink-08);
  font-size: 15px;
  color: var(--ink);
  line-height: 1.65;
}

.page-products .tier-level {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--deep-gold);
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border: 1px solid var(--gold-40);
  border-radius: var(--radius-pill);
  text-align: center;
  line-height: 1.4;
}

.page-products .tier-item[data-tier="collect"] .tier-level {
  color: var(--moss);
  border-color: rgba(30, 77, 61, 0.3);
}

.page-products .tier-item[data-tier="collab"] .tier-level {
  color: var(--clay);
  border-color: rgba(181, 106, 76, 0.35);
}

.page-products #tier-browse:checked ~ .tier-list .tier-item[data-tier="collect"],
.page-products #tier-browse:checked ~ .tier-list .tier-item[data-tier="collab"],
.page-products #tier-collect:checked ~ .tier-list .tier-item[data-tier="browse"],
.page-products #tier-collect:checked ~ .tier-list .tier-item[data-tier="collab"],
.page-products #tier-collab:checked ~ .tier-list .tier-item[data-tier="browse"],
.page-products #tier-collab:checked ~ .tier-list .tier-item[data-tier="collect"] {
  display: none;
}

.page-products .tier-note {
  margin: var(--space-3) 0 0;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.7;
}

.page-products .benefits-visual {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

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

/* ==== 适用场景 ==== */
.page-products .scenarios-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .page-products .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-products .scenario-card {
  padding: var(--space-4);
  background: var(--mist);
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-08);
}

.page-products .scenario-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--deep-gold);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.page-products .scenario-card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--space-2);
  line-height: 1.35;
}

.page-products .scenario-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
  margin: 0;
}

.page-products .scenario-pick {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--gold-40);
  font-size: 14px;
  font-weight: 600;
  color: var(--deep-gold);
}

/* ==== 流程 ==== */
.page-products .process-timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0;
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-products .process-timeline {
    grid-template-columns: repeat(4, 1fr);
    position: relative;
  }
  .page-products .process-timeline::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gold-40);
  }
}

.page-products .process-step {
  position: relative;
  padding-top: var(--space-5);
  min-width: 0;
}

.page-products .process-num {
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  border: 2px solid var(--gold);
  z-index: 1;
}

.page-products .process-step h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--space-2);
}

.page-products .process-step p {
  margin: 0 0 var(--space-2);
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .process-prep {
  font-size: 13px;
  color: var(--slate);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--ink-14);
}

.page-products .process-cta {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-card);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}

.page-products .process-cta p {
  margin: 0;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
  flex: 1 1 220px;
  line-height: 1.4;
}

.page-products .process-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-products .process-cta .btn--outline {
  border-color: var(--gold-40);
  color: var(--cream);
}

.page-products .process-cta .btn--outline:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

/* ==== 移动端说明 ==== */
.page-products .mobile-note-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 800px) {
  .page-products .mobile-note-grid {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: center;
    gap: var(--space-5);
  }
}

.page-products .mobile-note-visual {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.page-products .mobile-note-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .mobile-note-body h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 var(--space-2);
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-products .mobile-note-body > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0 0 var(--space-3);
}

.page-products .mobile-note-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-products .mobile-note-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .mobile-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 2px;
}

/* ==== 响应式细节 ==== */
@media (max-width: 640px) {
  .page-products .line-tab-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 2px;
  }
  .page-products .line-tab-bar::-webkit-scrollbar {
    display: none;
  }
  .page-products .line-tab {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 13px;
    padding: 10px 14px;
  }
  .page-products .pricing-table-wrap {
    padding: var(--space-3);
    overflow-x: auto;
  }
  .page-products .pricing-table {
    font-size: 13px;
    min-width: 400px;
  }
  .page-products .pricing-table th,
  .page-products .pricing-table td {
    padding: 10px 8px;
  }
  .page-products .tier-item {
    grid-template-columns: 64px 1fr;
    font-size: 14px;
    padding: 12px 2px;
  }
  .page-products .process-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-products .line-panel-facts > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .page-products .intro-facts > div {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>