.page-products {
  --prod-rail-w: 216px;
  --prod-cut: 16px;
  background: var(--ink-night);
}

/* ---------- 首屏 ---------- */
.page-products .catalog-hero {
  position: relative;
  padding: var(--rhythm-2) 0 var(--rhythm-1);
  overflow: hidden;
}

.page-products .catalog-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 62vw;
  height: 62vw;
  max-width: 780px;
  max-height: 780px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(124, 90, 224, 0.34), rgba(42, 30, 74, 0) 68%);
  pointer-events: none;
}

.page-products .catalog-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(217, 169, 60, 0) 0%, rgba(217, 169, 60, 0.6) 30%, rgba(124, 90, 224, 0.5) 72%, rgba(217, 169, 60, 0) 100%);
}

.page-products .catalog-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-products .hero-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

.page-products .hero-copy h1 {
  margin: 20px 0 0;
  font-size: var(--step-display);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ice-white);
  max-width: 16ch;
}

.page-products .hero-lede {
  margin-top: 26px;
  max-width: 58ch;
  font-size: clamp(1rem, 1.25vw, 1.14rem);
  line-height: 1.95;
  color: var(--on-dark-muted);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.page-products .hero-index {
  border: 1px solid var(--hairline-dark);
  border-radius: 4px;
  padding: 24px 22px 18px;
  background: linear-gradient(160deg, rgba(19, 32, 63, 0.86), rgba(10, 16, 38, 0.72));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
}

.page-products .hero-index__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pale-gold);
  margin-bottom: 16px;
}

.page-products .hero-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .hero-index__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 4px;
  border-bottom: 1px dashed rgba(240, 212, 138, 0.14);
  color: var(--on-dark);
  text-decoration: none;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .hero-index__list li:last-child a {
  border-bottom: 0;
}

.page-products .hero-index__list a:hover {
  color: var(--pale-gold);
  transform: translateX(4px);
}

.page-products .idx-no {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--crest-gold);
  flex: none;
}

.page-products .idx-txt {
  font-size: 15px;
  line-height: 1.5;
}

.page-products .hero-facts {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(40px, 6vw, 72px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  border-top: 1px solid var(--hairline-dark);
  padding-top: 26px;
}

.page-products .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .fact-num {
  font-family: var(--font-num);
  font-weight: 200;
  font-size: clamp(1.8rem, 4.4vw, 2.9rem);
  line-height: 1;
  color: var(--pale-gold);
  letter-spacing: -0.01em;
}

.page-products .fact-lab {
  font-size: 13px;
  color: var(--on-dark-muted);
  letter-spacing: 0.04em;
}

/* ---------- 目录骨架 ---------- */
.page-products .catalog-wrap {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.page-products .catalog-rail {
  display: none;
}

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

/* ---------- 章节通用 ---------- */
.page-products .cat-sec {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-products .cat-sec--paper {
  background: var(--warm-paper);
  color: var(--on-light);
}

.page-products .cat-sec--ice {
  background: var(--ice-white);
  color: var(--on-light);
}

.page-products .cat-sec--cloud {
  background: var(--deep-cloud);
  color: var(--on-dark);
}

.page-products .cat-sec--night {
  background: var(--ink-night);
  color: var(--on-dark);
}

.page-products .cat-sec--paper,
.page-products .cat-sec--ice,
.page-products .cat-sec--cloud,
.page-products .cat-sec--night {
  padding-inline: clamp(20px, 4vw, 52px);
}

.page-products .sec-head {
  max-width: 62ch;
}

.page-products .sec-head .chapter-no {
  display: block;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--crest-gold);
  margin-bottom: 14px;
}

.page-products .sec-head .band {
  display: inline-block;
  margin-bottom: 16px;
}

.page-products .sec-head h2 {
  font-size: var(--step-2);
  line-height: 1.24;
  letter-spacing: -0.015em;
  margin: 0;
  color: inherit;
}

.page-products .sec-lede {
  margin-top: 20px;
  font-size: clamp(1rem, 1.15vw, 1.06rem);
  line-height: 1.95;
}

.page-products .cat-sec--paper .sec-lede,
.page-products .cat-sec--ice .sec-lede {
  color: var(--on-light-muted);
}

.page-products .cat-sec--cloud .sec-lede,
.page-products .cat-sec--night .sec-lede {
  color: var(--on-dark-muted);
}

.page-products .cat-sec figure {
  margin: 0;
}

.page-products .cat-sec .media-frame {
  margin-top: clamp(32px, 4.5vw, 52px);
  border-radius: 4px;
  overflow: hidden;
}

/* ---------- 会员中心 ---------- */
.page-products .module-grid {
  margin-top: clamp(38px, 5vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .module-card {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--ice-white);
  border: 1px solid var(--hairline-light);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), 0 100%);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.page-products .module-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 42px;
  background: var(--crest-gold);
}

.page-products .module-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px -22px rgba(10, 16, 38, 0.5);
}

.page-products .mod-no {
  display: block;
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink-gold);
  margin-bottom: 14px;
}

.page-products .module-card h3 {
  font-size: clamp(1.2rem, 1.9vw, 1.45rem);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink-night);
}

.page-products .module-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--on-light-muted);
}

/* ---------- 活动规则 ---------- */
.page-products .rule-layout {
  margin-top: clamp(34px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-products .rule-groups {
  display: grid;
  gap: 16px;
}

.page-products .crowd-card {
  padding: 24px 22px;
  background: linear-gradient(150deg, rgba(42, 30, 74, 0.72), rgba(19, 32, 63, 0.6));
  border: 1px solid rgba(124, 90, 224, 0.34);
  border-radius: 4px;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-products .crowd-card:hover {
  border-color: rgba(124, 90, 224, 0.7);
  transform: translateY(-6px);
}

.page-products .crowd-card h3 {
  margin: 16px 0 10px;
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  color: var(--ice-white);
  letter-spacing: -0.01em;
}

.page-products .crowd-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.92;
  color: var(--on-dark-muted);
}

.page-products .row-note {
  margin-top: 14px !important;
  padding-top: 13px;
  border-top: 1px dashed rgba(240, 212, 138, 0.2);
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 12.5px !important;
  letter-spacing: 0.03em;
  color: var(--ice-blue) !important;
}

.page-products .rule-figure {
  border: 1px solid var(--hairline-dark);
}

.page-products .rule-notes {
  margin-top: clamp(34px, 4.5vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline-dark);
}

.page-products .note-item h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--pale-gold);
}

.page-products .note-item p {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.92;
  color: var(--on-dark-muted);
}

/* ---------- 案例合集 ---------- */
.page-products .case-layout {
  margin-top: clamp(34px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-products .case-figure {
  border: 1px solid var(--hairline-light);
}

.page-products .theme-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline-light);
}

.page-products .theme-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--hairline-light);
}

.page-products .theme-name {
  font-size: 1rem;
  color: var(--ink-night);
  letter-spacing: 0.01em;
}

.page-products .theme-name::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--crest-gold);
  vertical-align: middle;
  margin-right: 12px;
}

.page-products .theme-count {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-gold);
  white-space: nowrap;
}

.page-products .case-meta {
  margin-top: 26px;
  border-left: 3px solid var(--crest-gold);
  padding-left: 18px;
}

.page-products .meta-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--hairline-light);
}

.page-products .meta-row:last-child {
  border-bottom: 0;
}

.page-products .meta-key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--on-light-muted);
}

.page-products .meta-val {
  font-size: 14.4px;
  line-height: 1.75;
  color: var(--ink-night);
}

.page-products .case-note {
  margin: 24px 0 0;
  font-size: 14.6px;
  line-height: 1.92;
  color: var(--on-light-muted);
}

/* ---------- 帮助文档 ---------- */
.page-products .help-layout {
  margin-top: clamp(34px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-products .help-figure {
  border: 1px solid var(--hairline-light);
}

.page-products .help-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .help-cats li {
  display: grid;
  grid-template-columns: 64px 66px minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.6);
  border-left: 3px solid var(--ice-blue);
  border-radius: 2px;
}

.page-products .hc-name {
  font-size: 15px;
  color: var(--ink-night);
  letter-spacing: 0.02em;
}

.page-products .hc-num {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: #3C6A9E;
}

.page-products .hc-desc {
  font-size: 13.6px;
  line-height: 1.7;
  color: var(--on-light-muted);
}

.page-products .quick-card {
  margin-top: 22px;
  padding: 24px 22px;
  background: var(--ink-night);
  border-radius: 4px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--prod-cut)));
}

.page-products .quick-card h3 {
  margin: 14px 0 10px;
  font-size: 1.15rem;
  color: var(--ice-white);
  letter-spacing: -0.01em;
}

.page-products .quick-card p {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.92;
  color: var(--on-dark-muted);
}

.page-products .help-foot {
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--hairline-light);
  font-size: 14.8px;
  line-height: 1.95;
  color: var(--on-light-muted);
  max-width: 68ch;
}

/* ---------- 站内检索 ---------- */
.page-products .search-layout {
  margin-top: clamp(34px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-products .search-figure {
  border: 1px solid var(--hairline-dark);
}

.page-products .dim-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: dim;
}

.page-products .dim-list li {
  display: grid;
  grid-template-columns: 40px 84px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline-dark);
}

.page-products .dim-no {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--crest-gold);
}

.page-products .dim-name {
  font-size: 15.4px;
  color: var(--ice-white);
  letter-spacing: 0.02em;
}

.page-products .dim-use {
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--on-dark-muted);
}

.page-products .search-tips {
  margin-top: clamp(30px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .search-tips p {
  margin: 0;
  padding: 18px 20px;
  background: rgba(19, 32, 63, 0.72);
  border-left: 3px solid var(--aurora-purple);
  border-radius: 2px;
  font-size: 14.8px;
  line-height: 1.92;
  color: var(--on-dark-muted);
}

.page-products .search-tips strong {
  color: var(--pale-gold);
  font-weight: 700;
}

/* ---------- 选择路线 ---------- */
.page-products .route-grid {
  margin-top: clamp(34px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .route-card {
  position: relative;
  padding: 26px 24px 22px;
  background: var(--ice-white);
  border: 1px solid var(--hairline-light);
  border-top: 3px solid var(--aurora-purple);
  border-radius: 3px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.page-products .route-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px -22px rgba(10, 16, 38, 0.45);
}

.page-products .route-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-gold);
  border-bottom: 2px solid var(--crest-gold);
  padding-bottom: 3px;
  margin-bottom: 16px;
}

.page-products .route-card h3 {
  margin: 0 0 16px;
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink-night);
}

.page-products .route-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .route-steps li {
  position: relative;
  padding-left: 22px;
  font-size: 14.6px;
  line-height: 1.8;
  color: var(--on-light-muted);
}

.page-products .route-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 1.5px;
  background: var(--crest-gold);
}

.page-products .route-out {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hairline-light);
  font-size: 13.4px;
  line-height: 1.7;
  color: var(--on-light-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .rule-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

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

  .page-products .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .hero-body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    gap: clamp(40px, 5vw, 76px);
  }

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

  .page-products .rule-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 34px;
  }

  .page-products .case-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
  }

  .page-products .help-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-products .search-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
  }
}

@media (min-width: 1100px) {
  .page-products .catalog-wrap {
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 3vw, 48px);
  }

  .page-products .catalog-content {
    margin-inline: calc(-1 * clamp(20px, 4vw, 52px)) 0;
  }

  .page-products .catalog-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h-slim) + 34px);
    align-self: start;
    padding: clamp(56px, 8vw, 104px) 0 0;
  }

  .page-products .rail-title {
    font-size: 11.5px;
    letter-spacing: 0.18em;
    color: var(--mist-blue);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline-dark);
  }

  .page-products .catalog-rail ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-products .catalog-rail li {
    position: relative;
  }

  .page-products .catalog-rail a {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 11px 0 11px 14px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--mist-blue);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
  }

  .page-products .catalog-rail a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 1px;
    background: var(--mist-blue);
    opacity: 0.5;
    transition: width 0.3s var(--ease), background 0.3s var(--ease);
  }

  .page-products .catalog-rail a:hover,
  .page-products .catalog-rail a.is-active {
    color: var(--pale-gold);
    border-left-color: var(--crest-gold);
  }

  .page-products .catalog-rail a.is-active::before {
    width: 12px;
    background: var(--crest-gold);
    opacity: 1;
  }

  .page-products .rail-no {
    font-family: var(--font-num);
    font-weight: 300;
    font-size: 11.5px;
    letter-spacing: 0.08em;
    color: var(--crest-gold);
    flex: none;
  }
}
<<<END>>>