.page-products {
  --ch-rail: 76px;
  --ch-ink-soft: rgba(13, 17, 20, 0.76);
  --ch-ink-faint: rgba(13, 17, 20, 0.62);
  background: var(--paper);
  color: var(--ink);
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */

.page-products .ch-hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--paper);
  padding: clamp(38px, 6vw, 72px) 0 clamp(44px, 7vw, 84px);
}

.page-products .ch-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: 70%;
  height: 176%;
  background: linear-gradient(148deg, rgba(200, 162, 74, 0.24) 0%, rgba(224, 122, 60, 0.10) 44%, rgba(11, 37, 69, 0) 72%);
  transform: rotate(7deg);
  pointer-events: none;
}

.page-products .ch-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44%;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
  pointer-events: none;
}

.page-products .ch-hero-inner {
  position: relative;
  z-index: 2;
}

.page-products .ch-hero .eyebrow {
  color: var(--gold-l);
}

.page-products .ch-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  margin: 14px 0 0;
  color: var(--paper);
}

.page-products .ch-hero .lede {
  font-family: var(--font-editorial);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.92;
  color: rgba(246, 243, 236, 0.84);
  max-width: 60ch;
  margin: 18px 0 0;
}

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

.page-products .ch-hero-stats {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  background: var(--line-gold);
  border: 1px solid var(--line-gold);
}

.page-products .ch-hero-stats li {
  background: rgba(20, 58, 97, 0.62);
  padding: 14px 16px;
}

.page-products .ch-hero-stats .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: 0.04em;
  color: var(--gold-l);
}

.page-products .ch-hero-stats .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(246, 243, 236, 0.68);
}

/* ---------- 十二格坐标索引条 ---------- */

.page-products .ch-index {
  background: var(--navy-2);
  border-bottom: 1px solid var(--line-gold);
  scroll-margin-top: 96px;
}

.page-products .ch-index-list {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .ch-index-list li {
  flex: 0 0 auto;
}

.page-products .ch-index-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 13px;
  border: 1px solid rgba(200, 162, 74, 0.32);
  background: rgba(11, 37, 69, 0.4);
  color: rgba(246, 243, 236, 0.86);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .ch-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ch-index-name {
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-products .ch-index-list a:hover,
.page-products .ch-index-list a:focus-visible {
  background: rgba(235, 217, 163, 0.18);
  border-color: var(--gold);
  color: var(--paper);
  outline: none;
}

.page-products .ch-index-list a:focus-visible {
  box-shadow: 0 0 0 2px var(--gold);
}

@media (min-width: 1024px) {
  .page-products .ch-index-list {
    flex-wrap: wrap;
    overflow: visible;
  }
  .page-products .ch-index-list li {
    flex: 0 0 calc((100% - 40px) / 6);
  }
  .page-products .ch-index-list a {
    width: 100%;
    justify-content: flex-start;
  }
}

/* ---------- 总览与栏目 ---------- */

.page-products .ch-overview {
  padding: clamp(40px, 6vw, 76px) 0 clamp(28px, 4vw, 48px);
}

.page-products .ch-overview-lede {
  max-width: 72ch;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.92;
  color: var(--ch-ink-soft);
}

.page-products .ch-overview-lede::first-letter {
  font-family: var(--font-editorial);
  font-size: 2.4em;
  line-height: 1;
  float: left;
  padding: 4px 10px 0 0;
  color: var(--navy);
}

.page-products .ch-channels {
  margin-top: clamp(24px, 4vw, 44px);
  border-top: 1px solid var(--line-strong);
}

.page-products .ch-channel {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
  transition: background 0.2s var(--ease);
}

.page-products .ch-channel:target {
  background: rgba(235, 217, 163, 0.22);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .ch-channel-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .ch-channel-rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .ch-channel-num {
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--gold);
  line-height: 1;
}

.page-products .ch-channel-scale {
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
}

.page-products .ch-channel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .ch-channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--navy);
}

.page-products .ch-channel-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--jade);
}

.page-products .ch-channel-intro {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ch-ink-soft);
  max-width: 70ch;
}

.page-products .ch-channel-items {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .ch-channel-items li {
  position: relative;
  padding: 11px 0 11px 26px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(13, 17, 20, 0.82);
}

.page-products .ch-channel-items li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .ch-channel-items li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 18px;
  width: 6px;
  height: 6px;
  background: var(--gold-l);
  border: 1px solid var(--gold);
}

@media (min-width: 768px) {
  .page-products .ch-channel {
    padding: 34px 0;
  }
  .page-products .ch-channel-inner {
    grid-template-columns: var(--ch-rail) minmax(0, 1fr);
    gap: 36px;
  }
  .page-products .ch-channel-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .page-products .ch-channel-num {
    font-size: 28px;
  }
  .page-products .ch-channel-scale {
    width: 1px;
    height: auto;
    flex: 1 1 auto;
    background: var(--line-strong);
  }
}

/* ---------- 条目结构 ---------- */

.page-products .ch-fields {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-products .ch-fields-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-products .ch-fields-lede {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ch-ink-soft);
}

.page-products .ch-field-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .ch-field-list li {
  position: relative;
  padding: 16px 0 18px 54px;
  border-top: 1px solid var(--line);
}

.page-products .ch-field-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .ch-field-num {
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ch-field-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.page-products .ch-field-list p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ch-ink-soft);
}

.page-products .ch-fields-figure {
  margin: 0;
}

.page-products .ch-fields-figure .media-frame {
  border: 1px solid var(--line);
}

.page-products .ch-fields-figure .media-caption {
  margin-top: 10px;
}

@media (min-width: 900px) {
  .page-products .ch-fields-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 固定访问区 ---------- */

.page-products .ch-pin {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--paper);
  padding: clamp(48px, 7vw, 88px) 0;
  scroll-margin-top: 96px;
}

.page-products .ch-pin::before {
  content: "";
  position: absolute;
  right: -18%;
  top: -40%;
  width: 58%;
  height: 180%;
  background: linear-gradient(140deg, rgba(224, 122, 60, 0.14) 0%, rgba(11, 37, 69, 0) 62%);
  transform: rotate(6deg);
  pointer-events: none;
}

.page-products .ch-pin-head {
  position: relative;
  z-index: 2;
}

.page-products .ch-pin-head .eyebrow {
  color: var(--gold-l);
}

.page-products .ch-pin-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-products .ch-pin-lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-family: var(--font-editorial);
  font-size: 16px;
  line-height: 1.92;
  color: rgba(246, 243, 236, 0.82);
}

.page-products .ch-pin-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 34px;
}

.page-products .ch-pin-figure {
  margin: 0;
}

.page-products .ch-pin-figure .media-frame {
  border: 1px solid var(--line-gold);
  background: var(--navy-2);
}

.page-products .ch-pin-figure .media-caption {
  margin-top: 10px;
  color: rgba(246, 243, 236, 0.62);
}

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

.page-products .ch-pin-steps li {
  position: relative;
  margin-left: 15px;
  padding: 0 0 24px 42px;
  border-left: 1px solid var(--line-gold);
}

.page-products .ch-pin-steps li:last-child {
  padding-bottom: 0;
}

.page-products .ch-pin-steps li::before {
  counter-increment: pin;
  content: counter(pin, decimal-leading-zero);
  position: absolute;
  left: -15px;
  top: 0;
  width: 30px;
  height: 30px;
  line-height: 28px;
  text-align: center;
  background: var(--navy);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .ch-pin-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .ch-pin-steps p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.86;
  color: rgba(246, 243, 236, 0.76);
}

@media (min-width: 900px) {
  .page-products .ch-pin-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 检索 ---------- */

.page-products .ch-search {
  padding: clamp(48px, 7vw, 88px) 0 clamp(28px, 4vw, 44px);
}

.page-products .ch-search-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 26px;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .ch-search-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border-bottom: 2px solid transparent;
  color: var(--ch-ink-faint);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .ch-search-nav a:hover,
.page-products .ch-search-nav a:focus-visible {
  color: var(--navy);
  background: rgba(235, 217, 163, 0.24);
  border-bottom-color: var(--gold);
  outline: none;
}

.page-products .ch-search-nav a:focus-visible {
  box-shadow: inset 0 0 0 2px var(--gold);
}

.page-products .ch-search-panel {
  display: none;
  padding: 26px 0 0;
  max-width: 74ch;
  scroll-margin-top: 110px;
}

.page-products .ch-search-panels:not(:has(.ch-search-panel:target)) .ch-search-panel:first-child {
  display: block;
}

.page-products .ch-search-panel:target {
  display: block;
}

.page-products .ch-search-panel h3 {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--navy);
}

.page-products .ch-search-panel p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ch-ink-soft);
}

/* ---------- 通栏影像 ---------- */

.page-products .ch-band {
  margin: 0;
  padding: 0 0 clamp(40px, 6vw, 72px);
}

.page-products .ch-band img {
  width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-products .ch-band .media-caption {
  margin-top: 10px;
  padding: 0 var(--gutter);
}

/* ---------- 订阅 ---------- */

.page-products .ch-sub {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-products .ch-sub-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .ch-sub-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.page-products .ch-sub-copy > p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ch-ink-soft);
  max-width: 62ch;
}

.page-products .ch-sub-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .ch-sub-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ch-ink-soft);
}

.page-products .ch-sub-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .ch-sub-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ch-sub-card {
  align-self: start;
  background: var(--navy-2);
  border: 1px solid var(--line-gold);
  padding: 26px 24px;
  color: var(--paper);
}

.page-products .ch-sub-card-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(246, 243, 236, 0.64);
}

.page-products .ch-sub-card-ver {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 44px);
  letter-spacing: 0.05em;
  color: var(--gold-l);
  line-height: 1.1;
}

.page-products .ch-sub-card-div {
  margin: 18px 0 0;
  height: 1px;
  background: var(--line-gold);
}

.page-products .ch-sub-card-meta {
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.page-products .ch-sub-card-meta div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
}

.page-products .ch-sub-card-meta dt {
  font-size: 13px;
  color: rgba(246, 243, 236, 0.66);
}

.page-products .ch-sub-card-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .ch-sub-card-link {
  margin: 24px 0 0;
}

.page-products .ch-sub-card-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--gold-l);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .ch-sub-card-link a:hover,
.page-products .ch-sub-card-link a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  outline: none;
}

@media (min-width: 900px) {
  .page-products .ch-sub-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 56px;
  }
}

/* ---------- 使用场景 ---------- */

.page-products .ch-scenes {
  padding: 0 0 clamp(44px, 6vw, 80px);
}

.page-products .ch-scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.page-products .ch-scene:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .ch-scene-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-products .ch-scene-copy h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--navy);
}

.page-products .ch-scene-copy p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ch-ink-soft);
}

.page-products .ch-scene-chain {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--indigo);
  padding-top: 4px;
  border-top: 1px dashed var(--line-gold);
}

.page-products .ch-scene-figure {
  margin: 0;
}

.page-products .ch-scene-figure .media-frame {
  border: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-products .ch-scene {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
    align-items: center;
    padding: 38px 0;
  }
  .page-products .ch-scene--flip .ch-scene-figure {
    order: -1;
  }
}

/* ---------- 结尾 ---------- */

.page-products .ch-cta {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-products .ch-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  background: var(--mist);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  padding: clamp(26px, 4vw, 40px);
}

.page-products .ch-cta-inner h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.page-products .ch-cta-inner p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ch-ink-soft);
  max-width: 52ch;
}

.page-products .ch-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 820px) {
  .page-products .ch-cta-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 40px;
  }
  .page-products .ch-cta-actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}