.page-products {
  --pro-shadow: 0 18px 40px rgba(6, 10, 22, .45);
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .pro-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(24px, 4vw, 48px);
}

.page-products .pro-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -180px;
  right: -140px;
  width: min(660px, 88vw);
  height: min(660px, 88vw);
  background: radial-gradient(circle at 50% 50%, rgba(255, 107, 44, .20), rgba(255, 107, 44, 0) 62%);
  pointer-events: none;
}

.page-products .pro-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -240px;
  left: -180px;
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  background: radial-gradient(circle at 50% 50%, rgba(61, 224, 208, .13), rgba(61, 224, 208, 0) 66%);
  pointer-events: none;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grey);
}

.page-products .breadcrumb a {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: currentColor;
}

.page-products .pro-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-products h1 {
  margin: 10px 0 clamp(14px, 2vw, 20px);
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.012em;
}

.page-products .pro-hero .lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pro-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pro-hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
  overflow: hidden;
}

.page-products .pro-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--panel-soft);
}

.page-products .pro-stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--orange);
}

.page-products .pro-stat-label {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ---------- 主体骨架：粘性索引 + 内容流 ---------- */
.page-products .pro-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-products .pro-index {
  align-self: start;
}

.page-products .pro-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-products .pro-index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pro-index-list::-webkit-scrollbar {
  display: none;
}

.page-products .pro-index-list a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-soft);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-products .pro-index-list a:hover,
.page-products .pro-index-list a:focus-visible {
  color: var(--paper);
  border-color: rgba(61, 224, 208, .55);
  background: var(--cyan-soft);
}

.page-products .pro-stream {
  min-width: 0;
}

.page-products .pro-block {
  padding-block: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.page-products .pro-stream > .pro-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pro-block-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .pro-block-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 35px);
  line-height: 1.2;
  letter-spacing: -.008em;
}

.page-products .pro-block-lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 服务总览 ---------- */
.page-products .pro-svc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pro-svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .pro-svc-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan), rgba(61, 224, 208, 0));
  opacity: .75;
}

.page-products .pro-svc-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--pro-shadow);
}

.page-products .pro-svc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pro-svc-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.3;
}

.page-products .pro-svc-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pro-svc-chip {
  align-self: flex-start;
  margin-top: auto;
  padding: 5px 11px;
  border: 1px solid rgba(61, 224, 208, .3);
  border-radius: 999px;
  background: var(--cyan-soft);
  font-size: 12px;
  line-height: 1.5;
  color: var(--cyan);
}

/* ---------- 图片与图注 ---------- */
.page-products .pro-figure {
  margin: 0;
}

.page-products .pro-figure .media {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}

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

.page-products .pro-figure-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--grey);
}

.page-products .pro-figure--wide {
  margin-top: clamp(24px, 3.5vw, 36px);
}

/* ---------- 资料下载库 ---------- */
.page-products .pro-doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pro-doc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: linear-gradient(158deg, rgba(255, 107, 44, .10), rgba(20, 31, 61, .92) 48%);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-products .pro-doc-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  border-left-color: var(--amber);
}

.page-products .pro-doc-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .pro-doc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-products .pro-doc-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
}

.page-products .pro-doc-meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--grey);
}

/* ---------- 四种切换模式 ---------- */
.page-products .pro-mode-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pro-mode-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .pro-mode-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(61, 224, 208, 0));
}

.page-products .pro-mode-card:hover {
  border-color: rgba(61, 224, 208, .45);
  box-shadow: var(--pro-shadow);
}

.page-products .pro-mode-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .pro-mode-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--cyan);
  color: var(--ink-900);
}

.page-products .pro-mode-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
}

.page-products .pro-mode-chip {
  margin-left: auto;
  padding: 3px 10px;
  border: 1px solid rgba(255, 184, 77, .4);
  border-radius: 999px;
  font-size: 12px;
  color: var(--amber);
}

.page-products .pro-mode-meta {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.page-products .pro-mode-meta > div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
}

.page-products .pro-mode-meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--grey);
}

.page-products .pro-mode-meta dd {
  margin: 0;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .pro-prereq {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 18px 20px;
  border: 1px solid rgba(61, 224, 208, .28);
  border-radius: var(--radius-md);
  background: var(--cyan-soft);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-products .pro-prereq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 208, .5);
}

.page-products .pro-prereq a:hover,
.page-products .pro-prereq a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 快捷面板 ---------- */
.page-products .pro-panel-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
}

.page-products .pro-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pro-panel-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-products .pro-panel-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pro-panel-key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pro-panel-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pro-panel-text strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 更新节奏 ---------- */
.page-products .pro-cadence-list {
  list-style: none;
  margin: clamp(26px, 3.5vw, 38px) 0 0;
  padding: 0;
}

.page-products .pro-cadence-item {
  position: relative;
  padding: 18px 0 18px 28px;
  border-bottom: 1px solid var(--line);
}

.page-products .pro-cadence-item:last-child {
  border-bottom: 0;
}

.page-products .pro-cadence-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

.page-products .pro-cadence-item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 40px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-products .pro-cadence-item:last-child::after {
  display: none;
}

.page-products .pro-cadence-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pro-cadence-item h3 {
  margin: 7px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.4;
}

.page-products .pro-cadence-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pro-cadence-item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 208, .45);
}

.page-products .pro-cadence-item a:hover,
.page-products .pro-cadence-item a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 三步获取 ---------- */
.page-products .pro-steps {
  list-style: none;
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pro-step {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
  transition: border-color .3s var(--ease);
}

.page-products .pro-step:hover {
  border-color: rgba(255, 107, 44, .45);
}

.page-products .pro-step-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 27px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-products .pro-step h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
}

.page-products .pro-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pro-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 38px);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-products .pro-svc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pro-svc-card--lead {
    grid-column: 1 / -1;
  }

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

@media (min-width: 860px) {
  .page-products .pro-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .pro-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -26px;
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), rgba(61, 224, 208, .12));
  }
}

@media (min-width: 900px) {
  .page-products .pro-hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
  }

  .page-products .pro-mode-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding-bottom: 24px;
  }

  .page-products .pro-mode-card:nth-child(even) {
    transform: translateY(22px);
  }

  .page-products .pro-panel-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .pro-layout {
    grid-template-columns: 226px minmax(0, 1fr);
  }

  .page-products .pro-index {
    position: sticky;
    top: 104px;
  }

  .page-products .pro-index-list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-products .pro-index-list a {
    padding: 10px 0 10px 16px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-products .pro-index-list a:hover,
  .page-products .pro-index-list a:focus-visible {
    border-left-color: var(--orange);
    background: linear-gradient(90deg, var(--orange-soft), rgba(255, 107, 44, 0));
    color: var(--paper);
  }
}

@media (min-width: 1080px) {
  .page-products .pro-svc-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pro-svc-card--lead {
    grid-column: span 3;
  }

  .page-products .pro-svc-card--a {
    grid-column: span 3;
  }

  .page-products .pro-svc-card--b {
    grid-column: span 2;
  }

  .page-products .pro-svc-card--c {
    grid-column: span 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pro-svc-card,
  .page-products .pro-doc-card,
  .page-products .pro-mode-card,
  .page-products .pro-step,
  .page-products .pro-index-list a {
    transition: none;
  }

  .page-products .pro-svc-card:hover,
  .page-products .pro-doc-card:hover {
    transform: none;
  }

  .page-products .pro-mode-card:nth-child(even) {
    transform: none;
  }
}