.page-products {
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: calc(var(--header-space) + 40px) 0 56px;
  background:
    linear-gradient(180deg, rgba(36, 224, 214, .06) 0%, rgba(11, 22, 38, 0) 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  opacity: .28;
  pointer-events: none;
}

.page-products .prod-hero .shell {
  position: relative;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 26px;
}

.page-products .prod-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .prod-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 66px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-products .prod-hero__intro {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__board {
  align-self: start;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-products .prod-hero__board-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--haze);
}

.page-products .fee-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-products .fee-strip__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 14px;
  background: var(--panel);
}

.page-products .fee-strip__item .tag {
  grid-column: 1 / -1;
  justify-self: start;
}

.page-products .fee-strip__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.page-products .fee-strip__label {
  font-size: 13px;
  color: var(--haze);
}

.page-products .prod-hero__board-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 小节跳转条 ---------- */
.page-products .prod-jump {
  position: sticky;
  top: var(--header-space);
  z-index: 5;
  background: rgba(6, 16, 28, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-products .prod-jump__list {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .prod-jump__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-jump__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--haze);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: color .16s ease, border-color .16s ease, background .16s ease;
}

.page-products .prod-jump__link:hover,
.page-products .prod-jump__link:focus-visible {
  color: var(--mist);
  border-color: var(--cyan-edge);
}

.page-products .prod-jump__link.is-active {
  color: var(--ink-on-color);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节标题 ---------- */
.page-products .prod-head {
  max-width: 74ch;
  margin-bottom: 32px;
}

.page-products .prod-head__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .prod-head__eyebrow--dark {
  color: #0F6E69;
}

.page-products .prod-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-products .prod-head__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .prod-head__text--dark {
  color: #47607B;
}

/* ---------- 图片容器 ---------- */
.page-products .prod-figure {
  position: relative;
  margin: 0 0 32px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-products .prod-figure__cap {
  margin: 0;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--haze);
  border-top: 1px solid var(--line);
}

.page-products .prod-figure--band {
  margin-bottom: 36px;
}

.page-products .prod-figure--side {
  margin-bottom: 0;
}

/* ---------- 场景切换标签 ---------- */
.page-products .fee-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .fee-switch__chip {
  font-family: inherit;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  cursor: pointer;
  color: var(--haze);
  background: var(--panel);
  border: 1px solid var(--line);
  transition: color .16s ease, background .16s ease, border-color .16s ease;
}

.page-products .fee-switch__chip:hover {
  color: var(--mist);
  border-color: var(--cyan-edge);
}

.page-products .fee-switch__chip.is-on {
  color: var(--ink-on-color);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

/* ---------- 费用表格 ---------- */
.page-products .fee-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .fee-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fee-table__caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--haze);
  background: var(--end);
  border-bottom: 1px solid var(--line);
}

.page-products .fee-table th,
.page-products .fee-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  line-height: 1.6;
}

.page-products .fee-table thead th {
  background: var(--end);
  color: var(--mist);
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 2px solid var(--cyan-edge);
}

.page-products .fee-table tbody th {
  color: var(--mist);
  font-weight: 700;
  white-space: nowrap;
  background: rgba(36, 224, 214, .05);
}

.page-products .fee-table tbody td {
  color: var(--haze);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .fee-table tbody tr {
  transition: background .18s ease;
}

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

.page-products .fee-table tbody tr:hover td,
.page-products .fee-table tbody tr:hover th {
  color: var(--mist);
}

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

/* ---------- 观看形态 ---------- */
.page-products .mode-grid {
  display: grid;
  gap: 18px;
}

.page-products .mode-card {
  padding: 22px;
}

.page-products .mode-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products .mode-card__idx {
  font-size: 13px;
  color: var(--haze);
}

.page-products .mode-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--mist);
}

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

.page-products .mode-card__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .mode-card__list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--haze);
}

.page-products .mode-card__list .mono {
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 稳定版功能清单 ---------- */
.page-products .feature-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: #D5DFE9;
  border: 1px solid #D5DFE9;
}

.page-products .feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 18px;
  background: var(--paper);
  transition: background .18s ease;
}

.page-products .feature-item:hover {
  background: #FFFFFF;
}

.page-products .feature-item__no {
  font-size: 14px;
  font-weight: 700;
  color: #0F6E69;
  padding-top: 3px;
}

.page-products .feature-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: #0B1626;
}

.page-products .feature-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #47607B;
}

.page-products .version-note {
  margin-top: 18px;
  padding: 20px;
  background: var(--ink);
  border-color: var(--line);
}

.page-products .version-note__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .version-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 场景化选择建议 ---------- */
.page-products .pick-list {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pick-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 18px;
  padding: 20px;
  background: var(--ink);
  transition: background .18s ease;
}

.page-products .pick-row:hover {
  background: var(--panel);
}

.page-products .pick-row__key {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pick-row__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--mist);
}

.page-products .pick-row__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .pick-row__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-edge);
  text-underline-offset: 3px;
}

.page-products .pick-row__body a:hover {
  text-decoration-color: var(--cyan);
}

.page-products .pick-row__tag {
  align-self: start;
}

/* ---------- 高频疑问 ---------- */
.page-products .faq-split {
  display: grid;
  gap: 28px;
}

.page-products .faq-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  counter-reset: none;
}

.page-products .faq-item {
  padding: 20px;
  background: var(--panel);
  transition: background .18s ease;
}

.page-products .faq-item:hover {
  background: #16304C;
}

.page-products .faq-item__no {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--ink-on-color);
  background: var(--gold);
  font-weight: 700;
}

.page-products .faq-item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--mist);
}

.page-products .faq-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .faq-item a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-edge);
  text-underline-offset: 3px;
}

/* ---------- 延伸阅读 ---------- */
.page-products .next-split {
  display: grid;
  gap: 32px;
}

.page-products .next-cards {
  display: grid;
  gap: 14px;
}

.page-products .next-card {
  display: block;
  padding: 22px;
  text-decoration: none;
  color: inherit;
}

.page-products .next-card h3 {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--mist);
}

.page-products .next-card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .next-card__go {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-products .next-card:hover .next-card__go {
  color: var(--gold);
}

/* ---------- 术语提示 ---------- */
.page-products .term {
  font: inherit;
  padding: 0 1px;
  color: var(--mist);
  background: none;
  border: 0;
  border-bottom: 1px dashed var(--cyan-edge);
  cursor: help;
}

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

.page-products [data-term-note] {
  display: none;
  padding: 10px 12px;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
  background: var(--panel);
  border-left: 2px solid var(--cyan);
}

.page-products [data-term-note].is-open {
  display: block;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .prod-hero {
    padding: calc(var(--header-space) + 56px) 0 72px;
  }

  .page-products .fee-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-products .pick-row {
    grid-template-columns: 120px 1fr auto;
    align-items: start;
  }

  .page-products .pick-row__key {
    grid-column: auto;
    padding-top: 4px;
  }

  .page-products .prod-figure__cap {
    font-size: 14px;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 8fr 5fr;
    gap: 56px;
    align-items: start;
  }

  .page-products .fee-strip {
    grid-template-columns: 1fr;
  }

  .page-products .split {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .faq-split {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-products .next-split {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .next-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-head {
    margin-bottom: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fee-switch__chip,
  .page-products .fee-table tbody tr,
  .page-products .feature-item,
  .page-products .pick-row,
  .page-products .faq-item,
  .page-products .prod-jump__link {
    transition: none;
  }
}