.page-products {
  --vp-archive-band: #B7CBCB;
  --vp-band-w: 6px;
  overflow-x: clip;
}

/* ===== 首屏 ===== */
.page-products .vp-hero {
  position: relative;
  padding: calc(var(--header-h) + 22px) 0 40px;
}

.page-products .vp-hero::before {
  content: "";
  position: absolute;
  top: var(--header-h);
  right: 0;
  width: min(560px, 62%);
  height: 240px;
  background: linear-gradient(180deg, rgba(127, 169, 170, .20), rgba(127, 169, 170, 0));
  pointer-events: none;
  z-index: 0;
}

.page-products .vp-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-products .vp-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-products .vp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .vp-hero__eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--ink-2);
}

.page-products .vp-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.05;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-products .vp-hero__lead {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.9vw, 30px);
  line-height: 1.5;
  color: var(--mineral);
}

.page-products .vp-hero__desc {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-2);
}

.page-products .vp-status {
  padding: 22px 20px 20px;
  background: var(--deep);
  border-top: 3px solid var(--vermilion);
  box-shadow: var(--shadow-lift);
}

.page-products .vp-status__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .32em;
  color: rgba(251, 250, 247, .6);
}

.page-products .vp-status__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-products .vp-status__list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(251, 250, 247, .14);
}

.page-products .vp-status__list dt {
  font-size: 13px;
  color: rgba(251, 250, 247, .66);
}

.page-products .vp-status__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--sheet);
}

.page-products .vp-status__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: rgba(251, 250, 247, .58);
}

/* ===== 章节跳转条 ===== */
.page-products .vp-jump {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--sheet);
}

.page-products .vp-jump__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .vp-jump__list a {
  display: inline-block;
  padding: 6px 12px 4px;
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .vp-jump__list a:hover {
  color: var(--ink);
  border-bottom-color: var(--rule);
}

.page-products .vp-jump__list a[data-active] {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}

/* ===== 区块骨架 ===== */
.page-products .vp-block {
  padding: 54px 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .vp-block:last-of-type {
  border-bottom: 0;
}

.page-products .vp-narrow {
  max-width: 100%;
}

.page-products .vp-figure {
  margin: 26px 0 0;
}

.page-products .vp-note {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-products .media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.74) contrast(.97);
}

/* ===== 排行总表 ===== */
.page-products .vp-table-hint {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-2);
}

.page-products .vp-tablewrap {
  margin-top: 16px;
}

.page-products .vp-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--sheet);
  border: 1px solid var(--rule);
}

.page-products .vp-table__cap {
  padding: 0 0 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-2);
}

.page-products .vp-table th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--ink-2);
  background: var(--paper-bg);
  border-bottom: 1px solid var(--rule);
}

.page-products .vp-table thead th {
  position: sticky;
  top: var(--header-h);
  z-index: 3;
  box-shadow: 0 1px 0 var(--rule);
}

.page-products .vp-table td {
  padding: 14px;
  font-size: 15px;
  color: var(--ink);
  vertical-align: middle;
  border-bottom: 1px solid var(--rule);
  transition: background var(--dur-fast) var(--ease);
}

.page-products .vp-table td:first-child {
  border-left: var(--vp-band-w) solid transparent;
  transition: border-left-width var(--dur) var(--ease), background var(--dur-fast) var(--ease);
}

.page-products .vp-row--main td:first-child {
  border-left-color: var(--cyan-deep);
}

.page-products .vp-row--stable td:first-child {
  border-left-color: var(--cyan-pale);
}

.page-products .vp-row--archive td:first-child {
  border-left-color: var(--vp-archive-band);
}

.page-products .vp-table tbody tr:nth-child(even) td {
  background: rgba(242, 241, 237, .62);
}

.page-products .vp-table tbody tr:hover td {
  background: rgba(127, 169, 170, .13);
}

.page-products .vp-row:hover td:first-child {
  border-left-width: 11px;
}

.page-products .vp-row--archive .tag {
  opacity: .82;
}

.page-products .vp-copy {
  margin-left: 10px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .vp-copy:hover {
  color: var(--vermilion);
  border-color: var(--vermilion);
}

.page-products .vp-copy[data-copied] {
  color: var(--sheet);
  background: var(--vermilion);
  border-color: var(--vermilion);
}

/* ===== 层级说明 ===== */
.page-products .vp-block--tiers {
  background: linear-gradient(180deg, rgba(127, 169, 170, .10), rgba(127, 169, 170, 0) 240px);
}

.page-products .vp-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-products .vp-tier-card {
  --vp-band: var(--cyan-deep);
  padding: 22px 20px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-left: 9px solid var(--vp-band);
  box-shadow: var(--shadow-paper);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .vp-tier-card--main {
  --vp-band: var(--cyan-deep);
}

.page-products .vp-tier-card--stable {
  --vp-band: var(--cyan-pale);
}

.page-products .vp-tier-card--archive {
  --vp-band: var(--vp-archive-band);
}

.page-products .vp-tier-card:hover {
  transform: translateY(-2px);
  border-color: var(--mineral);
}

.page-products .vp-tier-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-products .vp-tier-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-products .vp-tier-card__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 8px;
}

.page-products .vp-tier-card__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.page-products .vp-tier-card__meta dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-2);
}

.page-products .vp-tier-card__meta dd {
  margin: 0;
  font-size: 12px;
  text-align: right;
  color: var(--mineral);
}

/* ===== 核对节奏 ===== */
.page-products .vp-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-products .vp-check {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .vp-check li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-products .vp-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 13px;
  height: 2px;
  background: var(--vermilion);
}

.page-products .vp-scale {
  margin-top: 30px;
  padding: 20px 18px 16px;
  background: var(--sheet);
  border: 1px solid var(--rule);
}

.page-products .vp-scale__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--ink-2);
}

.page-products .vp-scale svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .vp-scale__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-products .vp-figure--cadence {
  margin-top: 0;
}

/* ===== 下载与入口 ===== */
.page-products .vp-block--entry {
  background: linear-gradient(180deg, rgba(63, 110, 112, .12), rgba(63, 110, 112, 0) 300px);
}

.page-products .vp-entry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .vp-figure--entry {
  margin-top: 0;
}

.page-products .vp-entry__cards {
  display: grid;
  gap: 20px;
}

.page-products .vp-entry-card {
  padding: 24px 22px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--cyan-deep);
}

.page-products .vp-entry-card--mobile {
  border-top-color: var(--cyan-pale);
}

.page-products .vp-entry-card__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-2);
}

.page-products .vp-entry-card__name {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-products .vp-entry-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-products .vp-entry-card__meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber-deep);
}

.page-products .vp-entry-card .btn {
  margin-top: 20px;
}

/* ===== 场景对照 ===== */
.page-products .vp-scenes {
  margin-top: 28px;
  display: grid;
  gap: 0;
}

.page-products .vp-scene {
  padding: 26px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .vp-scene__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .vp-scene__no {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--vermilion);
}

.page-products .vp-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: vp-step;
  display: grid;
  gap: 10px;
}

.page-products .vp-steps li {
  position: relative;
  padding-left: 40px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  counter-increment: vp-step;
}

.page-products .vp-steps li::before {
  content: counter(vp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .18em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-deep);
}

.page-products .vp-steps li::after {
  content: "";
  position: absolute;
  left: 26px;
  top: .95em;
  width: 1px;
  height: calc(100% + 10px);
  background: var(--rule);
}

.page-products .vp-steps li:last-child::after {
  display: none;
}

.page-products .vp-scene__tip {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ===== 常见问题 ===== */
.page-products .vp-qa {
  margin-top: 24px;
  border-bottom: 1px solid var(--rule);
}

.page-products .vp-qa details {
  border-top: 1px solid var(--rule);
}

.page-products .vp-qa summary {
  position: relative;
  padding: 18px 42px 18px 0;
  list-style: none;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease);
}

.page-products .vp-qa summary::marker {
  content: "";
}

.page-products .vp-qa summary:hover {
  color: var(--mineral);
}

.page-products .vp-qa summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--vermilion);
}

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

.page-products .vp-qa__body {
  padding: 0 0 22px;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
}

.page-products .vp-qa__body p {
  margin: 0 0 10px;
}

.page-products .vp-qa__body p:last-child {
  margin-bottom: 0;
}

.page-products .vp-qa__link {
  color: var(--mineral);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease);
}

.page-products .vp-qa__link:hover {
  color: var(--vermilion);
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .page-products .vp-tablewrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-products .vp-table {
    min-width: 640px;
  }

  .page-products .vp-table thead th {
    position: static;
  }
}

@media (min-width: 768px) {
  .page-products .vp-table-hint {
    display: none;
  }

  .page-products .vp-tiers {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .vp-tiers .vp-tier-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-products .vp-tiers .vp-tier-card:nth-child(3) {
    margin-top: 44px;
  }
}

@media (min-width: 900px) {
  .page-products .vp-hero {
    padding: calc(var(--header-h) + 42px) 0 56px;
  }

  .page-products .vp-hero__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 0 24px;
    align-items: end;
  }

  .page-products .vp-hero__main {
    grid-column: 1 / span 8;
  }

  .page-products .vp-hero__side {
    grid-column: 9 / span 4;
    margin-bottom: -18px;
  }

  .page-products .vp-block {
    padding: 76px 0;
  }

  .page-products .vp-narrow {
    max-width: 820px;
  }

  .page-products .vp-cadence__grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }

  .page-products .vp-entry__grid {
    grid-template-columns: .88fr 1.12fr;
    align-items: start;
  }

  .page-products .vp-scene {
    grid-template-columns: 230px 1fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-products .vp-scenes .vp-scene:last-child {
    border-bottom: 1px solid var(--rule);
  }
}

@media (min-width: 1180px) {
  .page-products .vp-hero__main {
    grid-column: 1 / span 8;
  }

  .page-products .vp-hero__side {
    grid-column: 10 / span 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vp-tier-card,
  .page-products .vp-table td,
  .page-products .vp-table td:first-child {
    transition: none;
  }

  .page-products .vp-tier-card:hover {
    transform: none;
  }
}