.page-products {
  --apps-body: #C4D3E1;
  --apps-sticky-offset: calc(var(--head-h) + 56px);
}

/* ---------- 首屏 ---------- */
.page-products .apps-hero {
  position: relative;
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(92% 74% at 100% 0%, rgba(53, 224, 214, 0.12), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 100%);
}

.page-products .apps-hero__grid {
  display: grid;
  gap: 26px;
}

.page-products .apps-hero__lead h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .apps-hero__intro {
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--apps-body);
}

.page-products .apps-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 24px;
}

.page-products .apps-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .apps-fact {
  padding: 12px 14px;
  background: rgba(7, 19, 32, 0.78);
}

.page-products .apps-fact dt {
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-products .apps-fact dd {
  margin: 6px 0 0;
  font-size: 20px;
  color: var(--cyan);
}

.page-products .apps-card {
  padding: 20px;
  border-left: 3px solid var(--cyan);
}

.page-products .apps-card__kicker {
  margin: 0;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-products .apps-card__title {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  color: var(--paper);
}

.page-products .apps-card__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .apps-card__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--apps-body);
}

.page-products .apps-card__list .mono {
  color: var(--cyan-soft);
}

.page-products .apps-card__note {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 章节索引 ---------- */
.page-products .apps-index {
  position: sticky;
  top: var(--head-h);
  z-index: 6;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 19, 32, 0.94);
  backdrop-filter: blur(6px);
}

.page-products .apps-index__inner {
  display: flex;
  gap: 6px;
  padding-top: 8px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .apps-index__inner::-webkit-scrollbar {
  display: none;
}

.page-products .apps-index .sec-index__link {
  flex: 0 0 auto;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--slate);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .apps-index .sec-index__link:hover {
  color: var(--cyan-soft);
  border-color: var(--line);
}

.page-products .apps-index .sec-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .apps-index .sec-index__link[aria-current],
.page-products .apps-index .sec-index__link[data-active] {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(53, 224, 214, 0.08);
}

/* ---------- 通用区块 ---------- */
.page-products .apps-section {
  padding: 36px 0;
}

.page-products .apps-section--compare {
  background: linear-gradient(180deg, rgba(21, 44, 65, 0.5), rgba(11, 27, 43, 0));
}

.page-products .apps-shot {
  margin: 22px 0;
}

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

.page-products .apps-shot--wide,
.page-products .apps-shot--screens,
.page-products .apps-shot--log {
  overflow: hidden;
}

.page-products .apps-shot--wide {
  aspect-ratio: 2 / 1;
}

.page-products .apps-shot--screens {
  aspect-ratio: 7 / 3;
}

.page-products .apps-shot--log {
  aspect-ratio: 12 / 7;
}

.page-products .apps-shot--wide img,
.page-products .apps-shot--screens img,
.page-products .apps-shot--log img {
  height: 100%;
  object-fit: cover;
}

/* ---------- 两条版本线 ---------- */
.page-products .veraxis {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-products .veraxis__col {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.page-products .veraxis__col--std {
  border-top: 3px solid var(--cyan);
}

.page-products .veraxis__col--mini {
  border-top: 3px solid var(--orange);
}

.page-products .veraxis__tagrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .veraxis__id {
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.06em;
}

.page-products .veraxis__name {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  color: var(--paper);
}

.page-products .veraxis__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--apps-body);
}

.page-products .veraxis__shot {
  margin: 16px 0;
}

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

.page-products .veraxis__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .veraxis__list li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--apps-body);
}

.page-products .veraxis__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-products .veraxis__col--mini .veraxis__list li::before {
  background: var(--orange);
}

.page-products .veraxis__rule {
  display: none;
}

/* ---------- 两步对照 ---------- */
.page-products .compare-grid {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .steps__item {
  position: relative;
  padding: 0 0 26px 44px;
}

.page-products .steps__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 30px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line));
}

.page-products .steps__item:last-child {
  padding-bottom: 0;
}

.page-products .steps__item:last-child::before {
  display: none;
}

.page-products .steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
  color: var(--cyan);
  font-size: 12px;
}

.page-products .steps__title {
  margin: 4px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--paper);
}

.page-products .steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--apps-body);
}

.page-products .steps__more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-products .steps__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-soft);
}

.page-products .steps__more summary::-webkit-details-marker {
  display: none;
}

.page-products .steps__more summary::before {
  content: "+ ";
}

.page-products .steps__more[open] summary::before {
  content: "− ";
}

.page-products .steps__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .steps__more ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-products .steps__more li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .compare-panel {
  padding: 20px;
}

.page-products .compare-panel__kicker {
  margin: 0;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .compare-panel__title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--paper);
}

.page-products .ver-tabs {
  position: relative;
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .ver-tab {
  flex: 1 1 0;
  padding: 10px 12px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--slate);
  background: rgba(7, 19, 32, 0.72);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.page-products .ver-tab:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-products #verline-std:checked + .ver-tab,
.page-products #verline-mini:checked + .ver-tab {
  color: var(--night);
  background: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-products #verline-std:focus-visible + .ver-tab,
.page-products #verline-mini:focus-visible + .ver-tab {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .ver-panel {
  display: none;
}

.page-products #verline-std:checked ~ .ver-panel--std {
  display: block;
}

.page-products #verline-mini:checked ~ .ver-panel--mini {
  display: block;
}

.page-products .ver-panel__facts {
  margin: 0 0 18px;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .ver-panel__facts > div {
  padding: 12px 14px;
  background: var(--ink);
}

.page-products .ver-panel__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-products .ver-panel__facts dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--apps-body);
}

/* ---------- 设备适配矩阵 ---------- */
.page-products .matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .matrix {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-products .matrix__caption {
  padding: 12px 14px;
  text-align: left;
  font-size: 12px;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}

.page-products .matrix th,
.page-products .matrix td {
  padding: 12px 14px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  color: var(--apps-body);
  border-bottom: 1px solid var(--line);
}

.page-products .matrix thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: rgba(7, 19, 32, 0.62);
}

.page-products .matrix tbody th {
  color: var(--paper);
  font-weight: 700;
}

.page-products .matrix tbody tr:last-child th,
.page-products .matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .matrix td .mono {
  color: var(--cyan-soft);
}

.page-products .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-products .dot--live {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 224, 214, 0.16);
}

.page-products .dot--legacy {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.16);
}

.page-products .matrix__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 更新记录 ---------- */
.page-products .changelog {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .changelog__item {
  position: relative;
  padding: 18px 18px 18px 32px;
  background: var(--ink);
  display: grid;
  gap: 8px;
}

.page-products .changelog__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 24px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-products .changelog__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .changelog__when {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .changelog__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--paper);
}

.page-products .changelog__text {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--apps-body);
}

.page-products .apps-inline {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .apps-inline a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 243, 237, 0.4);
}

.page-products .apps-inline a:hover {
  color: var(--cyan);
}

/* ---------- 对照之后 ---------- */
.page-products .nexttree {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .nexttree__step {
  padding: 20px;
  background: var(--panel);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .nexttree__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .nexttree__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--paper);
}

.page-products .nexttree__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--apps-body);
}

.page-products .nexttree__link {
  justify-self: start;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.4);
}

.page-products .nexttree__link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-products .nexttree__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 分不清时 ---------- */
.page-products .help-grid {
  display: grid;
  gap: 26px;
}

.page-products .checklist {
  list-style: none;
  counter-reset: ck;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .checklist li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--apps-body);
}

.page-products .checklist li::before {
  counter-increment: ck;
  content: counter(ck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

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

.page-products .help-card__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .help-card__list {
  margin: 0 0 16px;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .help-card__list > div {
  padding: 12px 14px;
  background: var(--ink);
}

.page-products .help-card__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-products .help-card__list dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-products .help-card__note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .apps-hero {
    padding: 44px 0 52px;
  }

  .page-products .apps-section {
    padding: 52px 0;
  }

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

  .page-products .changelog__item {
    padding: 20px 22px 20px 34px;
  }
}

@media (min-width: 1000px) {
  .page-products .apps-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .apps-card {
    position: sticky;
    top: calc(var(--head-h) + 24px);
    padding: 24px;
  }

  .page-products .veraxis {
    grid-template-columns: minmax(0, 1fr) 2px minmax(0, 1fr);
    gap: 0 30px;
    align-items: start;
  }

  .page-products .veraxis__col {
    padding: 24px;
  }

  .page-products .veraxis__rule {
    display: block;
    width: 2px;
    align-self: stretch;
    background: linear-gradient(180deg, transparent, var(--cyan) 14%, var(--cyan) 86%, transparent);
    opacity: 0.5;
  }

  .page-products .compare-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .compare-rail {
    position: sticky;
    top: var(--apps-sticky-offset);
  }

  .page-products .compare-panel {
    padding: 24px;
  }

  .page-products .help-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .help-card {
    padding: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ver-tab {
    transition: none;
  }
}