.page-products {
  --fn-line: 2px solid var(--steel);
  --fn-gap: 16px;
}

.page-products h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 18em;
}

.page-products .fn-hero {
  padding-top: 4px;
}

.page-products .fn-hero__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--grey);
  font-size: 17px;
  line-height: 1.78;
}

.page-products .fn-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .fn-hero__actions .btn {
  font-size: 15px;
}

/* ---------- 四功能状态条 ---------- */
.page-products .dash {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: var(--fn-gap);
  grid-template-columns: 1fr;
}

.page-products .dash-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 18px 16px 16px;
  background: var(--panel);
  border: var(--fn-line);
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.page-products .dash-card::before {
  content: "";
  display: block;
  width: 40px;
  height: 4px;
  background: var(--cyan);
  margin-bottom: 2px;
}

.page-products .dash-card:nth-child(2)::before { background: var(--orange); }
.page-products .dash-card:nth-child(3)::before { background: var(--lime); }
.page-products .dash-card:nth-child(4)::before { background: var(--paper); }

.page-products .dash-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.page-products .dash-card__no {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.12em;
}

.page-products .dash-card__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.3;
  color: var(--white);
}

.page-products .dash-card__state {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  font-weight: 700;
}

.page-products .dash-card:nth-child(3) .dash-card__state {
  color: var(--lime);
}

.page-products .dash-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .dash-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

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

/* ---------- 章节通用 ---------- */
.page-products .section-head {
  margin-bottom: 24px;
}

.page-products .fn-h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.28;
  color: var(--white);
  max-width: 22em;
}

.page-products .fn-sub {
  margin: 12px 0 0;
  max-width: 64ch;
  color: var(--grey);
  font-size: 16px;
  line-height: 1.78;
}

.page-products .fn-figure {
  margin: 26px 0 0;
  min-width: 0;
}

.page-products .fn-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* ---------- 两步赛程 ---------- */
.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .flow-step {
  background: var(--panel-2);
  border: var(--fn-line);
  min-width: 0;
}

.page-products .flow-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  flex-wrap: wrap;
}

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

.page-products .flow-step summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-products .step-num {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  padding: 2px 9px;
  letter-spacing: 0.06em;
}

.page-products .step-title {
  flex: 1 1 120px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-products .step-hint {
  font-size: 12px;
  color: var(--grey);
  letter-spacing: 0.06em;
}

.page-products .flow-step p {
  margin: 0;
  padding: 0 16px 18px;
  color: var(--grey);
  font-size: 15px;
  line-height: 1.75;
}

.page-products .side-note {
  margin-top: 20px;
  padding: 20px 18px;
  background: var(--panel);
  min-width: 0;
}

.page-products .side-note__title {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

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

.page-products .watch-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--steel);
  font-size: 14px;
  color: var(--grey);
}

.page-products .watch-list .mono {
  color: var(--lime);
  font-size: 13px;
}

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

/* ---------- 客户端切换对照 ---------- */
.page-products .compare {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.page-products .compare__col {
  padding: 20px 18px;
  background: var(--panel-2);
  border: var(--fn-line);
  min-width: 0;
}

.page-products .compare__col--accent {
  border-color: var(--cyan);
  background: var(--panel);
}

.page-products .compare__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-products .compare__col--accent .compare__tag {
  color: var(--cyan);
}

.page-products .compare__title {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-products .compare__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-products .compare__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 0;
}

.page-products .compare__arrow svg {
  transform: rotate(90deg);
}

.page-products .fn-figure--narrow {
  max-width: 720px;
}

/* ---------- 概率 ---------- */
.page-products .prob-grid {
  display: grid;
  gap: 18px;
}

.page-products .gauge-block {
  padding: 24px 18px;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

.page-products .gauge {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: conic-gradient(from -90deg, var(--lime) 0 70%, var(--steel) 70% 100%);
  display: grid;
  place-items: center;
  flex: none;
}

.page-products .gauge__inner {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 2px solid var(--steel);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.page-products .gauge__time {
  font-size: 24px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-products .gauge__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--grey);
}

.page-products .gauge__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
  text-align: center;
  max-width: 32ch;
}

.page-products .metrics-block {
  min-width: 0;
}

.page-products .metrics-block__hint {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .metric {
  min-width: 0;
}

.page-products .metric__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-products .metric__mark {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grey);
  font-weight: 400;
}

.page-products .metric-bar {
  margin: 7px 0 8px;
  height: 10px;
  background: var(--panel-2);
  border: 1px solid var(--steel);
}

.page-products .metric-bar span {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-products .metric:nth-child(1) .metric-bar span { width: 86%; }
.page-products .metric:nth-child(2) .metric-bar span { width: 72%; }
.page-products .metric:nth-child(3) .metric-bar span { width: 64%; }
.page-products .metric:nth-child(4) .metric-bar span { width: 58%; }

.page-products .metric__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 版本改动 ---------- */
.page-products .ver-tabs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .ver-tab {
  background: var(--panel);
  border: var(--fn-line);
  border-top: 6px solid var(--orange);
  padding: 16px 16px 18px;
  min-width: 0;
}

.page-products .ver-tab__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-products .ver-tab__title {
  margin: 8px 0 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-products .ver-tab__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-products .ver-foot {
  margin-top: 20px;
  padding: 18px;
  background: var(--panel-2);
  border: var(--fn-line);
  border-left: 6px solid var(--cyan);
}

.page-products .ver-foot__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-products .ver-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* ---------- 使用场景 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-products .scene {
  position: relative;
  padding: 18px 16px;
  background: var(--panel);
  border: var(--fn-line);
  min-width: 0;
}

.page-products .scene__no {
  display: inline-block;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 1px 8px;
}

.page-products .scene__title {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-products .scene__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-products .scene__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

/* ---------- 数据底座 ---------- */
.page-products .stat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .stat {
  background: var(--panel);
  border: var(--fn-line);
  padding: 16px;
  min-width: 0;
}

.page-products .stat-num {
  display: block;
  font-size: 30px;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-products .stat-label {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--grey);
}

.page-products .data-notes {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-products .data-note {
  padding: 16px;
  border: var(--fn-line);
  background: var(--panel-2);
  min-width: 0;
}

.page-products .data-note__title {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--white);
}

.page-products .data-note__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-products .fn-cta {
  margin-top: 22px;
  padding: 22px 18px;
  background: var(--panel);
  border: var(--fn-line);
  display: grid;
  gap: 16px;
}

.page-products .fn-cta__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  color: var(--white);
}

.page-products .fn-cta__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--grey);
}

.page-products .fn-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .dash {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .ver-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .scene-grid,
  .page-products .data-notes,
  .page-products .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dash {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prob-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: 24px;
  }

  .page-products .gauge__note {
    text-align: left;
  }

  .page-products .compare {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    gap: 16px;
  }

  .page-products .compare__arrow svg {
    transform: none;
  }

  .page-products .fn-cta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    padding: 28px 26px;
  }

  .page-products .fn-cta__actions {
    justify-content: flex-end;
  }

  .page-products .ver-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .split .side-note {
    margin-top: 0;
  }
}

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

  .page-products .dash-card:hover {
    transform: none;
  }
}
<<<END>>>