.page-products {
  --pp-rule: rgba(20, 17, 13, 0.14);
  --pp-rule-soft: rgba(20, 17, 13, 0.08);
  --pp-rule-light: rgba(252, 250, 244, 0.18);
  --pp-shadow: 0 1px 0 rgba(20, 17, 13, 0.06);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  padding-top: clamp(20px, 4vw, 44px);
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-products .hero h1 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(32px, 5.2vw, 62px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 18em;
}

.page-products .hero__lead {
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.8;
  color: var(--ink);
  max-width: 34em;
  margin: 0 0 8px;
}

.page-products .hero__stats {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .hero__stats li {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .hero__stat-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-62);
}

/* ---------- 通栏图 ---------- */
.page-products .full-bleed {
  margin: clamp(28px, 5vw, 56px) 0 0;
}

.page-products .full-bleed img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

/* ---------- 四类工具标签带 ---------- */
.page-products .tool-tabs {
  margin: 0;
  background: var(--night);
}

.page-products .tool-tabs__track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .tool-tab {
  flex: 0 0 78%;
  min-width: 224px;
  scroll-snap-align: start;
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: var(--paper);
  border-right: 1px solid var(--pp-rule-light);
  transition: background 180ms ease;
}

.page-products .tool-tab:hover,
.page-products .tool-tab:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.page-products .tool-tab__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .tool-tab__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.page-products .tool-tab__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-72);
}

/* ---------- 通用章节 ---------- */
.page-products .sec {
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-products .section-heading {
  font-size: clamp(23px, 3.1vw, 36px);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 clamp(16px, 2.6vw, 26px);
}

.page-products .section-heading--light {
  color: var(--paper);
}

.page-products .sec__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-62);
  max-width: 34em;
  margin: 0 0 clamp(22px, 3vw, 36px);
}

.page-products .prose p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 1.2em;
  max-width: 34em;
}

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

.page-products .note {
  border-left: 2px solid var(--ink-40);
  padding-left: 16px;
}

.page-products .note p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-62);
  margin: 0;
}

/* ---------- 两栏分栏 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
}

.page-products .split--media {
  align-items: start;
}

/* ---------- 步骤导航 ---------- */
.page-products .flow-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .flow-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 20px;
  white-space: nowrap;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-62);
  border-right: 1px solid var(--pp-rule);
  transition: color 180ms ease, background 180ms ease;
}

.page-products .flow-nav__link:hover,
.page-products .flow-nav__link:focus-visible {
  color: var(--ink);
  background: var(--paper-white);
}

.page-products .flow-nav__link.is-active {
  color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--orange);
}

.page-products .flow-nav__num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

/* ---------- 四个步骤 ---------- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(26px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .step__index {
  display: block;
  font-family: var(--mono);
  font-size: clamp(52px, 9vw, 96px);
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: var(--orange);
  margin-bottom: 16px;
}

.page-products .step__title {
  font-size: clamp(20px, 2.3vw, 26px);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-products .step__body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
  max-width: 32em;
}

/* ---------- 步骤内的示意组件 ---------- */
.page-products .pick {
  background: var(--paper-white);
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  padding: 18px;
}

.page-products .pick__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-62);
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 2px solid var(--orange);
}

.page-products .pick__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-products .league-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  font-size: 14px;
  font-family: var(--sans);
  line-height: 1;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.page-products .league-chip:hover {
  border-color: var(--ink-40);
}

.page-products .league-chip.is-active {
  background: var(--night);
  border-color: var(--night);
  color: var(--paper);
}

.page-products .league-chip__dot {
  width: 8px;
  height: 8px;
  background: var(--ink-40);
  display: inline-block;
}

.page-products .league-chip.is-active .league-chip__dot {
  background: var(--orange);
}

.page-products .pick__limit {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-62);
  margin: 0;
}

.page-products .pick--team .pick__team-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--pp-rule-soft);
}

.page-products .pick--team .pick__team-row:first-of-type {
  border-top: none;
}

.page-products .pick__team-block {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  background: linear-gradient(135deg, var(--orange) 0 50%, var(--night) 50% 100%);
}

.page-products .pick__team-block--muted {
  background: var(--ink-40);
}

.page-products .pick__team-name {
  font-size: 15px;
  color: var(--ink);
}

.page-products .pick__team-tag {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 3px 8px;
}

.page-products .pick__team-row--muted .pick__team-name {
  color: var(--ink-62);
}

.page-products .pick__bars {
  display: grid;
  gap: 8px;
}

.page-products .pick__bar {
  background: var(--paper);
  border-left: 8px solid var(--ink-40);
  padding: 9px 12px;
  font-size: 14px;
  color: var(--ink);
}

.page-products .pick__bar--high {
  border-left-color: var(--orange);
  border-left-width: 14px;
}

.page-products .pick__bar--mid {
  border-left-color: var(--indigo);
  border-left-width: 10px;
}

.page-products .pick__bar--low {
  border-left-color: var(--grass);
  border-left-width: 6px;
}

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

.page-products .pick__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--ink);
  padding: 11px 0;
  border-top: 1px solid var(--pp-rule-soft);
}

.page-products .pick__list li:first-child {
  border-top: none;
}

.page-products .pick__dot {
  width: 9px;
  height: 9px;
  background: var(--orange);
  flex: 0 0 9px;
}

.page-products .pick__dot--empty {
  background: transparent;
  border: 1px solid var(--ink-40);
}

/* ---------- 提醒三档 ---------- */
.page-products .alert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-products .alert-card {
  position: relative;
  padding: 26px 20px 24px;
  background: var(--paper-white);
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .alert-card__mark {
  display: block;
  height: 8px;
  margin-bottom: 18px;
}

.page-products .alert-card--high .alert-card__mark {
  background: var(--night);
  width: 100%;
}

.page-products .alert-card--mid .alert-card__mark {
  background: var(--night);
  width: 62%;
}

.page-products .alert-card--low .alert-card__mark {
  background: var(--night);
  width: 30%;
}

.page-products .alert-card--high {
  border-left: 4px solid var(--orange);
}

.page-products .alert-card--mid {
  border-left: 4px solid var(--indigo);
}

.page-products .alert-card--low {
  border-left: 4px solid var(--grass);
}

.page-products .alert-card__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-products .alert-card__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-products .alert-card__meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-62);
  margin: 0;
}

/* ---------- 四类工具 ---------- */
.page-products .tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-products .tool-card {
  padding: 24px 20px 26px;
  background: var(--paper-white);
  border-bottom: 1px solid var(--pp-rule);
  border-right: 1px solid var(--pp-rule-soft);
}

.page-products .tool-card__num {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 12px;
}

.page-products .tool-card__title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-products .tool-card__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}

/* ---------- 配置表格 ---------- */
.page-products .table-scroll {
  margin-top: clamp(26px, 4vw, 40px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .config-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--paper-white);
  font-size: 15px;
}

.page-products .config-table__caption {
  text-align: left;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-62);
  padding: 0 0 12px;
}

.page-products .config-table th,
.page-products .config-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--pp-rule);
  color: var(--ink);
  vertical-align: top;
}

.page-products .config-table thead th {
  background: var(--green);
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0.06em;
  border-bottom: none;
}

.page-products .config-table tbody th {
  font-weight: 700;
}

.page-products .config-table .num {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--night);
}

.page-products .figure-frame--inline {
  margin-top: clamp(26px, 4vw, 40px);
}

/* ---------- 组合示例（深色带） ---------- */
.page-products .combo-band {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-products .combo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--pp-rule-light);
}

.page-products .combo-card {
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--pp-rule-light);
}

.page-products .combo-card__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper-72);
  border: 1px solid var(--pp-rule-light);
  padding: 4px 10px;
  margin-bottom: 16px;
}

.page-products .combo-card--signal .combo-card__tag {
  color: var(--orange);
  border-color: var(--orange);
}

.page-products .combo-card__title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-products .combo-card__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-72);
  margin: 0 0 16px;
}

.page-products .combo-card__hint {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--grass);
  margin: 0;
}

/* ---------- 版本演进 ---------- */
.page-products .version-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-products .version-item {
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--pp-rule);
  padding-left: 18px;
  border-left: 4px solid var(--ink-40);
}

.page-products .version-item--current {
  border-left-color: var(--orange);
}

.page-products .version-item__ver {
  display: block;
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--night);
  margin-bottom: 14px;
}

.page-products .version-item--current .version-item__ver {
  color: var(--orange);
}

.page-products .version-item__title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-products .version-item__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
  max-width: 40em;
}

/* ---------- 场景速查 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .scene-card {
  background: var(--paper-white);
  border: 1px solid var(--pp-rule);
  border-top: 4px solid var(--green);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.page-products .scene-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-products .scene-card__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-products .scene-card__tools {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--indigo);
  margin: 0;
}

/* ---------- 结尾指向 ---------- */
.page-products .next-step {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(44px, 6vw, 80px);
  border-top: 1px solid var(--pp-rule);
}

.page-products .next-step__text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
  max-width: 48em;
}

.page-products .next-step__link {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 180ms ease;
}

.page-products .next-step__link:hover,
.page-products .next-step__link:focus-visible {
  color: var(--orange);
}

/* ---------- 图片通用 ---------- */
.page-products .figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 760px) {
  .page-products .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-products .tool-tab {
    flex: 1 1 0;
  }

  .page-products .alert-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-bottom: 1px solid var(--pp-rule);
  }

  .page-products .alert-card {
    border-bottom: none;
    border-right: 1px solid var(--pp-rule);
  }

  .page-products .alert-card:last-child {
    border-right: none;
  }

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

  .page-products .combo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 40px;
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .version-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 44px;
  }
}

@media (min-width: 900px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-products .split--media {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .split--media-rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }

  .page-products .step {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 52px;
    align-items: start;
  }

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

@media (min-width: 1100px) {
  .page-products .hero__lead {
    font-size: 18px;
  }

  .page-products .alert-card {
    padding: 32px 28px 30px;
  }

  .page-products .tool-card {
    padding: 28px 24px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-tab,
  .page-products .league-chip,
  .page-products .flow-nav__link,
  .page-products .next-step__link {
    transition: none;
  }
}