.page-products {
  --p-hair: rgba(243, 235, 221, 0.16);
  --p-body: rgba(243, 235, 221, 0.78);
  --p-dim: #93A8A6;
}

/* ---------- 首屏 ---------- */
.page-products .p-head {
  border-bottom: var(--rule) solid var(--signal-orange);
  background: linear-gradient(180deg, var(--night-blue) 0%, #0E2231 100%);
  padding: clamp(24px, 4vw, 48px) 0 clamp(24px, 4vw, 44px);
}
.page-products .p-head__inner {
  display: grid;
  gap: 0;
}
.page-products .p-head__kicker {
  margin: 14px 0 14px;
  color: var(--electric-teal);
}
.page-products .p-head__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(40px, 9vw, 84px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--board-white);
  margin: 0 0 20px;
}
.page-products .p-head__lead {
  color: var(--p-body);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.78;
  max-width: 38em;
  margin: 0 0 32px;
}
.page-products .p-head__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 4px;
  border-top: var(--rule) solid var(--signal-orange);
  padding-top: 4px;
}
.page-products .p-head__facts li {
  background: var(--arena-green);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-products .p-head__facts li > span:last-child {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--p-dim);
  line-height: 1.5;
}

/* ---------- 目录条 ---------- */
.page-products .p-toc {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--arena-green);
  border-bottom: 1px solid var(--p-hair);
}
.page-products .p-toc__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .p-toc__inner::-webkit-scrollbar {
  display: none;
}
.page-products .p-toc__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--electric-teal);
}
.page-products .p-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}
.page-products .p-toc__list a {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--p-dim);
  border: 1px solid transparent;
  transition: color var(--dur-short) var(--ease), border-color var(--dur-short) var(--ease);
}
.page-products .p-toc__list a:hover,
.page-products .p-toc__list a:focus-visible {
  color: var(--board-white);
  border-color: var(--electric-teal);
}
.page-products .p-toc__list a[data-active="true"] {
  color: var(--signal-orange);
  border-color: var(--signal-orange);
}

/* ---------- 说明牌 ---------- */
.page-products .plate {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding-left: 14px;
}
.page-products .plate__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  padding: 5px 8px;
  color: var(--signal-orange);
  border: 2px solid var(--signal-orange);
}
.page-products .plate__cat {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--p-dim);
}
.page-products .section--cream .plate__no {
  color: var(--ink-brown);
  border-color: var(--ink-brown);
}
.page-products .section--cream .plate__cat {
  color: rgba(26, 20, 15, 0.6);
}

/* ---------- 功能块 ---------- */
.page-products .feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding-top: clamp(20px, 3vw, 34px);
  border-top: var(--rule) solid var(--signal-orange);
}
.page-products .feature__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.16;
  color: var(--board-white);
  margin: 14px 0 18px;
}
.page-products .feature__text > p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--p-body);
  max-width: 38em;
}
.page-products .feature__text > p a {
  color: var(--electric-teal);
  text-underline-offset: 3px;
}
.page-products .feature__media {
  margin: 0;
  min-width: 0;
}
.page-products .feature__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--shadow-black);
  box-shadow: 8px 8px 0 var(--signal-orange);
}
.page-products .feature__media figcaption {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--p-dim);
}
.page-products .section--cream .feature__title {
  color: var(--ink-brown);
}
.page-products .section--cream .feature__text > p {
  color: rgba(26, 20, 15, 0.82);
}
.page-products .section--cream .feature__media figcaption {
  color: rgba(26, 20, 15, 0.6);
}
.page-products .section--cream .feature__media img {
  box-shadow: 8px 8px 0 var(--ink-brown);
}

/* ---------- 步骤列表 ---------- */
.page-products .steps {
  list-style: none;
  counter-reset: pstep;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 38em;
}
.page-products .steps li {
  counter-increment: pstep;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--p-body);
}
.page-products .steps li::before {
  content: counter(pstep);
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  background: var(--signal-orange);
  color: var(--night-blue);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
}
.page-products .steps li a {
  color: var(--electric-teal);
  text-underline-offset: 3px;
}

/* ---------- 两步查法 ---------- */
.page-products .two-up {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  margin-top: 24px;
}
.page-products .two-up__card {
  background: var(--arena-green);
  border-top: var(--rule) solid var(--electric-teal);
  padding: 20px;
}
.page-products .two-up__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--electric-teal);
}
.page-products .two-up__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--p-body);
}

/* ---------- 三种订阅方式 ---------- */
.page-products .ways {
  margin: 24px 0 0;
  display: grid;
  gap: 4px;
  max-width: 44em;
}
.page-products .ways__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 18px;
  background: rgba(243, 235, 221, 0.05);
  border-left: var(--rule) solid var(--signal-orange);
}
.page-products .ways__row dt {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal-orange);
}
.page-products .ways__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--p-body);
}
.page-products .note-line {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--electric-teal);
  font-size: 14px;
  line-height: 1.7;
  color: var(--p-dim);
  max-width: 40em;
}

/* ---------- 区块标题 ---------- */
.page-products .block-head {
  margin-bottom: 28px;
}
.page-products .block-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.16;
  color: var(--board-white);
  max-width: 20em;
}

/* ---------- 版本节点 ---------- */
.page-products .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .timeline-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--p-hair);
}
.page-products .timeline-list__year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1;
  color: var(--score-red);
}
.page-products .timeline-list__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 20px;
  line-height: 1.3;
  color: var(--board-white);
}
.page-products .timeline-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--p-body);
  max-width: 38em;
}
.page-products .next-note {
  margin: 30px 0 0;
  padding: 18px 20px;
  border: 1px solid rgba(57, 210, 200, 0.38);
  background: rgba(57, 210, 200, 0.07);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.88);
  max-width: 46em;
}

/* ---------- 使用动线 ---------- */
.page-products .paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.page-products .path-card {
  background: var(--arena-green);
  border-top: var(--rule) solid var(--signal-orange);
  border-right: 1px solid var(--p-hair);
  border-bottom: 1px solid var(--p-hair);
  border-left: 1px solid var(--p-hair);
  box-shadow: 8px 8px 0 var(--shadow-black);
  padding: 24px 20px;
}
.page-products .path-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-headline);
  font-size: 20px;
  line-height: 1.3;
  color: var(--board-white);
}
.page-products .path-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--p-body);
}
.page-products .path-card p a {
  color: var(--electric-teal);
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-products .p-foot {
  border-top: var(--rule) solid var(--signal-orange);
}
.page-products .p-foot__inner {
  display: grid;
  gap: 22px;
  padding: clamp(28px, 4vw, 52px) 0 clamp(10px, 2vw, 18px);
}
.page-products .p-foot__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--p-body);
  max-width: 40em;
}
.page-products .p-foot__lead a {
  color: var(--electric-teal);
  text-underline-offset: 3px;
}
.page-products .p-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .p-top {
  display: inline-block;
  margin: 6px 0 28px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--p-dim);
  border-bottom: 1px solid currentColor;
  transition: color var(--dur-short) var(--ease);
}
.page-products .p-top:hover,
.page-products .p-top:focus-visible {
  color: var(--electric-teal);
}

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 480px) {
  .page-products .p-head__facts li {
    padding: 14px 16px;
  }
  .page-products .feature__media img {
    box-shadow: 5px 5px 0 var(--signal-orange);
  }
  .page-products .section--cream .feature__media img {
    box-shadow: 5px 5px 0 var(--ink-brown);
  }
  .page-products .path-card {
    box-shadow: 5px 5px 0 var(--shadow-black);
  }
}

/* ---------- 中屏起：两栏结构 ---------- */
@media (min-width: 620px) {
  .page-products .two-up {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .ways__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .timeline-list__item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
  .page-products .p-head__inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .p-foot__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

/* ---------- 宽屏：功能块左右宽窄交替 ---------- */
@media (min-width: 900px) {
  .page-products .feature {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }
  .page-products .feature__text {
    grid-column: 1 / span 7;
  }
  .page-products .feature__media {
    grid-column: 8 / span 5;
  }
  .page-products .feature--media-wide .feature__text {
    grid-column: 1 / span 5;
  }
  .page-products .feature--media-wide .feature__media {
    grid-column: 6 / span 7;
  }
  .page-products .feature--media-first .feature__media {
    grid-column: 1 / span 5;
  }
  .page-products .feature--media-first .feature__text {
    grid-column: 6 / span 7;
  }
  .page-products .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}