.page-products {
  --pp-hair: rgba(57, 66, 74, 0.55);
  --pp-glow: rgba(47, 217, 201, 0.16);
}

/* 面包屑 */
.page-products .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 26px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumbs a:hover {
  color: var(--bone);
  border-bottom-color: var(--clay);
}

.page-products .breadcrumbs [aria-current="page"] {
  color: var(--bone);
}

.page-products .crumb-sep {
  color: var(--rock);
}

/* 首屏 */
.page-products .apps-hero {
  padding-block: 30px 6px;
}

.page-products .hero-apps {
  display: grid;
  gap: 40px;
}

.page-products .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(31px, 7.2vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--bone);
  max-width: 24ch;
}

.page-products .hero-lede {
  margin-top: 20px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero-facts {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--pp-hair);
  overflow: hidden;
}

.page-products .fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: var(--slate);
}

.page-products .fact-key {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .fact-val {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

/* 通用正文 */
.page-products .lede {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 66ch;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .apps-figure {
  margin: 38px 0 0;
}

.page-products .split {
  display: grid;
  gap: 36px;
}

/* 三档栏目 */
.page-products .tier-nav {
  margin-top: 32px;
  gap: 10px;
}

.page-products .tier-nav .chip {
  text-decoration: none;
}

.page-products .tier-grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .tier-card {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--slate);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .tier-card:hover {
  border-color: rgba(47, 217, 201, 0.45);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.page-products .tier-card:target {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--pp-glow);
}

.page-products .tier-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-products .tier-index {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--flame);
}

.page-products .tier-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 25px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .tier-badge {
  margin-left: auto;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: rgba(79, 111, 85, 0.35);
  color: var(--bone);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .tier-card:target .tier-badge {
  background: rgba(47, 217, 201, 0.18);
  color: var(--cyan);
}

.page-products .tier-fit {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .tier-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .tier-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bone);
}

.page-products .tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rock);
  transition: background var(--dur) var(--ease);
}

.page-products .tier-card:hover .tier-list li::before,
.page-products .tier-card:target .tier-list li::before {
  background: var(--cyan);
}

.page-products .tier-more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .tier-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-products .tier-more summary::after {
  content: "+";
  font-size: 18px;
  line-height: 1;
  color: var(--mist);
}

.page-products .tier-more[open] summary::after {
  content: "–";
}

.page-products .tier-more p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* 升级版能力 */
.page-products .ability-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-radius: var(--r-md);
  background: var(--pp-hair);
  overflow: hidden;
}

.page-products .ability-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px 22px;
  background: var(--slate);
  transition: background var(--dur) var(--ease);
}

.page-products .ability-item:hover {
  background: #21282D;
}

.page-products .ability-num {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  color: var(--moss);
}

.page-products .ability-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--bone);
}

.page-products .ability-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .split-media {
  margin: 0;
}

/* 价格面板 */
.page-products .price-chips {
  margin-top: 26px;
  gap: 10px;
}

.page-products .table-scroll {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--slate);
}

.page-products .price-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .price-table th,
.page-products .price-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .price-table thead th {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  background: rgba(28, 34, 38, 0.9);
}

.page-products .price-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .price-table tbody tr:hover td {
  background: rgba(47, 217, 201, 0.05);
}

.page-products .price-table td:first-child {
  color: var(--cyan);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .price-table td {
  color: var(--bone);
}

.page-products .price-note {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--clay);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .price-phone {
  margin: 0;
  max-width: 460px;
}

/* 换机步骤 */
.page-products .switch-figure {
  margin: 36px 0 0;
}

.page-products .step-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-products .step-item {
  position: relative;
  padding: 26px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(47, 217, 201, 0.05), rgba(47, 217, 201, 0) 55%), var(--slate);
}

.page-products .step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-products .step-name {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .step-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .switch-note {
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* 版本演进 */
.page-products .ruler-nodes {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-products .ruler-node {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-products .ruler-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rock);
}

.page-products .ruler-node.is-current::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--pp-glow);
}

.page-products .ruler-range {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--clay);
}

.page-products .ruler-node.is-current .ruler-range {
  color: var(--cyan);
}

.page-products .ruler-name {
  margin: 8px 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--bone);
}

.page-products .ruler-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .version-figure {
  margin: 36px 0 0;
}

/* 选择建议 */
.page-products .advice-grid {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

.page-products .advice-card {
  padding: 24px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--slate);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .advice-card:hover {
  border-color: rgba(194, 100, 63, 0.55);
  transform: translateY(-4px);
}

.page-products .advice-profile {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .advice-pick {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-products .advice-text {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .apps-cta {
  margin-top: 44px;
  padding: 30px 26px;
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(47, 217, 201, 0.1), rgba(194, 100, 63, 0.1) 70%, rgba(18, 22, 26, 0) 100%), var(--slate);
  border: 1px solid var(--line-soft);
}

.page-products .apps-cta-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--bone);
  max-width: 62ch;
}

.page-products .cta-row {
  margin-top: 22px;
  gap: 12px;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-products .hero-apps {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 64px;
  }

  .page-products .split[data-flow="5-7"] {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 64px;
  }

  .page-products .split[data-flow="7-5"] {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 64px;
  }

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

  .page-products .tier-card:nth-child(2) {
    margin-top: -10px;
  }

  .page-products .tier-card:nth-child(3) {
    margin-top: 6px;
  }

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

  .page-products .step-item::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -12px;
    width: 24px;
    height: 2px;
    background: var(--rock);
  }

  .page-products .step-item:last-child::after {
    display: none;
  }

  .page-products .ruler-nodes {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

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

@media (min-width: 1200px) {
  .page-products .hero-title {
    font-size: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier-card,
  .page-products .advice-card,
  .page-products .ability-item,
  .page-products .tier-list li::before {
    transition: none;
  }

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