.page-products {
  --pp-line-soft: #C7BCA2;
  --pp-sand-accent: #0C6B57;
  --pp-sand-ink: #3F4A44;
  background: var(--ink);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(36px, 6vw, 72px)) 0 clamp(36px, 5vw, 56px);
  background:
    radial-gradient(circle at 84% 8%, rgba(76, 242, 200, 0.14), transparent 56%),
    radial-gradient(circle at 4% 92%, rgba(242, 178, 60, 0.1), transparent 54%),
    var(--ink);
}

.page-products .feat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(76, 242, 200, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(76, 242, 200, 0.05) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent 78%);
  pointer-events: none;
}

.page-products .feat-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .feat-hero .breadcrumb {
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.page-products .feat-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.8vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 22ch;
}

.page-products .feat-hero__lede {
  margin: 0 0 clamp(28px, 4vw, 46px);
  max-width: 62ch;
  font-size: clamp(15px, 1.32vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .feat-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .feat-hero__stat {
  background: var(--ink);
  padding: 16px 18px;
  transition: background 0.18s var(--ease);
}

.page-products .feat-hero__stat:hover {
  background: var(--surface);
}

.page-products .feat-hero__stats dt {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-products .feat-hero__stats dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--cream);
}

.page-products .feat-num {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan);
  margin-right: 6px;
}

/* ---------- 能力跳转条 ---------- */
.page-products .feat-jump {
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .feat-jump__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .feat-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 18px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border-right: 1px solid var(--line);
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .feat-jump__link .mono {
  font-size: 12px;
  color: var(--amber);
  transition: color 0.18s var(--ease);
}

.page-products .feat-jump__link:hover,
.page-products .feat-jump__link:focus-visible {
  color: var(--cream);
  background: var(--surface);
}

.page-products .feat-jump__link[aria-current="true"] {
  color: var(--cyan);
  background: var(--surface);
}

.page-products .feat-jump__link[aria-current="true"] .mono {
  color: var(--cyan);
}

/* ---------- 能力横带 ---------- */
.page-products .feat-band {
  padding: clamp(36px, 5vw, 76px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 56px);
}

.page-products .feat-band__grid {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
}

.page-products .feat-band__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-products .feat-band__index {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--amber);
}

@supports not ((-webkit-text-stroke: 1px red)) {
  .page-products .feat-band__index {
    color: var(--amber);
  }
}

.page-products .feat-band__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-products .feat-band__lede {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 62ch;
  font-size: clamp(15px, 1.3vw, 17.5px);
  line-height: 1.8;
  color: var(--cream);
}

.page-products .feat-band__sub {
  margin: 0 0 clamp(16px, 2.2vw, 22px);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-sand-ink);
}

.page-products .feat-band__cols {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
}

/* ---------- 说明列表 ---------- */
.page-products .feat-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-list li {
  display: grid;
  gap: 4px;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--line);
  transition: border-left-color 0.18s var(--ease);
}

.page-products .feat-list li:hover {
  border-left-color: var(--cyan);
}

.page-products .feat-list__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .feat-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-products .feat-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .feat-media:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
}

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

.page-products .feat-media__cap {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-products .feat-media--wide {
  margin: clamp(18px, 2.6vw, 26px) 0;
}

/* ---------- 注释条 ---------- */
.page-products .feat-note {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .feat-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 条款编号列 ---------- */
.page-products .feat-codes-wrap {
  align-self: start;
}

.page-products .feat-codes__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .feat-codes {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .feat-codes li {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 10px 0 10px 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .feat-codes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .feat-codes__id {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-products .feat-codes__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 沙色区 ---------- */
.page-products .feat-band--sand {
  background: var(--sand);
  color: var(--ink-on-sand);
  border-top-color: var(--pp-line-soft);
}

.page-products .feat-band--sand .feat-band__index {
  color: var(--pp-sand-accent);
  -webkit-text-stroke-width: 0;
}

.page-products .feat-band--sand .feat-band__name,
.page-products .feat-band--sand .feat-band__lede {
  color: var(--ink-on-sand);
}

.page-products .feat-band--sand .feat-list li {
  border-left-color: var(--pp-line-soft);
}

.page-products .feat-band--sand .feat-list li:hover {
  border-left-color: var(--pp-sand-accent);
}

.page-products .feat-band--sand .feat-list__k {
  color: var(--pp-sand-accent);
}

.page-products .feat-band--sand .feat-list p {
  color: var(--pp-sand-ink);
}

.page-products .feat-band--sand .feat-note {
  border-left-color: var(--pp-sand-accent);
  color: var(--pp-sand-ink);
}

.page-products .feat-band--sand .feat-note a {
  color: var(--pp-sand-accent);
}

.page-products .feat-band--sand .feat-media {
  border-color: var(--pp-line-soft);
  background: var(--ink);
}

.page-products .feat-band--sand .feat-media:hover {
  border-color: var(--pp-sand-accent);
}

.page-products .feat-band--sand .feat-media__cap {
  border-top-color: var(--pp-line-soft);
  background: var(--sand);
  color: var(--pp-sand-ink);
}

/* ---------- 四步自查 ---------- */
.page-products .feat-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  list-style: none;
}

.page-products .feat-steps li {
  position: relative;
  padding: 16px 14px 14px;
  border: 1px solid var(--pp-line-soft);
  background: rgba(255, 255, 255, 0.55);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .feat-steps li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pp-sand-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s var(--ease);
}

.page-products .feat-steps li:hover {
  background: #FFFFFF;
  border-color: var(--pp-sand-accent);
}

.page-products .feat-steps li:hover::before {
  transform: scaleX(1);
}

.page-products .feat-steps__n {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--pp-sand-accent);
}

.page-products .feat-steps h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-on-sand);
}

.page-products .feat-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--pp-sand-ink);
}

/* ---------- 兼容性对照表 ---------- */
.page-products .feat-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--pp-line-soft);
  background: rgba(255, 255, 255, 0.45);
}

.page-products .feat-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--ink-on-sand);
}

.page-products .feat-table__cap {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--pp-line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pp-sand-ink);
}

.page-products .feat-table thead th {
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-sand-ink);
  background: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .feat-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  font-weight: 700;
  background: var(--sand);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .feat-table td {
  padding: 12px 14px;
  vertical-align: top;
  line-height: 1.6;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .feat-table tbody tr:first-child th,
.page-products .feat-table tbody tr:first-child td {
  border-top: 0;
}

.page-products .feat-table .mono {
  color: var(--pp-sand-accent);
  font-weight: 700;
}

/* ---------- 更新节奏 ---------- */
.page-products .feat-cadence {
  padding: clamp(40px, 5vw, 76px) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 56px);
}

.page-products .feat-cadence__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .feat-cadence__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-products .feat-cadence__lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .feat-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .feat-timeline li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .feat-timeline__tick {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .feat-timeline h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
}

.page-products .feat-timeline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .feat-cadence__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .feat-cadence__note .mono {
  color: var(--cyan);
  letter-spacing: 0;
}

/* ---------- 收尾 ---------- */
.page-products .feat-cta {
  padding: clamp(40px, 5vw, 72px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.page-products .feat-cta__inner {
  display: grid;
  gap: 20px;
}

.page-products .feat-cta h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-products .feat-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .feat-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-products .feat-timeline li {
    grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 22px 0;
  }

  .page-products .feat-timeline__tick {
    padding-top: 3px;
  }

  .page-products .feat-codes li {
    grid-template-columns: minmax(0, 186px) minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-products .feat-band__grid {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
  }

  .page-products .feat-band__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-products .feat-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 1000px) {
  .page-products .feat-band__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .feat-band--flip .feat-band__cols > :first-child {
    order: 2;
  }
}

@media (min-width: 1080px) {
  .page-products .feat-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-products .feat-jump__link {
    padding: 12px 14px;
    font-size: 13px;
  }

  .page-products .feat-band__index {
    font-size: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat-media,
  .page-products .feat-media:hover {
    transform: none;
  }

  .page-products .feat-steps li::before {
    transition: none;
  }
}