.page-products {
  --pp-gap: clamp(32px, 5vw, 64px);
  --pp-radius: 14px;
  color: var(--white);
  padding-bottom: 72px;
}

.page-products .breadcrumb {
  margin: 22px 0 0;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumb li[aria-current] {
  color: var(--white);
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-products .eyebrow--paper {
  color: var(--green-deep);
}

/* 首屏 */
.page-products .apps-hero {
  display: grid;
  gap: 28px;
  padding: clamp(28px, 5vw, 56px) 0 var(--pp-gap);
  border-bottom: 1px solid var(--line);
}

.page-products .apps-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 7vw, 60px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 15ch;
}

.page-products .apps-hero__lede {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .apps-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .apps-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted);
}

.page-products .apps-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}

.page-products .apps-hero__media {
  margin: 0;
  border-radius: var(--pp-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* 章节通用 */
.page-products .apps-section {
  padding: var(--pp-gap) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .apps-section:last-child {
  border-bottom: 0;
}

.page-products .apps-section__head {
  max-width: 100%;
  margin-bottom: 28px;
}

.page-products .apps-section h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(25px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-products .apps-section__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46ch;
}

.page-products .apps-section__head--paper h2 {
  color: var(--paper-ink);
}

.page-products .apps-section__head--paper .apps-section__lede {
  color: #4A535C;
}

/* 双端接入 */
.page-products .split {
  display: grid;
  gap: 26px;
}

.page-products .spec-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-products .spec-list--tight {
  gap: 14px;
}

.page-products .spec {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-products .spec dt {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .spec dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .export-grid__text .spec dt {
  color: var(--white);
}

.page-products .visual {
  margin: 0;
  border-radius: var(--pp-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-products .visual figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .step__num {
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  padding-top: 3px;
}

.page-products .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

/* 服务清单 */
.page-products .catalog {
  display: grid;
  gap: 30px;
}

.page-products .catalog__group {
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.page-products .catalog__group:nth-child(1) {
  border-left-color: var(--green);
}

.page-products .catalog__group:nth-child(3) {
  border-left-color: var(--amber);
}

.page-products .catalog__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .catalog__code {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 7px;
}

.page-products .catalog__note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 38ch;
}

.page-products .svc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .svc {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 10px;
  align-items: start;
}

.page-products .svc__code {
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
}

.page-products .svc__name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.005em;
}

.page-products .svc__desc {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 周期 */
.page-products .cycle-scale {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 26px;
}

.page-products .cycle-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .cycle {
  padding: 20px 18px;
  background: var(--panel);
}

.page-products .cycle__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--green);
}

.page-products .cycle__use {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
}

.page-products .cycle__meta {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .cycle__meta .mono {
  color: var(--amber);
  margin-right: 6px;
}

.page-products .cycle-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-products .cycle-note a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 232, 129, 0.4);
  margin-left: 4px;
}

.page-products .cycle-note a:hover {
  border-bottom-color: var(--green);
}

/* 费用纸面区 */
.page-products .fee-band {
  margin: var(--pp-gap) 0;
  padding: clamp(22px, 4vw, 44px) clamp(18px, 4vw, 40px);
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--pp-radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.page-products .fee-texture {
  position: relative;
  margin: 0 0 24px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(26, 31, 36, 0.16);
}

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

.page-products .fee-texture figcaption {
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: #4A535C;
  background: rgba(26, 31, 36, 0.05);
  border-top: 1px solid rgba(26, 31, 36, 0.12);
}

.page-products .fee-filter {
  position: relative;
}

.page-products .fee-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  clip-path: inset(50%);
}

.page-products .fee-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .fee-filter__bar label {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(26, 31, 36, 0.28);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: #3B444D;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .fee-filter__bar label:hover {
  border-color: var(--green-deep);
  color: var(--green-deep);
}

.page-products #cycle-30:checked ~ .fee-filter__bar label[for="cycle-30"],
.page-products #cycle-90:checked ~ .fee-filter__bar label[for="cycle-90"],
.page-products #cycle-365:checked ~ .fee-filter__bar label[for="cycle-365"] {
  background: var(--green);
  border-color: var(--green-deep);
  color: #062318;
  font-weight: 700;
}

.page-products #cycle-30:focus-visible ~ .fee-filter__bar label[for="cycle-30"],
.page-products #cycle-90:focus-visible ~ .fee-filter__bar label[for="cycle-90"],
.page-products #cycle-365:focus-visible ~ .fee-filter__bar label[for="cycle-365"] {
  outline: 2px solid var(--green-deep);
  outline-offset: 2px;
}

.page-products .fee-table-wrap {
  max-height: 560px;
  overflow: auto;
  border: 1px solid rgba(26, 31, 36, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.45);
  -webkit-overflow-scrolling: touch;
}

.page-products .fees-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .fees-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #E7E0D2;
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #3B444D;
  border-bottom: 1px solid rgba(26, 31, 36, 0.24);
  white-space: nowrap;
}

.page-products .fees-table thead th.num {
  text-align: right;
}

.page-products .fees-table tbody {
  display: none;
}

.page-products #cycle-30:checked ~ .fee-table-wrap .tbody-30,
.page-products #cycle-90:checked ~ .fee-table-wrap .tbody-90,
.page-products #cycle-365:checked ~ .fee-table-wrap .tbody-365 {
  display: table-row-group;
}

.page-products .fees-table td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(26, 31, 36, 0.1);
  color: var(--paper-ink);
  vertical-align: middle;
}

.page-products .fees-table tbody tr:nth-child(even) td {
  background: rgba(26, 31, 36, 0.035);
}

.page-products .fees-table tbody tr:hover td {
  background: rgba(11, 232, 129, 0.14);
}

.page-products .fees-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-products .fee-name {
  display: block;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .fee-cat {
  display: inline-block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #5C666F;
  border: 1px solid rgba(26, 31, 36, 0.22);
  border-radius: 4px;
  padding: 1px 5px;
}

.page-products .fee-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: #4A535C;
  max-width: 62ch;
}

.page-products .fee-note a {
  color: var(--green-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 156, 94, 0.45);
  margin: 0 2px;
}

.page-products .fee-note a:hover {
  border-bottom-color: var(--green-deep);
}

/* 呼吸带 */
.page-products .breath {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 var(--pp-gap);
  padding: 24px 22px;
  border-radius: var(--pp-radius);
  background: linear-gradient(120deg, #10171D 0%, #16222A 100%);
  border: 1px solid var(--line);
}

.page-products .breath__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--white);
  max-width: 46ch;
}

/* 组合 */
.page-products .bundles {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .bundle {
  padding: 22px 20px;
  background: var(--panel);
}

.page-products .bundle--highlight {
  background: #16222A;
  box-shadow: inset 3px 0 0 var(--green);
}

.page-products .bundle__head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-products .bundle__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .bundle__tag {
  margin: 6px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-products .bundle__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .bundle__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-products .bundle__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.page-products .bundle__sum {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.page-products .bundle__price {
  font-size: 22px;
  font-weight: 700;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .bundle__fit {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 导出 */
.page-products .export-grid {
  display: grid;
  gap: 24px;
}

.page-products .export-grid__text .btn {
  margin-top: 22px;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-products .apps-hero__facts {
    gap: 12px 40px;
  }

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

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

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

@media (min-width: 900px) {
  .page-products .apps-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: 44px;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 40px;
  }

  .page-products .export-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: center;
    gap: 36px;
  }

  .page-products .breath {
    padding: 28px 32px;
  }

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

@media (min-width: 1200px) {
  .page-products .apps-hero h1 {
    max-width: 13ch;
  }

  .page-products .fee-band {
    padding: 48px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fee-filter__bar label,
  .page-products .breadcrumb a {
    transition: none;
  }
}
<<<END>>>