.page-products {
  --rail: 250px;
  --panel-gap: clamp(24px, 3.4vw, 44px);
  background:
    radial-gradient(900px 420px at 82% -6%, rgba(45, 226, 230, 0.10), transparent 68%),
    radial-gradient(680px 380px at 4% 12%, rgba(255, 138, 61, 0.06), transparent 70%);
}

/* ---------- 首屏 ---------- */
.page-products .offering-hero {
  padding-top: clamp(24px, 4.6vw, 52px);
}

.page-products .offering-hero .breadcrumb {
  margin-bottom: clamp(14px, 2.4vw, 24px);
}

.page-products .hero-frame {
  position: relative;
  padding: clamp(22px, 4vw, 46px);
  background:
    linear-gradient(150deg, rgba(45, 226, 230, 0.09), transparent 52%),
    linear-gradient(330deg, rgba(14, 22, 38, 0.92), rgba(7, 11, 20, 0.72));
  clip-path: var(--cut-shape);
}

.page-products .hero-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 42%, var(--orange));
  opacity: 0.55;
}

.page-products .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .hero-kicker {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist);
  max-width: 17em;
}

.page-products .hero-lede {
  max-width: 46em;
  margin: 0;
  color: var(--cool);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .hero-facts {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .fact {
  padding-right: 12px;
}

.page-products .fact__k {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cool);
  margin: 0 0 6px;
}

.page-products .fact__v {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
}

/* 右侧纵向轨道 */
.page-products .hero-rail-wrap {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-products .hero-rail__cap {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin: 0 0 10px;
}

.page-products .hero-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .hero-rail a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px 11px 2px;
  text-decoration: none;
  color: var(--mist);
  font-size: 14.5px;
  border-bottom: 1px solid rgba(34, 48, 68, 0.6);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .hero-rail a:hover,
.page-products .hero-rail a:focus-visible {
  color: var(--cyan);
  background: var(--cyan-soft);
}

.page-products .rail__no {
  font-size: 11.5px;
  color: var(--cool);
}

.page-products .hero-rail a:hover .rail__no {
  color: var(--cyan);
}

/* ---------- 主体两栏 ---------- */
.page-products .guide-wrap {
  display: grid;
  gap: var(--panel-gap);
  padding-top: clamp(40px, 6vw, 78px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .guide-side__box {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  background: var(--glass-strong);
  clip-path: var(--cut-shape);
  backdrop-filter: blur(8px);
}

.page-products .guide-side__cap {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cool);
  margin: 0 0 12px;
}

.page-products .guide-side__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .guide-side__list a {
  display: flex;
  gap: 10px;
  padding: 9px 8px 9px 2px;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .guide-side__list a .mono {
  font-size: 11px;
  color: var(--cool);
}

.page-products .guide-side__list a:hover,
.page-products .guide-side__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(45, 226, 230, 0.05);
}

.page-products .guide-side__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .guide-side__note a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .guide-side__note a:hover {
  text-decoration: underline;
}

.page-products .guide-body {
  display: grid;
  gap: clamp(44px, 6vw, 84px);
  min-width: 0;
}

/* ---------- 章节通用 ---------- */
.page-products .guide-section {
  min-width: 0;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products .sec-head {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-bottom: clamp(20px, 2.8vw, 30px);
}

.page-products .sec-index {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cool);
  margin: 0 0 12px;
  position: relative;
  padding-left: 26px;
}

.page-products .sec-index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 16px;
  height: 2px;
  background: var(--orange);
}

.page-products h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .sec-lede {
  margin: 0;
  max-width: 44em;
  color: var(--cool);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .rev-tag {
  display: inline-block;
  margin: 14px 0 0;
  padding: 5px 10px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
  border: 1px solid var(--orange-deep);
  background: rgba(255, 138, 61, 0.08);
  clip-path: var(--cut-shape-sm);
}

/* ---------- 步骤卡 ---------- */
.page-products .step-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .step-card {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--graphite-lift), var(--graphite) 78%);
  clip-path: var(--cut-shape);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .step-card:hover {
  border-color: var(--cyan-deep);
  background: linear-gradient(170deg, rgba(45, 226, 230, 0.08), var(--graphite) 78%);
}

.page-products .step-card__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .step-card__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .step-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 会员功能卡 ---------- */
.page-products .func-grid {
  display: grid;
  gap: 12px;
}

.page-products .func-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: var(--graphite);
  clip-path: var(--cut-shape-sm);
}

.page-products .func-card--glass {
  background: var(--glass-strong);
  border-color: rgba(45, 226, 230, 0.22);
  backdrop-filter: blur(6px);
}

.page-products .func-card__title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .func-card--glass .func-card__title {
  color: var(--cyan);
}

.page-products .func-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 苹果设备三维度 ---------- */
.page-products .dim-list {
  display: grid;
  gap: 10px;
}

.page-products .dim {
  border: 1px solid var(--line);
  background: var(--glass);
  clip-path: var(--cut-shape-sm);
}

.page-products .dim[open] {
  border-color: rgba(45, 226, 230, 0.3);
  background: rgba(45, 226, 230, 0.05);
}

.page-products .dim summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  line-height: 1.6;
}

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

.page-products .dim summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cool);
}

.page-products .dim[open] summary::after {
  content: "−";
  color: var(--cyan);
}

.page-products .dim__no {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.page-products .dim__body {
  padding: 0 16px 18px 40px;
}

.page-products .dim__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 五分区入口 ---------- */
.page-products .entry-map {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .entry-cell {
  position: relative;
  padding: 16px 14px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 27, 45, 0.95), rgba(14, 22, 38, 0.75));
  clip-path: var(--cut-shape-sm);
}

.page-products .entry-cell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
  opacity: 0.7;
}

.page-products .entry-cell:nth-child(3)::before,
.page-products .entry-cell:nth-child(5)::before {
  background: linear-gradient(90deg, var(--orange), transparent 78%);
}

.page-products .entry-cell__no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cool);
}

.page-products .entry-cell__name {
  margin: 6px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .entry-cell__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .keep-card {
  margin-top: 14px;
  padding: 20px 18px;
  display: grid;
  gap: 16px;
  border: 1px solid rgba(45, 226, 230, 0.28);
  background:
    linear-gradient(140deg, rgba(45, 226, 230, 0.1), transparent 70%),
    var(--graphite);
  clip-path: var(--cut-shape);
}

.page-products .keep-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .keep-card__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

.page-products .copy-btn {
  justify-self: start;
}

/* ---------- 支持能力 ---------- */
.page-products .cap-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .cap {
  padding: 18px 16px 20px;
  background: var(--graphite);
}

.page-products .cap__num {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .cap__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .contact-strip {
  margin-top: 16px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: var(--glass);
}

.page-products .contact-strip__line {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--mist);
}

.page-products .contact-strip__line strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--mist);
}

.page-products .contact-strip__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 图片 ---------- */
.page-products .sec-media {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .sec-media .media__img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--graphite);
}

.page-products .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .sec-media--narrow {
  max-width: 620px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .func-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .entry-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .keep-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 760px) {
  .page-products .entry-map {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1fr) 248px;
    align-items: start;
  }
  .page-products .hero-frame {
    padding-right: clamp(26px, 3vw, 40px);
  }
}

@media (min-width: 1000px) {
  .page-products .guide-wrap {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
    align-items: start;
  }
  .page-products .guide-side__box {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (max-width: 560px) {
  .page-products .hero-rail-wrap {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 16px;
  }
  .page-products .dim__body {
    padding-left: 18px;
  }
  .page-products .cap__num {
    font-size: 19px;
  }
  .page-products .contact-strip,
  .page-products .keep-card,
  .page-products .step-card,
  .page-products .func-card {
    padding-left: 14px;
    padding-right: 14px;
  }
  .page-products .guide-side__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .hero-rail a,
  .page-products .guide-side__list a,
  .page-products .step-card {
    transition: none;
  }
}
<<<END>>>