.page-products {
  --pp-rule: #C7DBE2;
  --pp-shadow: 0 18px 40px -28px rgba(10, 28, 36, .55);
  background: var(--c-salt);
  color: var(--c-ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  -webkit-font-smoothing: antialiased;
}

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

.page-products a {
  color: var(--c-glacier);
}

.page-products a:hover {
  color: var(--c-ember);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-products .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-mist);
}

.page-products .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

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

.page-products .breadcrumbs a {
  text-decoration: none;
}

.page-products .breadcrumbs a:hover {
  color: var(--c-ember);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(18px, 2.8vw, 32px);
  border-block: 1px solid var(--pp-rule);
  padding-block: clamp(36px, 7vw, 84px) clamp(42px, 8vw, 92px);
  background: linear-gradient(118deg, var(--c-snow) 0%, var(--c-salt) 38%, var(--c-lake) 100%);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--pp-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-rule) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .4;
  -webkit-mask-image: linear-gradient(112deg, transparent 28%, #000 96%);
  mask-image: linear-gradient(112deg, transparent 28%, #000 96%);
  pointer-events: none;
}

.page-products .prod-hero__wash {
  position: absolute;
  top: -22%;
  right: -14%;
  z-index: 0;
  width: 66%;
  height: 148%;
  transform: skewX(-14deg);
  background: linear-gradient(158deg, rgba(15, 110, 140, .16) 0%, rgba(240, 122, 43, .12) 64%, rgba(240, 122, 43, 0) 88%);
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__title {
  margin: 14px 0 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 7vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-teal);
}

.page-products .prod-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 52ch;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.78;
  color: var(--c-ink);
}

.page-products .prod-hero__facts {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
}

.page-products .fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px;
  background: rgba(255, 255, 255, .86);
}

.page-products .fact__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-ember);
}

.page-products .fact__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-mist);
}

/* ---------- 主体两栏布局 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(36px, 6vw, 72px);
}

.page-products .prod-aside {
  min-width: 0;
}

.page-products .prod-aside__sticky {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .prod-jump {
  border: 1px solid var(--pp-rule);
  background: var(--c-snow);
  padding: 16px 16px 12px;
}

.page-products .prod-jump__title,
.page-products .prod-mini__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--c-mist);
}

.page-products .prod-jump ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: jump;
}

.page-products .prod-jump li {
  counter-increment: jump;
}

.page-products .prod-jump a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-products .prod-jump a::before {
  content: counter(jump, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-orange);
}

.page-products .prod-jump a:hover,
.page-products .prod-jump a:focus-visible {
  color: var(--c-teal);
  border-bottom-color: var(--c-orange);
}

.page-products .prod-mini {
  border: 1px solid var(--pp-rule);
  background: var(--c-lake);
  padding: 16px;
}

.page-products .prod-mini ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-products .prod-mini li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-ink);
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(199, 219, 226, .9);
}

.page-products .prod-mini li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-mini .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12.5px;
  color: var(--c-ember);
  text-align: right;
}

.page-products .prod-aside__cta {
  align-self: flex-start;
}

.page-products .prod-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .prod-section {
  padding-block: clamp(34px, 5.5vw, 60px);
  border-top: 1px solid var(--pp-rule);
}

.page-products .prod-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prod-section__head {
  max-width: 62ch;
}

.page-products .prod-section__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--c-teal);
}

.page-products .prod-section__head p {
  margin: 12px 0 0;
  font-size: clamp(.9375rem, 1.5vw, 1rem);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .prod-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid var(--pp-rule);
  background: var(--c-lake);
  overflow: hidden;
}

.page-products .prod-figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ---------- 场景筛选 ---------- */
.page-products .scene-filter {
  margin-top: clamp(22px, 3.2vw, 32px);
}

.page-products .sf-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .scene-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-products .scene-filter__bar label {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-pill);
  background: var(--c-snow);
  color: var(--c-teal);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s var(--ease-out), color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-products .scene-filter__bar label:hover {
  border-color: var(--c-glacier);
}

.page-products .sf-radio:focus-visible ~ .scene-filter__bar label {
  outline: 2px dashed var(--c-orange);
  outline-offset: 3px;
}

.page-products #scene-all:checked ~ .scene-filter__bar label[for="scene-all"],
.page-products #scene-boot:checked ~ .scene-filter__bar label[for="scene-boot"],
.page-products #scene-desk:checked ~ .scene-filter__bar label[for="scene-desk"],
.page-products #scene-sync:checked ~ .scene-filter__bar label[for="scene-sync"],
.page-products #scene-file:checked ~ .scene-filter__bar label[for="scene-file"],
.page-products #scene-member:checked ~ .scene-filter__bar label[for="scene-member"],
.page-products #scene-help:checked ~ .scene-filter__bar label[for="scene-help"] {
  background: var(--c-teal);
  border-color: var(--c-teal);
  color: var(--c-snow);
}

.page-products #scene-boot:checked ~ .scene-grid .scene-card:not([data-scene="boot"]),
.page-products #scene-desk:checked ~ .scene-grid .scene-card:not([data-scene="desk"]),
.page-products #scene-sync:checked ~ .scene-grid .scene-card:not([data-scene="sync"]),
.page-products #scene-file:checked ~ .scene-grid .scene-card:not([data-scene="file"]),
.page-products #scene-member:checked ~ .scene-grid .scene-card:not([data-scene="member"]),
.page-products #scene-help:checked ~ .scene-grid .scene-card:not([data-scene="help"]) {
  display: none;
}

/* ---------- 场景卡片 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: clamp(12px, 1.8vw, 18px);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--c-snow);
  border: 1px solid var(--pp-rule);
  transition: border-color .22s var(--ease-out), box-shadow .22s var(--ease-out);
}

.page-products .scene-card:hover {
  border-color: var(--c-glacier);
  box-shadow: inset 0 0 0 1px var(--c-glacier);
}

.page-products .scene-card__icon {
  width: 34px;
  height: 34px;
  color: var(--c-glacier);
  flex: none;
}

.page-products .scene-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--c-teal);
}

.page-products .scene-card p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .scene-card__link {
  margin-top: auto;
  padding-top: 4px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--c-ember);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-products .scene-card__link:hover {
  color: var(--c-teal);
}

/* ---------- 价格矩阵 ---------- */
.page-products .price-stage {
  position: relative;
  overflow: hidden;
  margin-top: clamp(22px, 3.2vw, 32px);
  padding: clamp(16px, 2.6vw, 28px);
  border: 1px solid var(--pp-rule);
  background: var(--c-lake);
}

.page-products .price-stage__tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  pointer-events: none;
}

.page-products .price-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 18px);
}

.page-products .price-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(16px, 2.2vw, 22px);
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--pp-rule);
}

.page-products .price-card--featured {
  border: 2px solid var(--c-teal);
  background: var(--c-snow);
  box-shadow: var(--pp-shadow);
}

.page-products .price-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--c-mist);
}

.page-products .price-card--featured .price-card__tag {
  color: var(--c-glacier);
}

.page-products .price-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

.page-products .price-card .price {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.4vw, 2.65rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-ember);
}

.page-products .price-card__unit {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--c-mist);
}

.page-products .price-card__sub {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-rule);
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-mist);
}

.page-products .price-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-products .price-card__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .price-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--c-orange);
}

.page-products .price-card__cta {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .price-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 费用条目 ---------- */
.page-products .fee-rows {
  margin-top: clamp(18px, 2.8vw, 26px);
  border-top: 1px solid var(--pp-rule);
}

.page-products .fee-row {
  background: var(--c-snow);
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .fee-row__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
}

.page-products .fee-row__summary::-webkit-details-marker {
  display: none;
}

.page-products .fee-row__summary::after {
  content: "+";
  order: 9;
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--c-glacier);
}

.page-products .fee-row[open] .fee-row__summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-products .fee-row__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-mist);
}

.page-products .fee-row__name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-teal);
}

.page-products .fee-row__amount {
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-ember);
}

.page-products .fee-row__body {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: var(--c-lake);
  border-left: 2px solid var(--c-orange);
  font-size: .875rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-products .fee-row__body p {
  margin: 0;
}

/* ---------- 会员中心仪表盘 ---------- */
.page-products .dash {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
}

.page-products .dash-card {
  padding: clamp(15px, 2vw, 20px);
  background: var(--c-snow);
}

.page-products .dash-card--accent {
  background: var(--c-mint);
}

.page-products .dash-card__code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-products .dash-card h3 {
  margin: 0 0 6px;
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-teal);
}

.page-products .dash-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--c-mist);
}

.page-products .dash-card--accent p {
  color: var(--c-ink);
}

.page-products .member-sub {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--c-mist);
}

/* ---------- 四步流程 ---------- */
.page-products .steps-wrap {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
}

.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
  display: grid;
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
}

.page-products .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
  padding: clamp(15px, 2vw, 20px);
  background: var(--c-snow);
}

.page-products .step__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-orange);
}

.page-products .step h3 {
  margin: 0;
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-teal);
}

.page-products .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .prod-figure--steps {
  margin: 0;
}

.page-products .prod-figure--steps img {
  aspect-ratio: 4 / 3;
}

.page-products .steps-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-products .steps-note a {
  color: var(--c-ember);
  text-underline-offset: 3px;
}

/* ---------- 常见问答 ---------- */
.page-products .faq-list {
  margin-top: clamp(18px, 2.8vw, 26px);
  border-top: 1px solid var(--pp-rule);
}

.page-products .faq-item {
  border-bottom: 1px solid var(--pp-rule);
  background: var(--c-snow);
}

.page-products .faq-item summary {
  position: relative;
  padding: 15px 34px 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-teal);
}

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

.page-products .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-glacier);
}

.page-products .faq-item[open] summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-products .faq-item summary:hover {
  color: var(--c-glacier);
}

.page-products .faq-item__body {
  padding: 0 2px 16px;
}

.page-products .faq-item__body p {
  margin: 0;
  padding: 12px 14px;
  background: var(--c-lake);
  border-left: 2px solid var(--c-glacier);
  font-size: .875rem;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-products .faq-more {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-products .faq-more a {
  color: var(--c-ember);
  text-underline-offset: 3px;
}

/* ---------- 收尾引导 ---------- */
.page-products .prod-tail {
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--pp-rule);
  background: linear-gradient(140deg, var(--c-lake) 0%, var(--c-snow) 68%);
}

.page-products .prod-tail__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--c-teal);
}

.page-products .prod-tail p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .prod-tail__links {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .price-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .steps-wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .prod-figure--steps {
    margin: 0;
    position: sticky;
    top: 96px;
  }

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

@media (min-width: 980px) {
  .page-products .prod-layout {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-products .prod-aside__sticky {
    position: sticky;
    top: 96px;
  }
}

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