.page-products {
  --pd-sec: 52px;
  --pd-gap: 20px;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  margin: 22px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 8px;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(62, 232, 214, 0.13), transparent 62%),
    radial-gradient(70% 60% at 0% 100%, rgba(246, 184, 74, 0.08), transparent 60%);
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 16px;
  max-width: 920px;
}

.page-products .pd-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-products .pd-hero__accent {
  color: var(--neon);
}

.page-products .pd-hero .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--steel);
  max-width: 68ch;
}

.page-products .pd-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .pd-hero__note {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--steel);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

/* ---------- 流程配图 ---------- */
.page-products .pd-flow {
  margin: 30px auto 0;
}

.page-products .pd-flow .img-frame {
  border-color: var(--line);
}

.page-products .figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--steel);
  letter-spacing: 0.01em;
}

/* ---------- 章节索引 ---------- */
.page-products .pd-index {
  margin: 30px auto 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .pd-index .chapter-nav__link {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 章节通用 ---------- */
.page-products .pd-section {
  position: relative;
  padding: var(--pd-sec) 0;
  scroll-margin-top: calc(var(--topbar-h) + 56px);
}

.page-products .pd-section--violet {
  background: linear-gradient(180deg, transparent, rgba(26, 17, 54, 0.75) 12%, rgba(26, 17, 54, 0.75) 88%, transparent);
}

.page-products .section-head {
  margin-bottom: 8px;
}

/* ---------- 斜向分割带 ---------- */
.page-products .pd-slash {
  height: 56px;
  margin: 0 6vw;
  background: linear-gradient(100deg, rgba(62, 232, 214, 0.16) 0 18%, rgba(43, 30, 85, 0.85) 18% 62%, rgba(246, 184, 74, 0.12) 62% 100%);
  clip-path: polygon(0 62%, 100% 6%, 100% 44%, 0 100%);
  opacity: 0.85;
}

.page-products .pd-slash--flip {
  clip-path: polygon(0 6%, 100% 62%, 100% 100%, 0 44%);
  background: linear-gradient(280deg, rgba(62, 232, 214, 0.14) 0 20%, rgba(43, 30, 85, 0.85) 20% 64%, rgba(246, 184, 74, 0.14) 64% 100%);
}

/* ---------- 三步流程 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-step {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--violet));
  box-shadow: var(--shadow-panel);
  transition: border-color var(--ease), transform var(--ease);
}

.page-products .pd-step:hover {
  border-color: var(--neon);
}

.page-products .pd-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon), transparent);
}

.page-products .pd-step__title {
  margin: 2px 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .pd-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pd-step__meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--amber);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- 分类矩阵 ---------- */
.page-products .pd-matrix {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .pd-cat {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color var(--ease), background var(--ease);
}

.page-products .pd-cat:hover {
  border-color: var(--amber);
  background: var(--violet-lift);
}

.page-products .pd-cat__title {
  margin: 12px 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .pd-cat p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pd-cat__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .pd-cat__list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--frost);
  padding-left: 18px;
  position: relative;
}

.page-products .pd-cat__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

.page-products .pd-cat__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-products .pd-cat__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-products .pd-matrix-figure {
  margin: 30px 0 0;
}

/* ---------- iOS 说明 ---------- */
.page-products .pd-split {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .pd-ios-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-ios-item {
  border-left: 3px solid var(--neon);
  padding: 12px 16px;
  background: linear-gradient(90deg, rgba(62, 232, 214, 0.08), transparent 72%);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-products .pd-ios-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--amber);
}

.page-products .pd-ios-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--steel);
}

.page-products .pd-ios-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 22, 48, 0.7);
}

.page-products .pd-split__media .figure__cap {
  margin-top: 10px;
}

/* ---------- 对照区 ---------- */
.page-products .pd-compare-layout {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-products .pd-compare-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-compare-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-products .pd-compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-compare-wrap table {
  width: 100%;
  min-width: 540px;
}

.page-products .pd-compare-wrap th[scope="row"] {
  background: var(--violet);
  color: var(--frost);
  text-align: left;
  white-space: nowrap;
}

.page-products .pd-compare-figure {
  margin: 30px 0 0;
}

/* ---------- 适配稳定 ---------- */
.page-products .pd-split--flip .pd-split__media {
  order: -1;
}

.page-products .pd-split__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-num {
  font-family: var(--font-mono);
  color: var(--neon);
  letter-spacing: 0.02em;
  font-style: normal;
}

.page-products .pd-stable-list {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-stable-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--frost);
}

.page-products .pd-stable-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 常见疑问 ---------- */
.page-products .pd-acc {
  margin-top: 22px;
}

.page-products .pd-acc .acc__head {
  font-weight: 600;
  color: var(--frost);
}

.page-products .pd-acc .acc__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-acc-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .pd-acc-more a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease), color var(--ease);
}

.page-products .pd-acc-more a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 人工协助 ---------- */
.page-products .pd-help {
  display: grid;
  gap: 22px;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 130% at 0% 100%, rgba(62, 232, 214, 0.13), transparent 62%),
    radial-gradient(80% 120% at 100% 0%, rgba(246, 184, 74, 0.1), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--violet));
  box-shadow: var(--shadow-panel);
}

.page-products .pd-help__intro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-help__channels {
  display: grid;
  gap: 12px;
}

.page-products .pd-help .contact-chip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pd-help .contact-chip__label {
  flex: 0 0 auto;
}

.page-products .pd-help .copy-chip {
  margin-left: auto;
}

.page-products .pd-help__hours {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products {
    --pd-sec: 66px;
  }

  .page-products .pd-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pd-help {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
    padding: 34px 30px;
  }

  .page-products .pd-help__intro {
    grid-column: 1 / -1;
  }

  .page-products .pd-help__hours,
  .page-products .pd-help__actions {
    grid-column: 1 / -1;
  }
}

@media (min-width: 940px) {
  .page-products {
    --pd-sec: 84px;
  }

  .page-products .pd-hero {
    padding: 42px 0 12px;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-step::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -22px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--neon), rgba(62, 232, 214, 0));
  }

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

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

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 46px;
    align-items: center;
  }

  .page-products .pd-split--flip .pd-split__media {
    order: 0;
  }

  .page-products .pd-split--flip {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-products .pd-compare-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .pd-matrix-figure {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1200px) {
  .page-products .pd-hero__inner {
    max-width: 960px;
  }

  .page-products .pd-slash {
    margin: 0 6vw;
    height: 72px;
  }
}