.page-products {
  --pd-gap: clamp(16px, 3vw, 28px);
  --pd-radius: 4px;
  --pd-line: var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

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

.page-products .pd-top {
  padding-top: clamp(14px, 2.5vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero-wrap {
  padding-top: clamp(12px, 2vw, 20px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-products .pd-hero {
  position: relative;
  padding: clamp(22px, 4.2vw, 52px);
  background: linear-gradient(158deg, var(--paper-deep) 0%, var(--paper) 62%, var(--cyan-soft) 140%);
  border: 1px solid var(--line-strong);
  border-radius: var(--pd-radius);
  overflow: hidden;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed var(--line);
  border-radius: 2px;
  pointer-events: none;
}

.page-products .pd-hero > * {
  position: relative;
  z-index: 1;
}

.page-products .pd-hero .label {
  margin: 0 0 16px;
}

.page-products .pd-hero h1 {
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 17ch;
}

.page-products .pd-hero__lead {
  font-size: 17px;
  line-height: 1.85;
  margin: 0 0 26px;
  max-width: 54ch;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-products .pd-hero__side {
  border-top: 2px solid var(--flame);
  padding-top: 16px;
}

.page-products .pd-hero__side-title {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-products .pd-hero__side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-hero__side-list li a {
  display: inline-block;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
  padding-bottom: 3px;
}

.page-products .pd-hero__side-list li a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 区块通用 ---------- */
.page-products .pd-paths,
.page-products .pd-compare,
.page-products .pd-save {
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-products .pd-steps,
.page-products .pd-adapt,
.page-products .pd-fallback {
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-products .pd-steps {
  background: var(--cyan-soft);
}

.page-products .pd-fallback {
  background: var(--sand-soft);
}

.page-products .section-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-products .figure img {
  width: 100%;
  border-radius: var(--pd-radius);
  background: var(--paper-deep);
}

/* ---------- 路径总览 ---------- */
.page-products .pd-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-path {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 8px 14px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-path:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pd-path__no {
  grid-row: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-soft);
  color: var(--cyan-deep);
  border-radius: var(--pd-radius);
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
}

.page-products .pd-path__body {
  min-width: 0;
}

.page-products .pd-path__title {
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0 0 8px;
}

.page-products .pd-path__fit {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 6px;
}

.page-products .pd-path__how {
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 10px;
}

.page-products .pd-path__link {
  font-size: 14.5px;
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
}

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

.page-products .pd-path__order {
  grid-column: 2;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--flame);
}

@media (min-width: 800px) {
  .page-products .pd-path {
    grid-template-columns: 44px minmax(0, 1fr) 110px;
    align-items: start;
  }

  .page-products .pd-path__order {
    grid-column: 3;
    text-align: right;
    padding-top: 12px;
  }
}

/* ---------- 分步操作 ---------- */
.page-products .pd-steps__grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-products .pd-rail {
  background: var(--paper);
  border-radius: var(--pd-radius);
  padding: 14px 12px;
}

.page-products .pd-rail__title {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-family: var(--font-serif);
  margin: 0 0 10px;
  padding-left: 4px;
}

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

.page-products .pd-rail__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid var(--line);
  border-radius: 0 3px 3px 0;
}

.page-products .pd-rail__list a:hover {
  background: var(--sand-soft);
  border-left-color: var(--flame);
  color: var(--cyan-deep);
}

.page-products .pd-rail__no {
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--cyan-deep);
}

.page-products .pd-cards {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-products .pd-stepcard {
  background: var(--paper);
  border-radius: var(--pd-radius);
  border-left: 3px solid var(--cyan);
  padding: clamp(16px, 3vw, 24px);
  scroll-margin-top: 84px;
}

.page-products .pd-stepcard__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-products .pd-stepcard__num {
  width: 30px;
  height: 30px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-deep);
  color: var(--paper);
  border-radius: var(--pd-radius);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
}

.page-products .pd-stepcard__title {
  font-size: var(--fs-h3);
  font-weight: 900;
  line-height: 1.35;
  margin: 0;
}

.page-products .pd-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  cursor: pointer;
}

.page-products .pd-step__box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1.5px solid var(--cyan);
  border-radius: 3px;
  background: var(--paper);
  position: relative;
  cursor: pointer;
}

.page-products .pd-step__box:checked {
  background: var(--cyan-deep);
  border-color: var(--cyan-deep);
}

.page-products .pd-step__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(45deg);
}

.page-products .pd-step__text {
  font-size: 15.5px;
  line-height: 1.75;
}

.page-products .pd-step__box:checked + .pd-step__text {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--cyan);
}

.page-products .pd-fold {
  margin-top: 12px;
}

.page-products .pd-fold summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--cyan-deep);
  border-top: 1px solid var(--line);
}

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

.page-products .pd-fold summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--flame);
}

.page-products .pd-fold[open] summary::after {
  content: "–";
}

.page-products .pd-fold p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-steps__figure {
  margin: 0;
}

.page-products .pd-steps__figure img {
  width: 100%;
  border-radius: var(--pd-radius);
}

@media (min-width: 860px) {
  .page-products .pd-steps__grid {
    grid-template-columns: 176px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: 20px;
  }

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

@media (min-width: 1120px) {
  .page-products .pd-steps__grid {
    grid-template-columns: 176px minmax(0, 1fr) 232px;
  }

  .page-products .pd-steps__figure {
    grid-column: 3;
  }
}

/* ---------- 适配清单 ---------- */
.page-products .pd-adapt__panel {
  position: relative;
}

.page-products .dev-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.page-products .pd-filter label {
  display: inline-block;
  font-size: 14px;
  line-height: 1.4;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  background: transparent;
}

.page-products .pd-filter label:hover {
  border-color: var(--cyan-deep);
  color: var(--cyan-deep);
}

.page-products #dev-all:checked ~ .pd-filter label[for="dev-all"],
.page-products #dev-ios:checked ~ .pd-filter label[for="dev-ios"],
.page-products #dev-android:checked ~ .pd-filter label[for="dev-android"],
.page-products #dev-desktop:checked ~ .pd-filter label[for="dev-desktop"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pd-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--pd-radius);
  background: var(--paper);
}

.page-products .pd-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table th {
  text-align: left;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 12px 14px;
  background: var(--cyan-deep);
  color: var(--paper);
  white-space: nowrap;
}

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

.page-products .pd-table tbody tr:nth-child(even) {
  background: var(--cyan-soft);
}

.page-products .pd-table tbody tr:hover {
  background: var(--sand-soft);
}

.page-products .pd-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: inherit;
  font-weight: 700;
  min-width: 168px;
  box-shadow: 1px 0 0 var(--line);
}

.page-products .pd-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  white-space: nowrap;
}

.page-products .pd-status__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
  background: var(--muted);
}

.page-products .pd-status--ok .pd-status__dot {
  background: var(--cyan-deep);
}

.page-products .pd-status--adjust .pd-status__dot {
  background: var(--sand);
  box-shadow: inset 0 0 0 1.5px var(--flame);
}

.page-products .pd-status--switch .pd-status__dot {
  background: var(--flame);
}

.page-products .pd-status--ok {
  color: var(--cyan-deep);
}

.page-products .pd-status--adjust {
  color: var(--ink);
}

.page-products .pd-status--switch {
  color: var(--flame);
}

.page-products #dev-ios:checked ~ .pd-tablewrap tbody tr,
.page-products #dev-android:checked ~ .pd-tablewrap tbody tr,
.page-products #dev-desktop:checked ~ .pd-tablewrap tbody tr {
  display: none;
}

.page-products #dev-all:checked ~ .pd-tablewrap tbody tr {
  display: table-row;
}

.page-products #dev-ios:checked ~ .pd-tablewrap tbody tr[data-device="ios"],
.page-products #dev-android:checked ~ .pd-tablewrap tbody tr[data-device="android"],
.page-products #dev-desktop:checked ~ .pd-tablewrap tbody tr[data-device="desktop"] {
  display: table-row;
}

.page-products .pd-adapt__note {
  margin: 14px 0 0;
}

/* ---------- 桌面与移动对照 ---------- */
.page-products .pd-compare__cols {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pd-compare__col {
  padding-top: 16px;
  border-top: 3px solid var(--cyan);
}

.page-products .pd-compare__col--mobile {
  border-top-color: var(--sand);
}

.page-products .pd-compare__title {
  font-size: var(--fs-h3);
  font-weight: 900;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.page-products .pd-compare__list {
  margin: 0;
}

.page-products .pd-compare__list dt {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--flame);
  margin-bottom: 4px;
}

.page-products .pd-compare__list dd {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
}

.page-products .pd-compare__list dd:last-child {
  margin-bottom: 0;
}

@media (min-width: 820px) {
  .page-products .pd-compare__cols {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-products .pd-compare__col {
    padding-left: clamp(18px, 3vw, 34px);
    padding-right: clamp(18px, 3vw, 34px);
  }

  .page-products .pd-compare__col + .pd-compare__col {
    border-left: 1px solid var(--line-strong);
  }

  .page-products .pd-compare__col--mobile {
    text-align: right;
  }

  .page-products .pd-compare__col--mobile .pd-compare__list dd {
    padding-left: clamp(10px, 2vw, 26px);
  }
}

/* ---------- 走不通时 ---------- */
.page-products .pd-fallback__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line-strong);
}

.page-products .pd-fallback__list li {
  position: relative;
  padding: 16px 0 16px 22px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-products .pd-fallback__list li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--flame);
}

.page-products .pd-fallback__case {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 6px;
}

.page-products .pd-fallback__fix {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-products .pd-fallback__fix a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-products .pd-fallback__fix a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

.page-products .pd-fallback__note {
  margin: 18px 0 0;
}

.page-products .pd-fallback__note a {
  color: var(--cyan-deep);
  border-bottom: 1px solid var(--cyan);
  text-decoration: none;
}

/* ---------- 收藏 ---------- */
.page-products .pd-save__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-products .pd-save__figure {
  margin: 0;
}

.page-products .pd-save__figure img {
  width: 100%;
  border-radius: var(--pd-radius);
  background: var(--sand-soft);
}

.page-products .pd-save__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 10px 0 20px;
}

.page-products .pd-save__steps {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-products .pd-save__step h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cyan);
}

.page-products .pd-save__step ol {
  margin: 0;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-products .pd-save__step li {
  margin-bottom: 4px;
}

.page-products .pd-save__note {
  margin-top: 20px;
}

.page-products .pd-save__note a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-products .pd-save__note a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

@media (min-width: 720px) {
  .page-products .pd-save__steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 880px) {
  .page-products .pd-save__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

/* ---------- 结尾 ---------- */
.page-products .pd-endnote {
  padding: 26px 0 clamp(40px, 6vw, 72px);
}

.page-products .pd-endnote p {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-endnote a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-products .pd-endnote a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

/* ---------- 锚点定位 ---------- */
.page-products .pd-steps,
.page-products .pd-adapt,
.page-products .pd-compare,
.page-products .pd-fallback,
.page-products .pd-save,
.page-products .pd-paths {
  scroll-margin-top: 82px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-rail__list a,
  .page-products .pd-path__link,
  .page-products .pd-filter label,
  .page-products .pd-fold summary {
    transition: none;
  }
}
</main>