.page-products {
  --pp-line: 1px solid var(--mist);
  --pp-gap: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(56px, 9vw, 104px);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-products .pp-crumb-current {
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(18px, 3vw, 30px) 0 clamp(26px, 4vw, 44px);
}

.page-products .pp-hero__kicker {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-products .pp-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8.4vw, 82px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .pp-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--graphite);
}

.page-products .pp-hero__panel {
  align-self: end;
  padding: 20px 22px;
  background: var(--paper-lift);
  border: var(--pp-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-products .pp-hero__panel-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-products .pp-hero__panel-list {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-hero__panel-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 8px;
  align-items: start;
}

.page-products .pp-hero__panel-num {
  font-size: 14px;
  font-weight: 500;
  color: var(--ember);
  line-height: 1.6;
}

.page-products .pp-hero__panel-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-products .pp-hero__panel-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 分段切换 ---------- */
.page-products .pp-switch {
  margin: clamp(18px, 3vw, 28px) 0 clamp(22px, 3.4vw, 36px);
}

/* ---------- 双路径并置 ---------- */
.page-products .pp-tracks {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pp-track {
  padding: clamp(22px, 3vw, 34px);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .pp-track--personal {
  background: var(--paper-lift);
  border: var(--pp-line);
}

.page-products .pp-track--team {
  background: var(--arena);
  color: var(--paper);
}

.page-products .pp-track__tag {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-products .pp-track__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .pp-track__lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .pp-track--team .pp-track__lede {
  color: rgba(243, 238, 226, 0.74);
}

.page-products .pp-figure {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
}

.page-products .pp-figure--dark .og-frame__caption {
  color: rgba(243, 238, 226, 0.6);
}

.page-products .pp-figure--wide {
  margin-top: clamp(22px, 3vw, 34px);
}

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

/* ---------- 步骤 ---------- */
.page-products .pp-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  position: relative;
  padding-left: 34px;
  padding-bottom: 14px;
}

.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 24px;
  bottom: -2px;
  border-left: 1px dashed var(--mist);
}

.page-products .pp-step:last-child::before {
  display: none;
}

.page-products .pp-step::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 13px;
  width: 9px;
  height: 9px;
}

.page-products .pp-track--personal .pp-step::after {
  background: var(--ember);
}

.page-products .pp-track--team .pp-step::after {
  background: var(--volt);
}

.page-products .pp-track--team .pp-step::before {
  border-left-color: rgba(200, 193, 178, 0.32);
}

.page-products .pp-step__summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ember);
}

.page-products .pp-step__detail[open] .pp-step__summary::after {
  content: "\2212";
}

.page-products .pp-step__num {
  font-size: 17px;
  font-weight: 500;
  color: var(--ember);
  line-height: 1.5;
}

.page-products .pp-step__label {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .pp-step__body {
  padding: 2px 0 6px;
}

.page-products .pp-step__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pp-track--team .pp-step__body p {
  color: rgba(243, 238, 226, 0.78);
}

.page-products .pp-step__check {
  border-left: 3px solid var(--ember);
  padding-left: 10px;
}

/* ---------- 章节头 ---------- */
.page-products .pp-compat,
.page-products .pp-boundary {
  margin-top: clamp(48px, 7vw, 84px);
}

.page-products .pp-compat__lede,
.page-products .pp-boundary__lede {
  margin: 14px 0 20px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 筛选 + 表格 ---------- */
.page-products .pp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

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

.page-products .pp-filter__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 7px 14px;
  color: var(--graphite);
  background: var(--paper-lift);
  border: var(--pp-line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
  transition: background-color 120ms var(--ease), color 120ms var(--ease);
}

.page-products .pp-filter__input:checked + .pp-filter__label {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-filter__input:focus-visible + .pp-filter__label {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: var(--pp-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pp-table__caption {
  caption-side: bottom;
  padding: 10px 16px;
  text-align: left;
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

.page-products .pp-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 12px 16px;
}

.page-products .pp-table tbody th,
.page-products .pp-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
  line-height: 1.68;
  text-align: left;
  font-weight: 400;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(200, 193, 178, 0.16);
}

.page-products .pp-table tbody th {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table-wrap:has(#pp-os-win:checked) .pp-table tbody tr:not([data-os="win"]),
.page-products .pp-table-wrap:has(#pp-os-mac:checked) .pp-table tbody tr:not([data-os="mac"]),
.page-products .pp-table-wrap:has(#pp-os-android:checked) .pp-table tbody tr:not([data-os="android"]),
.page-products .pp-table-wrap:has(#pp-os-ios:checked) .pp-table tbody tr:not([data-os="ios"]),
.page-products .pp-table-wrap:has(#pp-os-pad:checked) .pp-table tbody tr:not([data-os="pad"]) {
  display: none;
}

/* ---------- 资料包结构 ---------- */
.page-products .pp-pack {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
  margin-top: clamp(44px, 6vw, 72px);
}

.page-products .pp-pack .pp-figure {
  margin: 0;
}

.page-products .pp-pack__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-products .pp-pack__text {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--graphite);
}

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

.page-products .pp-pack__item {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper-lift);
  border-left: 3px solid var(--ember);
}

.page-products .pp-pack__item-num {
  font-size: 13px;
  color: var(--ember);
  line-height: 1.7;
}

.page-products .pp-pack__item-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 服务边界 ---------- */
.page-products .pp-boundary__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-products .pp-boundary__col {
  padding: 20px 22px;
  background: var(--paper-lift);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-products .pp-boundary__col--in {
  border: 1px solid var(--ink);
}

.page-products .pp-boundary__col--out {
  border: 1px dashed var(--signal);
}

.page-products .pp-boundary__col-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
}

.page-products .pp-dot--volt {
  background: var(--ink);
}

.page-products .pp-dot--signal {
  background: var(--signal);
}

.page-products .pp-boundary__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-boundary__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .pp-boundary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--mist);
}

.page-products .pp-boundary__col--out .pp-boundary__list li::before {
  background: var(--signal);
}

.page-products .pp-boundary__tail {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--mist);
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 40em;
}

.page-products .pp-boundary__tail a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ember);
}

.page-products .pp-boundary__tail a:hover,
.page-products .pp-boundary__tail a:focus-visible {
  color: var(--ember);
}

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pp-boundary__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-products .pp-pack {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-tracks {
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pp-tracks::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 3%;
    bottom: 3%;
    width: 2px;
    background: var(--ember);
    opacity: 0.45;
    transform: translateX(-50%) rotate(1.6deg);
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }

  .page-products .pp-tracks::after {
    transform: translateX(-50%);
  }
}