.page-products {
  --pp-gap: clamp(24px, 3.4vw, 56px);
  --pp-pad: clamp(18px, 2.6vw, 34px);
  --pp-rule: 1px solid var(--line);
  --pp-paper-ink: #26362F;
  --pp-paper-muted: #4C5F55;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-products .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-products .section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .media {
  margin: 0;
  border: var(--pp-rule);
  background: var(--panel);
}

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

.page-products .media__caption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  border-top: var(--pp-rule);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(36px, 5vw, 72px);
  background:
    radial-gradient(58% 46% at 86% -6%, rgba(184, 255, 61, .10), transparent 68%),
    radial-gradient(46% 40% at 4% 100%, rgba(243, 184, 74, .07), transparent 70%),
    var(--ink);
  border-bottom: var(--pp-rule);
  isolation: isolate;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(to right, rgba(41, 72, 62, .55) 1px, transparent 1px);
  background-size: 25% 100%;
  opacity: .42;
  pointer-events: none;
}

.page-products .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--lime);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(22px, 3.4vw, 46px);
}

.page-products .pp-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 78px);
  line-height: .98;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-products .pp-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--lime);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero__actions .btn {
  flex: 1 1 200px;
  text-align: center;
}

.page-products .pp-hero__media {
  border-color: var(--grid, var(--line));
}

.page-products .pp-taglist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-taglist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--body-soft);
  background: var(--panel);
  border-left: 2px solid var(--lime);
}

.page-products .pp-taglist li:last-child {
  border-left-color: var(--amber);
}

.page-products .tag {
  flex: none;
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.6;
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .tag--lime {
  background: var(--lime);
  color: var(--ink);
}

.page-products .tag--amber {
  background: var(--amber);
  color: var(--ink);
}

.page-products .tag--alert {
  background: transparent;
  color: var(--alert);
  border: 1px solid var(--alert);
}

.page-products .pp-hero .tag:not([class*="tag--"]),
.page-products .pp-device .tag:not([class*="tag--"]) {
  border: 1px solid var(--line);
  color: var(--muted);
}

/* ---------- 章节基础 ---------- */
.page-products .pp-section {
  padding: clamp(44px, 6.4vw, 92px) 0;
  border-top: var(--pp-rule);
}

.page-products .pp-hero + .pp-section {
  border-top: 0;
}

.page-products .pp-head {
  margin-bottom: clamp(26px, 3.6vw, 46px);
  max-width: 70ch;
}

.page-products .pp-split {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-split__aside {
  order: 2;
}

.page-products .pp-checks {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .pp-checks li {
  position: relative;
  padding: 14px 0 14px 22px;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--body-soft);
  border-top: var(--pp-rule);
}

.page-products .pp-checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 6px;
  height: 6px;
  background: var(--lime);
}

.page-products .pp-checks strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pp-note {
  padding: var(--pp-pad);
  background: var(--panel);
  border: var(--pp-rule);
  border-top: 2px solid var(--lime);
}

.page-products .pp-note__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-products .pp-note p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body-soft);
}

.page-products .pp-note__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-products .pp-note__link:hover {
  color: var(--lime-hover);
}

/* ---------- 技能树 ---------- */
.page-products .pp-tree__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-tree__list::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 18px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(to bottom, var(--lime), var(--line) 34%, var(--line));
}

.page-products .pp-tree__node {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  padding-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pp-tree__node:last-child {
  padding-bottom: 0;
}

.page-products .pp-tree__index {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-size: 12px;
  color: var(--lime);
  background: var(--ink);
  border: 1px solid var(--lime);
  border-radius: 50%;
}

.page-products .pp-tree__node--member .pp-tree__index {
  color: var(--amber);
  border-color: var(--amber);
}

.page-products .pp-tree__body {
  padding: var(--pp-pad);
  background: var(--panel);
  border: var(--pp-rule);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pp-tree__node--member .pp-tree__body {
  border-left: 2px solid var(--amber);
}

.page-products .pp-tree__body:hover {
  border-color: var(--lime);
}

.page-products .pp-tree__node--member .pp-tree__body:hover {
  border-color: var(--amber);
}

.page-products .pp-tree__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--paper);
}

.page-products .pp-tree__body > p {
  margin: 0 0 16px;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .pp-tree__meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-products .pp-tree__meta > div {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-top: 1px dashed var(--line);
}

.page-products .pp-tree__meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .pp-tree__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .pp-tree__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 2px;
}

/* ---------- 费用 ---------- */
.page-products .pp-fees__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-fees__paper {
  padding: clamp(14px, 2vw, 26px);
  background: var(--paper-warm);
  color: var(--pp-paper-ink);
  border: 1px solid var(--paper);
}

.page-products .pp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--pp-paper-muted);
}

.page-products .pp-table th,
.page-products .pp-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(10, 12, 11, .16);
}

.page-products .pp-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--pp-paper-muted);
  border-bottom: 1px solid rgba(10, 12, 11, .34);
}

.page-products .pp-table tbody th {
  font-weight: 700;
  color: var(--ink-deep);
  white-space: nowrap;
}

.page-products .pp-table tbody tr:nth-child(odd) {
  background: rgba(10, 12, 11, .05);
}

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

.page-products .pp-fees__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .pp-fees__media {
  border-color: var(--line);
}

.page-products .pp-details {
  background: var(--panel);
  border: var(--pp-rule);
  border-left: 2px solid var(--amber);
  padding: 16px 18px;
}

.page-products .pp-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
  list-style: none;
}

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

.page-products .pp-details summary::before {
  content: "+ ";
  color: var(--amber);
}

.page-products .pp-details[open] summary::before {
  content: "− ";
}

.page-products .pp-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-products .pp-details ul {
  margin: 16px 0 12px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-details li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  color: var(--body-soft);
}

.page-products .pp-details__foot {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 会员 ---------- */
.page-products .pp-member__media {
  border-top: 2px solid var(--amber);
}

.page-products .pp-benefits {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .pp-benefits li {
  padding: 16px 0;
  border-top: var(--pp-rule);
}

.page-products .pp-benefits h3 {
  margin: 0 0 6px;
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--paper);
}

.page-products .pp-benefits p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .pp-statrow {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 2px solid var(--amber);
}

.page-products .pp-stat__num {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--amber);
}

.page-products .pp-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--body-soft);
}

/* ---------- 获取路径 ---------- */
.page-products .pp-paths {
  display: grid;
  gap: 14px;
}

.page-products .pp-path {
  position: relative;
  padding: var(--pp-pad);
  padding-left: calc(var(--pp-pad) + 4px);
  background: var(--panel);
  border: var(--pp-rule);
  border-left: 2px solid var(--lime);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-path:hover {
  transform: translateX(4px);
  border-color: var(--lime);
}

.page-products .pp-path__no {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
  margin-bottom: 8px;
}

.page-products .pp-path h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  color: var(--paper);
}

.page-products .pp-path p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .pp-path__link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-products .pp-path__link:hover {
  color: var(--lime-hover);
}

.page-products .pp-download__media {
  margin-top: clamp(22px, 3vw, 36px);
}

/* ---------- 设备 ---------- */
.page-products .pp-devices {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-device {
  padding: 18px;
  background: var(--panel);
  border: var(--pp-rule);
}

.page-products .pp-device__icon {
  display: block;
  width: 34px;
  height: 34px;
  color: var(--lime);
  margin-bottom: 12px;
}

.page-products .pp-device h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
}

.page-products .pp-device p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--body-soft);
}

.page-products .pp-devices__media {
  margin-top: 22px;
}

/* ---------- 组合 ---------- */
.page-products .pp-combos {
  display: grid;
  gap: 14px;
}

.page-products .pp-combo {
  padding: var(--pp-pad);
  background: var(--panel);
  border: var(--pp-rule);
  border-top: 2px solid var(--line);
}

.page-products .pp-combo--member {
  border-top-color: var(--amber);
  background: linear-gradient(180deg, rgba(243, 184, 74, .09), transparent 62%), var(--panel);
}

.page-products .pp-combo__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-products .pp-combo--member .pp-combo__kicker {
  color: var(--amber);
}

.page-products .pp-combo h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.2;
  color: var(--paper);
}

.page-products .pp-combo > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .pp-combo ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.page-products .pp-combo li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .help-strip {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 3.6vw, 44px);
  padding: 20px 0 20px 18px;
  border-left: 2px solid var(--lime);
  background: rgba(15, 51, 42, .55);
  padding-right: 18px;
}

.page-products .help-strip__text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--paper);
}

.page-products .help-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-products .help-strip__links a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-products .help-strip__links a:hover {
  color: var(--lime-hover);
}

.page-products :focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-taglist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-taglist li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

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

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

  .page-products .help-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (max-width: 639px) {
  .page-products .pp-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .page-products .pp-table,
  .page-products .pp-table tbody,
  .page-products .pp-table tr,
  .page-products .pp-table th,
  .page-products .pp-table td {
    display: block;
    width: 100%;
  }

  .page-products .pp-table tr {
    padding: 10px 0 12px;
    border-bottom: 1px solid rgba(10, 12, 11, .2);
  }

  .page-products .pp-table tbody tr:nth-child(odd) {
    background: transparent;
  }

  .page-products .pp-table tbody th {
    padding: 4px 10px 8px;
    border-bottom: 0;
    font-size: 16px;
  }

  .page-products .pp-table td {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 10px;
    padding: 5px 10px;
    border-bottom: 0;
  }

  .page-products .pp-table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .04em;
    color: var(--pp-paper-muted);
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pp-split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-split--flip > .pp-split__main {
    order: 2;
  }

  .page-products .pp-split--flip > figure,
  .page-products .pp-split--flip > .pp-split__aside {
    order: 1;
  }

  .page-products .pp-split > .pp-split__aside {
    position: sticky;
    top: 96px;
  }

  .page-products .pp-fees__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .pp-fees__aside {
    position: sticky;
    top: 96px;
  }

  .page-products .pp-paths {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-combos {
    grid-template-columns: minmax(0, 4fr) minmax(0, 4fr) minmax(0, 4fr);
    align-items: stretch;
  }

  .page-products .pp-combo {
    display: flex;
    flex-direction: column;
  }

  .page-products .pp-combo ul {
    margin-top: auto;
  }

  .page-products .pp-devices__media {
    margin-top: 0;
  }

  .page-products .pp-tree__node {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .page-products .pp-tree__list::before {
    left: 21px;
  }

  .page-products .pp-tree__index {
    width: 44px;
    height: 44px;
    font-size: 13px;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-hero h1 {
    max-width: 15ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-path {
    transition: none;
  }

  .page-products .pp-path:hover {
    transform: none;
  }
}

.page-products {
  --grid: currentColor;
}