.page-products {
  --pp-gap: clamp(16px, 2.4vw, 28px);
  --pp-mono-size: 12px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-products .pp-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-products .pp-hero-title {
  font-size: clamp(34px, 7.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  margin: 10px 0 18px;
  color: var(--sk-sand);
  max-width: 16ch;
}

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

.page-products .pp-hero-metric {
  border-left: 4px solid var(--sk-orange);
  padding: 4px 0 4px 20px;
}

.page-products .pp-bignum {
  display: block;
  font-family: var(--sk-mono);
  font-weight: 700;
  font-size: clamp(46px, 14.5vw, 160px);
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: var(--sk-sand);
}

.page-products .pp-metric-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sk-text);
}

.page-products .pp-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .pp-panel {
  padding: 20px 22px 22px;
  border-left-width: 4px;
  border-left-style: solid;
}

.page-products .pp-panel--green { border-left-color: var(--sk-green); }
.page-products .pp-panel--legacy { border-left-color: var(--sk-legacy); }
.page-products .pp-panel--signal { border-left-color: var(--sk-wine); }

.page-products .pp-panel-title {
  font-size: 18px;
  font-weight: 800;
  margin: 12px 0 8px;
  color: var(--sk-sand);
}

.page-products .pp-panel-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--sk-text);
  margin: 0;
}

.page-products .pp-hero-media {
  margin-top: clamp(24px, 4vw, 40px);
}

/* ---------- 分类 ---------- */
.page-products .pp-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.page-products .pp-cat {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 4px solid var(--sk-line-strong);
  transition: transform var(--sk-dur) var(--sk-ease), border-color var(--sk-dur) var(--sk-ease);
}

.page-products .pp-cat:hover {
  transform: translateX(2px);
  border-left-color: var(--sk-orange);
}

.page-products .pp-cat-code {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--sk-orange);
}

.page-products .pp-cat-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--sk-sand);
  margin: 0;
}

.page-products .pp-cat-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--sk-text);
  margin: 0;
}

.page-products .pp-cat-meta {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sk-legacy);
}

.page-products .pp-note {
  margin-top: 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sk-text);
  border-top: 1px solid var(--sk-line);
  padding-top: 16px;
  max-width: 62ch;
}

/* ---------- 筛选结构 ---------- */
.page-products .pp-filter-grid {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pp-filter-copy .sk-lede {
  margin-top: 14px;
}

.page-products .pp-filter-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-filter-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--sk-panel);
  border: 1px solid var(--sk-line);
  border-left: 4px solid var(--sk-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .pp-filter-item--green { border-left-color: var(--sk-green); }
.page-products .pp-filter-item--signal { border-left-color: var(--sk-orange); }
.page-products .pp-filter-item--legacy { border-left-color: var(--sk-legacy); }

.page-products .pp-filter-key {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--sk-sand);
  padding-top: 2px;
}

.page-products .pp-filter-name {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--sk-sand);
}

.page-products .pp-filter-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sk-text);
}

.page-products .pp-filter-tail {
  margin: 20px 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sk-text);
}

.page-products .pp-filter-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pp-filter-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-products .pp-filter-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 10px 14px;
  border-top: 5px solid var(--sk-line-strong);
  background: var(--sk-panel);
  color: var(--sk-sand);
}

.page-products .pp-filter-col span {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sk-text);
}

.page-products .pp-filter-col em {
  font-style: normal;
  font-size: 15px;
  font-weight: 800;
}

.page-products .pp-filter-col--green { border-top-color: var(--sk-green); }
.page-products .pp-filter-col--signal { border-top-color: var(--sk-orange); }
.page-products .pp-filter-col--legacy { border-top-color: var(--sk-legacy); }

.page-products .pp-filter-media {
  margin: 0;
}

.page-products .pp-filter-conditions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-cond {
  font-family: var(--sk-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  color: var(--sk-sand);
  border: 1px solid var(--sk-line-strong);
  background: rgba(174, 185, 201, 0.06);
}

/* ---------- 四步流程 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  counter-reset: ppstep;
}

.page-products .pp-flow-step {
  padding: 18px 18px 20px;
  background: var(--sk-panel);
  border: 1px solid var(--sk-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .pp-step-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--sk-sand);
}

.page-products .pp-step-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--sk-navy);
  background: var(--sk-legacy);
  transition: background-color var(--sk-dur) var(--sk-ease);
}

.page-products .pp-step-btn[aria-pressed="true"] .pp-step-num {
  background: var(--sk-green);
}

.page-products .pp-step-title {
  font-size: 17px;
  font-weight: 800;
}

.page-products .pp-step-text {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sk-text);
}

.page-products .pp-step-out {
  margin: 10px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--sk-green);
}

.page-products .pp-flow-lower {
  margin-top: 32px;
  align-items: start;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--sk-line);
  background: var(--sk-panel);
}

.page-products .pp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pp-table-caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sk-legacy);
  border-bottom: 1px solid var(--sk-line);
}

.page-products .pp-table th {
  position: sticky;
  top: 0;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--sk-sand);
  background: var(--sk-navy);
  padding: 12px 14px;
  border-bottom: 1px solid var(--sk-line-strong);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 14px;
  color: var(--sk-text);
  border-bottom: 1px solid var(--sk-line);
  vertical-align: middle;
}

.page-products .pp-table tbody tr {
  transition: background-color var(--sk-dur) var(--sk-ease);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(174, 185, 201, 0.08);
}

.page-products .pp-table td.sk-mono {
  color: var(--sk-sand);
  white-space: nowrap;
}

.page-products .pp-table td .sk-dot {
  margin-right: 6px;
}

.page-products .pp-flow-media {
  margin: 0;
}

/* ---------- 企业客户 ---------- */
.page-products .pp-ent-grid {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pp-ent-copy .sk-lede {
  margin-top: 14px;
}

.page-products .pp-ent-points {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-ent-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sk-text);
}

.page-products .pp-ent-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--sk-indigo);
}

.page-products .pp-ent-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pp-ent-media {
  margin: 0;
}

.page-products .pp-ent-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-products .pp-figure {
  padding: 14px 12px;
  background: var(--sk-panel);
  border-top: 3px solid var(--sk-indigo);
}

.page-products .pp-figure-num {
  display: block;
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sk-sand);
}

.page-products .pp-figure-cap {
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--sk-text);
}

/* ---------- 对照视图 ---------- */
.page-products .pp-compare-grid {
  margin-top: 32px;
  align-items: start;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--sk-line);
  background: var(--sk-panel);
}

.page-products .pp-compare-col {
  padding: 18px 18px 22px;
}

.page-products .pp-compare-col--legacy {
  background: rgba(138, 148, 166, 0.09);
  letter-spacing: 0.02em;
}

.page-products .pp-compare-head {
  margin: 0 0 14px;
  font-size: 12px;
}

.page-products .pp-compare-line {
  margin: 0 0 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sk-text);
  border-left: 2px solid transparent;
  background: rgba(14, 27, 44, 0.45);
}

.page-products .pp-compare-line--diff {
  border-left-color: var(--sk-green);
  color: var(--sk-sand);
}

.page-products .pp-compare-col--legacy .pp-compare-line {
  color: var(--sk-legacy);
}

.page-products .pp-compare-col--legacy .pp-compare-line--diff {
  color: var(--sk-sand);
}

.page-products .pp-compare-seam {
  height: 1px;
  background: var(--sk-line-strong);
}

.page-products .pp-compare-media {
  margin: 0;
}

/* ---------- 更新节奏 ---------- */
.page-products .pp-cycle {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.page-products .pp-cycle-item {
  padding: 22px 22px 24px;
  background: var(--sk-panel);
  border-left: 4px solid var(--sk-line-strong);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--sk-dur) var(--sk-ease);
}

.page-products .pp-cycle-item:nth-child(1) { border-left-color: var(--sk-orange); }
.page-products .pp-cycle-item:nth-child(2) { border-left-color: var(--sk-green); }
.page-products .pp-cycle-item:nth-child(3) { border-left-color: var(--sk-legacy); }

.page-products .pp-cycle-item:hover {
  border-left-color: var(--sk-indigo);
}

.page-products .pp-cycle-num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sk-orange);
}

.page-products .pp-cycle-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--sk-sand);
  margin: 0;
}

.page-products .pp-cycle-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--sk-text);
  margin: 0 0 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pp-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-cycle {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pp-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-cats > :last-child {
    grid-column: 1 / -1;
  }
  .page-products .pp-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-compare {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  }
  .page-products .pp-compare-seam {
    height: auto;
    width: 1px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }
  .page-products .pp-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-cycle {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-cats > :last-child {
    grid-column: auto;
  }
  .page-products .pp-cat:last-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cat,
  .page-products .pp-step-num,
  .page-products .pp-cycle-item,
  .page-products .pp-table tbody tr {
    transition: none;
  }
  .page-products .pp-cat:hover {
    transform: none;
  }
}