.page-products {
  --pp-gap: 16px;
  --pp-pad: 18px;
  --pp-line-soft: rgba(31, 64, 84, 0.55);
  --pp-line-faint: rgba(31, 64, 84, 0.32);
}

.page-products .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 20px;
  box-sizing: border-box;
}

.page-products .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--mist);
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.pp-hero {
  padding: 26px 0 6px;
}

.pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 22px;
}

.pp-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
}

.pp-hero .lede {
  margin: 16px 0 0;
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.pp-hero__chips {
  margin-top: 20px;
}

.pp-gauge {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 4px 16px;
  align-self: start;
}

.pp-gauge__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pp-line-faint);
}

.pp-gauge__row:last-child {
  border-bottom: 0;
}

.pp-gauge__k {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.pp-gauge__v {
  font-size: 15px;
  color: var(--paper);
  white-space: nowrap;
}

/* ---------- 区块通用 ---------- */
.pp-sec {
  padding: 40px 0;
}

.pp-head {
  max-width: 46rem;
}

.pp-head .section-title {
  margin: 12px 0 0;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.24;
  font-weight: 700;
  color: var(--paper);
}

.pp-head__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
  max-width: var(--measure);
}

/* ---------- 图示 ---------- */
.page-products .pp-figure {
  margin: 24px 0 0;
}

.page-products .pp-figure .figure__img,
.page-products .figure__img {
  max-width: 100%;
  height: auto;
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--layer);
}

.page-products .figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  line-height: 1.7;
}

.pp-figure--adapt img {
  max-height: 320px;
  object-fit: cover;
}

/* ---------- 双栏对照 ---------- */
.pp-lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.pp-lane {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--pp-pad);
  overflow: hidden;
}

.pp-lane::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pp-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-line-soft) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0.28;
  pointer-events: none;
}

.pp-lane > * {
  position: relative;
  z-index: 1;
}

.pp-lane--mobile {
  border-top: 2px solid var(--cyan);
}

.pp-lane--desk {
  border-top: 2px solid var(--cyan-deep);
}

.pp-lane__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pp-line-faint);
}

.pp-lane__head h3 {
  margin: 0;
  flex: 1;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--paper);
}

.pp-lane__tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.pp-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: none;
}

.pp-mark--dot {
  background: var(--cyan);
  border-radius: 50%;
}

.pp-mark--sq {
  background: var(--amber);
}

.pp-facts {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.pp-facts li {
  display: grid;
  gap: 5px;
  padding-left: 12px;
  border-left: 1px solid var(--pp-line-faint);
}

.pp-facts__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.pp-facts__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.pp-lane__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line-faint);
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 三步 ---------- */
.pp-sec--steps {
  padding-top: 46px;
}

.pp-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.pp-step {
  position: relative;
  border: 1px solid var(--line);
  background: var(--layer);
  padding: 22px 18px 18px;
  overflow: hidden;
}

.pp-step--alert {
  border-color: var(--amber-dim);
}

.pp-step__ghost {
  position: absolute;
  right: 6px;
  top: -14px;
  font-size: 96px;
  line-height: 1;
  font-weight: 600;
  color: var(--cyan);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.pp-step--alert .pp-step__ghost {
  color: var(--amber);
  opacity: 0.1;
}

.pp-step > *:not(.pp-step__ghost) {
  position: relative;
  z-index: 1;
}

.pp-step__num {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--pp-line-soft);
  padding: 2px 8px;
  letter-spacing: 0.1em;
}

.pp-step--alert .pp-step__num {
  color: var(--amber);
  border-color: var(--amber-dim);
}

.pp-step h3 {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.pp-step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.pp-step__tip {
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px solid var(--pp-line-faint);
  font-size: 13px !important;
  color: var(--mist);
}

.pp-step--alert .pp-step__tip {
  color: var(--amber);
}

/* ---------- 筛选 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 26px 0 18px;
}

.page-products .filter-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-products .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-products .filter-btn:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-products .filter-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  margin-left: auto;
}

.page-products .is-filtered {
  display: none !important;
}

.pp-adapt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.pp-adapt {
  border: 1px solid var(--line);
  background: var(--layer);
  padding: 14px 15px;
  display: grid;
  gap: 9px;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.pp-adapt:hover {
  border-color: var(--cyan);
  background: var(--panel);
}

.pp-adapt__top {
  display: flex;
  align-items: center;
  gap: 9px;
}

.pp-adapt__name {
  margin: 0;
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.pp-adapt__count {
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid var(--pp-line-soft);
  padding: 1px 7px;
  white-space: nowrap;
}

.pp-adapt p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 差异反白面板 ---------- */
.pp-invert {
  margin-top: 26px;
  background: var(--invert);
  color: var(--invert-ink);
  padding: 22px 18px 24px;
  border: 1px solid var(--line);
}

.pp-figure--invert {
  margin: 0 0 20px !important;
}

.pp-figure--invert img {
  border-color: rgba(10, 26, 36, 0.24) !important;
  max-height: 260px;
  object-fit: cover;
}

.pp-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.pp-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--invert-ink);
}

.pp-table__cap {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #3f5b6b;
  padding-bottom: 10px;
}

.pp-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #3f5b6b;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(10, 26, 36, 0.4);
  white-space: nowrap;
}

.pp-table tbody th,
.pp-table tbody td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(10, 26, 36, 0.14);
  text-align: left;
  font-weight: 500;
}

.pp-table tbody th {
  font-weight: 600;
}

.pp-table .num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.pp-table tbody tr {
  transition: background var(--t-fast);
}

.pp-table tbody tr:hover {
  background: rgba(62, 224, 212, 0.22);
}

.pp-plus {
  color: #0b6a62;
  font-weight: 600;
}

.pp-table__total th,
.pp-table__total td {
  border-bottom: 0;
  border-top: 2px solid rgba(10, 26, 36, 0.32);
  font-weight: 700;
}

.pp-diffnotes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.pp-diffnotes li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.72;
  color: #16303d;
}

.pp-diffnotes .pp-mark {
  margin-top: 8px;
}

/* ---------- 场景 ---------- */
.pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.pp-scene {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--panel);
  padding: 18px;
}

.pp-scene__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.pp-scene h3 {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.pp-scene p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pp-scene__path {
  padding-top: 12px;
  border-top: 1px solid var(--pp-line-faint);
  color: var(--paper) !important;
}

/* ---------- 下一步 ---------- */
.pp-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.pp-next__card {
  display: block;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 20px 18px;
  text-decoration: none;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.pp-next__card:hover {
  border-color: var(--cyan);
  background: var(--layer);
}

.pp-next__card:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.pp-next__card h3 {
  margin: 12px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.pp-next__card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pp-next__go {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.pp-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: var(--measure);
}

.pp-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-line-soft);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.pp-more a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 误区 ---------- */
.pp-pitfalls {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.pp-pitfalls li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.pp-pitfalls__n {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.1em;
  padding-top: 3px;
  flex: none;
}

.pp-pitfalls h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.pp-pitfalls p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pp-tail {
  margin: 26px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--amber-dim);
  background: rgba(138, 90, 22, 0.14);
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper);
  max-width: 46rem;
}

.pp-tail a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  transition: border-color var(--t-fast);
}

.pp-tail a:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 479px) {
  .pp-hero h1 {
    font-size: 26px;
  }

  .pp-step__ghost {
    font-size: 76px;
  }

  .page-products .filter-status {
    margin-left: 0;
    width: 100%;
  }

  .pp-invert {
    padding: 18px 12px 20px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .container {
    padding-inline: 32px;
  }

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

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

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

  .pp-pitfalls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .pp-pitfalls li:nth-child(3),
  .pp-pitfalls li:nth-child(4) {
    border-bottom: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .pp-hero {
    padding-top: 34px;
  }

  .pp-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 34px;
    align-items: start;
  }

  .pp-sec {
    padding: 56px 0;
  }

  .pp-lanes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .pp-lane--sticky {
    position: sticky;
    top: 24px;
  }

  .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

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

  .pp-pitfalls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .pp-invert {
    padding: 30px 32px 32px;
  }
}

@media (min-width: 1200px) {
  .page-products .container {
    padding-inline: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}
<<<END>>>