.page-products .pp-crumbs {
  padding-top: clamp(14px, 2vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(12px, 2vw, 20px);
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(245, 244, 240, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 240, .06) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-products .pp-hero__cut {
  position: absolute;
  left: 30%;
  right: -14%;
  bottom: -42%;
  height: 104%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(142deg, rgba(161, 98, 7, .95), rgba(194, 65, 12, .34) 58%, rgba(30, 58, 138, 0) 100%);
  clip-path: polygon(16% 0, 100% 14%, 100% 100%, 0 100%);
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(42px, 7vw, 88px) clamp(38px, 6vw, 76px);
}

.page-products .pp-hero__eyebrow {
  color: #E9C46A;
  margin-bottom: 14px;
}

.page-products .pp-hero__title {
  margin: 0;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 18ch;
}

.page-products .pp-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: rgba(245, 244, 240, .84);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-products .pp-hero .btn--ghost,
.page-products .pp-cta .btn--ghost {
  color: var(--paper);
  border-color: var(--paper);
  box-shadow: 6px 6px 0 rgba(245, 244, 240, .24);
}

.page-products .pp-hero .btn--ghost:hover,
.page-products .pp-cta .btn--ghost:hover {
  color: var(--ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--autumn);
}

.page-products .pp-hero__panel {
  border: 2px solid rgba(245, 244, 240, .28);
  background: rgba(20, 22, 26, .58);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
}

.page-products .pp-hero__stats .stat__value {
  display: block;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1;
  color: var(--paper);
}

.page-products .pp-hero__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(245, 244, 240, .68);
}

/* ---------- 通用小节 ---------- */
.page-products .pp-head {
  max-width: 62ch;
}

.page-products .pp-subtitle {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

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

.page-products .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 3px;
  background: var(--autumn);
}

.page-products .pp-list strong {
  font-weight: 700;
}

/* ---------- 对照表 ---------- */
.page-products .pp-tier__figure {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pp-tablewrap {
  overflow-x: auto;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 880px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-right: var(--line-thin);
  border-bottom: var(--line-thin);
}

.page-products .pp-table thead th {
  background: var(--ink);
  color: var(--paper);
  border-right: 1px solid rgba(245, 244, 240, .2);
  border-bottom: none;
  white-space: nowrap;
}

.page-products .pp-table thead th:nth-child(2) { box-shadow: inset 0 -6px 0 var(--spring); }
.page-products .pp-table thead th:nth-child(3) { box-shadow: inset 0 -6px 0 var(--summer); }
.page-products .pp-table thead th:nth-child(4) { box-shadow: inset 0 -6px 0 var(--autumn); }

.page-products .pp-table tbody tr:nth-child(even) th,
.page-products .pp-table tbody tr:nth-child(even) td {
  background: var(--panel);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pp-table .pp-table__sticky {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 132px;
  font-weight: 700;
  background: var(--paper);
  box-shadow: 4px 0 0 rgba(20, 22, 26, .08);
}

.page-products .pp-table thead .pp-table__sticky {
  z-index: 3;
  background: var(--ink);
  box-shadow: none;
}

.page-products .pp-table tbody tr:nth-child(even) .pp-table__sticky {
  background: var(--panel);
}

/* ---------- 面积刻度 ---------- */
.page-products .pp-ruler {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: clamp(22px, 3vw, 36px);
  border: var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-area__lower {
  align-items: start;
}

.page-products .pp-area__figure {
  margin: 0;
}

/* ---------- 双栏区域 ---------- */
.page-products .pp-duo__grid {
  align-items: start;
}

.page-products .pp-duo__panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-duo__panel--spring { border-top: 10px solid var(--spring); }
.page-products .pp-duo__panel--winter { border-top: 10px solid var(--winter); }

.page-products .pp-duo__title {
  margin: 0;
  font-size: clamp(21px, 2.4vw, 29px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-products .pp-duo__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #2B2F36;
}

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

.page-products .pp-duo__tail a,
.page-products .pp-cta__note a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pp-duo__figure {
  margin: 0;
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink);
  border: var(--line);
}

.page-products .pp-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--hl);
}

.page-products .pp-fact__value {
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1;
  color: var(--spring);
}

.page-products .pp-fact__label {
  font-size: 13px;
  line-height: 1.55;
  color: #2B2F36;
}

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

.page-products .pp-channel li {
  padding: 14px 16px;
  background: var(--panel);
  border-left: 6px solid var(--winter);
}

.page-products .pp-channel p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #2B2F36;
}

/* ---------- 案例档案 ---------- */
.page-products .pp-cases__figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-products .pp-cases__filter {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .pp-case-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
}

.page-products .pp-case {
  --case-accent: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: var(--line);
  border-top: 8px solid var(--case-accent);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-case[data-tags~="spring"] { --case-accent: var(--spring); }
.page-products .pp-case[data-tags~="summer"] { --case-accent: var(--summer); }
.page-products .pp-case[data-tags~="autumn"] { --case-accent: var(--autumn); }
.page-products .pp-case[data-tags~="winter"] { --case-accent: var(--winter); }

.page-products .pp-case:hover,
.page-products .pp-case:focus-within {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.page-products .pp-case__num {
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--hl);
  border: var(--line);
}

.page-products .pp-case__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-products .pp-case__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #2B2F36;
}

.page-products .pp-case__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: var(--line-thin);
  display: grid;
  gap: 6px;
  font-size: 13px;
}

.page-products .pp-case__meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pp-case__meta dt {
  color: var(--muted);
}

.page-products .pp-case__meta dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
  font-weight: 500;
}

.page-products .filter-empty {
  margin: 24px 0 0;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 6px solid var(--alert);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 六步流程 ---------- */
.page-products .pp-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-step {
  --step-accent: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 18px;
  border-top: 6px solid var(--step-accent);
  border-bottom: var(--line-thin);
}

.page-products .pp-step:nth-child(1) { --step-accent: var(--spring); }
.page-products .pp-step:nth-child(2) { --step-accent: var(--summer); }
.page-products .pp-step:nth-child(3) { --step-accent: var(--autumn); }
.page-products .pp-step:nth-child(4) { --step-accent: var(--winter); }
.page-products .pp-step:nth-child(5) { --step-accent: var(--spring); }
.page-products .pp-step:nth-child(6) { --step-accent: var(--summer); }

.page-products .pp-step__num {
  font-size: 26px;
  line-height: 1;
  color: var(--muted);
}

.page-products .pp-step__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pp-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #2B2F36;
}

.page-products .pp-step__out {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: var(--line-thin);
}

.page-products .pp-flow__tail {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-flow__tail a {
  color: var(--spring);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  border-top: var(--line);
}

.page-products .pp-cta__inner {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  padding-block: clamp(38px, 6vw, 72px);
}

.page-products .pp-cta__eyebrow {
  color: rgba(245, 244, 240, .64);
  margin-bottom: 12px;
}

.page-products .pp-cta__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 24ch;
}

.page-products .pp-cta__note {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 244, 240, .78);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-steps .pp-step:nth-child(3) {
    border-right: none;
  }
}

@media (min-width: 940px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    align-items: end;
  }
  .page-products .pp-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-products .pp-cta__actions {
    justify-content: flex-end;
  }
  .page-products .pp-case:nth-child(3n + 2) {
    margin-top: 24px;
  }
  .page-products .pp-case:nth-child(3n + 3) {
    margin-top: 48px;
  }
}

@media (min-width: 1120px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .pp-step {
    border-bottom: none;
    border-right: var(--line-thin);
  }
  .page-products .pp-step:last-child {
    border-right: none;
  }
}

@media (max-width: 639px) {
  .page-products .pp-hero__title {
    max-width: none;
  }
  .page-products .pp-facts {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pp-case-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pp-ruler {
    min-width: 0;
  }
  .page-products .pp-table {
    min-width: 760px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-case {
    transition: none;
  }
  .page-products .pp-case:hover,
  .page-products .pp-case:focus-within {
    transform: none;
  }
}