.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .ph-mono {
  font-family: var(--font-mono);
}

.page-products .ph-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--teal-800);
  margin: 10px 0 14px;
}

.page-products .ph-title--light {
  color: var(--paper);
}

.page-products .ph-text {
  font-size: 16px;
  line-height: 1.78;
  letter-spacing: 0.01em;
  color: #2c3a37;
  max-width: 68ch;
  margin: 0 0 18px;
}

.page-products .ph-text--light {
  color: rgba(250, 247, 240, 0.84);
}

/* ---------- 首屏拼贴 ---------- */
.page-products .ph-hero {
  display: grid;
  gap: 22px;
  padding-top: clamp(24px, 4vw, 52px);
}

.page-products .ph-hero-main {
  position: relative;
  background: linear-gradient(150deg, var(--teal-700) 0%, var(--teal-900) 62%, var(--teal-950) 100%);
  color: var(--paper);
  padding: clamp(24px, 3.6vw, 48px) clamp(22px, 3.2vw, 44px) clamp(32px, 4.4vw, 56px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .ph-hero-main::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 300px;
  height: 300px;
  border: 1px dashed rgba(216, 162, 74, 0.45);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .ph-hero-main .eyebrow {
  color: var(--sand);
  margin: 0;
}

.page-products .ph-h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-products .ph-lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(250, 247, 240, 0.86);
  max-width: 46ch;
  margin: 0 0 24px;
}

.page-products .ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 2;
}

.page-products .ph-hero-main .btn--ghost {
  color: var(--paper);
  border-color: rgba(250, 247, 240, 0.42);
}

.page-products .ph-hero-side {
  display: flex;
  flex-direction: column;
}

.page-products .ph-hero-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  flex: 1 1 auto;
  background: var(--teal-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .ph-hero-figure img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
}

.page-products .ph-hero-chip {
  margin: -30px clamp(8px, 2vw, 24px) 0;
  position: relative;
  z-index: 2;
  background: var(--sand-wash);
  border-left: 3px solid var(--sand);
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--teal-900);
}

/* ---------- 规模带 ---------- */
.page-products .ph-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .ph-stat {
  background: var(--paper);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .ph-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--teal-800);
}

.page-products .ph-stat-label {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--stone);
}

/* ---------- 页内导览 ---------- */
.page-products .ph-jump {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .ph-jump-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .ph-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13.5px;
  color: var(--teal-800);
  border: 1px solid var(--hair);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .ph-jump-link:hover,
.page-products .ph-jump-link:focus-visible {
  background: var(--sand-wash);
  border-color: var(--sand);
  color: var(--teal-900);
}

.page-products .ph-jump-n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal-600);
}

/* ---------- 通用章节 ---------- */
.page-products .ph-section {
  padding-block: clamp(40px, 6vw, 84px);
}

.page-products .ph-section--wash {
  background: var(--sand-wash);
}

.page-products .ph-head {
  max-width: 70ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

/* ---------- 四类权益分段切换 ---------- */
.page-products .ph-tabs {
  margin-top: 8px;
}

.page-products .ph-tabs .tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .ph-tabs .tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--teal-800);
  background: transparent;
  border: 1px solid var(--hair);
  padding: 12px 18px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .ph-tabs .tab:hover {
  background: var(--sand-wash);
}

.page-products .ph-tabs .tab[aria-selected="true"] {
  background: var(--teal-800);
  border-color: var(--teal-800);
  color: var(--paper);
}

.page-products .ph-tabs .tab[aria-selected="true"]:hover {
  background: var(--teal-700);
}

.page-products .ph-tab-n {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.82;
}

.page-products .ph-tab-c {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal-600);
}

.page-products .ph-tabs .tab[aria-selected="true"] .ph-tab-c {
  color: var(--sand-soft);
}

.page-products .ph-tabs .tabpanel {
  padding-top: 24px;
  margin-top: 14px;
  border-top: 2px solid var(--teal-800);
}

.page-products .ph-eq {
  display: grid;
  gap: 16px;
}

.page-products .ph-eq-lead {
  font-size: 17px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--teal-800);
  margin: 0;
}

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

.page-products .ph-eq-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: #2c3a37;
}

.page-products .ph-eq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background: var(--sand);
}

.page-products .ph-eq-zone {
  font-size: 12.5px;
  color: var(--stone);
  margin: 0;
  border-top: 1px dashed var(--hair);
  padding-top: 10px;
}

.page-products .ph-eq-zone .ph-mono {
  color: var(--dusk);
  margin-right: 6px;
}

/* ---------- 服务清单 ---------- */
.page-products .ph-band-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  overflow: hidden;
  background: var(--sand-wash);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

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

.page-products .ph-svc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-products .ph-svc-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc"
    ". zone";
  gap: 4px 14px;
  padding: 16px 14px 16px 10px;
  border-bottom: 1px solid var(--hair);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .ph-svc-row:hover {
  background: var(--sand-wash);
  padding-left: 18px;
}

.page-products .ph-svc-no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal-600);
  padding-top: 3px;
}

.page-products .ph-svc-name {
  grid-area: name;
  font-size: 16px;
  font-weight: 600;
  color: var(--teal-800);
}

.page-products .ph-svc-desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.65;
  color: #4a5a56;
}

.page-products .ph-svc-zone {
  grid-area: zone;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--stone);
  transition: color var(--dur) var(--ease);
}

.page-products .ph-svc-row:hover .ph-svc-zone {
  color: var(--teal-700);
}

/* ---------- 资料库 ---------- */
.page-products .ph-lib-grid {
  display: grid;
  gap: 26px;
}

.page-products .ph-lib-figure {
  margin: 0;
  overflow: hidden;
  background: var(--teal-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

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

.page-products .ph-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: ph-step;
}

.page-products .ph-steps li {
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.7;
  color: #2c3a37;
}

.page-products .ph-steps li::before {
  counter-increment: ph-step;
  content: counter(ph-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--teal-900);
  background: var(--sand-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.page-products .ph-details {
  border-top: 1px solid rgba(91, 74, 122, 0.28);
}

.page-products .ph-details:last-of-type {
  border-bottom: 1px solid rgba(91, 74, 122, 0.28);
}

.page-products .ph-details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--teal-900);
}

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

.page-products .ph-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--dusk);
}

.page-products .ph-details[open] summary::after {
  content: "–";
}

.page-products .ph-doc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-products .ph-doc-list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: #3c4b48;
}

.page-products .ph-doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--dusk);
}

/* ---------- 面板入口带 ---------- */
.page-products .ph-entry {
  display: grid;
  background: var(--teal-900);
  color: var(--paper);
  margin-block: clamp(8px, 2vw, 16px);
}

.page-products .ph-entry-figure {
  margin: 0;
  overflow: hidden;
  min-height: 200px;
  background: var(--teal-950);
}

.page-products .ph-entry-figure img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
  opacity: 0.92;
}

.page-products .ph-entry-body {
  padding: clamp(24px, 4vw, 56px) clamp(20px, 4vw, 56px);
}

.page-products .ph-entry-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
  margin: 0 0 6px;
}

.page-products .ph-entry-body .btn {
  margin-top: 8px;
}

/* ---------- 编号规则 ---------- */
.page-products .ph-code-grid {
  display: grid;
  gap: 26px;
}

.page-products .ph-code-svg {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 22px;
}

.page-products .ph-code-box1 {
  fill: var(--teal-800);
}

.page-products .ph-code-box2 {
  fill: var(--sand);
}

.page-products .ph-code-box3 {
  fill: var(--dusk);
}

.page-products .ph-code-txt {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  fill: var(--paper);
}

.page-products .ph-code-box2 + .ph-code-txt {
  fill: var(--teal-900);
}

.page-products .ph-code-cap {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--stone);
}

.page-products .ph-code-line {
  stroke: var(--sand);
  stroke-width: 2;
  stroke-dasharray: 7 7;
}

.page-products .ph-code-examples {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ph-code-ex {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--sand-wash);
  border-left: 3px solid var(--teal-800);
}

.page-products .ph-code-ex:nth-child(2) {
  border-left-color: var(--sand);
}

.page-products .ph-code-ex:nth-child(3) {
  border-left-color: var(--dusk);
}

.page-products .ph-code-full {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--teal-900);
}

.page-products .ph-code-meaning {
  font-size: 13px;
  line-height: 1.6;
  color: #4a5a56;
}

.page-products .ph-code-figure {
  margin: 0;
}

.page-products .ph-code-figure img {
  width: 100%;
  height: auto;
  display: block;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .ph-code-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 适合谁 ---------- */
.page-products .ph-fit-grid {
  display: grid;
  gap: 14px;
}

.page-products .ph-fit {
  background: var(--paper);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .ph-fit-role {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-products .ph-fit-h {
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--teal-900);
  margin: 0;
}

.page-products .ph-fit-p {
  font-size: 14px;
  line-height: 1.68;
  color: #41514d;
  margin: 0 0 10px;
}

.page-products .ph-fit-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal-600);
}

/* ---------- 开始使用 ---------- */
.page-products .ph-start-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .ph-start-item {
  border-top: 2px solid var(--sand);
  padding-top: 14px;
}

.page-products .ph-start-n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-products .ph-start-h {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--teal-800);
  margin: 6px 0;
}

.page-products .ph-start-p {
  font-size: 13.5px;
  line-height: 1.66;
  color: #41514d;
  margin: 0;
}

.page-products .ph-start-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 收尾带状 ---------- */
.page-products .ph-outro {
  background: var(--teal-900);
  color: var(--paper);
  padding-block: clamp(30px, 4vw, 52px);
}

.page-products .ph-outro-h {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--paper);
  margin: 0 0 16px;
}

.page-products .ph-outro-grid {
  display: grid;
  gap: 10px;
}

.page-products .ph-outro-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid rgba(250, 247, 240, 0.22);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .ph-outro-card:hover,
.page-products .ph-outro-card:focus-visible {
  background: rgba(216, 162, 74, 0.14);
  border-color: var(--sand);
}

.page-products .ph-outro-arrow {
  font-family: var(--font-mono);
  color: var(--sand);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .ph-fit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .ph-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .ph-eq {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 14px 40px;
  }

  .page-products .ph-eq-zone {
    grid-column: 1 / -1;
  }
}

@media (min-width: 800px) {
  .page-products .ph-start-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 880px) {
  .page-products .ph-entry {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

@media (min-width: 900px) {
  .page-products .ph-hero {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: clamp(20px, 2.6vw, 36px);
    align-items: stretch;
  }

  .page-products .ph-hero-figure {
    min-height: 100%;
  }

  .page-products .ph-hero-figure img {
    min-height: 100%;
  }

  .page-products .ph-svc-row {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.35fr) 172px;
    grid-template-areas: "no name desc zone";
    align-items: center;
    padding: 18px 12px;
  }

  .page-products .ph-svc-zone {
    text-align: right;
  }

  .page-products .ph-lib-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(24px, 4vw, 52px);
    align-items: start;
  }

  .page-products .ph-code-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .ph-fit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ph-jump-link,
  .page-products .ph-svc-row,
  .page-products .ph-svc-zone,
  .page-products .ph-tabs .tab,
  .page-products .ph-outro-card {
    transition: none;
  }
}