.page-products {
  --pp-panel: rgba(22, 38, 79, 0.66);
  --pp-hair: rgba(74, 90, 128, 0.42);
  --pp-cyan-soft: rgba(53, 230, 210, 0.26);
  --pp-amber-soft: rgba(255, 179, 71, 0.3);
  --pp-paper-line: rgba(16, 20, 24, 0.16);
  position: relative;
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-products .offer-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.8rem, 4.5vw, 3.2rem) 0 clamp(2.6rem, 6vw, 4.6rem);
  border-bottom: 2px solid var(--ink-700);
  background:
    radial-gradient(115% 88% at 90% -6%, rgba(138, 107, 255, 0.26), transparent 62%),
    radial-gradient(78% 72% at 4% 104%, rgba(53, 230, 210, 0.16), transparent 60%),
    var(--ink-800);
}

.page-products .hero-plate {
  position: absolute;
  right: -8%;
  bottom: -28px;
  width: min(56vw, 640px);
  height: clamp(130px, 22vw, 250px);
  background: linear-gradient(118deg, rgba(53, 230, 210, 0.2), rgba(255, 179, 71, 0.12) 62%, transparent);
  clip-path: polygon(0 42%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .offer-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .offer-hero .breadcrumb {
  margin-bottom: 1.1rem;
}

.page-products .offer-hero h1 {
  margin: 0.7rem 0 0;
  max-width: 17ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 6.6vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .offer-hero__lead {
  margin: 1.35rem 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .offer-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .offer-hero__jump a {
  display: inline-block;
  padding: 0.42rem 0.85rem;
  border: 1px solid rgba(53, 230, 210, 0.5);
  color: var(--cyan);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .offer-hero__jump a:hover,
.page-products .offer-hero__jump a:focus-visible {
  background: var(--cyan);
  color: var(--ink-900);
  transform: translate(2px, -2px);
}

/* ---------- 通用区块节奏 ---------- */
.page-products .section {
  padding: clamp(2.8rem, 6vw, 5.2rem) 0;
}

.page-products .svc__head h2,
.page-products .screen h2,
.page-products .pkg h2,
.page-products .path h2,
.page-products .check h2,
.page-products .scene h2 {
  margin: 0.55rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.3vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 30ch;
}

.page-products .svc__head h2,
.page-products .screen h2,
.page-products .pkg h2,
.page-products .path h2,
.page-products .scene h2 {
  color: var(--paper);
}

.page-products .check h2 {
  color: var(--paper-ink);
}

.page-products .svc__head {
  display: grid;
  gap: 0.9rem;
}

.page-products .svc__note {
  margin: 0;
  max-width: 60ch;
  color: var(--mist);
  line-height: 1.8;
}

/* ---------- 01 服务总览 ---------- */
.page-products .svc__materials {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-top: clamp(1.6rem, 3.6vw, 2.6rem);
}

.page-products .svc-mat {
  position: relative;
  padding: 1.3rem 1.15rem 1.4rem;
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(22, 38, 79, 0.9), rgba(11, 22, 51, 0.15));
}

.page-products .svc-mat__no {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .svc-mat h3 {
  margin: 0.5rem 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-products .svc-mat p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .svc__support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
  border-top: 1px solid var(--pp-hair);
}

.page-products .svc-sup {
  padding: 1.1rem 0 1.1rem 1.05rem;
  border-left: 2px solid var(--pp-amber-soft);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .svc-sup h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--amber);
}

.page-products .svc-sup p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 02 大屏重排 ---------- */
.page-products .screen__lead,
.page-products .path__lead,
.page-products .check__lead {
  margin: 1rem 0 0;
  max-width: 62ch;
  line-height: 1.85;
}

.page-products .screen__lead,
.page-products .path__lead {
  color: var(--mist);
}

.page-products .check__lead {
  color: rgba(16, 20, 24, 0.78);
}

.page-products .screen__shot {
  margin: clamp(1.6rem, 3.6vw, 2.4rem) 0 0;
}

.page-products .screen__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-top: clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-products .screen__col h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--paper);
}

.page-products .screen__col p {
  margin: 0;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .screen__heat {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  align-items: center;
}

.page-products .screen__heat-fig {
  margin: 0;
}

.page-products .screen__heat-body h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.3;
  color: var(--amber);
}

.page-products .screen__heat-body p {
  margin: 0 0 0.85rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .screen__heat-body p:last-child {
  margin-bottom: 0;
}

/* 尺寸刻度轴 */
.page-products .screen-axis {
  margin-top: clamp(2rem, 4.4vw, 3.2rem);
  border-top: 1px solid var(--pp-hair);
  padding-top: 1.4rem;
}

.page-products .screen-axis__head h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--paper);
}

.page-products .screen-axis__head p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--mist);
}

.page-products .screen-axis__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-hair);
}

.page-products .screen-axis__item {
  position: relative;
  padding: 1rem 0 1rem 1.1rem;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .screen-axis__item::before {
  content: "";
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--cyan);
}

.page-products .screen-axis__size {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 0.3rem;
}

.page-products .screen-axis__item p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 03 拼音安装包 ---------- */
.page-products .pkg__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-top: clamp(1.6rem, 3.6vw, 2.4rem);
}

.page-products .pkg__media {
  margin: 0;
}

.page-products .pkg__body h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--paper);
}

.page-products .pkg__body .pkg__sub {
  margin-top: 1.8rem;
}

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

.page-products .pkg__items li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--pp-hair);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pkg__key {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.1rem 0.45rem;
  background: rgba(53, 230, 210, 0.14);
  color: var(--cyan);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* 自查清单 */
.page-products .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-hair);
}

.page-products .checklist__item {
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .checklist__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .checklist__label {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.75rem;
  padding: 0.9rem 0;
  cursor: pointer;
}

.page-products .checklist__box {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border: 2px solid var(--slate);
  background: transparent;
  transition: border-color 140ms var(--ease), background 140ms var(--ease);
}

.page-products .checklist__input:checked + .checklist__label .checklist__box {
  border-color: var(--amber);
  background: rgba(255, 179, 71, 0.18);
}

.page-products .checklist__input:checked + .checklist__label .checklist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  transform: rotate(42deg);
}

.page-products .checklist__input:focus-visible + .checklist__label .checklist__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .checklist__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 0.25rem;
}

.page-products .checklist__text em {
  display: block;
  font-style: normal;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pkg__hint {
  margin: 1.3rem 0 0;
  padding: 0.75rem 0 0.75rem 0.9rem;
  border-left: 2px solid var(--amber);
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pkg__link {
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
  color: var(--slate);
}

.page-products .pkg__link a,
.page-products .check__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 服务路径 ---------- */
.page-products .path__banner {
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
}

.page-products .tree {
  position: relative;
  margin-top: clamp(2rem, 4.4vw, 3rem);
}

.page-products .tree__spine {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 21px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--pp-cyan-soft) 6%, var(--pp-cyan-soft) 94%, transparent);
}

.page-products .tree__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tree__node {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0.85rem;
  padding-bottom: 1.5rem;
}

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

.page-products .tree__marker {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 700;
  z-index: 1;
}

.page-products .tree__card {
  border: 1px solid var(--pp-hair);
  background: var(--pp-panel);
  padding: 0.85rem 1rem 1rem;
}

.page-products .tree__trigger {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  background: none;
  border: 0;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
}

.page-products .tree__label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-products .tree__card .disclosure__inner {
  padding-top: 0.6rem;
}

.page-products .tree__card .disclosure__inner p {
  margin: 0 0 0.6rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .tree__prep {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(255, 179, 71, 0.42);
  color: var(--amber) !important;
  font-size: 0.85rem !important;
  line-height: 1.6 !important;
}

/* ---------- 05 检验矩阵 ---------- */
.page-products .check {
  background-color: var(--paper);
  color: var(--paper-ink);
  position: relative;
}

.page-products .check::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pp-paper-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-paper-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  pointer-events: none;
}

.page-products .check > .container {
  position: relative;
  z-index: 1;
}

.page-products .check .eyebrow {
  color: rgba(16, 20, 24, 0.72);
}

.page-products .check__banner {
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
}

.page-products .check__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(1.6rem, 3.4vw, 2.4rem);
  border-top: 1px solid var(--pp-paper-line);
  border-left: 1px solid var(--pp-paper-line);
}

.page-products .check__item {
  border-right: 1px solid var(--pp-paper-line);
  border-bottom: 1px solid var(--pp-paper-line);
  background: rgba(255, 255, 255, 0.42);
}

.page-products .check__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 1rem 0.95rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper-ink);
  transition: background 140ms var(--ease);
}

.page-products .check__trigger:hover,
.page-products .check__trigger:focus-visible {
  background: rgba(53, 230, 210, 0.16);
}

.page-products .check__no {
  font-size: 0.82rem;
  font-weight: 700;
  color: #0d6b62;
  letter-spacing: 0.04em;
}

.page-products .check__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--paper-ink);
}

.page-products .check__item .disclosure__inner {
  padding: 0 0.95rem 1rem;
}

.page-products .check__item .disclosure__inner p {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(16, 20, 24, 0.8);
}

.page-products .check__item .disclosure__inner p:last-child {
  margin-bottom: 0;
}

.page-products .check__item .disclosure__inner strong {
  color: var(--paper-ink);
}

.page-products .check .disclosure__mark {
  border-color: var(--paper-ink);
  color: var(--paper-ink);
}

.page-products .check__foot {
  margin: 1.4rem 0 0;
  font-size: 0.92rem;
  color: rgba(16, 20, 24, 0.72);
}

.page-products .check__foot a {
  color: #0d6b62;
}

/* ---------- 06 适用场景 ---------- */
.page-products .scene__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(1.6rem, 3.4vw, 2.4rem);
  border-top: 1px solid var(--pp-hair);
}

.page-products .scene-item {
  padding: 1.15rem 0 1.15rem 1.1rem;
  border-left: 2px solid var(--pp-cyan-soft);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .scene-item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--paper);
}

.page-products .scene-item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .scene__cta {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 2px solid var(--cyan);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(140deg, rgba(53, 230, 210, 0.1), rgba(138, 107, 255, 0.1));
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.page-products .scene__cta p {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-products .scene__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .svc__materials {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .svc__support {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .svc-sup {
    padding: 1.1rem 1rem 1.2rem 1.05rem;
  }

  .page-products .screen__split {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .scene__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .check__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .screen__heat {
    grid-template-columns: 6fr 6fr;
    gap: clamp(1.5rem, 3vw, 2.6rem);
  }

  .page-products .pkg__grid {
    grid-template-columns: 6fr 6fr;
    gap: clamp(1.5rem, 3vw, 2.8rem);
    align-items: start;
  }

  .page-products .pkg__media {
    position: sticky;
    top: 6rem;
  }

  .page-products .tree__spine {
    left: 50%;
  }

  .page-products .tree__node {
    grid-template-columns: 1fr 96px 1fr;
    gap: 0;
    padding-bottom: 1.8rem;
    align-items: start;
  }

  .page-products .tree__node .tree__marker {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .page-products .tree__node .tree__card {
    grid-column: 3;
    grid-row: 1;
  }

  .page-products .tree__node:nth-child(odd) .tree__card {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .tree__node:nth-child(odd) .tree__marker {
    grid-column: 2;
  }

  .page-products .tree__node:nth-child(odd) .tree__trigger,
  .page-products .tree__node:nth-child(odd) .disclosure__inner {
    text-align: right;
  }

  .page-products .scene__list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .scene-item {
    border-bottom: 0;
    border-right: 1px solid var(--pp-hair);
    padding-right: 1.1rem;
  }

  .page-products .scene-item:last-child {
    border-right: 0;
  }

  .page-products .scene__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

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

  .page-products .check__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .screen-axis__list {
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--pp-hair);
  }

  .page-products .screen-axis__item {
    border-bottom: 0;
    border-right: 1px solid var(--pp-hair);
    padding-right: 1.1rem;
  }

  .page-products .screen-axis__item:last-child {
    border-right: 0;
  }
}

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

  .page-products .offer-hero__jump a:hover,
  .page-products .offer-hero__jump a:focus-visible {
    transform: none;
  }
}