/* ========== 页面级基础 ========== */
.page-products {
  background: var(--warm-bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}
.page-products .container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.page-products img {
  max-width: 100%;
  height: auto;
}

/* ========== 面包屑 ========== */
.page-products .breadcrumbs {
  padding-top: 1.25rem;
  padding-bottom: 0.5rem;
  font-size: 0.8125rem;
  color: var(--gray);
}
.page-products .breadcrumbs a {
  color: var(--teal);
  text-decoration: none;
}
.page-products .breadcrumbs a:hover {
  color: var(--teal-dark);
  text-decoration: underline;
}
.page-products .breadcrumbs__sep {
  margin: 0 0.5rem;
  color: var(--line);
}

/* ========== 章节标题 ========== */
.page-products .section-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.page-products .section-head .vert-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--apricot);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin-right: 0.25rem;
  line-height: 1.4;
}
.page-products .section-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 0;
}
.page-products .section-head--light h2 {
  color: var(--cream);
}
.page-products .section-head--light .vert-label {
  color: var(--apricot);
}

/* ========== 标签变体 ========== */
.page-products .tag {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  line-height: 1.6;
  display: inline-block;
}
.page-products .tag--solid {
  background: var(--apricot);
  color: #fff;
  border-color: var(--apricot);
}
.page-products .tag--plain {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--line);
}
.page-products .tag--teal {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

/* ========== 首屏 hero ========== */
.page-products .products-hero {
  position: relative;
  padding: 2.25rem 0 1.5rem;
  background: linear-gradient(145deg, var(--apricot-light) 0%, var(--warm-bg) 46%, var(--cream) 100%);
}
.page-products .products-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}
.page-products .products-hero__eyebrow {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--apricot-dark);
  text-transform: uppercase;
  margin: 0 0 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-products .products-hero__eyebrow::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background: var(--apricot);
  display: block;
}
.page-products .products-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.6vw, 2.875rem);
  line-height: 1.18;
  margin: 0 0 1.125rem;
}
.page-products .products-hero h1 .products-hero__em {
  color: var(--apricot-dark);
}
.page-products .products-hero__lead {
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.8;
  max-width: 36rem;
  margin: 0 0 1.25rem;
}
.page-products .products-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.page-products .products-hero__visual {
  position: relative;
}
.page-products .products-hero__img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.page-products .products-hero__index {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}
.page-products .products-hero__index-link {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .products-hero__index-link:hover {
  color: var(--apricot-dark);
  text-decoration: underline;
}

/* ========== 01 服务总览 ========== */
.page-products .service-overview {
  padding: 3rem 0;
}
.page-products .skill-map {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 0.5rem 0 1.5rem;
}
.page-products .skill-map__core {
  align-self: flex-start;
  background: var(--apricot);
  color: #fff;
  border-radius: 20px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
}
.page-products .skill-map__glyph {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.375rem;
}
.page-products .skill-map__core-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.page-products .skill-map__core-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.2;
}
.page-products .skill-map__core-desc {
  font-size: 0.75rem;
  opacity: 0.85;
  line-height: 1.3;
}
.page-products .skill-map__stem {
  display: none;
}
.page-products .skill-map__list {
  list-style: none;
  margin: 0;
  padding: 1.5rem 0 0 1.25rem;
  border-left: 2px solid var(--apricot);
  display: grid;
  gap: 0.875rem;
}
.page-products .skill-map__item {
  position: relative;
}
.page-products .skill-map__item::before {
  content: "";
  position: absolute;
  left: -1.25rem;
  top: 50%;
  width: 1.25rem;
  height: 2px;
  background: var(--apricot);
}
.page-products .skill-map__node {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 3px solid var(--apricot);
  border-radius: 14px;
  padding: 0.875rem 1rem;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.page-products .skill-map__node:hover,
.page-products .skill-map__node:focus-visible {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  outline: 2px solid var(--apricot);
  outline-offset: 2px;
}
.page-products .skill-map__num {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--apricot);
  font-size: 0.8125rem;
}
.page-products .skill-map__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
}
.page-products .skill-map__meta {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--gray);
  text-align: right;
  line-height: 1.4;
}

/* ========== 服务总览：左右不对称栅格 ========== */
.page-products .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2.25rem;
}
.page-products .overview-index {
  background: var(--apricot-light);
  padding: 1.5rem;
  border-radius: 18px;
  border-left: 4px solid var(--apricot);
}
.page-products .overview-index__cap {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--apricot-dark);
  text-transform: uppercase;
}
.page-products .overview-index__list {
  list-style: none;
  margin: 1.125rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
  counter-reset: idx;
}
.page-products .overview-index__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  counter-increment: idx;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
}
.page-products .overview-index__item::before {
  content: counter(idx, decimal-leading-zero);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--apricot);
}
.page-products .overview-detail {
  display: grid;
  gap: 1rem;
}
.page-products .overview-detail__item {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.375rem;
  box-shadow: var(--shadow-sm);
}
.page-products .overview-detail__item h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
}
.page-products .overview-detail__item p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.75;
  margin: 0 0 1rem;
}
.page-products .overview-detail__item .btn {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  border-radius: 999px;
}

/* ========== 02 版本进化（深色区） ========== */
.page-products .version-evolution {
  background: var(--ink);
  color: var(--cream);
  margin-top: 2rem;
  padding: 3rem 0 0;
}
.page-products .version-evolution .container {
  padding-bottom: 0;
}
.page-products .version-evolution__img {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 1.5rem auto 0;
  border: 1px solid rgba(255, 253, 248, 0.22);
  border-radius: 18px;
}
.page-products .version-ladder {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-products .version-ladder__item {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.page-products .version-ladder__item--current {
  border: 2px solid var(--apricot);
  box-shadow: var(--shadow-md);
}
.page-products .version-ladder__no {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--apricot-dark);
  background: var(--apricot-light);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 0.75rem;
}
.page-products .version-ladder__item--current .version-ladder__no {
  background: var(--apricot);
  color: #fff;
}
.page-products .version-ladder__item h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
}
.page-products .version-ladder__item p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.7;
  margin: 0 0 0.75rem;
}
.page-products .version-ladder__item ul {
  margin: 0;
  padding-left: 1.125rem;
  font-size: 0.8125rem;
  color: var(--gray);
  line-height: 1.7;
}

/* ========== 20 条新增清单 ========== */
.page-products .added-grid {
  margin-top: 2.5rem;
  padding: 1.75rem 1.25rem 1.25rem;
  background: rgba(255, 253, 248, 0.06);
  border: 1px solid rgba(255, 253, 248, 0.12);
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-products .added-grid__title {
  grid-column: 1 / -1;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--cream);
  margin: 0 0 0.5rem;
}
.page-products .added-group {
  background: var(--cream);
  border-radius: 14px;
  padding: 1.25rem;
}
.page-products .added-group h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--apricot-dark);
  margin: 0 0 0.625rem;
}
.page-products .added-group ul {
  margin: 0;
  padding-left: 1.125rem;
  font-size: 0.8125rem;
  color: var(--gray);
  line-height: 1.8;
}

/* ========== 03 测试版参与指南 ========== */
.page-products .beta-guide {
  padding: 3.25rem 0;
}
.page-products .beta-guide__inner {
  display: grid;
  gap: 1.75rem;
}
.page-products .beta-guide__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}
.page-products .beta-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-products .beta-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.page-products .beta-step__no {
  flex: 0 0 2.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--apricot);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--apricot-light);
}
.page-products .beta-step__body h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}
.page-products .beta-step__body p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.7;
  margin: 0;
}
.page-products .beta-guide__img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
}
.page-products .beta-note {
  background: var(--apricot-light);
  border-left: 4px solid var(--apricot);
  border-radius: 0 16px 16px 0;
  padding: 1.25rem;
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  flex-wrap: wrap;
}
.page-products .beta-note p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink);
  flex: 1 1 220px;
}

/* ========== 04 旧版对照机制 ========== */
.page-products .legacy-compare {
  background: var(--cream);
  padding: 3.25rem 0;
}
.page-products .legacy-compare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}
.page-products .legacy-compare__text p {
  font-size: 0.9375rem;
  color: var(--gray);
  line-height: 1.8;
  margin: 0 0 1.25rem;
}
.page-products .legacy-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.page-products .legacy-flow li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--warm-bg);
  border-radius: 12px;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--ink);
  line-height: 1.5;
}
.page-products .legacy-flow span {
  flex: 0 0 1.5rem;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  border-radius: 50%;
}
.page-products .legacy-compare__img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.page-products .legacy-compare__scope {
  margin-top: 0.875rem;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--teal-dark);
  letter-spacing: 0.04em;
}

/* ========== 05 反馈栏集成 ========== */
.page-products .feedback-integration {
  background: var(--apricot-light);
  padding: 3.25rem 0;
}
.page-products .feedback-integration__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}
.page-products .feedback-integration__visual {
  display: flex;
  justify-content: center;
}
.page-products .feedback-integration__img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 24px;
  border: 2px dashed var(--apricot);
  padding: 0.375rem;
  background: var(--cream);
  object-fit: cover;
}
.page-products .feedback-integration__content > p {
  font-size: 0.9375rem;
  color: var(--ink);
  line-height: 1.8;
  margin: 0 0 1.5rem;
}
.page-products .feedback-timeline {
  display: grid;
  gap: 0.875rem;
}
.page-products .feedback-timeline__item {
  position: relative;
  display: flex;
  gap: 1rem;
  padding-left: 0.25rem;
}
.page-products .feedback-timeline__item::before {
  content: "";
  position: absolute;
  left: 0.625rem;
  top: 1.75rem;
  bottom: -1.125rem;
  width: 2px;
  background: rgba(232, 106, 51, 0.32);
}
.page-products .feedback-timeline__item:last-child::before {
  display: none;
}
.page-products .feedback-timeline__dot {
  flex: 0 0 1.25rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--apricot);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--apricot);
  margin-top: 0.3125rem;
}
.page-products .feedback-timeline__item strong {
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .feedback-timeline__item p {
  font-size: 0.8125rem;
  color: var(--gray);
  margin: 0.125rem 0 0;
  line-height: 1.55;
}

/* ========== 下一步链接 ========== */
.page-products .solution-next {
  background: var(--warm-bg);
  padding: 3.25rem 0;
}
.page-products .solution-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-products .solution-next__card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 4px solid var(--apricot);
  border-radius: 16px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.page-products .solution-next__card:hover,
.page-products .solution-next__card:focus-visible {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  outline: 2px solid var(--apricot);
  outline-offset: 2px;
}
.page-products .solution-next__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
}
.page-products .solution-next__desc {
  font-size: 0.8125rem;
  color: var(--gray);
  line-height: 1.55;
  word-break: break-word;
}

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

/* ========== 响应式：桌面窄 ========== */
@media (min-width: 768px) {
  .page-products .version-ladder {
    grid-template-columns: repeat(4, 1fr);
    align-items: end;
    gap: 1.25rem;
  }
  .page-products .version-ladder__item:nth-child(1) {
    transform: translateY(2.5rem);
  }
  .page-products .version-ladder__item:nth-child(2) {
    transform: translateY(1.25rem);
  }
  .page-products .version-ladder__item:nth-child(3) {
    transform: translateY(0.625rem);
  }
  .page-products .version-ladder__item:nth-child(4) {
    transform: translateY(0);
  }
  .page-products .version-ladder__item:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -1.125rem;
    top: 50%;
    color: var(--apricot);
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.125rem;
    z-index: 2;
  }
}

/* ========== 响应式：桌面 ========== */
@media (min-width: 900px) {
  .page-products .overview-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
  }
  .page-products .beta-guide__steps {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
  }
  .page-products .legacy-compare__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
  }
  .page-products .feedback-integration__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 2.5rem;
  }
}

/* ========== 响应式：宽桌面 ========== */
@media (min-width: 1024px) {
  .page-products .products-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
  .page-products .products-hero__index {
    justify-content: flex-end;
  }

  /* 技能树横向展开 */
  .page-products .skill-map {
    flex-direction: row;
    align-items: center;
    gap: 0;
  }
  .page-products .skill-map__stem {
    display: block;
    width: 56px;
    height: 2px;
    background: var(--apricot);
    position: relative;
    z-index: 1;
  }
  .page-products .skill-map__list {
    flex: 1;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    padding: 0;
    border-left: none;
  }
  .page-products .skill-map__item::before {
    left: 50%;
    top: -1rem;
    width: 2px;
    height: 1rem;
  }
  .page-products .skill-map__item:first-child::before {
    left: 12%;
  }
  .page-products .skill-map__item:last-child::before {
    left: auto;
    right: 12%;
  }
  .page-products .skill-map__node {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    min-height: 116px;
    justify-content: center;
  }
  .page-products .skill-map__meta {
    margin-left: 0;
    text-align: left;
  }
  .page-products .skill-map__meta::before {
    content: "· ";
    color: var(--apricot);
    font-weight: 700;
  }

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