/* ===== 项目中心 · page-products ===== */

.page-products {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-products .pn-hero {
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(15, 107, 122, 0.09), transparent 62%),
    var(--mist);
}

.page-products .pn-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 940px) {
  .page-products .pn-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-products .pn-hero__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-products .pn-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.85;
  color: var(--ink-80);
}

.page-products .pn-index {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

@media (min-width: 560px) {
  .page-products .pn-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pn-index a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.05rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .pn-index a:hover,
.page-products .pn-index a:focus-visible {
  background: var(--haze);
  border-color: rgba(15, 107, 122, 0.35);
  transform: translateX(3px);
}

.page-products .pn-index__num {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--sand-deep);
}

.page-products .pn-return {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
}

.page-products .pn-return a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--sand);
  text-decoration-thickness: 2px;
}

.page-products .pn-return a:hover {
  color: var(--sand-deep);
}

/* 档案堆叠 */
.page-products .pn-stack {
  position: relative;
  padding: 1.1rem 1.15rem 1.4rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: var(--white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .pn-stack::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--teal) 0 38%, var(--teal-soft) 38% 62%, var(--sand) 62% 100%);
}

.page-products .pn-stack__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.5rem 0 0.85rem;
  border-bottom: 1px dashed var(--hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-60);
}

.page-products .pn-stack__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pn-sheet {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.35rem 0.8rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--mist);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink);
}

@media (min-width: 480px) {
  .page-products .pn-sheet {
    grid-template-columns: auto 1fr auto;
  }
  .page-products .pn-sheet--2 {
    margin-left: 1rem;
  }
  .page-products .pn-sheet--3 {
    margin-left: 2rem;
  }
}

.page-products .pn-sheet--1 {
  background: rgba(15, 107, 122, 0.08);
  border-color: rgba(15, 107, 122, 0.3);
}

.page-products .pn-sheet__num {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--sand-deep);
}

.page-products .pn-sheet__meta {
  grid-column: 1 / -1;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-60);
}

@media (min-width: 480px) {
  .page-products .pn-sheet__meta {
    grid-column: auto;
  }
}

/* ---------- 通用小节元素 ---------- */
.page-products .pn-intro {
  max-width: 62ch;
  margin: 0.65rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-80);
}

.page-products .pn-banner {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  overflow: hidden;
}

.page-products .pn-banner img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .pn-figure {
  display: block;
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  object-fit: cover;
}

/* ---------- 服务能力 ---------- */
.page-products .pn-cap-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 620px) {
  .page-products .pn-cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pn-cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pn-cap {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.3rem 1.35rem 1.15rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--white);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-products .pn-cap:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(15, 107, 122, 0.3);
}

.page-products .pn-cap__num {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--flag);
}

.page-products .pn-cap h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pn-cap p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ink-80);
}

.page-products .pn-cap__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 0.7rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .pn-cap__link:hover,
.page-products .pn-cap__link:focus-visible {
  color: var(--teal-deep);
  border-bottom-color: var(--sand);
}

/* ---------- 分栏 ---------- */
.page-products .pn-split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

@media (min-width: 960px) {
  .page-products .pn-split {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 4.5fr);
    align-items: start;
  }
  .page-products .pn-split--flip {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 7.5fr);
  }
}

/* ---------- 标签页 ---------- */
.page-products .pn-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: clamp(1.25rem, 2.5vw, 1.6rem) 0 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--hair);
}

.page-products .pn-tab {
  appearance: none;
  padding: 0.58rem 1rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  background: var(--white);
  color: var(--ink-80);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.86rem;
  line-height: 1.25;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pn-tab:hover {
  border-color: rgba(15, 107, 122, 0.4);
}

.page-products .pn-tab[aria-selected="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.page-products .pn-tab:focus-visible {
  outline: 3px solid var(--sand);
  outline-offset: 2px;
}

.page-products .pn-panel[hidden] {
  display: none;
}

/* ---------- 版本对照 ---------- */
.page-products .pn-compare {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .page-products .pn-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pn-compare__side {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--white);
}

.page-products .pn-compare__side--after {
  background: rgba(15, 107, 122, 0.06);
  border-color: rgba(15, 107, 122, 0.32);
}

.page-products .pn-compare__label {
  display: block;
  margin-bottom: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-60);
}

.page-products .pn-diff {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pn-diff li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-80);
}

.page-products .pn-diff li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray);
}

.page-products .pn-compare__side--after .pn-diff li::before {
  background: var(--sand);
}

/* ---------- 侧栏卡 ---------- */
.page-products .pn-sidecard {
  margin-top: 1rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--r-md);
  background: var(--haze);
}

.page-products .pn-sidecard h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pn-sidecard__note {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-60);
}

.page-products .pn-cond {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .pn-cond li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.7rem;
  align-items: baseline;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(12, 27, 32, 0.14);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-80);
}

.page-products .pn-cond li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pn-cond .mono {
  min-width: 4.6em;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
}

/* ---------- 记录流 ---------- */
.page-products .pn-rec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pn-rec {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--white);
}

.page-products .pn-rec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-60);
}

.page-products .pn-rec h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .pn-rec p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-60);
}

.page-products .pn-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.14rem 0.55rem;
  border-radius: var(--r-pill);
  background: rgba(15, 107, 122, 0.1);
  color: var(--teal-deep);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.page-products .pn-tag--sand {
  background: rgba(226, 122, 63, 0.16);
  color: var(--sand-deep);
}

/* ---------- 下载中心 ---------- */
.page-products .pn-dl-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

@media (min-width: 760px) {
  .page-products .pn-dl-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pn-dl {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.35rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: var(--white);
}

.page-products .pn-dl__ver {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--sand-deep);
}

.page-products .pn-dl h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pn-dl p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-80);
}

.page-products .pn-dl__note {
  font-size: 0.85rem;
  color: var(--ink-60);
}

.page-products .pn-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  margin-top: auto;
  padding: 0.32rem 0.8rem;
  border-radius: var(--r-pill);
  background: rgba(15, 107, 122, 0.1);
  color: var(--teal-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.page-products .pn-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-products .pn-status--sand {
  background: rgba(226, 122, 63, 0.16);
  color: var(--sand-deep);
}

.page-products .pn-status--sand::before {
  background: var(--sand);
}

.page-products .pn-dl-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--hair);
}

.page-products .pn-dl-foot p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-60);
}

/* ---------- 场景 ---------- */
.page-products .pn-scene {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

@media (min-width: 880px) {
  .page-products .pn-scene {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

.page-products .pn-scene__media img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
}

.page-products .pn-scene__list {
  list-style: none;
  counter-reset: scene;
  margin: clamp(1.25rem, 2.5vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .pn-scene__item {
  counter-increment: scene;
  position: relative;
  padding-left: 2.6rem;
}

.page-products .pn-scene__item::before {
  content: counter(scene, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 1px solid rgba(226, 122, 63, 0.45);
  background: rgba(226, 122, 63, 0.12);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--sand-deep);
}

.page-products .pn-scene__item h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pn-scene__item p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink-80);
}

/* ---------- 流程 ---------- */
.page-products .pn-steps {
  list-style: none;
  counter-reset: step;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 860px) {
  .page-products .pn-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pn-step {
  counter-increment: step;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.25rem 1.15rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--white);
}

.page-products .pn-step::before {
  content: "0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-products .pn-step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pn-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-80);
}

.page-products .pn-step__link {
  margin-top: auto;
  padding-top: 0.5rem;
  align-self: flex-start;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-products .pn-step__link:hover,
.page-products .pn-step__link:focus-visible {
  border-bottom-color: var(--sand);
  color: var(--teal-deep);
}

/* ---------- 移动端状态带 ---------- */
.page-products .pn-band {
  padding: clamp(1.6rem, 4vw, 2.75rem);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--teal-deep), var(--ink));
  color: var(--mist);
}

.page-products .pn-band__eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--teal-soft);
}

.page-products .pn-band__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pn-band__text {
  margin: 0;
  max-width: 66ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(245, 248, 248, 0.82);
}

.page-products .pn-band__list {
  list-style: none;
  margin: 1.4rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

@media (min-width: 760px) {
  .page-products .pn-band__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

.page-products .pn-band__list li {
  position: relative;
  padding: 0.85rem 1rem 0.85rem 1.9rem;
  border-radius: var(--r-sm);
  background: rgba(245, 248, 248, 0.08);
  border: 1px solid rgba(245, 248, 248, 0.16);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(245, 248, 248, 0.9);
}

.page-products .pn-band__list li::before {
  content: "";
  position: absolute;
  left: 0.95rem;
  top: 1.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sand);
}

/* ---------- 折叠问答 ---------- */
.page-products .pn-faq {
  display: grid;
  gap: 0.7rem;
  margin-top: clamp(1.4rem, 3vw, 1.9rem);
}

.page-products .pn-faq details {
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: var(--white);
}

.page-products .pn-faq summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.95rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.97rem;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-products .pn-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--sand-deep);
}

.page-products .pn-faq details[open] summary::after {
  content: "−";
}

.page-products .pn-faq summary:focus-visible {
  outline: 3px solid var(--sand);
  outline-offset: -3px;
  border-radius: var(--r-md);
}

.page-products .pn-faq__body {
  padding: 0 1.15rem 1rem;
}

.page-products .pn-faq__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-80);
}

.page-products .pn-more {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
}

.page-products .pn-more a {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid var(--sand);
  padding-bottom: 2px;
}

.page-products .pn-more a:hover {
  color: var(--teal-deep);
}

/* ---------- 收尾 ---------- */
.page-products .pn-cta {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.6rem, 4vw, 2.75rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  background: var(--white);
  box-shadow: var(--shadow-card);
}

@media (min-width: 860px) {
  .page-products .pn-cta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

.page-products .pn-cta h2 {
  margin: 0 0 0.7rem;
}

.page-products .pn-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-80);
}

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

@media (min-width: 860px) {
  .page-products .pn-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pn-cap,
  .page-products .pn-index a,
  .page-products .pn-tab {
    transition: none;
  }
  .page-products .pn-cap:hover,
  .page-products .pn-index a:hover,
  .page-products .pn-index a:focus-visible {
    transform: none;
  }
}
<<<END>>>
```