/* ============================================
   下载中心 /download/ —— 页面专属样式
   作用域：.page-products
   ============================================ */

.page-products {
  --pd-gap: clamp(16px, 2.2vw, 26px);
  --pd-hair: rgba(11, 42, 74, .14);
  --pd-hair-dark: rgba(168, 233, 220, .24);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-products .pd-block {
  padding-block: clamp(48px, 7vw, 94px);
}

/* ---------- 展览标签（页面内统一规格） ---------- */
.page-products .exhibit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.page-products .exhibit__index {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--deep);
  background: var(--mint);
}

.page-products .exhibit__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 74px));
  padding-bottom: clamp(42px, 7vw, 92px);
  background:
    radial-gradient(140% 90% at 88% 4%, rgba(47, 212, 180, .22), transparent 60%),
    radial-gradient(90% 70% at 4% 98%, rgba(255, 106, 26, .18), transparent 64%),
    linear-gradient(164deg, var(--deep) 0%, var(--blue) 62%, #0d3560 100%);
  color: var(--white);
}

.page-products .pd-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255, 255, 255, .58);
}

.page-products .pd-hero .breadcrumb a {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
}

.page-products .pd-hero .breadcrumb a:hover {
  color: var(--mint);
}

.page-products .pd-hero .exhibit__index {
  color: var(--deep);
  background: var(--mint);
}

.page-products .pd-hero .exhibit__label {
  color: rgba(255, 255, 255, .7);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
}

.page-products .pd-hero h1 {
  margin: 0;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-products .pd-hero__intro {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-products .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .66);
}

.page-products .pd-hero__meta .mono {
  margin-right: 5px;
  font-size: 15px;
  color: var(--mint);
}

.page-products .pd-hero__visual {
  position: relative;
}

.page-products .pd-hero__badge {
  position: relative;
  z-index: 2;
  margin: -34px clamp(0px, 2vw, 22px) 0 clamp(14px, 4vw, 42px);
  padding: 18px 20px;
  border-radius: var(--radius-m);
  border: 1px solid rgba(168, 233, 220, .34);
  background: rgba(168, 233, 220, .16);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--white);
}

.page-products .pd-hero__badge p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .84);
}

/* ---------- 通用章节头 ---------- */
.page-products .pd-head {
  max-width: 62ch;
}

.page-products .pd-head h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pd-head__lead {
  max-width: 48ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-products .pd-head--split {
  max-width: none;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-products .pd-ratio {
  width: 100%;
  max-width: 360px;
  height: auto;
}

/* ---------- 01 版本卡矩阵 ---------- */
.page-products .pd-versions {
  background: var(--paper);
}

.page-products .pd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(18px, 2.4vw, 26px);
}

.page-products .pd-chips .chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--pd-hair);
  background: var(--white);
  color: var(--blue);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .pd-chips .chip:hover,
.page-products .pd-chips .chip:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.page-products .pd-version-grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-vcard {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2.2vw, 28px);
  border-radius: var(--radius-l);
  border: 1px solid var(--pd-hair);
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-products .pd-vcard:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-products .pd-vcard__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pd-vcard__size {
  font-size: 12px;
  color: var(--slate);
}

.page-products .pd-vcard h3 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--blue);
}

.page-products .pd-vcard__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pd-vcard__media {
  margin: 2px 0;
}

.page-products .pd-vcard__media--phone {
  width: 100%;
  max-width: 250px;
  margin-inline: auto;
}

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

.page-products .pd-vcard__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

.page-products .pd-vcard__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
}

.page-products .pd-vcard .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 02 对照表 ---------- */
.page-products .pd-compare-section {
  background: var(--white);
}

.page-products .pd-table-wrap {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-1);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table__caption {
  padding: 14px 18px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--pd-hair);
}

.page-products .pd-table thead th {
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  border-bottom: 0;
}

.page-products .pd-table tbody th[scope="row"] {
  width: 22%;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pd-table tbody td {
  color: var(--slate);
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(168, 233, 220, .14);
}

.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 03 注册流程 ---------- */
.page-products .pd-register {
  background:
    linear-gradient(180deg, rgba(168, 233, 220, .2), rgba(244, 247, 251, 0) 42%),
    var(--paper);
}

.page-products .pd-register__media {
  aspect-ratio: 7 / 5;
}

/* 横向步骤条 */
.page-products .pd-rail {
  display: grid;
  gap: 22px;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-rail__step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-right: 16px;
}

.page-products .pd-rail__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  letter-spacing: .04em;
  position: relative;
  z-index: 1;
}

.page-products .pd-rail__step strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pd-rail__note {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* 三个场景 */
.page-products .pd-scenes {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .pd-scene {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius-l);
  border: 1px solid var(--pd-hair);
  background: var(--white);
  box-shadow: var(--shadow-1);
}

.page-products .pd-scene h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  color: var(--blue);
}

.page-products .pd-scene__steps {
  list-style: none;
  counter-reset: pdscene;
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .pd-scene__steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
  counter-increment: pdscene;
}

.page-products .pd-scene__steps li::before {
  content: counter(pdscene, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .16em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--blue-bright);
}

.page-products .pd-scene__tip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(30, 111, 168, .3);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* 常见卡点问答 */
.page-products .pd-qa {
  margin-top: clamp(30px, 4vw, 50px);
}

.page-products .pd-qa__title {
  margin: 0 0 14px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 900;
  color: var(--blue);
}

.page-products .pd-qa .qa-item {
  border-bottom: 1px solid var(--pd-hair);
}

.page-products .pd-qa .qa-item__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  border: 0;
  background: none;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: color .16s var(--ease);
}

.page-products .pd-qa .qa-item__trigger::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  transition: background .16s var(--ease);
}

.page-products .pd-qa .qa-item__trigger:hover {
  color: var(--orange);
}

.page-products .pd-qa .qa-item__trigger[aria-expanded="true"]::before {
  background: var(--orange);
}

.page-products .pd-qa .qa-item__panel {
  padding: 0 0 18px 21px;
}

.page-products .pd-qa .qa-item__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 04 旧版本资料 ---------- */
.page-products .pd-archive {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 92% 0%, rgba(47, 212, 180, .2), transparent 62%),
    linear-gradient(160deg, var(--deep) 0%, var(--blue) 100%);
  color: var(--white);
}

.page-products .pd-archive .exhibit__label {
  color: rgba(255, 255, 255, .66);
}

.page-products .pd-archive h2 {
  color: var(--white);
}

.page-products .pd-archive .pd-head__lead {
  color: rgba(255, 255, 255, .74);
}

.page-products .pd-archive__media {
  border: 1px solid var(--pd-hair-dark);
}

.page-products .pd-paths {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-products .pd-path {
  padding: 22px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--pd-hair-dark);
  background: rgba(168, 233, 220, .09);
}

.page-products .pd-path__key {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mint);
}

.page-products .pd-path h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
}

.page-products .pd-path p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .76);
}

.page-products .pd-table-wrap--dark {
  margin-top: clamp(24px, 3.4vw, 36px);
  border-color: var(--pd-hair-dark);
  background: rgba(6, 26, 46, .55);
  box-shadow: none;
}

.page-products .pd-table--archive {
  color: rgba(255, 255, 255, .82);
}

.page-products .pd-table--archive .pd-table__caption {
  color: rgba(255, 255, 255, .56);
}

.page-products .pd-table--archive thead th {
  background: rgba(47, 212, 180, .16);
  color: var(--white);
}

.page-products .pd-table--archive th,
.page-products .pd-table--archive td {
  border-bottom-color: rgba(168, 233, 220, .16);
}

.page-products .pd-table--archive tbody th[scope="row"] {
  color: var(--mint);
}

.page-products .pd-table--archive tbody td {
  color: rgba(255, 255, 255, .76);
}

.page-products .pd-table--archive tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, .05);
}

.page-products .pd-archive__note {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .62);
}

/* ---------- 05 安装前检查 ---------- */
.page-products .pd-prepare {
  background: var(--paper);
}

.page-products .pd-prep {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pd-prep__item {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius-m);
  border: 1px solid var(--pd-hair);
  border-top: 4px solid var(--orange);
  background: var(--white);
  box-shadow: var(--shadow-1);
}

.page-products .pd-prep__idx {
  display: block;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--blue-bright);
}

.page-products .pd-prep__item h3 {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 900;
  color: var(--blue);
}

.page-products .pd-prep__item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 收束 ---------- */
.page-products .pd-outro {
  padding-block: clamp(40px, 5.5vw, 76px);
}

.page-products .pd-outro__card {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 106, 26, .22), transparent 60%),
    linear-gradient(150deg, var(--blue) 0%, var(--deep) 100%);
  color: var(--white);
  box-shadow: var(--shadow-2);
}

.page-products .pd-outro__card h2 {
  margin: 14px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--white);
}

.page-products .pd-outro__card p {
  max-width: 46ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .76);
}

.page-products .pd-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================
   响应式
   ============================================ */

@media (min-width: 700px) {
  .page-products .pd-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 24px;
  }

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

  .page-products .pd-prep {
    grid-template-columns: 1.15fr .95fr .9fr;
  }

  .page-products .pd-outro__card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  }

  .page-products .pd-outro__links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 860px) {
  .page-products .pd-version-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .pd-vcard--pc {
    grid-column: 1 / 8;
    grid-row: 1;
  }

  .page-products .pd-vcard--mobile {
    grid-column: 8 / 13;
    grid-row: 1 / span 2;
  }

  .page-products .pd-vcard--pad {
    grid-column: 1 / 8;
    grid-row: 2;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-products .pd-head--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 1000px) {
  .page-products .pd-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .pd-rail__step {
    padding-right: 26px;
  }

  .page-products .pd-rail__step::after {
    content: "";
    position: absolute;
    top: 16px;
    left: 44px;
    right: 4px;
    border-top: 2px dashed rgba(30, 111, 168, .32);
  }

  .page-products .pd-rail__step:last-child::after {
    display: none;
  }

  .page-products .pd-scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .pd-scene:nth-child(1) {
    grid-column: 1 / 6;
  }

  .page-products .pd-scene:nth-child(2) {
    grid-column: 6 / 9;
  }

  .page-products .pd-scene:nth-child(3) {
    grid-column: 9 / 13;
  }
}

/* 图片基础保障 */
.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-vcard,
  .page-products .pd-chips .chip,
  .page-products .pd-qa .qa-item__trigger {
    transition: none;
  }

  .page-products .pd-vcard:hover {
    transform: none;
  }
}
<<<END>>>