.page-products {
  --pp-edge: 1px solid var(--crystal);
  --pp-soft: #e7eff4;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 20px 0 4px;
}
.page-products .breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}
.page-products .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
}
.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--ice-blue);
  text-decoration: underline;
}
.page-products .breadcrumb__sep {
  color: var(--crystal);
}
.page-products .breadcrumb__current {
  color: var(--brown-black);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  padding: clamp(28px, 4vw, 52px) 0 clamp(44px, 6vw, 80px);
  background:
    linear-gradient(168deg, rgba(30, 92, 130, 0.13) 0%, rgba(30, 92, 130, 0) 46%),
    var(--frost);
  overflow: hidden;
}
.page-products .dl-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 52%;
  height: 150%;
  background: linear-gradient(102deg, rgba(201, 144, 47, 0.14), rgba(201, 144, 47, 0));
  transform: skewX(-14deg);
  pointer-events: none;
}
.page-products .dl-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-products .dl-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink-ice);
}
.page-products .dl-hero__title span {
  display: block;
  margin-top: 10px;
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--ice-blue);
}
.page-products .dl-hero__lead {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--brown-black);
}
.page-products .dl-hero__stamp {
  margin: 22px 0 0;
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--gold);
  border: 1px dashed var(--gold);
  background: rgba(246, 241, 230, 0.6);
}
.page-products .dl-hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .dl-hero__art {
  margin: 0;
  border: var(--pp-edge);
  background: var(--ink-ice);
  overflow: hidden;
}
.page-products .dl-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 两步路径 ---------- */
.page-products .dl-path {
  padding: clamp(40px, 5.5vw, 72px) 0;
  background: var(--ink-ice);
  color: var(--frost);
}
.page-products .dl-path__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.page-products .dl-path__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.25;
  color: var(--frost);
}
.page-products .dl-path__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(188, 215, 230, 0.28);
  border: 1px solid rgba(188, 215, 230, 0.28);
}
.page-products .dl-step {
  padding: 26px 22px 30px;
  background: var(--ink-ice);
  position: relative;
}
.page-products .dl-step__num {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.04em;
}
.page-products .dl-step__title {
  margin: 16px 0 10px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
}
.page-products .dl-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 247, 250, 0.76);
}

/* ---------- 主体两栏骨架 ---------- */
.page-products .dl-body {
  padding: clamp(48px, 6vw, 88px) 0 clamp(56px, 7vw, 96px);
  background: var(--frost);
}
.page-products .dl-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.page-products .dl-spine {
  display: none;
}
.page-products .dl-spine__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-products .dl-spine__nav {
  display: flex;
  flex-direction: column;
  border-left: var(--pp-edge);
}
.page-products .dl-spine__link {
  display: block;
  padding: 9px 0 9px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease;
}
.page-products .dl-spine__link:hover,
.page-products .dl-spine__link:focus-visible {
  color: var(--ice-blue);
  border-left-color: var(--crystal);
}
.page-products .dl-spine__link[aria-current="true"] {
  color: var(--ice-blue);
  border-left-color: var(--signal);
  font-weight: 700;
}

/* ---------- 区块通用 ---------- */
.page-products .dl-sec {
  padding-bottom: clamp(48px, 6vw, 80px);
  scroll-margin-top: 88px;
}
.page-products .dl-sec + .dl-sec {
  padding-top: clamp(48px, 6vw, 80px);
  border-top: var(--pp-edge);
}
.page-products .dl-sec__head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}
.page-products .dl-sec__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.25;
  color: var(--ink-ice);
}
.page-products .dl-sec__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--brown-black);
}
.page-products .dl-sec__art {
  margin: 0;
  border: var(--pp-edge);
  overflow: hidden;
  background: var(--frost);
}
.page-products .dl-sec__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 筛选 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.page-products .filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 10px 16px;
  border: var(--pp-edge);
  border-radius: var(--radius);
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.page-products .filter-btn:hover,
.page-products .filter-btn:focus-visible {
  border-color: var(--ice-blue);
  color: var(--ice-blue);
}
.page-products .filter-btn[aria-pressed="true"] {
  background: var(--ink-ice);
  border-color: var(--ink-ice);
  color: var(--frost);
}
.page-products .filter-empty {
  margin: 0;
  padding: 28px 20px;
  border: 1px dashed var(--crystal);
  font-size: 14px;
  color: var(--mist);
  text-align: center;
}
.page-products .filter-empty__reset {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--ice-blue);
  text-decoration: underline;
  cursor: pointer;
}

/* ---------- 资料清单 ---------- */
.page-products .dl-catalog {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.page-products .dl-item {
  padding: 22px 0;
  border-bottom: var(--pp-edge);
}
.page-products .dl-item:first-child {
  border-top: var(--pp-edge);
}
.page-products .dl-item__name {
  margin: 10px 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-ice);
}
.page-products .dl-item__use {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--brown-black);
}
.page-products .dl-item__meta {
  margin: 0;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.04em;
}
.page-products .dl-item.is-hidden {
  display: none;
}

/* ---------- 权益 11 项 ---------- */
.page-products .dl-rights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.page-products .dl-right {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--crystal);
}
.page-products .dl-right:first-child {
  border-top: 1px solid var(--crystal);
}
.page-products .dl-right__k {
  grid-row: 1 / 3;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.06em;
  padding-top: 2px;
}
.page-products .dl-right__t {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-ice);
}
.page-products .dl-right__t + p,
.page-products .dl-right > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--brown-black);
}
.page-products .dl-right {
  grid-template-areas:
    "k t"
    "k p";
}
.page-products .dl-right__k { grid-area: k; }
.page-products .dl-right__t { grid-area: t; }
.page-products .dl-right > p { grid-area: p; }

/* ---------- 工具 9 个 ---------- */
.page-products .dl-tools {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--crystal);
  border: var(--pp-edge);
}
.page-products .dl-tool {
  background: var(--frost);
  padding: 22px 20px 24px;
  position: relative;
  transition: background 180ms ease;
}
.page-products .dl-tool::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--signal);
  transition: height 220ms ease;
}
.page-products .dl-tool:hover::before,
.page-products .dl-tool:focus-within::before {
  height: 100%;
}
.page-products .dl-tool:hover {
  background: var(--cream);
}
.page-products .dl-tool__n {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-ice);
}
.page-products .dl-tool__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--brown-black);
}

/* ---------- 服务 6 类 ---------- */
.page-products .dl-services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-products .dl-service {
  padding: 22px 20px;
  border: var(--pp-edge);
  border-left: 3px solid var(--ice-blue);
  background: #ffffff;
}
.page-products .dl-service__n {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ice-blue);
}
.page-products .dl-service__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--brown-black);
}

/* ---------- 版本说明 ---------- */
.page-products .dl-version {
  padding: clamp(26px, 3.4vw, 40px);
  border: 1px dashed var(--gold);
  background: var(--cream);
}
.page-products .dl-version__title {
  margin: 14px 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.4vw, 30px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--gold);
}
.page-products .dl-version__text {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--brown-black);
}
.page-products .dl-version__text strong {
  color: var(--ice-blue);
  font-weight: 700;
}
.page-products .dl-version__hint {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--crystal);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .dl-version__hint a,
.page-products .dl-after__note a,
.page-products .dl-bulk__copy a:not(.btn) {
  color: var(--ice-blue);
  text-decoration: underline;
}

/* ---------- 企业批量申请 ---------- */
.page-products .dl-bulk {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-products .dl-bulk__title {
  margin: 12px 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.4vw, 30px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-ice);
}
.page-products .dl-bulk__copy p {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--brown-black);
}
.page-products .dl-bulk__copy .btn {
  margin-top: 10px;
}
.page-products .dl-bulk__spec {
  margin: 0;
  border: var(--pp-edge);
  border-top: 3px solid var(--ink-ice);
  background: #ffffff;
}
.page-products .dl-bulk__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--crystal);
}
.page-products .dl-bulk__row:last-child {
  border-bottom: 0;
}
.page-products .dl-bulk__row dt {
  font-size: 13px;
  color: var(--mist);
}
.page-products .dl-bulk__row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-ice);
  text-align: right;
}
.page-products .dl-bulk__row dd.mono {
  color: var(--gold);
}

/* ---------- 下载之后 ---------- */
.page-products .dl-sec__head--plain {
  margin-bottom: 24px;
}
.page-products .dl-after {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-products .dl-after__card {
  padding: 24px 20px 26px;
  background: var(--cream);
  border: var(--pp-edge);
}
.page-products .dl-after__t {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-ice);
}
.page-products .dl-after__card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--brown-black);
}
.page-products .dl-after__card .mono {
  color: var(--ice-blue);
  word-break: break-all;
}
.page-products .dl-after__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: var(--pp-edge);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-products .dl-path__steps {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .dl-catalog {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }
  .page-products .dl-item:nth-child(1) {
    border-top: var(--pp-edge);
  }
  .page-products .dl-rights {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }
  .page-products .dl-right:nth-child(2) {
    border-top: 1px solid var(--crystal);
  }
  .page-products .dl-tools {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .dl-services {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .dl-after {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .dl-bulk {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
  .page-products .dl-sec__head {
    flex-direction: row;
    align-items: flex-start;
    gap: 32px;
  }
  .page-products .dl-sec__headtext {
    flex: 1 1 auto;
    min-width: 0;
  }
  .page-products .dl-sec__art {
    flex: 0 0 200px;
    max-width: 200px;
  }
  .page-products .dl-sec__head--plain {
    flex-direction: column;
  }
}

/* ---------- 桌面：锚点 + 内容 ---------- */
@media (min-width: 1024px) {
  .page-products .dl-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
    gap: 52px;
  }
  .page-products .dl-body__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 64px;
  }
  .page-products .dl-spine {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-products .dl-tools {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .dl-services {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .dl-sec__art {
    flex: 0 0 260px;
    max-width: 260px;
  }
}

@media (min-width: 1200px) {
  .page-products .dl-catalog {
    column-gap: 56px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .dl-spine__link,
  .page-products .filter-btn,
  .page-products .dl-tool,
  .page-products .dl-tool::before {
    transition: none;
  }
}