/* ============ 页面专属样式：APP下载 ============ */
.page-products {
  --product-gold-line: rgba(212, 168, 83, 0.36);
  --product-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow-x: clip;
}

/* ---- 区块标题通用 ---- */
.page-products__section-head {
  margin: 0 0 28px;
}
.page-products__section-head .eyebrow {
  margin-bottom: 8px;
}
.page-products__section-head::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 16px;
  background: var(--gold);
}
.page-products__section-note {
  max-width: 560px;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.82;
}
.page-products__section-head--light .section-title {
  color: #fff;
}
.page-products__section-head--light .page-products__section-note {
  color: rgba(255, 255, 255, 0.78);
  opacity: 1;
}
.page-products__section-head--light::after {
  background: var(--red-orange);
}

/* ---- 首屏 ---- */
.page-products__hero {
  position: relative;
  color: #fff;
  background-color: var(--navy);
  background-image: var(--gradient-navy);
  padding: 20px 0 44px;
  overflow: hidden;
}
.page-products__hero::before {
  content: "";
  position: absolute;
  right: -18%;
  top: -24%;
  width: 58%;
  aspect-ratio: 1;
  background: var(--navy-soft);
  border: 1px solid var(--product-gold-line);
  transform: rotate(18deg);
}
.page-products__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold) 36%, var(--red-orange) 36%, var(--red-orange) 47%, transparent 47%);
  opacity: 0.9;
}
.page-products__hero .container {
  position: relative;
  z-index: 1;
}
.page-products__hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}
.page-products__hero-copy .eyebrow {
  color: var(--gold);
}
.page-products__hero-title {
  margin: 6px 0 0;
  max-width: 720px;
  font-size: var(--h1);
  line-height: 1.18;
  color: #fff;
}
.page-products__hero-sub {
  max-width: 660px;
  margin-top: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
}
.page-products__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.page-products__hero-stat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.page-products__hero-stat-item {
  padding: 16px 14px;
  background: rgba(10, 31, 60, 0.62);
  border: 1px solid var(--product-gold-line);
  border-top: 2px solid var(--gold);
}
.page-products__hero-stat-value {
  display: block;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
}
.page-products__hero-stat-label {
  display: block;
  margin-top: 6px;
  font-size: var(--small);
  color: rgba(255, 255, 255, 0.72);
}
.page-products__hero-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.page-products__hero-nav a {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-headline);
  font-size: var(--small);
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
}
.page-products__hero-nav a:hover,
.page-products__hero-nav a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---- 版本总览 ---- */
.page-products__versions {
  background: var(--cream);
}
.page-products__compare {
  display: grid;
  gap: 22px;
}
.page-products__compare-col {
  display: flex;
  flex-direction: column;
  background: var(--mist);
  border: 1px solid rgba(10, 31, 60, 0.08);
}
.page-products__compare-media {
  order: -1;
}
.page-products__compare-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-products__compare-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px 22px 26px;
  border-top: 3px solid var(--gold);
}
.page-products__compare-body .eyebrow {
  margin-bottom: 6px;
}
.page-products__compare-body h3 {
  margin: 0;
}
.page-products__version-num {
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 8px 0 0;
  color: var(--slate);
}
.page-products__version-price {
  margin-top: 8px;
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--red-orange);
}
.page-products__compare-desc {
  margin-top: 12px;
  line-height: 1.75;
  color: var(--ink);
}
.page-products__feature-list {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products__feature-list li {
  position: relative;
  padding-left: 18px;
  line-height: 1.55;
  color: var(--ink);
}
.page-products__feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 8px;
  height: 8px;
  background: var(--gold);
}
.page-products__compare-body .btn {
  margin-top: auto;
  align-self: flex-start;
}
.page-products__compare-sep {
  display: none;
}
.page-products__timeline {
  display: grid;
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid rgba(10, 31, 60, 0.12);
}
.page-products__timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(10, 31, 60, 0.08);
}
.page-products__timeline-year {
  font-family: var(--font-headline);
  font-weight: 800;
  color: var(--gold);
}
.page-products__timeline-item p {
  margin: 0;
  line-height: 1.6;
  color: var(--ink);
}

/* ---- 下载专区 ---- */
.page-products__download {
  background: var(--navy);
  background-image: linear-gradient(180deg, rgba(10, 31, 60, 0.1), var(--navy-deep) 100%);
}
.page-products__download-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}
.page-products__download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 26px;
  border: 1px solid var(--product-gold-line);
  border-top: 3px solid var(--red-orange);
  background: var(--navy-soft);
}
.page-products__download-card h3 {
  color: #fff;
  margin: 8px 0 0;
}
.page-products__download-card .page-products__version-num {
  color: var(--gold);
}
.page-products__download-card-note {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}
.page-products__download-card .btn {
  margin-top: 18px;
  align-self: flex-start;
}
.page-products__platform-tag {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-products__download-support {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0 0 24px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--gold);
}
.page-products__download-support-text {
  flex: 1;
}
.page-products__download-support p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}
.page-products__checksum {
  display: grid;
  gap: 20px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--product-gold-line);
}
.page-products__checksum-media img {
  width: 100%;
  height: auto;
  display: block;
}
.page-products__checksum-body h3 {
  color: #fff;
  margin: 0 0 8px;
}
.page-products__checksum-body > p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}
.page-products__checksum-body a {
  color: var(--gold);
}
.page-products__checksum-code {
  display: block;
  margin: 14px 0 10px;
  padding: 14px;
  background: var(--navy-deep);
  border-left: 4px solid var(--gold);
  font-family: var(--product-mono);
  font-size: 13px;
  color: var(--gold);
  word-break: break-all;
  line-height: 1.6;
}
.page-products__checksum-hint {
  color: rgba(255, 255, 255, 0.58);
  font-size: var(--small);
  line-height: 1.6;
}

/* ---- 价格标准 ---- */
.page-products__pricing {
  background: var(--mist);
}
.page-products__pricing-grid {
  display: grid;
  gap: 20px;
}
.page-products__price-card {
  position: relative;
  padding: 26px 24px 24px;
  background: #fff;
  border: 1px solid rgba(10, 31, 60, 0.12);
}
.page-products__price-card--featured {
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}
.page-products__price-badge {
  position: absolute;
  top: -1px;
  right: 18px;
  background: var(--red-orange);
  color: #fff;
  font-family: var(--font-headline);
  font-size: 13px;
  padding: 4px 12px;
  letter-spacing: 0.08em;
}
.page-products__price-card-label {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.page-products__price-card h3 {
  margin: 8px 0 0;
}
.page-products__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 0;
  font-family: var(--font-headline);
  color: var(--navy);
}
.page-products__price > span {
  font-size: 28px;
  font-weight: 800;
  color: var(--red-orange);
}
.page-products__price strong {
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 900;
  line-height: 1;
}
.page-products__price small {
  font-size: 14px;
  color: var(--slate);
  font-weight: 400;
}
.page-products__price-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(10, 31, 60, 0.1);
}
.page-products__price-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink);
  line-height: 1.55;
}
.page-products__price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 7px;
  height: 7px;
  background: var(--navy);
}
.page-products__price-card--featured .page-products__price-list li::before {
  background: var(--gold);
}
.page-products__pricing-visual {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.page-products__pricing-media img {
  width: 100%;
  height: auto;
  display: block;
}
.page-products__pricing-note {
  margin: 0;
  color: var(--ink);
  line-height: 1.7;
  font-size: var(--small);
  opacity: 0.85;
}
.page-products__pricing-note a {
  color: var(--red-orange);
}

/* ---- 重新登录设备服务费 ---- */
.page-products__relogin {
  background: var(--cream);
  border-top: 1px solid rgba(10, 31, 60, 0.1);
}
.page-products__relogin-grid {
  display: grid;
  gap: 28px;
}
.page-products__relogin-copy .eyebrow {
  color: var(--red-orange);
}
.page-products__relogin-desc {
  margin-top: 14px;
  line-height: 1.8;
  color: var(--ink);
}
.page-products__relogin-copy .btn {
  margin-top: 18px;
}
.page-products__relogin-panel {
  background: var(--navy);
  border-top: 4px solid var(--red-orange);
  padding: 24px;
}
.page-products__relogin-panel h3 {
  color: #fff;
  margin: 0 0 14px;
}
.page-products__relogin-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products__relogin-list li {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}
.page-products__relogin-list strong {
  color: var(--gold);
  font-family: var(--font-headline);
}
.page-products__relogin-list strong::after {
  content: "—";
  margin-left: 6px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---- 安装步骤与系统要求 ---- */
.page-products__setup {
  background: var(--mist);
}
.page-products__tabs {
  margin-top: 22px;
}
.page-products__tabs .tabs__btn {
  padding: 12px 20px;
  border: 1px solid rgba(10, 31, 60, 0.14);
  border-bottom: 3px solid transparent;
  background: var(--mist);
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}
.page-products__tabs .tabs__btn[aria-selected="true"] {
  border-bottom-color: var(--gold);
  background: #fff;
}
.page-products__setup-grid {
  display: grid;
  gap: 24px;
  padding-top: 8px;
}
.page-products__accordion {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-products__accordion .accordion__button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 18px 16px;
  background: #fff;
  border: 1px solid rgba(10, 31, 60, 0.12);
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}
.page-products__accordion .accordion__button:hover,
.page-products__accordion .accordion__button:focus-visible {
  border-color: var(--gold);
}
.page-products__accordion .accordion__button strong {
  font-size: 16px;
}
.page-products__step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  background: var(--navy);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.page-products__accordion .accordion__inner {
  padding: 14px 16px 18px;
  border: 1px solid rgba(10, 31, 60, 0.08);
  border-top: none;
  background: #fff;
}
.page-products__accordion .accordion__inner p {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
}
.page-products__setup-visual {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-products__setup-visual img {
  width: 100%;
  height: auto;
  display: block;
}
.page-products__setup-footnote {
  margin: 0;
  color: var(--slate);
  font-size: var(--small);
  line-height: 1.6;
}
.page-products__setup-footnote a {
  color: var(--red-orange);
}
.page-products__sys-grid {
  display: grid;
  gap: 16px;
  padding-top: 8px;
}
.page-products__sys-card {
  background: #fff;
  border: 1px solid rgba(10, 31, 60, 0.1);
  padding: 22px;
}
.page-products__sys-card h3 {
  margin: 0 0 12px;
}
.page-products__sys-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--ink);
  line-height: 1.6;
}

/* ---- 更新追踪 ---- */
.page-products__updates {
  background: var(--navy);
  background-image: var(--gradient-navy);
}
.page-products__update-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  padding: 28px 24px;
  background: var(--navy-soft);
  border: 1px solid var(--product-gold-line);
}
.page-products__update-copy .eyebrow {
  color: var(--gold);
}
.page-products__update-copy h2 {
  color: #fff;
  margin-top: 8px;
}
.page-products__update-note {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  max-width: 560px;
}

/* ---- 平板及以上 ---- */
@media (min-width: 768px) {
  .page-products__hero-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .page-products__hero-stat {
    max-width: 360px;
  }
  .page-products__download-support {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-products__checksum {
    grid-template-columns: minmax(180px, 300px) 1fr;
    align-items: center;
  }
  .page-products__pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products__relogin-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .page-products__setup-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-products__sys-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products__update-panel {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ---- 桌面端 ---- */
@media (min-width: 1024px) {
  .page-products__hero {
    padding: 24px 0 56px;
  }
  .page-products__compare {
    grid-template-columns: 1fr 96px 1fr;
    align-items: stretch;
  }
  .page-products__compare-sep {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .page-products__compare-sep::after {
    content: "";
    width: 1px;
    height: 100%;
    background: var(--gold);
  }
  .page-products__timeline {
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
  }
  .page-products__timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 14px;
    border-bottom: none;
    border-right: 1px solid rgba(10, 31, 60, 0.08);
  }
  .page-products__timeline-item:first-child {
    border-left: 1px solid rgba(10, 31, 60, 0.08);
  }
  .page-products__download-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products__pricing-visual {
    grid-template-columns: 420px 1fr;
    align-items: center;
  }
}