/* 下载中心与客户端介绍，共用现有官网令牌。 */
[hidden] { display: none !important; }
.download-page .site-nav { background: rgba(7, 26, 21, .96); }
.download-page .site-nav a[aria-current] { color: var(--gold-300); }
.download-page .btn { min-height: 46px; letter-spacing: .04em; white-space: normal; text-align: center; }
.download-skip { position: fixed; top: 8px; left: 16px; z-index: 101; padding: 10px 18px; background: var(--paper-50); color: var(--pine-950); transform: translateY(-150%); }
.download-skip:focus { transform: none; }
.download-hero { position: relative; padding: 140px 0 56px; overflow: hidden; }
.download-hero::before { content: ""; position: absolute; width: 640px; height: 640px; top: -300px; right: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(201,168,106,.13), transparent 68%); pointer-events: none; }
.download-hero__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px; }
.download-hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin: 18px 0 20px; letter-spacing: .06em; }
.download-hero .lead { max-width: 38em; font-size: 1rem; }
.download-hero__seal { width: 132px; opacity: .7; margin-right: 40px; }
.download-hero__tags { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; font-size: .85rem; color: var(--gold-400); }
.download-hero__tags span::before { content: "·"; margin-right: 8px; }
.download-catalog { padding-bottom: 72px; }
.download-tools { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding: 22px 0; border-block: var(--line-faint); }
.download-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.download-filters button { min-height: 44px; border-radius: 100px; padding: 8px 20px; color: var(--ink-body); font-size: .9rem; transition: background-color 160ms, color 160ms; }
.download-filters button:hover { background: var(--pine-800); }
.download-filters button[aria-pressed="true"] { background: var(--gold-weak); color: var(--gold-300); }
.download-search { display: flex; align-items: center; gap: 10px; background: var(--pine-900); border: var(--line-pine); border-radius: 100px; padding: 0 16px; width: 270px; }
.download-search svg { width: 18px; height: 18px; flex: none; }
.download-search input { width: 100%; min-width: 0; height: 44px; background: none; border: none; font-size: 16px; outline: none; }
.download-search:focus-within { outline: 2px solid var(--gold-500); outline-offset: 3px; }
.download-search input::placeholder { color: var(--ink-muted); }
.download-count { margin: 24px 0 16px; color: var(--ink-muted); font-size: .85rem; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.download-card { min-width: 0; display: flex; flex-direction: column; padding: 28px; border-radius: 20px; background: var(--pine-900); border: var(--line-faint); }
.download-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.download-icon { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; flex: none; border-radius: 14px; color: var(--gold-400); background: var(--gold-weak); }
.download-icon svg { width: 28px; height: 28px; }
.download-platform { font-size: .75rem; color: var(--ink-body); border: var(--line-pine); border-radius: 100px; padding: 3px 12px; }
.download-card h2 { font-size: 1.4rem; margin-bottom: 12px; }
.download-card__description { font-size: .9rem; flex: 1; }
.download-card__features { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 20px 0 24px; font-size: .75rem; color: var(--ink-muted); }
.download-card__features li::before { content: "·"; color: var(--gold-500); margin-right: 6px; }
.download-card__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; }
.download-card__actions .btn { padding: 10px 19px; font-size: .8rem; }
.download-text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--gold-400); font-size: .85rem; }
.download-text-link:hover { color: var(--gold-300); text-decoration: underline; text-underline-offset: 5px; }
.download-empty { text-align: center; padding: 48px 20px; background: var(--pine-900); border-radius: 16px; }
.download-empty h2 { font-size: 1.3rem; margin-bottom: 10px; }
.download-empty .btn { margin-top: 20px; }
.download-help { border-top: var(--line-faint); padding: 48px 0 64px; }
.download-help h2 { font-size: 1.6rem; margin-bottom: 24px; }
.download-help details { border-bottom: var(--line-pine); padding: 16px 0; }
.download-help summary { cursor: pointer; color: var(--ink-strong); min-height: 44px; align-content: center; }
.download-help details p { padding: 8px 0 12px; max-width: 65em; font-size: .9rem; }
.download-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: .85rem; color: var(--ink-muted); margin-bottom: 36px; }
.download-breadcrumb a { color: var(--gold-400); }
.client-hero { padding: 112px 0 64px; }
.client-hero__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 60px; align-items: center; }
.client-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.7rem); margin: 16px 0; }
.client-tagline { font-family: var(--font-serif); font-size: clamp(1.35rem, 2.5vw, 1.9rem); color: var(--gold-400); margin-bottom: 20px; }
.client-description { max-width: 37em; }
.client-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.client-install { font-size: .85rem; margin-top: 16px; color: var(--ink-muted); }
.client-brief { position: relative; padding: 36px; background: linear-gradient(140deg, var(--pine-850), var(--pine-900)); border: var(--line-faint); border-radius: 24px; overflow: hidden; }
.client-brief::before { content: ""; position: absolute; width: 170px; height: 170px; right: -45px; top: -50px; border-radius: 50%; border: 1px solid rgba(201,168,106,.12); }
.client-brief__heading { display: flex; align-items: center; gap: 16px; padding-bottom: 24px; border-bottom: var(--line-faint); }
.client-brief h2 { font-size: 1.2rem; }
.client-brief__heading p { font-size: .8rem; color: var(--ink-muted); margin-top: 4px; }
.client-brief li { display: flex; align-items: center; gap: 16px; margin-top: 24px; }
.client-brief li span { font-family: var(--font-serif); font-size: 1.1rem; color: var(--gold-500); }
.client-brief li strong { font-weight: 500; font-size: .95rem; color: var(--ink-strong); }
.client-features { padding: 56px 0; border-top: var(--line-faint); }
.client-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.client-section-heading h2 { font-size: 1.8rem; }
.client-section-heading p { color: var(--ink-muted); font-size: .85rem; }
.client-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.client-feature h3 { font-size: 1.2rem; margin: 12px 0; }
.client-feature .eyebrow { letter-spacing: .12em; }
.client-feature p { font-size: .9rem; }
.client-start { padding: 8px 0 64px; }
.client-start__inner { padding: 36px; border-radius: 20px; background: var(--paper-50); color: var(--pine-900); display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; }
.client-start h2, .client-start h3 { color: var(--pine-900); }
.client-start h2 { font-size: 1.7rem; margin-bottom: 12px; }
.client-start p { font-size: .9rem; }
.client-start .client-install { color: #485f53; }
.client-start ol { counter-reset: steps; }
.client-start li { counter-increment: steps; position: relative; padding-left: 44px; margin-bottom: 22px; }
.client-start li:last-child { margin-bottom: 0; }
.client-start li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; color: var(--green-500); font-family: var(--font-serif); font-weight: 600; }
.client-start h3 { font-family: var(--font-sans); font-size: .95rem; margin-bottom: 4px; }
.client-related { padding-bottom: 64px; }
.client-related__links { display: flex; flex-wrap: wrap; gap: 12px; }
.client-related__links a { padding: 10px 18px; background: var(--pine-900); border-radius: 100px; font-size: .85rem; min-height: 44px; }
.client-related__links a:hover { color: var(--gold-300); background: var(--pine-800); }
@media (max-width: 1023px) {
  .download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-hero__grid { gap: 28px; }
  .client-brief { padding: 28px; }
}
@media (max-width: 900px) {
  .download-page .site-nav__links, .download-page .site-nav__cta { display: none; }
  .download-page .site-nav__toggle, .download-page .site-nav__drawer { display: block; }
}
@media (max-width: 767px) {
  .download-hero { padding: 110px 0 36px; }
  .download-hero__inner { display: block; }
  .download-hero__seal { display: none; }
  .download-hero h1 { font-size: 2.6rem; }
  .download-hero__tags { gap: 8px 16px; margin-top: 22px; }
  .download-tools { gap: 16px; }
  .download-filters { gap: 4px; }
  .download-filters button { padding-inline: 14px; }
  .download-search { width: 100%; }
  .download-card { padding: 24px; }
  .download-card__top { margin-bottom: 20px; }
  .client-hero { padding: 100px 0 40px; }
  .download-breadcrumb { margin-bottom: 24px; }
  .client-hero__grid, .client-start__inner { grid-template-columns: 1fr; gap: 32px; }
  .client-brief { padding: 26px; }
  .client-feature-grid { grid-template-columns: 1fr; gap: 28px; }
  .client-start__inner { padding: 28px 24px; }
  .client-actions .btn { flex: 1; }
  .client-features { padding: 40px 0; }
}
@media (max-width: 559px) {
  .download-grid { grid-template-columns: 1fr; }
  .download-card__actions .btn { flex: 1; }
  .download-page .container { padding-inline: 20px; }
}