/* ============================================================
   anam · 下载页 — 复用 tokens.css(紫罗兰系)+ index.css(nav/footer)
   仅定义本页专属版块,风格与首页一致。
   ============================================================ */

/* ---- Hero ---- */
.dl-hero {
  position: relative;
  overflow: hidden;
  padding: 156px 24px 56px;
  text-align: center;
}
.dl-hero .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(46px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}
.dl-hero .blob.bv { width: 320px; height: 320px; background: var(--blob-violet); left: -60px; top: -40px; }
.dl-hero .blob.bp { width: 280px; height: 280px; background: var(--blob-peach); right: -50px; top: 20px; }
.dl-hero .blob.bb { width: 260px; height: 260px; background: var(--blob-blue); left: 30%; top: 120px; opacity: 0.35; }
.dl-hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }

.dl-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; color: var(--violet-700);
  font-size: 13.5px; font-weight: 800; letter-spacing: 0.01em;
  border: 1px solid var(--ink-200); border-radius: 999px;
  padding: 7px 15px; box-shadow: var(--shadow-sm);
}
.dl-eyebrow .spark { width: 16px; height: 16px; }
.dl-hero h1 {
  font-size: clamp(34px, 6vw, 56px); line-height: 1.08;
  font-weight: 800; letter-spacing: -0.02em;
  margin: 20px 0 14px; color: var(--ink-900);
}
.dl-hero h1 .accent {
  background: var(--grad-violet); -webkit-background-clip: text;
  background-clip: text; -webkit-text-fill-color: transparent;
}
.dl-hero .sub {
  font-size: clamp(16px, 2.4vw, 19px); color: var(--ink-600);
  max-width: 620px; margin: 0 auto; line-height: 1.6;
}
/* 智能识别推荐条 */
.dl-reco {
  display: none; align-items: center; gap: 9px; justify-content: center;
  margin: 22px auto 0; width: fit-content;
  background: var(--violet-50); color: var(--violet-700);
  border: 1px solid var(--violet-200); border-radius: 999px;
  font-size: 14px; font-weight: 700; padding: 9px 18px;
}
.dl-reco.show { display: inline-flex; }
.dl-reco svg { width: 17px; height: 17px; }

/* ---- 平台卡网格 ---- */
.dl-section { max-width: 1080px; margin: 0 auto; padding: 8px 24px 24px; }
.dl-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 720px) { .dl-grid { grid-template-columns: 1fr; } }

.plat-card {
  position: relative;
  background: #fff; border: 1.5px solid var(--ink-200);
  border-radius: 24px; padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
  display: flex; flex-direction: column; gap: 16px;
}
.plat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--violet-200); }
.plat-card.is-reco { border-color: var(--violet-400); box-shadow: var(--shadow-md); }
.plat-reco-tag {
  position: absolute; top: -11px; left: 24px;
  background: var(--grad-violet); color: #fff;
  font-size: 12px; font-weight: 800; border-radius: 999px;
  padding: 4px 12px; box-shadow: var(--shadow-brand);
}
.plat-top { display: flex; align-items: center; gap: 14px; }
.plat-ico {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: 15px; background: var(--lavender-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-900);
}
.plat-ico svg { width: 28px; height: 28px; }
.plat-name { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; color: var(--ink-900); }
.plat-req { font-size: 13px; font-weight: 600; color: var(--ink-500); margin-top: 2px; }

.plat-body { display: flex; align-items: center; gap: 18px; }
.plat-qr {
  width: 92px; height: 92px; flex-shrink: 0;
  border-radius: 14px; border: 1px solid var(--ink-200);
  padding: 6px; background: #fff;
}
.plat-qr img { width: 100%; height: 100%; }
.plat-actions { flex: 1; display: flex; flex-direction: column; gap: 9px; align-items: flex-start; }
.plat-actions .btn-primary,
.plat-actions .btn-ghost { width: 100%; justify-content: center; }
.plat-hint { font-size: 12.5px; color: var(--ink-500); line-height: 1.45; }

.plat-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; border-top: 1px solid var(--ink-100); padding-top: 13px;
  font-size: 12.5px; color: var(--ink-500); font-weight: 600;
}
.plat-foot a { color: var(--violet-600); }
.plat-foot a:hover { text-decoration: underline; }

/* 即将上线灰态 */
.plat-card.is-soon { background: var(--lavender-2); border-style: dashed; box-shadow: none; }
.plat-card.is-soon:hover { transform: none; box-shadow: none; border-color: var(--ink-300); }
.plat-card.is-soon .plat-ico { color: var(--ink-400); background: #fff; }
.plat-card.is-soon .plat-name { color: var(--ink-600); }
.soon-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; color: var(--ink-500); border: 1px solid var(--ink-200);
  border-radius: 999px; font-size: 13px; font-weight: 700; padding: 9px 16px;
}
.btn-notify {
  background: transparent; border: 0; padding: 0; margin-top: 2px;
  color: var(--violet-600); font-size: 13px; font-weight: 700;
}
.btn-notify:hover { text-decoration: underline; }

/* ---- 浏览器免安装条 ---- */
.dl-web {
  max-width: 1080px; margin: 6px auto 0; padding: 0 24px;
}
.dl-web-inner {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: var(--ink-900); color: #fff;
  border-radius: 22px; padding: 22px 26px;
  box-shadow: var(--shadow-md);
}
.dl-web-inner .wico {
  width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0;
  background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center;
}
.dl-web-inner .wico svg { width: 24px; height: 24px; }
.dl-web-txt { flex: 1; min-width: 200px; }
.dl-web-txt b { font-size: 17px; font-weight: 800; }
.dl-web-txt p { font-size: 13.5px; color: rgba(255,255,255,0.7); margin-top: 2px; }
.btn-white {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; color: var(--ink-900); font-size: 15px; font-weight: 800;
  border: 0; border-radius: 999px; padding: 12px 22px;
  transition: transform 0.2s var(--ease-out);
}
.btn-white:hover { transform: translateY(-1px); }

/* ---- 特性大板(同宽,与平台卡/浏览器条对齐 1080) ---- */
.dl-bandwrap { max-width: 1080px; margin: 18px auto 0; padding: 0 24px; }
.dl-band {
  position: relative; overflow: hidden;
  border-radius: 28px; padding: 40px 44px;
}
.band-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 800; letter-spacing: 0.01em;
  color: var(--violet-300); margin-bottom: 14px;
}
.band-eyebrow svg { width: 15px; height: 15px; }
.dl-band h2 {
  font-size: clamp(24px, 3.4vw, 34px); line-height: 1.12;
  font-weight: 800; letter-spacing: -0.02em; margin: 0 0 12px;
}
.dl-band > .band-head > p,
.band-cloud-inner > p { font-size: clamp(14.5px, 1.8vw, 16.5px); line-height: 1.6; }

/* 桌面版·私有化部署 — 深色高级感 */
.dl-band--local {
  background:
    radial-gradient(620px 300px at 12% -10%, rgba(124,92,255,0.28), transparent 70%),
    radial-gradient(560px 320px at 108% 120%, rgba(80,120,255,0.22), transparent 70%),
    var(--ink-900);
  color: #fff;
}
.dl-band--local::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 38px 38px; mask-image: radial-gradient(80% 80% at 50% 0%, #000, transparent);
}
.dl-band--local .band-head { position: relative; max-width: 640px; }
.dl-band--local h2 { color: #fff; }
.dl-band--local h2 .accent {
  background: linear-gradient(120deg, var(--violet-300), #9fd0ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.dl-band--local .band-head p { color: rgba(255,255,255,0.74); }
.band-feats {
  position: relative; margin-top: 30px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.feat {
  display: flex; gap: 13px; align-items: flex-start;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.09);
  border-radius: 16px; padding: 16px 18px;
  transition: background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}
.feat:hover { background: rgba(255,255,255,0.08); border-color: rgba(124,92,255,0.5); }
.feat-ico {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 11px;
  background: rgba(124,92,255,0.2); color: var(--violet-200);
  display: flex; align-items: center; justify-content: center;
}
.feat-ico svg { width: 21px; height: 21px; }
.feat b { font-size: 15.5px; font-weight: 800; color: #fff; }
.feat p { font-size: 13px; line-height: 1.5; color: rgba(255,255,255,0.66); margin-top: 3px; }

/* 云端·全端同步 — 图片背景居中 */
.dl-band--cloud {
  min-height: 260px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff;
  background:
    linear-gradient(115deg, rgba(28,18,56,0.82) 0%, rgba(46,26,104,0.62) 45%, rgba(96,56,200,0.42) 100%),
    url("/assets/media/art-3.png") center/cover no-repeat;
}
.band-cloud-inner { position: relative; max-width: 620px; }
.dl-band--cloud h2 { color: #fff; }
.dl-band--cloud .band-cloud-inner p { color: rgba(255,255,255,0.85); margin: 0 auto; }
.band-eyebrow.on-dark { color: rgba(255,255,255,0.85); justify-content: center; }

@media (max-width: 720px) {
  .dl-band { padding: 30px 22px; }
  .band-feats { grid-template-columns: 1fr; }
}

/* ---- FAQ ---- */
.dl-faq { max-width: 760px; margin: 0 auto; padding: 44px 24px 8px; }
.dl-faq h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; text-align: center; margin-bottom: 22px; }
.dl-faq details {
  background: #fff; border: 1px solid var(--ink-200); border-radius: 16px;
  padding: 4px 20px; margin-bottom: 10px;
}
.dl-faq summary {
  list-style: none; cursor: pointer; padding: 15px 0;
  font-size: 15.5px; font-weight: 700; color: var(--ink-900);
  display: flex; align-items: center; justify-content: space-between;
}
.dl-faq summary::-webkit-details-marker { display: none; }
.dl-faq summary::after { content: "+"; font-size: 22px; color: var(--violet-500); font-weight: 400; }
.dl-faq details[open] summary::after { content: "\2212"; }
.dl-faq details p { font-size: 14px; color: var(--ink-600); line-height: 1.65; padding: 0 0 16px; }
.dl-faq details p b { color: var(--ink-800); }

/* ---- 底部 CTA(复用首页 cta-band 风格的简化版) ---- */
.dl-bottom { max-width: 1080px; margin: 8px auto 60px; padding: 0 24px; }