/* ============================================================
   VideoNote 下载页（参考微信下载页：极简、留白、大按钮）
   复用 home.css 的设计变量与 .btn / .dl-group / .nav 等组件
   ============================================================ */

.dl-nav{box-shadow:0 1px 0 rgba(15,35,90,.06)}
.dl-navlinks{font-weight:500}

/* ---------- Hero ---------- */
.dl-hero{
  background:
    radial-gradient(1100px 420px at 50% -140px, rgba(37,99,235,.12), transparent 70%),
    linear-gradient(180deg,#fbfdff, var(--bg));
  padding:96px 0 74px;text-align:center;
}
.dl-hero-in{max-width:760px;margin:0 auto;animation:dlFade .6s ease both}
@keyframes dlFade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.dl-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.4px;color:var(--brand);
  background:#eaf1ff;border:1px solid #dbe6ff;border-radius:999px;padding:5px 14px;margin-bottom:20px;
}
.dl-title{font-size:clamp(32px,5.2vw,52px);line-height:1.18;font-weight:850;letter-spacing:-.5px;color:var(--txt)}
.dl-title .dl-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dl-sub{margin:18px auto 0;max-width:600px;color:var(--txt2);font-size:16px;line-height:1.7}
.dl-cta{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.dl-meta{margin-top:18px;color:var(--txt3);font-size:13px}

/* ---------- 平台卡片 ---------- */
.dl-platforms{padding:72px 0;background:var(--bg)}
.dl-sec-title{text-align:center;font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--txt);margin-bottom:34px}
.dl-pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dl-pf-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 24px;text-align:center;
  transition:transform .2s, box-shadow .2s, border-color .2s;
}
.dl-pf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d7f8}
.dl-pf-ico{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.dl-pf-ico svg{display:block}
.dl-pf-name{font-size:19px;font-weight:800;color:var(--txt)}
.dl-pf-desc{color:var(--txt2);font-size:13.5px;margin:6px 0 18px}
.dl-pf-card .dl-group{display:flex;width:100%}
.dl-soon{display:inline-block;padding:11px 30px;border-radius:10px;font-weight:700;font-size:15px;color:#94a3b8;background:#f1f5f9;border:1px dashed #cbd5e1;cursor:not-allowed}

/* ---------- 配套工具（后台版本管理 → 配套工具下载，样式与平台卡片一致） ---------- */
.dl-tools-sec{padding:72px 0;background:var(--bg)}
.dl-sec-sub{text-align:center;color:var(--txt2);font-size:14px;margin:-22px 0 30px}
.dl-tools-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.dl-tool-card{
  flex:0 0 calc((100% - 40px)/3);max-width:calc((100% - 40px)/3);box-sizing:border-box;
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 24px;text-align:center;
  transition:transform .2s, box-shadow .2s, border-color .2s;
}
.dl-tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d7f8}
.dl-tool-ico{width:64px;height:64px;border-radius:16px;background:#eaf3ff;display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 16px}
.dl-tool-name{font-size:19px;font-weight:800;color:var(--txt)}
.dl-tool-ver{display:inline-block;font-size:11px;font-weight:600;color:var(--brand);background:#eaf3ff;border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:2px}
.dl-tool-desc{color:var(--txt2);font-size:13.5px;line-height:1.55;margin:6px 0 18px}

/* ---------- 下载方式选择弹窗 ---------- */
.dl-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:16px}
.dl-modal.open{display:flex}
.dl-modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.5)}
.dl-modal-box{position:relative;width:min(420px,92vw);max-height:86vh;overflow:auto;background:#fff;border-radius:16px;box-shadow:0 24px 60px -16px rgba(15,23,42,.45);animation:dlPop .22s ease both}
@keyframes dlPop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.dl-modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eef2f8;font-weight:700;color:var(--txt);position:sticky;top:0;background:#fff}
.dl-modal-x{border:none;background:none;font-size:22px;line-height:1;color:var(--txt3);cursor:pointer;padding:0 4px}
.dl-modal-list{padding:10px}
.dl-modal-note{margin:12px 16px 0;padding:10px 12px;background:#f5f8ff;border:1px solid #e2ecff;border-radius:10px;color:#334155;font-size:13px;line-height:1.6}
.dl-modal-note[hidden]{display:none}
.dl-src{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:11px;text-decoration:none;color:var(--txt);border:1px solid transparent;transition:background .15s,border-color .15s}
.dl-src:hover{background:#f5f8ff;border-color:#dbe6ff}
.dl-src-ico{width:30px;height:30px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#eaf1ff;font-size:16px}
.dl-src-logo{width:24px;height:24px;display:block;object-fit:contain}
.dl-src-name{flex:1;font-weight:600;font-size:15px}
.dl-src-name .dl-rec{font-style:normal;font-size:11px;font-weight:700;color:#fff;background:var(--brand);border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:middle}
.dl-src-go{color:var(--txt3);font-size:16px}

/* ---------- 扫码 / 移动端 ---------- */
.dl-qr-sec{padding:64px 0;background:linear-gradient(180deg,var(--bg),#fff)}
.dl-qr-in{max-width:900px;margin:0 auto;display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap}
.dl-qr-card{
  display:flex;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:22px 26px;box-shadow:var(--shadow);
}
.dl-qr-img{flex-shrink:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.dl-qr-img img{display:block}
.dl-qr-title{font-size:18px;font-weight:800;color:var(--txt)}
.dl-qr-sub{color:var(--txt2);font-size:13px;margin:4px 0 14px}
.dl-qr-points{list-style:none;display:grid;gap:12px;max-width:420px}
.dl-qr-points li{position:relative;padding-left:26px;color:var(--txt2);font-size:14.5px;line-height:1.5}
.dl-qr-points li::before{content:'';position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--grad);opacity:.14}
.dl-qr-points li b{color:var(--txt)}

/* ---------- 三步 ---------- */
.dl-steps-sec{padding:72px 0;background:#fff}
.dl-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dl-step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px}
.dl-step-no{font-size:13px;font-weight:800;color:#fff;background:var(--grad);width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.dl-step h3{font-size:17px;font-weight:800;color:var(--txt);margin-bottom:6px}
.dl-step p{color:var(--txt2);font-size:13.5px;line-height:1.6}

/* ---------- 底部 CTA ---------- */
.dl-foot-cta{padding:80px 0;text-align:center;
  background:radial-gradient(900px 360px at 50% 0,rgba(37,99,235,.12),transparent 70%),linear-gradient(180deg,#fff,var(--bg))}
.dl-foot-cta h2{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--txt);margin-bottom:24px}

/* ---------- 页脚 ---------- */
.dl-footer{border-top:1px solid var(--line);background:#fff;padding:30px 0}
.dl-foot-in2{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.dl-footer p{color:var(--txt3);font-size:13px}
.dl-foot-links{display:flex;gap:18px;font-size:13.5px}
.dl-foot-links a{color:var(--txt2)}
.dl-foot-links a:hover{color:var(--brand)}

/* ---------- 移动端 ---------- */
@media(max-width:720px){
  .dl-hero{padding:60px 0 46px}
  .dl-pf-grid{grid-template-columns:1fr;gap:14px}
  .dl-tools-grid{gap:14px}
  .dl-tool-card{flex-basis:100%;max-width:100%}
  .dl-steps{grid-template-columns:1fr}
  .dl-qr-in{flex-direction:column;text-align:center}
  .dl-qr-card{flex-direction:column;text-align:center}
  .dl-qr-points{text-align:left}
  .dl-nav .nav-right .ghost{display:none}
  .dl-foot-in2{flex-direction:column;text-align:center;justify-content:center}
}