/* ═══════════════════════════════════════════════════════════════
   光音社 · 软件下载中心（Apple Store 白风，对齐 shop.css）
   ═══════════════════════════════════════════════════════════════ */

.dl-page{background:var(--bg)}

/* 主区域 */
.dl-hero{
  min-height:100vh;position:relative;overflow:hidden;
  padding:140px 24px 80px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
}
/* 下载方式区可能比视口高，顶对齐避免被裁切 */
.dl-hero:has(.dl-portal:not([hidden])){align-items:flex-start}

.dl-wrap{
  position:relative;z-index:2;
  width:100%;max-width:1180px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:56px;
  align-items:center;
}
/* display:grid 会盖掉 [hidden] 默认的 display:none，必须显式补 */
.dl-wrap[hidden]{display:none}

/* 左侧介绍 */
.dl-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--bg-1);
  border:1px solid var(--border);
  color:var(--text-2);font-size:13px;font-weight:400;
  margin-bottom:22px;
}
.dl-tag .dot{
  width:7px;height:7px;border-radius:50%;background:#34c759;
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}

.dl-title{
  font-size:clamp(40px,6.5vw,68px);font-weight:700;line-height:1.05;
  letter-spacing:-1.5px;margin-bottom:20px;color:var(--text);
}
.dl-title span{display:block}
.dl-sub{
  font-size:17px;color:var(--text-2);max-width:480px;margin-bottom:32px;font-weight:400;line-height:1.6;
}

.dl-meta{
  display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px;
}
.dl-meta-item{
  flex:1;min-width:120px;
  background:var(--bg-card);
  border:1px solid var(--border);
  padding:14px 16px;border-radius:14px;
  transition:.25s var(--ease);
}
.dl-meta-item:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(0,0,0,.06);
}
.dl-meta-item .mk{
  display:block;font-size:11px;color:var(--text-3);letter-spacing:1px;text-transform:uppercase;margin-bottom:5px;
}
.dl-meta-item strong{font-size:15px;color:var(--text);font-weight:600}

.dl-features{list-style:none}
.dl-features li{
  display:flex;align-items:center;gap:10px;
  color:var(--text-2);font-size:14px;padding:6px 0;
}
.dl-features .ck{
  width:20px;height:20px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}

/* 右侧卡片 */
.dl-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:24px;
  padding:44px 40px;
  box-shadow:0 16px 50px rgba(0,0,0,.08);
}

.dl-pane{animation:paneIn .5s var(--ease-out)}
@keyframes paneIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.dl-icon{
  width:72px;height:72px;border-radius:18px;
  background:var(--bg-1);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}

.dl-pane h2{
  font-size:26px;font-weight:600;margin-bottom:6px;letter-spacing:-.3px;color:var(--text);
}
.dl-hint{font-size:13px;color:var(--text-3);margin-bottom:22px}
.dl-hint strong{color:var(--text)}

/* 表单 */
.dl-form{display:flex;flex-direction:column;gap:14px}
.dl-form label{display:flex;flex-direction:column;gap:6px}
.dl-form label span{font-size:12px;color:var(--text-3);letter-spacing:.5px}
.dl-form input{
  background:#fff;
  border:1px solid var(--border-h);
  border-radius:10px;
  padding:12px 14px;color:var(--text);font-size:14px;
  transition:.2s var(--ease);
  font-family:var(--font);
}
.dl-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0,102,204,.12);
}
.dl-form input::placeholder{color:var(--text-4)}

.dl-err{
  font-size:13px;color:#bf2600;min-height:18px;
  padding:0 2px;
}
.dl-ok{
  font-size:13px;color:#0a7d34;line-height:1.5;
  padding:10px 12px;border-radius:10px;
  background:#eafaf0;border:1px solid #bfe8cd;
}
.dl-ok[hidden]{display:none}

/* 角色选择器 */
.dl-role{display:flex;gap:8px}
.dl-role-btn{
  flex:1;padding:10px 8px;cursor:pointer;
  background:#fff;border:1px solid var(--border-h);
  border-radius:10px;color:var(--text-2);
  font-size:14px;font-family:var(--font);
  transition:.18s var(--ease);
}
.dl-role-btn:hover{border-color:var(--accent);color:var(--text)}
.dl-role-btn.active{
  background:var(--accent);border-color:var(--accent);color:#fff;font-weight:500;
}

.dl-btn{
  position:relative;
  width:100%;padding:13px;margin-top:8px;
  background:var(--accent);color:#fff;border:none;cursor:pointer;
  border-radius:var(--radius-pill);font-size:15px;font-weight:400;font-family:var(--font);
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:.2s var(--ease);overflow:hidden;
}
.dl-btn:hover{background:var(--blue-h)}
.dl-btn:active{opacity:.9}
.dl-btn:disabled{cursor:wait;opacity:.85}
.dl-btn .btn-loader{
  width:16px;height:16px;border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;border-radius:50%;
  animation:spin .6s linear infinite;
  display:none;
}
.dl-btn.loading .btn-label{opacity:.55}
.dl-btn.loading .btn-loader{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

.dl-btn-big{padding:15px;font-size:16px;margin-top:18px}

.dl-foot{
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
  display:flex;justify-content:space-between;align-items:center;
}
.dl-foot a{color:var(--accent);text-decoration:none}
.dl-foot a:hover{text-decoration:underline}

.dl-link{
  margin-top:12px;background:none;border:none;cursor:pointer;
  color:var(--text-3);font-size:13px;font-family:var(--font);
  transition:.2s;
}
.dl-link:hover{color:var(--text)}

/* 头像 */
.dl-avatar{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(160deg,#e8f1fa,#cfe2f3);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:600;color:var(--text);
  margin-bottom:18px;
}

/* ═══ 下载方式选择区（参照设计稿 · 白风） ═══ */
.dl-portal{
  position:relative;z-index:2;
  width:100%;max-width:760px;margin:0 auto;
  animation:paneIn .5s var(--ease-out);
}
.dl-portal[hidden]{display:none}
.portal-title{
  text-align:center;font-size:clamp(28px,4.4vw,40px);font-weight:700;
  letter-spacing:-.5px;margin-bottom:10px;
}
.portal-sub{
  text-align:center;font-size:14px;color:var(--text-3);margin-bottom:36px;
}
.portal-sub strong{color:var(--text);font-weight:600}

.dl-methods{display:flex;flex-direction:column;gap:16px}

.dl-method{
  position:relative;cursor:pointer;
  display:flex;align-items:center;gap:18px;
  padding:20px 22px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:18px;
  transition:.25s var(--ease);
}
.dl-method:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(0,0,0,.1);
}
.dl-method:active{transform:translateY(0)}
/* 推荐卡：只用阴影区分，不加蓝边 */
.dl-method.is-rec{
  box-shadow:0 12px 36px rgba(0,0,0,.08);
}
.dl-method.is-rec:hover{box-shadow:0 18px 46px rgba(0,0,0,.12)}
/* 键盘聚焦：浅阴影描边，无蓝框 */
.dl-method:focus{outline:none}
.dl-method:focus-visible{box-shadow:0 0 0 3px rgba(0,102,204,.18)}

.rec-tag{
  position:absolute;top:-10px;right:22px;
  padding:4px 13px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  box-shadow:0 4px 12px rgba(0,102,204,.3);
}

.m-icon{
  width:60px;height:60px;border-radius:15px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.m-icon svg{width:30px;height:30px}
.m-icon-bolt{background:linear-gradient(160deg,#ff8a3d,#ff5e3a);color:#fff}
.m-icon-cloud{background:linear-gradient(160deg,#5ac8fa,#0a84ff);color:#fff}
.m-icon-globe{background:linear-gradient(160deg,#34c1e8,#0a84ff);color:#fff}
.m-icon-link{background:var(--bg-1);border:1px solid var(--border);color:var(--text-3)}

.m-body{flex:1;min-width:0}
.m-body h3{
  font-size:19px;font-weight:600;color:var(--text);margin:0 0 4px;letter-spacing:-.2px;
}
.m-body p{font-size:13px;color:var(--text-3);margin:0;line-height:1.5}

/* 体积徽章（纯展示，不是按钮） */
.m-badge{
  flex-shrink:0;
  padding:9px 18px;border-radius:12px;
  background:var(--bg-1);border:1px solid var(--border);
  color:var(--text);font-size:15px;font-weight:600;white-space:nowrap;
}

/* 直链「复制链接」按钮 */
.m-copy{
  flex-shrink:0;cursor:pointer;border:none;font-family:var(--font);
  padding:11px 22px;border-radius:12px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  transition:.18s var(--ease);
}
.m-copy:hover{background:var(--blue-h)}
.m-copy:active{transform:scale(.96)}
.m-copy.copied{background:#34c759}

/* ═══ 通用下载须知 ═══ */
.dl-tips{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px;
}
.tip-item{
  display:flex;gap:13px;align-items:flex-start;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:14px;padding:16px 18px;
}
.tip-ic{font-size:20px;flex-shrink:0;margin-top:1px}
.tip-item strong{display:block;font-size:13px;color:var(--text);margin-bottom:4px}
.tip-item p{margin:0;font-size:13px;color:var(--text-2);line-height:1.6}

/* ═══ 使用条例折叠 ═══ */
.dl-terms-fold{
  margin-top:18px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:14px;overflow:hidden;
}
.dl-terms-fold summary{
  list-style:none;cursor:pointer;padding:16px 20px;
  font-size:14px;font-weight:500;color:var(--text-2);
  display:flex;justify-content:space-between;align-items:center;
}
.dl-terms-fold summary::-webkit-details-marker{display:none}
.dl-terms-fold summary::after{content:"+";font-size:20px;color:var(--text-3);transition:.3s var(--ease)}
.dl-terms-fold[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.dl-terms-fold[open] summary{color:var(--text)}
.terms-inner{padding:0 20px 18px}
.terms-inner p{font-size:13px;color:var(--text-2);line-height:1.75;margin:0 0 11px}
.terms-inner p:last-child{margin-bottom:0}
.terms-inner strong{color:var(--text);font-weight:600}

/* FAQ（保留样式，白风） */
.dl-faq{padding:100px 0;background:var(--bg-1)}
.faq-title{
  text-align:center;font-size:36px;font-weight:700;
  margin-bottom:48px;letter-spacing:-.5px;color:var(--text);
}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:14px;padding:0;overflow:hidden;
  transition:.2s var(--ease);
}
.faq-item[open]{
  border-color:var(--border-h);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:15px;font-weight:500;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--text-3);
  transition:.3s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq-item p{
  padding:0 22px 18px;color:var(--text-2);font-size:14px;line-height:1.7;
}

/* ═══ 移动端 ═══ */
@media (max-width:960px){
  .dl-wrap{grid-template-columns:1fr;gap:36px}
  .dl-hero{padding:110px 18px 60px;flex-direction:column;gap:48px}
  .dl-info{text-align:center}
  .dl-info .dl-features{display:inline-block;text-align:left}
  .dl-card{padding:32px 24px}
}
@media (max-width:560px){
  .dl-meta{flex-direction:column}
  .dl-meta-item{min-width:0}
  .dl-title{font-size:40px}
  .faq-title{font-size:26px}
  .dl-foot{flex-direction:column;gap:6px;align-items:flex-start}
  /* 下载方式卡片：窄屏紧凑化 */
  .dl-method{padding:16px;gap:14px}
  .m-icon{width:50px;height:50px;border-radius:13px}
  .m-icon svg{width:25px;height:25px}
  .m-body h3{font-size:17px}
  .m-body p{font-size:12px}
  .m-badge{padding:8px 14px;font-size:14px}
  .m-copy{padding:9px 16px;font-size:14px}
  .rec-tag{right:14px}
  .dl-tips{grid-template-columns:1fr}
}