/* =========================================================
   数恩电气 · 产品与手册聚合门户
   Portal styles — mobile first · 工业蓝白卡片式
   ========================================================= */
:root{
  --c-primary:#1e2a3a;
  --c-primary-2:#2b3d55;
  --c-accent:#2563eb;
  --c-accent-2:#1d4ed8;
  --c-bg:#f5f7fb;
  --c-bg-2:#ffffff;
  --c-text:#1e293b;
  --c-text-2:#64748b;
  --c-text-3:#94a3b8;
  --c-border:#e2e8f0;
  --c-tag-bg:#eff4fb;
  --c-tag-fg:#3059c9;
  --c-warn:#f59e0b;
  --c-ok:#10b981;
  --r:14px;
  --r-sm:8px;
  --sh:0 2px 8px rgba(15,23,42,.06);
  --sh-hover:0 6px 20px rgba(15,23,42,.12);
  --hd-h:56px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px;line-height:1.65;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- Header ---------- */
.hd{
  position:sticky;top:0;z-index:100;height:var(--hd-h);
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-2) 100%);
  color:#fff;display:flex;align-items:center;padding:0 16px;gap:12px;
  box-shadow:0 1px 0 rgba(255,255,255,.05),0 2px 12px rgba(15,23,42,.15);
}
.hd-logo{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  box-shadow:0 2px 8px rgba(37,99,235,.35);
}
.hd-title{font-size:15px;font-weight:600;flex:1;line-height:1.2}
.hd-title small{display:block;font-size:11px;font-weight:400;opacity:.65;margin-top:2px}
.hd-actions{display:flex;gap:6px}
.hd-btn{
  width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:.15s;
}
.hd-btn:hover,.hd-btn:active{background:rgba(255,255,255,.16)}
.hd-btn svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Hero ---------- */
.hero{
  padding:22px 16px 18px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-2) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(37,99,235,.35),transparent 70%);
  pointer-events:none;
}
.hero-eyebrow{
  font-size:11px;letter-spacing:.15em;opacity:.7;text-transform:uppercase;margin-bottom:6px;
}
.hero h1{
  font-size:22px;font-weight:600;line-height:1.35;letter-spacing:.02em;
  position:relative;z-index:1;
}
.hero p{
  margin-top:6px;font-size:13px;opacity:.75;position:relative;z-index:1;
}
.hero-search{
  margin-top:14px;position:relative;z-index:1;
  display:flex;align-items:center;background:rgba(255,255,255,.14);
  border-radius:10px;padding:0 12px;height:42px;backdrop-filter:blur(6px);
}
.hero-search svg{width:16px;height:16px;stroke:rgba(255,255,255,.7);fill:none;stroke-width:2;flex-shrink:0;margin-right:8px}
.hero-search input{
  flex:1;background:transparent;border:none;color:#fff;font-size:14px;outline:none;
}
.hero-search input::placeholder{color:rgba(255,255,255,.55)}
/* slim hero: 仅保留搜索框，无标题文案 */
.hero-slim{padding:14px 16px 16px}
.hero-slim::after{display:none}
.hero-slim .hero-search{margin-top:0}

/* ---------- Section ---------- */
.section{padding:22px 16px 8px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}
.section-head h2{font-size:17px;font-weight:600;letter-spacing:.02em}
.section-head .more{font-size:12px;color:var(--c-text-2)}
.section-head .more:hover{color:var(--c-accent)}

/* ---------- Category chips ---------- */
.cats{
  display:flex;gap:8px;overflow-x:auto;padding:4px 16px 12px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.cats::-webkit-scrollbar{display:none}
.cat-chip{
  flex-shrink:0;padding:8px 14px;border-radius:20px;background:#fff;
  border:1px solid var(--c-border);font-size:13px;color:var(--c-text-2);
  transition:.18s;white-space:nowrap;
}
.cat-chip.on{
  background:var(--c-accent);border-color:var(--c-accent);color:#fff;
  box-shadow:0 2px 8px rgba(37,99,235,.25);
}

/* ---------- Product grid ---------- */
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:12px;padding:0 16px;
}
@media(min-width:640px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
}
.pcard{
  background:var(--c-bg-2);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--sh);transition:.2s;position:relative;
  display:flex;flex-direction:column;
}
.pcard:active{transform:scale(.985)}
@media(hover:hover){
  .pcard:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
}
.pcard-cover{
  aspect-ratio:4/3;background:linear-gradient(135deg,#f1f5f9 0%,#e2e8f0 100%);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.pcard-cover img{
  width:100%;height:100%;object-fit:contain;padding:10px;
}
.pcard-cover.empty::before{
  content:attr(data-abbr);font-weight:600;font-size:22px;color:#cbd5e1;letter-spacing:.06em;
}
.pcard-body{padding:10px 12px 12px;flex:1;display:flex;flex-direction:column;gap:4px}
.pcard-name{font-size:13px;font-weight:600;line-height:1.35;color:var(--c-text)}
.pcard-sub{font-size:11px;color:var(--c-text-2);line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.pcard-meta{margin-top:auto;display:flex;gap:6px;flex-wrap:wrap;padding-top:6px}
.pcard-meta span{
  font-size:10px;padding:2px 6px;border-radius:4px;
  background:var(--c-tag-bg);color:var(--c-tag-fg);
}
.pcard-status{
  position:absolute;top:8px;right:8px;font-size:10px;padding:2px 8px;border-radius:10px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(4px);
  color:var(--c-text-2);font-weight:500;
}
.pcard-status.released{background:#dbf6e6;color:#0a7c40}
.pcard-status.coming{background:#fff2d6;color:#8a5a00}

/* ---------- Video grid ---------- */
.vgrid{
  display:grid;grid-template-columns:1fr;gap:12px;padding:0 16px;
}
@media(min-width:640px){
  .vgrid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
}
.vcard{
  background:var(--c-bg-2);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--sh);transition:.2s;display:flex;
}
.vcard:active{transform:scale(.99)}
@media(min-width:640px){.vcard{flex-direction:column}}
.vcard-cover{
  position:relative;flex-shrink:0;width:120px;aspect-ratio:16/10;
  background:linear-gradient(135deg,#0f172a 0%,#334155 100%);
  display:flex;align-items:center;justify-content:center;
}
@media(min-width:640px){.vcard-cover{width:100%;aspect-ratio:16/9}}
.vcard-cover img{width:100%;height:100%;object-fit:cover}
.vcard-cover .play{
  position:absolute;width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 12px rgba(0,0,0,.35);
}
.vcard-cover .play::after{
  content:"";width:0;height:0;border-left:10px solid var(--c-accent);
  border-top:6px solid transparent;border-bottom:6px solid transparent;margin-left:2px;
}
.vcard-cover .dur{
  position:absolute;bottom:6px;right:6px;font-size:10px;padding:1px 6px;
  border-radius:3px;background:rgba(0,0,0,.65);color:#fff;
}
.vcard-cover .src-badge{
  position:absolute;top:6px;left:6px;font-size:10px;padding:2px 7px;
  border-radius:10px;font-weight:500;letter-spacing:.05em;color:#fff;
  backdrop-filter:blur(4px);
}
.vcard-cover .src-badge.local{background:rgba(37,99,235,.85)}
.vcard-cover .src-badge.external{background:rgba(16,185,129,.85)}
.vcard-body{padding:10px 12px;flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}
.vcard-title{font-size:14px;font-weight:600;line-height:1.35;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.vcard-desc{font-size:12px;color:var(--c-text-2);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.vcard-tags{margin-top:auto;display:flex;gap:6px;flex-wrap:wrap;padding-top:6px}
.vcard-tags span{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--c-tag-bg);color:var(--c-tag-fg)}
.vcard.placeholder .vcard-cover{background:linear-gradient(135deg,#334155 0%,#475569 100%)}
.vcard.placeholder .vcard-cover::before{
  content:"敬请期待";position:absolute;color:rgba(255,255,255,.4);font-size:12px;letter-spacing:.15em;
}
.vcard.placeholder .play{display:none}

/* ---------- Modal (video player) ---------- */
.mask{
  position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:200;
  display:none;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(4px);
}
.mask.on{display:flex}
.mdl{
  background:#000;border-radius:12px;overflow:hidden;
  width:100%;max-width:900px;position:relative;
}
.mdl-close{
  position:absolute;top:8px;right:8px;width:32px;height:32px;border-radius:50%;
  background:rgba(0,0,0,.5);color:#fff;display:flex;align-items:center;justify-content:center;
  z-index:2;font-size:20px;line-height:1;
}
.mdl iframe,.mdl video{width:100%;aspect-ratio:16/9;display:block;background:#000;border:0}
.mdl-empty{
  padding:40px 24px;color:#fff;text-align:center;background:#1e293b;
}

/* ---------- Footer ---------- */
.ft{
  padding:22px 16px 28px;text-align:center;color:var(--c-text-3);font-size:12px;
  margin-top:12px;border-top:1px solid var(--c-border);background:#fff;
}
.ft strong{color:var(--c-text-2);display:block;margin-bottom:4px;font-weight:500}
.ft a{color:var(--c-accent)}

/* ---------- Empty state ---------- */
.empty{
  padding:40px 16px;text-align:center;color:var(--c-text-3);font-size:13px;
}
.empty::before{content:"🔍";display:block;font-size:32px;margin-bottom:8px;opacity:.5}

/* ---------- Admin ---------- */
.admin{max-width:900px;margin:0 auto;padding:16px}
.admin h2{font-size:18px;margin:20px 0 10px;color:var(--c-primary)}
.admin-tabs{display:flex;gap:4px;border-bottom:1px solid var(--c-border);margin-bottom:14px}
.admin-tab{padding:10px 16px;font-size:14px;color:var(--c-text-2);border-bottom:2px solid transparent}
.admin-tab.on{color:var(--c-accent);border-bottom-color:var(--c-accent);font-weight:600}
.admin-row{
  background:#fff;border-radius:var(--r-sm);padding:12px;margin-bottom:10px;
  box-shadow:var(--sh);display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:start;
}
@media(min-width:640px){.admin-row{grid-template-columns:2fr 3fr auto}}
.admin-row .fields{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.admin-row input,.admin-row textarea,.admin-row select{
  width:100%;font:inherit;padding:6px 8px;border:1px solid var(--c-border);
  border-radius:6px;font-size:13px;background:#fff;
}
.admin-row textarea{grid-column:1/-1;min-height:52px;resize:vertical}
.admin-row .actions{display:flex;flex-direction:column;gap:4px}
.btn{
  padding:8px 14px;border-radius:6px;font-size:13px;font-weight:500;transition:.15s;
  background:var(--c-accent);color:#fff;
}
.btn:hover{background:var(--c-accent-2)}
.btn.ghost{background:transparent;color:var(--c-text-2);border:1px solid var(--c-border)}
.btn.ghost:hover{border-color:var(--c-accent);color:var(--c-accent);background:#fff}
.btn.danger{background:#ef4444}
.btn.danger:hover{background:#dc2626}
.admin-toolbar{
  position:sticky;top:0;z-index:10;background:var(--c-bg);padding:10px 0;
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;
  border-bottom:1px solid var(--c-border);margin-bottom:12px;
}
.admin-toolbar .spacer{flex:1}
.admin-hint{
  background:#fef3c7;color:#78350f;padding:10px 14px;border-radius:8px;
  font-size:12px;line-height:1.6;margin-bottom:14px;border-left:3px solid #f59e0b;
}
.login{
  max-width:340px;margin:80px auto;padding:28px 24px;background:#fff;
  border-radius:12px;box-shadow:var(--sh);
}
.login h1{font-size:20px;margin-bottom:6px;color:var(--c-primary)}
.login p{font-size:12px;color:var(--c-text-2);margin-bottom:16px}
.login input{
  width:100%;padding:10px 12px;border:1px solid var(--c-border);border-radius:8px;
  font-size:14px;margin-bottom:10px;
}
.login .btn{width:100%;padding:10px}
.login .err{color:#dc2626;font-size:12px;margin-top:8px;min-height:16px}

/* dark scheme (optional, follows system) */
@media(prefers-color-scheme:dark){
  /* keep light for consistency inside WeChat webview */
}

/* ========================================================= */
/* admin extra —— API 版后台管理专用样式                        */
/* ========================================================= */

/* 顶部 toolbar */
.admin-toolbar-top{
  position:sticky;top:0;z-index:20;background:var(--c-bg);
  align-items:center;gap:10px;padding:10px 0;
  border-bottom:1px solid var(--c-border);margin-bottom:14px;
}
.admin-toolbar-top .admin-tab{padding:8px 12px;font-size:14px}
.save-status{
  font-size:12px;color:var(--c-text-2);padding:4px 10px;border-radius:12px;
  background:#e2e8f0;transition:.2s;white-space:nowrap;
}
.save-status.ok     {background:#dbf6e6;color:#0a7c40}
.save-status.saving {background:#e0edff;color:#1d4ed8}
.save-status.pending{background:#fff2d6;color:#8a5a00}
.save-status.err    {background:#fee2e2;color:#b91c1c}
.user-badge{
  font-size:12px;padding:4px 10px;border-radius:12px;
  background:#eff4fb;color:#3059c9;font-weight:500;white-space:nowrap;
}
.hint-text{font-size:12px;color:var(--c-text-3)}

/* 原始 JSON textarea */
.raw-view{
  width:100%;height:260px;font-family:Menlo,Consolas,monospace;font-size:12px;
  padding:10px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;
  color:#334155;resize:vertical;
}

/* 产品行标题 */
.row-title{font-weight:600;margin-bottom:6px;font-size:14px}
.row-id{font-size:11px;color:#94a3b8;font-weight:400;margin-left:6px}

/* Toast */
.toast-wrap{
  position:fixed;top:16px;right:16px;z-index:500;
  display:flex;flex-direction:column;gap:8px;pointer-events:none;
}
.toast{
  min-width:220px;max-width:360px;padding:10px 14px;border-radius:8px;
  background:#1e293b;color:#fff;font-size:13px;line-height:1.45;
  box-shadow:0 6px 18px rgba(15,23,42,.25);
  animation:toastIn .22s ease-out;pointer-events:auto;
}
.toast.ok {background:#0a7c40}
.toast.err{background:#dc2626}
.toast.out{opacity:0;transform:translateX(10px);transition:.35s}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------- 视频卡片（后台） ---------- */
.vadmin-card{
  background:#fff;border-radius:var(--r-sm);box-shadow:var(--sh);
  margin-bottom:10px;overflow:hidden;
}
.vhead{
  display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer;
  border-bottom:1px solid transparent;transition:.15s;
}
.vhead:hover{background:#f8fafc}
.vadmin-card.open .vhead{border-bottom-color:var(--c-border)}
.vhead-title{flex:1;font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vhead-meta{display:flex;gap:4px;flex-shrink:0}
.vhead-actions{display:flex;gap:4px;flex-shrink:0}
.vhead-actions .btn{padding:4px 8px;font-size:12px}
.src-badge{
  font-size:11px;padding:2px 8px;border-radius:10px;font-weight:600;
  flex-shrink:0;letter-spacing:.02em;
}
.badge-ext  {background:#dbeafe;color:#1e40af}
.badge-local{background:#dcfce7;color:#166534}
.tag-mini{font-size:10px;padding:1px 6px;border-radius:4px;background:var(--c-tag-bg);color:var(--c-tag-fg)}
.tag-mini.stat-released   {background:#dbf6e6;color:#0a7c40}
.tag-mini.stat-coming     {background:#fff2d6;color:#8a5a00}
.tag-mini.stat-placeholder{background:#e2e8f0;color:#64748b}
.tag-mini.stat-hidden     {background:#fee2e2;color:#b91c1c}

.vbody{display:none;padding:12px}
.vadmin-card.open .vbody{display:block}
.vbody .fields{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:10px}
@media(max-width:640px){.vbody .fields{grid-template-columns:1fr}}
.vbody input,.vbody textarea,.vbody select{
  width:100%;font:inherit;padding:6px 8px;border:1px solid var(--c-border);
  border-radius:6px;font-size:13px;background:#fff;
}
.vbody textarea{min-height:52px;resize:vertical;margin-top:6px}
.vbody .lbl{font-size:12px;color:var(--c-text-2);margin:8px 0 4px;display:block}

/* 分段控件 */
.seg-group{
  display:inline-flex;background:#eff4fb;padding:3px;border-radius:20px;margin-bottom:6px;
}
.seg{
  padding:6px 14px;font-size:13px;border-radius:16px;color:var(--c-text-2);
  transition:.18s;font-weight:500;
}
.seg.on{background:#fff;color:var(--c-accent);box-shadow:0 1px 4px rgba(15,23,42,.1)}

/* 模式面板 */
.mode-panel{margin-top:6px}
.row-inline{display:flex;gap:6px;align-items:center}
.row-inline input{flex:1}
.url-hint{font-size:12px;margin-top:6px;padding:4px 8px;border-radius:4px;min-height:20px}
.url-hint.ok   {background:#dcfce7;color:#166534}
.url-hint.warn {background:#fef3c7;color:#8a5a00}
.url-hint.muted{background:transparent;color:#94a3b8}

/* 本地文件行 */
.file-row{
  display:flex;gap:8px;align-items:center;padding:8px 10px;
  background:#f8fafc;border:1px solid var(--c-border);border-radius:6px;
  font-size:12px;font-family:Menlo,Consolas,monospace;color:#334155;
  margin-bottom:8px;flex-wrap:wrap;
}
.file-row .file-path{flex:1;word-break:break-all}
.file-row .muted{color:#94a3b8}

/* 拖拽区 */
.dropzone{
  border:2px dashed #cbd5e1;border-radius:8px;padding:20px;
  text-align:center;transition:.18s;background:#fafbfc;
}
.dropzone.drag{border-color:var(--c-accent);background:#eff6ff}
.dropzone .dz-hint{font-size:12px;color:var(--c-text-2);margin-bottom:8px}
.dropzone .btn{padding:6px 14px;font-size:13px}

/* 进度条 */
.progress{
  display:flex;align-items:center;gap:8px;margin-top:8px;
  padding:6px 10px;background:#f1f5f9;border-radius:6px;
}
.progress .bar{
  flex:1;height:8px;background:linear-gradient(90deg,var(--c-accent),#60a5fa);
  border-radius:4px;transition:width .2s;min-width:0;
}
.progress .pct{font-size:12px;color:var(--c-text-2);width:52px;text-align:right;flex-shrink:0}

/* 封面单元格 */
.cover-cell{display:flex;gap:4px;align-items:stretch}
.cover-cell input{flex:1}
.cover-cell .btn-cover{padding:4px 10px;font-size:14px}

/* ---------- 顶部 toolbar 移动端布局 ---------- */
@media(max-width:640px){
  .admin-toolbar-top{flex-wrap:wrap}
  .admin-toolbar-top .admin-tabs{order:-1;width:100%}
  .save-status,.user-badge{font-size:11px;padding:3px 8px}
  .vhead-title{font-size:13px}
  .vhead-actions .btn{padding:3px 6px;font-size:11px}
}