/* ============================================================
   聚鑫工作室 · 资源下载页样式
   ============================================================ */
:root {
  --bg0: #04060d;
  --panel: rgba(15, 23, 42, 0.58);
  --line: rgba(96, 140, 255, 0.16);
  --line-2: rgba(96, 140, 255, 0.3);
  --cyan: #22d3ee;
  --blue: #4f7cff;
  --purple: #a855f7;
  --green: #34d399;
  --amber: #fbbf24;
  --text: #e8f1ff;
  --muted: #93a7c9;
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: Consolas, "JetBrains Mono", "Courier New", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font);
  background: var(--bg0);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
input { font-family: inherit; font-size: inherit; }
::selection { background: rgba(34, 211, 238, 0.35); }
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: #1c2b4d; border-radius: 5px; }

.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(80, 140, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 140, 255, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
}
.bg-glow {
  position: fixed; z-index: -1; top: -220px; left: 50%; transform: translateX(-50%);
  width: 720px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.16), rgba(168, 85, 247, 0.08) 50%, transparent 72%);
  filter: blur(60px); pointer-events: none;
}

/* ---------- 顶栏 ---------- */
.d-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.d-logo { display: flex; align-items: center; gap: 11px; }
.d-logo b {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 11px; overflow: hidden;
  color: #03121a; background: linear-gradient(135deg, #67e8f9, #4f7cff);
  box-shadow: 0 6px 20px rgba(79, 124, 255, 0.3);
}
.d-logo b img { width: 100%; height: 100%; display: block; object-fit: cover; }
.d-logo span { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.d-logo em {
  display: block; font-size: 9px; letter-spacing: 2.5px;
  color: var(--muted); font-weight: 400; font-style: normal;
}
.d-back {
  font-size: 13px; color: var(--muted);
  padding: 8px 15px; border: 1px solid var(--line); border-radius: 9px;
  transition: 0.24s;
}
.d-back:hover { color: var(--cyan); border-color: rgba(34, 211, 238, 0.5); }

/* ---------- 主体 ---------- */
.d-main { max-width: 940px; margin: 0 auto; padding: 44px 24px 70px; }

.d-intro { margin-bottom: 28px; }
.d-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; letter-spacing: 2px; color: var(--cyan);
  padding: 6px 14px; border-radius: 999px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.24);
}
.d-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.d-intro h1 { font-size: clamp(1.7rem, 4vw, 2.2rem); letter-spacing: 1px; margin: 16px 0 10px; }
.d-intro p { color: var(--muted); font-size: 14.5px; max-width: 620px; }

/* 搜索条 */
.d-bar { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.d-search {
  flex: 1;
  background: rgba(8, 14, 28, 0.72);
  border: 1px solid rgba(90, 140, 255, 0.22);
  border-radius: 10px; padding: 11px 14px; font-size: 13.5px;
  color: var(--text);
  transition: 0.22s;
}
.d-search:focus { outline: none; border-color: rgba(34, 211, 238, 0.6); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12); }
.d-search::placeholder { color: rgba(147, 167, 201, 0.55); }
.d-count { font-size: 12.5px; color: var(--muted); font-family: var(--mono); white-space: nowrap; }

/* 列表 */
.d-list { display: flex; flex-direction: column; gap: 14px; }

.d-card {
  display: flex; align-items: center; gap: 18px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  transition: 0.26s;
}
.d-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 14px 40px rgba(34, 211, 238, 0.1);
}
.d-icon {
  width: 46px; height: 46px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 12px;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.28);
}
.d-icon svg { width: 24px; height: 24px; display: block; }

/* 按文件类型配色 */
.d-ic-zip  { color: #fbbf24; background: rgba(251, 191, 36, 0.1); border-color: rgba(251, 191, 36, 0.3); }
.d-ic-pdf  { color: #f87171; background: rgba(248, 113, 113, 0.1); border-color: rgba(248, 113, 113, 0.3); }
.d-ic-hex  { color: #34d399; background: rgba(52, 211, 153, 0.1); border-color: rgba(52, 211, 153, 0.3); }
.d-ic-pcb  { color: #a855f7; background: rgba(168, 85, 247, 0.1); border-color: rgba(168, 85, 247, 0.3); }
.d-ic-xls  { color: #34d399; background: rgba(52, 211, 153, 0.1); border-color: rgba(52, 211, 153, 0.3); }
.d-ic-net  { color: #22d3ee; background: rgba(34, 211, 238, 0.1); border-color: rgba(34, 211, 238, 0.3); }
.d-ic-file { color: #93a7c9; background: rgba(147, 167, 201, 0.1); border-color: rgba(147, 167, 201, 0.28); }

.d-main-col { flex: 1; min-width: 0; }
.d-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.d-title h3 { font-size: 16px; letter-spacing: 0.3px; }
.d-ver {
  padding: 2px 9px; border-radius: 6px;
  font-size: 11.5px; font-family: var(--mono);
  color: var(--amber);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
}
.d-net {
  padding: 2px 9px; border-radius: 6px;
  font-size: 11px; letter-spacing: 0.5px;
  color: #7dd3fc;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.24);
}
.d-desc { font-size: 13px; color: var(--muted); margin-top: 6px; word-break: break-word; }
.d-meta-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 9px; }
.d-meta { font-size: 11.5px; color: rgba(147, 167, 201, 0.55); font-family: var(--mono); }

/* 提取码 */
.d-code { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.d-code b {
  font-family: var(--mono); font-size: 13px; letter-spacing: 1px;
  color: var(--amber);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 6px; padding: 2px 9px;
}
.d-code-alt b {
  color: #7dd3fc;
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.3);
}
.d-copy {
  font-family: inherit; font-size: 11.5px;
  color: var(--cyan); cursor: pointer;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 6px; padding: 3px 10px;
  transition: 0.22s;
}
.d-copy:hover { background: rgba(34, 211, 238, 0.18); color: #fff; }
.d-copy.ok { color: var(--green); border-color: rgba(52, 211, 153, 0.5); background: rgba(52, 211, 153, 0.12); }

.d-acts {
  flex: 0 0 auto;
  display: flex; flex-direction: column; gap: 8px; align-items: stretch;
}
.d-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 20px; border-radius: 10px;
  font-size: 13.5px; font-weight: 600; white-space: nowrap;
  color: #03121a;
  background: linear-gradient(90deg, #22d3ee, #4f7cff);
  transition: 0.26s;
}
.d-btn span { transition: transform 0.26s; }
.d-btn:hover { filter: brightness(1.1); box-shadow: 0 8px 26px rgba(34, 211, 238, 0.28); }
.d-btn:hover span { transform: translate(2px, -2px); }

/* 备用下载：低调一点，别抢主按钮 */
.d-btn-alt {
  padding: 8px 16px; font-size: 12.5px; font-weight: 500;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-2);
}
.d-btn-alt:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(34, 211, 238, 0.5);
  filter: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.d-empty {
  padding: 60px 20px; text-align: center;
  color: var(--muted); font-size: 14px;
  border: 1px dashed var(--line-2); border-radius: 16px;
}
.d-empty b { display: block; color: var(--text); font-size: 15px; margin-bottom: 8px; }

/* 底部说明 */
.d-note {
  margin-top: 30px; padding: 22px 26px;
  border: 1px dashed var(--line-2); border-radius: 14px;
}
.d-note b { font-size: 13.5px; color: #cfe0ff; }
.d-note p { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.9; }
.d-contact {
  display: inline-block; margin-top: 14px;
  font-size: 13px; font-weight: 600; color: #7dd3fc;
  padding: 8px 18px; border-radius: 9px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(34, 211, 238, 0.06);
  transition: 0.24s;
}
.d-contact:hover { color: #fff; border-color: rgba(34, 211, 238, 0.6); background: rgba(34, 211, 238, 0.14); }

.d-foot {
  border-top: 1px solid var(--line);
  padding: 22px 28px;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(147, 167, 201, 0.6);
}
.d-foot a:hover { color: var(--cyan); }

/* 分节标题（诚招精英页用，下载页不引用） */
.d-sec { margin: 38px 0 16px; }
.d-sec h2 { font-size: 19px; letter-spacing: 0.6px; }
.d-sec p { font-size: 13.5px; color: var(--muted); margin-top: 6px; }
.d-card .d-title a:hover { color: var(--cyan); }

@media (max-width: 640px) {
  .d-main { padding: 30px 16px 60px; }
  .d-header { padding: 12px 16px; }
  .d-card { flex-wrap: wrap; gap: 14px; padding: 16px 16px; }
  .d-main-col { flex: 1 1 100%; order: 2; }
  .d-icon { order: 1; }
  .d-acts { order: 3; width: 100%; }
  .d-btn { width: 100%; justify-content: center; }
  .d-bar { flex-direction: column; align-items: stretch; gap: 8px; }
  .d-count { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}