:root {
    --bg: #0f1117;
    --card: #171a23;
    --card-hover: #1e2230;
    --border: #2a2f3e;
    --text: #e8eaf0;
    --muted: #9aa3b5;
    --accent: #5b8cff;
    --accent2: #7c5bff;
    --green: #34d399;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  * { -webkit-tap-highlight-color: transparent; }
  button:focus, button:focus-visible, button:active { outline: none; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
  }
  .hero {
    text-align: center;
    padding: 48px 24px 32px;
    background:
      radial-gradient(ellipse 60% 50% at 50% -10%, rgba(91,140,255,0.18), transparent),
      radial-gradient(ellipse 50% 40% at 80% 10%, rgba(124,91,255,0.12), transparent);
  }
  .hero h1 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(120deg, #e8eaf0, #5b8cff 60%, #7c5bff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 16px;
  }
  .star-btn {
    -webkit-text-fill-color: initial;
    background: transparent;
    border: none;
    font-size: 1.9rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: transform 0.2s ease;
    filter: drop-shadow(0 0 6px rgba(255,215,0,0.4));
    -webkit-tap-highlight-color: transparent;
    outline: none;
    -webkit-touch-callout: none;
    user-select: none;
  }
  .star-btn:focus, .star-btn:active, .star-btn:focus-visible {
    outline: none;
    border: none;
    -webkit-tap-highlight-color: transparent;
  }
  .star-btn:hover { transform: scale(1.25) rotate(15deg); }
  .star-btn.twinkle { animation: twinkle 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
  @keyframes twinkle {
    0% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 6px rgba(255,215,0,0.4)); }
    35% { transform: scale(1.6) rotate(20deg); filter: drop-shadow(0 0 22px rgba(255,215,0,0.95)); }
    70% { transform: scale(0.85) rotate(-8deg); filter: drop-shadow(0 0 12px rgba(255,215,0,0.7)); }
    100% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 6px rgba(255,215,0,0.4)); }
  }
  .hero p {
    color: var(--muted);
    margin-top: 12px;
    font-size: 1.05rem;
  }
  .grid {
    max-width: 560px;
    margin: 0 auto;
    padding: 16px 24px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
  }
  .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
    color: inherit;
    display: block;
  }
  .card:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    transform: translateY(-3px);
  }
  .card .icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(91,140,255,0.2), rgba(124,91,255,0.2));
  }
  .card h2 { font-size: 1.05rem; margin-bottom: 2px; }
  .card p { color: var(--muted); font-size: 0.8rem; }
  .card .tag {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--green);
    background: rgba(52,211,153,0.12);
    padding: 3px 10px;
    border-radius: 20px;
  }
  .footer {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    padding: 20px 24px 28px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }
  /* ===== 手机端优化(响应式,屏幕≤768px自动应用) ===== */
  @media (max-width: 768px) {
    .hero { padding: 32px 16px 24px; }
    .hero h1 { font-size: 1.7rem; gap: 10px; }
    .hero p { font-size: 0.92rem; margin-top: 8px; }
    .star-btn { font-size: 1.5rem; }
    .grid {
      grid-template-columns: 1fr;   /* 手机单列 */
      gap: 14px;
      padding: 16px 16px 40px;
    }
    .card { padding: 18px; border-radius: 14px; }
    .card .icon { width: 42px; height: 42px; font-size: 1.4rem; margin-bottom: 10px; }
    .card h2 { font-size: 1.1rem; }
    .card p { font-size: 0.85rem; }
    .modal-box { padding: 20px; width: 92vw; }
    .modal-box h2 { font-size: 1.1rem; }
    .btn { padding: 12px; font-size: 0.92rem; }
    .node-panel .qr-box img { width: 170px; height: 170px; }
    .sub-link { font-size: 0.78rem; }
  }
  /* 弹窗 */
  .modal-mask {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55);
    z-index: 999; opacity: 0; pointer-events: none; transition: opacity 0.2s;
    display: flex; align-items: center; justify-content: center;
  }
  .modal-mask.show { opacity: 1; pointer-events: auto; }
  .modal-box {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px;
    padding: 28px; width: 420px; max-width: 92vw; box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  }
  .modal-box h2 { font-size: 1.2rem; margin-bottom: 6px; }
  .modal-box .mdesc { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
  .modal-box input[type="password"] {
    width: 100%; padding: 11px 14px; border-radius: 9px; border: 1px solid var(--border);
    background: var(--bg); color: var(--text); font-size: 1rem; margin-bottom: 14px;
  }
  .modal-box input[type="password"]:focus { outline: none; border-color: var(--accent); }
  .pwd-wrap { position: relative; margin-bottom: 14px; }
  .pwd-wrap input[type="password"], .pwd-wrap input[type="text"] {
    width: 100%; padding: 11px 46px 11px 14px; border-radius: 9px; border: 1px solid var(--border);
    background: var(--bg); color: var(--text); font-size: 1rem; box-sizing: border-box; margin-bottom: 0 !important;
  }
  .pwd-wrap input:focus { outline: none; border-color: var(--accent); }
  .eye-btn {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.3); border-radius: 8px;
    width: 38px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    padding: 0; cursor: pointer; transition: background 0.15s, border-color 0.15s;
    z-index: 2; line-height: 1;
    -webkit-tap-highlight-color: transparent;
    outline: none;
  }
  .eye-btn:focus, .eye-btn:active { outline: none; -webkit-tap-highlight-color: transparent; }
  .eye-btn:hover { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.5); }
  .eye-btn svg { width: 20px; height: 20px; color: #ffffff; }
  .btn-row { display: flex; gap: 10px; }
  .btn {
    flex: 1; padding: 11px; border-radius: 9px; border: none; font-size: 0.95rem;
    font-weight: 600; cursor: pointer;
  }
  .btn-primary { background: linear-gradient(120deg, var(--accent), var(--accent2)); color: #fff; }
  .btn-ghost { background: var(--card-hover); color: var(--text); border: 1px solid var(--border); }
  .err-msg { color: #f87171; font-size: 0.85rem; min-height: 1.2em; margin-top: -6px; margin-bottom: 8px; }
  /* 隐藏面板 */
  .node-panel { text-align: center; }
  .node-panel .qr-box { margin: 6px auto 16px; }
  .node-panel .qr-box img { width: 190px; height: 190px; border-radius: 12px; background: #fff; padding: 8px; }
  .node-panel .sub-link {
    display: block; word-break: break-all; color: var(--accent); font-size: 0.85rem;
    background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
    padding: 10px 12px; margin-bottom: 12px; text-align: left;
  }
  .node-panel .hint { color: var(--muted); font-size: 0.8rem; }
  .copy-btn {
    background: linear-gradient(120deg, var(--accent), var(--accent2)); color: #fff; border: none;
    border-radius: 8px; padding: 9px 18px; font-size: 0.9rem; font-weight: 600; cursor: pointer;
  }
  .copy-btn.done { background: var(--green); }

.hint-mt{margin-top:10px}
.btn-row-mt{margin-top:16px}


.panel-content{color:#e8eaf0;font-size:0.9rem;word-break:break-all;padding:14px 0}
.panel-empty{color:#9aa3b5;font-size:0.9rem;padding:24px 0}