.v28-guide-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(56,189,248,.55);background:linear-gradient(135deg,rgba(14,165,233,.16),rgba(99,102,241,.12));color:#bae6fd;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;cursor:pointer}.v28-guide-btn:hover{background:rgba(14,165,233,.24);color:#fff}.v28-guide-backdrop{position:fixed;inset:0;z-index:9999;background:rgba(2,6,23,.76);display:none;align-items:center;justify-content:center;padding:16px}.v28-guide-backdrop.show{display:flex}.v28-guide-modal{width:min(1080px,96vw);max-height:88vh;overflow:auto;border-radius:22px;border:1px solid rgba(56,189,248,.28);background:radial-gradient(circle at top left,rgba(14,165,233,.16),transparent 34%),linear-gradient(145deg,rgba(15,23,42,.98),rgba(2,6,23,.98));box-shadow:0 24px 90px rgba(0,0,0,.55);color:#e5e7eb}.v28-guide-head{position:sticky;top:0;z-index:2;padding:18px 20px;border-bottom:1px solid rgba(148,163,184,.18);background:rgba(15,23,42,.96);backdrop-filter:blur(12px);display:flex;justify-content:space-between;gap:12px;align-items:start}.v28-guide-title{margin:0;font-size:20px;color:#e0f2fe}.v28-guide-sub{color:#94a3b8;font-size:13px;margin-top:4px}.v28-guide-close{border:1px solid rgba(148,163,184,.25);background:rgba(15,23,42,.8);color:#cbd5e1;border-radius:12px;padding:6px 10px;cursor:pointer}.v28-guide-body{padding:18px 20px 22px}.v28-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.v28-source-card{border:1px solid rgba(51,65,85,.85);border-radius:16px;padding:13px;background:rgba(15,23,42,.72)}.v28-source-card h4{margin:0 0 8px;font-size:15px;color:#7dd3fc}.v28-source-line{color:#cbd5e1;font-size:12.5px;line-height:1.55;margin:4px 0}.v28-source-line b{color:#f8fafc}.v28-manual{margin-top:16px;border-top:1px dashed rgba(148,163,184,.28);padding-top:14px}.v28-manual h3{font-size:16px;color:#facc15;margin-bottom:10px}@media(max-width:720px){.v28-guide-modal{width:100vw;max-height:92vh;border-radius:18px}.v28-guide-grid{grid-template-columns:1fr}.v28-guide-head{padding:14px}.v28-guide-body{padding:14px}}