@charset "UTF-8";
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f0f4f8; color: #1a1a2e; }
.vol-app { max-width: 720px; margin: 0 auto; padding: 16px 16px 48px; }
.vol-header { text-align: center; padding: 24px 0 8px; }
.vol-header h1 { margin: 0 0 8px; font-size: 1.5rem; color: #1565c0; }
.vol-header p { margin: 0; font-size: 0.9rem; color: #666; }
.vol-step { background: #fff; border-radius: 12px; padding: 16px; margin-bottom: 14px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.vol-step h2 { margin: 0 0 12px; font-size: 1rem; color: #333; }
.vol-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.vol-grid-majors { max-height: 280px; overflow-y: auto; }
.vol-chip { cursor: pointer; }
.vol-chip input { display: none; }
.vol-chip span { display: inline-block; padding: 8px 14px; border: 1px solid #ddd; border-radius: 20px; font-size: 0.85rem; background: #fafafa; transition: all .2s; }
.vol-chip input:checked + span { background: #1565c0; color: #fff; border-color: #1565c0; }
.vol-score-input { width: 100%; padding: 14px; font-size: 1.25rem; border: 1px solid #ddd; border-radius: 8px; margin-bottom: 12px; }
.vol-ai-opt { display: block; margin-bottom: 14px; font-size: 0.9rem; color: #555; }
.vol-btn-primary { width: 100%; padding: 14px; font-size: 1rem; border: none; border-radius: 8px; background: linear-gradient(135deg, #1976d2, #1565c0); color: #fff; cursor: pointer; }
.vol-btn-primary:disabled { opacity: 0.6; }
.vol-result { background: #fff; border-radius: 12px; padding: 16px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.vol-result h2 { margin: 0 0 12px; font-size: 1.1rem; }
.vol-hide { display: none; }
.vol-empty { color: #999; font-size: 0.9rem; }
.vol-ai-box { background: #e3f2fd; border-radius: 8px; padding: 12px; margin-bottom: 14px; font-size: 0.9rem; line-height: 1.6; }
.vol-ai-box h3 { margin: 0 0 8px; font-size: 0.95rem; }
.vol-result-list table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.vol-result-list th, .vol-result-list td { border-bottom: 1px solid #eee; padding: 8px 4px; text-align: left; vertical-align: top; }
.vol-result-list th { color: #666; font-weight: 600; }
.vol-result-list small { display: block; color: #999; font-size: 0.75rem; }