h1 {
    font-size: 2.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1.2;
}
h1 .highlight { color: #f97316; }
.subhead {
    font-size: 1.05rem;
    color: #a0a0a0;
    margin-bottom: 40px;
    border-left: 4px solid #f97316;
    padding-left: 20px;
    line-height: 1.6;
}
.question-block {
    background: #151515;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
    border: 1px solid #2a2a2a;
    transition: border-color 0.2s;
}
.question-block:hover {
    border-color: #3a3a3a;
}
.question-block .q {
    font-weight: 600;
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 10px;
}
.question-block .q .num {
    color: #f97316;
    margin-right: 6px;
}
.options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}
.options label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #c0c0c0;
    font-size: 0.92rem;
    cursor: pointer;
}
.options input[type="radio"] {
    accent-color: #f97316;
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}
.btn {
    display: inline-block;
    background: #f97316;
    color: #0c0c0c;
    font-weight: 600;
    padding: 14px 48px;
    border-radius: 40px;
    border: none;
    font-size: 1.05rem;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    margin-top: 12px;
}
.btn:hover {
    background: #e85d0e;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.result-block {
    display: none;
    background: #151515;
    border-radius: 12px;
    padding: 24px 28px;
    margin-top: 24px;
    border-left: 4px solid #f97316;
}
.result-block.visible {
    display: block;
}
.result-block .rec-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.result-block .rec-desc {
    color: #c0c0c0;
    font-size: 0.95rem;
    margin-bottom: 12px;
}
.result-block .rec-detail {
    color: #b0b0b0;
    font-size: 0.9rem;
    border-top: 1px solid #2a2a2a;
    padding-top: 12px;
    margin-top: 8px;
}
.result-block .rec-detail strong {
    color: #ffffff;
}
.result-block .btn-small {
    display: inline-block;
    background: #f97316;
    color: #0c0c0c;
    font-weight: 600;
    padding: 10px 28px;
    border-radius: 40px;
    text-decoration: none;
    font-size: 0.95rem;
    margin-top: 12px;
    transition: background 0.2s;
}
.result-block .btn-small:hover {
    background: #e85d0e;
}
.result-block .green { border-left-color: #51cf66; }
.result-block .green .rec-title { color: #51cf66; }
.result-block .orange { border-left-color: #f97316; }
.result-block .orange .rec-title { color: #f97316; }
.result-block .red { border-left-color: #ff6b6b; }
.result-block .red .rec-title { color: #ff6b6b; }

.nav-links {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.nav-links a {
    color: #888;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
    font-size: 0.9rem;
}
.nav-links a:hover {
    border-bottom-color: #f97316;
    color: #e0e0e0;
}
@media (max-width: 768px) {
    .container { padding: 30px 16px; }
    h1 { font-size: 1.8rem; }
    .options { gap: 6px 12px; }
    .options label { font-size: 0.85rem; }
}