@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 키워드 입력 방법 가이드 전용 스타일 */
.keyword-guide-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.keyword-guide-box {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 111, 15, 0.2);
    transition: all 0.4s ease;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.keyword-guide-box:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 111, 15, 0.4);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 111, 15, 0.3);
    transform: translateY(-4px);
}

.keyword-guide-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.keyword-guide-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(255, 111, 15, 0.2), rgba(255, 140, 66, 0.2));
    border: 1px solid rgba(255, 111, 15, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 111, 15, 0.2);
    transition: all 0.3s ease;
}

.keyword-guide-box:hover .keyword-guide-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 6px 18px rgba(255, 111, 15, 0.3);
}

.keyword-guide-icon i {
    color: #FF6F0F;
    font-size: 22px;
}

.keyword-guide-title {
    background: linear-gradient(135deg, #FF6F0F, #FFB84D);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 20px;
    font-weight: 800;
}

.keyword-guide-desc {
    margin: 0 0 16px 0;
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
}

.keyword-guide-highlight {
    color: #FF6F0F;
    font-weight: 700;
}

.keyword-guide-text {
    color: rgba(255, 255, 255, 0.95);
}

.keyword-guide-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.keyword-guide-note strong {
    color: #FF6F0F;
}

.keyword-guide-examples {
    padding: 24px 28px;
    background: rgba(255, 111, 15, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 111, 15, 0.3);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.keyword-guide-example-item {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 111, 15, 0.2);
}

.keyword-guide-example-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.keyword-guide-example-number {
    font-size: 13px;
    font-weight: 700;
    color: #FF6F0F;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.keyword-guide-example-input {
    margin-bottom: 8px;
    font-size: 15px;
}

.keyword-guide-label {
    color: #FF6F0F;
}

.keyword-guide-label-exclude {
    color: #dc3545;
}

.keyword-guide-value {
    color: #fff;
    font-weight: 700;
}

.keyword-guide-value:first-of-type {
    text-shadow: 0 0 8px rgba(255, 111, 15, 0.5);
}

.keyword-guide-separator {
    color: #888;
    margin: 0 8px;
}

.keyword-guide-example-result {
    font-size: 13px;
    color: #bbb;
    line-height: 1.6;
}

.keyword-guide-example-result strong {
    color: #FF6F0F;
}

.keyword-guide-exclude-text {
    color: #dc3545;
}

.keyword-guide-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.keyword-guide-info .keyword-guide-desc {
    margin: 0;
}

.keyword-guide-tip {
    display: inline-block;
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.7;
}

/* 모바일 최적화 */
@media (max-width: 768px) {
    .keyword-guide-container {
        margin-top: 20px;
        gap: 15px;
    }

    .keyword-guide-box {
        padding: 18px;
        border-radius: 10px;
    }

    .keyword-guide-header {
        gap: 10px;
        margin-bottom: 12px;
    }

    .keyword-guide-icon {
        width: 32px;
        height: 32px;
    }

    .keyword-guide-icon i {
        font-size: 18px;
    }

    .keyword-guide-title {
        font-size: 16px;
    }

    .keyword-guide-desc {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 14px;
    }

    .keyword-guide-examples {
        padding: 16px 18px;
        font-size: 14px;
    }

    .keyword-guide-example-item {
        margin-bottom: 14px;
        padding-bottom: 14px;
    }

    .keyword-guide-example-number {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .keyword-guide-example-input {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 4px;
        margin-bottom: 8px;
        font-size: 14px;
    }

    .keyword-guide-separator {
        margin: 0 4px;
    }

    .keyword-guide-example-result {
        font-size: 12px;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    .keyword-guide-box {
        padding: 16px;
    }

    .keyword-guide-title {
        font-size: 15px;
    }

    .keyword-guide-desc {
        font-size: 14px;
    }

    .keyword-guide-examples {
        padding: 14px 16px;
        font-size: 13px;
    }

    .keyword-guide-example-number {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .keyword-guide-example-input {
        font-size: 13px;
    }

    .keyword-guide-example-result {
        font-size: 11px;
    }
}