.how-it-works-page .header h1 {
    font-size: clamp(1.6em, 4.5vw, 2.5em);
    text-wrap: balance;
    line-height: 1.6;
}
:lang(ko) .how-it-works-page .header h1 {
    font-size: clamp(1.4em, 4.5vw, 2.6em);
}
:lang(ja) .how-it-works-page .header h1 {
    font-size: clamp(1.3em, 4.5vw, 2.6em);
}
:lang(zh-hans) .how-it-works-page .header h1 {
    font-size: clamp(1.7em, 4.5vw, 2.6em);
    text-wrap: wrap;
}
:lang(zh-hant) .how-it-works-page .header h1 {
    font-size: clamp(1.6em, 4.5vw, 2.6em);
}


.how-it-works-page .header p {
    font-size: clamp(0.9em, 2.5vw, 1.2em);
    text-wrap: balance;
}
:lang(zh-hans) .how-it-works-page .header p,
:lang(zh-hant) .how-it-works-page .header p {
    font-size: clamp(0.95em, 3.5vw, 1.3em);
}

.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

.toc-card {
    margin: 16px 0 32px;
    padding: 16px clamp(20px, 3vw, 30px);
    border-radius: 16px;
    background: var(--card-bg, #fff);
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    counter-reset: toc;
}

.toc-list li a {
    color: var(--text-color);
    display: block;
    padding: clamp(5px, 1.5vw, 10px) clamp(10px, 1.5vw, 12px) clamp(5px, 1.5vw, 10px) 40px;
    line-height: 1.45;
    text-decoration: none;
    border-radius: 12px;
    position: relative;
    font-weight: 500;
    font-size: clamp(0.85em, 2.5vw, 1em);
}
:lang(zh-hans) .toc-list li a,
:lang(zh-hant) .toc-list li a {
    font-size: clamp(0.8em, 2.5vw, 1.15em);
}

.toc-list li a::before {
    counter-increment: toc;
    content: counter(toc) ".";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--muted, #666);
}

.toc-list li a:hover { 
    background: var(--cursor-hover-color); 
}
.toc-list li a:focus-visible {
    outline: 2px solid var(--primary, #ff6a3d);
    outline-offset: 2px;
    background: var(--cursor-hover-color);
}


.theory-section {
    margin: clamp(10px, 5vw, 30px);
    margin-bottom: 40px;
    padding: clamp(20px, 3.5vw, 30px);
    background: var(--result-section-bg);
    border-radius: 15px;
    border-left: 5px solid var(--section-title-border);
}

.theory-section h2 {
    color: var(--second-title-color);
    font-size: clamp(1.45em, 5vw, 2.2em);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.7;
}
:lang(en) .theory-section h2 {
    font-size: clamp(1.4em, 3.5vw, 2em);
}
:lang(ja) .theory-section h2 {
    font-size: clamp(1.35em, 5vw, 2.2em);
}

.theory-section h3 {
    color: var(--text-color);
    font-size: clamp(1.2em, 2.5vw, 1.6em);
    margin: 20px 0 20px 0;
    font-weight: 600;
}

.theory-section p {
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: clamp(0.85em, 2.5vw, 1.1em);
}
:lang(ja) .theory-section p {
    font-size: clamp(0.79em, 2.5vw, 1.1em);
}


#highLightBox1, #highLightBox2 {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1), rgba(107, 157, 255, 0.1));
    padding: clamp(10px, 4.5vw, 25px) clamp(10px, 4.5vw, 25px) clamp(10px, 4.5vw, 25px);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}
#highLightBox1 {
    margin: clamp(20px, 4.5vw, 30px) 0 clamp(20px, 5vw, 30px) 0;
}
#highLightBox2 {
    margin: clamp(20px, 4.5vw, 30px) 0 clamp(45px, 10vw, 60px) 0;
}

#highLightBox1 h3, #highLightBox2 h3 {
    font-size: clamp(1.05em, 2.5vw, 1.3em) !important;
    color: var(--text-color);
    margin-bottom: clamp(20px, 3.5vw, 30px) !important;
}
#highLightBox2 h3 {
    margin-top: 20px !important;
}
:lang(zh-hans) #highLightBox1 h3, :lang(zh-hant) #highLightBox2 h3, 
:lang(zh-hant) #highLightBox1 h3, :lang(zh-hans) #highLightBox2 h3 {
    font-size: clamp(1.1em, 3.5vw, 1.5em) !important;
}

#highLightBox1 ul, #highLightBox2 ul {
    color: var(--text-color);
    line-height: 1.7;
    padding-left: 10px;
    list-style: none;
}

#highLightBox1 li, #highLightBox2 li {
    margin-bottom: 8px;
    font-size: clamp(0.8em, 3.5vw, 1.1em);
}


.result-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(10px, 2.5vw, 20px);
    margin: clamp(20px, 4.5vw, 30px) 0 clamp(45px, 10vw, 60px) 0
}

.result-info-item {
    display: flex;
    align-items: flex-start;
    gap: clamp(10px, 2.5vw, 15px);
    background: var(--share-section-bg);
    padding: clamp(15px, 2.5vw, 20px) clamp(10px, 2.5vw, 20px);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.result-emoji {
    font-size: clamp(1.5em, 3.5vw, 2.5em);
    flex-shrink: 0;
}

.result-content h4 {
    color: var(--text-color);
    margin-bottom: clamp(5px, 2.5vw, 10px);
    font-size: clamp(0.9em, 2.5vw, 1.1em);
}

.result-content p {
    color: var(--text-color);
    font-size: clamp(0.8em, 2.5vw, 0.95em);
    line-height: 1.6;
    margin: 0;
}

.usage-tips-list {
    border-radius: 15px;
    padding: 10px 25px 30px;
    color: var(--text-color);
    line-height: 1.7;
    font-size: clamp(0.85em, 2.5vw, 1.1em);
}

.usage-tips-list li {
    margin-bottom: 12px;
}

.usage-tips-list li:last-child {
    margin-bottom: 0;
}

.usage-tips-list strong {
    color: var(--text-color);
    font-weight: 600;
}

.result-preview-cta {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1), rgba(107, 157, 255, 0.1));
    padding: clamp(20px, 4.5vw, 25px);
    border-radius: 15px;
    margin: clamp(15px, 3.5vw, 25px) 0 50px 0;
    text-align: center;
    border: 1px solid var(--border-color);
}

.result-preview-cta h4 {
    color: var(--text-color);
    margin-bottom: clamp(20px, 4.5vw, 25px);
    font-size: clamp(1.3em, 2.5vw, 1.5em);
}
:lang(en) .result-preview-cta h4 {
    font-size: clamp(1.2em, 2.5vw, 1.5em);
}
:lang(zh-hans) .result-preview-cta h4,
:lang(zh-hant) .result-preview-cta h4 {
    font-size: clamp(1.3em, 3.5vw, 1.8em);
    text-wrap: balance;
    line-height: 1.6;
}

.result-preview-cta p {
    color: var(--text-color);
    margin-bottom: clamp(20px, 4.5vw, 30px);
    line-height: 1.6;
}
:lang(en) .result-preview-cta p {
    text-wrap: balance;
}
:lang(zh-hans) .result-preview-cta p,
:lang(zh-hant) .result-preview-cta p {
    font-size: clamp(0.85em, 3.5vw, 1.2em) !important;
}

.preview-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white !important;
    padding: clamp(8px, 2vw, 12px) clamp(30px, 5vw, 50px);
    font-size: clamp(0.8em, 2.2vw, 1.3em);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
    cursor: pointer;
    animation: buttonPulse 2s ease-in-out infinite;
    text-decoration: none !important;
}
:lang(zh-hans) .preview-link,
:lang(zh-hant) .preview-link {
    font-size: clamp(1em, 3vw, 1.5em) !important;
}
:lang(ja) .preview-link {
    
}

.preview-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.4);
    text-decoration: none !important;
    color: white !important;
}

.how-it-works-page a {
    color: var(--link-color);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.how-it-works-page a:hover {
    color: var(--link-hover-color);
    text-decoration: none;
}


.process-step {
    background: var(--card-bg);
    padding: clamp(10px, 2.5vw, 20px) clamp(10px, 2.5vw, 20px);
    border-radius: 15px;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-wrap: balance;
}

.result-info-item:hover, .process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.process-step:last-child::after {
    display: none;
}

.matching-process-infographic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: clamp(10px, 2.5vw, 20px);
    margin: clamp(30px, 4.5vw, 50px) 0 clamp(30px, 5vw, 40px) 0;
}

.step-number {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: clamp(0.7em, 2.5vw, 1em);
    font-weight: 600;
    display: inline-block;
}

.step-icon {
    font-size: clamp(2em, 2.5vw, 3em);
}

.process-step h3 {
    color: var(--text-color);
    margin-bottom: 10px;
    font-size: clamp(0.95em, 2.5vw, 1.1em);
}
:lang(zh-hans) .process-step h3,
:lang(zh-hant) .process-step h3 {
    font-size: clamp(1em, 3vw, 1.3em);
}

.process-step p {
    color: var(--text-color);
    font-size: clamp(0.8em, 2.5vw, 0.95em);
    text-wrap: balance;
}


.algorithm-section h3 {
    color: var(--text-color);
    margin: 40px 0 clamp(20px, 4.5vw, 30px) 0 !important;
    padding-left: 10px;
    border-left: 4px solid var(--primary-color);
}

.algorithm-section {
    margin-bottom: 40px;
}

.algorithm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: clamp(10px, 2vw, 20px);
}

.algorithm-item {
    display: flex;
    align-items: flex-start;
    gap: clamp(10px, 2vw, 15px);
    background: var(--share-section-bg);
    padding: clamp(10px, 2vw, 20px) clamp(5px, 2vw, 10px);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.algorithm-emoji {
    font-size: clamp(1.5em, 2.5vw, 2.5em);
    flex-shrink: 0;
}

.algorithm-content h4 {
    color: var(--text-color);
    margin-bottom: 8px;
    font-size: clamp(0.9em, 2.5vw, 1.1em);
}
:lang(zh-hans) .algorithm-content h4,
:lang(zh-hant) .algorithm-content h4 {
    font-size: clamp(1em, 3vw, 1.2em);
}

.algorithm-content p {
    color: var(--text-color);
    font-size: clamp(0.8em, 2.5vw, 0.95em);
    line-height: 1.6;
    text-wrap: balance;
}

.algorithm-content .info-tooltip {
    position: relative;
    cursor: pointer;
}

.algorithm-content .info-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    backdrop-filter: blur(10px);
    color: var(--text-color);
    padding: 10px 12px;
    border-radius: 15px;
    font-size: clamp(0.85em, 1.5vw, 0.9em);
    line-height: 1.4;
    white-space: normal;
    max-width: clamp(200px, 40vw, 400px);
    width: max-content;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    text-wrap: balance;
}

.algorithm-content .info-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--card-bg);
    z-index: 1000;
}



@media (max-width: 768px) {

    .algorithm-grid {
        text-align: center;
        position: relative;
    }

    .algorithm-item {
        flex-wrap: wrap;
        justify-content: center;
    }

    .result-info-grid {
        grid-template-columns: 1fr;
    }

}


@media (min-width: 720px) {
    .toc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}