:root {
    --bg-primary: #F6F4EF;
    --bg-secondary: #EBE9E1;
    --bg-card: #FFFFFF;
    --bg-accent: #D4DDD2;
    --text-primary: #1A1A1A;
    --text-secondary: #5A5A5A;
    --text-muted: #8A8A7A;
    --accent: #4A6B5A;
    --accent-light: #6B9B7E;
    --accent-dark: #2E4A3C;
    --highlight: #D4A574;
    --highlight-light: #E8C9A0;
    --border: #D8D5CC;
    --shadow: rgba(26, 26, 26, 0.06);
    --shadow-md: rgba(26, 26, 26, 0.10);
    --radius: 12px;
    --radius-lg: 20px;
    --font-zh: 'Noto Sans TC', sans-serif;
    --font-en: 'DM Sans', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-zh);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(246, 244, 239, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

nav .logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--accent-dark);
    letter-spacing: -0.5px;
    text-decoration: none;
}

nav .nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav .nav-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    letter-spacing: 0.2px;
}

nav .nav-links a:hover {
    color: var(--accent);
}

nav .nav-links a.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--accent-dark);
    color: white;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(46, 74, 60, 0.2);
    transition: all 0.2s ease;
}

nav .nav-links a.nav-cta:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}

.lang-toggle {
    display: flex;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.lang-toggle button {
    padding: 4px 12px;
    border: none;
    background: transparent;
    font-size: 0.75rem;
    font-family: var(--font-en);
    font-weight: 600;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
}

.lang-toggle button.active {
    background: var(--accent);
    color: white;
}

/* SECTION COMMON */
section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

/* HERO */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--bg-accent) 0%, transparent 70%);
    opacity: 0.6;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--highlight-light) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-light);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.hero h1 .en-sub {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

.hero .tagline {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 1.5rem 0 2.5rem;
    line-height: 1.9;
    max-width: 560px;
}

.hero .tagline .en {
    display: block;
    font-family: var(--font-en);
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-trust {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
    max-width: 560px;
    line-height: 1.7;
}

.hero-trust .lang-en {
    display: block;
    font-family: var(--font-en);
    margin-top: 0.2rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 32px;
    background: var(--accent-dark);
    color: white;
    border: none;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-zh);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(46, 74, 60, 0.25);
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(46, 74, 60, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-zh);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(74, 107, 90, 0.04);
}

/* PAIN POINTS */
.pain-section {
    background: var(--accent-dark);
    color: white;
    position: relative;
}

.pain-section .section-label {
    color: var(--highlight-light);
}

.pain-section .section-title {
    color: white;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.pain-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all 0.3s ease;
}

.pain-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.pain-card .icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.pain-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--highlight-light);
}

.pain-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

.pain-card .en {
    font-family: var(--font-en);
    font-size: 0.8rem;
    display: block;
    margin-top: 0.5rem;
    color: rgba(255, 255, 255, 0.4);
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--shadow-md);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.service-card .en-title {
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.service-tags span {
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    margin-top: 1.5rem;
    transition: color 0.2s, gap 0.2s;
}

.service-cta:hover {
    color: var(--accent-dark);
    gap: 0.5rem;
}

/* INDUSTRIES */
.industries-section {
    background: var(--bg-secondary);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.industry-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.industry-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.industry-item .icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.industry-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.industry-item .en {
    font-family: var(--font-en);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* CASE STUDIES */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.cases-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--shadow-md);
}

.case-header {
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid var(--border);
}

.case-type {
    font-family: var(--font-en);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.case-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.case-body {
    padding: 1.5rem 2rem;
}

.case-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.case-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.metric {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.metric .value {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-dark);
}

.metric .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* CASE CHARTS — dataviz skill: before/after = ordinal 1-hue (accent-light -> accent-dark),
   growth-rate meter = sequential 1-hue against a fixed limit, no legend needed (single hue). */
.case-charts {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.chart-block {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 0.9rem 1.1rem;
}

.chart-block-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
}

.chart-dumbbell {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.chart-note {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
}

/* growth-rate meter + before/after range meter (shared row anatomy) */
.bar-compare {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.bar-compare + .bar-compare {
    margin-top: 0.55rem;
}

.bar-compare-label {
    flex: 0 0 4.2em;
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.bar-compare-track {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 100px;
    overflow: hidden;
}

.bar-compare-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 100px;
}

.bar-compare-range {
    position: absolute;
    top: 0;
    bottom: 0;
    border-radius: 100px;
}

.bar-compare-value {
    flex: 0 0 auto;
    min-width: 2.8em;
    text-align: right;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--accent-dark);
}

/* Case 1 "延伸數據" divider */
.case-extra-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.stat-highlight {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 0.9rem 1.1rem;
}

.stat-highlight .value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-dark);
}

.stat-highlight .label {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ARTICLES */
.articles-section {
    background: var(--bg-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: block;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.article-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--bg-accent);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-dark);
    margin-bottom: 1rem;
}

.article-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.article-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.article-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-en);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 1rem;
}

/* ABOUT */
.about-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: start;
}

.about-photo {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--bg-accent);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.about-photo .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--accent);
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--highlight-light) 100%);
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 0.25rem;
}

.about-text .en-name {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.about-stat .number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-dark);
}

.about-stat .desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* PROCESS */
.process-section {
    background: var(--bg-secondary);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -1rem;
    top: 2rem;
    font-size: 1.2rem;
    color: var(--text-muted);
}

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

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 1rem;
}

.process-step h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA SECTION */
.cta-section {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
}

.cta-section .section-title {
    color: white;
    font-size: 2.2rem;
}

.cta-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 auto 2.5rem;
}

.cta-section .btn-primary {
    background: white;
    color: var(--accent-dark);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
    background: var(--highlight-light);
    transform: translateY(-2px);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.contact-links a:hover {
    color: white;
}

/* FOOTER */
footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.4);
    padding: 2.5rem 2rem;
    font-size: 0.8rem;
    font-family: var(--font-en);
}

footer .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    text-align: center;
}

footer .footer-contact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

footer .footer-contact-label {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.5px;
}

footer .footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

footer .footer-contact a:hover {
    color: white;
}

footer .footer-copyright {
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 769px) {
    footer .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* PAGE HERO (for sub-pages) */
.page-hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.page-hero .section-label {
    margin-bottom: 1rem;
}

.page-hero .section-title {
    font-size: 2.5rem;
}

.page-hero .section-subtitle {
    margin: 1rem auto 0;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    section {
        padding: 4rem 1.5rem;
    }

    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .process-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-photo {
        max-width: 200px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    nav .nav-links a:not(.lang-toggle-wrapper):not(.nav-cta) {
        display: none;
    }

    nav .nav-inner {
        padding: 0 1.25rem;
    }

    nav .nav-links {
        gap: 0.75rem;
    }

    nav .nav-links a.nav-cta {
        padding: 7px 14px;
        font-size: 0.72rem;
    }

    .industry-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pain-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    nav .nav-inner {
        padding: 0 1rem;
    }

    nav .logo {
        font-size: 1.05rem;
    }

    nav .nav-links {
        gap: 0.5rem;
    }

    nav .nav-links a.nav-cta {
        padding: 6px 12px;
        font-size: 0.68rem;
    }

    .lang-toggle button {
        padding: 4px 8px;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .case-metrics {
        grid-template-columns: 1fr;
    }
}

/* ANIMATIONS */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* BLOG LIST (editorial style) */
.blog-list {
    margin-top: 2.5rem;
}

.blog-list-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}

.blog-list-item:first-child {
    border-top: 1px solid var(--border);
}

.blog-list-item:hover {
    opacity: 0.6;
}

.blog-tag {
    font-family: var(--font-en);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    background: var(--bg-accent);
    padding: 3px 9px;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.blog-item-main {
    flex: 1;
    min-width: 0;
}

.blog-item-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
}

.blog-item-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    line-height: 1.6;
}

.blog-item-meta {
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--accent);
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.2rem;
    font-weight: 600;
}

.view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    margin-top: 1.75rem;
    transition: color 0.2s, gap 0.2s;
}

.view-all-link:hover {
    color: var(--accent-dark);
    gap: 0.5rem;
}

/* COMPACT SERVICES (homepage list style) */
.services-compact {
    margin-top: 2.5rem;
}

.service-compact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
    cursor: pointer;
}

.service-compact-item:first-child {
    border-top: 1px solid var(--border);
}

.service-compact-item:hover {
    opacity: 0.6;
}

.service-compact-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.service-compact-text {
    flex: 1;
    min-width: 0;
}

.service-compact-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.service-compact-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
    line-height: 1.6;
}

.service-compact-arrow {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    flex-shrink: 0;
}

.service-compact-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-dark);
    background: var(--bg-accent);
    border-radius: 100px;
    vertical-align: middle;
}

/* RESULTS GRID (compact stats for homepage) */
.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.result-stat .result-value {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.35rem;
}

.result-stat .result-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* MINIMAL ABOUT (homepage) */
.about-minimal {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    align-items: start;
    max-width: 680px;
}

.about-minimal .about-photo {
    width: 100px;
    height: 100px;
    aspect-ratio: 1;
    border-radius: 50%;
}

.about-minimal .placeholder {
    font-size: 2.5rem;
}

.about-text-minimal h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.1rem;
}

.about-text-minimal .en-name {
    font-family: var(--font-en);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.9rem;
}

.about-text-minimal p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.85rem;
}

.about-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.about-links a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.about-links a:hover {
    color: var(--accent);
}

/* SERVICES OVERVIEW PAGE */
.services-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-minimal {
        grid-template-columns: 80px 1fr;
        gap: 1.25rem;
    }

    .about-minimal .about-photo {
        width: 80px;
        height: 80px;
    }

    .services-overview-grid {
        grid-template-columns: 1fr;
    }

    .blog-list-item {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .blog-item-meta {
        order: 3;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* SERVICE DETAIL PAGES */
.concept-section {
    background: var(--accent-dark);
    color: white;
}

.concept-section .section-label {
    color: var(--highlight-light);
}

.concept-section .section-title {
    color: white;
}

.concept-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.concept-body {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-top: 2.5rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
}

.concept-body p + p {
    margin-top: 1rem;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
}

.compare-card {
    border-radius: var(--radius);
    padding: 1.75rem;
}

.compare-card.is-old {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.75;
}

.compare-card.is-new {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.compare-card h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.compare-card.is-new h4 {
    color: var(--highlight-light);
}

.compare-list {
    list-style: none;
}

.compare-list li {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.compare-list li:last-child {
    border-bottom: none;
}

.compare-list li::before {
    content: '✗';
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.compare-card.is-new .compare-list li {
    color: rgba(255, 255, 255, 0.9);
}

.compare-card.is-new .compare-list li::before {
    content: '✓';
    color: var(--accent-light);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
}

.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all 0.3s ease;
}

.detail-card:hover {
    border-color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--shadow);
}

.detail-card .icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.detail-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

/* 首頁 Free Audit 卡片標題改用 H3（標題階層修正），其他頁的 .detail-card 仍是 H4，樣式各自對應標籤、不共用 */
#free-audit .detail-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.detail-card .en-detail {
    font-family: var(--font-en);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.detail-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.case-single {
    max-width: 680px;
    margin: 3rem auto 0;
}

/* ARTICLE PAGES */
.article-header-section {
    padding: 8rem 2rem 4rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.article-tag-label {
    background: var(--accent);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.3rem 0.75rem;
    border-radius: 2rem;
    font-family: var(--font-en);
}

.article-date,
.article-read-time {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-en);
}

.article-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    max-width: 800px;
    margin-bottom: 1.25rem;
}

.article-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 680px;
}

.article-body-section {
    padding: 4rem 2rem 6rem;
}

.article-body {
    max-width: 680px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 2rem auto;
    border-radius: 8px;
}

.article-body h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 3rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.article-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.article-body ul,
.article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.article-body li {
    margin-bottom: 0.6rem;
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 700;
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.75rem 1.25rem;
    margin: 2rem 0;
    background: var(--bg-secondary);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--text-primary);
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}

.about-profile-photo {
    display: flex;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.about-profile-photo img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 680px;
    margin: 0 auto 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.article-nav a {
    font-size: 0.85rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.article-nav a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .article-header-section {
        padding: 7rem 1.25rem 3rem;
    }
    .article-body-section {
        padding: 2.5rem 1.25rem 4rem;
    }
}

/* LANGUAGE TOGGLE */
/* Chinese mode (default): hide English elements */
body[data-lang="zh"] .lang-en,
body[data-lang="zh"] .en,
body[data-lang="zh"] .en-sub,
body[data-lang="zh"] .en-name,
body[data-lang="zh"] .en-title {
    display: none !important;
}

/* English mode: hide Chinese elements */
body[data-lang="en"] .lang-zh {
    display: none !important;
}

/* NEWSLETTER BLOCK */
.newsletter-block {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
}

.newsletter-inner {
    max-width: 640px;
    text-align: center;
}

.newsletter-text {
    margin-bottom: 1.25rem;
}

.newsletter-title {
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: -0.3px;
    margin-bottom: 0.5rem;
}

.newsletter-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.newsletter-embed {
    display: flex;
    justify-content: center;
}

.newsletter-embed iframe {
    width: 100%;
    max-width: 560px;
    height: 130px;
    border: 0;
    border-radius: var(--radius);
}

/* PRODUCT BLOCK (電子書購買 embed) */
.product-block {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
}

.product-inner {
    max-width: 640px;
    text-align: center;
}

.product-text {
    margin-bottom: 1.25rem;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: -0.3px;
    margin-bottom: 0.5rem;
}

.product-block-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.product-embed {
    max-width: 400px;
    margin: 0 auto;
}

@media (max-width: 420px) {
    .product-embed iframe {
        width: 100%;
    }
}

/* PRODUCT GRID */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.product-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 1.25rem;
}

.product-cta {
    padding: 10px 24px;
    font-size: 0.875rem;
}

.product-coming-soon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-weight: 600;
    cursor: default;
}

/* FAQ */
.faq-list {
    max-width: 720px;
    margin: 3rem auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 0;
}

.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    flex-shrink: 0;
    margin-left: 1rem;
    font-size: 1.3rem;
    color: var(--accent);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* HERO ROLE (sub-label above h1, batch 2) */
.hero-role {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

/* POST-CTA (article footer prompt, batch 3) */
.post-cta {
    text-align: center;
    padding: 3rem 2rem;
}

.post-cta p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* SERVICES PAGE — WP-4 (svc- prefix, scoped to services/index.html) */
.svc-badge {
    display: inline-block;
    padding: 2px 10px;
    background: var(--bg-accent);
    color: var(--accent-dark);
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

.svc-badge-row {
    margin: 0.75rem 0 1rem;
}

.svc-legacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.svc-legacy-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.svc-legacy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-md);
    border-color: var(--accent);
}

.svc-legacy-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 1rem;
}

.svc-legacy-card h4.lang-en {
    font-family: var(--font-en);
}

.svc-legacy-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 0.75rem;
}

.svc-legacy-card p.lang-en {
    font-family: var(--font-en);
}

.svc-legacy-link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
}

.cta-section .btn-secondary.svc-cta-secondary {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    background: transparent;
}

.cta-section .btn-secondary.svc-cta-secondary:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* HOME — PAIN BRIDGE (batch home-minimal-6) */
.pain-bridge {
    margin-top: 2.5rem;
    text-align: center;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
}

.pain-bridge a {
    color: var(--highlight-light);
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.5rem;
    white-space: nowrap;
}

.pain-bridge a:hover {
    text-decoration: underline;
}

/* HOME — FREE AUDIT SHOWCASE (text + tool screenshots) */
.audit-showcase {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: start;
}

.audit-screens {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 6rem;
}

.audit-screen-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px var(--shadow-md);
}

/* HOME — SERVICE LADDER (3-column price ladder, ebook iframe in middle) */
.ladder-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    align-items: stretch;
}

.ladder-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.ladder-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-md);
}

.ladder-card .product-cta {
    margin-top: auto;
}

.ladder-card-ebook {
    align-items: center;
    text-align: center;
}

.ladder-iframe-wrap {
    margin-top: 1.25rem;
    width: 100%;
    max-width: 400px;
    overflow: hidden;
}

.ladder-iframe-wrap iframe {
    display: block;
    width: 100%;
    max-width: 400px;
    height: 620px;
}

/* SITE FOOTER (4-column, batch home-minimal-6; T2 已同步全站頁面與文章模板)。
   上方舊 .footer-inner / .footer-contact 規則已無頁面使用（tracking-helper-tool
   有自己的 CSS），保留待後續大掃除再移除。 */
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: left;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    padding: 0.35rem 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: white;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.footer-col-title {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    font-size: 0.72rem;
}

.footer-logo {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: white;
    text-decoration: none;
    margin-bottom: 0.75rem;
}

.footer-about-link {
    display: inline-block !important;
    margin-top: 0.25rem;
    color: var(--highlight-light) !important;
    font-weight: 600;
}

.footer-newsletter-desc {
    font-size: 0.82rem;
}

.footer-newsletter-embed iframe {
    width: 100%;
    max-width: 320px;
    height: 130px;
    border: 0;
    border-radius: var(--radius);
}

.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .footer-copyright {
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1000px) {
    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    }
}

@media (max-width: 900px) {
    .audit-showcase {
        grid-template-columns: 1fr;
    }

    .audit-screens {
        position: static;
        flex-direction: row;
    }

    .audit-screens .audit-screen-img {
        flex: 1;
    }

    .ladder-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .audit-screens {
        flex-direction: column;
    }
}

/* NAV current-page indicator (T2 補充：取代舊 inline style 高亮) */
nav .nav-links a.nav-current {
    color: var(--accent);
    font-weight: 700;
}