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

:root {
    --bg: #f5f7fa;
    --bg-card: #ffffff;
    --bg-input: #f0f2f5;
    --border: #e0e4ea;
    --text: #1a2332;
    --text-dim: #6b7a8d;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.1);
    --accent-hover: #2563eb;
    --gold: #d97706;
    --success: #16a34a;
    --danger: #dc2626;
    --radius: 12px;
    --radius-sm: 8px;
    --max-w: 720px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body { height: 100%; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(circle at 20% 10%, rgba(59, 130, 246, 0.06), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(217, 119, 6, 0.04), transparent 40%);
    background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Home Page ===== */
.hero {
    text-align: center;
    padding: 80px 20px 40px;
}
.hero-icon {
    font-size: 56px;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}
.hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero .subtitle {
    color: var(--text);
    font-size: 18px;
    margin-bottom: 6px;
    opacity: 0.9;
}
.hero p {
    color: var(--text-dim);
    font-size: 15px;
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 20px;
    max-width: var(--max-w);
    margin: 0 auto 40px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-card .icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 16px; margin-bottom: 6px; color: var(--gold); }
.feature-card p { font-size: 13px; color: var(--text-dim); }

/* ===== Hero Enhancements ===== */
.hero-lead {
    color: var(--text);
    font-size: 16px;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.8;
    opacity: 0.85;
}

/* ===== Philosophy Section ===== */
.philosophy {
    max-width: var(--max-w);
    margin: 0 auto 48px;
    padding: 0 20px;
}
.philosophy-title {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: var(--text);
}
.philosophy-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.philosophy-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: border-color 0.2s;
}
.philosophy-card:hover { border-color: var(--accent); }
.philosophy-icon {
    font-size: 28px;
    margin-bottom: 10px;
}
.philosophy-heading {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}
.philosophy-text {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.75;
}
.philosophy-text strong {
    color: var(--gold);
}

/* ===== How It Works ===== */
.how-it-works {
    max-width: var(--max-w);
    margin: 0 auto 48px;
    padding: 0 20px;
}
.steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.step-num {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}
.step-content { flex: 1; }
.step-heading {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.step-text {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ===== Compare Section ===== */
.compare-section {
    max-width: var(--max-w);
    margin: 0 auto 48px;
    padding: 0 20px;
}
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.compare-label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.compare-others .compare-label { color: var(--text-dim); }
.compare-us .compare-label { color: var(--accent); }
.compare-us { border-color: var(--accent); }
.compare-item {
    font-size: 13px;
    color: var(--text-dim);
    padding: 6px 0;
    line-height: 1.6;
}
.compare-others .compare-item::before {
    content: '- ';
    color: var(--text-dim);
}
.compare-us .compare-item::before {
    content: '+ ';
    color: var(--accent);
    font-weight: 600;
}

/* ===== CTA Bottom ===== */
.cta-bottom {
    text-align: center;
    padding: 32px 20px;
    max-width: var(--max-w);
    margin: 0 auto 40px;
}
.cta-bottom p {
    font-size: 15px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.disclaimer {
    max-width: var(--max-w);
    margin: 0 auto 40px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-left: 20px;
}

.report-list {
    max-width: var(--max-w);
    margin: 0 auto 40px;
    padding: 0 20px;
}
.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}
.report-item:hover { border-color: var(--accent); }
.report-item .name { font-weight: 500; }
.report-item .date { font-size: 13px; color: var(--text-dim); }

/* ===== Chat Page ===== */
.chat-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: var(--max-w);
    margin: 0 auto;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.chat-header .back { font-size: 20px; cursor: pointer; }
.chat-header h2 { font-size: 18px; font-weight: 600; }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

.message {
    margin-bottom: 20px;
    max-width: 85%;
}
.message.assistant { margin-right: auto; }
.message.user { margin-left: auto; }

.message .bubble {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 15px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}
.message.assistant .bubble {
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.message.user .bubble {
    background: var(--accent);
    color: white;
}

.message .role-label {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 4px;
    padding: 0 4px;
}

.chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.chat-input-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.chat-input-row textarea {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 12px 16px;
    font-size: 15px;
    font-family: var(--font);
    resize: none;
    max-height: 120px;
    line-height: 1.5;
    outline: none;
    transition: border-color 0.2s;
}
.chat-input-row textarea:focus { border-color: var(--accent); }
.chat-input-row textarea::placeholder { color: var(--text-dim); }

.send-btn {
    width: 44px;
    height: 44px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}
.send-btn:hover { background: var(--accent-hover); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.mic-btn {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.mic-btn:hover { border-color: var(--accent); }
.mic-btn.mic-active {
    background: var(--danger);
    border-color: var(--danger);
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(248,113,113,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(248,113,113,0); }
}

.report-prompt {
    padding: 12px 20px;
    background: var(--accent-glow);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.report-prompt .hint { font-size: 14px; color: var(--text-dim); }

/* ===== Chat Progress ===== */
.chat-progress {
    padding: 10px 20px 8px;
    border-bottom: 1px solid var(--border);
}
.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 12px;
}
.progress-info #progressText {
    color: var(--text-dim);
    font-weight: 500;
}
.progress-hint {
    color: var(--text-dim);
    font-size: 12px;
}
.progress-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    border-radius: 2px;
    transition: width 0.4s ease;
}
.chat-progress.progress-done .progress-fill {
    background: linear-gradient(90deg, var(--success), var(--gold));
}
.chat-progress.progress-done .progress-hint {
    color: var(--success);
}

/* ===== Report Page ===== */
.report-page {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 40px 20px;
}

.report-page .report-header {
    text-align: center;
    margin-bottom: 32px;
}
.report-page .report-header h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.report-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    line-height: 1.8;
    font-size: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.report-content h1, .report-content h2, .report-content h3 {
    margin-top: 28px;
    margin-bottom: 12px;
}
.report-content h1 { font-size: 22px; }
.report-content h2 { font-size: 19px; color: var(--accent); border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.report-content h3 { font-size: 16px; color: var(--gold); }
.report-content p { margin-bottom: 12px; }
.report-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-dim);
    font-style: italic;
}
.report-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.report-content th, .report-content td {
    border: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
}
.report-content th { background: var(--bg); font-weight: 600; color: var(--gold); }
.report-content ul, .report-content ol { padding-left: 24px; margin-bottom: 12px; }
.report-content li { margin-bottom: 4px; }
.report-content strong { color: var(--gold); }
.report-content hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.report-content code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

.report-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
    flex-wrap: wrap;
}

/* ===== Report TOC & Navigation ===== */
.report-page.has-toc {
    max-width: 960px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}
.report-page.has-toc .report-main {
    flex: 1;
    min-width: 0;
}

/* Desktop sidebar TOC */
.report-toc {
    width: 200px;
    flex-shrink: 0;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    font-size: 13px;
    padding-right: 16px;
    display: none;
}
.report-page.has-toc .report-toc {
    display: block;
}
.report-toc a {
    display: block;
    padding: 6px 0;
    color: var(--text-dim);
    text-decoration: none;
    border-left: 2px solid transparent;
    padding-left: 10px;
    transition: color 0.2s, border-color 0.2s;
    line-height: 1.4;
}
.report-toc a.active {
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}
.report-toc a:hover {
    color: var(--accent);
}

/* Mobile collapsible TOC */
.report-toc-mobile {
    display: none;
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: var(--radius) var(--radius) 0 0;
    margin-bottom: 12px;
}
.report-toc-mobile summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    list-style: none;
}
.report-toc-mobile summary::before {
    content: "☰ ";
}
.report-toc-mobile nav {
    padding: 8px 0;
}
.report-toc-mobile nav a {
    display: block;
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-dim);
    text-decoration: none;
}
.report-toc-mobile nav a.active {
    color: var(--accent);
    font-weight: 600;
}
.report-toc-mobile nav a:hover {
    color: var(--accent);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ===== Loading ===== */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}
.loading .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.typing-indicator {
    display: inline-flex;
    gap: 4px;
    padding: 8px 12px;
}
.typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--text-dim);
    border-radius: 50%;
    animation: bounce 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--success);
    color: var(--text);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    z-index: 1000;
    animation: fadeInUp 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== Quick Options (Chips) ===== */
.option-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
}
.option-chip {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}
.option-chip:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}
.option-chip.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.option-confirm-btn {
    display: none;
    margin-top: 8px;
    padding: 6px 20px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.option-confirm-btn:hover {
    background: var(--accent-hover);
}

/* ===== Search Status ===== */
.search-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text-dim);
    animation: fadeIn 0.3s;
}
.search-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 1.2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== Community ===== */
.community-page {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px;
}
.community-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.community-header h1 { font-size: 22px; margin: 0; }
.community-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}
.community-filters select {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    font-size: 14px;
    color: var(--text);
}
.community-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.community-tab {
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-dim);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.community-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 600;
}
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color 0.2s;
}
.post-card:hover { border-color: var(--accent); }
.post-card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.post-card-meta {
    font-size: 12px;
    color: var(--text-dim);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.post-card-meta .tag {
    background: var(--bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
}

/* Post detail */
.post-detail {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px;
}
.post-detail .post-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}
.post-detail .post-meta {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
}
.post-detail .post-body {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 24px;
    white-space: pre-wrap;
}
.reply-list { margin-bottom: 24px; }
.reply-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.reply-item:last-child { border-bottom: none; }
.reply-author {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 4px;
}
.reply-content { font-size: 14px; line-height: 1.6; white-space: pre-wrap; }
.reply-time { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.reply-input-area {
    display: flex;
    gap: 10px;
}
.reply-input-area textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

/* New post form */
.new-post-form {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px;
}
.new-post-form .form-group {
    margin-bottom: 16px;
}
.new-post-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}
.new-post-form input[type="text"],
.new-post-form textarea,
.new-post-form select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    box-sizing: border-box;
}
.new-post-form textarea { min-height: 200px; resize: vertical; }

@media (max-width: 800px) {
    .report-page.has-toc { flex-direction: column; max-width: var(--max-w); }
    .report-page.has-toc .report-toc { display: none; }
    .report-toc-mobile { display: block; }
}

@media (max-width: 600px) {
    .hero { padding: 48px 16px 24px; }
    .hero h1 { font-size: 28px; }
    .chat-messages { padding: 16px; }
    .message { max-width: 92%; }
    .report-content { padding: 20px; }
    .features { grid-template-columns: 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .philosophy-card { padding: 20px 16px; }
}