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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--canvas);
    color: var(--body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 64px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}
.nav-logo span { color: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    line-height: 1.4;
    transition: color 0.15s;
}
.nav-link:hover, .nav-link.active { color: var(--ink); }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.hero-band {
    background: var(--canvas);
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--hairline-soft);
}
.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero-content {}
.hero-label {
    display: inline-block;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--rounded-pill);
    margin-bottom: 20px;
}
.hero-band h1 {
    font-size: 42px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.72px;
    margin-bottom: 20px;
}
.hero-band p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 480px;
}
.hero-image-wrap {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    background: var(--surface-card);
}
.hero-image-wrap img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}
.hero-caption {
    padding: 10px 16px;
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--hairline-soft);
    background: var(--canvas-soft);
}

.section {
    padding: 80px 0;
}
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}
.section-title {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 600px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.article-card-body { padding: 24px; }
.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
    display: block;
}
.article-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 10px;
}
.article-card-title a { color: inherit; }
.article-card-title a:hover { color: var(--primary); }
.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
}
.article-card-meta {
    margin-top: 16px;
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--hairline-soft);
    padding-top: 14px;
}

.info-band {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
    border-bottom: 1px solid var(--hairline-soft);
    padding: 80px 0;
}
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}
.info-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 28px;
}
.info-card-number {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 14px;
}
.info-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.3;
}
.info-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

.contact-section { padding: 80px 0; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 40px;
    align-items: start;
}
.contact-info h3 {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.2px;
    margin-bottom: 14px;
}
.contact-info p {
    font-size: 15px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 10px;
}

.contact-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
    letter-spacing: 0.02px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-size: 15px;
    color: var(--ink);
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.15s;
    height: 44px;
}
.form-group textarea { height: 100px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ink);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted-soft); }
.form-error {
    font-size: 13px;
    color: var(--semantic-error);
    margin-top: 4px;
    display: none;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-primary:active { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-card);
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    transition: border-color 0.15s;
    font-family: inherit;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

.form-submit-wrap { display: flex; align-items: center; gap: 16px; }
.form-status {
    font-size: 14px;
    color: var(--semantic-success);
    display: none;
}
.form-status.visible { display: block; }
.form-loading {
    font-size: 14px;
    color: var(--muted);
    display: none;
}
.form-loading.visible { display: block; }

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
}
.footer-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
}
.footer-logo span { color: var(--primary); }
.footer-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-top: 10px;
}
.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.02px;
    margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline-soft);
}
.footer-copy { font-size: 13px; color: var(--muted); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    padding: 20px 0;
    z-index: 200;
    display: none;
}
.cookie-banner.visible { display: block; }
.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.cookie-inner p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}
.cookie-inner a { color: var(--ink); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }

.article-hero {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--hairline-soft);
}
.article-hero .breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
    align-items: center;
}
.article-hero .breadcrumb a { color: var(--muted); }
.article-hero .breadcrumb a:hover { color: var(--ink); }
.article-hero .breadcrumb span { color: var(--muted-soft); }
.article-hero h1 {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 800px;
}
.article-hero .article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.article-body {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    padding: 48px 0 80px;
    align-items: start;
}
.article-content {}
.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.3px;
    margin: 40px 0 16px;
    line-height: 1.25;
}
.article-content h2:first-child { margin-top: 0; }
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
    line-height: 1.3;
}
.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}
.article-content ul, .article-content ol {
    list-style: disc;
    padding-left: 22px;
    margin-bottom: 18px;
}
.article-content ol { list-style: decimal; }
.article-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}
.article-content figure {
    margin: 28px 0;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}
.article-content figure img { width: 100%; }
.article-content figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
}
.article-content .info-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 24px 0;
}
.article-content .info-box p { margin-bottom: 0; font-size: 15px; }
.article-content .info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}
.article-content a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.article-content a:hover { color: var(--primary); }

.article-sidebar {}
.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 11px;
}
.sidebar-card ul li { margin-bottom: 10px; }
.sidebar-card ul li a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}
.sidebar-card ul li a:hover { color: var(--ink); }

.page-hero {
    padding: 60px 0;
    border-bottom: 1px solid var(--hairline-soft);
}
.page-hero h1 {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 14px;
}
.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.6;
}
.page-content {
    padding: 60px 0 80px;
    max-width: 820px;
}
.page-content h2 {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    margin: 36px 0 12px;
    letter-spacing: -0.2px;
}
.page-content h2:first-child { margin-top: 0; }
.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 16px;
}
.page-content ul {
    list-style: disc;
    padding-left: 22px;
    margin-bottom: 16px;
}
.page-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}
.page-content a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }

.disclaimer-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 32px 0;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .hero-band h1 { font-size: 34px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .article-body { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
}

@media (max-width: 768px) {
    .hero-band .container { grid-template-columns: 1fr; }
    .hero-image-wrap { display: none; }
    .hero-band h1 { font-size: 28px; }
    .section-title { font-size: 26px; }
    .articles-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px 24px; gap: 16px; }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; }
    .article-hero h1 { font-size: 26px; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .hero-band { padding: 40px 0; }
    .section { padding: 48px 0; }
    .contact-form { padding: 20px; }
}