:root {
    --guide-bg: #f4efe1;
    --guide-bg-alt: #ebe1c9;
    --guide-surface: #fff9ea;
    --guide-surface-strong: #fffdf6;
    --guide-ink: #1f231d;
    --guide-muted: #4b584a;
    --guide-primary: #2f5b44;
    --guide-primary-strong: #17382a;
    --guide-accent: #c99245;
    --guide-accent-soft: #f1d29d;
    --guide-shadow: 0 16px 48px rgba(21, 34, 25, 0.14);
    --guide-radius-lg: 20px;
    --guide-radius-md: 14px;
}

body.guide-site {
    margin: 0;
    font-family: 'Sora', 'Segoe UI', sans-serif;
    color: var(--guide-ink);
    background:
        radial-gradient(circle at 8% 12%, rgba(201, 146, 69, 0.16) 0%, transparent 34%),
        radial-gradient(circle at 90% 4%, rgba(47, 91, 68, 0.16) 0%, transparent 36%),
        linear-gradient(180deg, #f7f1e2 0%, #efe6cf 50%, #f7f0df 100%);
}

.guide-wrap {
    width: min(1160px, calc(100% - 2.4rem));
    margin: 0 auto;
}

.guide-header {
    padding: 1.1rem 0;
    background: rgba(255, 249, 234, 0.88);
    border-bottom: 1px solid rgba(23, 56, 42, 0.14);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 220;
}

.guide-header .guide-wrap {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.guide-brand {
    font-family: 'Fraunces', Georgia, serif;
    color: var(--guide-primary-strong);
    font-size: 1.12rem;
    font-weight: 700;
    text-decoration: none;
}

.guide-nav {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.guide-nav a {
    text-decoration: none;
    color: var(--guide-primary-strong);
    border: 1px solid rgba(23, 56, 42, 0.18);
    border-radius: 999px;
    padding: 0.42rem 0.86rem;
    font-size: 0.85rem;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.guide-nav a:hover,
.guide-nav a:focus-visible {
    background: #f6ead4;
    transform: translateY(-2px);
}

.guide-hero {
    padding: 4.4rem 0 3.4rem;
}

.guide-hero-grid {
    display: grid;
    gap: 1.8rem;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    align-items: stretch;
}

.guide-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.44rem;
    font-size: 0.75rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    font-weight: 700;
    color: #22513d;
    background: rgba(47, 91, 68, 0.14);
    border-radius: 999px;
    padding: 0.35rem 0.72rem;
}

.guide-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.05;
    margin: 0.86rem 0 1rem;
    color: #13291f;
}

.guide-subtitle {
    margin: 0;
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    line-height: 1.7;
    color: #355143;
    max-width: 62ch;
}

.guide-hero-actions {
    margin-top: 1.3rem;
    display: flex;
    gap: 0.72rem;
    flex-wrap: wrap;
}

.guide-btn {
    text-decoration: none;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.62rem 1.18rem;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-btn-primary {
    background: linear-gradient(135deg, #244d3a 0%, #37674f 100%);
    color: #fdf9ef;
    box-shadow: 0 10px 26px rgba(36, 77, 58, 0.24);
}

.guide-btn-secondary {
    background: rgba(255, 252, 244, 0.88);
    color: #234635;
    border-color: rgba(35, 70, 53, 0.25);
}

.guide-btn:hover,
.guide-btn:focus-visible {
    transform: translateY(-2px);
}

.hero-metrics {
    display: grid;
    gap: 0.7rem;
    margin-top: 1.2rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-metric {
    background: rgba(255, 252, 244, 0.88);
    border: 1px solid rgba(35, 70, 53, 0.2);
    border-radius: 12px;
    padding: 0.82rem;
}

.hero-metric strong {
    display: block;
    font-size: 1.16rem;
    font-family: 'Fraunces', Georgia, serif;
    color: #163525;
}

.hero-metric span {
    font-size: 0.8rem;
    color: #445a4f;
}

.guide-art-card {
    background: linear-gradient(145deg, #1a3b2d 0%, #3f6f57 58%, #c28e47 100%);
    border-radius: 26px;
    padding: 1.1rem;
    color: #f9f4e5;
    box-shadow: var(--guide-shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
}

.guide-art-card p {
    margin: 0.88rem 0 0;
    font-size: 0.9rem;
    color: rgba(249, 244, 229, 0.9);
}

.vector-3d {
    width: 100%;
    min-height: 180px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.vector-3d svg {
    width: min(100%, 330px);
    height: auto;
}

.guide-grid {
    display: grid;
    gap: 1.3rem;
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
}

.guide-toc {
    position: sticky;
    top: 92px;
    background: rgba(255, 252, 244, 0.95);
    border: 1px solid rgba(35, 70, 53, 0.2);
    border-radius: 16px;
    padding: 1rem;
}

.guide-toc h2 {
    margin: 0 0 0.72rem;
    font-size: 1rem;
    font-family: 'Fraunces', Georgia, serif;
    color: #163525;
}

.guide-toc ol {
    margin: 0;
    padding-left: 1.05rem;
    display: grid;
    gap: 0.36rem;
}

.guide-toc a {
    color: #274d3a;
    text-decoration: none;
    font-size: 0.86rem;
}

.guide-toc a:hover,
.guide-toc a:focus-visible {
    text-decoration: underline;
}

.quick-answer-box {
    margin-top: 0.92rem;
    background: linear-gradient(150deg, #fbe8c6 0%, #f7d9a0 100%);
    border: 1px solid rgba(122, 81, 25, 0.23);
    border-radius: 12px;
    padding: 0.9rem;
    font-size: 0.9rem;
    color: #4c3714;
}

.guide-main {
    display: grid;
    gap: 1rem;
}

.guide-panel {
    background: rgba(255, 253, 246, 0.96);
    border: 1px solid rgba(23, 56, 42, 0.16);
    border-radius: var(--guide-radius-lg);
    padding: clamp(1rem, 2vw, 1.5rem);
    box-shadow: 0 14px 34px rgba(24, 39, 29, 0.08);
}

.guide-panel h2 {
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    margin: 0 0 0.58rem;
    color: #153726;
}

.guide-panel h3 {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.08rem;
    margin: 1rem 0 0.44rem;
    color: #1f432f;
}

.guide-panel p {
    margin: 0.3rem 0 0.78rem;
    color: #324c3f;
    line-height: 1.7;
}

.guide-panel ul,
.guide-panel ol {
    margin: 0.24rem 0 0.84rem;
    padding-left: 1.15rem;
    color: #2f4c3d;
    line-height: 1.65;
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.68rem;
}

.stat-chip {
    background: #f8f0de;
    border: 1px solid rgba(23, 56, 42, 0.18);
    border-radius: 13px;
    padding: 0.74rem;
}

.stat-chip strong {
    display: block;
    font-family: 'Fraunces', Georgia, serif;
    color: #153726;
    margin-bottom: 0.2rem;
}

.callout-grid {
    display: grid;
    gap: 0.8rem;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.callout {
    background: linear-gradient(160deg, #fef9ec 0%, #f5e7cc 100%);
    border: 1px solid rgba(23, 56, 42, 0.16);
    border-radius: 14px;
    padding: 0.86rem;
}

.callout strong {
    display: block;
    color: #153726;
    margin-bottom: 0.34rem;
}

.timeline-flow {
    display: grid;
    gap: 0.74rem;
}

.timeline-node {
    background: #fff6e4;
    border-left: 4px solid #b9813f;
    border-radius: 12px;
    padding: 0.75rem 0.85rem;
}

.timeline-node h3 {
    margin-top: 0;
}

.link-grid {
    display: grid;
    gap: 0.72rem;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.link-card {
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(23, 56, 42, 0.18);
    border-radius: 14px;
    padding: 0.82rem;
    background: #fffcf3;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover,
.link-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(22, 47, 35, 0.14);
}

.link-card strong {
    display: block;
    margin-bottom: 0.26rem;
    color: #173d2c;
}

.faq-list {
    display: grid;
    gap: 0.6rem;
}

.faq-item {
    border: 1px solid rgba(23, 56, 42, 0.17);
    border-radius: 13px;
    background: #fff8e9;
    padding: 0.72rem 0.84rem;
}

.faq-item h3 {
    margin: 0;
    font-family: 'Sora', sans-serif;
    font-size: 1rem;
    color: #173d2c;
}

.faq-item p {
    margin: 0.44rem 0 0;
    font-size: 0.92rem;
}

.answer-block {
    background: linear-gradient(145deg, #1f4734 0%, #305f49 65%, #be8943 100%);
    border-radius: 18px;
    color: #fdf6e7;
    padding: 1rem;
}

.answer-block h2,
.answer-block p,
.answer-block li {
    color: #fdf6e7;
}

.answer-block a {
    color: #fff1c9;
}

.guide-footer {
    padding: 2.2rem 0 3rem;
}

.guide-footer-card {
    background: rgba(255, 252, 244, 0.96);
    border: 1px solid rgba(23, 56, 42, 0.19);
    border-radius: 16px;
    padding: 1rem;
    display: grid;
    gap: 0.78rem;
    grid-template-columns: minmax(0, 1.2fr) minmax(230px, 0.8fr);
    align-items: center;
}

.guide-footer h2 {
    margin: 0;
    font-family: 'Fraunces', Georgia, serif;
    color: #153726;
}

.guide-footer p {
    margin: 0.35rem 0 0;
    color: #2f4f3f;
}

.guide-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-end;
}

.guide-footer-links a {
    text-decoration: none;
    color: #fdf9f0;
    background: #274f3b;
    border-radius: 999px;
    padding: 0.48rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 700;
}

.guide-footer-links a:hover,
.guide-footer-links a:focus-visible {
    background: #173727;
}

@media (max-width: 1024px) {
    .guide-hero-grid {
        grid-template-columns: 1fr;
    }

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

    .guide-toc {
        position: static;
    }
}

@media (max-width: 720px) {
    .guide-wrap {
        width: min(1160px, calc(100% - 1.4rem));
    }

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

    .guide-footer-card {
        grid-template-columns: 1fr;
    }

    .guide-footer-links {
        justify-content: flex-start;
    }
}