/* ============================================================
   index.css — 首页专属样式（地图 + 路线 + 导航入口）
   ============================================================ */

/* --- 英雄区 --- */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero-kicker {
    display: inline-block;
    padding: 5px 16px;
    border-radius: 50px;
    background: var(--accent);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero-title {
    font-family: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--black);
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-title span { color: var(--gold); }

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* --- 地图区 --- */
.map-section {
    padding: 20px 0 80px;
}

.map-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}

.map-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 12px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.map-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.map-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 6px;
    display: block;
    transition: transform 0.4s ease;
}

.map-card:hover img {
    transform: scale(1.02);
}

.map-label {
    margin-top: 14px;
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent);
}

.map-addr {
    margin-top: 4px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* --- 路线区 --- */
.route-section {
    padding: 0 0 80px;
}

.route-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.route-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.route-card:hover {
    box-shadow: var(--shadow-md);
}

.route-card h3 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.route-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-family: -apple-system, sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.route-card .station {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.route-card .station-icon {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--gold);
    flex-shrink: 0;
}

.route-card .station strong { color: var(--text); }

.route-note {
    margin-top: 14px;
    padding: 10px 14px;
    background: var(--bg-alt);
    border-radius: 6px;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- 导航卡片区 --- */
.nav-section {
    padding: 0 0 100px;
}

.nav-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.nav-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 36px 28px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
}

.nav-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    transform: translateY(-3px);
}

.nav-card-icon {
    font-size: 2rem;
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.nav-card:hover .nav-card-icon {
    background: var(--accent);
    color: #fff;
}

.nav-card h3 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--black);
}

.nav-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.nav-card-arrow {
    margin-top: auto;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
}

/* --- 首页页脚 --- */
.home-footer {
    background: var(--black);
    color: rgba(255,255,255,0.5);
    padding: 40px 0;
    text-align: center;
    font-size: 0.85rem;
}
.home-footer .hf-brand { color: #fff; font-weight: 700; margin-bottom: 4px; }

/* --- 响应式 --- */
@media (max-width: 768px) {
    .hero { padding: 60px 0 40px; }
    .hero-title { font-size: 2rem; }
    .hero-sub { font-size: 0.95rem; }
    .hero-kicker { font-size: 0.72rem; padding: 4px 14px; }
    .map-grid { grid-template-columns: 1fr; gap: 20px; }
    .map-card { padding: 8px; }
    .map-label { font-size: 0.92rem; margin-top: 10px; }
    .map-addr { font-size: 0.78rem; }
    .route-grid { grid-template-columns: 1fr; gap: 20px; }
    .route-card { padding: 24px; }
    .route-card h3 { font-size: 1.1rem; }
    .route-card .station { font-size: 0.86rem; }
    .nav-cards { grid-template-columns: 1fr; gap: 16px; }
    .nav-card { padding: 24px 20px; }
    .nav-card h3 { font-size: 1.05rem; }
    .nav-card p { font-size: 0.84rem; }
    .nav-card-icon { width: 44px; height: 44px; font-size: 1.6rem; }
    .map-section { padding-bottom: 48px; }
    .route-section { padding-bottom: 48px; }
    .nav-section { padding-bottom: 64px; }
}

@media (max-width: 480px) {
    .hero { padding: 40px 0 32px; }
    .hero-title { font-size: 1.55rem; letter-spacing: 0; }
    .hero-sub { font-size: 0.85rem; }
    .hero-kicker { font-size: 0.68rem; padding: 3px 12px; margin-bottom: 14px; }
    .map-grid { gap: 16px; }
    .map-card { padding: 6px; }
    .map-card img { border-radius: 4px; }
    .map-label { font-size: 0.85rem; margin-top: 8px; }
    .map-addr { font-size: 0.74rem; }
    .route-grid { gap: 16px; }
    .route-card { padding: 20px; }
    .route-card h3 { font-size: 1rem; }
    .route-card .station { font-size: 0.82rem; padding: 5px 0; }
    .route-note { font-size: 0.78rem; padding: 8px 12px; }
    .route-num { width: 28px; height: 28px; font-size: 0.78rem; }
    .nav-cards { gap: 12px; }
    .nav-card { padding: 20px 16px; gap: 8px; }
    .nav-card h3 { font-size: 0.95rem; }
    .nav-card p { font-size: 0.8rem; }
    .nav-card-icon { width: 40px; height: 40px; font-size: 1.4rem; border-radius: 10px; }
    .nav-card-arrow { font-size: 0.78rem; }
    .map-section { padding-bottom: 36px; }
    .route-section { padding-bottom: 36px; }
    .nav-section { padding-bottom: 48px; }
    .home-footer { padding: 28px 0; font-size: 0.8rem; }
}