:root {
    --brand-primary: #42566b;
    --brand-primary-hover: #35495d;
    --brand-accent: #b97a56;
    --bg-page: #f5f3ef;
    --bg-surface: #ffffff;
    --bg-soft: #eeebe4;
    --border-color: #ddd6cb;
    --text-primary: #27313b;
    --text-secondary: #66727f;
    --text-muted: #8a938f;
    --success-soft: #e7efe7;
    --warning-soft: #f2eadf;
    --radius-sm: 6px;
    --radius-md: 8px;
    --space-1: 8px;
    --space-2: 12px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --shadow-soft: 0 8px 24px rgba(39, 49, 59, 0.06);
}

body.public-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-page);
    color: var(--text-primary);
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.public-main {
    flex: 1 0 auto;
}

.public-navbar {
    background: rgba(245, 243, 239, 0.96);
    border-bottom: 1px solid var(--border-color);
}

.public-navbar .navbar-brand {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.public-navbar .nav-link {
    color: var(--text-secondary);
}

.public-navbar .nav-link:hover {
    color: var(--text-primary);
}

.hero-block {
    padding: 72px 0 48px;
}

.hero-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.hero-copy {
    padding: 56px 48px;
}

.hero-copy h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    font-weight: 650;
    margin-bottom: var(--space-4);
}

.hero-copy p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.hero-side {
    background: #ece8e1;
    padding: 40px;
    border-left: 1px solid var(--border-color);
    height: 100%;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
}

.metric-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(221, 214, 203, 0.92);
    border-radius: var(--radius-md);
    padding: 22px 20px;
}

.metric-value {
    font-size: 2rem;
    font-weight: 650;
    color: var(--brand-primary);
}

.metric-label {
    margin-top: var(--space-1);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.section-block {
    padding: 24px 0 56px;
}

.section-heading {
    margin-bottom: 24px;
}

.section-heading h2 {
    font-size: 1.75rem;
    font-weight: 650;
    margin-bottom: 8px;
}

.section-heading p {
    color: var(--text-secondary);
    margin: 0;
}

.feature-card,
.announcement-card,
.auth-card,
.pay-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.feature-card {
    height: 100%;
    padding: 28px;
}

.feature-card .feature-kicker {
    color: var(--brand-accent);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p,
.announcement-card p,
.auth-card .text-muted,
.pay-card .text-muted {
    color: var(--text-secondary) !important;
}

.announcement-card {
    padding: 24px;
}

.announcement-meta {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.auth-shell {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    padding: 48px 0;
}

.auth-card,
.pay-card {
    padding: 36px;
}

.auth-card h1,
.pay-card h1 {
    font-size: 1.75rem;
    font-weight: 650;
    margin-bottom: 10px;
}

.auth-card .form-label,
.pay-card .form-label {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 6px;
}

.form-control,
.form-select,
textarea {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border-color) !important;
    box-shadow: none !important;
    min-height: 44px;
}

textarea.form-control {
    min-height: auto;
}

.btn {
    border-radius: var(--radius-sm);
    padding: 0.625rem 1rem;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.btn-primary {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--brand-primary-hover);
    border-color: var(--brand-primary-hover);
}

.btn-outline-primary {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn-light {
    background: #fff;
    border-color: #fff;
    color: var(--brand-primary);
}

.btn-light:hover {
    background: #f7f7f5;
    border-color: #f7f7f5;
    color: var(--brand-primary);
}

.alert {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.public-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    background: #f0ede7;
    color: var(--text-secondary);
}

.public-footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

.public-footer a:hover {
    color: var(--text-primary);
}

.footer-meta {
    font-size: 0.92rem;
}

.footer-meta + .footer-meta {
    margin-top: 6px;
}

@media (max-width: 991.98px) {
    .hero-copy,
    .hero-side {
        padding: 32px 24px;
    }

    .hero-side {
        border-left: 0;
        border-top: 1px solid var(--border-color);
    }
}