/* ===========================================
   帮助中心 — Warm Aura Design System
   =========================================== */

main {
    padding-top: 68px;
    background: var(--bg-body);
    min-height: 100vh;
}

/* ── Hero: Big search area ── */
.wa-help-hero {
    position: relative;
    padding: var(--space-2xl) 0 var(--space-xl);
    background: var(--bg-soft);
    overflow: hidden;
}

.wa-hh-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 700px 350px at 50% 100%, rgba(196,84,75,0.05), transparent 70%);
    pointer-events: none;
}

.wa-hh-inner {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    text-align: center;
}

.wa-hh-inner .page-breadcrumb {
    justify-content: center;
    margin-bottom: var(--space-md);
}

.wa-hh-title {
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.wa-hh-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto var(--space-lg);
}

.wa-hh-search {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 500px;
    margin: 0 auto;
    padding: 16px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.wa-hh-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(196,84,75,0.1), var(--shadow-md);
}

.wa-hh-search i {
    font-size: 17px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.wa-hh-search input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: transparent;
}

.wa-hh-search input::placeholder {
    color: var(--text-muted);
}

/* ── Category sections ── */
.wa-help-categories {
    padding: var(--space-2xl) 0 var(--space-2xl);
}

.wa-hc-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.wa-hc-group-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
}

.wa-hc-group-head i {
    font-size: 18px;
    color: var(--primary);
}

.wa-hc-group-head h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-right: auto;
}

.wa-hc-guide-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    padding: 6px 14px;
    border: 1px solid var(--primary);
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
}

.wa-hc-guide-link i {
    font-size: 10px;
    color: inherit;
}

.wa-hc-guide-link:hover {
    background: var(--primary);
    color: #fff;
}

.wa-hc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* ── Help Card (Bento outlined) ── */
.wa-hc-card {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.wa-hc-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.wa-hcc-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    font-size: 18px;
    color: #fff;
    margin-bottom: var(--space-sm);
    flex-shrink: 0;
}

.wa-hc-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    line-height: 1.35;
    margin-bottom: var(--space-xs);
}

.wa-hc-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
    flex: 1;
}

.wa-hcc-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    transition: color 0.2s ease;
    margin-top: auto;
}

.wa-hcc-link:hover {
    color: var(--primary-dark);
}

/* ── Bottom CTA ── */
.wa-hc-cta {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.wa-hc-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.wa-hc-cta p {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .wa-hc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .wa-help-hero {
        padding: var(--space-xl) 0 var(--space-lg);
    }

    .wa-hh-title {
        font-size: 28px;
    }

    .wa-help-categories {
        padding: var(--space-xl) 0 var(--space-xl);
    }

    .wa-hc-inner {
        gap: var(--space-xl);
    }

    .wa-hc-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .wa-hc-group-head {
        flex-wrap: wrap;
    }

    .wa-hc-group-head h2 {
        font-size: 19px;
    }

    .wa-hc-card {
        padding: var(--space-md);
    }

    .wa-hc-card h3 {
        font-size: 16px;
    }

    .wa-hcc-icon {
        width: 38px;
        height: 38px;
        font-size: 15px;
    }

    .wa-hc-cta {
        padding: var(--space-lg) var(--space-md);
    }
}

@media (max-width: 540px) {
    .wa-hh-search {
        padding: 13px 18px;
    }

    .wa-hh-search input {
        font-size: 14px;
    }

    .wa-hc-card p {
        font-size: 13px;
    }

    .wa-hcc-icon {
        width: 34px;
        height: 34px;
        font-size: 13px;
    }

    .wa-hc-cta p {
        font-size: 17px;
    }
}