/* 帮助中心 */
#page-bangzhu {
    padding-bottom: 100px;
}

.help-hero {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 40px;
    padding-top: 8px;
}
.help-hero h1 {
    font-size: 40px;
    font-weight: 800;
    margin: 0 0 12px 0;
    line-height: 1.2;
}
.help-hero-lead {
    font-size: 18px;
    color: var(--ink-light);
    line-height: 1.6;
    margin: 0;
}

.help-quick-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}
.help-quick-links a {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-size: 16px;
    font-weight: 800;
    border: var(--border-width) solid var(--ink);
    border-radius: 999px;
    background: #fff;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}
.help-quick-links a:hover {
    background: var(--marker-yellow);
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--ink);
}

.help-toc {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
    margin-bottom: 40px;
    padding: 16px 20px;
    background: #fff;
    border: 2px dashed var(--ink-light);
    border-radius: var(--sketch-radius-3);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.help-toc a {
    font-size: 15px;
    font-weight: 800;
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.help-toc a:hover {
    color: var(--marker-blue);
}

.help-section {
    margin-bottom: 48px;
    scroll-margin-top: 100px;
}
.help-section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.help-section-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: var(--border-width) solid var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--marker-yellow);
    flex-shrink: 0;
}
.help-section-icon i {
    width: 24px;
    height: 24px;
}
.help-section h2 {
    font-size: 26px;
    font-weight: 800;
    margin: 0;
}
.help-faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.help-faq-item {
    padding: 20px 22px;
    background: #fff;
    text-align: left;
}
.help-faq-q {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.4;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.help-faq-q::before {
    content: 'Q';
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    background: var(--marker-blue);
    border: 2px solid var(--ink);
    border-radius: 8px 10px 6px 9px;
}
.help-faq-a {
    margin: 0;
    padding-left: 38px;
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink-light);
}
.help-faq-a strong {
    color: var(--ink);
}
.help-faq-a a {
    font-weight: 800;
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.help-note {
    max-width: 720px;
    margin: 48px auto 0;
    padding: 18px 20px;
    font-size: 15px;
    color: var(--ink-light);
    line-height: 1.55;
    border: 2px dashed var(--ink-light);
    border-radius: var(--sketch-radius-3);
    background: rgba(255, 255, 255, 0.7);
}

.help-section--single {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.help-faq-item {
    scroll-margin-top: 96px;
}

@media (max-width: 640px) {
    #page-bangzhu {
        padding-bottom: 72px;
    }
    .help-hero h1 {
        font-size: 28px;
    }
    .help-hero-lead {
        font-size: 16px;
    }
    .help-quick-links {
        gap: 8px;
        margin-bottom: 32px;
    }
    .help-quick-links a {
        padding: 9px 14px;
        font-size: 14px;
    }
    .help-section h2 {
        font-size: 22px;
    }
    .help-faq-list {
        gap: 12px;
    }
    .help-faq-item {
        padding: 16px 14px;
        scroll-margin-top: 80px;
    }
    .help-faq-q {
        font-size: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .help-faq-q::before {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }
    .help-faq-a {
        font-size: 15px;
        padding-left: 0;
        line-height: 1.7;
    }
}