/* sitepage — depends on tokens.css */
.sp-wrap {
    width: min(var(--sa-wrap, 1160px), calc(100% - 32px));
    margin: 0 auto;
}
.sp-body {
    margin: 0;
    font-family: var(--sa-font, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif);
    color: var(--sa-text, #1f2937);
    background: var(--sa-bg, #f5f7fb);
}
.sp-main {
    padding: 28px 0 72px;
}
.sp-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.sp-nav-item {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--sa-line, #e8eaef);
    background: #fff;
    color: var(--sa-text-secondary, #334155);
    text-decoration: none;
    font-size: 14px;
    transition: all .2s ease;
}
.sp-nav-item:hover {
    border-color: var(--sa-brand-soft-2, #bae7ff);
    color: var(--sa-brand, #1890ff);
}
.sp-nav-item.is-active {
    background: var(--sa-brand, #1890ff);
    border-color: var(--sa-brand, #1890ff);
    color: #fff;
}
.sp-card {
    background: #fff;
    border: 1px solid var(--sa-line, #e8eaef);
    border-radius: 16px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.04);
    padding: 32px 36px 40px;
}
.sp-head {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--sa-line-soft, #f1f5f9);
}
.sp-kicker {
    margin: 0 0 10px;
    color: var(--sa-brand, #1890ff);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
}
.sp-head h1 {
    margin: 0;
    font-size: 30px;
    line-height: 1.3;
    color: var(--sa-text-title, #0f172a);
}
.sp-lead {
    margin: 10px 0 0;
    color: var(--sa-muted, #64748b);
    font-size: 15px;
}
.sp-agree-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}
.sp-agree-tab {
    display: inline-flex;
    align-items: center;
    height: 34px;
    padding: 0 14px;
    border-radius: 8px;
    background: var(--sa-bg-soft, #f8fafc);
    border: 1px solid transparent;
    color: var(--sa-text-secondary, #334155);
    text-decoration: none;
    font-size: 13px;
}
.sp-agree-tab:hover {
    color: var(--sa-brand, #1890ff);
}
.sp-agree-tab.is-active {
    background: var(--sa-brand-soft, #e6f7ff);
    border-color: var(--sa-brand-soft-2, #bae7ff);
    color: var(--sa-brand, #1890ff);
    font-weight: 600;
}
.sp-contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.sp-contact-item {
    background: linear-gradient(135deg, #f0f7ff 0%, #fff 70%);
    border: 1px solid var(--sa-line, #e8eaef);
    border-radius: 12px;
    padding: 14px 16px;
}
.sp-contact-item-wide {
    grid-column: 1 / -1;
}
.sp-contact-item span {
    display: block;
    font-size: 12px;
    color: var(--sa-muted, #64748b);
    margin-bottom: 6px;
}
.sp-contact-item strong {
    display: block;
    font-size: 15px;
    color: var(--sa-text-title, #0f172a);
    font-weight: 600;
    word-break: break-all;
}
.sp-contact-item a {
    color: var(--sa-brand, #1890ff);
    text-decoration: none;
}
.sp-content {
    font-size: 15px;
    line-height: 1.85;
    color: var(--sa-text-secondary, #334155);
}
.sp-content h2,
.sp-content h3 {
    margin: 1.4em 0 0.6em;
    color: var(--sa-text-title, #0f172a);
    line-height: 1.4;
}
.sp-content h2:first-child,
.sp-content h3:first-child,
.sp-content p:first-child {
    margin-top: 0;
}
.sp-content p {
    margin: 0 0 1em;
}
.sp-content ul,
.sp-content ol {
    margin: 0 0 1em;
    padding-left: 1.3em;
}
.sp-content a {
    color: var(--sa-brand, #1890ff);
}
@media (max-width: 768px) {
    .sp-card { padding: 22px 18px 28px; }
    .sp-head h1 { font-size: 24px; }
    .sp-contact-grid { grid-template-columns: 1fr; }
}