.ac-section {
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--sg-border);
}
.ac-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}
.ac-head i {
    font-size: 17px;
    color: var(--sg-accent-light);
}
.ac-head-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sg-text);
}
.ac-head-sub {
    font-size: 13px;
    color: var(--sg-text-muted);
    margin: 4px 0 18px;
}
.ac-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}
.ac-card-danger {
    border-color: var(--sg-danger, rgba(229, 72, 77, 0.28));
}
.ac-delete-confirm {
    margin-top: 12px;
    padding: 12px;
    border: 1px dashed var(--sg-danger, rgba(229, 72, 77, 0.4));
    border-radius: var(--sg-radius-sm);
    background: rgba(229, 72, 77, 0.04);
}
.ac-input-label {
    display: block;
    font-size: 12px;
    color: var(--sg-text-secondary);
    margin-bottom: 8px;
}
.ac-btn-outline {
    background: transparent;
    border: 1px solid var(--sg-danger, #e5484d);
    color: var(--sg-danger, #e5484d);
}
.ac-btn-outline:hover {
    background: var(--sg-danger, #e5484d);
    color: #fff;
}
.ac-card {
    min-width: 0;
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius-sm);
    background: var(--sg-surface);
    padding: 18px;
    transition: var(--sg-transition);
}
.ac-card:hover {
    border-color: var(--sg-border-hover);
}
.ac-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--sg-text);
    margin-bottom: 6px;
}
.ac-card-desc {
    font-size: 12px;
    color: var(--sg-text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}
.ac-profile {
    display: flex;
    align-items: center;
    gap: 14px;
}
.ac-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--sg-blue-deep);
    background: var(--sg-accent-dim);
    border: 1px solid var(--sg-border-hover);
    flex-shrink: 0;
}
.ac-username {
    font-size: 16px;
    font-weight: 700;
    color: var(--sg-text);
    margin-bottom: 6px;
}
.ac-contact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--sg-text-secondary);
}
.ac-contact-value {
    word-break: break-all;
}
.ac-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    line-height: 1;
    padding: 3px 8px;
    border-radius: 999px;
    color: var(--sg-text-dim);
    background: rgba(255, 255, 255, 0.06);
}
.ac-badge.on {
    color: var(--sg-success);
    background: rgba(22, 163, 74, 0.14);
}
.ac-badge.vip {
    color: #fbbf24;
    background: rgba(202, 138, 4, 0.18);
}
.ac-meta {
    margin-top: 12px;
    font-size: 12px;
    color: var(--sg-text-dim);
}
.ac-row {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.ac-input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--sg-text);
    border-radius: 10px;
    border: 1px solid var(--sg-border);
    background: rgba(255, 255, 255, 0.05);
    outline: none;
    font-family: inherit;
    transition: var(--sg-transition);
}
.ac-input:focus {
    border-color: var(--sg-border-hover);
}
.ac-input::placeholder {
    color: var(--sg-text-dim);
}
.ac-btn {
    border: none;
    border-radius: 10px;
    padding: 0 16px;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    background: var(--sg-blue-deep);
    color: #fff;
    font-weight: 600;
    transition: var(--sg-transition);
}
.ac-btn:hover {
    background: var(--sg-blue-mid);
}
.ac-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.ac-btn-ghost {
    background: none;
    border: 1px solid var(--sg-border);
    color: var(--sg-text-secondary);
}
.ac-btn-ghost:hover {
    color: var(--sg-text);
    border-color: var(--sg-border-hover);
    background: var(--sg-surface-hover);
}
.ac-btn-danger {
    background: #ef4444;
    color: #fff;
}
.ac-btn-danger:hover {
    background: #dc2626;
}
.ac-btn-danger:disabled {
    opacity: .6;
    cursor: not-allowed;
}
.ac-msg-error {
    font-size: 12px;
    color: var(--sg-danger);
    margin-bottom: 10px;
}
.ac-msg-info {
    font-size: 12px;
    color: var(--sg-success);
    margin-bottom: 10px;
}
.ac-session {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--sg-border);
    font-size: 13px;
    color: var(--sg-text-secondary);
}
.ac-session:last-child {
    border-bottom: none;
}
.ac-session i {
    color: var(--sg-text-dim);
    width: 18px;
    text-align: center;
}
.ac-session-info {
    flex: 1;
    min-width: 0;
}
.ac-session-device {
    color: var(--sg-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ac-session-time {
    font-size: 11px;
    color: var(--sg-text-dim);
    margin-top: 2px;
}
.ac-session-list.is-scroll {
    max-height: 320px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.ac-session-revoke {
    flex-shrink: 0;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--sg-text-secondary);
    background: none;
    border: 1px solid var(--sg-border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--sg-transition);
}
.ac-session-revoke:hover {
    color: var(--sg-danger, #e5484d);
    border-color: var(--sg-danger, rgba(229, 72, 77, 0.4));
}
.ac-session-revoke:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.ac-session-toggle {
    display: inline-block;
    margin-top: 8px;
    padding: 0;
    border: none;
    background: none;
    font-size: 12px;
    color: var(--sg-accent);
    cursor: pointer;
}
.ac-session-toggle:hover {
    text-decoration: underline;
}
.ac-session-empty {
    font-size: 12px;
    color: var(--sg-text-dim);
    padding: 8px 0;
}
.ac-state {
    text-align: center;
    padding: 12px 0;
    font-size: 13px;
    color: var(--sg-text-muted);
}
.ac-state a {
    color: var(--sg-accent-light);
    text-decoration: none;
}
@media (max-width: 768px) {
    .ac-section { margin-top: 32px; padding-top: 24px; }
    .ac-card { padding: 16px; }
    .ac-row { flex-direction: column; }
    .ac-btn { padding: 10px 16px; }
}