/* AI 贝拉 - 温馨悬浮球 + 面板（酒红主色 + 暖米/暖金） */
#acappella-qa-widget {
    --aqa-wine: var(--b2-brand, #6f0718);
    --aqa-wine-mid: var(--b2-brand-mid, #8b1528);
    --aqa-wine-deep: var(--b2-brand-deep, #3d0410);
    --aqa-gold: var(--b2-gold, #d4a574);
    --aqa-gold-soft: var(--b2-gold-soft, rgba(212, 165, 116, 0.55));
    --aqa-ink: var(--b2-ink, #1a1214);
    --aqa-muted: var(--b2-muted, #6b5c60);
    --aqa-page: var(--b2-page, #fff8f4);
    --aqa-page-mid: var(--b2-page-mid, #f4ebe8);
    --aqa-soft: var(--b2-soft, #f7f2f0);
    position: fixed;
    right: 18px;
    bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    z-index: 99998;
    font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    color: var(--aqa-ink);
}
#acappella-qa-widget *,
#acappella-qa-widget *::before,
#acappella-qa-widget *::after { box-sizing: border-box; }

/* ---------- FAB：贝拉头像球 ---------- */
.acappella-qa-toggle {
    position: relative;
    width: 60px;
    height: 60px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #fff;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    user-select: none;
    transition: transform 180ms ease;
}
.acappella-qa-toggle:hover { transform: scale(1.06); }
.acappella-qa-toggle:active { transform: scale(0.94); }
#acappella-qa-widget.aqa-dragging .acappella-qa-toggle {
    cursor: grabbing;
    transition: none;
    transform: scale(1.04);
}
#acappella-qa-widget.aqa-dragging {
    z-index: 100060;
}

.acappella-qa-toggle-ring {
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1.5px solid var(--aqa-gold-soft);
    opacity: 0.75;
    pointer-events: none;
    animation: aqa-pulse-ring 2.6s ease-out infinite;
}
.acappella-qa-toggle-ring::after {
    content: "";
    position: absolute;
    inset: -7px;
    border-radius: 50%;
    border: 1px solid rgba(111, 7, 24, 0.22);
    animation: aqa-pulse-ring 2.6s ease-out 0.9s infinite;
}

.acappella-qa-toggle-core {
    position: relative;
    z-index: 1;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #f5ebe6;
    box-shadow:
        0 0 0 2px rgba(255, 248, 240, 0.95),
        0 0 0 3px rgba(212, 165, 116, 0.55),
        0 10px 24px rgba(111, 7, 24, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.acappella-qa-toggle-core--avatar {
    background:
        radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.55) 0%, transparent 42%),
        #f5ebe6;
}

.acappella-qa-toggle-avatar {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    pointer-events: none;
}

.acappella-qa-core-icon {
    width: 26px;
    height: 26px;
    color: #fff8f0;
    filter: drop-shadow(0 0 4px rgba(212, 165, 116, 0.45));
}

@keyframes aqa-pulse-ring {
    0% { transform: scale(0.92); opacity: 0.75; }
    70% { transform: scale(1.12); opacity: 0; }
    100% { transform: scale(1.12); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .acappella-qa-toggle-ring,
    .acappella-qa-toggle-ring::after { animation: none; opacity: 0.45; }
    .acappella-qa-open .acappella-qa-panel { animation: none; }
    .acappella-qa-typing-dots span { animation: none; opacity: 0.6; }
}

.acappella-qa-closed .acappella-qa-panel { display: none; }
.acappella-qa-closed .acappella-qa-toggle { display: flex; }
.acappella-qa-open .acappella-qa-toggle { display: none; }
.acappella-qa-open .acappella-qa-panel { display: flex; }

/* ---------- Panel ---------- */
.acappella-qa-panel {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(400px, calc(100vw - 32px));
    /* 桌面：约 700，欢迎区少滚动；勿贴满视口以免中间大空白 */
    height: min(700px, calc(100vh - 72px));
    height: min(700px, calc(100dvh - 72px));
    max-height: min(700px, calc(100dvh - 72px));
    flex-direction: column;
    overflow: hidden;
    background:
        linear-gradient(180deg, #fff8f4 0%, #f4ebe8 52%, #efe4e0 100%);
    border-radius: 20px;
    border: 1px solid rgba(111, 7, 24, 0.1);
    box-shadow:
        0 16px 44px rgba(61, 4, 16, 0.18),
        0 0 0 1px rgba(212, 165, 116, 0.14);
    animation: aqa-panel-in 220ms cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes aqa-panel-in {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to { opacity: 1; transform: none; }
}

/* 桌面面板头：暖米底 + 酒红字 */
.acappella-qa-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 14px 15px;
    color: var(--aqa-ink);
    background:
        radial-gradient(ellipse at 8% 0%, rgba(212, 165, 116, 0.22) 0%, transparent 48%),
        linear-gradient(180deg, #fffaf7 0%, #f7f0ec 100%);
    border-bottom: 1px solid rgba(111, 7, 24, 0.08);
}
.acappella-qa-header::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 165, 116, 0.5), transparent);
}

.acappella-qa-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.acappella-qa-avatar {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #f5ebe6;
    box-shadow:
        0 0 0 2px #fff,
        0 0 0 3px rgba(212, 165, 116, 0.55),
        0 4px 12px rgba(111, 7, 24, 0.12);
}
.acappella-qa-avatar-img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}
.acappella-qa-avatar-face {
    display: none;
}
.acappella-qa-avatar .acappella-qa-core-icon {
    width: 20px;
    height: 20px;
}
.acappella-qa-title strong {
    display: block;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.2;
    background: linear-gradient(100deg, #8b1528 0%, #6f0718 55%, #a05a2a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: #6f0718;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
    .acappella-qa-title strong {
        color: transparent;
    }
}
.acappella-qa-title small {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    color: var(--aqa-muted);
    opacity: 1;
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.acappella-qa-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    align-items: center;
}
.acappella-qa-actions button {
    position: relative;
    width: 32px;
    height: 32px;
    padding: 0;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(111, 7, 24, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--aqa-wine);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(61, 4, 16, 0.06);
    transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}
.acappella-qa-actions button svg {
    width: 15px;
    height: 15px;
    pointer-events: none;
}
.acappella-qa-actions button:hover {
    background: #fff;
    border-color: rgba(212, 165, 116, 0.7);
    box-shadow: 0 2px 8px rgba(111, 7, 24, 0.1);
    transform: translateY(-1px);
}
.acappella-qa-actions button:active {
    transform: scale(0.94);
}
.acappella-qa-actions .acappella-qa-new {
    border-color: transparent;
    color: #fff8f0;
    background: linear-gradient(145deg, #8b1528 0%, #6f0718 100%);
    box-shadow: 0 4px 12px rgba(111, 7, 24, 0.28);
}
.acappella-qa-actions .acappella-qa-new:hover {
    filter: brightness(1.05);
    border-color: transparent;
    box-shadow: 0 6px 16px rgba(111, 7, 24, 0.32);
}
.acappella-qa-actions .acappella-qa-close:hover {
    background: rgba(111, 7, 24, 0.08);
    border-color: rgba(111, 7, 24, 0.2);
}

.acappella-qa-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px 14px 8px;
    background:
        radial-gradient(ellipse at 10% 0%, rgba(212, 165, 116, 0.12), transparent 42%),
        radial-gradient(ellipse at 100% 8%, rgba(111, 7, 24, 0.06), transparent 40%),
        linear-gradient(180deg, #faf6f4 0%, #f3ecea 100%);
}

/* 欢迎卡：对齐参考图对话首页（品牌酒红系） */
.acappella-qa-welcome {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 2px 0 8px;
    min-height: 0;
}
.acappella-qa-welcome-hero {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 2px 2px;
    min-height: 96px;
}
.acappella-qa-welcome-hero-text {
    flex: 1 1 auto;
    min-width: 0;
    padding-bottom: 8px;
}
.acappella-qa-welcome-brand {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 0.02em;
    background: linear-gradient(100deg, #8b1528 0%, #6f0718 55%, #a05a2a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.15;
}
.acappella-qa-welcome-sub {
    margin-top: 6px;
    font-size: 13px;
    color: var(--aqa-muted);
}
.acappella-qa-welcome-hi {
    margin: 10px 0 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--aqa-ink);
}
.acappella-qa-welcome-mascot {
    position: relative;
    flex: 0 0 auto;
    width: 108px;
    height: 108px;
}
.acappella-qa-welcome-mascot img {
    display: block;
    width: 108px;
    height: 108px;
    object-fit: cover;
    border-radius: 50%;
    background: #f5ebe6;
    box-shadow:
        0 8px 24px rgba(111, 7, 24, 0.18),
        0 0 0 3px rgba(255, 255, 255, 0.9);
}
.acappella-qa-welcome-hi-bubble {
    position: absolute;
    left: -6px;
    top: 8px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #fff;
    color: #8b1528;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(61, 4, 16, 0.12);
    white-space: nowrap;
}
.acappella-qa-welcome-card {
    background: #fff;
    border-radius: 18px;
    padding: 14px 14px 12px;
    box-shadow:
        0 10px 28px rgba(61, 4, 16, 0.07),
        0 0 0 1px rgba(111, 7, 24, 0.05);
}
.acappella-qa-welcome-card-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 12px;
}
.acappella-qa-welcome-card-hd span {
    font-size: 14px;
    font-weight: 650;
    color: var(--aqa-ink);
}
.acappella-qa-welcome-card-hd span::before {
    content: "✦ ";
    color: var(--aqa-wine-mid);
    font-weight: 700;
}
.acappella-qa-welcome-card-hd time {
    font-size: 11px;
    color: #9a8a8e;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.acappella-qa-welcome-prompts {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.acappella-qa-welcome-prompts button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    text-align: left;
    padding: 12px 14px;
    border: 0;
    border-radius: 12px;
    background: #f7f2f0;
    color: var(--aqa-ink);
    font: inherit;
    font-size: 13px;
    line-height: 1.4;
    cursor: pointer;
    transition: background 140ms ease, transform 140ms ease;
}
.acappella-qa-welcome-prompts button::before {
    content: "✧";
    flex: 0 0 auto;
    color: var(--aqa-wine-mid);
    font-size: 13px;
}
.acappella-qa-welcome-prompts button:active {
    background: #efe6e3;
    transform: scale(0.99);
}
.acappella-qa-welcome-tags {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(111, 7, 24, 0.06);
}
.acappella-qa-welcome-tags-title {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 650;
    color: var(--aqa-ink);
}
.acappella-qa-welcome-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.acappella-qa-welcome-tags-row button {
    flex: 0 0 auto;
    padding: 6px 11px;
    border: 0;
    border-radius: 999px;
    background: rgba(111, 7, 24, 0.06);
    color: var(--aqa-wine);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}
.acappella-qa-welcome-tags-row button:active {
    background: rgba(111, 7, 24, 0.12);
}

.acappella-qa-msg {
    display: flex;
    margin-bottom: 12px;
}
.acappella-qa-msg-user { justify-content: flex-end; }
.acappella-qa-msg-assistant { justify-content: flex-start; }

.acappella-qa-bubble {
    max-width: 85%;
    padding: 10px 13px;
    border-radius: 14px;
    line-height: 1.55;
    word-wrap: break-word;
    white-space: pre-wrap;
}
.acappella-qa-msg-user .acappella-qa-bubble {
    color: #fff;
    background: linear-gradient(145deg, #8b1528 0%, #6f0718 55%, #520512 100%);
    border-bottom-right-radius: 5px;
    box-shadow: 0 4px 12px rgba(111, 7, 24, 0.2);
}
.acappella-qa-msg-assistant .acappella-qa-bubble {
    color: var(--aqa-ink);
    background: #fff;
    border: 1px solid rgba(111, 7, 24, 0.08);
    border-left: 2.5px solid rgba(111, 7, 24, 0.55);
    border-bottom-left-radius: 5px;
    box-shadow: 0 2px 8px rgba(61, 4, 16, 0.05);
}

.acappella-qa-bubble code {
    background: rgba(111, 7, 24, 0.08);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 13px;
}
.acappella-qa-bubble pre {
    background: #1f1418;
    color: #f8f0f2;
    padding: 8px 10px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 12px;
}
.acappella-qa-bubble pre code { background: transparent; color: inherit; padding: 0; }
.acappella-qa-bubble a { color: var(--aqa-wine); text-decoration: underline; }
.acappella-qa-msg-user .acappella-qa-bubble a { color: #ffe8c8; }
.acappella-qa-bubble .acappella-qa-cite {
    color: var(--aqa-wine);
    font-weight: 700;
    font-size: 11px;
    margin: 0 2px;
}

.acappella-qa-sources {
    margin-top: 6px;
    max-width: 85%;
    padding: 7px 10px;
    background: linear-gradient(90deg, rgba(212, 165, 116, 0.18), rgba(255, 248, 240, 0.9));
    border-left: 3px solid var(--aqa-gold);
    border-radius: 6px;
    font-size: 12px;
}
.acappella-qa-sources-title { color: #7a5a32; margin-bottom: 3px; font-weight: 600; }
.acappella-qa-source-item { color: #5a4a36; }
.acappella-qa-source-item a { color: var(--aqa-wine); }

/* Typing: three dots */
.acappella-qa-typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 1.2em;
    padding: 2px 0;
}
.acappella-qa-typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--aqa-wine-mid);
    opacity: 0.35;
    animation: aqa-dot 1.2s ease-in-out infinite;
}
.acappella-qa-typing-dots span:nth-child(2) { animation-delay: 0.18s; }
.acappella-qa-typing-dots span:nth-child(3) { animation-delay: 0.36s; }
@keyframes aqa-dot {
    0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(-3px); }
}

.acappella-qa-suggestions {
    padding: 8px 12px 10px;
    background: transparent;
    border-top: 0;
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.acappella-qa-suggestions::-webkit-scrollbar { display: none; }
.acappella-qa-suggestions button {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(111, 7, 24, 0.1);
    color: var(--aqa-wine);
    padding: 7px 12px;
    border-radius: 12px;
    font-size: 12px;
    cursor: pointer;
    flex: 0 0 auto;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(61, 4, 16, 0.04);
    transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.acappella-qa-suggestions button:hover {
    background: var(--aqa-wine);
    border-color: var(--aqa-wine);
    color: #fff;
}

.acappella-qa-input {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0 12px 12px;
    padding: 4px 4px 4px 14px;
    border: 1px solid rgba(111, 7, 24, 0.1);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(61, 4, 16, 0.06);
}
.acappella-qa-input textarea {
    flex: 1;
    border: 0;
    border-radius: 0;
    padding: 10px 8px;
    font: inherit;
    font-size: 14px;
    resize: none;
    outline: none;
    min-height: 40px;
    max-height: 120px;
    overflow-y: auto;
    background: transparent;
    box-shadow: none;
}
.acappella-qa-input textarea:focus {
    border: 0;
    box-shadow: none;
    background: transparent;
}
.acappella-qa-input button[type="submit"] {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: #fff;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 35% 30%, rgba(255, 220, 190, 0.28), transparent 45%),
        linear-gradient(145deg, #8b1528, #6f0718 55%, #3d0410);
    box-shadow:
        0 0 0 1px rgba(212, 165, 116, 0.3),
        0 4px 12px rgba(111, 7, 24, 0.3);
    transition: transform 140ms ease, opacity 140ms ease;
}
.acappella-qa-input button[type="submit"]:hover { transform: scale(1.05); }
.acappella-qa-input button[type="submit"]:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.acappella-qa-input button[type="submit"] svg { width: 17px; height: 17px; }

.acappella-qa-loading,
.acappella-qa-empty { text-align: center; color: var(--aqa-muted); padding: 20px; font-size: 13px; }
.acappella-qa-error {
    background: #fdecee;
    color: #8a1520;
    padding: 10px;
    margin: 10px 0;
    border-radius: 8px;
    font-size: 13px;
    border: 1px solid rgba(111, 7, 24, 0.12);
}
.acappella-qa-error-inline { color: #8a1520; font-size: 13px; }
.acappella-qa-login-hint { text-align: center; padding: 30px 20px; }
.acappella-qa-login-hint p { color: var(--aqa-muted); margin-bottom: 14px; }
.acappella-qa-login-btn {
    display: inline-block;
    padding: 9px 20px;
    background: linear-gradient(145deg, #8b1528, #6f0718);
    color: #fff !important;
    border-radius: 999px;
    text-decoration: none !important;
    box-shadow: 0 4px 12px rgba(111, 7, 24, 0.25);
}

.acappella-qa-history-list {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fffaf8;
    overflow-y: auto;
    padding: 8px;
    z-index: 5;
}
@media screen and (max-width: 768px) {
    #acappella-qa-widget.acappella-qa-open .acappella-qa-history-list {
        top: calc(56px + env(safe-area-inset-top, 0px));
        background: #fffaf8;
    }
}
.acappella-qa-history-item {
    padding: 11px 12px;
    border-bottom: 1px solid rgba(111, 7, 24, 0.06);
    border-radius: 8px;
    cursor: pointer;
}
.acappella-qa-history-item:hover { background: rgba(111, 7, 24, 0.04); }
.acappella-qa-history-title { font-size: 14px; color: var(--aqa-ink); }
.acappella-qa-history-meta { font-size: 11px; color: var(--aqa-muted); margin-top: 2px; }

/*
 * 桌面：躲开主题右侧 .aside-container（约 36–40px）
 * 打开面板时用 overflow:hidden 锁页，勿 position:fixed（会空出竖向滚动条）
 */
@media screen and (min-width: 769px) {
    #acappella-qa-widget {
        right: 56px;
        bottom: 20px;
    }
    /* 桌面：约 700 高，欢迎区少滚动；勿 100dvh 贴满 */
    #acappella-qa-widget.acappella-qa-open .acappella-qa-panel,
    .acappella-qa-panel {
        height: min(700px, calc(100vh - 72px));
        height: min(700px, calc(100dvh - 72px));
        max-height: min(700px, calc(100vh - 72px));
        max-height: min(700px, calc(100dvh - 72px));
    }
    .acappella-qa-welcome {
        min-height: 0;
    }
    html.aqa-panel-open,
    html.aqa-panel-open body,
    body.aqa-panel-open {
        overflow: hidden !important;
        overscroll-behavior: none;
    }
}

/* 微信内置浏览器：避免被底栏/工具栏遮住 */
@supports (-webkit-touch-callout: none) {
    @media screen and (max-width: 768px) {
        #acappella-qa-widget:not(.acappella-qa-open) {
            bottom: calc(72px + env(safe-area-inset-bottom, 0px) + 8px);
            z-index: 100050;
        }
    }
}

@media screen and (max-width: 768px) {
    #acappella-qa-widget {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px));
        right: 12px;
        z-index: 100050;
    }

    /* 打开后：整屏不透明遮罩；高度必须撑满（勿 height:auto，绝对定位面板会塌成空白） */
    #acappella-qa-widget.acappella-qa-open {
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        right: auto !important;
        bottom: auto !important;
        padding: 0;
        margin: 0;
        max-width: 100vw;
        width: 100% !important;
        height: 100% !important;
        min-height: 100dvh !important;
        min-height: 100vh !important;
        overflow: hidden !important;
        background:
            radial-gradient(ellipse at 85% 8%, rgba(212, 165, 116, 0.22), transparent 42%),
            radial-gradient(ellipse at 10% 0%, rgba(111, 7, 24, 0.08), transparent 38%),
            linear-gradient(165deg, #fff8f4 0%, #f4ebe8 48%, #efe4e0 100%);
        box-shadow: none;
        pointer-events: auto !important;
        z-index: 100060;
    }

    #acappella-qa-widget.acappella-qa-open .acappella-qa-panel {
        position: absolute !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
        width: 100% !important;
        height: 100% !important;
        max-height: none !important;
        border-radius: 0;
        border: 0;
        box-shadow: none;
        animation: none;
        display: flex !important;
        flex-direction: column;
        overflow: hidden;
        background: transparent;
    }

    html.aqa-panel-open,
    html.aqa-panel-open body,
    body.aqa-panel-open {
        overflow: hidden !important;
        overscroll-behavior: none;
    }

    /* 移动端欢迎首页：轻顶栏，对齐参考图 */
    #acappella-qa-widget.acappella-qa-open .acappella-qa-header {
        padding: 12px 14px calc(10px + env(safe-area-inset-top, 0px));
        padding-top: calc(12px + env(safe-area-inset-top, 0px));
        color: var(--aqa-ink);
        background: transparent;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-header::after {
        display: none;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-title strong {
        background: linear-gradient(100deg, #8b1528 0%, #6f0718 55%, #a05a2a 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        font-size: 18px;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-title small {
        color: var(--aqa-muted);
        opacity: 1;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-actions button {
        color: #5a4548;
        border-color: rgba(111, 7, 24, 0.12);
        background: rgba(255, 255, 255, 0.72);
        box-shadow: 0 2px 8px rgba(61, 4, 16, 0.06);
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-actions .acappella-qa-new {
        background: linear-gradient(145deg, #8b1528, #6f0718);
        border-color: transparent;
        color: #fff;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-messages {
        flex: 1 1 auto;
        min-height: 0;
        padding: 4px 14px 8px;
        background: transparent;
        -webkit-overflow-scrolling: touch;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-header,
    #acappella-qa-widget.acappella-qa-open .acappella-qa-suggestions,
    #acappella-qa-widget.acappella-qa-open .acappella-qa-input {
        flex: 0 0 auto;
    }

    /* 键盘弹起：藏 chips；去掉 safe-area 底边距，避免输入框与键盘之间空白块 */
    #acappella-qa-widget.acappella-qa-open.aqa-kb-open .acappella-qa-suggestions,
    #acappella-qa-widget.acappella-qa-open.aqa-input-focus .acappella-qa-suggestions {
        display: none !important;
    }
    #acappella-qa-widget.acappella-qa-open .acappella-qa-input {
        margin: 0 12px max(8px, env(safe-area-inset-bottom, 0px)) !important;
    }
    #acappella-qa-widget.acappella-qa-open.aqa-kb-open .acappella-qa-input,
    #acappella-qa-widget.acappella-qa-open.aqa-input-focus .acappella-qa-input {
        margin: 0 10px 4px !important;
        padding-bottom: 4px !important;
    }

    .acappella-qa-toggle,
    .acappella-qa-toggle-core {
        width: 56px;
        height: 56px;
    }
    .acappella-qa-toggle-core .acappella-qa-core-icon {
        width: 24px;
        height: 24px;
    }
}