/**
 * MFC Comments - 前台评论样式
 *
 * 结构约定：
 * 1. 所有类名统一 mfc- 前缀，避免污染主题样式（代码规范 26）
 * 2. 颜色 / 圆角 / 字号全部走 CSS 变量，后台改设置即可换肤（开发文档 42）
 * 3. 不使用 !important，保证主题还能正常覆盖
 */

/* ==========================================================================
   1. 变量与基础
   ========================================================================== */

.mfc-comments {
    /* 以下变量会被 PHP 通过 wp_add_inline_style 覆盖 */
    --mfc-primary: #4f46e5;
    --mfc-primary-hover: #4338ca;
    --mfc-star: #ffb400;
    --mfc-text: #1f2937;
    --mfc-muted: #6b7280;
    --mfc-border: #e5e7eb;
    --mfc-surface: #ffffff;
    --mfc-page-bg: #f7f8fb;
    --mfc-avatar: 44px;
    --mfc-font: 14px;
    --mfc-radius: 12px;
    --mfc-gap: 16px;
    --mfc-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px -12px rgba(16, 24, 40, .12);

    /* 内部派生变量，保持内部一致 */
    --mfc-radius-sm: calc(var(--mfc-radius) * .6);
    --mfc-radius-lg: calc(var(--mfc-radius) * 1.4);
    --mfc-danger: #ef4444;
    --mfc-success: #10b981;
    --mfc-transition: .18s cubic-bezier(.4, 0, .2, 1);

    box-sizing: border-box;
    max-width: 860px;
    margin: 40px auto 0;
    color: var(--mfc-text);
    font-size: var(--mfc-font);
    line-height: 1.7;
    text-align: left;
    -webkit-font-smoothing: antialiased;
}

.mfc-comments *,
.mfc-comments *::before,
.mfc-comments *::after {
    box-sizing: inherit;
}

.mfc-comments button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
}

/* 屏幕阅读器专用文本 */
.mfc-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 蜜罐字段：视觉上彻底隐藏，但保留在 DOM 里等机器人来填 */
.mfc-honeypot {
    position: absolute !important;
    left: -9999px !important;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ==========================================================================
   2. 头部
   ========================================================================== */

.mfc-comments__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}

.mfc-comments__title {
    margin: 0;
    padding: 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--mfc-text);
    border: 0;
}

.mfc-comments__toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mfc-comments__total {
    color: var(--mfc-muted);
    font-size: .86em;
}

.mfc-comments__total strong {
    color: var(--mfc-primary);
    font-weight: 700;
}

/* 自定义下拉框 */
.mfc-select {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.mfc-select__input {
    appearance: none;
    -webkit-appearance: none;
    margin: 0;
    padding: 7px 30px 7px 12px;
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-sm);
    background: var(--mfc-surface);
    color: var(--mfc-text);
    font-size: .86em;
    line-height: 1.4;
    cursor: pointer;
    transition: border-color var(--mfc-transition), box-shadow var(--mfc-transition);
}

.mfc-select__input:hover {
    border-color: var(--mfc-primary);
}

.mfc-select__input:focus {
    outline: none;
    border-color: var(--mfc-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mfc-primary) 15%, transparent);
}

.mfc-select__arrow {
    position: absolute;
    right: 10px;
    display: inline-flex;
    color: var(--mfc-muted);
    pointer-events: none;
}

/* ==========================================================================
   3. 评分统计卡片
   ========================================================================== */

.mfc-summary {
    display: grid;
    grid-template-columns: minmax(150px, 200px) 1fr;
    gap: 28px;
    align-items: center;
    padding: 22px 24px;
    margin-bottom: var(--mfc-gap);
    background: linear-gradient(135deg,
    color-mix(in srgb, var(--mfc-primary) 6%, var(--mfc-surface)) 0%,
    var(--mfc-surface) 55%);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-lg);
    box-shadow: var(--mfc-shadow);
}

.mfc-summary__score {
    text-align: center;
    padding-right: 24px;
    border-right: 1px dashed var(--mfc-border);
}

.mfc-summary__number {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.mfc-summary__average {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.03em;
    color: var(--mfc-primary);
}

.mfc-summary__scale {
    font-size: .95rem;
    color: var(--mfc-muted);
}

.mfc-summary__score .mfc-stars {
    justify-content: center;
    margin: 8px 0 4px;
}

.mfc-summary__meta {
    margin: 0;
    font-size: .84em;
    color: var(--mfc-muted);
}

.mfc-summary__meta strong {
    color: var(--mfc-text);
}

.mfc-summary__positive {
    margin: 8px 0 0;
}

.mfc-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: .78em;
    font-weight: 600;
    line-height: 1.5;
}

.mfc-badge--success {
    color: #047857;
    background: color-mix(in srgb, var(--mfc-success) 14%, transparent);
}

.mfc-summary__bars {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.mfc-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 2px 0;
    border: 0;
    background: none;
    text-align: left;
    border-radius: var(--mfc-radius-sm);
    transition: background var(--mfc-transition);
}

.mfc-bar:hover {
    background: color-mix(in srgb, var(--mfc-primary) 6%, transparent);
}

.mfc-bar__label {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    flex: 0 0 40px;
    color: var(--mfc-muted);
    font-size: .82em;
    font-variant-numeric: tabular-nums;
}

.mfc-bar__label svg {
    color: var(--mfc-star);
}

.mfc-bar__track {
    position: relative;
    flex: 1 1 auto;
    height: 7px;
    overflow: hidden;
    background: color-mix(in srgb, var(--mfc-border) 70%, transparent);
    border-radius: 999px;
}

.mfc-bar__fill {
    display: block;
    height: 100%;
    min-width: 0;
    background: linear-gradient(90deg,
    var(--mfc-star) 0%,
    color-mix(in srgb, var(--mfc-star) 65%, var(--mfc-primary)) 100%);
    border-radius: 999px;
    transition: width .5s cubic-bezier(.4, 0, .2, 1);
}

.mfc-bar__value {
    flex: 0 0 32px;
    text-align: right;
    color: var(--mfc-muted);
    font-size: .82em;
    font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   4. 星级（只读）
   ========================================================================== */

.mfc-stars {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 1px;
    line-height: 0;
    vertical-align: middle;
}

.mfc-stars__layer {
    display: inline-flex;
    gap: 1px;
}

/* 彩色层按评分宽度裁切时，星形本身不能跟随容器收缩 */
.mfc-stars__layer svg {
    flex: 0 0 auto;
}

/* 上层按百分比裁切，做出 4.3 分这种半星效果 */
.mfc-stars__layer--fg {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--mfc-stars-fill, 100%);
    overflow: hidden;
    color: var(--mfc-star);
}

.mfc-stars__layer--bg {
    color: color-mix(in srgb, var(--mfc-border) 100%, transparent);
}

.mfc-stars--sm svg {
    width: 13px;
    height: 13px;
}

.mfc-stars--md svg {
    width: 16px;
    height: 16px;
}

.mfc-stars--lg svg {
    width: 21px;
    height: 21px;
}

/* ==========================================================================
   5. 表单
   ========================================================================== */

.mfc-form {
    padding: 22px 24px;
    margin-bottom: var(--mfc-gap);
    background: var(--mfc-surface);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-lg);
    box-shadow: var(--mfc-shadow);
}

.mfc-form__head {
    margin-bottom: 18px;
}

.mfc-form__title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 4px;
    padding: 0;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--mfc-text);
    border: 0;
}

.mfc-form__title svg {
    color: var(--mfc-primary);
}

.mfc-form__desc {
    margin: 0;
    font-size: .85em;
    color: var(--mfc-muted);
}

.mfc-form__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.mfc-form__logged {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    margin-bottom: 16px;
    border-radius: var(--mfc-radius-sm);
    background: color-mix(in srgb, var(--mfc-primary) 6%, transparent);
    font-size: .88em;
    color: var(--mfc-muted);
}

.mfc-form__logged strong {
    color: var(--mfc-text);
}

.mfc-form__logged-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    flex: 0 0 auto;
}

/* 字段 */
.mfc-field {
    margin-bottom: 16px;
}

.mfc-form__grid .mfc-field {
    margin-bottom: 0;
}

.mfc-field__label {
    display: block;
    margin-bottom: 6px;
    font-size: .86em;
    font-weight: 600;
    color: var(--mfc-text);
}

.mfc-field__required {
    color: var(--mfc-danger);
    margin-left: 2px;
}

.mfc-field__optional {
    margin-left: 4px;
    font-weight: 400;
    color: var(--mfc-muted);
}

.mfc-field__help {
    display: block;
    margin-top: 5px;
    font-size: .78em;
    color: var(--mfc-muted);
}

.mfc-field__foot {
    display: flex;
    justify-content: flex-end;
    margin-top: 5px;
}

.mfc-input {
    display: block;
    width: 100%;
    margin: 0;
    padding: 10px 13px;
    font-family: inherit;
    font-size: 1em;
    line-height: 1.6;
    color: var(--mfc-text);
    background: var(--mfc-page-bg);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-sm);
    transition: border-color var(--mfc-transition), box-shadow var(--mfc-transition), background var(--mfc-transition);
    -webkit-appearance: none;
}

.mfc-input::placeholder {
    color: color-mix(in srgb, var(--mfc-muted) 70%, transparent);
}

.mfc-input:hover {
    border-color: color-mix(in srgb, var(--mfc-primary) 40%, var(--mfc-border));
}

.mfc-input:focus {
    outline: none;
    background: var(--mfc-surface);
    border-color: var(--mfc-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mfc-primary) 15%, transparent);
}

.mfc-input.mfc-input--error {
    border-color: var(--mfc-danger);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mfc-danger) 13%, transparent);
}

.mfc-textarea {
    min-height: 118px;
    resize: vertical;
}

.mfc-counter {
    font-size: .78em;
    color: var(--mfc-muted);
    font-variant-numeric: tabular-nums;
}

/* 评分输入 */
.mfc-field--rating {
    padding: 14px 16px;
    background: var(--mfc-page-bg);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius);
}

.mfc-rating-input {
    display: flex;
    align-items: center;
    gap: 4px;
}

.mfc-star-btn {
    display: inline-flex;
    padding: 2px;
    border: 0;
    background: none;
    color: #d1d5db;
    color: color-mix(in srgb, var(--mfc-border) 120%, transparent);
    line-height: 0;
    border-radius: 6px;
    transition: transform var(--mfc-transition), color var(--mfc-transition);
}

.mfc-star-btn:hover {
    transform: scale(1.14);
}

.mfc-star-btn:focus-visible {
    outline: 2px solid var(--mfc-primary);
    outline-offset: 2px;
}

/* 通过容器上的 data-value / data-hover 控制点亮前 N 颗 */
.mfc-rating-input[data-hover="1"] .mfc-star-btn:nth-child(-n+1),
.mfc-rating-input[data-hover="2"] .mfc-star-btn:nth-child(-n+2),
.mfc-rating-input[data-hover="3"] .mfc-star-btn:nth-child(-n+3),
.mfc-rating-input[data-hover="4"] .mfc-star-btn:nth-child(-n+4),
.mfc-rating-input[data-hover="5"] .mfc-star-btn:nth-child(-n+5),
.mfc-rating-input[data-value="1"] .mfc-star-btn:nth-child(-n+1),
.mfc-rating-input[data-value="2"] .mfc-star-btn:nth-child(-n+2),
.mfc-rating-input[data-value="3"] .mfc-star-btn:nth-child(-n+3),
.mfc-rating-input[data-value="4"] .mfc-star-btn:nth-child(-n+4),
.mfc-rating-input[data-value="5"] .mfc-star-btn:nth-child(-n+5) {
    color: var(--mfc-star);
}

.mfc-rating-input__text {
    margin-left: 10px;
    font-size: .85em;
    font-weight: 600;
    color: var(--mfc-muted);
    transition: color var(--mfc-transition);
}

.mfc-rating-input[data-value="1"] .mfc-rating-input__text,
.mfc-rating-input[data-value="2"] .mfc-rating-input__text,
.mfc-rating-input[data-value="3"] .mfc-rating-input__text,
.mfc-rating-input[data-value="4"] .mfc-rating-input__text,
.mfc-rating-input[data-value="5"] .mfc-rating-input__text {
    color: var(--mfc-star);
}

/* ==========================================================================
   6. 上传区
   ========================================================================== */

.mfc-uploader {
    margin-bottom: 16px;
}

.mfc-uploader__drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 22px 16px;
    text-align: center;
    background: var(--mfc-page-bg);
    border: 1.5px dashed var(--mfc-border);
    border-radius: var(--mfc-radius);
    transition: border-color var(--mfc-transition), background var(--mfc-transition), transform var(--mfc-transition);
}

.mfc-uploader__drop.is-dragover {
    border-color: var(--mfc-primary);
    background: color-mix(in srgb, var(--mfc-primary) 7%, transparent);
    transform: scale(1.005);
}

.mfc-uploader__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 2px;
    color: var(--mfc-primary);
    background: color-mix(in srgb, var(--mfc-primary) 11%, transparent);
    border-radius: 50%;
}

.mfc-uploader__text {
    margin: 0;
    font-size: .88em;
    color: var(--mfc-muted);
}

.mfc-uploader__pick {
    padding: 0;
    border: 0;
    background: none;
    color: var(--mfc-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mfc-uploader__pick:hover {
    color: var(--mfc-primary-hover);
}

.mfc-uploader__hint {
    margin: 0;
    font-size: .76em;
    color: color-mix(in srgb, var(--mfc-muted) 85%, transparent);
}

.mfc-uploader__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.mfc-uploader__list:empty {
    display: none;
}

.mfc-uploader__counter {
    margin-top: 8px;
    font-size: .78em;
    color: var(--mfc-muted);
    text-align: right;
}

/* 单个上传项 */
.mfc-upload-item {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--mfc-page-bg);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-sm);
}

.mfc-upload-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mfc-upload-item__file {
    display: flex;
    width: 100%;
    height: 100%;
    padding: 12px 8px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    color: var(--mfc-primary);
    background: var(--mfc-primary-light, #eef2ff);
    box-sizing: border-box;
    text-align: center;
}

.mfc-upload-item__file b {
    font-size: 11px;
    letter-spacing: .08em;
}

.mfc-upload-item__file small {
    display: block;
    width: 100%;
    overflow: hidden;
    color: var(--mfc-muted);
    font-size: 9px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mfc-upload-item__remove {
    position: absolute;
    top: 5px;
    right: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    color: #fff;
    background: rgba(17, 24, 39, .62);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    line-height: 1;
    transition: background var(--mfc-transition), transform var(--mfc-transition);
}

.mfc-upload-item__remove:hover {
    background: var(--mfc-danger);
    transform: scale(1.1);
}

.mfc-upload-item__progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 4px;
    background: rgba(17, 24, 39, .22);
}

.mfc-upload-item__bar {
    display: block;
    height: 100%;
    width: 0;
    background: var(--mfc-primary);
    transition: width .2s linear;
}

.mfc-upload-item__state {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .76em;
    background: rgba(17, 24, 39, .5);
    /* 状态遮罩只负责展示，不能挡住右上角删除按钮。 */
    pointer-events: none;
}

.mfc-upload-item.is-error {
    border-color: var(--mfc-danger);
}

.mfc-upload-item.is-error .mfc-upload-item__state {
    background: rgba(239, 68, 68, .82);
}

.mfc-upload-item.is-done .mfc-upload-item__state {
    display: none;
}

/* ==========================================================================
   7. 按钮
   ========================================================================== */

.mfc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: .92em;
    font-weight: 600;
    line-height: 1.4;
    color: var(--mfc-text);
    background: var(--mfc-surface);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius-sm);
    transition: transform var(--mfc-transition), box-shadow var(--mfc-transition),
    background var(--mfc-transition), border-color var(--mfc-transition), opacity var(--mfc-transition);
}

.mfc-btn:hover {
    border-color: color-mix(in srgb, var(--mfc-primary) 40%, var(--mfc-border));
}

.mfc-btn:active {
    transform: translateY(1px);
}

.mfc-btn:disabled,
.mfc-btn.is-loading {
    cursor: not-allowed;
    opacity: .68;
}

.mfc-btn--primary,
.mfc-form .mfc-btn--primary,
.mfc-comments .mfc-btn--primary {
    color: #fff !important;
    background: linear-gradient(135deg, var(--mfc-primary) 0%, var(--mfc-primary-hover) 100%) !important;
    border-color: transparent !important;
    box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--mfc-primary) 85%, transparent);
}

.mfc-btn--primary:hover,
.mfc-form .mfc-btn--primary:hover,
.mfc-comments .mfc-btn--primary:hover {
    box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--mfc-primary) 95%, transparent);
}

.mfc-btn--ghost {
    color: var(--mfc-primary);
    background: var(--mfc-surface);
    border-color: color-mix(in srgb, var(--mfc-primary) 30%, var(--mfc-border));
}

.mfc-btn--ghost:hover {
    background: color-mix(in srgb, var(--mfc-primary) 6%, transparent);
}

.mfc-btn--wide {
    width: 100%;
}

.mfc-btn__spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, .45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: mfc-spin .6s linear infinite;
}

.mfc-btn.is-loading .mfc-btn__spinner {
    display: inline-block;
}

.mfc-btn.is-loading .mfc-btn__arrow {
    display: none;
}

.mfc-btn__arrow {
    transition: transform var(--mfc-transition);
}

.mfc-btn--submit:hover .mfc-btn__arrow {
    transform: translateX(3px);
}

@keyframes mfc-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   8. 表单底部 / 提示信息
   ========================================================================== */

.mfc-form__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 4px;
}

.mfc-form__message {
    flex: 1 1 auto;
    min-height: 20px;
    font-size: .86em;
    color: var(--mfc-muted);
}

.mfc-form__message.is-error {
    color: var(--mfc-danger);
}

.mfc-form__message.is-success {
    color: var(--mfc-success);
}

/* 回复提示条 */
.mfc-reply-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 14px;
    margin-bottom: 16px;
    font-size: .86em;
    color: var(--mfc-text);
    background: color-mix(in srgb, var(--mfc-primary) 8%, transparent);
    border-left: 3px solid var(--mfc-primary);
    border-radius: var(--mfc-radius-sm);
}

.mfc-reply-bar[hidden] {
    display: none;
}

.mfc-reply-bar__cancel {
    padding: 3px 10px;
    border: 1px solid color-mix(in srgb, var(--mfc-primary) 35%, transparent);
    background: transparent;
    color: var(--mfc-primary);
    border-radius: 999px;
    font-size: .92em;
    line-height: 1.5;
    transition: background var(--mfc-transition);
}

.mfc-reply-bar__cancel:hover {
    background: color-mix(in srgb, var(--mfc-primary) 12%, transparent);
}

/* ==========================================================================
   9. 评论列表
   ========================================================================== */

.mfc-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mfc-item {
    position: relative;
    display: flex;
    gap: 12px;
    padding: 18px 20px;
    background: var(--mfc-surface);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius);
    box-shadow: var(--mfc-shadow);
    animation: mfc-fade-in .35s cubic-bezier(.4, 0, .2, 1) both;
}

@keyframes mfc-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 回复：左侧加一条竖线表示层级，不再无限缩进 */
.mfc-item--reply {
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--mfc-page-bg);
    border-left: 3px solid color-mix(in srgb, var(--mfc-primary) 30%, var(--mfc-border));
    box-shadow: none;
}

/* 头像 */
.mfc-item__avatar {
    position: relative;
    flex: 0 0 auto;
    width: var(--mfc-avatar);
    height: var(--mfc-avatar);
    overflow: hidden;
    border-radius: 50%;
    background: var(--mfc-avatar-color, var(--mfc-primary));
}

.mfc-item--reply .mfc-item__avatar {
    width: calc(var(--mfc-avatar) * .8);
    height: calc(var(--mfc-avatar) * .8);
}

.mfc-avatar__initial {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.05em;
    font-weight: 700;
    letter-spacing: .02em;
    user-select: none;
}

.mfc-avatar__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Gravatar 在国内经常加载失败，JS 会在出错时隐藏本元素，露出首字母底图 */
}

.mfc-item__main {
    flex: 1 1 auto;
    min-width: 0;
}

.mfc-item__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.mfc-item__identity {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
}

.mfc-item__author {
    font-weight: 700;
    font-size: .96em;
    color: var(--mfc-text);
}

.mfc-item__time {
    font-size: .78em;
    color: var(--mfc-muted);
    white-space: nowrap;
}

.mfc-item__content {
    font-size: .95em;
    line-height: 1.75;
    color: var(--mfc-text);
    word-break: break-word;
    overflow-wrap: anywhere;
}

.mfc-item__content > :first-child {
    margin-top: 0;
}

.mfc-item__content > :last-child {
    margin-bottom: 0;
}

.mfc-item__content p {
    margin: 0 0 .7em;
}

.mfc-item__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--mfc-radius-sm);
}

/* 超长评论折叠：用行数裁切，避免内容重复输出 */
.mfc-item__content.is-folded {
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mfc-fold-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--mfc-primary);
    font-size: .85em;
    font-weight: 600;
}

.mfc-fold-btn:hover {
    color: var(--mfc-primary-hover);
}

.mfc-fold-btn__icon {
    transition: transform var(--mfc-transition);
}

.mfc-fold-btn.is-expanded .mfc-fold-btn__icon {
    transform: rotate(180deg);
}

/* 操作区 */
.mfc-item__actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 10px;
}

.mfc-action {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 2px;
    border: 0;
    background: none;
    color: var(--mfc-muted);
    font-size: .83em;
    transition: color var(--mfc-transition);
}

.mfc-action:hover {
    color: var(--mfc-primary);
}

/* 独立就地回复框：即使页面只输出评论列表，也可以直接回复 */
.mfc-inline-reply {
    margin: 12px 0 8px;
    padding: 14px;
    background: color-mix(in srgb, var(--mfc-primary) 3%, var(--mfc-surface));
    border: 1px solid color-mix(in srgb, var(--mfc-primary) 22%, var(--mfc-border));
    border-radius: var(--mfc-radius-sm);
}

.mfc-inline-reply__head,
.mfc-inline-reply__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.mfc-inline-reply__head {
    margin-bottom: 10px;
    font-size: .86em;
    color: var(--mfc-muted);
}

.mfc-inline-reply__head strong,
.mfc-inline-reply__identity strong {
    color: var(--mfc-text);
}

.mfc-inline-reply__cancel {
    padding: 2px 9px;
    color: var(--mfc-primary);
    font-size: .9em;
    background: transparent;
    border: 0;
}

.mfc-inline-reply__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.mfc-inline-reply__identity {
    margin-bottom: 8px;
    font-size: .8em;
    color: var(--mfc-muted);
}

.mfc-inline-reply__textarea {
    min-height: 92px;
    margin: 0;
    resize: vertical;
}

.mfc-inline-reply__foot {
    margin-top: 10px;
}

.mfc-inline-reply__message {
    color: var(--mfc-danger);
    font-size: .82em;
}

.mfc-inline-reply__submit {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 7px 16px;
}

/* 嵌套回复容器 */
.mfc-replies {
    margin-top: 4px;
    padding-left: 0;
}

/* ==========================================================================
   10. 附件展示
   ========================================================================== */

.mfc-attachments {
    margin-top: 12px;
}

.mfc-attachments--images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 8px;
}

.mfc-thumb {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--mfc-radius-sm);
    border: 1px solid var(--mfc-border);
    background: var(--mfc-page-bg);
    transition: transform var(--mfc-transition), box-shadow var(--mfc-transition);
}

.mfc-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s cubic-bezier(.4, 0, .2, 1);
}

.mfc-thumb:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -12px rgba(16, 24, 40, .38);
}

.mfc-thumb:hover img {
    transform: scale(1.06);
}

/* 视频 */
.mfc-attachments--videos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.mfc-video {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border: 1px solid var(--mfc-border);
    background: var(--mfc-page-bg);
    border-radius: var(--mfc-radius-sm);
    text-align: left;
    transition: border-color var(--mfc-transition), box-shadow var(--mfc-transition);
}

.mfc-video:hover {
    border-color: color-mix(in srgb, var(--mfc-primary) 40%, var(--mfc-border));
    box-shadow: 0 8px 18px -12px rgba(16, 24, 40, .35);
}

.mfc-video__poster {
    position: relative;
    display: block;
    width: 76px;
    height: 54px;
    overflow: hidden;
    border-radius: 6px;
    background: linear-gradient(135deg, #334155, #0f172a);
}

.mfc-video__poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mfc-video__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(15, 23, 42, .35);
    transition: background var(--mfc-transition);
}

.mfc-video:hover .mfc-video__play {
    background: rgba(15, 23, 42, .15);
}

.mfc-video__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.mfc-video__name {
    font-size: .84em;
    color: var(--mfc-text);
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mfc-video__size {
    font-size: .76em;
    color: var(--mfc-muted);
}

/* 普通文件 */
.mfc-attachments--files {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mfc-file {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 12px;
    border: 1px solid var(--mfc-border);
    background: var(--mfc-page-bg);
    border-radius: var(--mfc-radius-sm);
    text-decoration: none;
    transition: border-color var(--mfc-transition), background var(--mfc-transition);
}

.mfc-file:hover {
    border-color: color-mix(in srgb, var(--mfc-primary) 40%, var(--mfc-border));
    background: color-mix(in srgb, var(--mfc-primary) 5%, transparent);
}

.mfc-file__icon {
    display: inline-flex;
    color: var(--mfc-primary);
}

.mfc-file__meta {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.mfc-file__name {
    font-size: .84em;
    color: var(--mfc-text);
}

.mfc-file__size {
    font-size: .74em;
    color: var(--mfc-muted);
}

/* ==========================================================================
   11. 空状态 / 骨架屏 / 加载更多
   ========================================================================== */

.mfc-empty {
    padding: 46px 20px;
    text-align: center;
    background: var(--mfc-surface);
    border: 1px dashed var(--mfc-border);
    border-radius: var(--mfc-radius-lg);
}

.mfc-empty__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    margin-bottom: 12px;
    color: var(--mfc-primary);
    background: color-mix(in srgb, var(--mfc-primary) 9%, transparent);
    border-radius: 50%;
}

.mfc-empty__title {
    margin: 0 0 4px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--mfc-text);
}

.mfc-empty__desc {
    margin: 0;
    font-size: .88em;
    color: var(--mfc-muted);
}

.mfc-list__skeleton[hidden] {
    display: none;
}

.mfc-skeleton {
    display: flex;
    gap: 12px;
    padding: 18px 20px;
    margin-top: 12px;
    background: var(--mfc-surface);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius);
}

.mfc-skeleton__avatar {
    flex: 0 0 auto;
    width: var(--mfc-avatar);
    height: var(--mfc-avatar);
    border-radius: 50%;
    background: var(--mfc-page-bg);
    animation: mfc-pulse 1.4s ease-in-out infinite;
}

.mfc-skeleton__body {
    flex: 1 1 auto;
    padding-top: 4px;
}

.mfc-skeleton__line {
    height: 10px;
    margin-bottom: 10px;
    border-radius: 999px;
    background: var(--mfc-page-bg);
    animation: mfc-pulse 1.4s ease-in-out infinite;
}

.mfc-skeleton__line--short {
    width: 32%;
}

.mfc-skeleton__line--medium {
    width: 68%;
}

@keyframes mfc-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .48;
    }
}

.mfc-list__more {
    margin-top: 16px;
}

.mfc-list__more[hidden] {
    display: none;
}

/* ==========================================================================
   12. Lightbox 大图查看
   ========================================================================== */

.mfc-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: rgba(9, 12, 20, .9);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity .22s ease;
}

.mfc-lightbox.is-open {
    opacity: 1;
}

.mfc-lightbox__figure {
    position: relative;
    max-width: min(1100px, 100%);
    max-height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.mfc-lightbox__img {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 140px);
    object-fit: contain;
    border-radius: var(--mfc-radius-sm);
    box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .7);
    background: #111827;
}

.mfc-lightbox__caption {
    color: rgba(255, 255, 255, .82);
    font-size: .86em;
}

.mfc-lightbox__close,
.mfc-lightbox__nav {
    position: absolute;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    color: #fff;
    background: rgba(255, 255, 255, .13);
    border: 0;
    border-radius: 50%;
    transition: background var(--mfc-transition), transform var(--mfc-transition);
}

.mfc-lightbox__close:hover,
.mfc-lightbox__nav:hover {
    background: rgba(255, 255, 255, .26);
    transform: scale(1.06);
}

.mfc-lightbox__close {
    top: -6px;
    right: -6px;
}

.mfc-lightbox__nav--prev {
    top: 50%;
    left: -58px;
    transform: translateY(-50%);
}

.mfc-lightbox__nav--next {
    top: 50%;
    right: -58px;
    transform: translateY(-50%);
}

.mfc-lightbox__nav--prev:hover,
.mfc-lightbox__nav--next:hover {
    transform: translateY(-50%) scale(1.06);
}

/* ==========================================================================
   13. 轻提示 Toast
   ========================================================================== */

.mfc-toast-wrap {
    position: fixed;
    top: 24px;
    left: 50%;
    z-index: 1000000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transform: translateX(-50%);
    pointer-events: none;
}

.mfc-toast {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 200px;
    max-width: 420px;
    padding: 11px 18px;
    color: #fff;
    font-size: .9em;
    background: rgba(17, 24, 39, .94);
    border-radius: 999px;
    box-shadow: 0 16px 40px -14px rgba(0, 0, 0, .55);
    animation: mfc-toast-in .26s cubic-bezier(.4, 0, .2, 1) both;
}

.mfc-toast.is-success {
    background: linear-gradient(135deg, #059669, #10b981);
}

.mfc-toast.is-error {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.mfc-toast.is-leaving {
    animation: mfc-toast-out .22s ease forwards;
}

@keyframes mfc-toast-in {
    from {
        opacity: 0;
        transform: translateY(-14px) scale(.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes mfc-toast-out {
    to {
        opacity: 0;
        transform: translateY(-10px) scale(.97);
    }
}

/* ==========================================================================
   14. 响应式
   ========================================================================== */

.mfc-comment-notice {
    padding: 16px 18px;
    color: var(--mfc-muted);
    font-size: var(--mfc-font);
    background: var(--mfc-page-bg);
    border: 1px solid var(--mfc-border);
    border-radius: var(--mfc-radius);
}

.mfc-comment-notice a {
    color: var(--mfc-primary);
    font-weight: 600;
}

.mfc-cookie-consent {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 16px;
    color: var(--mfc-muted);
    font-size: 12px;
    line-height: 1.6;
    cursor: pointer;
}

.mfc-cookie-consent input {
    width: 16px;
    height: 16px;
    margin: 2px 0 0;
    accent-color: var(--mfc-primary);
}

@media (max-width: 720px) {

    .mfc-inline-reply__grid {
        grid-template-columns: 1fr;
    }

    .mfc-inline-reply__foot {
        align-items: stretch;
        flex-direction: column;
    }

    .mfc-inline-reply__submit {
        width: 100%;
    }

    .mfc-summary {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 20px;
    }

    .mfc-summary__score {
        padding-right: 0;
        padding-bottom: 16px;
        border-right: 0;
        border-bottom: 1px dashed var(--mfc-border);
    }

    .mfc-form,
    .mfc-item {
        padding: 16px;
    }

    .mfc-form__foot {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .mfc-form__foot .mfc-btn--submit {
        width: 100%;
    }

    .mfc-lightbox__nav--prev {
        left: 6px;
    }

    .mfc-lightbox__nav--next {
        right: 6px;
    }

    .mfc-lightbox__close {
        top: 6px;
        right: 6px;
    }
}

@media (max-width: 480px) {

    .mfc-comments__head {
        flex-direction: column;
        align-items: flex-start;
    }

    .mfc-item {
        gap: 10px;
    }

    .mfc-attachments--images {
        grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    }
}

/* 尊重系统的「减少动效」偏好 */
@media (prefers-reduced-motion: reduce) {

    .mfc-comments *,
    .mfc-comments *::before,
    .mfc-comments *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}

/* 兼容不支持 color-mix 的老浏览器：给关键位置留一份回退色 */
@supports not (color: color-mix(in srgb, red, blue)) {

    .mfc-summary {
        background: var(--mfc-surface);
    }

    .mfc-bar__fill {
        background: var(--mfc-star);
    }

    .mfc-stars__layer--bg {
        color: var(--mfc-border);
    }

    .mfc-rating-input {
        color: var(--mfc-border);
    }
}

/* 视频弹层里的播放器 */
.mfc-lightbox__video {
    display: block;
    max-width: min(960px, 100%);
    max-height: calc(100vh - 140px);
    border-radius: var(--mfc-radius-sm);
    background: #000;
}

/* Pro 自定义字段：Free 只提供通用展示样式，不包含字段业务逻辑 */
.mfc-custom-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: 12px 0;
}

.mfc-custom-fields__item {
    display: flex;
    gap: 6px;
    margin: 0;
}

.mfc-custom-fields__item dt {
    color: var(--mfc-muted, #6b7280);
    font-weight: 500;
}

.mfc-custom-fields__item dd {
    margin: 0;
    color: var(--mfc-text, #111827);
}