/* 练习频道 P0 */

.b2-practice-archive,
.b2-practice-single {
    max-width: 720px;
    margin: 0 auto;
    padding: 12px 12px 88px;
    box-sizing: border-box;
}

.b2-practice-archive__head {
    padding: 8px 4px 14px;
}

.b2-practice-archive__title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #6f0718;
    letter-spacing: 0.02em;
}

.b2-practice-archive__lead {
    margin: 6px 0 0;
    font-size: 13px;
    color: #7a655c;
}

.b2-practice-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.b2-practice-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 0 rgba(42, 24, 16, 0.06);
}

.b2-practice-card__link {
    display: flex;
    gap: 12px;
    padding: 12px;
    text-decoration: none;
    color: inherit;
    align-items: stretch;
}

.b2-practice-card__cover {
    width: 72px;
    height: 72px;
    border-radius: 10px;
    overflow: hidden;
    flex: 0 0 auto;
    background: linear-gradient(145deg, #6f0718 0%, #c45c3e 55%, #e8b48a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.b2-practice-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.b2-practice-card__note {
    color: #fff;
    font-size: 28px;
    line-height: 1;
}

.b2-practice-card__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.b2-practice-card__title {
    margin: 0;
    font-size: 16px;
    font-weight: 650;
    color: #2a1810;
    line-height: 1.35;
}

.b2-practice-card__meta {
    margin: 0;
    font-size: 12px;
    color: #8a7368;
}

.b2-practice-card__cta {
    margin-top: 4px;
    align-self: flex-start;
    font-size: 12px;
    font-weight: 600;
    color: #6f0718;
}

.b2-practice-empty {
    background: #fff;
    border-radius: 12px;
    padding: 28px 18px;
    text-align: center;
    color: #7a655c;
    font-size: 14px;
}

/* single */
.b2-practice-single__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 0 2px;
}

.b2-practice-single__back,
.b2-practice-single__score {
    font-size: 13px;
    color: #6f0718;
    text-decoration: none;
    font-weight: 600;
}

.b2-practice-hero {
    display: flex;
    gap: 12px;
    background: #fff;
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 12px;
}

.b2-practice-hero__cover {
    width: 88px;
    height: 88px;
    border-radius: 12px;
    overflow: hidden;
    flex: 0 0 auto;
    background: linear-gradient(145deg, #6f0718 0%, #c45c3e 55%, #e8b48a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
}

.b2-practice-hero__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.b2-practice-hero__title {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 700;
    color: #2a1810;
    line-height: 1.3;
}

.b2-practice-hero__meta {
    margin: 0;
    font-size: 12px;
    color: #8a7368;
}

.b2-practice-hero__desc {
    margin-top: 8px;
    font-size: 13px;
    color: #5a463c;
    line-height: 1.55;
}

.b2-practice-hero__desc p {
    margin: 0 0 6px;
}

.b2-practice-player {
    background: #fff;
    border-radius: 14px;
    padding: 14px;
}

.b2-practice-player__gate {
    text-align: center;
    padding: 28px 10px;
}

.b2-practice-player__start {
    border: 0;
    border-radius: 999px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: #6f0718;
    cursor: pointer;
}

.b2-practice-player__hint {
    margin: 10px 0 0;
    font-size: 12px;
    color: #8a7368;
}

.b2-practice-transport {
    display: flex;
    align-items: center;
    gap: 10px;
}

.b2-practice-btn--play {
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: #6f0718;
    color: #fff;
    font-size: 14px;
    flex: 0 0 auto;
    cursor: pointer;
}

.b2-practice-seek {
    flex: 1;
    min-width: 0;
}

.b2-practice-seek input[type="range"] {
    width: 100%;
    accent-color: #6f0718;
}

.b2-practice-time {
    display: flex;
    gap: 4px;
    font-size: 11px;
    color: #8a7368;
    margin-top: 2px;
}

.b2-practice-loop {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 12px 0 4px;
    font-size: 12px;
    color: #5a463c;
}

.b2-practice-loop__mark {
    border: 1px solid rgba(111, 7, 24, 0.25);
    background: #fff8f6;
    color: #6f0718;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
}

.b2-practice-loop__val {
    color: #8a7368;
}

.b2-practice-stems {
    list-style: none;
    margin: 12px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.b2-practice-stem {
    border: 1px solid rgba(42, 24, 16, 0.08);
    border-radius: 12px;
    padding: 10px 12px;
    background: #faf7f4;
}

.b2-practice-stem.is-muted {
    opacity: 0.55;
}

.b2-practice-stem__head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.b2-practice-stem__label {
    font-weight: 700;
    font-size: 15px;
    color: #6f0718;
    min-width: 1.5em;
}

.b2-practice-stem__role {
    font-size: 12px;
    color: #7a655c;
}

.b2-practice-stem__ctrls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.b2-practice-chip {
    border: 1px solid rgba(111, 7, 24, 0.2);
    background: #fff;
    color: #5a463c;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
}

.b2-practice-chip.is-on {
    background: #6f0718;
    border-color: #6f0718;
    color: #fff;
}

.b2-practice-vol {
    flex: 1;
    accent-color: #6f0718;
    min-width: 0;
}

/* 快捷频道灰底 */
body.post-type-archive-practice,
body.tax-practice_cat,
body.single-practice {
    background: #f5f6f7;
}

body.post-type-archive-practice #primary-home,
body.single-practice #primary-home,
body.post-type-archive-practice .site-content,
body.single-practice .site-content {
    background: transparent;
}

@media (min-width: 769px) {
    .b2-practice-archive,
    .b2-practice-single {
        padding: 20px 20px 40px;
    }

    .b2-practice-card__cover {
        width: 88px;
        height: 88px;
    }

    .b2-practice-card__title {
        font-size: 17px;
    }
}
