.practice-wrap {
    padding-top: 22px;
}

.practice-intro,
.resource-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.practice-intro {
    min-height: 190px;
    padding: 38px 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.practice-intro h1 {
    margin: 0;
    font-size: 36px;
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.practice-intro p:last-child {
    max-width: 720px;
    margin: 13px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.75;
}

.resource-count {
    min-width: 110px;
    padding: 16px 20px;
    border-left: 1px solid var(--line);
    flex: 0 0 auto;
    color: #7b8492;
    font-size: 12px;
}

.resource-count strong {
    margin-bottom: 3px;
    display: block;
    color: var(--text);
    font-size: 27px;
}

.resource-panel {
    margin-top: 14px;
    overflow: hidden;
}

.filter-bar {
    min-height: 76px;
    padding: 17px 24px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.filter-bar h2 {
    margin: 0;
    font-size: 21px;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-tabs button {
    min-height: 34px;
    padding: 0 14px;
    border: 0;
    border-radius: 6px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    font-size: 13px;
}

.filter-tabs button:hover,
.filter-tabs button.active {
    color: var(--blue);
    background: var(--blue-soft);
}

.filter-tabs button.active {
    box-shadow: inset 0 0 0 1px rgb(63 105 210 / 18%);
    font-weight: 650;
}

.resource-grid {
    padding: 22px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.resource-card {
    min-width: 0;
    min-height: 220px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 9px;
    display: flex;
    flex-direction: column;
    background: #fff;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.resource-card:hover {
    border-color: #b8c9ed;
    box-shadow: 0 8px 24px rgba(38, 77, 154, 0.08);
    transform: translateY(-2px);
}

.resource-card[hidden] {
    display: none;
}

.card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.tool-icon {
    width: 42px;
    height: 42px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #fff;
    background: #2864dc;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.tool-icon img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.tool-icon.dark {
    background: #222936;
}

.tool-icon.amber {
    background: #bd7029;
}

.tool-icon.green {
    background: #26865d;
}

.tool-icon.violet {
    background: #6d5caf;
}

.tool-icon.cyan {
    background: #218196;
}

.tool-icon.orange {
    background: #cd762a;
}

.tool-icon.red {
    background: #b64d51;
}

.type-tag {
    padding: 4px 7px;
    border-radius: 4px;
    color: #596574;
    background: #f0f2f5;
    font-size: 10px;
}

.type-tag.source {
    color: #2864dc;
    background: #edf3ff;
}

.type-tag.practice {
    color: #a16126;
    background: #fff1e4;
}

.resource-card h3 {
    margin: 22px 0 9px;
    font-size: 18px;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

.resource-card > p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.72;
}

.card-foot {
    margin-top: auto;
    padding-top: 19px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #758090;
    font-size: 11px;
}

.card-foot i {
    color: var(--blue);
    font-size: 15px;
    font-style: normal;
}

.resource-empty {
    padding: 70px 20px;
    grid-column: 1 / -1;
    text-align: center;
}

.resource-empty strong,
.resource-empty span {
    display: block;
}

.resource-empty span {
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
}

@media (max-width: 1100px) {
    .resource-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .practice-wrap {
        padding-top: 16px;
    }

    .practice-intro {
        min-height: 170px;
        padding: 30px;
    }

    .practice-intro h1 {
        font-size: 32px;
    }

    .resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .practice-intro {
        padding: 25px 20px;
        align-items: flex-start;
        flex-direction: column;
        gap: 24px;
    }

    .practice-intro h1 {
        font-size: 30px;
    }

    .practice-intro p:last-child {
        font-size: 14px;
    }

    .resource-count {
        width: 100%;
        padding: 13px 0 0;
        border-top: 1px solid var(--line);
        border-left: 0;
        display: flex;
        align-items: baseline;
        gap: 7px;
    }

    .resource-count strong {
        margin: 0;
        font-size: 22px;
    }

    .filter-bar {
        padding: 16px;
        align-items: flex-start;
        flex-direction: column;
        gap: 13px;
    }

    .filter-bar h2 {
        font-size: 19px;
    }

    .filter-tabs {
        width: 100%;
        padding-bottom: 3px;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .filter-tabs button {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .resource-grid {
        padding: 12px;
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .resource-card {
        min-height: 196px;
        padding: 18px;
    }

    .resource-card h3 {
        margin-top: 18px;
    }
}

@media (max-width: 350px) {
    .resource-card {
        min-height: 190px;
    }
}