.forum-main-page {
    width: 100%;
    margin: 0;
    padding: 0 0 34px 0;
}

.forum-main-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    margin: 18px 0 26px;
    padding: 24px 28px;
    border-radius: 20px;
    background:
        radial-gradient(circle at 0 0, rgba(236,117,80,.14), rgba(236,117,80,0) 32%),
        linear-gradient(135deg, rgba(236,117,80,.08), rgba(255,255,255,.96));
    border: 1px solid rgba(236,117,80,.16);
    box-shadow: 0 12px 34px rgba(0,0,0,.045);
}

.forum-main-hero__content {
    min-width: 0;
}

.forum-main-hero__title {
    margin: 0 0 10px 0;
    padding: 0;
    font-size: 31px;
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #1f1f1f;
}

.forum-main-hero__text {
    max-width: 820px;
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: #555;
}

.forum-main-stats {
    display: grid;
    grid-template-columns: repeat(3, auto);
    align-items: stretch;
    overflow: hidden;
    min-width: 520px;
    border-radius: 18px;
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(236,117,80,.55);
    box-shadow: 0 12px 28px rgba(236,117,80,.13);
}

.forum-main-stat {
    position: relative;
    display: grid;
    grid-template-columns: 48px auto;
    gap: 12px;
    align-items: center;
    padding: 18px 18px;
}

.forum-main-stat + .forum-main-stat {
    border-left: 1px solid #eeeeee;
}

.forum-main-stat__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
}

.forum-main-stat__icon svg {
    display: block;
    fill: currentColor;
}

.forum-main-stat--topics .forum-main-stat__icon {
    color: #ec7550;
    background: rgba(236,117,80,.12);
}

.forum-main-stat--forums .forum-main-stat__icon {
    color: #2f6ccf;
    background: rgba(47,108,207,.12);
}

.forum-main-stat--users .forum-main-stat__icon {
    color: #39922d;
    background: rgba(57,146,45,.12);
}

.forum-main-stat__body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.forum-main-stat__value {
    display: block;
    margin: 0;
    font-size: 22px;
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #161616;
    white-space: nowrap;
}

.forum-main-stat__label {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    line-height: 1.2;
    font-weight: 700;
    color: #666;
}

.forum-main-section {
    margin: 30px 0 0;
}

.forum-main-section__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin: 0 0 16px;
}

.forum-main-section__title {
    margin: 0;
    padding: 0;
    font-size: 25px;
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: -0.015em;
    color: #202020;
}

.forum-main-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
}

.forum-main-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 19px;
    background: #fff;
    border: 1px solid #eeeeee;
    box-shadow: 0 12px 30px rgba(0,0,0,.055);
    transition: box-shadow .22s ease, transform .22s ease, border-color .22s ease;
}

.forum-main-card:hover {
    transform: translateY(-3px);
    border-color: rgba(236,117,80,.36);
    box-shadow: 0 16px 38px rgba(0,0,0,.085);
}

.forum-main-card__top {
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
}

.forum-main-card__top:hover {
    color: inherit;
    text-decoration: none;
}

.forum-main-card__image {
    position: relative;
    display: block;
    width: 100%;
    height: 168px;
    overflow: hidden;
    background: #f5f5f5;
}

.forum-main-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .28s ease;
}

.forum-main-card:hover .forum-main-card__image img {
    transform: scale(1.04);
}

.forum-main-card__image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 48%, rgba(0,0,0,.25) 100%);
    pointer-events: none;
}

.forum-main-card__image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ec7550, #f3a185);
    color: #fff;
    font-size: 54px;
    font-weight: 900;
    text-transform: uppercase;
}

.forum-main-card__body {
    display: block;
    padding: 16px 18px 10px;
}

.forum-main-card__title {
    display: block;
    margin: 0 0 7px;
    font-size: 18px;
    line-height: 1.28;
    font-weight: 900;
    color: #222;
}

.forum-main-card__description {
    display: block;
    margin: 0;
    overflow: visible;
    color: #666;
    font-size: 13px;
    line-height: 1.5;
}

.forum-main-card__description:empty {
    display: none;
}

.forum-main-card__tree {
    margin: 10px 18px 18px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}

.forum-main-card__tree--mobile {
    display: none;
}

.forum-main-tree {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
}

.forum-main-tree__link,
.forum-main-tree__group-title {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    max-width: 100%;
    padding: 7px 11px;
    border-radius: 999px;
    background: #f8f8f8;
    color: #333;
    font-size: 12px;
    line-height: 1.2;
    font-weight: 700;
    text-decoration: none;
    transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.forum-main-tree__link:hover,
.forum-main-tree__group-title:hover {
    background: #ec7550;
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

.forum-main-tree__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-main-tree__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: rgba(236,117,80,.12);
    color: #ec7550;
    font-size: 11px;
    font-weight: 900;
}

.forum-main-tree__link:hover .forum-main-tree__count {
    background: rgba(255,255,255,.22);
    color: #fff;
}

.forum-main-tree__group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
    max-width: 100%;
}

.forum-main-tree__group-title {
    background: rgba(236,117,80,.10);
    color: #d95f39;
}

.forum-main-tree__group-title--manual {
    background: rgba(236,117,80,.10);
    color: #d95f39;
}

.forum-main-tree__sub {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    padding-left: 8px;
}

.forum-main-tree__link--level-1,
.forum-main-tree__group--level-1 .forum-main-tree__group-title {
    font-size: 11px;
    opacity: .96;
}

.forum-main-last {
    margin: 34px 0 0;
    padding: 18px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid #ececec;
    box-shadow: 0 10px 26px rgba(0,0,0,.04);
}

@media (max-width: 1240px) {
    .forum-main-hero {
        grid-template-columns: 1fr;
    }

    .forum-main-stats {
        min-width: 0;
        width: 100%;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .forum-main-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .forum-main-card__image {
        height: 165px;
    }
}

@media (max-width: 768px) {
    .forum-main-page {
        padding-bottom: 24px;
    }

    .forum-main-hero {
        gap: 16px;
        margin: 14px 0 20px;
        padding: 18px 15px;
        border-radius: 17px;
    }

    .forum-main-hero__title {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .forum-main-hero__text {
        font-size: 14px;
        line-height: 1.5;
    }

    .forum-main-stats {
        grid-template-columns: 1fr;
        border-radius: 16px;
    }

    .forum-main-stat {
        grid-template-columns: 42px auto;
        gap: 11px;
        padding: 13px 14px;
    }

    .forum-main-stat + .forum-main-stat {
        border-left: 0;
        border-top: 1px solid #eeeeee;
    }

    .forum-main-stat__icon {
        width: 42px;
        height: 42px;
        border-radius: 13px;
    }

    .forum-main-stat__value {
        font-size: 20px;
    }

    .forum-main-section {
        margin-top: 24px;
    }

    .forum-main-section__title {
        font-size: 21px;
    }

    .forum-main-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .forum-main-card {
        border-radius: 17px;
    }

    .forum-main-card:hover {
        transform: none;
    }

    .forum-main-card__image {
        height: 150px;
    }

    .forum-main-card__body {
        padding: 14px 15px 8px;
    }

    .forum-main-card__title {
        font-size: 17px;
    }

    .forum-main-card__description {
        font-size: 13px;
        line-height: 1.48;
    }

    .forum-main-card__tree--desktop {
        display: none;
    }

    .forum-main-card__tree--mobile {
        display: block;
        margin: 10px 15px 15px;
        padding-top: 10px;
    }

    .forum-main-card__tree--mobile summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 40px;
        padding: 10px 12px;
        border-radius: 12px;
        background: #f7f7f7;
        color: #222;
        font-size: 13px;
        line-height: 1.2;
        font-weight: 900;
        cursor: pointer;
        list-style: none;
    }

    .forum-main-card__tree--mobile summary::-webkit-details-marker {
        display: none;
    }

    .forum-main-card__tree--mobile summary::after {
        content: "+";
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(236,117,80,.12);
        color: #ec7550;
        font-size: 18px;
        line-height: 1;
        font-weight: 900;
    }

    .forum-main-card__tree--mobile[open] summary::after {
        content: "−";
    }

    .forum-main-card__tree--mobile .forum-main-tree {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 10px;
    }

    .forum-main-tree__link,
    .forum-main-tree__group-title {
        width: 100%;
        justify-content: space-between;
        min-height: 38px;
        padding: 10px 12px;
        border-radius: 12px;
        font-size: 13px;
    }

    .forum-main-tree__name {
        white-space: normal;
    }

    .forum-main-tree__group {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        width: 100%;
    }

    .forum-main-tree__sub {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        padding-left: 10px;
        border-left: 2px solid rgba(236,117,80,.16);
    }

    .forum-main-last {
        margin-top: 26px;
        padding: 14px;
        border-radius: 16px;
    }
}

@media (max-width: 420px) {
    .forum-main-hero__title {
        font-size: 22px;
    }

    .forum-main-card__image {
        height: 136px;
    }

    .forum-main-section__title {
        font-size: 20px;
    }
}