.board {
    margin-top: 14px;
    background: #fff;
    border: 1px solid #edf0f3;
    border-radius: 3px;
    padding: 24px;
    display: flex;
    align-items: center;
}

.board-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: #4e80c9;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 31px;
    margin-right: 20px;
}

.board h1 {
    font-size: 22px;
    font-weight: normal;
    color: #3f454b;
}

.board p {
    margin-top: 4px;
    color: #a0a6ac;
    font-size: 13px;
}

.board-actions {
    margin-left: auto;
    display: flex;
    gap: 12px;
}

.board-actions a {
    height: 38px;
    line-height: 36px;
    padding: 0 22px;
    border: 1px solid #aeb4ba;
    border-radius: 2px;
    color: #555;
}

.board-actions a.primary {
    background: #2788e8;
    border-color: #2788e8;
    color: #fff;
}

.banner {
    height: 126px;
    margin-top: 14px;
    padding: 20px 34px;
    background: linear-gradient(110deg, #1680e8, #48a0f5);
    border-radius: 2px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.banner:after {
    content: "商讯";
    position: absolute;
    right: 45px;
    top: -33px;
    font-size: 122px;
    font-weight: bold;
    color: rgba(255, 255, 255, .12);
    transform: rotate(-8deg);
}

.banner strong {
    font-size: 32px;
    letter-spacing: 3px;
}

.banner p {
    font-size: 17px;
    margin-top: 5px;
    opacity: .92;
}

.topic-panel {
    margin-top: 14px;
    background: #fff;
    border: 1px solid #edf0f3;
    border-radius: 3px;
}

.topic-filter {
    height: 46px;
    border-bottom: 1px solid #edf0f3;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #8c939a;
    font-size: 13px;
}

.topic-list {
    list-style: none;
}

.topic-row {
    min-height: 58px;
    padding: 11px 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 20px;
    align-items: center;
    border-bottom: 1px solid #f0f2f4;
}

.topic-row:hover {
    background: #fbfdff;
}

.topic-row:last-child {
    border-bottom: 0;
}

.directory-portals--wide {
    max-width: 100%;
}

.hidden-directory-portals {
    display: none;
}

.hidden-site-footer {
    display: none;
}

.topic-main {
    min-width: 0;
}

.topic-title {
    display: block;
    font-size: 16px;
    line-height: 1.5;
    color: #42484e;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topic-updated {
    text-align: right;
    color: #9ba2a9;
    font-size: 13px;
    white-space: nowrap;
}

.empty {
    text-align: center;
    padding: 65px 20px;
    color: #999;
}

.hidden-pagination {
    display: none;
}

@media (max-width: 900px) {
    .board-actions {
        display: none;
    }

    .banner {
        height: 105px;
    }

    .banner strong {
        font-size: 26px;
    }

    .topic-row {
        grid-template-columns: minmax(0, 1fr) 135px;
    }
}

@media (max-width: 560px) {
    .board {
        padding: 16px;
    }

    .board-icon {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }

    .board h1 {
        font-size: 19px;
    }

    .banner {
        padding: 18px 22px;
    }

    .banner strong {
        font-size: 23px;
    }

    .banner p {
        font-size: 14px;
    }

    .topic-filter {
        padding: 0 14px;
    }

    .topic-row {
        padding: 11px 14px;
        grid-template-columns: minmax(0, 1fr) 112px;
        gap: 10px;
    }

    .topic-title {
        font-size: 15px;
    }

    .topic-updated {
        font-size: 12px;
    }
}