@charset "utf-8";

/* 复用原升级公告的背景与类名，仅调整登录页公告，适配长正文和较小视口。 */
#login-upgrade-announcement .bigtancen-wb {
    position: fixed;
    inset: 0;
    z-index: 9998;
    overflow: auto;
    background: rgba(0, 0, 0, .35);
}
#login-upgrade-announcement .bigtancen {
    display: block;
    width: auto;
    height: auto;
    margin: 4vh auto;
    max-width: 800px;
}
#login-upgrade-announcement .bigtancen-content {
    position: relative;
    box-sizing: border-box;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
    overflow: hidden;
    padding: 145px 48px 24px;
    border-radius: 8px;
    background: #fff;
    isolation: isolate;
}
#login-upgrade-announcement .bigtancen-content::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    box-sizing: border-box;
    pointer-events: none;
    /* 保留顶部标题比例，只延展下方底纹，覆盖正文、落款和按钮。 */
    border-style: solid;
    border-width: 145px 0 0;
    border-image: url(/portal/img/gbgg/tancenbj2.jpg) 150 0 0 fill / 145px 0 0 stretch;
}
#login-upgrade-announcement .bigtancen-text {
    width: auto;
    padding: 0;
    color: #333;
    line-height: 1.7;
}
#login-upgrade-announcement h2 {
    margin: 0 0 16px;
    color: #1ea596;
    text-align: center;
    font-size: 21px;
    font-weight: bold;
}
#login-upgrade-announcement h3 {
    margin: 12px 0 4px;
    font-size: 15px;
    font-weight: bold;
}
#login-upgrade-announcement .bigtancen-text > p {
    margin: 5px 0;
    text-indent: 0;
}
#login-upgrade-announcement .announcement-time { white-space: nowrap; }
#login-upgrade-announcement .bigtancen-right {
    width: auto;
    padding-top: 12px;
    color: #666;
}
#login-upgrade-announcement .bigtancen-btn { padding-top: 16px; }
#login-upgrade-announcement button {
    border: 0;
    cursor: pointer;
    font-family: inherit;
}
#login-upgrade-announcement .bjgtancen-close,
#login-upgrade-announcement .tancen-close {
    padding: 0 5px;
    background: transparent;
    font-size: 26px;
    line-height: 28px;
}
#login-upgrade-announcement .tancen {
    z-index: 9997;
    bottom: 0;
    box-sizing: border-box;
    width: 320px;
    height: auto;
    padding: 90px 18px 16px;
    background-color: #fff;
    background-position: center top;
    background-size: 100% auto;
}
#login-upgrade-announcement .tancen-txt {
    padding: 0;
    text-align: left;
    line-height: 22px;
}
#login-upgrade-announcement .tancen-txt p { margin: 4px 0; }
#login-upgrade-announcement .tancen-button {
    padding: 8px 0 0;
    background: transparent;
    color: #1ea596;
    text-decoration: underline;
}
@media (max-width: 820px) {
    #login-upgrade-announcement .bigtancen { margin: 4vh 12px; }
    #login-upgrade-announcement .bigtancen-content {
        padding: 18vw 20px 20px;
    }
    #login-upgrade-announcement .bigtancen-content::before {
        border-top-width: 18vw;
        border-image-width: 18vw 0 0;
    }
    #login-upgrade-announcement .tancen { max-width: 100vw; }
}