.form-control {
    width: 100%;
}

.webinar-content {
    width: 950px;
    margin: 30px auto;
}

.webinar-page .row {
    margin-bottom: 100px;
}

.webinar-page .row:last-child {
    margin-bottom: 0;
}

.webinar-page .container {
    width: 90%;
    max-width: 1366px;
}

.webinar-contact {
    padding: 36px 0 0;
    height: 120px;
    width: 100%;
    background-color: #f9f9f9;
}

.webinar-contact p {
    text-align: center;
    font-stretch: semi-condensed;
    font-weight: bolder;
    line-height: 25px;
}

/* upcoming-webinar */
.headline {
    width: 100%;
    font-size: 28px;
    font-weight: bolder;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0;
    color: #ffffff;
}

.top-headline {
    position: relative;
    top: 47%;
}

.content-p {
    width: 100%;

    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0;
    color: #ffffff;
}

.top-p {
    position: relative;
    top: 46%;
}

.tab-content {
    overflow: hidden;
}

.tab-content div {
    width: 50%;
    height: 60px;
    line-height: 60px;
    font-size: 18px;
    font-weight: bolder;
    font-stretch: normal;
    letter-spacing: 0;
    text-align: center;
    cursor: pointer;
    background-color: #101c23;
    background-image: unset;
    color: #68c1cd;

    position: relative;
    float: left;
}

.tab-content div.active {
    background-color: #27777f;
    background-blend-mode: normal, normal;
    color: #FFFFFF;
}

.background-page-u {
    position: relative;
}

.cover {
    position: -webkit-sticky;
    position: sticky;
    z-index: 1;
    top: 80px;
}

.cover img {
    width: 100%;
}

.headline-d {
    font-size: 18px;
    color: #0fb2c6;
    margin-bottom: 8px;
}

.headline-u {
    letter-spacing: 0;
    font-weight: bolder;
    font-size: 32px;
    color: #0fb2c6;
    line-height: 42px;

    margin-top: 0;
    margin-bottom: 10px
}

.headline-t {
    line-height: 26px;
    color: #0fb2c6;
    font-weight: unset;
    font-size: 18px;
    letter-spacing: 0;
    margin-bottom: 10px;

    display: flex;
}

.headline-t .t-name {
    font-weight: bolder;
    margin-right: 4px;
}

.headline-t .t-name, .headline-t .t-text {
    font-size: 18px;
}

.content-body > * {
    margin-bottom: 20px;
}

.content-body > *:last-child {
    margin-bottom: 0;
}

.content-body .register {
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    padding: 0 36px;
}

.line-u {
    margin: 30px 0;
    height: 1px;
    background-color: #e9e9e9;
}

.but-u {
    width: 130px;
    line-height: 24px;

    font-weight: bolder;
    font-size: 16px;
    color: #fefefe;
    display: block;
    text-align: center;

    padding: 5px 0;
}

.headline-r {
    font-size: 28px;
    font-weight: bolder;
    line-height: 30px;
    color: #10515a;
    text-align: center;
    position: relative;
    top: -16px;
    margin-bottom: 59px;
}

.strong-headline h3 {
    line-height: 34px;
    font-size: 28px;
    font-weight: bolder;
    color: #0fb2c6;

    margin: 25px 0 35px;
}

.strong-headline .text p {
    line-height: 24px;

    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    color: #1c6973;
}

.strong-headline .line, .content-headline .line {
    line-height: 30px;
    font-size: 18px;
    color: #1c6973;

    margin-bottom: 10px;
    display: flex;
}

.strong-headline .line strong:first-child, .content-headline .line strong:first-child {
    margin-right: 4px;
}

.content-headline {
    margin-top: 15px;
}

.content-headline h3 {
    font-family: Inter-Bold, sans-serif;
    font-size: 22px;
    font-weight: bolder;
    line-height: 30px;
    color: #155861;

    margin-top: 0;
    margin-bottom: 12px;
}

.content-headline .text p {
    line-height: 22px;
    font-size: 16px;
    color: #1c6973;
}

.strong-p {
    margin-top: 29px;
    margin-bottom: 3px;
}

.strong-headline {
    float: right;
    margin-right: 52px;
}

.head-place {
    height: 400px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.head-place .headline-h3 {
    font-size: 28px;
    font-weight: bolder;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0;
    color: #10515a;

    margin-top: 0;
}

.head-place p {
    color: #368d98;
    font-size: 22px;
}

.webinar-page .video {
    display: block;
}

.webinar-page .video-img {
    width: 100%;
}

@media (min-width: 1601px) {
    .webinar-page .container {
        width: 1349px;
    }
}

@media (max-width: 1600px) {
    /* upcoming-webinar */
    .headline {
        font-size: 26px;
    }

    .content-p {
        font-size: 18px;
    }

    .tab-content {
        font-size: 16px;
    }

    .headline-u {
        font-size: 26px;
        line-height: 36px;
    }

    .headline-d, .headline-t {
        font-size: 16px;
    }

    .but-u {
        font-size: 14px;
    }

    .headline-r {
        font-size: 26px;
    }

    .strong-headline h3 {
        font-size: 28px;
    }

    .strong-headline p {
        font-size: 18px;
    }

    .content-headline h3 {
        font-size: 20px;
    }

    .content-headline p {
        font-size: 16px;
    }

    .strong-p {
        margin-top: 20px;
    }

}

@media (max-width: 1440px) and (min-width: 1360px) {
    .webinar-page .container {
        width: 1120px;
    }

    .strong-p {
        margin-top: 10px;
    }

    .strong-headline {
        margin-right: -28px;
    }
}

@media (max-width: 1601px) and (min-width: 1441px) {
    .webinar-page .container {
        width: 77%;
    }

    .strong-headline {
        margin-right: 17px;
    }
}

@media (max-width: 991px) {
    .cover {
        margin-bottom: 20px;
        position: unset;
    }

    .content-headline {
        margin-bottom: 60px;
    }
}

.section-option .option {
    height: 30px;
    margin-bottom: 10px;

    display: flex;
    align-items: center;
}

.section-option .option:last-child {
    margin-bottom: 0;
}

.section-option .option .text {
    flex: 1;
}

.section-option .option .text span {
    font-size: 12px;
    color: red;
}

.section-option .option .button {
    width: 100px;
    height: 30px;
    line-height: 26px;

    font-size: 12px;
    color: #36A4A6;
    background-color: white;
    border: 2px solid #36A4A6;
}

.section-option .option .button:hover {
    color: white;
    background-color: #36A4A6;
}

.section-option .option i {
    font-size: 16px;
    color: var(--default-color);
    margin-right: 8px;
}

/* 移动端适配调整开始（414-360） */
@media (max-width: 414px) {
    .head-place .headline-h3 {
        font-size: 24px;
        text-align: center;
    }

    .headline-t {
        display: block;
    }

    .strong-headline {
        margin: 0;
    }

    .strong-headline .line {
        display: block;
    }

    .strong-headline .line strong {
        display: block;
        width: 100%;
    }

    #recorded .webinar-page .row {
        width: 100%;
        margin: 0 auto;
    }
}

/* 移动端适配调整结束（414-360） */