body {
    background: url('../assets/images/background.jpg') top/cover no-repeat;
}

/* 红色流体背景 */
.hero {
    position: relative;
    min-height: 92vh;
    padding: 54% 10% 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    text-align: start;
}

.hero::before {
    content: "";
    position: absolute;
    top: 6.4%;
    width: 140px;
    height: 100px;
    background-image: url('../assets/images/icon_forbes.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    pointer-events: none;
}

/* 标题 */
.hero-title {
    font-size: 58px;
    font-weight: 600;
    letter-spacing: 2px;
    line-height: 1.1;
    text-align: start;
    max-width: min(85vw, 860px);
}

.hero-subtitle {
    margin-top: 14%;
    max-width: min(70vw, 760px);
    height: auto;
}

/* 联合主办 */
.jointly-organized {
    position: absolute;
    bottom: 0%;
    left: 0;
    right: 0;
    margin: 0 auto;
    max-width: 50%;
}

/* 邀请 */
.invitation {
    display: block;
    margin: 20% auto 5%;
    max-width: 100%;
    height: auto;
}

.invitation-text {
    text-align: center;
    font-size: 14px;
    margin-bottom: 5%;
}


.invitation-icon {
    display: block;
    margin: 0 auto 15%;
    max-width: 60px;
    height: auto;
}

/* 活动信息 */
.event-info {
    text-align: center;
    margin-bottom: 30%;
}

.event-info h3 {
    font-size: 24px;
    color: #f91936;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.event-info div {
    font-weight: bold;
}

/* 文案 */
.poem {
    text-align: center;
    line-height: 2;
    letter-spacing: 6px;
}

@media (min-aspect-ratio: 1/1) {

    /* 宽度 ≥ 高度 */
    .hero {
        position: relative;
        min-height: 92vh;
        padding: 24% 10% 0;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        text-align: start;
    }

    .hero-title {
        font-size: 80px;
    }

    .hero-subtitle {
        margin-top: 6%;
        max-width: 70vw;
        height: auto;
    }
}