* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Passion One字体已在HTML中导入 */

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background-color: #B72116;
}

.wrapper {
    width: calc(100% - 60px);
    height: calc(100% - 60px);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0;
    line-height: 0;
}
.wrapper header {
    position: absolute;
    top: 2%;
    left: 50%;
    transform: translate(-50%, 0);
    width: 80%;    /* 从60%增加到80% */
    height: 15%;   /* 从10%增加到15% */
    margin: 0 auto;
    background: url(images/logo.png) center center no-repeat;
    background-size: contain;
}
.wrapper header h1 {
    display:none;
}
.wrapper section {
    width: 100%;
    height: 80%;
    background: url(images/lfc.png) center center no-repeat;
    background-size: cover;
}
.wrapper section img {
    display:none;
}
.wrapper footer {
    text-align: center;
    color:#FFFFFF;
    font-family: "Passion One";
}
.wrapper footer h2 {
    font-size: 10vw;
    line-height: 70%;
    font-weight: normal;
    margin-top: 20px;
}
.wrapper footer p {
    font-size: 2.2vw;
    line-height: 100%;
    font-weight: normal;
    padding-left: 5px;
}

/* 桌面端大屏幕 (1920px 及以上) */
@media screen and (min-width: 1920px) {
    .wrapper header {
        width: 70%;
        height: 12%;
    }
    .wrapper footer h2 {
        font-size: 11vw;
        margin-top: 25px;
    }
    .wrapper footer p {
        font-size: 2.4vw;
        padding-left: 6px;
    }
}

/* 平板和小屏笔记本 (768px - 1199px) */
@media screen and (max-width: 1199px) {
    .wrapper {
        width: calc(100% - 40px);
        height: calc(100% - 40px);
    }
    .wrapper header {
        width: 85%;
        height: 13%;
    }
    .wrapper footer h2 {
        font-size: 24vw;
        margin-top: 35px;
    }
    .wrapper footer p {
        font-size: 5.2vw;
        padding-left: 4px;
    }
}

/* 移动端 (768px 以下) */
@media screen and (max-width: 767px) {
    .wrapper {
        width: calc(100% - 20px);
        height: calc(100% - 20px);
    }
    .wrapper header {
        width: 90%;
        height: 10%;
    }
    .wrapper section {
        height: 75%;
    }
    .wrapper footer h2 {
        font-size: 24vw;
        margin-top: 35px;
    }
    .wrapper footer p {
        font-size: 5.2vw;
        padding-left: 3px;
    }
}

/* 横屏模式优化 */
@media screen and (max-width: 767px) and (orientation: landscape) {
    .wrapper header {
        height: 16%;
        top: 1%;
    }
    .wrapper section {
        height: 65%;
    }
    .wrapper footer h2 {
        font-size: 24vw;
        margin-top: 30px;
    }
    .wrapper footer p {
        font-size: 5.2vw;
    }
}