@font-face {
    font-family: "SourceHanSansCN";
    src: url("../fonts/SourceHanSansCN-Regular.otf") format("opentype");
    font-weight: 400;
}

@font-face {
    font-family: "SourceHanSansCN";
    src: url("../fonts/SourceHanSansCN-Medium.otf") format("opentype");
    font-weight: 500;
}

@font-face {
    font-family: "SourceHanSansCN";
    src: url("../fonts/SourceHanSansCN-Bold.otf") format("opentype");
    font-weight: 700;
}

@font-face {
    font-family: "PangMenZhengDao";
    src: url("../fonts/庞门正道标题体_猫啃网.TTF") format("truetype");
    font-weight: 400;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
}

body {
    background: #f2f3f5;
    color: #333;
    font-family: "SourceHanSansCN", "Microsoft YaHei", Arial, sans-serif;
    font-size: 15px;
}

button,
input,
textarea {
    font-family: "SourceHanSansCN", "Microsoft YaHei", Arial, sans-serif;
}

.page {
    min-width: 1200px;
    background: #f2f3f5;
}

.banner {
    position: relative;
    height: 371px;
    background: url("../images/letter/banner_bg.png") center top no-repeat;
    background-size: 1920px 371px;
}

.banner-title {
    position: absolute;
    top: 144px;
    left: 50%;
    width: 300px;
    margin-left: -600px;
}

.banner-title h2 {
    margin: 0;
    color: #000;
    font-family: "PangMenZhengDao", "SourceHanSansCN", "Microsoft YaHei", Arial, sans-serif;
    font-size: 63px;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0;
}

.banner-title p {
    margin: 2px 0 0;
    color: #a1a1a1;
    font-family: "SourceHanSansCN", "Microsoft YaHei", Arial, sans-serif;
    font-size: 23px;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.23px;
    white-space: nowrap;
}

.content-panel {
    width: 1200px;
    margin: 40px auto;
    padding: 30px 60px;
    background: #fff;
}

.section-title {
    position: relative;
    width: 1030px;
    height: 90px;
    margin: 0 auto;
    text-align: center;
}

.section-title h1 {
    margin: 0;
    color: #000;
    font-size: 30px;
    font-weight: 700;
    line-height: 54px;
    letter-spacing: 0;
}

.section-title p {
    margin: 0;
    color: #999;
    font-size: 20px;
    font-weight: 500;
    line-height: 36px;
}

.title-decor {
    position: absolute;
    top: 13px;
    width: 405px;
    height: 28px;
}

.title-decor-left {
    left: 0;
}

.title-decor-right {
    right: 0;
}

.opinion-form {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-align: start;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    width: 793px;
    margin: 50px auto 0;
}

.form-row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: start;
    align-items: flex-start;
    width: 793px;
    margin-bottom: 20px;
}

@supports (gap: 20px) {
    .form-row {
        margin-bottom: 0;
    }
}

.form-row-textarea {
    height: 178px;
}

.form-label {
    position: relative;
    -ms-flex: 0 0 73px;
    flex: 0 0 73px;
    width: 73px;
    padding-right: 9px;
    color: #333;
    font-size: 15px;
    font-weight: 400;
    line-height: 32px;
    text-align: right;
    vertical-align: top;
    white-space: nowrap;
}

.form-label .label-text {
    position: absolute;
    top: 0;
    right: 26px;
    display: block;
    width: 75px;
    color: #333;
    font-family: "SourceHanSansCN", "Microsoft YaHei", Arial, sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-align: right;
    white-space: nowrap;
}

.form-row-textarea .form-label {
    padding-top: 0;
    line-height: 30px;
}

.form-label .label-required {
    position: absolute;
    top: 8px;
    right: 10px;
    display: block;
    width: 7px;
    margin-top: 0;
    color: #ff0b0b;
    font-size: 14px;
    line-height: 14px;
    text-align: left;
    vertical-align: top;
}

.form-control {
    display: block;
    width: 711px;
    height: 32px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    outline: none;
    padding: 0 12px;
    background: #fff;
    color: #333;
    font-size: 15px;
    line-height: 30px;
}

.form-control::-webkit-input-placeholder {
    color: #c8c8c8;
}

.form-control:-ms-input-placeholder {
    color: #c8c8c8;
}

.form-control::placeholder {
    color: #c8c8c8;
}

.form-control:focus {
    border-color: #1f6de8;
}

.form-textarea {
    height: 178px;
    padding-top: 12px;
    line-height: 20px;
    resize: none;
}

.upload-group {
    display: block;
    width: 711px;
    min-height: 32px;
    white-space: nowrap;
}

.file-list {
    list-style: none;
    margin: 8px 0 0 0;
    padding: 0;
}

.file-list .file-item {
    line-height: 28px;
    font-size: 14px;
    color: #333;
}

.upload-btn {
    display: inline-block;
    width: 137px;
    height: 32px;
    margin: 0 20px 0 0;
    border: 1px solid #ff8f07;
    border-radius: 2px;
    background: #fff;
    color: #ff8f07;
    cursor: pointer;
    font-size: 15px;
    line-height: 30px;
    text-align: center;
    vertical-align: top;
}

.upload-btn img {
    width: 14px;
    height: 14px;
    margin: 8px 8px 0 0;
    vertical-align: top;
}

.upload-btn span {
    display: inline-block;
    line-height: 30px;
    vertical-align: top;
}

.upload-input {
    position: absolute;
    left: -9999px;
}

.file-name {
    display: inline-block;
    max-width: 520px;
    color: #333;
    font-size: 15px;
    line-height: 32px;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: top;
    white-space: nowrap;
}

.form-row-code {
    width: 793px;
    margin-bottom: 0;
}

.form-row-code .form-label {
    width: 73px;
}

.code-input {
    display: inline-block;
    width: 147px;
    vertical-align: top;
}

.captcha-img {
    display: inline-block;
    width: 94px;
    height: 32px;
    margin-left: 13px;
    object-fit: cover;
    vertical-align: top;
}

.form-message {
    height: 20px;
    margin: 0 0 0 82px;
    color: #ff0b0b;
    font-size: 14px;
    line-height: 20px;
}

.submit-wrap {
    width: 280px;
    margin: 50px auto 0;
}

.submit-btn {
    width: 280px;
    height: 46px;
    border: 0;
    border-radius: 4px;
    background: #1f6de8;
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    line-height: 46px;
    text-align: center;
}

.submit-btn:hover {
    background: #1764dc;
}

.site-footer {
    height: 208px;
    background: #03327a url("../images/letter/dibu_bg.png") center center no-repeat;
    background-size: 1920px 208px;
    color: #fff;
}

.footer-inner {
    width: 1212px;
    margin: 0 auto;
    padding-top: 40px;
}

.friend-links {
    height: 38px;
    font-size: 0;
}

.friend-select {
    display: inline-block;
    position: relative;
    width: 390px;
    height: 38px;
    margin-right: 20px;
    padding: 0 16px;
    background: #fff;
    color: #666;
    font-size: 16px;
    line-height: 38px;
    vertical-align: top;
}

.friend-select:last-child {
    margin-right: 0;
}

.friend-select img {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 10px;
    height: 6px;
}

.footer-text {
    margin-top: 32px;
    color: #fff;
    font-size: 14px;
    line-height: 21px;
    text-align: center;
}

.footer-text p {
    margin: 0 0 16px;
}

.footer-text p:last-child {
    margin-bottom: 0;
}

.footer-text span {
    display: inline-block;
    margin-right: 32px;
    white-space: nowrap;
}

.footer-text span:last-child {
    margin-right: 0;
}

@media screen and (max-width: 1200px) {
    .page {
        min-width: 1000px;
    }

    .content-panel,
    .footer-inner {
        width: 1000px;
    }

    .section-title {
        width: 900px;
    }

    .title-decor {
        width: 330px;
    }

    .friend-select {
        width: 320px;
    }
}