* { box-sizing: border-box;-webkit-tap-highlight-color: transparent; }
body { font-family: var(--fontfamily); }
body, h1, h2, h3, h4, h5, h6 { margin: 0;font-size: 16px; }
input, textarea { box-sizing: border-box; }
a { text-decoration: none; }

/* Display utilities */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-table { display: table !important; }
.d-table-row { display: table-row !important; }
.d-table-cell { display: table-cell !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

/* Flex direction */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-column-reverse { flex-direction: column-reverse !important; }

/* Flex wrap */
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-wrap-reverse { flex-wrap: wrap-reverse !important; }

/* Flex fill / grow / shrink */
.flex-fill { flex: 1 1 auto !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }

/* Justify content */
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.justify-content-evenly { justify-content: space-evenly !important; }

/* Align items */
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }

/* Align self */
.align-self-auto { align-self: auto !important; }
.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }
.align-self-baseline { align-self: baseline !important; }
.align-self-stretch { align-self: stretch !important; }

/* === Font style & weight === */
.font-italic {
    font-style: italic !important;
}
.font-weight-bold {
    font-weight: 700 !important;
}
.font-weight-bolder {
    font-weight: bolder !important;
}
.font-weight-normal {
    font-weight: 400 !important;
}
.font-weight-light {
    font-weight: 300 !important;
}
.font-weight-lighter {
    font-weight: lighter !important;
}
.text-lowercase {
    text-transform: lowercase !important;
}
.text-uppercase {
    text-transform: uppercase !important;
}
.text-capitalize {
    text-transform: capitalize !important;
}

/* === Text alignment === */
.text-left {
    text-align: left !important;
}
.text-right {
    text-align: right !important;
}
.text-center {
    text-align: center !important;
}
.text-justify {
    text-align: justify !important;
}
.text-nowrap {
    white-space: nowrap !important;
}

/* === Text decoration === */
.text-decoration-none {
    text-decoration: none !important;
}

/* === Text color utilities (Bootstrap 5.3 default theme colors) === */
.text-primary {
    color: #0d6efd !important;
}
.text-secondary {
    color: #6c757d !important;
}
.text-success {
    color: #198754 !important;
}
.text-info {
    color: #0dcaf0 !important;
}
.text-warning {
    color: #ffc107 !important;
}
.text-danger {
    color: #dc3545 !important;
}
.text-light {
    color: #f8f9fa !important;
}
.text-dark {
    color: #212529 !important;
}
.text-white {
    color: #fff !important;
}
.text-body {
    color: #212529 !important;
}
.text-muted {
    color: #6c757d !important;
}
.text-black-50 {
    color: rgba(0, 0, 0, 0.5) !important;
}
.text-white-50 {
    color: rgba(255, 255, 255, 0.5) !important;
}

/* === Background color for text (optional, often used with .text-white) === */
.bg-primary {
    background-color: #0d6efd !important;
}
.bg-secondary {
    background-color: #6c757d !important;
}
.bg-success {
    background-color: #198754 !important;
}
.bg-info {
    background-color: #0dcaf0 !important;
}
.bg-warning {
    background-color: #ffc107 !important;
}
.bg-danger {
    background-color: #dc3545 !important;
}
.bg-light {
    background-color: #f8f9fa !important;
}
.bg-f2 {
    background-color: #f2f2f2 !important;
}
.bg-dark {
    background-color: #212529 !important;
}
.bg-white {
    background-color: #fff !important;
}

/* === Text overflow === */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.w-100 {
    width: 100%;
}

.position-absolute {
    position: absolute;
}

/* Responsive variants */
@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-inline { display: inline !important; }
    .d-sm-inline-block { display: inline-block !important; }
    .d-sm-block { display: block !important; }
    .d-sm-table { display: table !important; }
    .d-sm-table-row { display: table-row !important; }
    .d-sm-table-cell { display: table-cell !important; }
    .d-sm-flex { display: flex !important; }
    .d-sm-inline-flex { display: inline-flex !important; }
    .flex-sm-row { flex-direction: row !important; }
    .flex-sm-column { flex-direction: column !important; }
    .flex-sm-row-reverse { flex-direction: row-reverse !important; }
    .flex-sm-column-reverse { flex-direction: column-reverse !important; }
    .flex-sm-wrap { flex-wrap: wrap !important; }
    .flex-sm-nowrap { flex-wrap: nowrap !important; }
    .flex-sm-wrap-reverse { flex-wrap: wrap-reverse !important; }
    .justify-content-sm-start { justify-content: flex-start !important; }
    .justify-content-sm-end { justify-content: flex-end !important; }
    .justify-content-sm-center { justify-content: center !important; }
    .justify-content-sm-between { justify-content: space-between !important; }
    .justify-content-sm-around { justify-content: space-around !important; }
    .justify-content-sm-evenly { justify-content: space-evenly !important; }
    .align-items-sm-start { align-items: flex-start !important; }
    .align-items-sm-end { align-items: flex-end !important; }
    .align-items-sm-center { align-items: center !important; }
    .align-items-sm-baseline { align-items: baseline !important; }
    .align-items-sm-stretch { align-items: stretch !important; }
    .align-self-sm-auto { align-self: auto !important; }
    .align-self-sm-start { align-self: flex-start !important; }
    .align-self-sm-end { align-self: flex-end !important; }
    .align-self-sm-center { align-self: center !important; }
    .align-self-sm-baseline { align-self: baseline !important; }
    .align-self-sm-stretch { align-self: stretch !important; }
    .flex-sm-fill { flex: 1 1 auto !important; }
    .flex-sm-grow-0 { flex-grow: 0 !important; }
    .flex-sm-grow-1 { flex-grow: 1 !important; }
    .flex-sm-shrink-0 { flex-shrink: 0 !important; }
    .flex-sm-shrink-1 { flex-shrink: 1 !important; }
}

@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-inline { display: inline !important; }
    .d-md-inline-block { display: inline-block !important; }
    .d-md-block { display: block !important; }
    .d-md-table { display: table !important; }
    .d-md-table-row { display: table-row !important; }
    .d-md-table-cell { display: table-cell !important; }
    .d-md-flex { display: flex !important; }
    .d-md-inline-flex { display: inline-flex !important; }
    .flex-md-row { flex-direction: row !important; }
    .flex-md-column { flex-direction: column !important; }
    .flex-md-row-reverse { flex-direction: row-reverse !important; }
    .flex-md-column-reverse { flex-direction: column-reverse !important; }
    .flex-md-wrap { flex-wrap: wrap !important; }
    .flex-md-nowrap { flex-wrap: nowrap !important; }
    .flex-md-wrap-reverse { flex-wrap: wrap-reverse !important; }
    .justify-content-md-start { justify-content: flex-start !important; }
    .justify-content-md-end { justify-content: flex-end !important; }
    .justify-content-md-center { justify-content: center !important; }
    .justify-content-md-between { justify-content: space-between !important; }
    .justify-content-md-around { justify-content: space-around !important; }
    .justify-content-md-evenly { justify-content: space-evenly !important; }
    .align-items-md-start { align-items: flex-start !important; }
    .align-items-md-end { align-items: flex-end !important; }
    .align-items-md-center { align-items: center !important; }
    .align-items-md-baseline { align-items: baseline !important; }
    .align-items-md-stretch { align-items: stretch !important; }
    .align-self-md-auto { align-self: auto !important; }
    .align-self-md-start { align-self: flex-start !important; }
    .align-self-md-end { align-self: flex-end !important; }
    .align-self-md-center { align-self: center !important; }
    .align-self-md-baseline { align-self: baseline !important; }
    .align-self-md-stretch { align-self: stretch !important; }
    .flex-md-fill { flex: 1 1 auto !important; }
    .flex-md-grow-0 { flex-grow: 0 !important; }
    .flex-md-grow-1 { flex-grow: 1 !important; }
    .flex-md-shrink-0 { flex-shrink: 0 !important; }
    .flex-md-shrink-1 { flex-shrink: 1 !important; }
}
@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-inline { display: inline !important; }
    .d-lg-inline-block { display: inline-block !important; }
    .d-lg-block { display: block !important; }
    .d-lg-table { display: table !important; }
    .d-lg-table-row { display: table-row !important; }
    .d-lg-table-cell { display: table-cell !important; }
    .d-lg-flex { display: flex !important; }
    .d-lg-inline-flex { display: inline-flex !important; }
    .flex-lg-row { flex-direction: row !important; }
    .flex-lg-column { flex-direction: column !important; }
    .flex-lg-row-reverse { flex-direction: row-reverse !important; }
    .flex-lg-column-reverse { flex-direction: column-reverse !important; }
    .flex-lg-wrap { flex-wrap: wrap !important; }
    .flex-lg-nowrap { flex-wrap: nowrap !important; }
    .flex-lg-wrap-reverse { flex-wrap: wrap-reverse !important; }
    .justify-content-lg-start { justify-content: flex-start !important; }
    .justify-content-lg-end { justify-content: flex-end !important; }
    .justify-content-lg-center { justify-content: center !important; }
    .justify-content-lg-between { justify-content: space-between !important; }
    .justify-content-lg-around { justify-content: space-around !important; }
    .justify-content-lg-evenly { justify-content: space-evenly !important; }
    .align-items-lg-start { align-items: flex-start !important; }
    .align-items-lg-end { align-items: flex-end !important; }
    .align-items-lg-center { align-items: center !important; }
    .align-items-lg-baseline { align-items: baseline !important; }
    .align-items-lg-stretch { align-items: stretch !important; }
    .align-self-lg-auto { align-self: auto !important; }
    .align-self-lg-start { align-self: flex-start !important; }
    .align-self-lg-end { align-self: flex-end !important; }
    .align-self-lg-center { align-self: center !important; }
    .align-self-lg-baseline { align-self: baseline !important; }
    .align-self-lg-stretch { align-self: stretch !important; }
    .flex-lg-fill { flex: 1 1 auto !important; }
    .flex-lg-grow-0 { flex-grow: 0 !important; }
    .flex-lg-grow-1 { flex-grow: 1 !important; }
    .flex-lg-shrink-0 { flex-shrink: 0 !important; }
    .flex-lg-shrink-1 { flex-shrink: 1 !important; }
}
@media (min-width: 1200px) {
    .d-xl-none { display: none !important; }
    .d-xl-inline { display: inline !important; }
    .d-xl-inline-block { display: inline-block !important; }
    .d-xl-block { display: block !important; }
    .d-xl-table { display: table !important; }
    .d-xl-table-row { display: table-row !important; }
    .d-xl-table-cell { display: table-cell !important; }
    .d-xl-flex { display: flex !important; }
    .d-xl-inline-flex { display: inline-flex !important; }
    .flex-xl-row { flex-direction: row !important; }
    .flex-xl-column { flex-direction: column !important; }
    .flex-xl-row-reverse { flex-direction: row-reverse !important; }
    .flex-xl-column-reverse { flex-direction: column-reverse !important; }
    .flex-xl-wrap { flex-wrap: wrap !important; }
    .flex-xl-nowrap { flex-wrap: nowrap !important; }
    .flex-xl-wrap-reverse { flex-wrap: wrap-reverse !important; }
    .justify-content-xl-start { justify-content: flex-start !important; }
    .justify-content-xl-end { justify-content: flex-end !important; }
    .justify-content-xl-center { justify-content: center !important; }
    .justify-content-xl-between { justify-content: space-between !important; }
    .justify-content-xl-around { justify-content: space-around !important; }
    .justify-content-xl-evenly { justify-content: space-evenly !important; }
    .align-items-xl-start { align-items: flex-start !important; }
    .align-items-xl-end { align-items: flex-end !important; }
    .align-items-xl-center { align-items: center !important; }
    .align-items-xl-baseline { align-items: baseline !important; }
    .align-items-xl-stretch { align-items: stretch !important; }
    .align-self-xl-auto { align-self: auto !important; }
    .align-self-xl-start { align-self: flex-start !important; }
    .align-self-xl-end { align-self: flex-end !important; }
    .align-self-xl-center { align-self: center !important; }
    .align-self-xl-baseline { align-self: baseline !important; }
    .align-self-xl-stretch { align-self: stretch !important; }
    .flex-xl-fill { flex: 1 1 auto !important; }
    .flex-xl-grow-0 { flex-grow: 0 !important; }
    .flex-xl-grow-1 { flex-grow: 1 !important; }
    .flex-xl-shrink-0 { flex-shrink: 0 !important; }
    .flex-xl-shrink-1 { flex-shrink: 1 !important; }
}
@media (min-width: 1400px) {
    .d-xxl-none { display: none !important; }
    .d-xxl-inline { display: inline !important; }
    .d-xxl-inline-block { display: inline-block !important; }
    .d-xxl-block { display: block !important; }
    .d-xxl-table { display: table !important; }
    .d-xxl-table-row { display: table-row !important; }
    .d-xxl-table-cell { display: table-cell !important; }
    .d-xxl-flex { display: flex !important; }
    .d-xxl-inline-flex { display: inline-flex !important; }
    .flex-xxl-row { flex-direction: row !important; }
    .flex-xxl-column { flex-direction: column !important; }
    .flex-xxl-row-reverse { flex-direction: row-reverse !important; }
    .flex-xxl-column-reverse { flex-direction: column-reverse !important; }
    .flex-xxl-wrap { flex-wrap: wrap !important; }
    .flex-xxl-nowrap { flex-wrap: nowrap !important; }
    .flex-xxl-wrap-reverse { flex-wrap: wrap-reverse !important; }
    .justify-content-xxl-start { justify-content: flex-start !important; }
    .justify-content-xxl-end { justify-content: flex-end !important; }
    .justify-content-xxl-center { justify-content: center !important; }
    .justify-content-xxl-between { justify-content: space-between !important; }
    .justify-content-xxl-around { justify-content: space-around !important; }
    .justify-content-xxl-evenly { justify-content: space-evenly !important; }
    .align-items-xxl-start { align-items: flex-start !important; }
    .align-items-xxl-end { align-items: flex-end !important; }
    .align-items-xxl-center { align-items: center !important; }
    .align-items-xxl-baseline { align-items: baseline !important; }
    .align-items-xxl-stretch { align-items: stretch !important; }
    .align-self-xxl-auto { align-self: auto !important; }
    .align-self-xxl-start { align-self: flex-start !important; }
    .align-self-xxl-end { align-self: flex-end !important; }
    .align-self-xxl-center { align-self: center !important; }
    .align-self-xxl-baseline { align-self: baseline !important; }
    .align-self-xxl-stretch { align-self: stretch !important; }
    .flex-xxl-fill { flex: 1 1 auto !important; }
    .flex-xxl-grow-0 { flex-grow: 0 !important; }
    .flex-xxl-grow-1 { flex-grow: 1 !important; }
    .flex-xxl-shrink-0 { flex-shrink: 0 !important; }
    .flex-xxl-shrink-1 { flex-shrink: 1 !important; }
}

.jumbotron {
    padding: 2rem 1rem;
    background-color: #e9ecef;
    border-radius: 0.3rem;
}

@media (min-width: 576px) {
    .jumbotron {
        padding: 4rem 2rem;
    }
}

.jumbotron-fluid {
    padding-right: 0;
    padding-left: 0;
    border-radius: 0;
}

/*基础CSS*/
html {
    font-size: 14px;
    overflow-x: hidden;
}

li {
    list-style: none;
}

a {
    color: #212529
}

a:hover {
    text-decoration: none;
}

p,
dl,
dt,
dd,
ul {
    margin: 0px;
    padding: 0px;
}

.red {
    color: red;
}

.text-secondary a {
    color: #6c757d;
}

.card,
.figure {
    margin: 15px 0;
}

.navbar-expand-lg .navbar-nav .nav-link {
    padding-right: 1.2rem;
    padding-left: 1.2rem;
    font-size: 14px;
}

.navbar-brand {
    font-size: 20px;
    padding-top: 0px;
    padding-bottom: 0px;
}

.shadow-sm-top {
    box-shadow: 0 -.125rem .25rem rgba(0, 0, 0, .075) !important;
}

/*上下外边距*/
.mt-3,
.my-3 {
    margin-top: 1rem !important;
}

.mt-4,
.my-4 {
    margin-top: 2rem !important;
}

.mt-5,
.my-5 {
    margin-top: 3rem !important;
}

.mt-6,
.my-6 {
    margin-top: 4rem !important;
}

.mt-7,
.my-7 {
    margin-top: 5rem !important;
}

.mt-8,
.my-8 {
    margin-top: 6rem !important;
}

.mt-9,
.my-9 {
    margin-top: 7rem !important;
}

.mt-10,
.my-10 {
    margin-top: 8rem !important;
}

.mb-3,
.my-3 {
    margin-bottom: 1rem !important;
}

.mb-4,
.my-4 {
    margin-bottom: 2rem !important;
}

.mb-5,
.my-5 {
    margin-bottom: 3rem !important;
}

.mb-6,
.my-6 {
    margin-bottom: 4rem !important;
}

.mb-7,
.my-7 {
    margin-bottom: 5rem !important;
}

.mb-8,
.my-8 {
    margin-bottom: 6rem !important;
}

.mb-9,
.my-9 {
    margin-bottom: 7rem !important;
}

.mb-10,
.my-10 {
    margin-bottom: 8rem !important;
}

/*上下内边距*/
.pt-3,
.mp-3 {
    padding-top: 1rem !important;
}

.pt-4,
.mp-4 {
    padding-top: 2rem !important;
}

.pt-5,
.mp-5 {
    padding-top: 3rem !important;
}

.pt-6,
.mp-6 {
    padding-top: 4rem !important;
}

.pt-7,
.py-7 {
    padding-top: 5rem !important;
}

.pt-8,
.py-8 {
    padding-top: 6rem !important;
}

.pt-9,
.py-9 {
    padding-top: 7rem !important;
}

.pt-10,
.py-10 {
    padding-top: 8rem !important;
}

.pb-2,
.py-2 {
    padding-bottom: 0.5rem !important;
}

.pb-3,
.py-3 {
    padding-bottom: 1rem !important;
}

.pb-4,
.py-4 {
    padding-bottom: 2rem !important;
}

.pb-5,
.py-5 {
    padding-bottom: 3rem !important;
}

.pb-6,
.py-6 {
    padding-bottom: 4rem !important;
}

.pb-7,
.py-7 {
    padding-bottom: 5rem !important;
}

.pb-8,
.py-8 {
    padding-bottom: 6rem !important;
}

.pb-9,
.py-9 {
    padding-bottom: 7rem !important;
}

.pb-10,
.py-10 {
    padding-bottom: 8rem !important;
}

/*边框*/
.border-top-dashed {
    border-top: 1px dashed #dee2e6 !important;
}

.border-right-dashed {
    border-right: 1px dashed #dee2e6 !important;
}

.border-bottom-dashed {
    border-bottom: 1px dashed #dee2e6 !important;
}

.border-right-dashed {
    border-top: 1px dashed #dee2e6 !important;
}

/*字距*/
.ls-1 {
    letter-spacing: 1px;
}

.ls-2 {
    letter-spacing: 2px;
}

.ls-3 {
    letter-spacing: 3px;
}

.ls-4 {
    letter-spacing: 4px;
}

.ls-5 {
    letter-spacing: 5px;
}

.code,
.code img {
    height: 100px;
}

.position,
.position a {
    color: #999;
}

.content {
    color: #333;
    line-height: 2;
}

.content img,
.content iframe {
    max-width: 100% !important;
}

.content li {
    list-style: disc outside none;
    margin-left: 20px;
}

/* 返回顶部 */
.w-service-fixed {
    position: fixed;
    bottom: 60px;
    right: 20px;
    z-index: 2000;
    font-size: 14px;
}
.w-service-fixed .service-item {
    width: 46px;
    height: 46px;
    line-height: 46px;
    margin-bottom: 2px;
    position: relative;
    text-align: center;
    background-color: var(--color2);
}
.w-service-fixed .service-item-top .fa-caret-up {
    position: absolute;
    top: -9px;
    left: 18px;
    font-size: 16px;
    color: var(--color2);
}
.w-service-fixed .service-item-top {
    cursor: pointer;
}
.w-service-fixed .service-item-top .top {
    color: #fff;
    font-size: 15px;
}
.w-service-fixed .service-item-top:hover .fa-caret-up {
    color: var(--color2);
}
.w-service-fixed .service-item-top:hover .top {
    background-color: var(--color2);
}

/*sm屏幕以上*/
@media only screen and (min-width: 576px) {
    .card-img-200 {
        height: 200px;
        overflow: hidden;
    }

    .card-img-180 {
        height: 180px;
        overflow: hidden;
    }

    .card-img-150 {
        height: 150px;
        overflow: hidden;
    }

    .card-img-120 {
        height: 120px;
        overflow: hidden;
    }

    .card-img-100 {
        height: 100px;
        overflow: hidden;
    }
}

/*********响应式样式*********/

/*行距*/
.lh-1 {
    line-height: 1;
}

.lh-2 {
    line-height: 2;
}

.lh-3 {
    line-height: 3;
}

.lh-4 {
    line-height: 4;
}

/*字体大小*/
.fs-12 {
    font-size: .857rem;
}

.fs-14 {
    font-size: 1rem;
}

.fs-16 {
    font-size: 1.142rem;
}

.fs-18 {
    font-size: 1.285rem;
}

.fs-20 {
    font-size: 1.428rem;
}

.fs-22 {
    font-size: 1.571rem;
}

.fs-24 {
    font-size: 1.714rem;
}

.fs-26 {
    font-size: 1.857rem;
}

.fs-28 {
    font-size: 2rem;
}

.fs-30 {
    font-size: 2.142rem;
}

.fs-32 {
    font-size: 2.286rem;
}

.fs-34 {
    font-size: 2.429rem;
}

.fs-36 {
    font-size: 2.571rem;
}

.fs-38 {
    font-size: 2.714rem;
}

.fs-40 {
    font-size: 2.857rem;
}

/*高度*/
.h-5px {
    height: 5px;
}

.h-10px {
    height: 10px;
}

.h-15px {
    height: 15px;
}

.h-20px {
    height: 20px;
}

.h-25px {
    height: 25px;
}

.h-30px {
    height: 30px;
}

.h-35px {
    height: 35px;
}

.h-40px {
    height: 40px;
}

.h-45px {
    height: 45px;
}

.h-50px {
    height: 50px;
}

.h-55px {
    height: 55px;
}

.h-60px {
    height: 60px;
}

.h-65px {
    height: 65px;
}

.h-70px {
    height: 70px;
}

.h-75px {
    height: 75px;
}

.h-80px {
    height: 80px;
}

.h-85px {
    height: 85px;
}

.h-90px {
    height: 90px;
}

.h-95px {
    height: 95px;
}

.h-100px {
    height: 100px;
}

.h-110px {
    height: 110px;
}

.h-120px {
    height: 120px;
}

.h-130px {
    height: 130px;
}

.h-140px {
    height: 140px;
}

.h-150px {
    height: 150px;
}

.h-160px {
    height: 160px;
}

.h-170px {
    height: 170px;
}

.h-180px {
    height: 180px;
}

.h-190px {
    height: 190px;
}

.h-200px {
    height: 200px;
}

.h-210px {
    height: 210px;
}

.h-220px {
    height: 220px;
}

.h-230px {
    height: 230px;
}

.h-240px {
    height: 240px;
}

.h-250px {
    height: 250px;
}

.h-260px {
    height: 260px;
}

.h-270px {
    height: 270px;
}

.h-280px {
    height: 280px;
}

.h-290px {
    height: 290px;
}

.h-300px {
    height: 300px;
}

.h-310px {
    height: 310px;
}

.h-320px {
    height: 320px;
}

.h-330px {
    height: 330px;
}

.h-340px {
    height: 340px;
}

.h-350px {
    height: 350px;
}

.h-360px {
    height: 360px;
}

.h-370px {
    height: 370px;
}

.h-380px {
    height: 380px;
}

.h-390px {
    height: 390px;
}

.h-400px {
    height: 400px;
}

.h-410px {
    height: 410px;
}

.h-420px {
    height: 420px;
}

.h-430px {
    height: 430px;
}

.h-440px {
    height: 440px;
}

.h-450px {
    height: 450px;
}

.h-460px {
    height: 410px;
}

.h-470px {
    height: 470px;
}

.h-480px {
    height: 480px;
}

.h-490px {
    height: 490px;
}

.h-500px {
    height: 500px;
}

/*sm屏幕以上*/
@media only screen and (min-width: 576px) {

    /*行距*/
    .lh-sm-1 {
        line-height: 1;
    }

    .lh-sm-2 {
        line-height: 2;
    }

    .lh-sm-3 {
        line-height: 3;
    }

    .lh-sm-4 {
        line-height: 4;
    }

    /*字体大小*/
    .fs-sm-12 {
        font-size: .857rem;
    }

    .fs-sm-14 {
        font-size: 1rem;
    }

    .fs-sm-16 {
        font-size: 1.142rem;
    }

    .fs-sm-18 {
        font-size: 1.285rem;
    }

    .fs-sm-20 {
        font-size: 1.428rem;
    }

    .fs-sm-22 {
        font-size: 1.571rem;
    }

    .fs-sm-24 {
        font-size: 1.714rem;
    }

    .fs-sm-26 {
        font-size: 1.857rem;
    }

    .fs-sm-28 {
        font-size: 2rem;
    }

    .fs-sm-30 {
        font-size: 2.142rem;
    }

    .fs-sm-32 {
        font-size: 2.286rem;
    }

    .fs-sm-34 {
        font-size: 2.429rem;
    }

    .fs-sm-36 {
        font-size: 2.571rem;
    }

    .fs-sm-38 {
        font-size: 2.714rem;
    }

    .fs-sm-40 {
        font-size: 2.857rem;
    }

    /*高度*/
    .h-sm-5px {
        height: 5px;
    }

    .h-sm-10px {
        height: 10px;
    }

    .h-sm-15px {
        height: 15px;
    }

    .h-sm-20px {
        height: 20px;
    }

    .h-sm-25px {
        height: 25px;
    }

    .h-sm-30px {
        height: 30px;
    }

    .h-sm-35px {
        height: 35px;
    }

    .h-sm-40px {
        height: 40px;
    }

    .h-sm-45px {
        height: 45px;
    }

    .h-sm-50px {
        height: 50px;
    }

    .h-sm-55px {
        height: 55px;
    }

    .h-sm-60px {
        height: 60px;
    }

    .h-sm-65px {
        height: 65px;
    }

    .h-sm-70px {
        height: 70px;
    }

    .h-sm-75px {
        height: 75px;
    }

    .h-sm-80px {
        height: 80px;
    }

    .h-sm-85px {
        height: 85px;
    }

    .h-sm-90px {
        height: 90px;
    }

    .h-sm-95px {
        height: 95px;
    }

    .h-sm-100px {
        height: 100px;
    }

    .h-sm-110px {
        height: 110px;
    }

    .h-sm-120px {
        height: 120px;
    }

    .h-sm-130px {
        height: 130px;
    }

    .h-sm-140px {
        height: 140px;
    }

    .h-sm-150px {
        height: 150px;
    }

    .h-sm-160px {
        height: 160px;
    }

    .h-sm-170px {
        height: 170px;
    }

    .h-sm-180px {
        height: 180px;
    }

    .h-sm-190px {
        height: 190px;
    }

    .h-sm-200px {
        height: 200px;
    }

    .h-sm-210px {
        height: 210px;
    }

    .h-sm-220px {
        height: 220px;
    }

    .h-sm-230px {
        height: 230px;
    }

    .h-sm-240px {
        height: 240px;
    }

    .h-sm-250px {
        height: 250px;
    }

    .h-sm-260px {
        height: 260px;
    }

    .h-sm-270px {
        height: 270px;
    }

    .h-sm-280px {
        height: 280px;
    }

    .h-sm-290px {
        height: 290px;
    }

    .h-sm-300px {
        height: 300px;
    }

    .h-sm-310px {
        height: 310px;
    }

    .h-sm-320px {
        height: 320px;
    }

    .h-sm-330px {
        height: 330px;
    }

    .h-sm-340px {
        height: 340px;
    }

    .h-sm-350px {
        height: 350px;
    }

    .h-sm-360px {
        height: 360px;
    }

    .h-sm-370px {
        height: 370px;
    }

    .h-sm-380px {
        height: 380px;
    }

    .h-sm-390px {
        height: 390px;
    }

    .h-sm-400px {
        height: 400px;
    }

    .h-sm-410px {
        height: 410px;
    }

    .h-sm-420px {
        height: 420px;
    }

    .h-sm-430px {
        height: 430px;
    }

    .h-sm-440px {
        height: 440px;
    }

    .h-sm-450px {
        height: 450px;
    }

    .h-sm-460px {
        height: 410px;
    }

    .h-sm-470px {
        height: 470px;
    }

    .h-sm-480px {
        height: 480px;
    }

    .h-sm-490px {
        height: 490px;
    }

    .h-sm-500px {
        height: 500px;
    }
}

/*md屏幕以上*/
@media only screen and (min-width: 768px) {

    /*行距*/
    .lh-md-1 {
        line-height: 1;
    }

    .lh-md-2 {
        line-height: 2;
    }

    .lh-md-3 {
        line-height: 3;
    }

    .lh-md-4 {
        line-height: 4;
    }

    /*字体大小*/
    .fs-md-12 {
        font-size: .857rem;
    }

    .fs-md-14 {
        font-size: 1rem;
    }

    .fs-md-16 {
        font-size: 1.142rem;
    }

    .fs-md-18 {
        font-size: 1.285rem;
    }

    .fs-md-20 {
        font-size: 1.428rem;
    }

    .fs-md-22 {
        font-size: 1.571rem;
    }

    .fs-md-24 {
        font-size: 1.714rem;
    }

    .fs-md-26 {
        font-size: 1.857rem;
    }

    .fs-md-28 {
        font-size: 2rem;
    }

    .fs-md-30 {
        font-size: 2.142rem;
    }

    .fs-md-32 {
        font-size: 2.286rem;
    }

    .fs-md-34 {
        font-size: 2.429rem;
    }

    .fs-md-36 {
        font-size: 2.571rem;
    }

    .fs-md-38 {
        font-size: 2.714rem;
    }

    .fs-md-40 {
        font-size: 2.857rem;
    }

    /*高度*/
    .h-md-5px {
        height: 5px;
    }

    .h-md-10px {
        height: 10px;
    }

    .h-md-15px {
        height: 15px;
    }

    .h-md-20px {
        height: 20px;
    }

    .h-md-25px {
        height: 25px;
    }

    .h-md-30px {
        height: 30px;
    }

    .h-md-35px {
        height: 35px;
    }

    .h-md-40px {
        height: 40px;
    }

    .h-md-45px {
        height: 45px;
    }

    .h-md-50px {
        height: 50px;
    }

    .h-md-55px {
        height: 55px;
    }

    .h-md-60px {
        height: 60px;
    }

    .h-md-65px {
        height: 65px;
    }

    .h-md-70px {
        height: 70px;
    }

    .h-md-75px {
        height: 75px;
    }

    .h-md-80px {
        height: 80px;
    }

    .h-md-85px {
        height: 85px;
    }

    .h-md-90px {
        height: 90px;
    }

    .h-md-95px {
        height: 95px;
    }

    .h-md-100px {
        height: 100px;
    }

    .h-md-110px {
        height: 110px;
    }

    .h-md-120px {
        height: 120px;
    }

    .h-md-130px {
        height: 130px;
    }

    .h-md-140px {
        height: 140px;
    }

    .h-md-150px {
        height: 150px;
    }

    .h-md-160px {
        height: 160px;
    }

    .h-md-170px {
        height: 170px;
    }

    .h-md-180px {
        height: 180px;
    }

    .h-md-190px {
        height: 190px;
    }

    .h-md-200px {
        height: 200px;
    }

    .h-md-210px {
        height: 210px;
    }

    .h-md-220px {
        height: 220px;
    }

    .h-md-230px {
        height: 230px;
    }

    .h-md-240px {
        height: 240px;
    }

    .h-md-250px {
        height: 250px;
    }

    .h-md-260px {
        height: 260px;
    }

    .h-md-270px {
        height: 270px;
    }

    .h-md-280px {
        height: 280px;
    }

    .h-md-290px {
        height: 290px;
    }

    .h-md-300px {
        height: 300px;
    }

    .h-md-310px {
        height: 310px;
    }

    .h-md-320px {
        height: 320px;
    }

    .h-md-330px {
        height: 330px;
    }

    .h-md-340px {
        height: 340px;
    }

    .h-md-350px {
        height: 350px;
    }

    .h-md-360px {
        height: 360px;
    }

    .h-md-370px {
        height: 370px;
    }

    .h-md-380px {
        height: 380px;
    }

    .h-md-390px {
        height: 390px;
    }

    .h-md-400px {
        height: 400px;
    }

    .h-md-410px {
        height: 410px;
    }

    .h-md-420px {
        height: 420px;
    }

    .h-md-430px {
        height: 430px;
    }

    .h-md-440px {
        height: 440px;
    }

    .h-md-450px {
        height: 450px;
    }

    .h-md-460px {
        height: 410px;
    }

    .h-md-470px {
        height: 470px;
    }

    .h-md-480px {
        height: 480px;
    }

    .h-md-490px {
        height: 490px;
    }

    .h-md-500px {
        height: 500px;
    }
}

/*lg屏幕以上*/
@media only screen and (min-width: 992px) {

    /*行距*/
    .lh-lg-1 {
        line-height: 1;
    }

    .lh-lg-2 {
        line-height: 2;
    }

    .lh-lg-3 {
        line-height: 3;
    }

    .lh-lg-4 {
        line-height: 4;
    }

    /*字体大小*/
    .fs-lg-12 {
        font-size: .857rem;
    }

    .fs-lg-14 {
        font-size: 1rem;
    }

    .fs-lg-16 {
        font-size: 1.142rem;
    }

    .fs-lg-18 {
        font-size: 1.285rem;
    }

    .fs-lg-20 {
        font-size: 1.428rem;
    }

    .fs-lg-22 {
        font-size: 1.571rem;
    }

    .fs-lg-24 {
        font-size: 1.714rem;
    }

    .fs-lg-26 {
        font-size: 1.857rem;
    }

    .fs-lg-28 {
        font-size: 2rem;
    }

    .fs-lg-30 {
        font-size: 2.142rem;
    }

    .fs-lg-32 {
        font-size: 2.286rem;
    }

    .fs-lg-34 {
        font-size: 2.429rem;
    }

    .fs-lg-36 {
        font-size: 2.571rem;
    }

    .fs-lg-38 {
        font-size: 2.714rem;
    }

    .fs-lg-40 {
        font-size: 2.857rem;
    }

    /*高度*/
    .h-lg-5px {
        height: 5px;
    }

    .h-lg-10px {
        height: 10px;
    }

    .h-lg-15px {
        height: 15px;
    }

    .h-lg-20px {
        height: 20px;
    }

    .h-lg-25px {
        height: 25px;
    }

    .h-lg-30px {
        height: 30px;
    }

    .h-lg-35px {
        height: 35px;
    }

    .h-lg-40px {
        height: 40px;
    }

    .h-lg-45px {
        height: 45px;
    }

    .h-lg-50px {
        height: 50px;
    }

    .h-lg-55px {
        height: 55px;
    }

    .h-lg-60px {
        height: 60px;
    }

    .h-lg-65px {
        height: 65px;
    }

    .h-lg-70px {
        height: 70px;
    }

    .h-lg-75px {
        height: 75px;
    }

    .h-lg-80px {
        height: 80px;
    }

    .h-lg-85px {
        height: 85px;
    }

    .h-lg-90px {
        height: 90px;
    }

    .h-lg-95px {
        height: 95px;
    }

    .h-lg-100px {
        height: 100px;
    }

    .h-lg-110px {
        height: 110px;
    }

    .h-lg-120px {
        height: 120px;
    }

    .h-lg-130px {
        height: 130px;
    }

    .h-lg-140px {
        height: 140px;
    }

    .h-lg-150px {
        height: 150px;
    }

    .h-lg-160px {
        height: 160px;
    }

    .h-lg-170px {
        height: 170px;
    }

    .h-lg-180px {
        height: 180px;
    }

    .h-lg-190px {
        height: 190px;
    }

    .h-lg-200px {
        height: 200px;
    }

    .h-lg-210px {
        height: 210px;
    }

    .h-lg-220px {
        height: 220px;
    }

    .h-lg-230px {
        height: 230px;
    }

    .h-lg-240px {
        height: 240px;
    }

    .h-lg-250px {
        height: 250px;
    }

    .h-lg-260px {
        height: 260px;
    }

    .h-lg-270px {
        height: 270px;
    }

    .h-lg-280px {
        height: 280px;
    }

    .h-lg-290px {
        height: 290px;
    }

    .h-lg-300px {
        height: 300px;
    }

    .h-lg-310px {
        height: 310px;
    }

    .h-lg-320px {
        height: 320px;
    }

    .h-lg-330px {
        height: 330px;
    }

    .h-lg-340px {
        height: 340px;
    }

    .h-lg-350px {
        height: 350px;
    }

    .h-lg-360px {
        height: 360px;
    }

    .h-lg-370px {
        height: 370px;
    }

    .h-lg-380px {
        height: 380px;
    }

    .h-lg-390px {
        height: 390px;
    }

    .h-lg-400px {
        height: 400px;
    }

    .h-lg-410px {
        height: 410px;
    }

    .h-lg-420px {
        height: 420px;
    }

    .h-lg-430px {
        height: 430px;
    }

    .h-lg-440px {
        height: 440px;
    }

    .h-lg-450px {
        height: 450px;
    }

    .h-lg-460px {
        height: 410px;
    }

    .h-lg-470px {
        height: 470px;
    }

    .h-lg-480px {
        height: 480px;
    }

    .h-lg-490px {
        height: 490px;
    }

    .h-lg-500px {
        height: 500px;
    }
}

select {
    /* 1. 移除浏览器默认的下拉箭头样式 */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    /* 2. 添加自定义箭头，颜色已修改为 #666666 */
    /* 注意：这里使用了 URL 编码以确保在 CSS 中正确解析 */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;

    /* 3. 调整箭头间距和位置 */
    padding: 10px 40px 10px 15px;
    background-position: right 15px center;
    background-size: 16px;

    /* 其他基础样式 */
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    color: #666;
}

/* 针对旧版 IE 浏览器的处理 */
select::-ms-expand {
    display: none;
}